summaryrefslogtreecommitdiff
path: root/indra/newview/llappviewer.cpp
blob: 62e32c0bdc7842e7b0a48bf324b28453cb992e3d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624
4625
4626
4627
4628
4629
4630
4631
4632
4633
4634
4635
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
4654
4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
4671
4672
4673
4674
4675
4676
4677
4678
4679
4680
4681
4682
4683
4684
4685
4686
4687
4688
4689
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714
4715
4716
4717
4718
4719
4720
4721
4722
4723
4724
4725
4726
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4737
4738
4739
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758
4759
4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780
4781
4782
4783
4784
4785
4786
4787
4788
4789
4790
4791
4792
4793
4794
4795
4796
4797
4798
4799
4800
4801
4802
4803
4804
4805
4806
4807
4808
4809
4810
4811
4812
4813
4814
4815
4816
4817
4818
4819
4820
4821
4822
4823
4824
4825
4826
4827
4828
4829
4830
4831
4832
4833
4834
4835
4836
4837
4838
4839
4840
4841
4842
4843
4844
4845
4846
4847
4848
4849
4850
4851
4852
4853
4854
4855
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
4880
4881
4882
4883
4884
4885
4886
4887
4888
4889
4890
4891
4892
4893
4894
4895
4896
4897
4898
4899
4900
4901
4902
4903
4904
4905
4906
4907
4908
4909
4910
4911
4912
4913
4914
4915
4916
4917
4918
4919
4920
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933
4934
4935
4936
4937
4938
4939
4940
4941
4942
4943
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988
4989
4990
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
5001
5002
5003
5004
5005
5006
5007
5008
5009
5010
5011
5012
5013
5014
5015
5016
5017
5018
5019
5020
5021
5022
5023
5024
5025
5026
5027
5028
5029
5030
5031
5032
5033
5034
5035
5036
5037
5038
5039
5040
5041
5042
5043
5044
5045
5046
5047
5048
5049
5050
5051
5052
5053
5054
5055
5056
5057
5058
5059
5060
5061
5062
5063
5064
5065
5066
5067
5068
5069
5070
5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
5083
5084
5085
5086
5087
5088
5089
5090
5091
5092
5093
5094
5095
5096
5097
5098
5099
5100
5101
5102
5103
5104
5105
5106
5107
5108
5109
5110
5111
5112
5113
5114
5115
5116
5117
5118
5119
5120
5121
5122
5123
5124
5125
5126
5127
5128
5129
5130
5131
5132
5133
5134
5135
5136
5137
5138
5139
5140
5141
5142
5143
5144
5145
5146
5147
5148
5149
5150
5151
5152
5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
5168
5169
5170
5171
5172
5173
5174
5175
5176
5177
5178
5179
5180
5181
5182
5183
5184
5185
5186
5187
5188
5189
5190
5191
5192
5193
5194
5195
5196
5197
5198
5199
5200
5201
5202
5203
5204
5205
5206
5207
5208
5209
5210
5211
5212
5213
5214
5215
5216
5217
5218
5219
5220
5221
5222
5223
5224
5225
5226
5227
5228
5229
5230
5231
5232
5233
5234
5235
5236
5237
5238
5239
5240
5241
5242
5243
5244
5245
5246
5247
5248
5249
5250
5251
5252
5253
5254
5255
5256
5257
5258
5259
5260
5261
5262
5263
5264
5265
5266
5267
5268
5269
5270
5271
5272
5273
5274
5275
5276
5277
5278
5279
5280
5281
5282
5283
5284
5285
5286
5287
5288
5289
5290
5291
5292
5293
5294
5295
5296
5297
5298
5299
5300
5301
5302
5303
5304
5305
5306
5307
5308
5309
5310
5311
5312
5313
5314
5315
5316
5317
5318
5319
5320
5321
5322
5323
5324
5325
5326
5327
5328
5329
5330
5331
5332
5333
5334
5335
5336
5337
5338
5339
5340
5341
5342
5343
5344
5345
5346
5347
5348
5349
5350
5351
5352
5353
5354
5355
5356
5357
5358
5359
5360
5361
5362
5363
5364
5365
5366
5367
5368
5369
5370
5371
5372
5373
5374
5375
5376
5377
5378
5379
5380
5381
5382
5383
5384
5385
5386
5387
5388
5389
5390
5391
5392
5393
5394
5395
5396
5397
5398
5399
5400
5401
5402
5403
5404
5405
5406
5407
5408
5409
5410
5411
5412
5413
5414
5415
5416
5417
5418
5419
5420
5421
5422
5423
5424
5425
5426
5427
5428
5429
5430
5431
5432
5433
5434
5435
5436
5437
5438
5439
5440
5441
5442
5443
5444
5445
5446
5447
5448
5449
5450
5451
5452
5453
5454
5455
5456
5457
5458
5459
5460
5461
5462
5463
5464
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
5476
5477
5478
5479
5480
5481
5482
5483
5484
5485
5486
5487
5488
5489
5490
5491
5492
5493
5494
5495
5496
5497
5498
5499
5500
5501
5502
5503
5504
5505
5506
5507
5508
5509
5510
5511
5512
5513
5514
5515
5516
5517
5518
5519
5520
5521
5522
5523
5524
5525
5526
5527
5528
5529
5530
5531
5532
5533
5534
5535
5536
5537
5538
5539
5540
5541
5542
5543
5544
5545
5546
5547
5548
5549
5550
5551
5552
5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575
5576
5577
5578
5579
5580
5581
5582
5583
5584
5585
5586
5587
5588
5589
5590
5591
5592
5593
5594
5595
5596
5597
5598
5599
5600
5601
5602
5603
5604
5605
5606
5607
5608
5609
5610
5611
5612
5613
5614
5615
5616
5617
5618
5619
5620
5621
5622
5623
5624
5625
5626
5627
5628
5629
5630
5631
5632
5633
5634
5635
5636
5637
5638
5639
5640
5641
5642
5643
5644
5645
5646
5647
5648
5649
5650
5651
5652
5653
5654
5655
5656
5657
5658
5659
5660
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
5671
5672
5673
5674
5675
5676
5677
5678
5679
5680
5681
5682
5683
5684
5685
5686
5687
5688
5689
5690
5691
5692
5693
5694
5695
5696
5697
5698
5699
5700
5701
5702
5703
5704
5705
5706
5707
5708
5709
5710
5711
5712
5713
5714
5715
5716
5717
5718
5719
5720
5721
5722
5723
5724
5725
5726
5727
5728
5729
5730
5731
5732
5733
5734
5735
5736
5737
5738
5739
5740
5741
5742
5743
5744
5745
5746
5747
5748
5749
5750
5751
5752
5753
5754
5755
5756
5757
5758
5759
5760
5761
5762
5763
5764
5765
5766
5767
5768
5769
5770
5771
5772
5773
5774
5775
5776
5777
5778
5779
5780
5781
5782
5783
5784
5785
5786
5787
5788
5789
5790
5791
5792
5793
5794
5795
5796
5797
5798
5799
5800
5801
5802
5803
5804
5805
5806
5807
5808
5809
5810
5811
5812
5813
5814
5815
5816
5817
5818
5819
5820
5821
5822
5823
5824
5825
5826
5827
5828
5829
5830
5831
5832
5833
5834
5835
5836
5837
5838
5839
5840
5841
5842
5843
5844
5845
5846
5847
5848
5849
5850
5851
5852
5853
5854
5855
5856
5857
5858
5859
5860
5861
5862
5863
5864
5865
5866
5867
5868
5869
5870
5871
5872
5873
5874
5875
5876
5877
5878
5879
5880
5881
5882
5883
5884
5885
5886
5887
5888
5889
5890
5891
5892
5893
5894
5895
5896
5897
5898
5899
5900
5901
5902
5903
5904
5905
5906
5907
5908
5909
5910
5911
5912
5913
5914
5915
5916
5917
5918
5919
5920
5921
5922
5923
5924
5925
5926
5927
5928
5929
5930
5931
5932
5933
5934
5935
5936
5937
5938
5939
5940
5941
5942
5943
5944
5945
5946
5947
5948
5949
/** 
 * @file llappviewer.cpp
 * @brief The LLAppViewer class definitions
 *
 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2012, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#include "llviewerprecompiledheaders.h"

#include "llappviewer.h"

// Viewer includes
#include "llversioninfo.h"
#include "llfeaturemanager.h"
#include "lluictrlfactory.h"
#include "lltexteditor.h"
#include "llerrorcontrol.h"
#include "lleventtimer.h"
#include "llviewertexturelist.h"
#include "llgroupmgr.h"
#include "llagent.h"
#include "llagentcamera.h"
#include "llagentlanguage.h"
#include "llagentui.h"
#include "llagentwearables.h"
#include "llfloaterimcontainer.h"
#include "llwindow.h"
#include "llviewerstats.h"
#include "llviewerstatsrecorder.h"
#include "llmarketplacefunctions.h"
#include "llmarketplacenotifications.h"
#include "llmd5.h"
#include "llmeshrepository.h"
#include "llpumpio.h"
#include "llmimetypes.h"
#include "llslurl.h"
#include "llstartup.h"
#include "llfocusmgr.h"
#include "llviewerjoystick.h"
#include "llallocator.h"
#include "llcalc.h"
#include "llconversationlog.h"
#include "lldxhardware.h"
#include "lltexturestats.h"
#include "lltrace.h"
#include "lltracethreadrecorder.h"
#include "llviewerwindow.h"
#include "llviewerdisplay.h"
#include "llviewermedia.h"
#include "llviewerparcelmedia.h"
#include "llviewermediafocus.h"
#include "llviewermessage.h"
#include "llviewerobjectlist.h"
#include "llworldmap.h"
#include "llmutelist.h"
#include "llviewerhelp.h"
#include "lluicolortable.h"
#include "llurldispatcher.h"
#include "llurlhistory.h"
#include "llrender.h"
#include "llteleporthistory.h"
#include "lltoast.h"
#include "llsdutil_math.h"
#include "lllocationhistory.h"
#include "llfasttimerview.h"
#include "llvector4a.h"
#include "llviewermenufile.h"
#include "llvoicechannel.h"
#include "llvoavatarself.h"
#include "llurlmatch.h"
#include "lltextutil.h"
#include "lllogininstance.h"
#include "llprogressview.h"
#include "llvocache.h"
#include "llvopartgroup.h"
#include "llweb.h"
#include "llupdaterservice.h"
#include "llfloatertexturefetchdebugger.h"
#include "llspellcheck.h"
#include "llscenemonitor.h"
#include "llavatarrenderinfoaccountant.h"
#include "lllocalbitmaps.h"
#include "llskinningutil.h"

// Linden library includes
#include "llavatarnamecache.h"
#include "lldiriterator.h"
#include "llexperiencecache.h"
#include "llimagej2c.h"
#include "llmemory.h"
#include "llprimitive.h"
#include "llurlaction.h"
#include "llurlentry.h"
#include "llvfile.h"
#include "llvfsthread.h"
#include "llvolumemgr.h"
#include "llxfermanager.h"
#include "llphysicsextensions.h"

#include "llnotificationmanager.h"
#include "llnotifications.h"
#include "llnotificationsutil.h"

#include "llleap.h"
#include "stringize.h"
#include "llcoros.h"
#include "llexception.h"
#if !LL_LINUX
#include "cef/llceflib.h"
#if LL_WINDOWS
#include "vlc/libvlc_version.h"
#endif // LL_WINDOWS
#endif // LL_LINUX

// Third party library includes
#include <boost/bind.hpp>
#include <boost/foreach.hpp>
#include <boost/algorithm/string.hpp>
#include <boost/regex.hpp>
#include <boost/throw_exception.hpp>

#if LL_WINDOWS
#	include <share.h> // For _SH_DENYWR in processMarkerFiles
#else
#   include <sys/file.h> // For processMarkerFiles
#endif

#include "llapr.h"
#include <boost/lexical_cast.hpp>

#include "llviewerkeyboard.h"
#include "lllfsthread.h"
#include "llworkerthread.h"
#include "lltexturecache.h"
#include "lltexturefetch.h"
#include "llimageworker.h"
#include "llevents.h"

// The files below handle dependencies from cleanup.
#include "llkeyframemotion.h"
#include "llworldmap.h"
#include "llhudmanager.h"
#include "lltoolmgr.h"
#include "llassetstorage.h"
#include "llpolymesh.h"
#include "llproxy.h"
#include "llaudioengine.h"
#include "llstreamingaudio.h"
#include "llviewermenu.h"
#include "llselectmgr.h"
#include "lltrans.h"
#include "lltransutil.h"
#include "lltracker.h"
#include "llviewerparcelmgr.h"
#include "llworldmapview.h"
#include "llpostprocess.h"
#include "llwlparammanager.h"
#include "llwaterparammanager.h"

#include "lldebugview.h"
#include "llconsole.h"
#include "llcontainerview.h"
#include "lltooltip.h"

#include "llsdutil.h"
#include "llsdserialize.h"

#include "llworld.h"
#include "llhudeffecttrail.h"
#include "llvectorperfoptions.h"
#include "llslurl.h"
#include "llwatchdog.h"

// Included so that constants/settings might be initialized
// in save_settings_to_globals()
#include "llbutton.h"
#include "llstatusbar.h"
#include "llsurface.h"
#include "llvosky.h"
#include "llvotree.h"
#include "llvoavatar.h"
#include "llfolderview.h"
#include "llagentpilot.h"
#include "llvovolume.h"
#include "llflexibleobject.h" 
#include "llvosurfacepatch.h"
#include "llviewerfloaterreg.h"
#include "llcommandlineparser.h"
#include "llfloatermemleak.h"
#include "llfloaterreg.h"
#include "llfloateroutfitsnapshot.h"
#include "llfloatersnapshot.h"
#include "llsidepanelinventory.h"

// includes for idle() idleShutdown()
#include "llviewercontrol.h"
#include "lleventnotifier.h"
#include "llcallbacklist.h"
#include "lldeferredsounds.h"
#include "pipeline.h"
#include "llgesturemgr.h"
#include "llsky.h"
#include "llvlmanager.h"
#include "llviewercamera.h"
#include "lldrawpoolbump.h"
#include "llvieweraudio.h"
#include "llimview.h"
#include "llviewerthrottle.h"
#include "llparcel.h"
#include "llavatariconctrl.h"
#include "llgroupiconctrl.h"
#include "llviewerassetstats.h"

// Include for security api initialization
#include "llsecapi.h"
#include "llmachineid.h"
#include "llmainlooprepeater.h"
#include "llcleanup.h"

#include "llcoproceduremanager.h"
#include "llviewereventrecorder.h"

// *FIX: These extern globals should be cleaned up.
// The globals either represent state/config/resource-storage of either 
// this app, or another 'component' of the viewer. App globals should be 
// moved into the app class, where as the other globals should be 
// moved out of here.
// If a global symbol reference seems valid, it will be included
// via header files above.

//----------------------------------------------------------------------------
// llviewernetwork.h
#include "llviewernetwork.h"
// define a self-registering event API object
#include "llappviewerlistener.h"

#if (LL_LINUX || LL_SOLARIS) && LL_GTK
#include "glib.h"
#endif // (LL_LINUX || LL_SOLARIS) && LL_GTK

#if LL_MSVC
// disable boost::lexical_cast warning
#pragma warning (disable:4702)
#endif

static LLAppViewerListener sAppViewerListener(LLAppViewer::instance);

////// Windows-specific includes to the bottom - nasty defines in these pollute the preprocessor
//
//----------------------------------------------------------------------------
// viewer.cpp - these are only used in viewer, should be easily moved.

#if LL_DARWIN
const char * const LL_VERSION_BUNDLE_ID = "com.secondlife.indra.viewer";
extern void init_apple_menu(const char* product);
#endif // LL_DARWIN

extern BOOL gRandomizeFramerate;
extern BOOL gPeriodicSlowFrame;
extern BOOL gDebugGL;

////////////////////////////////////////////////////////////
// All from the last globals push...

F32 gSimLastTime; // Used in LLAppViewer::init and send_stats()
F32 gSimFrames;

BOOL gShowObjectUpdates = FALSE;
BOOL gUseQuickTime = TRUE;

eLastExecEvent gLastExecEvent = LAST_EXEC_NORMAL;
S32 gLastExecDuration = -1; // (<0 indicates unknown) 

#if LL_WINDOWS  
#   define LL_PLATFORM_KEY "win"
#elif LL_DARWIN
#   define LL_PLATFORM_KEY "mac"
#elif LL_LINUX
#   define LL_PLATFORM_KEY "lnx"
#elif LL_SOLARIS
#   define LL_PLATFORM_KEY "sol"
#else
#   error "Unknown Platform"
#endif
const char* gPlatform = LL_PLATFORM_KEY;

LLSD gDebugInfo;

U32	gFrameCount = 0;
U32 gForegroundFrameCount = 0; // number of frames that app window was in foreground
LLPumpIO* gServicePump = NULL;

U64MicrosecondsImplicit gFrameTime = 0;
F32SecondsImplicit gFrameTimeSeconds = 0.f;
F32SecondsImplicit gFrameIntervalSeconds = 0.f;
F32 gFPSClamped = 10.f;						// Pretend we start at target rate.
F32 gFrameDTClamped = 0.f;					// Time between adjacent checks to network for packets
U64MicrosecondsImplicit	gStartTime = 0; // gStartTime is "private", used only to calculate gFrameTimeSeconds
U32 gFrameStalls = 0;
const F64 FRAME_STALL_THRESHOLD = 1.0;

LLTimer gRenderStartTime;
LLFrameTimer gForegroundTime;
LLFrameTimer gLoggedInTime;
LLTimer gLogoutTimer;
static const F32 LOGOUT_REQUEST_TIME = 6.f;  // this will be cut short by the LogoutReply msg.
F32 gLogoutMaxTime = LOGOUT_REQUEST_TIME;


S32 gPendingMetricsUploads = 0;


BOOL				gDisconnected = FALSE;

// used to restore texture state after a mode switch
LLFrameTimer	gRestoreGLTimer;
BOOL			gRestoreGL = FALSE;
BOOL			gUseWireframe = FALSE;

//use for remember deferred mode in wireframe switch
BOOL			gInitialDeferredModeForWireframe = FALSE;

// VFS globals - see llappviewer.h
LLVFS* gStaticVFS = NULL;

LLMemoryInfo gSysMemory;
U64Bytes gMemoryAllocated(0); // updated in display_stats() in llviewerdisplay.cpp

std::string gLastVersionChannel;

LLVector3			gWindVec(3.0, 3.0, 0.0);
LLVector3			gRelativeWindVec(0.0, 0.0, 0.0);

U32		gPacketsIn = 0;

BOOL				gPrintMessagesThisFrame = FALSE;

BOOL gRandomizeFramerate = FALSE;
BOOL gPeriodicSlowFrame = FALSE;

BOOL gCrashOnStartup = FALSE;
BOOL gLLErrorActivated = FALSE;
BOOL gLogoutInProgress = FALSE;

////////////////////////////////////////////////////////////
// Internal globals... that should be removed.
static std::string gArgs;
const int MAX_MARKER_LENGTH = 1024;
const std::string MARKER_FILE_NAME("SecondLife.exec_marker");
const std::string START_MARKER_FILE_NAME("SecondLife.start_marker");
const std::string ERROR_MARKER_FILE_NAME("SecondLife.error_marker");
const std::string LLERROR_MARKER_FILE_NAME("SecondLife.llerror_marker");
const std::string LOGOUT_MARKER_FILE_NAME("SecondLife.logout_marker");
static BOOL gDoDisconnect = FALSE;
static std::string gLaunchFileOnQuit;

// Used on Win32 for other apps to identify our window (eg, win_setup)
const char* const VIEWER_WINDOW_CLASSNAME = "Second Life";

//-- LLDeferredTaskList ------------------------------------------------------

/**
 * A list of deferred tasks.
 *
 * We sometimes need to defer execution of some code until the viewer gets idle,
 * e.g. removing an inventory item from within notifyObservers() may not work out.
 *
 * Tasks added to this list will be executed in the next LLAppViewer::idle() iteration.
 * All tasks are executed only once.
 */
class LLDeferredTaskList: public LLSingleton<LLDeferredTaskList>
{
	LLSINGLETON_EMPTY_CTOR(LLDeferredTaskList);
	LOG_CLASS(LLDeferredTaskList);

	friend class LLAppViewer;
	typedef boost::signals2::signal<void()> signal_t;

	void addTask(const signal_t::slot_type& cb)
	{
		mSignal.connect(cb);
	}

	void run()
	{
		if (!mSignal.empty())
		{
			mSignal();
			mSignal.disconnect_all_slots();
		}
	}

	signal_t mSignal;
};

//----------------------------------------------------------------------------

// List of entries from strings.xml to always replace
static std::set<std::string> default_trans_args;
void init_default_trans_args()
{
	default_trans_args.insert("SECOND_LIFE"); // World
	default_trans_args.insert("APP_NAME");
	default_trans_args.insert("CAPITALIZED_APP_NAME");
	default_trans_args.insert("SECOND_LIFE_GRID");
	default_trans_args.insert("SUPPORT_SITE");
	// This URL shows up in a surprising number of places in various skin
	// files. We really only want to have to maintain a single copy of it.
	default_trans_args.insert("create_account_url");
}

//----------------------------------------------------------------------------
// File scope definitons
const char *VFS_DATA_FILE_BASE = "data.db2.x.";
const char *VFS_INDEX_FILE_BASE = "index.db2.x.";


struct SettingsFile : public LLInitParam::Block<SettingsFile>
{
	Mandatory<std::string>	name;
	Optional<std::string>	file_name;
	Optional<bool>			required,
							persistent;
	Optional<std::string>	file_name_setting;

	SettingsFile()
	:	name("name"),
		file_name("file_name"),
		required("required", false),
		persistent("persistent", true),
		file_name_setting("file_name_setting")
	{}
};

struct SettingsGroup : public LLInitParam::Block<SettingsGroup>
{
	Mandatory<std::string>	name;
	Mandatory<S32>			path_index;
	Multiple<SettingsFile>	files;

	SettingsGroup()
	:	name("name"),
		path_index("path_index"),
		files("file")
	{}
};

struct SettingsFiles : public LLInitParam::Block<SettingsFiles>
{
	Multiple<SettingsGroup>	groups;

	SettingsFiles()
	: groups("group")
	{}
};

static std::string gWindowTitle;

LLAppViewer::LLUpdaterInfo *LLAppViewer::sUpdaterInfo = NULL ;

//----------------------------------------------------------------------------
// Metrics logging control constants
//----------------------------------------------------------------------------
static const F32 METRICS_INTERVAL_DEFAULT = 600.0;
static const F32 METRICS_INTERVAL_QA = 30.0;
static F32 app_metrics_interval = METRICS_INTERVAL_DEFAULT;
static bool app_metrics_qa_mode = false;

void idle_afk_check()
{
	// check idle timers
	F32 current_idle = gAwayTriggerTimer.getElapsedTimeF32();
	F32 afk_timeout  = gSavedSettings.getS32("AFKTimeout");
	if (afk_timeout && (current_idle > afk_timeout) && ! gAgent.getAFK())
	{
		LL_INFOS("IdleAway") << "Idle more than " << afk_timeout << " seconds: automatically changing to Away status" << LL_ENDL;
		gAgent.setAFK();
	}
}

// A callback set in LLAppViewer::init()
static void ui_audio_callback(const LLUUID& uuid)
{
	if (gAudiop)
	{
		SoundData soundData(uuid, gAgent.getID(), 1.0f, LLAudioEngine::AUDIO_TYPE_UI);
		gAudiop->triggerSound(soundData);
	}
}

// A callback set in LLAppViewer::init()
static void deferred_ui_audio_callback(const LLUUID& uuid)
{
	if (gAudiop)
	{
		SoundData soundData(uuid, gAgent.getID(), 1.0f, LLAudioEngine::AUDIO_TYPE_UI);
		LLDeferredSounds::instance().deferSound(soundData);
	}
}

bool	create_text_segment_icon_from_url_match(LLUrlMatch* match,LLTextBase* base)
{
	if(!match || !base || base->getPlainText())
		return false;

	LLUUID match_id = match->getID();

	LLIconCtrl* icon;

	if(gAgent.isInGroup(match_id, TRUE))
	{
		LLGroupIconCtrl::Params icon_params;
		icon_params.group_id = match_id;
		icon_params.rect = LLRect(0, 16, 16, 0);
		icon_params.visible = true;
		icon = LLUICtrlFactory::instance().create<LLGroupIconCtrl>(icon_params);
	}
	else
	{
		LLAvatarIconCtrl::Params icon_params;
		icon_params.avatar_id = match_id;
		icon_params.rect = LLRect(0, 16, 16, 0);
		icon_params.visible = true;
		icon = LLUICtrlFactory::instance().create<LLAvatarIconCtrl>(icon_params);
	}

	LLInlineViewSegment::Params params;
	params.force_newline = false;
	params.view = icon;
	params.left_pad = 4;
	params.right_pad = 4;
	params.top_pad = -2;
	params.bottom_pad = 2;

	base->appendWidget(params," ",false);
	
	return true;
}

void request_initial_instant_messages()
{
	static BOOL requested = FALSE;
	if (!requested
		&& gMessageSystem
		&& LLMuteList::getInstance()->isLoaded()
		&& isAgentAvatarValid())
	{
		// Auto-accepted inventory items may require the avatar object
		// to build a correct name.  Likewise, inventory offers from
		// muted avatars require the mute list to properly mute.
		LLMessageSystem* msg = gMessageSystem;
		msg->newMessageFast(_PREHASH_RetrieveInstantMessages);
		msg->nextBlockFast(_PREHASH_AgentData);
		msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
		msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
		gAgent.sendReliableMessage();
		requested = TRUE;
	}
}

// Use these strictly for things that are constructed at startup,
// or for things that are performance critical.  JC
static void settings_to_globals()
{
	LLBUTTON_H_PAD		= gSavedSettings.getS32("ButtonHPad");
	BTN_HEIGHT_SMALL	= gSavedSettings.getS32("ButtonHeightSmall");
	BTN_HEIGHT			= gSavedSettings.getS32("ButtonHeight");

	MENU_BAR_HEIGHT		= gSavedSettings.getS32("MenuBarHeight");
	MENU_BAR_WIDTH		= gSavedSettings.getS32("MenuBarWidth");

	LLSurface::setTextureSize(gSavedSettings.getU32("RegionTextureSize"));
	
	LLRender::sGLCoreProfile = gSavedSettings.getBOOL("RenderGLCoreProfile");
	LLVertexBuffer::sUseVAO = gSavedSettings.getBOOL("RenderUseVAO");
	LLImageGL::sGlobalUseAnisotropic	= gSavedSettings.getBOOL("RenderAnisotropic");
	LLImageGL::sCompressTextures		= gSavedSettings.getBOOL("RenderCompressTextures");
	LLVOVolume::sLODFactor				= gSavedSettings.getF32("RenderVolumeLODFactor");
	LLVOVolume::sDistanceFactor			= 1.f-LLVOVolume::sLODFactor * 0.1f;
	LLVolumeImplFlexible::sUpdateFactor = gSavedSettings.getF32("RenderFlexTimeFactor");
	LLVOTree::sTreeFactor				= gSavedSettings.getF32("RenderTreeLODFactor");
	LLVOAvatar::sLODFactor				= gSavedSettings.getF32("RenderAvatarLODFactor");
	LLVOAvatar::sPhysicsLODFactor		= gSavedSettings.getF32("RenderAvatarPhysicsLODFactor");
	LLVOAvatar::updateImpostorRendering(gSavedSettings.getU32("RenderAvatarMaxNonImpostors"));
	LLVOAvatar::sVisibleInFirstPerson	= gSavedSettings.getBOOL("FirstPersonAvatarVisible");
	// clamp auto-open time to some minimum usable value
	LLFolderView::sAutoOpenTime			= llmax(0.25f, gSavedSettings.getF32("FolderAutoOpenDelay"));
	LLSelectMgr::sRectSelectInclusive	= gSavedSettings.getBOOL("RectangleSelectInclusive");
	LLSelectMgr::sRenderHiddenSelections = gSavedSettings.getBOOL("RenderHiddenSelections");
	LLSelectMgr::sRenderLightRadius = gSavedSettings.getBOOL("RenderLightRadius");

	gAgentPilot.setNumRuns(gSavedSettings.getS32("StatsNumRuns"));
	gAgentPilot.setQuitAfterRuns(gSavedSettings.getBOOL("StatsQuitAfterRuns"));
	gAgent.setHideGroupTitle(gSavedSettings.getBOOL("RenderHideGroupTitle"));
		
	gDebugWindowProc = gSavedSettings.getBOOL("DebugWindowProc");
	gShowObjectUpdates = gSavedSettings.getBOOL("ShowObjectUpdates");
	LLWorldMapView::sMapScale = gSavedSettings.getF32("MapScale");
}

static void settings_modify()
{
	LLRenderTarget::sUseFBO				= gSavedSettings.getBOOL("RenderDeferred");
	LLPipeline::sRenderBump				= gSavedSettings.getBOOL("RenderObjectBump");
	LLPipeline::sRenderDeferred		= LLPipeline::sRenderBump && gSavedSettings.getBOOL("RenderDeferred");
	LLVOSurfacePatch::sLODFactor		= gSavedSettings.getF32("RenderTerrainLODFactor");
	LLVOSurfacePatch::sLODFactor *= LLVOSurfacePatch::sLODFactor; //square lod factor to get exponential range of [1,4]
	gDebugGL = gSavedSettings.getBOOL("RenderDebugGL") || gDebugSession;
	gDebugPipeline = gSavedSettings.getBOOL("RenderDebugPipeline");
}

class LLFastTimerLogThread : public LLThread
{
public:
	std::string mFile;

	LLFastTimerLogThread(std::string& test_name) : LLThread("fast timer log")
 	{
		std::string file_name = test_name + std::string(".slp");
		mFile = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, file_name);
	}

	void run()
	{
		std::ofstream os(mFile.c_str());
		
		while (!LLAppViewer::instance()->isQuitting())
		{
			LLTrace::BlockTimer::writeLog(os);
			os.flush();
			ms_sleep(32);
		}

		os.close();
	}
};

//virtual
bool LLAppViewer::initSLURLHandler()
{
	// does nothing unless subclassed
	return false;
}

//virtual
bool LLAppViewer::sendURLToOtherInstance(const std::string& url)
{
	// does nothing unless subclassed
	return false;
}

//----------------------------------------------------------------------------
// LLAppViewer definition

// Static members.
// The single viewer app.
LLAppViewer* LLAppViewer::sInstance = NULL;
LLTextureCache* LLAppViewer::sTextureCache = NULL; 
LLImageDecodeThread* LLAppViewer::sImageDecodeThread = NULL; 
LLTextureFetch* LLAppViewer::sTextureFetch = NULL; 

std::string getRuntime()
{
	return llformat("%.4f", (F32)LLTimer::getElapsedSeconds().value());
}

LLAppViewer::LLAppViewer() 
:	mMarkerFile(),
	mLogoutMarkerFile(),
	mReportedCrash(false),
	mNumSessions(0),
	mPurgeCache(false),
	mPurgeOnExit(false),
	mSecondInstance(false),
	mSavedFinalSnapshot(false),
	mSavePerAccountSettings(false),		// don't save settings on logout unless login succeeded.
	mQuitRequested(false),
	mLogoutRequestSent(false),
	mYieldTime(-1),
	mLastAgentControlFlags(0),
	mLastAgentForceUpdate(0),
	mMainloopTimeout(NULL),
	mAgentRegionLastAlive(false),
	mRandomizeFramerate(LLCachedControl<bool>(gSavedSettings,"Randomize Framerate", FALSE)),
	mPeriodicSlowFrame(LLCachedControl<bool>(gSavedSettings,"Periodic Slow Frame", FALSE)),
	mFastTimerLogThread(NULL),
	mUpdater(new LLUpdaterService()),
	mSettingsLocationList(NULL),
	mIsFirstRun(false)
{
	if(NULL != sInstance)
	{
		LL_ERRS() << "Oh no! An instance of LLAppViewer already exists! LLAppViewer is sort of like a singleton." << LL_ENDL;
	}

    mDumpPath ="";

	// Need to do this initialization before we do anything else, since anything
	// that touches files should really go through the lldir API
	gDirUtilp->initAppDirs("SecondLife");
	//
	// IMPORTANT! Do NOT put anything that will write
	// into the log files during normal startup until AFTER
	// we run the "program crashed last time" error handler below.
	//
	sInstance = this;

	gLoggedInTime.stop();

	initLoggingAndGetLastDuration();
	
	processMarkerFiles();
	//
	// OK to write stuff to logs now, we've now crash reported if necessary
	//
	
	LLLoginInstance::instance().setUpdaterService(mUpdater.get());
	LLLoginInstance::instance().setPlatformInfo(gPlatform, getOSInfo().getOSVersionString());
}

LLAppViewer::~LLAppViewer()
{
	delete mSettingsLocationList;
	LLViewerEventRecorder::deleteSingleton();

	LLLoginInstance::instance().setUpdaterService(0);
	
	destroyMainloopTimeout();
    
	// If we got to this destructor somehow, the app didn't hang.
	removeMarkerFiles();
}

class LLUITranslationBridge : public LLTranslationBridge
{
public:
	virtual std::string getString(const std::string &xml_desc)
	{
		return LLTrans::getString(xml_desc);
	}
};

namespace {
// With Xcode 6, _exit() is too magical to use with boost::bind(), so provide
// this little helper function.
void fast_exit(int rc)
{
	_exit(rc);
}


}


bool LLAppViewer::init()
{	
	setupErrorHandling(mSecondInstance);

	//
	// Start of the application
	//

	// initialize LLWearableType translation bridge.
	// Memory will be cleaned up in ::cleanupClass()
	LLWearableType::initClass(new LLUITranslationBridge());

	// initialize SSE options
	LLVector4a::initClass();

	//initialize particle index pool
	LLVOPartGroup::initClass();

	// set skin search path to default, will be overridden later
	// this allows simple skinned file lookups to work
	gDirUtilp->setSkinFolder("default", "en");

//	initLoggingAndGetLastDuration();
	
	//
	// OK to write stuff to logs now, we've now crash reported if necessary
	//
	init_default_trans_args();
	
	if (!initConfiguration())
		return false;

	LL_INFOS("InitInfo") << "Configuration initialized." << LL_ENDL ;

	// initialize skinning util
	LLSkinningUtil::initClass();

	//set the max heap size.
	initMaxHeapSize() ;
	LLCoros::instance().setStackSize(gSavedSettings.getS32("CoroutineStackSize"));

	LLPrivateMemoryPoolManager::initClass((BOOL)gSavedSettings.getBOOL("MemoryPrivatePoolEnabled"), (U32)gSavedSettings.getU32("MemoryPrivatePoolSize")*1024*1024) ;
	// write Google Breakpad minidump files to a per-run dump directory to avoid multiple viewer issues.
	std::string logdir = gDirUtilp->getExpandedFilename(LL_PATH_DUMP, "");
	mDumpPath = logdir;
	setMiniDumpDir(logdir);
	logdir += gDirUtilp->getDirDelimiter();
    setDebugFileNames(logdir);


	// Although initLoggingAndGetLastDuration() is the right place to mess with
	// setFatalFunction(), we can't query gSavedSettings until after
	// initConfiguration().
	S32 rc(gSavedSettings.getS32("QAModeTermCode"));
	if (rc >= 0)
	{
		// QAModeTermCode set, terminate with that rc on LL_ERRS. Use
		// fast_exit() rather than exit() because normal cleanup depends too
		// much on successful startup!
		LLError::setFatalFunction(boost::bind(fast_exit, rc));
	}

    mAlloc.setProfilingEnabled(gSavedSettings.getBOOL("MemProfiling"));

	// Initialize the non-LLCurl libcurl library.  Should be called
	// before consumers (LLTextureFetch).
	mAppCoreHttp.init();
	
	LL_INFOS("InitInfo") << "LLCore::Http initialized." << LL_ENDL ;

    LLMachineID::init();
	
	{
		// Viewer metrics initialization
		//static LLCachedControl<bool> metrics_submode(gSavedSettings,
		//											 "QAModeMetrics",
		//											 false,
		//											 "Enables QA features (logging, faster cycling) for metrics collector");

		if (gSavedSettings.getBOOL("QAModeMetrics"))
		{
			app_metrics_qa_mode = true;
			app_metrics_interval = METRICS_INTERVAL_QA;
		}
		LLViewerAssetStatsFF::init();
	}

	initThreads();
	LL_INFOS("InitInfo") << "Threads initialized." << LL_ENDL ;

	// Initialize settings early so that the defaults for ignorable dialogs are
	// picked up and then correctly re-saved after launching the updater (STORM-1268).
	LLUI::settings_map_t settings_map;
	settings_map["config"] = &gSavedSettings;
	settings_map["ignores"] = &gWarningSettings;
	settings_map["floater"] = &gSavedSettings; // *TODO: New settings file
	settings_map["account"] = &gSavedPerAccountSettings;

	LLUI::initClass(settings_map,
		LLUIImageList::getInstance(),
		ui_audio_callback,
		deferred_ui_audio_callback,
		&LLUI::getScaleFactor());
	LL_INFOS("InitInfo") << "UI initialized." << LL_ENDL ;

	// NOW LLUI::getLanguage() should work. gDirUtilp must know the language
	// for this session ASAP so all the file-loading commands that follow,
	// that use findSkinnedFilenames(), will include the localized files.
	gDirUtilp->setSkinFolder(gDirUtilp->getSkinFolder(), LLUI::getLanguage());

	// Setup LLTrans after LLUI::initClass has been called.
	initStrings();

	// Setup notifications after LLUI::initClass() has been called.
	LLNotifications::instance();
	LL_INFOS("InitInfo") << "Notifications initialized." << LL_ENDL ;

    writeSystemInfo();

	// Initialize updater service (now that we have an io pump)
	initUpdater();
	if(isQuitting())
	{
		// Early out here because updater set the quitting flag.
		return true;
	}

	//////////////////////////////////////////////////////////////////////////////
	//////////////////////////////////////////////////////////////////////////////
	//////////////////////////////////////////////////////////////////////////////
	//////////////////////////////////////////////////////////////////////////////
	// *FIX: The following code isn't grouped into functions yet.

	//
	// Various introspection concerning the libs we're using - particularly
	// the libs involved in getting to a full login screen.
	//
	LL_INFOS("InitInfo") << "J2C Engine is: " << LLImageJ2C::getEngineInfo() << LL_ENDL;
	LL_INFOS("InitInfo") << "libcurl version is: " << LLCore::LLHttp::getCURLVersion() << LL_ENDL;

	/////////////////////////////////////////////////
	// OS-specific login dialogs
	/////////////////////////////////////////////////

	//test_cached_control();

	// track number of times that app has run
	mNumSessions = gSavedSettings.getS32("NumSessions");
	mNumSessions++;
	gSavedSettings.setS32("NumSessions", mNumSessions);

	if (gSavedSettings.getBOOL("VerboseLogs"))
	{
		LLError::setPrintLocation(true);
	}

	// LLKeyboard relies on LLUI to know what some accelerator keys are called.
	LLKeyboard::setStringTranslatorFunc( LLTrans::getKeyboardString );

	LLWeb::initClass();			  // do this after LLUI
	
	// Provide the text fields with callbacks for opening Urls
	LLUrlAction::setOpenURLCallback(boost::bind(&LLWeb::loadURL, _1, LLStringUtil::null, LLStringUtil::null));
	LLUrlAction::setOpenURLInternalCallback(boost::bind(&LLWeb::loadURLInternal, _1, LLStringUtil::null, LLStringUtil::null, false));
	LLUrlAction::setOpenURLExternalCallback(boost::bind(&LLWeb::loadURLExternal, _1, true, LLStringUtil::null));
	LLUrlAction::setExecuteSLURLCallback(&LLURLDispatcher::dispatchFromTextEditor);

	// Let code in llui access the viewer help floater
	LLUI::sHelpImpl = LLViewerHelp::getInstance();

	LL_INFOS("InitInfo") << "UI initialization is done." << LL_ENDL ;

	// Load translations for tooltips
	LLFloater::initClass();

	/////////////////////////////////////////////////
	
	LLToolMgr::getInstance(); // Initialize tool manager if not already instantiated
	
	LLViewerFloaterReg::registerFloaters();
	
	/////////////////////////////////////////////////
	//
	// Load settings files
	//
	//
	LLGroupMgr::parseRoleActions("role_actions.xml");

	LLAgent::parseTeleportMessages("teleport_strings.xml");

	// load MIME type -> media impl mappings
	std::string mime_types_name;
#if LL_DARWIN
	mime_types_name = "mime_types_mac.xml";
#elif LL_LINUX
	mime_types_name = "mime_types_linux.xml";
#else
	mime_types_name = "mime_types.xml";
#endif
	LLMIMETypes::parseMIMETypes( mime_types_name ); 

	// Copy settings to globals. *TODO: Remove or move to appropriage class initializers
	settings_to_globals();
	// Setup settings listeners
	settings_setup_listeners();
	// Modify settings based on system configuration and compile options
	settings_modify();

	// Find partition serial number (Windows) or hardware serial (Mac)
	mSerialNumber = generateSerialNumber();

	// do any necessary set-up for accepting incoming SLURLs from apps
	initSLURLHandler();

	if(false == initHardwareTest())
	{
		// Early out from user choice.
		return false;
	}
	LL_INFOS("InitInfo") << "Hardware test initialization done." << LL_ENDL ;

	// Prepare for out-of-memory situations, during which we will crash on
	// purpose and save a dump.
#if LL_WINDOWS && LL_RELEASE_FOR_DOWNLOAD && LL_USE_SMARTHEAP
	MemSetErrorHandler(first_mem_error_handler);
#endif // LL_WINDOWS && LL_RELEASE_FOR_DOWNLOAD && LL_USE_SMARTHEAP

	// *Note: this is where gViewerStats used to be created.

	//
	// Initialize the VFS, and gracefully handle initialization errors
	//

	if (!initCache())
	{
		std::ostringstream msg;
		msg << LLTrans::getString("MBUnableToAccessFile");
		OSMessageBox(msg.str(),LLStringUtil::null,OSMB_OK);
		return 1;
	}
	LL_INFOS("InitInfo") << "Cache initialization is done." << LL_ENDL ;

	// Initialize the repeater service.
	LLMainLoopRepeater::instance().start();

	//
	// Initialize the window
	//
	gGLActive = TRUE;
	initWindow();
	LL_INFOS("InitInfo") << "Window is initialized." << LL_ENDL ;

	// initWindow also initializes the Feature List, so now we can initialize this global.
	LLCubeMap::sUseCubeMaps = LLFeatureManager::getInstance()->isFeatureAvailable("RenderCubeMap");

	// call all self-registered classes
	LLInitClassList::instance().fireCallbacks();

	LLFolderViewItem::initClass(); // SJB: Needs to happen after initWindow(), not sure why but related to fonts
		
	gGLManager.getGLInfo(gDebugInfo);
	gGLManager.printGLInfoString();

	// Load Default bindings
	std::string key_bindings_file = gDirUtilp->findFile("keys.xml",
														gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, ""),
														gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, ""));


	if (!gViewerKeyboard.loadBindingsXML(key_bindings_file))
	{
		std::string key_bindings_file = gDirUtilp->findFile("keys.ini",
															gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, ""),
															gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, ""));
		if (!gViewerKeyboard.loadBindings(key_bindings_file))
		{
			LL_ERRS("InitInfo") << "Unable to open keys.ini" << LL_ENDL;
		}
	}

	// If we don't have the right GL requirements, exit.
	if (!gGLManager.mHasRequirements)
	{	
		// can't use an alert here since we're exiting and
		// all hell breaks lose.
		OSMessageBox(
			LLNotifications::instance().getGlobalString("UnsupportedGLRequirements"),
			LLStringUtil::null,
			OSMB_OK);
		return 0;
	}

	// Without SSE2 support we will crash almost immediately, warn here.
	if (!gSysCPU.hasSSE2())
	{	
		// can't use an alert here since we're exiting and
		// all hell breaks lose.
		OSMessageBox(
			LLNotifications::instance().getGlobalString("UnsupportedCPUSSE2"),
			LLStringUtil::null,
			OSMB_OK);
		return 0;
	}

	// alert the user if they are using unsupported hardware
	if(!gSavedSettings.getBOOL("AlertedUnsupportedHardware"))
	{
		bool unsupported = false;
		LLSD args;
		std::string minSpecs;
		
		// get cpu data from xml
		std::stringstream minCPUString(LLNotifications::instance().getGlobalString("UnsupportedCPUAmount"));
		S32 minCPU = 0;
		minCPUString >> minCPU;

		// get RAM data from XML
		std::stringstream minRAMString(LLNotifications::instance().getGlobalString("UnsupportedRAMAmount"));
		U64Bytes minRAM;
		minRAMString >> minRAM;

		if(!LLFeatureManager::getInstance()->isGPUSupported() && LLFeatureManager::getInstance()->getGPUClass() != GPU_CLASS_UNKNOWN)
		{
			minSpecs += LLNotifications::instance().getGlobalString("UnsupportedGPU");
			minSpecs += "\n";
			unsupported = true;
		}
		if(gSysCPU.getMHz() < minCPU)
		{
			minSpecs += LLNotifications::instance().getGlobalString("UnsupportedCPU");
			minSpecs += "\n";
			unsupported = true;
		}
		if(gSysMemory.getPhysicalMemoryClamped() < minRAM)
		{
			minSpecs += LLNotifications::instance().getGlobalString("UnsupportedRAM");
			minSpecs += "\n";
			unsupported = true;
		}

		if (LLFeatureManager::getInstance()->getGPUClass() == GPU_CLASS_UNKNOWN)
		{
			LLNotificationsUtil::add("UnknownGPU");
		} 
			
		if(unsupported)
		{
			if(!gSavedSettings.controlExists("WarnUnsupportedHardware") 
				|| gSavedSettings.getBOOL("WarnUnsupportedHardware"))
			{
				args["MINSPECS"] = minSpecs;
				LLNotificationsUtil::add("UnsupportedHardware", args );
			}

		}
	}

#if LL_WINDOWS
	if (gGLManager.mGLVersion < LLFeatureManager::getInstance()->getExpectedGLVersion())
	{
		std::string url;
		if (gGLManager.mIsIntel)
		{
			url = LLTrans::getString("IntelDriverPage");
		}
		else if (gGLManager.mIsNVIDIA)
		{
			url = LLTrans::getString("NvidiaDriverPage");
		}
		else if (gGLManager.mIsATI)
		{
			url = LLTrans::getString("AMDDriverPage");
		}

		if (!url.empty())
		{
			LLNotificationsUtil::add("OldGPUDriver", LLSD().with("URL", url));
		}
	}
#endif


	// save the graphics card
	gDebugInfo["GraphicsCard"] = LLFeatureManager::getInstance()->getGPUString();

	// Save the current version to the prefs file
	gSavedSettings.setString("LastRunVersion",
							 LLVersionInfo::getChannelAndVersion());

	gSimLastTime = gRenderStartTime.getElapsedTimeF32();
	gSimFrames = (F32)gFrameCount;

	LLViewerJoystick::getInstance()->init(false);

	try {
		initializeSecHandler();
	}
	catch (LLProtectedDataException ex)
	{
	  LLNotificationsUtil::add("CorruptedProtectedDataStore");
	}

	gGLActive = FALSE;

	// Iterate over --leap command-line options. But this is a bit tricky: if
	// there's only one, it won't be an array at all.
	LLSD LeapCommand(gSavedSettings.getLLSD("LeapCommand"));
	LL_DEBUGS("InitInfo") << "LeapCommand: " << LeapCommand << LL_ENDL;
	if (LeapCommand.isDefined() && ! LeapCommand.isArray())
	{
		// If LeapCommand is actually a scalar value, make an array of it.
		// Have to do it in two steps because LeapCommand.append(LeapCommand)
		// trashes content! :-P
		LLSD item(LeapCommand);
		LeapCommand.append(item);
	}
	BOOST_FOREACH(const std::string& leap, llsd::inArray(LeapCommand))
	{
		LL_INFOS("InitInfo") << "processing --leap \"" << leap << '"' << LL_ENDL;
		// We don't have any better description of this plugin than the
		// user-specified command line. Passing "" causes LLLeap to derive a
		// description from the command line itself.
		// Suppress LLLeap::Error exception: trust LLLeap's own logging. We
		// don't consider any one --leap command mission-critical, so if one
		// fails, log it, shrug and carry on.
		LLLeap::create("", leap, false); // exception=false
	}

	if (gSavedSettings.getBOOL("QAMode") && gSavedSettings.getS32("QAModeEventHostPort") > 0)
	{
		LL_WARNS("InitInfo") << "QAModeEventHostPort DEPRECATED: "
							 << "lleventhost no longer supported as a dynamic library"
							 << LL_ENDL;
	}

	LLViewerMedia::initClass();
	LL_INFOS("InitInfo") << "Viewer media initialized." << LL_ENDL ;

	LLTextUtil::TextHelpers::iconCallbackCreationFunction = create_text_segment_icon_from_url_match;

	//EXT-7013 - On windows for some locale (Japanese) standard 
	//datetime formatting functions didn't support some parameters such as "weekday".
	//Names for days and months localized in xml are also useful for Polish locale(STORM-107).
	std::string language = gSavedSettings.getString("Language");
	if(language == "ja" || language == "pl")
	{
		LLStringOps::setupWeekDaysNames(LLTrans::getString("dateTimeWeekdaysNames"));
		LLStringOps::setupWeekDaysShortNames(LLTrans::getString("dateTimeWeekdaysShortNames"));
		LLStringOps::setupMonthNames(LLTrans::getString("dateTimeMonthNames"));
		LLStringOps::setupMonthShortNames(LLTrans::getString("dateTimeMonthShortNames"));
		LLStringOps::setupDayFormat(LLTrans::getString("dateTimeDayFormat"));

		LLStringOps::sAM = LLTrans::getString("dateTimeAM");
		LLStringOps::sPM = LLTrans::getString("dateTimePM");
	}

	LLAgentLanguage::init();

    /// Tell the Coprocedure manager how to discover and store the pool sizes
    // what I wanted
    LLCoprocedureManager::getInstance()->setPropertyMethods(
        boost::bind(&LLControlGroup::getU32, boost::ref(gSavedSettings), _1),
        boost::bind(&LLControlGroup::declareU32, boost::ref(gSavedSettings), _1, _2, _3, LLControlVariable::PERSIST_ALWAYS));

	// TODO: consider moving proxy initialization here or LLCopocedureManager after proxy initialization, may be implement
	// some other protection to make sure we don't use network before initializng proxy

	/*----------------------------------------------------------------------*/
	// nat 2016-06-29 moved the following here from the former mainLoop().
	mMainloopTimeout = new LLWatchdogTimeout();

	// Create IO Pump to use for HTTP Requests.
	gServicePump = new LLPumpIO(gAPRPoolp);

	// Note: this is where gLocalSpeakerMgr and gActiveSpeakerMgr used to be instantiated.

	LLVoiceChannel::initClass();
	LLVoiceClient::getInstance()->init(gServicePump);
	LLVoiceChannel::setCurrentVoiceChannelChangedCallback(boost::bind(&LLFloaterIMContainer::onCurrentChannelChanged, _1), true);

	joystick = LLViewerJoystick::getInstance();
	joystick->setNeedsReset(true);
	/*----------------------------------------------------------------------*/

	return true;
}

void LLAppViewer::initMaxHeapSize()
{
	//set the max heap size.
	//here is some info regarding to the max heap size:
	//------------------------------------------------------------------------------------------
	// OS       | setting | SL address bits | max manageable memory space | max heap size
	// Win 32   | default | 32-bit          | 2GB                         | < 1.7GB
	// Win 32   | /3G     | 32-bit          | 3GB                         | < 1.7GB or 2.7GB
	//Linux 32  | default | 32-bit          | 3GB                         | < 2.7GB
	//Linux 32  |HUGEMEM  | 32-bit          | 4GB                         | < 3.7GB
	//64-bit OS |default  | 32-bit          | 4GB                         | < 3.7GB
	//64-bit OS |default  | 64-bit          | N/A (> 4GB)                 | N/A (> 4GB)
	//------------------------------------------------------------------------------------------
	//currently SL is built under 32-bit setting, we set its max heap size no more than 1.6 GB.

	//F32 max_heap_size_gb = llmin(1.6f, (F32)gSavedSettings.getF32("MaxHeapSize")) ;
	F32Gigabytes max_heap_size_gb = (F32Gigabytes)gSavedSettings.getF32("MaxHeapSize") ;
	BOOL enable_mem_failure_prevention = (BOOL)gSavedSettings.getBOOL("MemoryFailurePreventionEnabled") ;

	LLMemory::initMaxHeapSizeGB(max_heap_size_gb, enable_mem_failure_prevention) ;
}

void LLAppViewer::checkMemory()
{
	const static F32 MEMORY_CHECK_INTERVAL = 1.0f ; //second
	//const static F32 MAX_QUIT_WAIT_TIME = 30.0f ; //seconds
	//static F32 force_quit_timer = MAX_QUIT_WAIT_TIME + MEMORY_CHECK_INTERVAL ;

	if(!gGLManager.mDebugGPU)
	{
		return ;
	}

	if(MEMORY_CHECK_INTERVAL > mMemCheckTimer.getElapsedTimeF32())
	{
		return ;
	}
	mMemCheckTimer.reset() ;

		//update the availability of memory
		LLMemory::updateMemoryInfo() ;

	bool is_low = LLMemory::isMemoryPoolLow() ;

	LLPipeline::throttleNewMemoryAllocation(is_low) ;		
	
	if(is_low)
	{
		LLMemory::logMemoryInfo() ;
	}
}

static LLTrace::BlockTimerStatHandle FTM_MESSAGES("System Messages");
static LLTrace::BlockTimerStatHandle FTM_SLEEP("Sleep");
static LLTrace::BlockTimerStatHandle FTM_YIELD("Yield");

static LLTrace::BlockTimerStatHandle FTM_TEXTURE_CACHE("Texture Cache");
static LLTrace::BlockTimerStatHandle FTM_DECODE("Image Decode");
static LLTrace::BlockTimerStatHandle FTM_VFS("VFS Thread");
static LLTrace::BlockTimerStatHandle FTM_LFS("LFS Thread");
static LLTrace::BlockTimerStatHandle FTM_PAUSE_THREADS("Pause Threads");
static LLTrace::BlockTimerStatHandle FTM_IDLE("Idle");
static LLTrace::BlockTimerStatHandle FTM_PUMP("Pump");
static LLTrace::BlockTimerStatHandle FTM_PUMP_SERVICE("Service");
static LLTrace::BlockTimerStatHandle FTM_SERVICE_CALLBACK("Callback");
static LLTrace::BlockTimerStatHandle FTM_AGENT_AUTOPILOT("Autopilot");
static LLTrace::BlockTimerStatHandle FTM_AGENT_UPDATE("Update");

// externally visible timers
LLTrace::BlockTimerStatHandle FTM_FRAME("Frame");

bool LLAppViewer::frame()
{
	LLEventPump& mainloop(LLEventPumps::instance().obtain("mainloop"));
	LLSD newFrame;

	LLTimer frameTimer,idleTimer;
	LLTimer debugTime;

	//LLPrivateMemoryPoolTester::getInstance()->run(false) ;
	//LLPrivateMemoryPoolTester::getInstance()->run(true) ;
	//LLPrivateMemoryPoolTester::destroy() ;

	LL_RECORD_BLOCK_TIME(FTM_FRAME);
	LLTrace::BlockTimer::processTimes();
	LLTrace::get_frame_recording().nextPeriod();
	LLTrace::BlockTimer::logStats();

	LLTrace::get_thread_recorder()->pullFromChildren();

	//clear call stack records
	LL_CLEAR_CALLSTACKS();

	//check memory availability information
	checkMemory() ;

	try
	{
		pingMainloopTimeout("Main:MiscNativeWindowEvents");

		if (gViewerWindow)
		{
			LL_RECORD_BLOCK_TIME(FTM_MESSAGES);
			gViewerWindow->getWindow()->processMiscNativeEvents();
		}

		pingMainloopTimeout("Main:GatherInput");

		if (gViewerWindow)
		{
			LL_RECORD_BLOCK_TIME(FTM_MESSAGES);
			if (!restoreErrorTrap())
			{
				LL_WARNS() << " Someone took over my signal/exception handler (post messagehandling)!" << LL_ENDL;
			}

			gViewerWindow->getWindow()->gatherInput();
		}

#if 1 && !LL_RELEASE_FOR_DOWNLOAD
		// once per second debug info
		if (debugTime.getElapsedTimeF32() > 1.f)
		{
			debugTime.reset();
		}
		
#endif
		//memory leaking simulation
		LLFloaterMemLeak* mem_leak_instance =
			LLFloaterReg::findTypedInstance<LLFloaterMemLeak>("mem_leaking");
		if(mem_leak_instance)
		{
			mem_leak_instance->idle() ;				
		}							

		// canonical per-frame event
		mainloop.post(newFrame);

		if (!LLApp::isExiting())
		{
			pingMainloopTimeout("Main:JoystickKeyboard");

			// Scan keyboard for movement keys.  Command keys and typing
			// are handled by windows callbacks.  Don't do this until we're
			// done initializing.  JC
			if ((gHeadlessClient || gViewerWindow->getWindow()->getVisible())
				&& gViewerWindow->getActive()
				&& !gViewerWindow->getWindow()->getMinimized()
				&& LLStartUp::getStartupState() == STATE_STARTED
				&& (gHeadlessClient || !gViewerWindow->getShowProgress())
				&& !gFocusMgr.focusLocked())
			{
				joystick->scanJoystick();
				gKeyboard->scanKeyboard();
			}

			// Update state based on messages, user input, object idle.
			{
				pauseMainloopTimeout(); // *TODO: Remove. Messages shouldn't be stalling for 20+ seconds!
				
				LL_RECORD_BLOCK_TIME(FTM_IDLE);
				idle();

				resumeMainloopTimeout();
			}

			if (gDoDisconnect && (LLStartUp::getStartupState() == STATE_STARTED))
			{
				pauseMainloopTimeout();
				saveFinalSnapshot();
				disconnectViewer();
				resumeMainloopTimeout();
			}

			// Render scene.
			// *TODO: Should we run display() even during gHeadlessClient?  DK 2011-02-18
			if (!LLApp::isExiting() && !gHeadlessClient)
			{
				pingMainloopTimeout("Main:Display");
				gGLActive = TRUE;
				display();
				pingMainloopTimeout("Main:Snapshot");
				LLFloaterSnapshot::update(); // take snapshots
					LLFloaterOutfitSnapshot::update();
				gGLActive = FALSE;
			}
		}

		pingMainloopTimeout("Main:Sleep");

		pauseMainloopTimeout();

		// Sleep and run background threads
		{
			LL_RECORD_BLOCK_TIME(FTM_SLEEP);
			
			// yield some time to the os based on command line option
			if(mYieldTime >= 0)
			{
				LL_RECORD_BLOCK_TIME(FTM_YIELD);
				ms_sleep(mYieldTime);
			}

			// yield cooperatively when not running as foreground window
			if (   (gViewerWindow && !gViewerWindow->getWindow()->getVisible())
					|| !gFocusMgr.getAppHasFocus())
			{
				// Sleep if we're not rendering, or the window is minimized.
				S32 milliseconds_to_sleep = llclamp(gSavedSettings.getS32("BackgroundYieldTime"), 0, 1000);
				// don't sleep when BackgroundYieldTime set to 0, since this will still yield to other threads
				// of equal priority on Windows
				if (milliseconds_to_sleep > 0)
				{
					ms_sleep(milliseconds_to_sleep);
					// also pause worker threads during this wait period
					LLAppViewer::getTextureCache()->pause();
					LLAppViewer::getImageDecodeThread()->pause();
				}
			}
			
			if (mRandomizeFramerate)
			{
				ms_sleep(rand() % 200);
			}

			if (mPeriodicSlowFrame
				&& (gFrameCount % 10 == 0))
			{
				LL_INFOS() << "Periodic slow frame - sleeping 500 ms" << LL_ENDL;
				ms_sleep(500);
			}

			idleTimer.reset();
			S32 total_work_pending = 0;
			S32 total_io_pending = 0;	
			{
				S32 work_pending = 0;
				S32 io_pending = 0;
				F32 max_time = llmin(gFrameIntervalSeconds.value() *10.f, 1.f);

				work_pending += updateTextureThreads(max_time);

				{
					LL_RECORD_BLOCK_TIME(FTM_VFS);
 					io_pending += LLVFSThread::updateClass(1);
				}
				{
					LL_RECORD_BLOCK_TIME(FTM_LFS);
 					io_pending += LLLFSThread::updateClass(1);
				}

				if (io_pending > 1000)
				{
					ms_sleep(llmin(io_pending/100,100)); // give the vfs some time to catch up
				}

				total_work_pending += work_pending ;
				total_io_pending += io_pending ;

			}
			gMeshRepo.update() ;
			
			if(!total_work_pending) //pause texture fetching threads if nothing to process.
			{
				LLAppViewer::getTextureCache()->pause();
				LLAppViewer::getImageDecodeThread()->pause();
				LLAppViewer::getTextureFetch()->pause(); 
			}
			if(!total_io_pending) //pause file threads if nothing to process.
			{
				LLVFSThread::sLocal->pause(); 
				LLLFSThread::sLocal->pause(); 
			}									

			//texture fetching debugger
			if(LLTextureFetchDebugger::isEnabled())
			{
				LLFloaterTextureFetchDebugger* tex_fetch_debugger_instance =
					LLFloaterReg::findTypedInstance<LLFloaterTextureFetchDebugger>("tex_fetch_debugger");
				if(tex_fetch_debugger_instance)
				{
					tex_fetch_debugger_instance->idle() ;				
				}
			}

			if ((LLStartUp::getStartupState() >= STATE_CLEANUP) &&
				(frameTimer.getElapsedTimeF64() > FRAME_STALL_THRESHOLD))
			{
				gFrameStalls++;
			}
			frameTimer.reset();

			resumeMainloopTimeout();

			pingMainloopTimeout("Main:End");
		}
	}
	catch (const LLContinueError&)
	{
		LOG_UNHANDLED_EXCEPTION("");
	}
	catch(std::bad_alloc)
	{
		LLMemory::logMemoryInfo(TRUE) ;

		//stop memory leaking simulation
		LLFloaterMemLeak* mem_leak_instance =
			LLFloaterReg::findTypedInstance<LLFloaterMemLeak>("mem_leaking");
		if(mem_leak_instance)
		{
			mem_leak_instance->stop() ;
			LL_WARNS() << "Bad memory allocation in LLAppViewer::frame()!" << LL_ENDL ;
		}
		else
		{
			//output possible call stacks to log file.
			LLError::LLCallStacks::print() ;

			LL_ERRS() << "Bad memory allocation in LLAppViewer::frame()!" << LL_ENDL ;
		}
	}
	catch (...)
	{
		CRASH_ON_UNHANDLED_EXCEPTION("");
	}

	if (LLApp::isExiting())
	{
		// Save snapshot for next time, if we made it through initialization
		if (STATE_STARTED == LLStartUp::getStartupState())
		{
			try
			{
				saveFinalSnapshot();
			}
			catch(std::bad_alloc)
			{
				LL_WARNS() << "Bad memory allocation when saveFinalSnapshot() is called!" << LL_ENDL ;

				//stop memory leaking simulation
				LLFloaterMemLeak* mem_leak_instance =
				LLFloaterReg::findTypedInstance<LLFloaterMemLeak>("mem_leaking");
				if(mem_leak_instance)
				{
					mem_leak_instance->stop() ;
				}
			}
			catch (...)
			{
				CRASH_ON_UNHANDLED_EXCEPTION("saveFinalSnapshot()");
			}
		}

		delete gServicePump;

		destroyMainloopTimeout();

		LL_INFOS() << "Exiting main_loop" << LL_ENDL;
	}

	return ! LLApp::isRunning();
}

S32 LLAppViewer::updateTextureThreads(F32 max_time)
{
	S32 work_pending = 0;
	{
		LL_RECORD_BLOCK_TIME(FTM_TEXTURE_CACHE);
 		work_pending += LLAppViewer::getTextureCache()->update(max_time); // unpauses the texture cache thread
	}
	{
		LL_RECORD_BLOCK_TIME(FTM_DECODE);
	 	work_pending += LLAppViewer::getImageDecodeThread()->update(max_time); // unpauses the image thread
	}
	{
		LL_RECORD_BLOCK_TIME(FTM_DECODE);
	 	work_pending += LLAppViewer::getTextureFetch()->update(max_time); // unpauses the texture fetch thread
	}
	return work_pending;
}

void LLAppViewer::flushVFSIO()
{
	while (1)
	{
		S32 pending = LLVFSThread::updateClass(0);
		pending += LLLFSThread::updateClass(0);
		if (!pending)
		{
			break;
		}
		LL_INFOS() << "Waiting for pending IO to finish: " << pending << LL_ENDL;
		ms_sleep(100);
	}
}

bool LLAppViewer::cleanup()
{
	//ditch LLVOAvatarSelf instance
	gAgentAvatarp = NULL;

    LLNotifications::instance().clear();

	// workaround for DEV-35406 crash on shutdown
	LLEventPumps::instance().reset();

	//dump scene loading monitor results
	LLSceneMonitor::instance().dumpToFile(gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "scene_monitor_results.csv"));

	// There used to be an 'if (LLFastTimerView::sAnalyzePerformance)' block
	// here, completely redundant with the one that occurs later in this same
	// function. Presumably the duplication was due to an automated merge gone
	// bad. Not knowing which instance to prefer, we chose to retain the later
	// one because it happens just after mFastTimerLogThread is deleted. This
	// comment is in case we guessed wrong, so we can move it here instead.

	// remove any old breakpad minidump files from the log directory
	if (! isError())
	{
		std::string logdir = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "");
		gDirUtilp->deleteFilesInDir(logdir, "*-*-*-*-*.dmp");
	}

	{
		// Kill off LLLeap objects. We can find them all because LLLeap is derived
		// from LLInstanceTracker. But collect instances first: LLInstanceTracker
		// specifically forbids adding/deleting instances while iterating.
		std::vector<LLLeap*> leaps;
		leaps.reserve(LLLeap::instanceCount());
		for (LLLeap::instance_iter li(LLLeap::beginInstances()), lend(LLLeap::endInstances());
			 li != lend; ++li)
		{
			leaps.push_back(&*li);
		}
		// Okay, now trash them all. We don't have to NULL or erase the entry
		// in 'leaps' because the whole vector is going away momentarily.
		BOOST_FOREACH(LLLeap* leap, leaps)
		{
			delete leap;
		}
	} // destroy 'leaps'

	//flag all elements as needing to be destroyed immediately
	// to ensure shutdown order
	LLMortician::setZealous(TRUE);

    // Give any remaining SLPlugin instances a chance to exit cleanly.
    LLPluginProcessParent::shutdown();

	LLVoiceClient::getInstance()->terminate();
	
	disconnectViewer();

	LL_INFOS() << "Viewer disconnected" << LL_ENDL;

	display_cleanup(); 

	release_start_screen(); // just in case

	LLError::logToFixedBuffer(NULL);

	LL_INFOS() << "Cleaning Up" << LL_ENDL;

	// shut down mesh streamer
	gMeshRepo.shutdown();

	// shut down Havok
	LLPhysicsExtensions::quitSystem();

	// Must clean up texture references before viewer window is destroyed.
	if(LLHUDManager::instanceExists())
	{
		LLHUDManager::getInstance()->updateEffects();
		LLHUDObject::updateAll();
		LLHUDManager::getInstance()->cleanupEffects();
		LLHUDObject::cleanupHUDObjects();
		LL_INFOS() << "HUD Objects cleaned up" << LL_ENDL;
	}

	LLKeyframeDataCache::clear();
	
 	// End TransferManager before deleting systems it depends on (Audio, VFS, AssetStorage)
#if 0 // this seems to get us stuck in an infinite loop...
	gTransferManager.cleanup();
#endif

	SUBSYSTEM_CLEANUP(LLLocalBitmapMgr);

	// Note: this is where gWorldMap used to be deleted.

	// Note: this is where gHUDManager used to be deleted.
	if(LLHUDManager::instanceExists())
	{
		LLHUDManager::getInstance()->shutdownClass();
	}

	delete gAssetStorage;
	gAssetStorage = NULL;

	LLPolyMesh::freeAllMeshes();

	LLStartUp::cleanupNameCache();

	// Note: this is where gLocalSpeakerMgr and gActiveSpeakerMgr used to be deleted.

	LLWorldMap::getInstance()->reset(); // release any images

	LLCalc::cleanUp();

	LL_INFOS() << "Global stuff deleted" << LL_ENDL;

	if (gAudiop)
	{
        // be sure to stop the internet stream cleanly BEFORE destroying the interface to stop it.
        gAudiop->stopInternetStream();
        // shut down the streaming audio sub-subsystem first, in case it relies on not outliving the general audio subsystem.
        LLStreamingAudioInterface *sai = gAudiop->getStreamingAudioImpl();
		delete sai;
		gAudiop->setStreamingAudioImpl(NULL);

        // shut down the audio subsystem
        gAudiop->shutdown();

		delete gAudiop;
		gAudiop = NULL;
	}

	// Note: this is where LLFeatureManager::getInstance()-> used to be deleted.

	// Patch up settings for next time
	// Must do this before we delete the viewer window,
	// such that we can suck rectangle information out of
	// it.
	cleanupSavedSettings();
	LL_INFOS() << "Settings patched up" << LL_ENDL;

	// delete some of the files left around in the cache.
	removeCacheFiles("*.wav");
	removeCacheFiles("*.tmp");
	removeCacheFiles("*.lso");
	removeCacheFiles("*.out");
	removeCacheFiles("*.dsf");
	removeCacheFiles("*.bodypart");
	removeCacheFiles("*.clothing");

	LL_INFOS() << "Cache files removed" << LL_ENDL;

	// Wait for any pending VFS IO
	flushVFSIO();
	LL_INFOS() << "Shutting down Views" << LL_ENDL;

	// Destroy the UI
	if( gViewerWindow)
		gViewerWindow->shutdownViews();

	LL_INFOS() << "Cleaning up Inventory" << LL_ENDL;
	
	// Cleanup Inventory after the UI since it will delete any remaining observers
	// (Deleted observers should have already removed themselves)
	gInventory.cleanupInventory();

	LL_INFOS() << "Cleaning up Selections" << LL_ENDL;
	
	// Clean up selection managers after UI is destroyed, as UI may be observing them.
	// Clean up before GL is shut down because we might be holding on to objects with texture references
	LLSelectMgr::cleanupGlobals();
	
	LL_INFOS() << "Shutting down OpenGL" << LL_ENDL;

	// Shut down OpenGL
	if( gViewerWindow)
	{
		gViewerWindow->shutdownGL();
	
		// Destroy window, and make sure we're not fullscreen
		// This may generate window reshape and activation events.
		// Therefore must do this before destroying the message system.
		delete gViewerWindow;
		gViewerWindow = NULL;
		LL_INFOS() << "ViewerWindow deleted" << LL_ENDL;
	}

	LL_INFOS() << "Cleaning up Keyboard & Joystick" << LL_ENDL;
	
	// viewer UI relies on keyboard so keep it aound until viewer UI isa gone
	delete gKeyboard;
	gKeyboard = NULL;

	// Turn off Space Navigator and similar devices
	LLViewerJoystick::getInstance()->terminate();
	
	LL_INFOS() << "Cleaning up Objects" << LL_ENDL;
	
	LLViewerObject::cleanupVOClasses();

	SUBSYSTEM_CLEANUP(LLAvatarAppearance);
	
	SUBSYSTEM_CLEANUP(LLAvatarAppearance);
	
	SUBSYSTEM_CLEANUP(LLPostProcess);

	LLTracker::cleanupInstance();
	
	// *FIX: This is handled in LLAppViewerWin32::cleanup().
	// I'm keeping the comment to remember its order in cleanup,
	// in case of unforseen dependency.
	//#if LL_WINDOWS
	//	gDXHardware.cleanup();
	//#endif // LL_WINDOWS

	LLVolumeMgr* volume_manager = LLPrimitive::getVolumeManager();
	if (!volume_manager->cleanup())
	{
		LL_WARNS() << "Remaining references in the volume manager!" << LL_ENDL;
	}
	LLPrimitive::cleanupVolumeManager();

	LL_INFOS() << "Additional Cleanup..." << LL_ENDL;	
	
	LLViewerParcelMgr::cleanupGlobals();

	// *Note: this is where gViewerStats used to be deleted.

 	//end_messaging_system();

	SUBSYSTEM_CLEANUP(LLFollowCamMgr);
	//SUBSYSTEM_CLEANUP(LLVolumeMgr);
	LLPrimitive::cleanupVolumeManager();
	SUBSYSTEM_CLEANUP(LLWorldMapView);
	SUBSYSTEM_CLEANUP(LLFolderViewItem);
	SUBSYSTEM_CLEANUP(LLUI);
	
	//
	// Shut down the VFS's AFTER the decode manager cleans up (since it cleans up vfiles).
	// Also after viewerwindow is deleted, since it may have image pointers (which have vfiles)
	// Also after shutting down the messaging system since it has VFS dependencies

	//
	LL_INFOS() << "Cleaning up VFS" << LL_ENDL;
	SUBSYSTEM_CLEANUP(LLVFile);

	LL_INFOS() << "Saving Data" << LL_ENDL;
	
	// Store the time of our current logoff
	gSavedPerAccountSettings.setU32("LastLogoff", time_corrected());

	// Must do this after all panels have been deleted because panels that have persistent rects
	// save their rects on delete.
	gSavedSettings.saveToFile(gSavedSettings.getString("ClientSettingsFile"), TRUE);
	
	LLUIColorTable::instance().saveUserSettings();

	// PerAccountSettingsFile should be empty if no user has been logged on.
	// *FIX:Mani This should get really saved in a "logoff" mode. 
	if (gSavedSettings.getString("PerAccountSettingsFile").empty())
	{
		LL_INFOS() << "Not saving per-account settings; don't know the account name yet." << LL_ENDL;
	}
	// Only save per account settings if the previous login succeeded, otherwise
	// we might end up with a cleared out settings file in case a previous login
	// failed after loading per account settings.
	else if (!mSavePerAccountSettings)
	{
		LL_INFOS() << "Not saving per-account settings; last login was not successful." << LL_ENDL;
	}
	else
	{
		gSavedPerAccountSettings.saveToFile(gSavedSettings.getString("PerAccountSettingsFile"), TRUE);
		LL_INFOS() << "Saved settings" << LL_ENDL;
	}

	std::string warnings_settings_filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, getSettingsFilename("Default", "Warnings"));
	gWarningSettings.saveToFile(warnings_settings_filename, TRUE);

	// Save URL history file
	LLURLHistory::saveFile("url_history.xml");

	// save mute list. gMuteList used to also be deleted here too.
	LLMuteList::getInstance()->cache(gAgent.getID());

	//save call log list
	LLConversationLog::instance().cache();

	if (mPurgeOnExit)
	{
		LL_INFOS() << "Purging all cache files on exit" << LL_ENDL;
		gDirUtilp->deleteFilesInDir(gDirUtilp->getExpandedFilename(LL_PATH_CACHE,""), "*.*");
	}
	
	writeDebugInfo();

	LLLocationHistory::getInstance()->save();

	LLAvatarIconIDCache::getInstance()->save();
	
	LLViewerMedia::saveCookieFile();

	// Stop the plugin read thread if it's running.
	LLPluginProcessParent::setUseReadThread(false);

	LL_INFOS() << "Shutting down Threads" << LL_ENDL;

	// Let threads finish
	LLTimer idleTimer;
	idleTimer.reset();
	const F64 max_idle_time = 5.f; // 5 seconds
	while(1)
	{
		S32 pending = 0;
		pending += LLAppViewer::getTextureCache()->update(1); // unpauses the worker thread
		pending += LLAppViewer::getImageDecodeThread()->update(1); // unpauses the image thread
		pending += LLAppViewer::getTextureFetch()->update(1); // unpauses the texture fetch thread
		pending += LLVFSThread::updateClass(0);
		pending += LLLFSThread::updateClass(0);
		F64 idle_time = idleTimer.getElapsedTimeF64();
		if(!pending)
		{
			break ; //done
		}
		else if(idle_time >= max_idle_time)
		{
			LL_WARNS() << "Quitting with pending background tasks." << LL_ENDL;
			break;
		}
	}

	// Delete workers first
	// shotdown all worker threads before deleting them in case of co-dependencies
	mAppCoreHttp.requestStop();
	sTextureFetch->shutdown();
	sTextureCache->shutdown();	
	sImageDecodeThread->shutdown();
	
	sTextureFetch->shutDownTextureCacheThread() ;
	sTextureFetch->shutDownImageDecodeThread() ;

	LL_INFOS() << "Shutting down message system" << LL_ENDL;
	end_messaging_system();

	// Non-LLCurl libcurl library
	mAppCoreHttp.cleanup();

	SUBSYSTEM_CLEANUP(LLFilePickerThread);

	//MUST happen AFTER SUBSYSTEM_CLEANUP(LLCurl)
	delete sTextureCache;
    sTextureCache = NULL;
	delete sTextureFetch;
    sTextureFetch = NULL;
	delete sImageDecodeThread;
    sImageDecodeThread = NULL;
	delete mFastTimerLogThread;
	mFastTimerLogThread = NULL;

	if (LLFastTimerView::sAnalyzePerformance)
	{
		LL_INFOS() << "Analyzing performance" << LL_ENDL;
		
		std::string baseline_name = LLTrace::BlockTimer::sLogName + "_baseline.slp";
		std::string current_name  = LLTrace::BlockTimer::sLogName + ".slp"; 
		std::string report_name   = LLTrace::BlockTimer::sLogName + "_report.csv";

		LLFastTimerView::doAnalysis(
			gDirUtilp->getExpandedFilename(LL_PATH_LOGS, baseline_name),
			gDirUtilp->getExpandedFilename(LL_PATH_LOGS, current_name),
			gDirUtilp->getExpandedFilename(LL_PATH_LOGS, report_name));
	}	

	SUBSYSTEM_CLEANUP(LLMetricPerformanceTesterBasic) ;

	LL_INFOS() << "Cleaning up Media and Textures" << LL_ENDL;

	//Note:
	//SUBSYSTEM_CLEANUP(LLViewerMedia) has to be put before gTextureList.shutdown()
	//because some new image might be generated during cleaning up media. --bao
	SUBSYSTEM_CLEANUP(LLViewerMedia);
	SUBSYSTEM_CLEANUP(LLViewerParcelMedia);
	gTextureList.shutdown(); // shutdown again in case a callback added something
	LLUIImageList::getInstance()->cleanUp();
	
	// This should eventually be done in LLAppViewer
	SUBSYSTEM_CLEANUP(LLImage);
	SUBSYSTEM_CLEANUP(LLVFSThread);
	SUBSYSTEM_CLEANUP(LLLFSThread);

#ifndef LL_RELEASE_FOR_DOWNLOAD
	LL_INFOS() << "Auditing VFS" << LL_ENDL;
	if(gVFS)
	{
		gVFS->audit();
	}
#endif

	LL_INFOS() << "Misc Cleanup" << LL_ENDL;
	
	// For safety, the LLVFS has to be deleted *after* LLVFSThread. This should be cleaned up.
	// (LLVFS doesn't know about LLVFSThread so can't kill pending requests) -Steve
	delete gStaticVFS;
	gStaticVFS = NULL;
	delete gVFS;
	gVFS = NULL;
	
	gSavedSettings.cleanup();
	LLUIColorTable::instance().clear();

	LLWatchdog::getInstance()->cleanup();

	LLViewerAssetStatsFF::cleanup();
	
	// If we're exiting to launch an URL, do that here so the screen
	// is at the right resolution before we launch IE.
	if (!gLaunchFileOnQuit.empty())
	{
		LL_INFOS() << "Launch file on quit." << LL_ENDL;
#if LL_WINDOWS
		// Indicate an application is starting.
		SetCursor(LoadCursor(NULL, IDC_WAIT));
#endif

		// HACK: Attempt to wait until the screen res. switch is complete.
		ms_sleep(1000);

		LLWeb::loadURLExternal( gLaunchFileOnQuit, false );
		LL_INFOS() << "File launched." << LL_ENDL;
	}
	LL_INFOS() << "Cleaning up LLProxy." << LL_ENDL;
	SUBSYSTEM_CLEANUP(LLProxy);
    LLCore::LLHttp::cleanup();

	SUBSYSTEM_CLEANUP(LLWearableType);

	LLMainLoopRepeater::instance().stop();

	//release all private memory pools.
	LLPrivateMemoryPoolManager::destroyClass() ;

	ll_close_fail_log();

	LLError::LLCallStacks::cleanup();

	removeMarkerFiles();

	// It's not at first obvious where, in this long sequence, generic cleanup
	// calls OUGHT to go. So let's say this: as we migrate cleanup from
	// explicit hand-placed calls into the generic mechanism, eventually
	// all cleanup will get subsumed into the generic calls. So the calls you
	// still see above are calls that MUST happen before the generic cleanup
	// kicks in.
    
	// This calls every remaining LLSingleton's cleanupSingleton() method.
	// This method should perform any cleanup that might take significant
	// realtime, or might throw an exception.
	LLSingletonBase::cleanupAll();

	// This calls every remaining LLSingleton's deleteSingleton() method.
	// No class destructor should perform any cleanup that might take
	// significant realtime, or throw an exception.
	// LLSingleton machinery includes a last-gasp implicit deleteAll() call,
	// so this explicit call shouldn't strictly be necessary. However, by the
	// time the runtime engages that implicit call, it may already have
	// destroyed things like std::cerr -- so the implicit deleteAll() refrains
	// from logging anything. Since both cleanupAll() and deleteAll() call
	// their respective cleanup methods in computed dependency order, it's
	// probably useful to be able to log that order.
	LLSingletonBase::deleteAll();

	LL_INFOS() << "Goodbye!" << LL_ENDL;

	removeDumpDir();

	// return 0;
	return true;
}

// A callback for LL_ERRS() to call during the watchdog error.
void watchdog_llerrs_callback(const std::string &error_string)
{
	gLLErrorActivated = true;

#ifdef LL_WINDOWS
	RaiseException(0,0,0,0);
#else
	raise(SIGQUIT);
#endif
}

// A callback for the watchdog to call.
void watchdog_killer_callback()
{
	LLError::setFatalFunction(watchdog_llerrs_callback);
	LL_ERRS() << "Watchdog killer event" << LL_ENDL;
}

bool LLAppViewer::initThreads()
{
	static const bool enable_threads = true;

	LLImage::initClass(gSavedSettings.getBOOL("TextureNewByteRange"),gSavedSettings.getS32("TextureReverseByteRange"));

	LLVFSThread::initClass(enable_threads && false);
	LLLFSThread::initClass(enable_threads && false);

	// Image decoding
	LLAppViewer::sImageDecodeThread = new LLImageDecodeThread(enable_threads && true);
	LLAppViewer::sTextureCache = new LLTextureCache(enable_threads && true);
	LLAppViewer::sTextureFetch = new LLTextureFetch(LLAppViewer::getTextureCache(),
													sImageDecodeThread,
													enable_threads && true,
													app_metrics_qa_mode);	

	if (LLTrace::BlockTimer::sLog || LLTrace::BlockTimer::sMetricLog)
	{
		LLTrace::BlockTimer::setLogLock(new LLMutex(NULL));
		mFastTimerLogThread = new LLFastTimerLogThread(LLTrace::BlockTimer::sLogName);
		mFastTimerLogThread->start();
	}

	// Mesh streaming and caching
	gMeshRepo.init();

	LLFilePickerThread::initClass();

	// *FIX: no error handling here!
	return true;
}

void errorCallback(const std::string &error_string)
{
#ifndef LL_RELEASE_FOR_DOWNLOAD
	OSMessageBox(error_string, LLTrans::getString("MBFatalError"), OSMB_OK);
#endif

	//Set the ErrorActivated global so we know to create a marker file
	gLLErrorActivated = true;
	
	LLError::crashAndLoop(error_string);
}

void LLAppViewer::initLoggingAndGetLastDuration()
{
	//
	// Set up logging defaults for the viewer
	//
	LLError::initForApplication(
				gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, ""));
	LLError::setFatalFunction(errorCallback);
	//LLError::setTimeFunction(getRuntime);

	// Remove the last ".old" log file.
	std::string old_log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,
							     "SecondLife.old");
	LLFile::remove(old_log_file);

	// Get name of the log file
	std::string log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,
							     "SecondLife.log");
 	/*
	 * Before touching any log files, compute the duration of the last run
	 * by comparing the ctime of the previous start marker file with the ctime
	 * of the last log file.
	 */
	std::string start_marker_file_name = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, START_MARKER_FILE_NAME);
	llstat start_marker_stat;
	llstat log_file_stat;
	std::ostringstream duration_log_stream; // can't log yet, so save any message for when we can below
	int start_stat_result = LLFile::stat(start_marker_file_name, &start_marker_stat);
	int log_stat_result = LLFile::stat(log_file, &log_file_stat);
	if ( 0 == start_stat_result && 0 == log_stat_result )
	{
		int elapsed_seconds = log_file_stat.st_ctime - start_marker_stat.st_ctime;
		// only report a last run time if the last viewer was the same version
		// because this stat will be counted against this version
		if ( markerIsSameVersion(start_marker_file_name) )
		{
			gLastExecDuration = elapsed_seconds;
		}
		else
		{
			duration_log_stream << "start marker from some other version; duration is not reported";
			gLastExecDuration = -1;
		}
	}
	else
	{
		// at least one of the LLFile::stat calls failed, so we can't compute the run time
		duration_log_stream << "duration stat failure; start: "<< start_stat_result << " log: " << log_stat_result;
		gLastExecDuration = -1; // unknown
	}
	std::string duration_log_msg(duration_log_stream.str());
	
	// Create a new start marker file for comparison with log file time for the next run
	LLAPRFile start_marker_file ;
	start_marker_file.open(start_marker_file_name, LL_APR_WB);
	if (start_marker_file.getFileHandle())
	{
		recordMarkerVersion(start_marker_file);
		start_marker_file.close();
	}

	// Rename current log file to ".old"
	LLFile::rename(log_file, old_log_file);

	// Set the log file to SecondLife.log
	LLError::logToFile(log_file);
	if (!duration_log_msg.empty())
	{
		LL_WARNS("MarkerFile") << duration_log_msg << LL_ENDL;
	}
}

bool LLAppViewer::loadSettingsFromDirectory(const std::string& location_key,
					    bool set_defaults)
{	
	if (!mSettingsLocationList)
	{
		LL_ERRS() << "Invalid settings location list" << LL_ENDL;
	}

	BOOST_FOREACH(const SettingsGroup& group, mSettingsLocationList->groups)
	{
		// skip settings groups that aren't the one we requested
		if (group.name() != location_key) continue;

		ELLPath path_index = (ELLPath)group.path_index();
		if(path_index <= LL_PATH_NONE || path_index >= LL_PATH_LAST)
		{
			LL_ERRS() << "Out of range path index in app_settings/settings_files.xml" << LL_ENDL;
			return false;
		}

		BOOST_FOREACH(const SettingsFile& file, group.files)
		{
			LL_INFOS("Settings") << "Attempting to load settings for the group " << file.name()
			    << " - from location " << location_key << LL_ENDL;

			LLControlGroup* settings_group = LLControlGroup::getInstance(file.name);
			if(!settings_group)
			{
				LL_WARNS("Settings") << "No matching settings group for name " << file.name() << LL_ENDL;
				continue;
			}

			std::string full_settings_path;

			if (file.file_name_setting.isProvided() 
				&& gSavedSettings.controlExists(file.file_name_setting))
			{
				// try to find filename stored in file_name_setting control
				full_settings_path = gSavedSettings.getString(file.file_name_setting);
				if (full_settings_path.empty())
				{
					continue;
				}
				else if (!gDirUtilp->fileExists(full_settings_path))
				{
					// search in default path
					full_settings_path = gDirUtilp->getExpandedFilename((ELLPath)path_index, full_settings_path);
				}
			}
			else
			{
				// by default, use specified file name
				full_settings_path = gDirUtilp->getExpandedFilename((ELLPath)path_index, file.file_name());
			}

			if(settings_group->loadFromFile(full_settings_path, set_defaults, file.persistent))
			{	// success!
				LL_INFOS("Settings") << "Loaded settings file " << full_settings_path << LL_ENDL;
			}
			else
			{	// failed to load
				if(file.required)
				{
					LL_ERRS() << "Error: Cannot load required settings file from: " << full_settings_path << LL_ENDL;
					return false;
				}
				else
				{
					// only complain if we actually have a filename at this point
					if (!full_settings_path.empty())
					{
						LL_INFOS("Settings") << "Cannot load " << full_settings_path << " - No settings found." << LL_ENDL;
					}
				}
			}
		}
	}

	return true;
}

std::string LLAppViewer::getSettingsFilename(const std::string& location_key,
											 const std::string& file)
{
	BOOST_FOREACH(const SettingsGroup& group, mSettingsLocationList->groups)
	{
		if (group.name() == location_key)
		{
			BOOST_FOREACH(const SettingsFile& settings_file, group.files)
			{
				if (settings_file.name() == file)
				{
					return settings_file.file_name;
				}
			}
		}
	}

	return std::string();
}

void LLAppViewer::loadColorSettings()
{
	LLUIColorTable::instance().loadFromSettings();
}

namespace
{
    void handleCommandLineError(LLControlGroupCLP& clp)
    {
		LL_WARNS() << "Error parsing command line options. Command Line options ignored."  << LL_ENDL;

		LL_INFOS() << "Command line usage:\n" << clp << LL_ENDL;

		OSMessageBox(STRINGIZE(LLTrans::getString("MBCmdLineError") << clp.getErrorMessage()),
					 LLStringUtil::null,
					 OSMB_OK);
    }
} // anonymous namespace

bool LLAppViewer::initConfiguration()
{	
	//Load settings files list
	std::string settings_file_list = gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "settings_files.xml");
	LLXMLNodePtr root;
	BOOL success  = LLXMLNode::parseFile(settings_file_list, root, NULL);
	if (!success)
	{
        LL_ERRS() << "Cannot load default configuration file " << settings_file_list << LL_ENDL;
	}

	mSettingsLocationList = new SettingsFiles();

	LLXUIParser parser;
	parser.readXUI(root, *mSettingsLocationList, settings_file_list);

	if (!mSettingsLocationList->validateBlock())
	{
        LL_ERRS() << "Invalid settings file list " << settings_file_list << LL_ENDL;
	}
		
	// The settings and command line parsing have a fragile
	// order-of-operation:
	// - load defaults from app_settings
	// - set procedural settings values
	// - read command line settings
	// - selectively apply settings needed to load user settings.
    // - load overrides from user_settings 
	// - apply command line settings (to override the overrides)
	// - load per account settings (happens in llstartup
	
	// - load defaults
	bool set_defaults = true;
	if(!loadSettingsFromDirectory("Default", set_defaults))
	{
		std::ostringstream msg;
		msg << "Unable to load default settings file. The installation may be corrupted.";
		OSMessageBox(msg.str(),LLStringUtil::null,OSMB_OK);
		return false;
	}

	initStrings(); // setup paths for LLTrans based on settings files only
	// - set procedural settings
	// Note: can't use LL_PATH_PER_SL_ACCOUNT for any of these since we haven't logged in yet
	gSavedSettings.setString("ClientSettingsFile", 
        gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, getSettingsFilename("Default", "Global")));

#ifndef	LL_RELEASE_FOR_DOWNLOAD
	// provide developer build only overrides for these control variables that are not
	// persisted to settings.xml
	LLControlVariable* c = gSavedSettings.getControl("ShowConsoleWindow");
	if (c)
	{
		c->setValue(true, false);
	}
	c = gSavedSettings.getControl("AllowMultipleViewers");
	if (c)
	{
		c->setValue(true, false);
	}

	gSavedSettings.setBOOL("QAMode", TRUE );
	gSavedSettings.setS32("WatchdogEnabled", 0);
#endif
	
	// These are warnings that appear on the first experience of that condition.
	// They are already set in the settings_default.xml file, but still need to be added to LLFirstUse
	// for disable/reset ability
//	LLFirstUse::addConfigVariable("FirstBalanceIncrease");
//	LLFirstUse::addConfigVariable("FirstBalanceDecrease");
//	LLFirstUse::addConfigVariable("FirstSit");
//	LLFirstUse::addConfigVariable("FirstMap");
//	LLFirstUse::addConfigVariable("FirstGoTo");
//	LLFirstUse::addConfigVariable("FirstBuild");
//	LLFirstUse::addConfigVariable("FirstLeftClickNoHit");
//	LLFirstUse::addConfigVariable("FirstTeleport");
//	LLFirstUse::addConfigVariable("FirstOverrideKeys");
//	LLFirstUse::addConfigVariable("FirstAttach");
//	LLFirstUse::addConfigVariable("FirstAppearance");
//	LLFirstUse::addConfigVariable("FirstInventory");
//	LLFirstUse::addConfigVariable("FirstSandbox");
//	LLFirstUse::addConfigVariable("FirstFlexible");
//	LLFirstUse::addConfigVariable("FirstDebugMenus");
//	LLFirstUse::addConfigVariable("FirstSculptedPrim");
//	LLFirstUse::addConfigVariable("FirstVoice");
//	LLFirstUse::addConfigVariable("FirstMedia");
		
	// - read command line settings.
	LLControlGroupCLP clp;
	std::string	cmd_line_config	= gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS,
														  "cmd_line.xml");

	clp.configure(cmd_line_config, &gSavedSettings);

	if(!initParseCommandLine(clp))
	{
		handleCommandLineError(clp);
		return false;
	}
	
	// - selectively apply settings 

	// If the user has specified a alternate settings file name.
	// Load	it now before loading the user_settings/settings.xml
	if(clp.hasOption("settings"))
	{
		std::string	user_settings_filename = 
			gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, 
										   clp.getOption("settings")[0]);		
		gSavedSettings.setString("ClientSettingsFile", user_settings_filename);
		LL_INFOS("Settings")	<< "Using command line specified settings filename: " 
			<< user_settings_filename << LL_ENDL;
	}

	// - load overrides from user_settings 
	loadSettingsFromDirectory("User");

	if (gSavedSettings.getBOOL("FirstRunThisInstall"))
	{
		// Set firstrun flag to indicate that some further init actiona should be taken 
		// like determining screen DPI value and so on
		mIsFirstRun = true;

		gSavedSettings.setBOOL("FirstRunThisInstall", FALSE);
	}

	if (clp.hasOption("sessionsettings"))
	{
		std::string session_settings_filename = clp.getOption("sessionsettings")[0];		
		gSavedSettings.setString("SessionSettingsFile", session_settings_filename);
		LL_INFOS("Settings")	<< "Using session settings filename: " 
			<< session_settings_filename << LL_ENDL;
	}
	loadSettingsFromDirectory("Session");

	if (clp.hasOption("usersessionsettings"))
	{
		std::string user_session_settings_filename = clp.getOption("usersessionsettings")[0];		
		gSavedSettings.setString("UserSessionSettingsFile", user_session_settings_filename);
		LL_INFOS("Settings") << "Using user session settings filename: " 
			<< user_session_settings_filename << LL_ENDL;

	}
	loadSettingsFromDirectory("UserSession");

	// - apply command line settings 
	if (! clp.notify())
	{
		handleCommandLineError(clp);
		return false;
	}

	// Register the core crash option as soon as we can
	// if we want gdb post-mortem on cores we need to be up and running
	// ASAP or we might miss init issue etc.
	if(gSavedSettings.getBOOL("DisableCrashLogger"))
	{
		LL_WARNS() << "Crashes will be handled by system, stack trace logs and crash logger are both disabled" << LL_ENDL;
		LLAppViewer::instance()->disableCrashlogger();
	}

	// Handle initialization from settings.
	// Start up the debugging console before handling other options.
	if (gSavedSettings.getBOOL("ShowConsoleWindow"))
	{
		initConsole();
	}

	if(clp.hasOption("help"))
	{
		std::ostringstream msg;
		msg << LLTrans::getString("MBCmdLineUsg") << "\n" << clp;
		LL_INFOS()	<< msg.str() << LL_ENDL;

		OSMessageBox(
			msg.str().c_str(),
			LLStringUtil::null,
			OSMB_OK);

		return false;
	}

    if(clp.hasOption("set"))
    {
        const LLCommandLineParser::token_vector_t& set_values = clp.getOption("set");
        if(0x1 & set_values.size())
        {
            LL_WARNS() << "Invalid '--set' parameter count." << LL_ENDL;
        }
        else
        {
            LLCommandLineParser::token_vector_t::const_iterator itr = set_values.begin();
            for(; itr != set_values.end(); ++itr)
            {
                const std::string& name = *itr;
                const std::string& value = *(++itr);
                std::string name_part;
                std::string group_part;
				LLControlVariable* control = NULL;

				// Name can be further split into ControlGroup.Name, with the default control group being Global
				size_t pos = name.find('.');
				if (pos != std::string::npos)
				{
					group_part = name.substr(0, pos);
					name_part = name.substr(pos+1);
					LL_INFOS() << "Setting " << group_part << "." << name_part << " to " << value << LL_ENDL;
					LLControlGroup* g = LLControlGroup::getInstance(group_part);
					if (g) control = g->getControl(name_part);
				}
				else
				{
					LL_INFOS() << "Setting Global." << name << " to " << value << LL_ENDL;
					control = gSavedSettings.getControl(name);
				}

                if (control)
                {
                    control->setValue(value, false);
                }
                else
                {
					LL_WARNS() << "Failed --set " << name << ": setting name unknown." << LL_ENDL;
                }
            }
        }
    }

    if  (clp.hasOption("logevents")) {
		LLViewerEventRecorder::instance().setEventLoggingOn();
    }

	std::string CmdLineChannel(gSavedSettings.getString("CmdLineChannel"));
	if(! CmdLineChannel.empty())
    {
		LLVersionInfo::resetChannel(CmdLineChannel);
	}

	// If we have specified crash on startup, set the global so we'll trigger the crash at the right time
	gCrashOnStartup = gSavedSettings.getBOOL("CrashOnStartup");

	if (gSavedSettings.getBOOL("LogPerformance"))
	{
		LLTrace::BlockTimer::sLog = true;
		LLTrace::BlockTimer::sLogName = std::string("performance");		
	}
	
	std::string test_name(gSavedSettings.getString("LogMetrics"));
	if (! test_name.empty())
 	{
		LLTrace::BlockTimer::sMetricLog = TRUE;
		// '--logmetrics' is specified with a named test metric argument so the data gathering is done only on that test
		// In the absence of argument, every metric would be gathered (makes for a rather slow run and hard to decipher report...)
		LL_INFOS() << "'--logmetrics' argument : " << test_name << LL_ENDL;
		LLTrace::BlockTimer::sLogName = test_name;
	}

	if (clp.hasOption("graphicslevel"))
	{
		// User explicitly requested --graphicslevel on the command line. We
		// expect this switch has already set RenderQualityPerformance. Check
		// that value for validity.
		U32 graphicslevel = gSavedSettings.getU32("RenderQualityPerformance");
		if (LLFeatureManager::instance().isValidGraphicsLevel(graphicslevel))
        {
			// graphicslevel is valid: save it and engage it later. Capture
			// the requested value separately from the settings variable
			// because, if this is the first run, LLViewerWindow's constructor
			// will call LLFeatureManager::applyRecommendedSettings(), which
			// overwrites this settings variable!
			mForceGraphicsLevel = graphicslevel;
        }
	}

	LLFastTimerView::sAnalyzePerformance = gSavedSettings.getBOOL("AnalyzePerformance");
	gAgentPilot.setReplaySession(gSavedSettings.getBOOL("ReplaySession"));

	if (gSavedSettings.getBOOL("DebugSession"))
	{
		gDebugSession = TRUE;
		gDebugGL = TRUE;

		ll_init_fail_log(gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "test_failures.log"));
	}

	// Handle slurl use. NOTE: Don't let SL-55321 reappear.

    // *FIX: This init code should be made more robust to prevent 
    // the issue SL-55321 from returning. One thought is to allow 
    // only select options to be set from command line when a slurl 
    // is specified. More work on the settings system is needed to 
    // achieve this. For now...

    // *NOTE:Mani The command line parser parses tokens and is 
    // setup to bail after parsing the '--url' option or the 
    // first option specified without a '--option' flag (or
    // any other option that uses the 'last_option' setting - 
    // see LLControlGroupCLP::configure())

    // What can happen is that someone can use IE (or potentially 
    // other browsers) and do the rough equivalent of command 
    // injection and steal passwords. Phoenix. SL-55321

	std::string starting_location;

	std::string cmd_line_login_location(gSavedSettings.getString("CmdLineLoginLocation"));
	if(! cmd_line_login_location.empty())
	{
		starting_location = cmd_line_login_location;
	}
	else
	{
		std::string default_login_location(gSavedSettings.getString("DefaultLoginLocation"));
		if (! default_login_location.empty())
		{
			starting_location = default_login_location;
		}
	}

	LLSLURL start_slurl;
	if (! starting_location.empty())
    {
		start_slurl = starting_location;
		LLStartUp::setStartSLURL(start_slurl);
		if(start_slurl.getType() == LLSLURL::LOCATION) 
		{  
			LLGridManager::getInstance()->setGridChoice(start_slurl.getGrid());
		}
	}

	//RN: if we received a URL, hand it off to the existing instance.
	// don't call anotherInstanceRunning() when doing URL handoff, as
	// it relies on checking a marker file which will not work when running
	// out of different directories

	if (start_slurl.isValid() &&
		(gSavedSettings.getBOOL("SLURLPassToOtherInstance")))
	{
		if (sendURLToOtherInstance(start_slurl.getSLURLString()))
		{  
			// successfully handed off URL to existing instance, exit
			return false;
		}
    }

	const LLControlVariable* skinfolder = gSavedSettings.getControl("SkinCurrent");
	if(skinfolder && LLStringUtil::null != skinfolder->getValue().asString())
	{	
		// Examining "Language" may not suffice -- see LLUI::getLanguage()
		// logic. Unfortunately LLUI::getLanguage() doesn't yet do us much
		// good because we haven't yet called LLUI::initClass().
		gDirUtilp->setSkinFolder(skinfolder->getValue().asString(),
								 gSavedSettings.getString("Language"));
	}

	if (gSavedSettings.getBOOL("SpellCheck"))
	{
		std::list<std::string> dict_list;
		std::string dict_setting = gSavedSettings.getString("SpellCheckDictionary");
		boost::split(dict_list, dict_setting, boost::is_any_of(std::string(",")));
		if (!dict_list.empty())
		{
			LLSpellChecker::setUseSpellCheck(dict_list.front());
			dict_list.pop_front();
			LLSpellChecker::instance().setSecondaryDictionaries(dict_list);
		}
	}

    mYieldTime = gSavedSettings.getS32("YieldTime");


	// Display splash screen.  Must be after above check for previous
	// crash as this dialog is always frontmost.
	std::string splash_msg;
	LLStringUtil::format_map_t args;
	args["[APP_NAME]"] = LLTrans::getString("SECOND_LIFE");
	splash_msg = LLTrans::getString("StartupLoading", args);
	LLSplashScreen::show();
	LLSplashScreen::update(splash_msg);

	//LLVolumeMgr::initClass();
	LLVolumeMgr* volume_manager = new LLVolumeMgr();
	volume_manager->useMutex();	// LLApp and LLMutex magic must be manually enabled
	LLPrimitive::setVolumeManager(volume_manager);

	// Note: this is where we used to initialize gFeatureManagerp.

	gStartTime = totalTime();

	//
	// Set the name of the window
	//
	gWindowTitle = LLTrans::getString("APP_NAME");
#if LL_DEBUG
	gWindowTitle += std::string(" [DEBUG]");
#endif
	if (!gArgs.empty())
	{
	gWindowTitle += std::string(" ") + gArgs;
	}
	LLStringUtil::truncate(gWindowTitle, 255);

	//RN: if we received a URL, hand it off to the existing instance.
	// don't call anotherInstanceRunning() when doing URL handoff, as
	// it relies on checking a marker file which will not work when running
	// out of different directories

	if (LLStartUp::getStartSLURL().isValid() &&
		(gSavedSettings.getBOOL("SLURLPassToOtherInstance")))
	{
		if (sendURLToOtherInstance(LLStartUp::getStartSLURL().getSLURLString()))
		{
			// successfully handed off URL to existing instance, exit
			return false;
		}
	}

	//
	// Check for another instance of the app running
	//
	if (mSecondInstance && !gSavedSettings.getBOOL("AllowMultipleViewers"))
	{
		std::ostringstream msg;
		msg << LLTrans::getString("MBAlreadyRunning");
		OSMessageBox(
			msg.str(),
			LLStringUtil::null,
			OSMB_OK);
		return false;
	}

	if (mSecondInstance)
	{
		// This is the second instance of SL. Turn off voice support,
		// but make sure the setting is *not* persisted.
		LLControlVariable* disable_voice = gSavedSettings.getControl("CmdLineDisableVoice");
		if(disable_voice)
		{
			const BOOL DO_NOT_PERSIST = FALSE;
			disable_voice->setValue(LLSD(TRUE), DO_NOT_PERSIST);
		}
	}

   	// NextLoginLocation is set from the command line option
	std::string nextLoginLocation = gSavedSettings.getString( "NextLoginLocation" );
	if ( !nextLoginLocation.empty() )
	{
		LL_DEBUGS("AppInit")<<"set start from NextLoginLocation: "<<nextLoginLocation<<LL_ENDL;
		LLStartUp::setStartSLURL(LLSLURL(nextLoginLocation));
	}
	else if (   (   clp.hasOption("login") || clp.hasOption("autologin"))
			 && gSavedSettings.getString("CmdLineLoginLocation").empty())
	{
		// If automatic login from command line with --login switch
		// init StartSLURL location.
		std::string start_slurl_setting = gSavedSettings.getString("LoginLocation");
		LL_DEBUGS("AppInit") << "start slurl setting '" << start_slurl_setting << "'" << LL_ENDL;
		LLStartUp::setStartSLURL(LLSLURL(start_slurl_setting));
	}
	else
	{
		// the login location will be set by the login panel (see LLPanelLogin)
	}

	gLastRunVersion = gSavedSettings.getString("LastRunVersion");

	loadColorSettings();

	// Let anyone else who cares know that we've populated our settings
	// variables.
	for (LLControlGroup::key_iter ki(LLControlGroup::beginKeys()), kend(LLControlGroup::endKeys());
		 ki != kend; ++ki)
	{
		// For each named instance of LLControlGroup, send an event saying
		// we've initialized an LLControlGroup instance by that name.
		LLEventPumps::instance().obtain("LLControlGroup").post(LLSDMap("init", *ki));
	}

	return true; // Config was successful.
}

// The following logic is replicated in initConfiguration() (to be able to get
// some initial strings before we've finished initializing enough to know the
// current language) and also in init() (to initialize for real). Somehow it
// keeps growing, necessitating a method all its own.
void LLAppViewer::initStrings()
{
	LLTransUtil::parseStrings("strings.xml", default_trans_args);
	LLTransUtil::parseLanguageStrings("language_settings.xml");

	// parseStrings() sets up the LLTrans substitution table. Add this one item.
	LLTrans::setDefaultArg("[sourceid]", gSavedSettings.getString("sourceid"));

	// Now that we've set "[sourceid]", have to go back through
	// default_trans_args and reinitialize all those other keys because some
	// of them, in turn, reference "[sourceid]".
	BOOST_FOREACH(std::string key, default_trans_args)
	{
		std::string brackets(key), nobrackets(key);
		// Invalid to inspect key[0] if key is empty(). But then, the entire
		// body of this loop is pointless if key is empty().
		if (key.empty())
			continue;

		if (key[0] != '[')
		{
			// key was passed without brackets. That means that 'nobrackets'
			// is correct but 'brackets' is not.
			brackets = STRINGIZE('[' << brackets << ']');
		}
		else
		{
			// key was passed with brackets. That means that 'brackets' is
			// correct but 'nobrackets' is not. Erase the left bracket.
			nobrackets.erase(0, 1);
			std::string::size_type length(nobrackets.length());
			if (length && nobrackets[length - 1] == ']')
			{
				nobrackets.erase(length - 1);
			}
		}
		// Calling LLTrans::getString() is what embeds the other default
		// translation strings into this one.
		LLTrans::setDefaultArg(brackets, LLTrans::getString(nobrackets));
	}
}

namespace {
    // *TODO - decide if there's a better place for these functions.
	// do we need a file llupdaterui.cpp or something? -brad

	void apply_update_callback(LLSD const & notification, LLSD const & response)
	{
		LL_DEBUGS() << "LLUpdate user response: " << response << LL_ENDL;
		if(response["OK_okcancelbuttons"].asBoolean())
		{
			LL_INFOS() << "LLUpdate restarting viewer" << LL_ENDL;
			static const bool install_if_ready = true;
			// *HACK - this lets us launch the installer immediately for now
			LLUpdaterService().startChecking(install_if_ready);
		}
	}
	
	void apply_update_ok_callback(LLSD const & notification, LLSD const & response)
	{
		LL_INFOS() << "LLUpdate restarting viewer" << LL_ENDL;
		static const bool install_if_ready = true;
		// *HACK - this lets us launch the installer immediately for now
		LLUpdaterService().startChecking(install_if_ready);
	}
	
	void on_update_downloaded(LLSD const & data)
	{
		std::string notification_name;
		void (*apply_callback)(LLSD const &, LLSD const &) = NULL;

		/* Build up the notification name...
		 * it can be any of these, which are included here for the sake of grep:
		 *   RequiredUpdateDownloadedDialog
		 *   RequiredUpdateDownloadedVerboseDialog
		 *   OtherChannelRequiredUpdateDownloadedDialog
		 *   OtherChannelRequiredUpdateDownloadedVerbose
		 *   DownloadBackgroundTip
		 *   DownloadBackgroundDialog
		 *   OtherChannelDownloadBackgroundTip
		 *   OtherChannelDownloadBackgroundDialog
		 */
		{
			LL_DEBUGS("UpdaterService") << "data = ";
			std::ostringstream data_dump;
			LLSDSerialize::toNotation(data, data_dump);
			LL_CONT << data_dump.str() << LL_ENDL;
		}
		if(data["channel"].asString() != LLVersionInfo::getChannel())
		{
			notification_name.append("OtherChannel");
		}
		if(data["required"].asBoolean())
		{
			if(LLStartUp::getStartupState() <= STATE_LOGIN_WAIT)
			{
				// The user never saw the progress bar.
				apply_callback = &apply_update_ok_callback;
				notification_name += "RequiredUpdateDownloadedVerboseDialog";
			}
			else if(LLStartUp::getStartupState() < STATE_WORLD_INIT)
			{
				// The user is logging in but blocked.
				apply_callback = &apply_update_ok_callback;
				notification_name += "RequiredUpdateDownloadedDialog";
			}
			else
			{
				// The user is already logged in; treat like an optional update.
				apply_callback = &apply_update_callback;
				notification_name += "DownloadBackgroundTip";
			}
		}
		else
		{
			apply_callback = &apply_update_callback;
			if(LLStartUp::getStartupState() < STATE_STARTED)
			{
				// CHOP-262 we need to use a different notification
				// method prior to login.
				notification_name += "DownloadBackgroundDialog";
			}
			else
			{
				notification_name += "DownloadBackgroundTip";
			}
		}

		LLSD substitutions;
		substitutions["VERSION"] = data["version"];
		std::string new_channel = data["channel"].asString();
		substitutions["NEW_CHANNEL"] = new_channel;
		std::string info_url    = data["info_url"].asString();
		if ( !info_url.empty() )
		{
			substitutions["INFO_URL"] = info_url;
		}
		else
		{
			LL_WARNS("UpdaterService") << "no info url supplied - defaulting to hard coded release notes pattern" << LL_ENDL;

		// truncate version at the rightmost '.' 
		std::string version_short(data["version"]);
		size_t short_length = version_short.rfind('.');
		if (short_length != std::string::npos)
		{
			version_short.resize(short_length);
		}

		LLUIString relnotes_url("[RELEASE_NOTES_BASE_URL][CHANNEL_URL]/[VERSION_SHORT]");
		relnotes_url.setArg("[VERSION_SHORT]", version_short);

		// *TODO thread the update service's response through to this point
		std::string const & channel = LLVersionInfo::getChannel();
		boost::shared_ptr<char> channel_escaped(curl_escape(channel.c_str(), channel.size()), &curl_free);

		relnotes_url.setArg("[CHANNEL_URL]", channel_escaped.get());
		relnotes_url.setArg("[RELEASE_NOTES_BASE_URL]", LLTrans::getString("RELEASE_NOTES_BASE_URL"));
			substitutions["INFO_URL"] = relnotes_url.getString();
		}

		LLNotificationsUtil::add(notification_name, substitutions, LLSD(), apply_callback);
	}

	void install_error_callback(LLSD const & notification, LLSD const & response)
	{
		LLAppViewer::instance()->forceQuit();
	}
	
	bool notify_update(LLSD const & evt)
	{
		std::string notification_name;
		switch (evt["type"].asInteger())
		{
			case LLUpdaterService::DOWNLOAD_COMPLETE:
				on_update_downloaded(evt);
				break;
			case LLUpdaterService::INSTALL_ERROR:
				if(evt["required"].asBoolean()) {
					LLNotificationsUtil::add("FailedRequiredUpdateInstall", LLSD(), LLSD(), &install_error_callback);
				} else {
					LLNotificationsUtil::add("FailedUpdateInstall");
				}
				break;
			default:
				break;
		}

		// let others also handle this event by default
		return false;
	}
	
	bool on_bandwidth_throttle(LLUpdaterService * updater, LLSD const & evt)
	{
		updater->setBandwidthLimit(evt.asInteger() * (1024/8));
		return false; // Let others receive this event.
	};
};

void LLAppViewer::initUpdater()
{
	// Initialize the updater service.
	// Get Channel
	// Get Version

	/*****************************************************************
	 * Previously, the url was derived from the settings 
	 *    UpdaterServiceURL
	 *    UpdaterServicePath
	 * it is now obtained from the grid manager.  The settings above
	 * are no longer used.
	 *****************************************************************/
	std::string channel = LLVersionInfo::getChannel();
	std::string version = LLVersionInfo::getVersion();

	U32 check_period = gSavedSettings.getU32("UpdaterServiceCheckPeriod");
	bool willing_to_test;
	LL_DEBUGS("UpdaterService") << "channel " << channel << LL_ENDL;

	if (LLVersionInfo::TEST_VIEWER == LLVersionInfo::getViewerMaturity()) 
	{
		LL_INFOS("UpdaterService") << "Test build: overriding willing_to_test by sending testno" << LL_ENDL;
		willing_to_test = false;
	}
	else
	{
		willing_to_test = gSavedSettings.getBOOL("UpdaterWillingToTest");
	}
    unsigned char unique_id[MD5HEX_STR_SIZE];
	if ( ! llHashedUniqueID(unique_id) )
	{
		if ( willing_to_test )
		{
			LL_WARNS("UpdaterService") << "Unable to provide a unique id; overriding willing_to_test by sending testno" << LL_ENDL;
		}
		willing_to_test = false;
	}

	mUpdater->setAppExitCallback(boost::bind(&LLAppViewer::forceQuit, this));
	mUpdater->initialize(channel, 
						 version,
						 gPlatform,
						 getOSInfo().getOSVersionString(),
						 unique_id,
						 willing_to_test
						 );
 	mUpdater->setCheckPeriod(check_period);
	mUpdater->setBandwidthLimit((int)gSavedSettings.getF32("UpdaterMaximumBandwidth") * (1024/8));
	gSavedSettings.getControl("UpdaterMaximumBandwidth")->getSignal()->
		connect(boost::bind(&on_bandwidth_throttle, mUpdater.get(), _2));
	if(gSavedSettings.getU32("UpdaterServiceSetting"))
	{
		bool install_if_ready = true;
		mUpdater->startChecking(install_if_ready);
	}

    LLEventPump & updater_pump = LLEventPumps::instance().obtain(LLUpdaterService::pumpName());
    updater_pump.listen("notify_update", &notify_update);
}

//
// This function decides whether the client machine meets the minimum requirements to
// run in a maximized window, per the consensus of davep, boa and nyx on 3/30/2011.
//
bool LLAppViewer::meetsRequirementsForMaximizedStart()
{
	bool maximizedOk = (LLFeatureManager::getInstance()->getGPUClass() >= GPU_CLASS_2);

	maximizedOk &= (gSysMemory.getPhysicalMemoryKB() >= U32Gigabytes(1));

	return maximizedOk;
}

bool LLAppViewer::initWindow()
{
	LL_INFOS("AppInit") << "Initializing window..." << LL_ENDL;

	// store setting in a global for easy access and modification
	gHeadlessClient = gSavedSettings.getBOOL("HeadlessClient");

	// always start windowed
	BOOL ignorePixelDepth = gSavedSettings.getBOOL("IgnorePixelDepth");

	LLViewerWindow::Params window_params;
	window_params
		.title(gWindowTitle)
		.name(VIEWER_WINDOW_CLASSNAME)
		.x(gSavedSettings.getS32("WindowX"))
		.y(gSavedSettings.getS32("WindowY"))
		.width(gSavedSettings.getU32("WindowWidth"))
		.height(gSavedSettings.getU32("WindowHeight"))
		.min_width(gSavedSettings.getU32("MinWindowWidth"))
		.min_height(gSavedSettings.getU32("MinWindowHeight"))
		.fullscreen(gSavedSettings.getBOOL("FullScreen"))
		.ignore_pixel_depth(ignorePixelDepth)
		.first_run(mIsFirstRun);

	gViewerWindow = new LLViewerWindow(window_params);

	LL_INFOS("AppInit") << "gViewerwindow created." << LL_ENDL;

	// Need to load feature table before cheking to start watchdog.
	bool use_watchdog = false;
	int watchdog_enabled_setting = gSavedSettings.getS32("WatchdogEnabled");
	if (watchdog_enabled_setting == -1)
	{
		use_watchdog = !LLFeatureManager::getInstance()->isFeatureAvailable("WatchdogDisabled");
	}
	else
	{
		// The user has explicitly set this setting; always use that value.
		use_watchdog = bool(watchdog_enabled_setting);
	}

	if (use_watchdog)
	{
		LLWatchdog::getInstance()->init(watchdog_killer_callback);
	}
	LL_INFOS("AppInit") << "watchdog setting is done." << LL_ENDL;

	LLNotificationsUI::LLNotificationManager::getInstance();
		
    
#ifdef LL_DARWIN
    //Satisfy both MAINT-3135 (OSX 10.6 and earlier) MAINT-3288 (OSX 10.7 and later)
   if (getOSInfo().mMajorVer == 10 && getOSInfo().mMinorVer < 7)
		if ( getOSInfo().mMinorVer == 6 && getOSInfo().mBuild < 8 )
       		gViewerWindow->getWindow()->setOldResize(true);
#endif
    
	if (gSavedSettings.getBOOL("WindowMaximized"))
	{
		gViewerWindow->getWindow()->maximize();
	}

	//
	// Initialize GL stuff
	//

	if (mForceGraphicsLevel)
	{
		LLFeatureManager::getInstance()->setGraphicsLevel(*mForceGraphicsLevel, false);
		gSavedSettings.setU32("RenderQualityPerformance", *mForceGraphicsLevel);
	}
			
	// Set this flag in case we crash while initializing GL
	gSavedSettings.setBOOL("RenderInitError", TRUE);
	gSavedSettings.saveToFile( gSavedSettings.getString("ClientSettingsFile"), TRUE );

	gPipeline.init();
	LL_INFOS("AppInit") << "gPipeline Initialized" << LL_ENDL;

	stop_glerror();
	gViewerWindow->initGLDefaults();

	gSavedSettings.setBOOL("RenderInitError", FALSE);
	gSavedSettings.saveToFile( gSavedSettings.getString("ClientSettingsFile"), TRUE );

	//If we have a startup crash, it's usually near GL initialization, so simulate that.
	if(gCrashOnStartup)
	{
		LLAppViewer::instance()->forceErrorLLError();
	}

	//
	// Determine if the window should start maximized on initial run based
	// on graphics capability
	//
	if (gSavedSettings.getBOOL("FirstLoginThisInstall") && meetsRequirementsForMaximizedStart())
	{
		LL_INFOS("AppInit") << "This client met the requirements for a maximized initial screen." << LL_ENDL;
		gSavedSettings.setBOOL("WindowMaximized", TRUE);
	}

	if (gSavedSettings.getBOOL("WindowMaximized"))
	{
		gViewerWindow->getWindow()->maximize();
	}

	LLUI::sWindow = gViewerWindow->getWindow();

	// Show watch cursor
	gViewerWindow->setCursor(UI_CURSOR_WAIT);

	// Finish view initialization
	gViewerWindow->initBase();

	// show viewer window
	//gViewerWindow->getWindow()->show();

	LL_INFOS("AppInit") << "Window initialization done." << LL_ENDL;

	return true;
}

void LLAppViewer::writeDebugInfo(bool isStatic)
{
    //Try to do the minimum when writing data during a crash.
    std::string* debug_filename;
    debug_filename = ( isStatic
        ? getStaticDebugFile()
        : getDynamicDebugFile() );
    
	LL_INFOS() << "Opening debug file " << *debug_filename << LL_ENDL;
	llofstream out_file(debug_filename->c_str());
    
    isStatic ?  LLSDSerialize::toPrettyXML(gDebugInfo, out_file)
             :  LLSDSerialize::toPrettyXML(gDebugInfo["Dynamic"], out_file);
    
        
	out_file.close();
}

LLSD LLAppViewer::getViewerInfo() const
{
	// The point of having one method build an LLSD info block and the other
	// construct the user-visible About string is to ensure that the same info
	// is available to a getInfo() caller as to the user opening
	// LLFloaterAbout.
	LLSD info;
	LLSD version;
	version.append(LLVersionInfo::getMajor());
	version.append(LLVersionInfo::getMinor());
	version.append(LLVersionInfo::getPatch());
	version.append(LLVersionInfo::getBuild());
	info["VIEWER_VERSION"] = version;
	info["VIEWER_VERSION_STR"] = LLVersionInfo::getVersion();
	info["CHANNEL"] = LLVersionInfo::getChannel();
    std::string build_config = LLVersionInfo::getBuildConfig();
    if (build_config != "Release")
    {
        info["BUILD_CONFIG"] = build_config;
    }

	// return a URL to the release notes for this viewer, such as:
	// http://wiki.secondlife.com/wiki/Release_Notes/Second Life Beta Viewer/2.1.0.123456
	std::string url = LLTrans::getString("RELEASE_NOTES_BASE_URL");
	if (! LLStringUtil::endsWith(url, "/"))
		url += "/";
	std::string channel = LLVersionInfo::getChannel();
	if (LLStringUtil::endsWith(boost::to_lower_copy(channel), " edu")) // Release Notes url shouldn't include the EDU parameter
	{
		boost::erase_tail(channel, 4);
	}
	url += LLURI::escape(channel) + "/";
	url += LLURI::escape(LLVersionInfo::getVersion());

	info["VIEWER_RELEASE_NOTES_URL"] = url;

	// Position
	LLViewerRegion* region = gAgent.getRegion();
	if (region)
	{
		LLVector3d pos = gAgent.getPositionGlobal();
		info["POSITION"] = ll_sd_from_vector3d(pos);
		info["POSITION_LOCAL"] = ll_sd_from_vector3(gAgent.getPosAgentFromGlobal(pos));
		info["REGION"] = gAgent.getRegion()->getName();
		info["HOSTNAME"] = gAgent.getRegion()->getHost().getHostName();
		info["HOSTIP"] = gAgent.getRegion()->getHost().getString();
		info["SERVER_VERSION"] = gLastVersionChannel;
		LLSLURL slurl;
		LLAgentUI::buildSLURL(slurl);
		info["SLURL"] = slurl.getSLURLString();
	}

	// CPU
	info["CPU"] = gSysCPU.getCPUString();
	info["MEMORY_MB"] = LLSD::Integer(gSysMemory.getPhysicalMemoryKB().valueInUnits<LLUnits::Megabytes>());
	// Moved hack adjustment to Windows memory size into llsys.cpp
	info["OS_VERSION"] = LLAppViewer::instance()->getOSInfo().getOSString();
	info["GRAPHICS_CARD_VENDOR"] = (const char*)(glGetString(GL_VENDOR));
	info["GRAPHICS_CARD"] = (const char*)(glGetString(GL_RENDERER));

#if LL_WINDOWS
	LLSD driver_info = gDXHardware.getDisplayInfo();
	if (driver_info.has("DriverVersion"))
	{
		info["GRAPHICS_DRIVER_VERSION"] = driver_info["DriverVersion"];
	}
#endif

	info["OPENGL_VERSION"] = (const char*)(glGetString(GL_VERSION));

    // Settings

    LLRect window_rect = gViewerWindow->getWindowRectRaw();
    info["WINDOW_WIDTH"] = window_rect.getWidth();
    info["WINDOW_HEIGHT"] = window_rect.getHeight();
    info["FONT_SIZE_ADJUSTMENT"] = gSavedSettings.getF32("FontScreenDPI");
    info["UI_SCALE"] = gSavedSettings.getF32("UIScaleFactor");
    info["DRAW_DISTANCE"] = gSavedSettings.getF32("RenderFarClip");
    info["NET_BANDWITH"] = gSavedSettings.getF32("ThrottleBandwidthKBPS");
    info["LOD_FACTOR"] = gSavedSettings.getF32("RenderVolumeLODFactor");
    info["RENDER_QUALITY"] = (F32)gSavedSettings.getU32("RenderQualityPerformance");
    info["GPU_SHADERS"] = gSavedSettings.getBOOL("RenderDeferred") ? "Enabled" : "Disabled";
    info["TEXTURE_MEMORY"] = gSavedSettings.getS32("TextureMemory");

    LLSD substitution;
    substitution["datetime"] = (S32)(gVFS ? gVFS->creationTime() : 0);
    info["VFS_TIME"] = LLTrans::getString("AboutTime", substitution);

	// Libraries

	info["J2C_VERSION"] = LLImageJ2C::getEngineInfo();
	bool want_fullname = true;
	info["AUDIO_DRIVER_VERSION"] = gAudiop ? LLSD(gAudiop->getDriverName(want_fullname)) : LLSD();
	if(LLVoiceClient::getInstance()->voiceEnabled())
	{
		LLVoiceVersionInfo version = LLVoiceClient::getInstance()->getVersion();
		std::ostringstream version_string;
		version_string << version.serverType << " " << version.serverVersion << std::endl;
		info["VOICE_VERSION"] = version_string.str();
	}
	else 
	{
		info["VOICE_VERSION"] = LLTrans::getString("NotConnected");
	}

#if !LL_LINUX
	info["LLCEFLIB_VERSION"] = LLCEFLIB_VERSION;
#else
	info["LLCEFLIB_VERSION"] = "Undefined";

#endif

#if LL_WINDOWS
	std::ostringstream ver_codec;
	ver_codec << LIBVLC_VERSION_MAJOR;
	ver_codec << ".";
	ver_codec << LIBVLC_VERSION_MINOR;
	ver_codec << ".";
	ver_codec << LIBVLC_VERSION_REVISION;
	info["LIBVLC_VERSION"] = ver_codec.str();
#else
	info["LIBVLC_VERSION"] = "Undefined";
#endif

	S32 packets_in = LLViewerStats::instance().getRecording().getSum(LLStatViewer::PACKETS_IN);
	if (packets_in > 0)
	{
		info["PACKETS_LOST"] = LLViewerStats::instance().getRecording().getSum(LLStatViewer::PACKETS_LOST);
		info["PACKETS_IN"] = packets_in;
		info["PACKETS_PCT"] = 100.f*info["PACKETS_LOST"].asReal() / info["PACKETS_IN"].asReal();
	}

	if (mServerReleaseNotesURL.empty())
	{
		if (gAgent.getRegion())
		{
			info["SERVER_RELEASE_NOTES_URL"] = LLTrans::getString("RetrievingData");
		}
		else
		{
			info["SERVER_RELEASE_NOTES_URL"] = LLTrans::getString("NotConnected");
		}
	}
	else if (LLStringUtil::startsWith(mServerReleaseNotesURL, "http")) // it's an URL
	{
		info["SERVER_RELEASE_NOTES_URL"] = "[" + LLWeb::escapeURL(mServerReleaseNotesURL) + " " + LLTrans::getString("ReleaseNotes") + "]";
	}
	else
	{
		info["SERVER_RELEASE_NOTES_URL"] = mServerReleaseNotesURL;
	}

	return info;
}

std::string LLAppViewer::getViewerInfoString() const
{
	std::ostringstream support;

	LLSD info(getViewerInfo());

	// Render the LLSD from getInfo() as a format_map_t
	LLStringUtil::format_map_t args;

	// allow the "Release Notes" URL label to be localized
	args["ReleaseNotes"] = LLTrans::getString("ReleaseNotes");

	for (LLSD::map_const_iterator ii(info.beginMap()), iend(info.endMap());
		ii != iend; ++ii)
	{
		if (! ii->second.isArray())
		{
			// Scalar value
			if (ii->second.isUndefined())
			{
				args[ii->first] = LLTrans::getString("none_text");
			}
			else
			{
				// don't forget to render value asString()
				args[ii->first] = ii->second.asString();
			}
		}
		else
		{
			// array value: build KEY_0, KEY_1 etc. entries
			for (LLSD::Integer n(0), size(ii->second.size()); n < size; ++n)
			{
				args[STRINGIZE(ii->first << '_' << n)] = ii->second[n].asString();
			}
		}
	}

	// Now build the various pieces
	support << LLTrans::getString("AboutHeader", args);
	if (info.has("BUILD_CONFIG"))
	{
		support << "\n" << LLTrans::getString("BuildConfig", args);
	}
	if (info.has("REGION"))
	{
		support << "\n\n" << LLTrans::getString("AboutPosition", args);
	}
	support << "\n\n" << LLTrans::getString("AboutSystem", args);
	support << "\n";
	if (info.has("GRAPHICS_DRIVER_VERSION"))
	{
		support << "\n" << LLTrans::getString("AboutDriver", args);
	}
	support << "\n" << LLTrans::getString("AboutOGL", args);
	support << "\n\n" << LLTrans::getString("AboutSettings", args);
	support << "\n\n" << LLTrans::getString("AboutLibs", args);
	if (info.has("COMPILER"))
	{
		support << "\n" << LLTrans::getString("AboutCompiler", args);
	}
	if (info.has("PACKETS_IN"))
	{
		support << '\n' << LLTrans::getString("AboutTraffic", args);
	}

	// SLT timestamp
	LLSD substitution;
	substitution["datetime"] = (S32)time(NULL);//(S32)time_corrected();
	support << "\n" << LLTrans::getString("AboutTime", substitution);

	return support.str();
}

void LLAppViewer::cleanupSavedSettings()
{
	gSavedSettings.setBOOL("MouseSun", FALSE);

	gSavedSettings.setBOOL("UseEnergy", TRUE);				// force toggle to turn off, since sends message to simulator

	gSavedSettings.setBOOL("DebugWindowProc", gDebugWindowProc);
		
	gSavedSettings.setBOOL("ShowObjectUpdates", gShowObjectUpdates);
	
	if (gDebugView)
	{
		gSavedSettings.setBOOL("ShowDebugConsole", gDebugView->mDebugConsolep->getVisible());
	}

	// save window position if not maximized
	// as we don't track it in callbacks
	if(NULL != gViewerWindow)
	{
		BOOL maximized = gViewerWindow->getWindow()->getMaximized();
		if (!maximized)
		{
			LLCoordScreen window_pos;
			
			if (gViewerWindow->getWindow()->getPosition(&window_pos))
			{
				gSavedSettings.setS32("WindowX", window_pos.mX);
				gSavedSettings.setS32("WindowY", window_pos.mY);
			}
		}
	}

	gSavedSettings.setF32("MapScale", LLWorldMapView::sMapScale );

	// Some things are cached in LLAgent.
	if (gAgent.isInitialized())
	{
		gSavedSettings.setF32("RenderFarClip", gAgentCamera.mDrawDistance);
	}
}

void LLAppViewer::removeCacheFiles(const std::string& file_mask)
{
	gDirUtilp->deleteFilesInDir(gDirUtilp->getExpandedFilename(LL_PATH_CACHE, ""), file_mask);
}

void LLAppViewer::writeSystemInfo()
{
    
    if (! gDebugInfo.has("Dynamic") )
        gDebugInfo["Dynamic"] = LLSD::emptyMap();
    
#if LL_WINDOWS
	gDebugInfo["SLLog"] = gDirUtilp->getExpandedFilename(LL_PATH_DUMP,"SecondLife.log");
#else
    //Not ideal but sufficient for good reporting.
    gDebugInfo["SLLog"] = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,"SecondLife.old");  //LLError::logFileName();
#endif

	gDebugInfo["ClientInfo"]["Name"] = LLVersionInfo::getChannel();
	gDebugInfo["ClientInfo"]["MajorVersion"] = LLVersionInfo::getMajor();
	gDebugInfo["ClientInfo"]["MinorVersion"] = LLVersionInfo::getMinor();
	gDebugInfo["ClientInfo"]["PatchVersion"] = LLVersionInfo::getPatch();
	gDebugInfo["ClientInfo"]["BuildVersion"] = LLVersionInfo::getBuild();

	gDebugInfo["CAFilename"] = gDirUtilp->getCAFile();

	gDebugInfo["CPUInfo"]["CPUString"] = gSysCPU.getCPUString();
	gDebugInfo["CPUInfo"]["CPUFamily"] = gSysCPU.getFamily();
	gDebugInfo["CPUInfo"]["CPUMhz"] = (S32)gSysCPU.getMHz();
	gDebugInfo["CPUInfo"]["CPUAltivec"] = gSysCPU.hasAltivec();
	gDebugInfo["CPUInfo"]["CPUSSE"] = gSysCPU.hasSSE();
	gDebugInfo["CPUInfo"]["CPUSSE2"] = gSysCPU.hasSSE2();
	
	gDebugInfo["RAMInfo"]["Physical"] = (LLSD::Integer)(gSysMemory.getPhysicalMemoryKB().value());
	gDebugInfo["RAMInfo"]["Allocated"] = (LLSD::Integer)(gMemoryAllocated.valueInUnits<LLUnits::Kilobytes>());
	gDebugInfo["OSInfo"] = getOSInfo().getOSStringSimple();

	// The user is not logged on yet, but record the current grid choice login url
	// which may have been the intended grid. 
	gDebugInfo["GridName"] = LLGridManager::getInstance()->getGridId();

	// *FIX:Mani - move this down in llappviewerwin32
#ifdef LL_WINDOWS
	DWORD thread_id = GetCurrentThreadId();
	gDebugInfo["MainloopThreadID"] = (S32)thread_id;
#endif

	// "CrashNotHandled" is set here, while things are running well,
	// in case of a freeze. If there is a freeze, the crash logger will be launched
	// and can read this value from the debug_info.log.
	// If the crash is handled by LLAppViewer::handleViewerCrash, ie not a freeze,
	// then the value of "CrashNotHandled" will be set to true.
	gDebugInfo["CrashNotHandled"] = (LLSD::Boolean)true;

	// Insert crash host url (url to post crash log to) if configured. This insures
	// that the crash report will go to the proper location in the case of a 
	// prior freeze.
	std::string crashHostUrl = gSavedSettings.get<std::string>("CrashHostUrl");
	if(crashHostUrl != "")
	{
		gDebugInfo["CrashHostUrl"] = crashHostUrl;
	}
	
	// Dump some debugging info
	LL_INFOS("SystemInfo") << "Application: " << LLTrans::getString("APP_NAME") << LL_ENDL;
	LL_INFOS("SystemInfo") << "Version: " << LLVersionInfo::getChannelAndVersion() << LL_ENDL;

	// Dump the local time and time zone
	time_t now;
	time(&now);
	char tbuffer[256];		/* Flawfinder: ignore */
	strftime(tbuffer, 256, "%Y-%m-%dT%H:%M:%S %Z", localtime(&now));
	LL_INFOS("SystemInfo") << "Local time: " << tbuffer << LL_ENDL;

	// query some system information
	LL_INFOS("SystemInfo") << "CPU info:\n" << gSysCPU << LL_ENDL;
	LL_INFOS("SystemInfo") << "Memory info:\n" << gSysMemory << LL_ENDL;
	LL_INFOS("SystemInfo") << "OS: " << getOSInfo().getOSStringSimple() << LL_ENDL;
	LL_INFOS("SystemInfo") << "OS info: " << getOSInfo() << LL_ENDL;

    gDebugInfo["SettingsFilename"] = gSavedSettings.getString("ClientSettingsFile");
	gDebugInfo["ViewerExePath"] = gDirUtilp->getExecutablePathAndName();
	gDebugInfo["CurrentPath"] = gDirUtilp->getCurPath();
	gDebugInfo["FirstLogin"] = (LLSD::Boolean) gAgent.isFirstLogin();
	gDebugInfo["FirstRunThisInstall"] = gSavedSettings.getBOOL("FirstRunThisInstall");
    gDebugInfo["StartupState"] = LLStartUp::getStartupStateString();
    
	writeDebugInfo(); // Save out debug_info.log early, in case of crash.
}

#ifdef LL_WINDOWS
//For whatever reason, in Windows when using OOP server for breakpad, the callback to get the 
//name of the dump file is not getting triggered by the breakpad library.   Unfortunately they 
//also didn't see fit to provide a simple query request across the pipe to get this name either.
//Since we are putting our output in a runtime generated directory and we know the header data in
//the dump format, we can however use the following hack to identify our file. 
// TODO make this a member function.
void getFileList()
{
	std::stringstream filenames;

	typedef std::vector<std::string> vec;
	std::string pathname = gDirUtilp->getExpandedFilename(LL_PATH_DUMP,"");
	vec file_vec = gDirUtilp->getFilesInDir(pathname);
	for(vec::const_iterator iter=file_vec.begin(); iter!=file_vec.end(); ++iter)
	{
		filenames << *iter << " ";
		if ( ( iter->length() > 30 ) && (iter->rfind(".dmp") == (iter->length()-4) ) )
		{
			std::string fullname = pathname + *iter;
			std::ifstream fdat( fullname.c_str(), std::ifstream::binary);
			if (fdat)
			{
				char buf[5];
				fdat.read(buf,4);
				fdat.close();
				if (!strncmp(buf,"MDMP",4))
				{
					gDebugInfo["Dynamic"]["MinidumpPath"] = fullname;
					break;
				}
			}
		}
	}
	filenames << std::endl;
	gDebugInfo["Dynamic"]["DumpDirContents"] = filenames.str();
}
#endif

void LLAppViewer::handleViewerCrash()
{
	LL_INFOS("CRASHREPORT") << "Handle viewer crash entry." << LL_ENDL;

	LL_INFOS("CRASHREPORT") << "Last render pool type: " << LLPipeline::sCurRenderPoolType << LL_ENDL ;

	LLMemory::logMemoryInfo(true) ;

	//print out recorded call stacks if there are any.
	LLError::LLCallStacks::print();

	LLAppViewer* pApp = LLAppViewer::instance();
	if (pApp->beingDebugged())
	{
		// This will drop us into the debugger.
		abort();
	}

	if (LLApp::isCrashloggerDisabled())
	{
		abort();
	}

	// Returns whether a dialog was shown.
	// Only do the logic in here once
	if (pApp->mReportedCrash)
	{
		return;
	}
	pApp->mReportedCrash = TRUE;
	
	// Insert crash host url (url to post crash log to) if configured.
	std::string crashHostUrl = gSavedSettings.get<std::string>("CrashHostUrl");
	if(crashHostUrl != "")
	{
		gDebugInfo["Dynamic"]["CrashHostUrl"] = crashHostUrl;
	}
	
	LLParcel* parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
	if ( parcel && parcel->getMusicURL()[0])
	{
		gDebugInfo["Dynamic"]["ParcelMusicURL"] = parcel->getMusicURL();
	}	
	if ( parcel && parcel->getMediaURL()[0])
	{
		gDebugInfo["Dynamic"]["ParcelMediaURL"] = parcel->getMediaURL();
	}
	
	
	gDebugInfo["Dynamic"]["SessionLength"] = F32(LLFrameTimer::getElapsedSeconds());
	gDebugInfo["Dynamic"]["RAMInfo"]["Allocated"] = (LLSD::Integer) LLMemory::getCurrentRSS() >> 10;
	
	if(gLogoutInProgress)
	{
		gDebugInfo["Dynamic"]["LastExecEvent"] = LAST_EXEC_LOGOUT_CRASH;
	}
	else
	{
		gDebugInfo["Dynamic"]["LastExecEvent"] = gLLErrorActivated ? LAST_EXEC_LLERROR_CRASH : LAST_EXEC_OTHER_CRASH;
	}

	if(gAgent.getRegion())
	{
		gDebugInfo["Dynamic"]["CurrentSimHost"] = gAgent.getRegionHost().getHostName();
		gDebugInfo["Dynamic"]["CurrentRegion"] = gAgent.getRegion()->getName();
		
		const LLVector3& loc = gAgent.getPositionAgent();
		gDebugInfo["Dynamic"]["CurrentLocationX"] = loc.mV[0];
		gDebugInfo["Dynamic"]["CurrentLocationY"] = loc.mV[1];
		gDebugInfo["Dynamic"]["CurrentLocationZ"] = loc.mV[2];
	}

	if(LLAppViewer::instance()->mMainloopTimeout)
	{
		gDebugInfo["Dynamic"]["MainloopTimeoutState"] = LLAppViewer::instance()->mMainloopTimeout->getState();
	}
	
	// The crash is being handled here so set this value to false.
	// Otherwise the crash logger will think this crash was a freeze.
	gDebugInfo["Dynamic"]["CrashNotHandled"] = (LLSD::Boolean)false;
    
	//Write out the crash status file
	//Use marker file style setup, as that's the simplest, especially since
	//we're already in a crash situation	
	if (gDirUtilp)
	{
		std::string crash_marker_file_name = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,
																			gLLErrorActivated
																			? LLERROR_MARKER_FILE_NAME
																			: ERROR_MARKER_FILE_NAME);
		LLAPRFile crash_marker_file ;
		crash_marker_file.open(crash_marker_file_name, LL_APR_WB);
		if (crash_marker_file.getFileHandle())
		{
			LL_INFOS("MarkerFile") << "Created crash marker file " << crash_marker_file_name << LL_ENDL;
			recordMarkerVersion(crash_marker_file);
		}
		else
		{
			LL_WARNS("MarkerFile") << "Cannot create error marker file " << crash_marker_file_name << LL_ENDL;
		}
	}
	else
	{
		LL_WARNS("MarkerFile") << "No gDirUtilp with which to create error marker file name" << LL_ENDL;
	}		
	
#ifdef LL_WINDOWS
	Sleep(200);
#endif 

	char *minidump_file = pApp->getMiniDumpFilename();
    LL_DEBUGS("CRASHREPORT") << "minidump file name " << minidump_file << LL_ENDL;
	if(minidump_file && minidump_file[0] != 0)
	{
		gDebugInfo["Dynamic"]["MinidumpPath"] = minidump_file;
	}
	else
	{
#ifdef LL_WINDOWS
		getFileList();
#else
        LL_WARNS("CRASHREPORT") << "no minidump file?" << LL_ENDL;
#endif        
	}
    gDebugInfo["Dynamic"]["CrashType"]="crash";
	
	if (gMessageSystem && gDirUtilp)
	{
		std::string filename;
		filename = gDirUtilp->getExpandedFilename(LL_PATH_DUMP, "stats.log");
        LL_DEBUGS("CRASHREPORT") << "recording stats " << filename << LL_ENDL;
		llofstream file(filename.c_str(), std::ios_base::binary);
		if(file.good())
		{
			gMessageSystem->summarizeLogs(file);
			file.close();
		}
        else
        {
            LL_WARNS("CRASHREPORT") << "problem recording stats" << LL_ENDL;
        }        
	}

	if (gMessageSystem)
	{
		gMessageSystem->getCircuitInfo(gDebugInfo["CircuitInfo"]);
		gMessageSystem->stopLogging();
	}

	if (LLWorld::instanceExists()) LLWorld::getInstance()->getInfo(gDebugInfo["Dynamic"]);

	// Close the debug file
	pApp->writeDebugInfo(false);  //false answers the isStatic question with the least overhead.
}

// static
void LLAppViewer::recordMarkerVersion(LLAPRFile& marker_file) 
{		
	std::string marker_version(LLVersionInfo::getChannelAndVersion());
	if ( marker_version.length() > MAX_MARKER_LENGTH )
	{
		LL_WARNS_ONCE("MarkerFile") << "Version length ("<< marker_version.length()<< ")"
									<< " greater than maximum (" << MAX_MARKER_LENGTH << ")"
									<< ": marker matching may be incorrect"
									<< LL_ENDL;
	}

	// record the viewer version in the marker file
	marker_file.write(marker_version.data(), marker_version.length());
}

bool LLAppViewer::markerIsSameVersion(const std::string& marker_name) const
{
	bool sameVersion = false;

	std::string my_version(LLVersionInfo::getChannelAndVersion());
	char marker_version[MAX_MARKER_LENGTH];
	S32  marker_version_length;

	LLAPRFile marker_file;
	marker_file.open(marker_name, LL_APR_RB);
	if (marker_file.getFileHandle())
	{
		marker_version_length = marker_file.read(marker_version, sizeof(marker_version));
		std::string marker_string(marker_version, marker_version_length);
		if ( 0 == my_version.compare( 0, my_version.length(), marker_version, 0, marker_version_length ) )
		{
			sameVersion = true;
		}
		LL_DEBUGS("MarkerFile") << "Compare markers for '" << marker_name << "': "
								<< "\n   mine '" << my_version    << "'"
								<< "\n marker '" << marker_string << "'"
								<< "\n " << ( sameVersion ? "same" : "different" ) << " version"
								<< LL_ENDL;
		marker_file.close();
	}
	return sameVersion;
}

void LLAppViewer::processMarkerFiles()
{
	//We've got 4 things to test for here
	// - Other Process Running (SecondLife.exec_marker present, locked)
	// - Freeze (SecondLife.exec_marker present, not locked)
	// - LLError Crash (SecondLife.llerror_marker present)
	// - Other Crash (SecondLife.error_marker present)
	// These checks should also remove these files for the last 2 cases if they currently exist

	bool marker_is_same_version = true;
	// first, look for the marker created at startup and deleted on a clean exit
	mMarkerFileName = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,MARKER_FILE_NAME);
	if (LLAPRFile::isExist(mMarkerFileName, NULL, LL_APR_RB))
	{
		// File exists...
		// first, read it to see if it was created by the same version (we need this later)
		marker_is_same_version = markerIsSameVersion(mMarkerFileName);

		// now test to see if this file is locked by a running process (try to open for write)
		LL_DEBUGS("MarkerFile") << "Checking exec marker file for lock..." << LL_ENDL;
		mMarkerFile.open(mMarkerFileName, LL_APR_WB);
		apr_file_t* fMarker = mMarkerFile.getFileHandle() ; 
		if (!fMarker)
		{
			LL_INFOS("MarkerFile") << "Exec marker file open failed - assume it is locked." << LL_ENDL;
			mSecondInstance = true; // lock means that instance is running.
		}
		else
		{
			// We were able to open it, now try to lock it ourselves...
			if (apr_file_lock(fMarker, APR_FLOCK_NONBLOCK | APR_FLOCK_EXCLUSIVE) != APR_SUCCESS)
			{
				LL_WARNS_ONCE("MarkerFile") << "Locking exec marker failed." << LL_ENDL;
				mSecondInstance = true; // lost a race? be conservative
			}
			else
			{
				// No other instances; we've locked this file now, so record our version; delete on quit.		
				recordMarkerVersion(mMarkerFile);
				LL_DEBUGS("MarkerFile") << "Exec marker file existed but was not locked; rewritten." << LL_ENDL;
			}
		}

		if (mSecondInstance)
		{
			LL_INFOS("MarkerFile") << "Exec marker '"<< mMarkerFileName << "' owned by another instance" << LL_ENDL;
		}
		else if (marker_is_same_version)
		{
			// the file existed, is ours, and matched our version, so we can report on what it says
			LL_INFOS("MarkerFile") << "Exec marker '"<< mMarkerFileName << "' found; last exec FROZE" << LL_ENDL;
			gLastExecEvent = LAST_EXEC_FROZE;
				
		}
		else
		{
			LL_INFOS("MarkerFile") << "Exec marker '"<< mMarkerFileName << "' found, but versions did not match" << LL_ENDL;
		}
	}
	else // marker did not exist... last exec (if any) did not freeze
	{
		// Create the marker file for this execution & lock it; it will be deleted on a clean exit
		apr_status_t s;
		s = mMarkerFile.open(mMarkerFileName, LL_APR_WB, TRUE);	

		if (s == APR_SUCCESS && mMarkerFile.getFileHandle())
		{
			LL_DEBUGS("MarkerFile") << "Exec marker file '"<< mMarkerFileName << "' created." << LL_ENDL;
			if (APR_SUCCESS == apr_file_lock(mMarkerFile.getFileHandle(), APR_FLOCK_NONBLOCK | APR_FLOCK_EXCLUSIVE)) 
			{
				recordMarkerVersion(mMarkerFile);
				LL_DEBUGS("MarkerFile") << "Exec marker file locked." << LL_ENDL;
			}
			else
			{
				LL_WARNS("MarkerFile") << "Exec marker file cannot be locked." << LL_ENDL;
			}
		}
		else
		{
			LL_WARNS("MarkerFile") << "Failed to create exec marker file '"<< mMarkerFileName << "'." << LL_ENDL;
		}
	}

	// now check for cases in which the exec marker may have been cleaned up by crash handlers

	// check for any last exec event report based on whether or not it happened during logout
	// (the logout marker is created when logout begins)
	std::string logout_marker_file =  gDirUtilp->getExpandedFilename(LL_PATH_LOGS, LOGOUT_MARKER_FILE_NAME);
	if(LLAPRFile::isExist(logout_marker_file, NULL, LL_APR_RB))
	{
		if (markerIsSameVersion(logout_marker_file))
		{
			gLastExecEvent = LAST_EXEC_LOGOUT_FROZE;
			LL_INFOS("MarkerFile") << "Logout crash marker '"<< logout_marker_file << "', changing LastExecEvent to LOGOUT_FROZE" << LL_ENDL;
		}
		else
		{
			LL_INFOS("MarkerFile") << "Logout crash marker '"<< logout_marker_file << "' found, but versions did not match" << LL_ENDL;
		}
		LLAPRFile::remove(logout_marker_file);
	}
	// further refine based on whether or not a marker created during an llerr crash is found
	std::string llerror_marker_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, LLERROR_MARKER_FILE_NAME);
	if(LLAPRFile::isExist(llerror_marker_file, NULL, LL_APR_RB))
	{
		if (markerIsSameVersion(llerror_marker_file))
		{
			if ( gLastExecEvent == LAST_EXEC_LOGOUT_FROZE )
			{
				gLastExecEvent = LAST_EXEC_LOGOUT_CRASH;
				LL_INFOS("MarkerFile") << "LLError marker '"<< llerror_marker_file << "' crashed, setting LastExecEvent to LOGOUT_CRASH" << LL_ENDL;
			}
			else
			{
				gLastExecEvent = LAST_EXEC_LLERROR_CRASH;
				LL_INFOS("MarkerFile") << "LLError marker '"<< llerror_marker_file << "' crashed, setting LastExecEvent to LLERROR_CRASH" << LL_ENDL;
			}
		}
		else
		{
			LL_INFOS("MarkerFile") << "LLError marker '"<< llerror_marker_file << "' found, but versions did not match" << LL_ENDL;
		}
		LLAPRFile::remove(llerror_marker_file);
	}
	// and last refine based on whether or not a marker created during a non-llerr crash is found
	std::string error_marker_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, ERROR_MARKER_FILE_NAME);
	if(LLAPRFile::isExist(error_marker_file, NULL, LL_APR_RB))
	{
		if (markerIsSameVersion(error_marker_file))
		{
			if (gLastExecEvent == LAST_EXEC_LOGOUT_FROZE)
			{
				gLastExecEvent = LAST_EXEC_LOGOUT_CRASH;
				LL_INFOS("MarkerFile") << "Error marker '"<< error_marker_file << "' crashed, setting LastExecEvent to LOGOUT_CRASH" << LL_ENDL;
			}
			else
			{
				gLastExecEvent = LAST_EXEC_OTHER_CRASH;
				LL_INFOS("MarkerFile") << "Error marker '"<< error_marker_file << "' crashed, setting LastExecEvent to " << gLastExecEvent << LL_ENDL;
			}
		}
		else
		{
			LL_INFOS("MarkerFile") << "Error marker '"<< error_marker_file << "' marker found, but versions did not match" << LL_ENDL;
		}
		LLAPRFile::remove(error_marker_file);
	}
}

void LLAppViewer::removeMarkerFiles()
{
	if (!mSecondInstance)
	{		
		if (mMarkerFile.getFileHandle())
		{
			mMarkerFile.close() ;
			LLAPRFile::remove( mMarkerFileName );
			LL_DEBUGS("MarkerFile") << "removed exec marker '"<<mMarkerFileName<<"'"<< LL_ENDL;
		}
		else
		{
			LL_WARNS("MarkerFile") << "marker '"<<mMarkerFileName<<"' not open"<< LL_ENDL;
 		}

		if (mLogoutMarkerFile.getFileHandle())
		{
			mLogoutMarkerFile.close();
			LLAPRFile::remove( mLogoutMarkerFileName );
			LL_DEBUGS("MarkerFile") << "removed logout marker '"<<mLogoutMarkerFileName<<"'"<< LL_ENDL;
		}
		else
		{
			LL_WARNS("MarkerFile") << "logout marker '"<<mLogoutMarkerFileName<<"' not open"<< LL_ENDL;
		}
	}
	else
	{
		LL_WARNS("MarkerFile") << "leaving markers because this is a second instance" << LL_ENDL;
	}
}

void LLAppViewer::removeDumpDir()
{
    //Call this routine only on clean exit.  Crash reporter will clean up
    //its locking table for us.
    std::string dump_dir = gDirUtilp->getExpandedFilename(LL_PATH_DUMP, "");
    gDirUtilp->deleteDirAndContents(dump_dir);
}

void LLAppViewer::forceQuit()
{ 
	LLApp::setQuitting(); 
}

//TODO: remove
void LLAppViewer::fastQuit(S32 error_code)
{
	// finish pending transfers
	flushVFSIO();
	// let sim know we're logging out
	sendLogoutRequest();
	// flush network buffers by shutting down messaging system
	end_messaging_system();
	// figure out the error code
	S32 final_error_code = error_code ? error_code : (S32)isError();
	// this isn't a crash	
	removeMarkerFiles();
	// get outta here
	_exit(final_error_code);	
}

void LLAppViewer::requestQuit()
{
	LL_INFOS() << "requestQuit" << LL_ENDL;

	LLViewerRegion* region = gAgent.getRegion();
	
	if( (LLStartUp::getStartupState() < STATE_STARTED) || !region )
	{
		// If we have a region, make some attempt to send a logout request first.
		// This prevents the halfway-logged-in avatar from hanging around inworld for a couple minutes.
		if(region)
		{
			sendLogoutRequest();
		}
		
		// Quit immediately
		forceQuit();
		return;
	}

	// Try to send metrics back to the grid
	metricsSend(!gDisconnected);

	// Try to send last batch of avatar rez metrics.
	if (!gDisconnected && isAgentAvatarValid())
	{
		gAgentAvatarp->updateAvatarRezMetrics(true); // force a last packet to be sent.
	}
	
	// Try to send last batch of avatar rez metrics.
	if (!gDisconnected && isAgentAvatarValid())
	{
		gAgentAvatarp->updateAvatarRezMetrics(true); // force a last packet to be sent.
	}
	
	LLHUDEffectSpiral *effectp = (LLHUDEffectSpiral*)LLHUDManager::getInstance()->createViewerEffect(LLHUDObject::LL_HUD_EFFECT_POINT, TRUE);
	effectp->setPositionGlobal(gAgent.getPositionGlobal());
	effectp->setColor(LLColor4U(gAgent.getEffectColor()));
	LLHUDManager::getInstance()->sendEffects();
	effectp->markDead() ;//remove it.

	// Attempt to close all floaters that might be
	// editing things.
	if (gFloaterView)
	{
		// application is quitting
		gFloaterView->closeAllChildren(true);
	}

	send_stats();

	gLogoutTimer.reset();
	mQuitRequested = true;
}

static bool finish_quit(const LLSD& notification, const LLSD& response)
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);

	if (option == 0)
	{
		LLAppViewer::instance()->requestQuit();
	}
	return false;
}
static LLNotificationFunctorRegistration finish_quit_reg("ConfirmQuit", finish_quit);

void LLAppViewer::userQuit()
{
	if (gDisconnected || gViewerWindow->getProgressView()->getVisible())
	{
		requestQuit();
	}
	else
	{
		LLNotificationsUtil::add("ConfirmQuit");
	}
}

static bool finish_early_exit(const LLSD& notification, const LLSD& response)
{
	LLAppViewer::instance()->forceQuit();
	return false;
}

void LLAppViewer::earlyExit(const std::string& name, const LLSD& substitutions)
{
   	LL_WARNS() << "app_early_exit: " << name << LL_ENDL;
	gDoDisconnect = TRUE;
	LLNotificationsUtil::add(name, substitutions, LLSD(), finish_early_exit);
}

// case where we need the viewer to exit without any need for notifications
void LLAppViewer::earlyExitNoNotify()
{
   	LL_WARNS() << "app_early_exit with no notification: " << LL_ENDL;
	gDoDisconnect = TRUE;
	finish_early_exit( LLSD(), LLSD() );
}

void LLAppViewer::abortQuit()
{
    LL_INFOS() << "abortQuit()" << LL_ENDL;
	mQuitRequested = false;
}

void LLAppViewer::migrateCacheDirectory()
{
#if LL_WINDOWS || LL_DARWIN
	// NOTE: (Nyx) as of 1.21, cache for mac is moving to /library/caches/SecondLife from
	// /library/application support/SecondLife/cache This should clear/delete the old dir.

	// As of 1.23 the Windows cache moved from
	//   C:\Documents and Settings\James\Application Support\SecondLife\cache
	// to
	//   C:\Documents and Settings\James\Local Settings\Application Support\SecondLife
	//
	// The Windows Vista equivalent is from
	//   C:\Users\James\AppData\Roaming\SecondLife\cache
	// to
	//   C:\Users\James\AppData\Local\SecondLife
	//
	// Note the absence of \cache on the second path.  James.

	// Only do this once per fresh install of this version.
	if (gSavedSettings.getBOOL("MigrateCacheDirectory"))
	{
		gSavedSettings.setBOOL("MigrateCacheDirectory", FALSE);

		std::string old_cache_dir = gDirUtilp->add(gDirUtilp->getOSUserAppDir(), "cache");
		std::string new_cache_dir = gDirUtilp->getCacheDir(true);

		if (gDirUtilp->fileExists(old_cache_dir))
		{
			LL_INFOS() << "Migrating cache from " << old_cache_dir << " to " << new_cache_dir << LL_ENDL;

			// Migrate inventory cache to avoid pain to inventory database after mass update
			S32 file_count = 0;
			std::string file_name;
			std::string mask = "*.*";

			LLDirIterator iter(old_cache_dir, mask);
			while (iter.next(file_name))
			{
				if (file_name == "." || file_name == "..") continue;
				std::string source_path = gDirUtilp->add(old_cache_dir, file_name);
				std::string dest_path = gDirUtilp->add(new_cache_dir, file_name);
				if (!LLFile::rename(source_path, dest_path))
				{
					file_count++;
				}
			}
			LL_INFOS() << "Moved " << file_count << " files" << LL_ENDL;

			// Nuke the old cache
			gDirUtilp->setCacheDir(old_cache_dir);
			purgeCache();
			gDirUtilp->setCacheDir(new_cache_dir);

#if LL_DARWIN
			// Clean up Mac files not deleted by removing *.*
			std::string ds_store = old_cache_dir + "/.DS_Store";
			if (gDirUtilp->fileExists(ds_store))
			{
				LLFile::remove(ds_store);
			}
#endif
			if (LLFile::rmdir(old_cache_dir) != 0)
			{
				LL_WARNS() << "could not delete old cache directory " << old_cache_dir << LL_ENDL;
			}
		}
	}
#endif // LL_WINDOWS || LL_DARWIN
}

void dumpVFSCaches()
{
	LL_INFOS() << "======= Static VFS ========" << LL_ENDL;
	gStaticVFS->listFiles();
#if LL_WINDOWS
	LL_INFOS() << "======= Dumping static VFS to StaticVFSDump ========" << LL_ENDL;
	WCHAR w_str[MAX_PATH];
	GetCurrentDirectory(MAX_PATH, w_str);
	S32 res = LLFile::mkdir("StaticVFSDump");
	if (res == -1)
	{
		if (errno != EEXIST)
		{
			LL_WARNS() << "Couldn't create dir StaticVFSDump" << LL_ENDL;
		}
	}
	SetCurrentDirectory(utf8str_to_utf16str("StaticVFSDump").c_str());
	gStaticVFS->dumpFiles();
	SetCurrentDirectory(w_str);
#endif
						
	LL_INFOS() << "========= Dynamic VFS ====" << LL_ENDL;
	gVFS->listFiles();
#if LL_WINDOWS
	LL_INFOS() << "========= Dumping dynamic VFS to VFSDump ====" << LL_ENDL;
	res = LLFile::mkdir("VFSDump");
	if (res == -1)
	{
		if (errno != EEXIST)
		{
			LL_WARNS() << "Couldn't create dir VFSDump" << LL_ENDL;
		}
	}
	SetCurrentDirectory(utf8str_to_utf16str("VFSDump").c_str());
	gVFS->dumpFiles();
	SetCurrentDirectory(w_str);
#endif
}

//static
U32 LLAppViewer::getTextureCacheVersion() 
{
	//viewer texture cache version, change if the texture cache format changes.
	const U32 TEXTURE_CACHE_VERSION = 7;

	return TEXTURE_CACHE_VERSION ;
}

//static
U32 LLAppViewer::getObjectCacheVersion() 
{
	// Viewer object cache version, change if object update
	// format changes. JC
	const U32 INDRA_OBJECT_CACHE_VERSION = 14;

	return INDRA_OBJECT_CACHE_VERSION;
}

bool LLAppViewer::initCache()
{
	mPurgeCache = false;
	BOOL read_only = mSecondInstance ? TRUE : FALSE;
	LLAppViewer::getTextureCache()->setReadOnly(read_only) ;
	LLVOCache::getInstance()->setReadOnly(read_only);

	bool texture_cache_mismatch = false;
	if (gSavedSettings.getS32("LocalCacheVersion") != LLAppViewer::getTextureCacheVersion()) 
	{
		texture_cache_mismatch = true;
		if(!read_only) 
		{
			gSavedSettings.setS32("LocalCacheVersion", LLAppViewer::getTextureCacheVersion());
		}
	}

	if(!read_only)
	{
		// Purge cache if user requested it
		if (gSavedSettings.getBOOL("PurgeCacheOnStartup") ||
			gSavedSettings.getBOOL("PurgeCacheOnNextStartup"))
		{
			gSavedSettings.setBOOL("PurgeCacheOnNextStartup", false);
			mPurgeCache = true;
			// STORM-1141 force purgeAllTextures to get called to prevent a crash here. -brad
			texture_cache_mismatch = true;
		}
	
		// We have moved the location of the cache directory over time.
		migrateCacheDirectory();
	
		// Setup and verify the cache location
		std::string cache_location = gSavedSettings.getString("CacheLocation");
		std::string new_cache_location = gSavedSettings.getString("NewCacheLocation");
		if (new_cache_location != cache_location)
		{
			gDirUtilp->setCacheDir(gSavedSettings.getString("CacheLocation"));
			purgeCache(); // purge old cache
			gSavedSettings.setString("CacheLocation", new_cache_location);
			gSavedSettings.setString("CacheLocationTopFolder", gDirUtilp->getBaseFileName(new_cache_location));
		}
	}

	if (!gDirUtilp->setCacheDir(gSavedSettings.getString("CacheLocation")))
	{
		LL_WARNS("AppCache") << "Unable to set cache location" << LL_ENDL;
		gSavedSettings.setString("CacheLocation", "");
		gSavedSettings.setString("CacheLocationTopFolder", "");
	}
	
	if (mPurgeCache && !read_only)
	{
		LLSplashScreen::update(LLTrans::getString("StartupClearingCache"));
		purgeCache();
	}

	LLSplashScreen::update(LLTrans::getString("StartupInitializingTextureCache"));
	
	// Init the texture cache
	// Allocate 80% of the cache size for textures	
	const S32 MB = 1024 * 1024;
	const S64 MIN_CACHE_SIZE = 64 * MB;
	const S64 MAX_CACHE_SIZE = 9984ll * MB;
	const S64 MAX_VFS_SIZE = 1024 * MB; // 1 GB

	S64 cache_size = (S64)(gSavedSettings.getU32("CacheSize")) * MB;
	cache_size = llclamp(cache_size, MIN_CACHE_SIZE, MAX_CACHE_SIZE);

	S64 texture_cache_size = ((cache_size * 8) / 10);
	S64 vfs_size = cache_size - texture_cache_size;

	if (vfs_size > MAX_VFS_SIZE)
	{
		// Give the texture cache more space, since the VFS can't be bigger than 1GB.
		// This happens when the user's CacheSize setting is greater than 5GB.
		vfs_size = MAX_VFS_SIZE;
		texture_cache_size = cache_size - MAX_VFS_SIZE;
	}

	S64 extra = LLAppViewer::getTextureCache()->initCache(LL_PATH_CACHE, texture_cache_size, texture_cache_mismatch);
	texture_cache_size -= extra;

	LLVOCache::getInstance()->initCache(LL_PATH_CACHE, gSavedSettings.getU32("CacheNumberOfRegionsForObjects"), getObjectCacheVersion()) ;

	LLSplashScreen::update(LLTrans::getString("StartupInitializingVFS"));
	
	// Init the VFS
	vfs_size = llmin(vfs_size + extra, MAX_VFS_SIZE);
	vfs_size = (vfs_size / MB) * MB; // make sure it is MB aligned
	U32 vfs_size_u32 = (U32)vfs_size;
	U32 old_vfs_size = gSavedSettings.getU32("VFSOldSize") * MB;
	bool resize_vfs = (vfs_size_u32 != old_vfs_size);
	if (resize_vfs)
	{
		gSavedSettings.setU32("VFSOldSize", vfs_size_u32 / MB);
	}
	LL_INFOS("AppCache") << "VFS CACHE SIZE: " << vfs_size / (1024*1024) << " MB" << LL_ENDL;
	
	// This has to happen BEFORE starting the vfs
	// time_t	ltime;
	srand(time(NULL));		// Flawfinder: ignore
	U32 old_salt = gSavedSettings.getU32("VFSSalt");
	U32 new_salt;
	std::string old_vfs_data_file;
	std::string old_vfs_index_file;
	std::string new_vfs_data_file;
	std::string new_vfs_index_file;
	std::string static_vfs_index_file;
	std::string static_vfs_data_file;

	if (gSavedSettings.getBOOL("AllowMultipleViewers"))
	{
		// don't mess with renaming the VFS in this case
		new_salt = old_salt;
	}
	else
	{
		do
		{
			new_salt = rand();
		} while(new_salt == old_salt);
	}

	old_vfs_data_file = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, VFS_DATA_FILE_BASE) + llformat("%u", old_salt);

	// make sure this file exists
	llstat s;
	S32 stat_result = LLFile::stat(old_vfs_data_file, &s);
	if (stat_result)
	{
		// doesn't exist, look for a data file
		std::string mask;
		mask = VFS_DATA_FILE_BASE;
		mask += "*";

		std::string dir;
		dir = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "");

		std::string found_file;
		LLDirIterator iter(dir, mask);
		if (iter.next(found_file))
		{
			old_vfs_data_file = gDirUtilp->add(dir, found_file);

			S32 start_pos = found_file.find_last_of('.');
			if (start_pos > 0)
			{
				sscanf(found_file.substr(start_pos+1).c_str(), "%d", &old_salt);
			}
			LL_DEBUGS("AppCache") << "Default vfs data file not present, found: " << old_vfs_data_file << " Old salt: " << old_salt << LL_ENDL;
		}
	}

	old_vfs_index_file = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, VFS_INDEX_FILE_BASE) + llformat("%u", old_salt);

	stat_result = LLFile::stat(old_vfs_index_file, &s);
	if (stat_result)
	{
		// We've got a bad/missing index file, nukem!
		LL_WARNS("AppCache") << "Bad or missing vfx index file " << old_vfs_index_file << LL_ENDL;
		LL_WARNS("AppCache") << "Removing old vfs data file " << old_vfs_data_file << LL_ENDL;
		LLFile::remove(old_vfs_data_file);
		LLFile::remove(old_vfs_index_file);
		
		// Just in case, nuke any other old cache files in the directory.
		std::string dir;
		dir = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "");

		std::string mask;
		mask = VFS_DATA_FILE_BASE;
		mask += "*";

		gDirUtilp->deleteFilesInDir(dir, mask);

		mask = VFS_INDEX_FILE_BASE;
		mask += "*";

		gDirUtilp->deleteFilesInDir(dir, mask);
	}

	new_vfs_data_file = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, VFS_DATA_FILE_BASE) + llformat("%u", new_salt);
	new_vfs_index_file = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, VFS_INDEX_FILE_BASE) + llformat("%u", new_salt);

	static_vfs_data_file = gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "static_data.db2");
	static_vfs_index_file = gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "static_index.db2");

	if (resize_vfs)
	{
		LL_DEBUGS("AppCache") << "Removing old vfs and re-sizing" << LL_ENDL;
		
		LLFile::remove(old_vfs_data_file);
		LLFile::remove(old_vfs_index_file);
	}
	else if (old_salt != new_salt)
	{
		// move the vfs files to a new name before opening
		LL_DEBUGS("AppCache") << "Renaming " << old_vfs_data_file << " to " << new_vfs_data_file << LL_ENDL;
		LL_DEBUGS("AppCache") << "Renaming " << old_vfs_index_file << " to " << new_vfs_index_file << LL_ENDL;
		LLFile::rename(old_vfs_data_file, new_vfs_data_file);
		LLFile::rename(old_vfs_index_file, new_vfs_index_file);
	}

	// Startup the VFS...
	gSavedSettings.setU32("VFSSalt", new_salt);

	// Don't remove VFS after viewer crashes.  If user has corrupt data, they can reinstall. JC
	gVFS = LLVFS::createLLVFS(new_vfs_index_file, new_vfs_data_file, false, vfs_size_u32, false);
	if (!gVFS)
	{
		return false;
	}

	gStaticVFS = LLVFS::createLLVFS(static_vfs_index_file, static_vfs_data_file, true, 0, false);
	if (!gStaticVFS)
	{
		return false;
	}

	BOOL success = gVFS->isValid() && gStaticVFS->isValid();
	if (!success)
	{
		return false;
	}
	else
	{
		LLVFile::initClass();

#ifndef LL_RELEASE_FOR_DOWNLOAD
		if (gSavedSettings.getBOOL("DumpVFSCaches"))
		{
			dumpVFSCaches();
		}
#endif
		
		return true;
	}
}

void LLAppViewer::addOnIdleCallback(const boost::function<void()>& cb)
{
	LLDeferredTaskList::instance().addTask(cb);
}

void LLAppViewer::purgeCache()
{
	LL_INFOS("AppCache") << "Purging Cache and Texture Cache..." << LL_ENDL;
	LLAppViewer::getTextureCache()->purgeCache(LL_PATH_CACHE);
	LLVOCache::getInstance()->removeCache(LL_PATH_CACHE);
	std::string browser_cache = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "cef_cache");
	if (LLFile::isdir(browser_cache))
	{
		// cef does not support clear_cache and clear_cookies, so clear what we can manually.
		gDirUtilp->deleteDirAndContents(browser_cache);
	}
	gDirUtilp->deleteFilesInDir(gDirUtilp->getExpandedFilename(LL_PATH_CACHE, ""), "*");
}

//purge cache immediately, do not wait until the next login.
void LLAppViewer::purgeCacheImmediate()
{
	LL_INFOS("AppCache") << "Purging Object Cache and Texture Cache immediately..." << LL_ENDL;
	LLAppViewer::getTextureCache()->purgeCache(LL_PATH_CACHE, false);
	LLVOCache::getInstance()->removeCache(LL_PATH_CACHE, true);
}

std::string LLAppViewer::getSecondLifeTitle() const
{
	return LLTrans::getString("APP_NAME");
}

std::string LLAppViewer::getWindowTitle() const 
{
	return gWindowTitle;
}

// Callback from a dialog indicating user was logged out.  
bool finish_disconnect(const LLSD& notification, const LLSD& response)
{
	S32 option = LLNotificationsUtil::getSelectedOption(notification, response);

	if (1 == option)
	{
        LLAppViewer::instance()->forceQuit();
	}
	return false;
}

// Callback from an early disconnect dialog, force an exit
bool finish_forced_disconnect(const LLSD& notification, const LLSD& response)
{
	LLAppViewer::instance()->forceQuit();
	return false;
}


void LLAppViewer::forceDisconnect(const std::string& mesg)
{
	if (gDoDisconnect)
    {
		// Already popped up one of these dialogs, don't
		// do this again.
		return;
    }
	
	// *TODO: Translate the message if possible
	std::string big_reason = LLAgent::sTeleportErrorMessages[mesg];
	if ( big_reason.size() == 0 )
	{
		big_reason = mesg;
	}

	LLSD args;
	gDoDisconnect = TRUE;

	if (LLStartUp::getStartupState() < STATE_STARTED)
	{
		// Tell users what happened
		args["ERROR_MESSAGE"] = big_reason;
		LLNotificationsUtil::add("ErrorMessage", args, LLSD(), &finish_forced_disconnect);
	}
	else
	{
		args["MESSAGE"] = big_reason;
		LLNotificationsUtil::add("YouHaveBeenLoggedOut", args, LLSD(), &finish_disconnect );
	}
}

void LLAppViewer::badNetworkHandler()
{
	// Dump the packet
	gMessageSystem->dumpPacketToLog();

	// Flush all of our caches on exit in the case of disconnect due to
	// invalid packets.

	mPurgeOnExit = TRUE;

	std::ostringstream message;
	message <<
		"The viewer has detected mangled network data indicative\n"
		"of a bad upstream network connection or an incomplete\n"
		"local installation of " << LLAppViewer::instance()->getSecondLifeTitle() << ". \n"
		" \n"
		"Try uninstalling and reinstalling to see if this resolves \n"
		"the issue. \n"
		" \n"
		"If the problem continues, see the Tech Support FAQ at: \n"
		"www.secondlife.com/support";
	forceDisconnect(message.str());
	
	LLApp::instance()->writeMiniDump();
}

// This routine may get called more than once during the shutdown process.
// This can happen because we need to get the screenshot before the window
// is destroyed.
void LLAppViewer::saveFinalSnapshot()
{
	if (!mSavedFinalSnapshot)
	{
		gSavedSettings.setVector3d("FocusPosOnLogout", gAgentCamera.calcFocusPositionTargetGlobal());
		gSavedSettings.setVector3d("CameraPosOnLogout", gAgentCamera.calcCameraPositionTargetGlobal());
		gViewerWindow->setCursor(UI_CURSOR_WAIT);
		gAgentCamera.changeCameraToThirdPerson( FALSE );	// don't animate, need immediate switch
		gSavedSettings.setBOOL("ShowParcelOwners", FALSE);
		idle();

		std::string snap_filename = gDirUtilp->getLindenUserDir();
		snap_filename += gDirUtilp->getDirDelimiter();
		snap_filename += SCREEN_LAST_FILENAME;
		// use full pixel dimensions of viewer window (not post-scale dimensions)
		gViewerWindow->saveSnapshot(snap_filename, gViewerWindow->getWindowWidthRaw(), gViewerWindow->getWindowHeightRaw(), FALSE, TRUE);
		mSavedFinalSnapshot = TRUE;
	}
}

void LLAppViewer::loadNameCache()
{
	// display names cache
	std::string filename =
		gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "avatar_name_cache.xml");
	LL_INFOS("AvNameCache") << filename << LL_ENDL;
	llifstream name_cache_stream(filename.c_str());
	if(name_cache_stream.is_open())
	{
		if ( ! LLAvatarNameCache::importFile(name_cache_stream))
        {
            LL_WARNS("AppInit") << "removing invalid '" << filename << "'" << LL_ENDL;
            name_cache_stream.close();
            LLFile::remove(filename);
        }
	}

	if (!gCacheName) return;

	std::string name_cache;
	name_cache = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "name.cache");
	llifstream cache_file(name_cache.c_str());
	if(cache_file.is_open())
	{
		if(gCacheName->importFile(cache_file)) return;
	}
}

void LLAppViewer::saveNameCache()
{
	// display names cache
	std::string filename =
		gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "avatar_name_cache.xml");
	llofstream name_cache_stream(filename.c_str());
	if(name_cache_stream.is_open())
	{
		LLAvatarNameCache::exportFile(name_cache_stream);
    }
    
    // real names cache
	if (gCacheName)
    {
        std::string name_cache;
        name_cache = gDirUtilp->getExpandedFilename(LL_PATH_CACHE, "name.cache");
        llofstream cache_file(name_cache.c_str());
        if(cache_file.is_open())
        {
            gCacheName->exportFile(cache_file);
        }
	}
}


/*!	@brief		This class is an LLFrameTimer that can be created with
				an elapsed time that starts counting up from the given value
				rather than 0.0.
				
				Otherwise it behaves the same way as LLFrameTimer.
*/
class LLFrameStatsTimer : public LLFrameTimer
{
public:
	LLFrameStatsTimer(F64 elapsed_already = 0.0)
		: LLFrameTimer()
		{
			mStartTime -= elapsed_already;
		}
};

static LLTrace::BlockTimerStatHandle FTM_AUDIO_UPDATE("Update Audio");
static LLTrace::BlockTimerStatHandle FTM_CLEANUP("Cleanup");
static LLTrace::BlockTimerStatHandle FTM_CLEANUP_DRAWABLES("Drawables");
static LLTrace::BlockTimerStatHandle FTM_CLEANUP_OBJECTS("Objects");
static LLTrace::BlockTimerStatHandle FTM_IDLE_CB("Idle Callbacks");
static LLTrace::BlockTimerStatHandle FTM_LOD_UPDATE("Update LOD");
static LLTrace::BlockTimerStatHandle FTM_OBJECTLIST_UPDATE("Update Objectlist");
static LLTrace::BlockTimerStatHandle FTM_REGION_UPDATE("Update Region");
static LLTrace::BlockTimerStatHandle FTM_WORLD_UPDATE("Update World");
static LLTrace::BlockTimerStatHandle FTM_NETWORK("Network");
static LLTrace::BlockTimerStatHandle FTM_AGENT_NETWORK("Agent Network");
static LLTrace::BlockTimerStatHandle FTM_VLMANAGER("VL Manager");
static LLTrace::BlockTimerStatHandle FTM_AGENT_POSITION("Agent Position");
static LLTrace::BlockTimerStatHandle FTM_HUD_EFFECTS("HUD Effects");

///////////////////////////////////////////////////////
// idle()
//
// Called every time the window is not doing anything.
// Receive packets, update statistics, and schedule a redisplay.
///////////////////////////////////////////////////////
void LLAppViewer::idle()
{
	pingMainloopTimeout("Main:Idle");
	
	// Update frame timers
	static LLTimer idle_timer;

	LLFrameTimer::updateFrameTime();
	LLFrameTimer::updateFrameCount();
	LLEventTimer::updateClass();
	LLNotificationsUI::LLToast::updateClass();
	LLSmoothInterpolation::updateInterpolants();
	LLMortician::updateClass();
	LLFilePickerThread::clearDead();  //calls LLFilePickerThread::notify()

	F32 dt_raw = idle_timer.getElapsedTimeAndResetF32();

	// Cap out-of-control frame times
	// Too low because in menus, swapping, debugger, etc.
	// Too high because idle called with no objects in view, etc.
	const F32 MIN_FRAME_RATE = 1.f;
	const F32 MAX_FRAME_RATE = 200.f;

	F32 frame_rate_clamped = 1.f / dt_raw;
	frame_rate_clamped = llclamp(frame_rate_clamped, MIN_FRAME_RATE, MAX_FRAME_RATE);
	gFrameDTClamped = 1.f / frame_rate_clamped;

	// Global frame timer
	// Smoothly weight toward current frame
	gFPSClamped = (frame_rate_clamped + (4.f * gFPSClamped)) / 5.f;

	F32 qas = gSavedSettings.getF32("QuitAfterSeconds");
	if (qas > 0.f)
	{
		if (gRenderStartTime.getElapsedTimeF32() > qas)
		{
			LL_INFOS() << "Quitting after " << qas << " seconds. See setting \"QuitAfterSeconds\"." << LL_ENDL;
			LLAppViewer::instance()->forceQuit();
		}
	}

	// Must wait until both have avatar object and mute list, so poll
	// here.
	request_initial_instant_messages();

	///////////////////////////////////
	//
	// Special case idle if still starting up
	//
	if (LLStartUp::getStartupState() < STATE_STARTED)
	{
		// Skip rest if idle startup returns false (essentially, no world yet)
		gGLActive = TRUE;
		if (!idle_startup())
		{
			gGLActive = FALSE;
			return;
		}
		gGLActive = FALSE;
	}

	
    F32 yaw = 0.f;				// radians

	if (!gDisconnected)
	{
		LL_RECORD_BLOCK_TIME(FTM_NETWORK);
		// Update spaceserver timeinfo
	    LLWorld::getInstance()->setSpaceTimeUSec(LLWorld::getInstance()->getSpaceTimeUSec() + LLUnits::Seconds::fromValue(dt_raw));
    
    
	    //////////////////////////////////////
	    //
	    // Update simulator agent state
	    //

		if (gSavedSettings.getBOOL("RotateRight"))
		{
			gAgent.moveYaw(-1.f);
		}

		{
			LL_RECORD_BLOCK_TIME(FTM_AGENT_AUTOPILOT);
			// Handle automatic walking towards points
			gAgentPilot.updateTarget();
			gAgent.autoPilot(&yaw);
		}

		static LLFrameTimer agent_update_timer;

		// When appropriate, update agent location to the simulator.
		F32 agent_update_time = agent_update_timer.getElapsedTimeF32();
		F32 agent_force_update_time = mLastAgentForceUpdate + agent_update_time;
		BOOL force_update = gAgent.controlFlagsDirty()
							|| (mLastAgentControlFlags != gAgent.getControlFlags())
							|| (agent_force_update_time > (1.0f / (F32) AGENT_FORCE_UPDATES_PER_SECOND));
		if (force_update || (agent_update_time > (1.0f / (F32) AGENT_UPDATES_PER_SECOND)))
		{
			LL_RECORD_BLOCK_TIME(FTM_AGENT_UPDATE);
			// Send avatar and camera info
			mLastAgentControlFlags = gAgent.getControlFlags();
			mLastAgentForceUpdate = force_update ? 0 : agent_force_update_time;
			send_agent_update(force_update);
			agent_update_timer.reset();
		}
	}

	//////////////////////////////////////
	//
	// Manage statistics
	//
	//
	{
		// Initialize the viewer_stats_timer with an already elapsed time
		// of SEND_STATS_PERIOD so that the initial stats report will
		// be sent immediately.
		static LLFrameStatsTimer viewer_stats_timer(SEND_STATS_PERIOD);

		// Update session stats every large chunk of time
		// *FIX: (?) SAMANTHA
		if (viewer_stats_timer.getElapsedTimeF32() >= SEND_STATS_PERIOD && !gDisconnected)
		{
			LL_INFOS() << "Transmitting sessions stats" << LL_ENDL;
			send_stats();
			viewer_stats_timer.reset();
		}

		// Print the object debugging stats
		static LLFrameTimer object_debug_timer;
		if (object_debug_timer.getElapsedTimeF32() > 5.f)
		{
			object_debug_timer.reset();
			if (gObjectList.mNumDeadObjectUpdates)
			{
				LL_INFOS() << "Dead object updates: " << gObjectList.mNumDeadObjectUpdates << LL_ENDL;
				gObjectList.mNumDeadObjectUpdates = 0;
			}
			if (gObjectList.mNumUnknownUpdates)
			{
				LL_INFOS() << "Unknown object updates: " << gObjectList.mNumUnknownUpdates << LL_ENDL;
				gObjectList.mNumUnknownUpdates = 0;
			}

		}
	}

	if (!gDisconnected)
	{
		LL_RECORD_BLOCK_TIME(FTM_NETWORK);
	
	    ////////////////////////////////////////////////
	    //
	    // Network processing
	    //
	    // NOTE: Starting at this point, we may still have pointers to "dead" objects
	    // floating throughout the various object lists.
	    //
		idleNameCache();
		idleNetwork();
	    	        

		// Check for away from keyboard, kick idle agents.
		idle_afk_check();

		//  Update statistics for this frame
		update_statistics();
	}

	////////////////////////////////////////
	//
	// Handle the regular UI idle callbacks as well as
	// hover callbacks
	//
    
#ifdef LL_DARWIN
	if (!mQuitRequested)  //MAINT-4243
#endif
	{
// 		LL_RECORD_BLOCK_TIME(FTM_IDLE_CB);

		// Do event notifications if necessary.  Yes, we may want to move this elsewhere.
		gEventNotifier.update();
		
		gIdleCallbacks.callFunctions();
		gInventory.idleNotifyObservers();
		LLAvatarTracker::instance().idleNotifyObservers();
	}
	
	// Metrics logging (LLViewerAssetStats, etc.)
	{
		static LLTimer report_interval;

		// *TODO:  Add configuration controls for this
		F32 seconds = report_interval.getElapsedTimeF32();
		if (seconds >= app_metrics_interval)
		{
			metricsSend(! gDisconnected);
			report_interval.reset();
		}
	}

	if (gDisconnected)
    {
		return;
    }
	if (gTeleportDisplay)
    {
		return;
    }

	gViewerWindow->updateUI();

	///////////////////////////////////////
	// Agent and camera movement
	//
	LLCoordGL current_mouse = gViewerWindow->getCurrentMouse();

	{
		// After agent and camera moved, figure out if we need to
		// deselect objects.
		LLSelectMgr::getInstance()->deselectAllIfTooFar();

	}

	{
		// Handle pending gesture processing
		LL_RECORD_BLOCK_TIME(FTM_AGENT_POSITION);
		LLGestureMgr::instance().update();

		gAgent.updateAgentPosition(gFrameDTClamped, yaw, current_mouse.mX, current_mouse.mY);
	}

	{
		LL_RECORD_BLOCK_TIME(FTM_OBJECTLIST_UPDATE); 
		
        if (!(logoutRequestSent() && hasSavedFinalSnapshot()))
		{
			gObjectList.update(gAgent);
		}
	}
	
	//////////////////////////////////////
	//
	// Deletes objects...
	// Has to be done after doing idleUpdates (which can kill objects)
	//

	{
		LL_RECORD_BLOCK_TIME(FTM_CLEANUP);
		{
			LL_RECORD_BLOCK_TIME(FTM_CLEANUP_OBJECTS);
			gObjectList.cleanDeadObjects();
		}
		{
			LL_RECORD_BLOCK_TIME(FTM_CLEANUP_DRAWABLES);
			LLDrawable::cleanupDeadDrawables();
		}
	}
	
	//
	// After this point, in theory we should never see a dead object
	// in the various object/drawable lists.
	//

	//////////////////////////////////////
	//
	// Update/send HUD effects
	//
	// At this point, HUD effects may clean up some references to
	// dead objects.
	//

	{
		LL_RECORD_BLOCK_TIME(FTM_HUD_EFFECTS);
		LLSelectMgr::getInstance()->updateEffects();
		LLHUDManager::getInstance()->cleanupEffects();
		LLHUDManager::getInstance()->sendEffects();
	}

	////////////////////////////////////////
	//
	// Unpack layer data that we've received
	//

	{
		LL_RECORD_BLOCK_TIME(FTM_NETWORK);
		gVLManager.unpackData();
	}
	
	/////////////////////////
	//
	// Update surfaces, and surface textures as well.
	//

	LLWorld::getInstance()->updateVisibilities();
	{
		const F32 max_region_update_time = .001f; // 1ms
		LL_RECORD_BLOCK_TIME(FTM_REGION_UPDATE);
		LLWorld::getInstance()->updateRegions(max_region_update_time);
	}
	
	/////////////////////////
	//
	// Update weather effects
	//
	gSky.propagateHeavenlyBodies(gFrameDTClamped);				// moves sun, moon, and planets

	// Update wind vector 
	LLVector3 wind_position_region;
	static LLVector3 average_wind;

	LLViewerRegion *regionp;
	regionp = LLWorld::getInstance()->resolveRegionGlobal(wind_position_region, gAgent.getPositionGlobal());	// puts agent's local coords into wind_position	
	if (regionp)
	{
		gWindVec = regionp->mWind.getVelocity(wind_position_region);

		// Compute average wind and use to drive motion of water
		
		average_wind = regionp->mWind.getAverage();
		gSky.setWind(average_wind);
		//LLVOWater::setWind(average_wind);
	}
	else
	{
		gWindVec.setVec(0.0f, 0.0f, 0.0f);
	}
	
	//////////////////////////////////////
	//
	// Sort and cull in the new renderer are moved to pipeline.cpp
	// Here, particles are updated and drawables are moved.
	//
	
	LL_RECORD_BLOCK_TIME(FTM_WORLD_UPDATE);
	gPipeline.updateMove();

	LLWorld::getInstance()->updateParticles();

	if (gAgentPilot.isPlaying() && gAgentPilot.getOverrideCamera())
	{
		gAgentPilot.moveCamera();
	}
	else if (LLViewerJoystick::getInstance()->getOverrideCamera())
	{ 
		LLViewerJoystick::getInstance()->moveFlycam();
	}
	else
	{
		if (LLToolMgr::getInstance()->inBuildMode())
		{
			LLViewerJoystick::getInstance()->moveObjects();
		}

		gAgentCamera.updateCamera();
	}

	// update media focus
	LLViewerMediaFocus::getInstance()->update();
	
	// Update marketplace
	LLMarketplaceInventoryImporter::update();
	LLMarketplaceInventoryNotifications::update();

	// objects and camera should be in sync, do LOD calculations now
	{
		LL_RECORD_BLOCK_TIME(FTM_LOD_UPDATE);
		gObjectList.updateApparentAngles(gAgent);
	}

	// Update AV render info
	LLAvatarRenderInfoAccountant::getInstance()->idle();

	{
		LL_RECORD_BLOCK_TIME(FTM_AUDIO_UPDATE);
		
		if (gAudiop)
		{
		    audio_update_volume(false);
			audio_update_listener();
			audio_update_wind(false);

			// this line actually commits the changes we've made to source positions, etc.
			const F32 max_audio_decode_time = 0.002f; // 2 ms decode time
			gAudiop->idle(max_audio_decode_time);
		}
	}

	// Execute deferred tasks.
	LLDeferredTaskList::instance().run();
	
	// Handle shutdown process, for example, 
	// wait for floaters to close, send quit message,
	// forcibly quit if it has taken too long
	if (mQuitRequested)
	{
		gGLActive = TRUE;
		idleShutdown();
	}
}

void LLAppViewer::idleShutdown()
{
	// Wait for all modal alerts to get resolved
	if (LLModalDialog::activeCount() > 0)
	{
		return;
	}

	// close IM interface
	if(gIMMgr)
	{
		gIMMgr->disconnectAllSessions();
	}
	
	// Wait for all floaters to get resolved
	if (gFloaterView
		&& !gFloaterView->allChildrenClosed())
	{
		return;
	}



	
	// ProductEngine: Try moving this code to where we shut down sTextureCache in cleanup()
	// *TODO: ugly
	static bool saved_teleport_history = false;
	if (!saved_teleport_history)
	{
		saved_teleport_history = true;
		LLTeleportHistory::getInstance()->dump();
		LLLocationHistory::getInstance()->save(); // *TODO: find a better place for doing this
		return;
	}

	static bool saved_snapshot = false;
	if (!saved_snapshot)
	{
		saved_snapshot = true;
		saveFinalSnapshot();
		return;
	}

	const F32 SHUTDOWN_UPLOAD_SAVE_TIME = 5.f;

	S32 pending_uploads = gAssetStorage->getNumPendingUploads();
	if (pending_uploads > 0
		&& gLogoutTimer.getElapsedTimeF32() < SHUTDOWN_UPLOAD_SAVE_TIME
		&& !logoutRequestSent())
	{
		static S32 total_uploads = 0;
		// Sometimes total upload count can change during logout.
		total_uploads = llmax(total_uploads, pending_uploads);
		gViewerWindow->setShowProgress(TRUE);
		S32 finished_uploads = total_uploads - pending_uploads;
		F32 percent = 100.f * finished_uploads / total_uploads;
		gViewerWindow->setProgressPercent(percent);
		gViewerWindow->setProgressString(LLTrans::getString("SavingSettings"));
		return;
	}

	if (gPendingMetricsUploads > 0
		&& gLogoutTimer.getElapsedTimeF32() < SHUTDOWN_UPLOAD_SAVE_TIME
		&& !logoutRequestSent())
	{
		return;
	}

	// All floaters are closed.  Tell server we want to quit.
	if( !logoutRequestSent() )
	{
		sendLogoutRequest();

		// Wait for a LogoutReply message
		gViewerWindow->setShowProgress(TRUE);
		gViewerWindow->setProgressPercent(100.f);
		gViewerWindow->setProgressString(LLTrans::getString("LoggingOut"));
		return;
	}

	// Make sure that we quit if we haven't received a reply from the server.
	if( logoutRequestSent() 
		&& gLogoutTimer.getElapsedTimeF32() > gLogoutMaxTime )
	{
		forceQuit();
		return;
	}
}

void LLAppViewer::sendLogoutRequest()
{
	if(!mLogoutRequestSent && gMessageSystem)
	{
		//Set internal status variables and marker files before actually starting the logout process
		gLogoutInProgress = TRUE;
		if (!mSecondInstance)
		{
			mLogoutMarkerFileName = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,LOGOUT_MARKER_FILE_NAME);
		
			mLogoutMarkerFile.open(mLogoutMarkerFileName, LL_APR_WB);
			if (mLogoutMarkerFile.getFileHandle())
			{
				LL_INFOS("MarkerFile") << "Created logout marker file '"<< mLogoutMarkerFileName << "' " << LL_ENDL;
				recordMarkerVersion(mLogoutMarkerFile);
			}
			else
			{
				LL_WARNS("MarkerFile") << "Cannot create logout marker file " << mLogoutMarkerFileName << LL_ENDL;
			}		
		}
		else
		{
			LL_INFOS("MarkerFile") << "Did not logout marker file because this is a second instance" << LL_ENDL;
		}
		
		LLMessageSystem* msg = gMessageSystem;
		msg->newMessageFast(_PREHASH_LogoutRequest);
		msg->nextBlockFast(_PREHASH_AgentData);
		msg->addUUIDFast(_PREHASH_AgentID, gAgent.getID() );
		msg->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
		gAgent.sendReliableMessage();

		gLogoutTimer.reset();
		gLogoutMaxTime = LOGOUT_REQUEST_TIME;
		mLogoutRequestSent = TRUE;
		
		if(LLVoiceClient::instanceExists())
		{
			LLVoiceClient::getInstance()->leaveChannel();
		}
	}
}

void LLAppViewer::idleNameCache()
{
	// Neither old nor new name cache can function before agent has a region
	LLViewerRegion* region = gAgent.getRegion();
	if (!region) return;

	// deal with any queued name requests and replies.
	gCacheName->processPending();

	// Can't run the new cache until we have the list of capabilities
	// for the agent region, and can therefore decide whether to use
	// display names or fall back to the old name system.
	if (!region->capabilitiesReceived()) return;

	// Agent may have moved to a different region, so need to update cap URL
	// for name lookups.  Can't do this in the cap grant code, as caps are
	// granted to neighbor regions before the main agent gets there.  Can't
	// do it in the move-into-region code because cap not guaranteed to be
	// granted yet, for example on teleport.
	bool had_capability = LLAvatarNameCache::hasNameLookupURL();
	std::string name_lookup_url;
	name_lookup_url.reserve(128); // avoid a memory allocation below
	name_lookup_url = region->getCapability("GetDisplayNames");
	bool have_capability = !name_lookup_url.empty();
	if (have_capability)
	{
		// we have support for display names, use it
	    U32 url_size = name_lookup_url.size();
	    // capabilities require URLs with slashes before query params:
	    // https://<host>:<port>/cap/<uuid>/?ids=<blah>
	    // but the caps are granted like:
	    // https://<host>:<port>/cap/<uuid>
	    if (url_size > 0 && name_lookup_url[url_size-1] != '/')
	    {
		    name_lookup_url += '/';
	    }
		LLAvatarNameCache::setNameLookupURL(name_lookup_url);
	}
	else
	{
		// Display names not available on this region
		LLAvatarNameCache::setNameLookupURL( std::string() );
	}

	// Error recovery - did we change state?
	if (had_capability != have_capability)
	{
		// name tags are persistant on screen, so make sure they refresh
		LLVOAvatar::invalidateNameTags();
	}

	LLAvatarNameCache::idle();
}

//
// Handle messages, and all message related stuff
//

#define TIME_THROTTLE_MESSAGES

#ifdef TIME_THROTTLE_MESSAGES
#define CHECK_MESSAGES_DEFAULT_MAX_TIME .020f // 50 ms = 50 fps (just for messages!)
static F32 CheckMessagesMaxTime = CHECK_MESSAGES_DEFAULT_MAX_TIME;
#endif

static LLTrace::BlockTimerStatHandle FTM_IDLE_NETWORK("Idle Network");
static LLTrace::BlockTimerStatHandle FTM_MESSAGE_ACKS("Message Acks");
static LLTrace::BlockTimerStatHandle FTM_RETRANSMIT("Retransmit");
static LLTrace::BlockTimerStatHandle FTM_TIMEOUT_CHECK("Timeout Check");
static LLTrace::BlockTimerStatHandle FTM_DYNAMIC_THROTTLE("Dynamic Throttle");
static LLTrace::BlockTimerStatHandle FTM_CHECK_REGION_CIRCUIT("Check Region Circuit");

void LLAppViewer::idleNetwork()
{
	pingMainloopTimeout("idleNetwork");
	
	gObjectList.mNumNewObjects = 0;
	S32 total_decoded = 0;

	if (!gSavedSettings.getBOOL("SpeedTest"))
	{
		LL_RECORD_BLOCK_TIME(FTM_IDLE_NETWORK); // decode
		
		LLTimer check_message_timer;
		//  Read all available packets from network 
		const S64 frame_count = gFrameCount;  // U32->S64
		F32 total_time = 0.0f;

		while (gMessageSystem->checkAllMessages(frame_count, gServicePump)) 
		{
			if (gDoDisconnect)
			{
				// We're disconnecting, don't process any more messages from the server
				// We're usually disconnecting due to either network corruption or a
				// server going down, so this is OK.
				break;
			}
			
			total_decoded++;
			gPacketsIn++;

			if (total_decoded > MESSAGE_MAX_PER_FRAME)
			{
				break;
			}

#ifdef TIME_THROTTLE_MESSAGES
			// Prevent slow packets from completely destroying the frame rate.
			// This usually happens due to clumps of avatars taking huge amount
			// of network processing time (which needs to be fixed, but this is
			// a good limit anyway).
			total_time = check_message_timer.getElapsedTimeF32();
			if (total_time >= CheckMessagesMaxTime)
				break;
#endif
		}

		// Handle per-frame message system processing.
		gMessageSystem->processAcks(gSavedSettings.getF32("AckCollectTime"));

#ifdef TIME_THROTTLE_MESSAGES
		if (total_time >= CheckMessagesMaxTime)
		{
			// Increase CheckMessagesMaxTime so that we will eventually catch up
			CheckMessagesMaxTime *= 1.035f; // 3.5% ~= x2 in 20 frames, ~8x in 60 frames
		}
		else
		{
			// Reset CheckMessagesMaxTime to default value
			CheckMessagesMaxTime = CHECK_MESSAGES_DEFAULT_MAX_TIME;
		}
#endif
		


		// we want to clear the control after sending out all necessary agent updates
		gAgent.resetControlFlags();
				
		// Decode enqueued messages...
		S32 remaining_possible_decodes = MESSAGE_MAX_PER_FRAME - total_decoded;

		if( remaining_possible_decodes <= 0 )
		{
			LL_INFOS() << "Maxed out number of messages per frame at " << MESSAGE_MAX_PER_FRAME << LL_ENDL;
		}

		if (gPrintMessagesThisFrame)
		{
			LL_INFOS() << "Decoded " << total_decoded << " msgs this frame!" << LL_ENDL;
			gPrintMessagesThisFrame = FALSE;
		}
	}
	add(LLStatViewer::NUM_NEW_OBJECTS, gObjectList.mNumNewObjects);

	// Retransmit unacknowledged packets.
	gXferManager->retransmitUnackedPackets();
	gAssetStorage->checkForTimeouts();
	gViewerThrottle.updateDynamicThrottle();

	// Check that the circuit between the viewer and the agent's current
	// region is still alive
	LLViewerRegion *agent_region = gAgent.getRegion();
	if (agent_region && (LLStartUp::getStartupState()==STATE_STARTED))
	{
		LLUUID this_region_id = agent_region->getRegionID();
		bool this_region_alive = agent_region->isAlive();
		if ((mAgentRegionLastAlive && !this_region_alive) // newly dead
		    && (mAgentRegionLastID == this_region_id)) // same region
		{
			forceDisconnect(LLTrans::getString("AgentLostConnection"));
		}
		mAgentRegionLastID = this_region_id;
		mAgentRegionLastAlive = this_region_alive;
	}
}

void LLAppViewer::disconnectViewer()
{
	if (gDisconnected)
	{
		return;
	}
	//
	// Cleanup after quitting.
	//	
	// Save snapshot for next time, if we made it through initialization

	LL_INFOS() << "Disconnecting viewer!" << LL_ENDL;

	// Dump our frame statistics

	// Remember if we were flying
	gSavedSettings.setBOOL("FlyingAtExit", gAgent.getFlying() );

	// Un-minimize all windows so they don't get saved minimized
	if (gFloaterView)
	{
		gFloaterView->restoreAll();
	}

	if (LLSelectMgr::getInstance())
	{
		LLSelectMgr::getInstance()->deselectAll();
	}

	// save inventory if appropriate
	gInventory.cache(gInventory.getRootFolderID(), gAgent.getID());
	if (gInventory.getLibraryRootFolderID().notNull()
		&& gInventory.getLibraryOwnerID().notNull())
	{
		gInventory.cache(
			gInventory.getLibraryRootFolderID(),
			gInventory.getLibraryOwnerID());
	}

	saveNameCache();
	if (LLExperienceCache::instanceExists())
	{
		// TODO: LLExperienceCache::cleanup() logic should be moved to
		// cleanupSingleton().
		LLExperienceCache::instance().cleanup();
	}

	// close inventory interface, close all windows
	LLSidepanelInventory::cleanup();

	gAgentWearables.cleanup();
	gAgentCamera.cleanup();
	// Also writes cached agent settings to gSavedSettings
	gAgent.cleanup();

	// This is where we used to call gObjectList.destroy() and then delete gWorldp.
	// Now we just ask the LLWorld singleton to cleanly shut down.
	if(LLWorld::instanceExists())
	{
		LLWorld::getInstance()->destroyClass();
	}
	LLVOCache::deleteSingleton();

	// call all self-registered classes
	LLDestroyClassList::instance().fireCallbacks();

	cleanup_xfer_manager();
	gDisconnected = TRUE;

	// Pass the connection state to LLUrlEntryParcel not to attempt
	// parcel info requests while disconnected.
	LLUrlEntryParcel::setDisconnected(gDisconnected);
}

void LLAppViewer::forceErrorLLError()
{
   	LL_ERRS() << "This is a deliberate llerror" << LL_ENDL;
}

void LLAppViewer::forceErrorBreakpoint()
{
   	LL_WARNS() << "Forcing a deliberate breakpoint" << LL_ENDL;
#ifdef LL_WINDOWS
    DebugBreak();
#endif
    return;
}

void LLAppViewer::forceErrorBadMemoryAccess()
{
   	LL_WARNS() << "Forcing a deliberate bad memory access" << LL_ENDL;
    S32* crash = NULL;
    *crash = 0xDEADBEEF;  
    return;
}

void LLAppViewer::forceErrorInfiniteLoop()
{
   	LL_WARNS() << "Forcing a deliberate infinite loop" << LL_ENDL;
    while(true)
    {
        ;
    }
    return;
}
 
void LLAppViewer::forceErrorSoftwareException()
{
   	LL_WARNS() << "Forcing a deliberate exception" << LL_ENDL;
    LLTHROW(LLException("User selected Force Software Exception"));
}

void LLAppViewer::forceErrorDriverCrash()
{
   	LL_WARNS() << "Forcing a deliberate driver crash" << LL_ENDL;
	glDeleteTextures(1, NULL);
}

void LLAppViewer::initMainloopTimeout(const std::string& state, F32 secs)
{
	if(!mMainloopTimeout)
	{
		mMainloopTimeout = new LLWatchdogTimeout();
		resumeMainloopTimeout(state, secs);
	}
}

void LLAppViewer::destroyMainloopTimeout()
{
	if(mMainloopTimeout)
	{
		delete mMainloopTimeout;
		mMainloopTimeout = NULL;
	}
}

void LLAppViewer::resumeMainloopTimeout(const std::string& state, F32 secs)
{
	if(mMainloopTimeout)
	{
		if(secs < 0.0f)
		{
			secs = gSavedSettings.getF32("MainloopTimeoutDefault");
		}
		
		mMainloopTimeout->setTimeout(secs);
		mMainloopTimeout->start(state);
	}
}

void LLAppViewer::pauseMainloopTimeout()
{
	if(mMainloopTimeout)
	{
		mMainloopTimeout->stop();
	}
}

void LLAppViewer::pingMainloopTimeout(const std::string& state, F32 secs)
{
//	if(!restoreErrorTrap())
//	{
//		LL_WARNS() << "!!!!!!!!!!!!! Its an error trap!!!!" << state << LL_ENDL;
//	}
	
	if(mMainloopTimeout)
	{
		if(secs < 0.0f)
		{
			secs = gSavedSettings.getF32("MainloopTimeoutDefault");
		}

		mMainloopTimeout->setTimeout(secs);
		mMainloopTimeout->ping(state);
	}
}

void LLAppViewer::handleLoginComplete()
{
	gLoggedInTime.start();
	initMainloopTimeout("Mainloop Init");

	// Store some data to DebugInfo in case of a freeze.
	gDebugInfo["ClientInfo"]["Name"] = LLVersionInfo::getChannel();

	gDebugInfo["ClientInfo"]["MajorVersion"] = LLVersionInfo::getMajor();
	gDebugInfo["ClientInfo"]["MinorVersion"] = LLVersionInfo::getMinor();
	gDebugInfo["ClientInfo"]["PatchVersion"] = LLVersionInfo::getPatch();
	gDebugInfo["ClientInfo"]["BuildVersion"] = LLVersionInfo::getBuild();

	LLParcel* parcel = LLViewerParcelMgr::getInstance()->getAgentParcel();
	if ( parcel && parcel->getMusicURL()[0])
	{
		gDebugInfo["ParcelMusicURL"] = parcel->getMusicURL();
	}	
	if ( parcel && parcel->getMediaURL()[0])
	{
		gDebugInfo["ParcelMediaURL"] = parcel->getMediaURL();
	}
	
	gDebugInfo["SettingsFilename"] = gSavedSettings.getString("ClientSettingsFile");
	gDebugInfo["CAFilename"] = gDirUtilp->getCAFile();
	gDebugInfo["ViewerExePath"] = gDirUtilp->getExecutablePathAndName();
	gDebugInfo["CurrentPath"] = gDirUtilp->getCurPath();

	if(gAgent.getRegion())
	{
		gDebugInfo["CurrentSimHost"] = gAgent.getRegionHost().getHostName();
		gDebugInfo["CurrentRegion"] = gAgent.getRegion()->getName();
	}

	if(LLAppViewer::instance()->mMainloopTimeout)
	{
		gDebugInfo["MainloopTimeoutState"] = LLAppViewer::instance()->mMainloopTimeout->getState();
	}

	mOnLoginCompleted();

	writeDebugInfo();

	// we logged in successfully, so save settings on logout
	LL_INFOS() << "Login successful, per account settings will be saved on log out." << LL_ENDL;
	mSavePerAccountSettings=true;
}

void LLAppViewer::launchUpdater()
{
		LLSD query_map = LLSD::emptyMap();
	query_map["os"] = gPlatform;

	// *TODO change userserver to be grid on both viewer and sim, since
	// userserver no longer exists.
	query_map["userserver"] = LLGridManager::getInstance()->getGridId();
	query_map["channel"] = LLVersionInfo::getChannel();
	// *TODO constantize this guy
	// *NOTE: This URL is also used in win_setup/lldownloader.cpp
	LLURI update_url = LLURI::buildHTTP("secondlife.com", 80, "update.php", query_map);
	
	if(LLAppViewer::sUpdaterInfo)
	{
		delete LLAppViewer::sUpdaterInfo;
	}
	LLAppViewer::sUpdaterInfo = new LLAppViewer::LLUpdaterInfo() ;

	// if a sim name was passed in via command line parameter (typically through a SLURL)
	if ( LLStartUp::getStartSLURL().getType() == LLSLURL::LOCATION )
	{
		// record the location to start at next time
		gSavedSettings.setString( "NextLoginLocation", LLStartUp::getStartSLURL().getSLURLString()); 
	};

#if LL_WINDOWS
	LLAppViewer::sUpdaterInfo->mUpdateExePath = gDirUtilp->getTempFilename();
	if (LLAppViewer::sUpdaterInfo->mUpdateExePath.empty())
	{
		delete LLAppViewer::sUpdaterInfo ;
		LLAppViewer::sUpdaterInfo = NULL ;

		// We're hosed, bail
		LL_WARNS("AppInit") << "LLDir::getTempFilename() failed" << LL_ENDL;
		return;
	}

	LLAppViewer::sUpdaterInfo->mUpdateExePath += ".exe";

	std::string updater_source = gDirUtilp->getAppRODataDir();
	updater_source += gDirUtilp->getDirDelimiter();
	updater_source += "updater.exe";

	LL_DEBUGS("AppInit") << "Calling CopyFile source: " << updater_source
			<< " dest: " << LLAppViewer::sUpdaterInfo->mUpdateExePath
			<< LL_ENDL;


	if (!CopyFileA(updater_source.c_str(), LLAppViewer::sUpdaterInfo->mUpdateExePath.c_str(), FALSE))
	{
		delete LLAppViewer::sUpdaterInfo ;
		LLAppViewer::sUpdaterInfo = NULL ;

		LL_WARNS("AppInit") << "Unable to copy the updater!" << LL_ENDL;

		return;
	}

	LLAppViewer::sUpdaterInfo->mParams << "-url \"" << update_url.asString() << "\"";

	LL_DEBUGS("AppInit") << "Calling updater: " << LLAppViewer::sUpdaterInfo->mUpdateExePath << " " << LLAppViewer::sUpdaterInfo->mParams.str() << LL_ENDL;

	//Explicitly remove the marker file, otherwise we pass the lock onto the child process and things get weird.
	LLAppViewer::instance()->removeMarkerFiles(); // In case updater fails

	// *NOTE:Mani The updater is spawned as the last thing before the WinMain exit.
	// see LLAppViewerWin32.cpp
	
#elif LL_DARWIN
	LLAppViewer::sUpdaterInfo->mUpdateExePath = "'";
	LLAppViewer::sUpdaterInfo->mUpdateExePath += gDirUtilp->getAppRODataDir();
	LLAppViewer::sUpdaterInfo->mUpdateExePath += "/mac-updater.app/Contents/MacOS/mac-updater' -url \"";
	LLAppViewer::sUpdaterInfo->mUpdateExePath += update_url.asString();
	LLAppViewer::sUpdaterInfo->mUpdateExePath += "\" -name \"";
	LLAppViewer::sUpdaterInfo->mUpdateExePath += LLAppViewer::instance()->getSecondLifeTitle();
	LLAppViewer::sUpdaterInfo->mUpdateExePath += "\" -bundleid \"";
	LLAppViewer::sUpdaterInfo->mUpdateExePath += LL_VERSION_BUNDLE_ID;
	LLAppViewer::sUpdaterInfo->mUpdateExePath += "\" &";

	LL_DEBUGS("AppInit") << "Calling updater: " << LLAppViewer::sUpdaterInfo->mUpdateExePath << LL_ENDL;

	// Run the auto-updater.
	system(LLAppViewer::sUpdaterInfo->mUpdateExePath.c_str()); /* Flawfinder: ignore */

#elif (LL_LINUX || LL_SOLARIS) && LL_GTK
	// we tell the updater where to find the xml containing string
	// translations which it can use for its own UI
	std::string xml_strings_file = "strings.xml";
	std::vector<std::string> xui_path_vec =
		gDirUtilp->findSkinnedFilenames(LLDir::XUI, xml_strings_file);
	std::string xml_search_paths;
	const char* delim = "";
	// build comma-delimited list of xml paths to pass to updater
	BOOST_FOREACH(std::string this_skin_path, xui_path_vec)
	{
		// Although we already have the full set of paths with the filename
		// appended, the linux-updater.bin command-line switches require us to
		// snip the filename OFF and pass it as a separate switch argument. :-P
		LL_INFOS() << "Got a XUI path: " << this_skin_path << LL_ENDL;
		xml_search_paths.append(delim);
		xml_search_paths.append(gDirUtilp->getDirName(this_skin_path));
		delim = ",";
	}
	// build the overall command-line to run the updater correctly
	LLAppViewer::sUpdaterInfo->mUpdateExePath = 
		gDirUtilp->getExecutableDir() + "/" + "linux-updater.bin" + 
		" --url \"" + update_url.asString() + "\"" +
		" --name \"" + LLAppViewer::instance()->getSecondLifeTitle() + "\"" +
		" --dest \"" + gDirUtilp->getAppRODataDir() + "\"" +
		" --stringsdir \"" + xml_search_paths + "\"" +
		" --stringsfile \"" + xml_strings_file + "\"";

	LL_INFOS("AppInit") << "Calling updater: " 
			    << LLAppViewer::sUpdaterInfo->mUpdateExePath << LL_ENDL;

	// *TODO: we could use the gdk equivalent to ensure the updater
	// gets started on the same screen.
	GError *error = NULL;
	if (!g_spawn_command_line_async(LLAppViewer::sUpdaterInfo->mUpdateExePath.c_str(), &error))
	{
		LL_ERRS() << "Failed to launch updater: "
		       << error->message
		       << LL_ENDL;
	}
	if (error) {
		g_error_free(error);
	}
#else
	OSMessageBox(LLTrans::getString("MBNoAutoUpdate"), LLStringUtil::null, OSMB_OK);
#endif

	// *REMOVE:Mani - Saving for reference...
	// LLAppViewer::instance()->forceQuit();
}

//virtual
void LLAppViewer::setMasterSystemAudioMute(bool mute)
{
	gSavedSettings.setBOOL("MuteAudio", mute);
}

//virtual
bool LLAppViewer::getMasterSystemAudioMute()
{
	return gSavedSettings.getBOOL("MuteAudio");
}

//----------------------------------------------------------------------------
// Metrics-related methods (static and otherwise)
//----------------------------------------------------------------------------

/**
 * LLViewerAssetStats collects data on a per-region (as defined by the agent's
 * location) so we need to tell it about region changes which become a kind of
 * hidden variable/global state in the collectors.  For collectors not running
 * on the main thread, we need to send a message to move the data over safely
 * and cheaply (amortized over a run).
 */
void LLAppViewer::metricsUpdateRegion(U64 region_handle)
{
	if (0 != region_handle)
	{
		LLViewerAssetStatsFF::set_region(region_handle);
	}
}

/**
 * Attempts to start a multi-threaded metrics report to be sent back to
 * the grid for consumption.
 */
void LLAppViewer::metricsSend(bool enable_reporting)
{
	if (! gViewerAssetStats)
		return;

	if (LLAppViewer::sTextureFetch)
	{
		LLViewerRegion * regionp = gAgent.getRegion();

		if (enable_reporting && regionp)
		{
			std::string	caps_url = regionp->getCapability("ViewerMetrics");

            if (gSavedSettings.getBOOL("QAModeMetrics"))
            {
                dump_sequential_xml("metric_asset_stats",gViewerAssetStats->asLLSD(true));
            }
            
			// Make a copy of the main stats to send into another thread.
			// Receiving thread takes ownership.
			LLViewerAssetStats * main_stats(new LLViewerAssetStats(*gViewerAssetStats));
			main_stats->stop();
			
			// Send a report request into 'thread1' to get the rest of the data
			// and provide some additional parameters while here.
			LLAppViewer::sTextureFetch->commandSendMetrics(caps_url,
														   gAgentSessionID,
														   gAgentID,
														   main_stats);
			main_stats = 0;		// Ownership transferred
		}
		else
		{
			LLAppViewer::sTextureFetch->commandDataBreak();
		}
	}

	// Reset even if we can't report.  Rather than gather up a huge chunk of
	// data, we'll keep to our sampling interval and retain the data
	// resolution in time.
	gViewerAssetStats->restart();
}