summaryrefslogtreecommitdiff
path: root/indra/llcrashlogger/llcrashlogger.cpp
blob: bb603d3d7fdafec1dc1901ac9766b007ca9e9dee (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
 /** 
* @file llcrashlogger.cpp
* @brief Crash logger implementation
*
* $LicenseInfo:firstyear=2003&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, 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 <cstdio>
#include <cstdlib>
#include <sstream>
#include <map>

#include "llcrashlogger.h"
#include "llcrashlock.h"
#include "linden_common.h"
#include "llstring.h"
#include "indra_constants.h"	// CRASH_BEHAVIOR_...
#include "llerror.h"
#include "llerrorcontrol.h"
#include "lltimer.h"
#include "lldir.h"
#include "llfile.h"
#include "llsdserialize.h"
#include "llproxy.h"
#include "llcorehttputil.h"
#include "llhttpsdhandler.h"
#include "httpcommon.h"
#include "httpresponse.h"
#include "llcleanup.h"

#include <curl/curl.h>
#include <openssl/crypto.h>

BOOL gBreak = false;
BOOL gSent = false;

int LLCrashLogger::ssl_mutex_count = 0;
LLCoreInt::HttpMutex ** LLCrashLogger::ssl_mutex_list = NULL;

#define CRASH_UPLOAD_RETRIES 3 /* seconds */
#define CRASH_UPLOAD_TIMEOUT 180 /* seconds */

class LLCrashLoggerHandler : public LLHttpSDHandler
{
    LOG_CLASS(LLCrashLoggerHandler);
public:
    LLCrashLoggerHandler() {}

protected:
    virtual void onSuccess(LLCore::HttpResponse * response, const LLSD &content);
    virtual void onFailure(LLCore::HttpResponse * response, LLCore::HttpStatus status);

};

void LLCrashLoggerHandler::onSuccess(LLCore::HttpResponse * response, const LLSD &content)
{
    LL_DEBUGS("CRASHREPORT") << "Request to " << response->getRequestURL() << "succeeded" << LL_ENDL;
    gBreak = true;
    gSent = true;
}

void LLCrashLoggerHandler::onFailure(LLCore::HttpResponse * response, LLCore::HttpStatus status)
{
    LL_WARNS("CRASHREPORT") << "Request to " << response->getRequestURL()
                            << " failed: " << status.toString() << LL_ENDL;
    gBreak = true;
}

LLCrashLogger::LLCrashLogger() :
	mCrashBehavior(CRASH_BEHAVIOR_ALWAYS_SEND),
	mCrashInPreviousExec(false),
	mCrashSettings("CrashSettings"),
	mSentCrashLogs(false),
	mCrashHost("")
{
}

LLCrashLogger::~LLCrashLogger()
{

}

// TRIM_SIZE must remain larger than LINE_SEARCH_SIZE.
const int TRIM_SIZE = 128000;
const int LINE_SEARCH_DIST = 500;
const std::string SKIP_TEXT = "\n ...Skipping... \n";
void trimSLLog(std::string& sllog)
{
	if(sllog.length() > TRIM_SIZE * 2)
	{
		std::string::iterator head = sllog.begin() + TRIM_SIZE;
		std::string::iterator tail = sllog.begin() + sllog.length() - TRIM_SIZE;
		std::string::iterator new_head = std::find(head, head - LINE_SEARCH_DIST, '\n');
		if(new_head != head - LINE_SEARCH_DIST)
		{
			head = new_head;
		}

		std::string::iterator new_tail = std::find(tail, tail + LINE_SEARCH_DIST, '\n');
		if(new_tail != tail + LINE_SEARCH_DIST)
		{
			tail = new_tail;
		}

		sllog.erase(head, tail);
		sllog.insert(head, SKIP_TEXT.begin(), SKIP_TEXT.end());
	}
}

std::string getStartupStateFromLog(std::string& sllog)
{
	std::string startup_state = "STATE_FIRST";
	std::string startup_token = "Startup state changing from ";

	int index = sllog.rfind(startup_token);
	if (index < 0 || index + startup_token.length() > sllog.length()) {
		return startup_state;
	}

	// find new line
	char cur_char = sllog[index + startup_token.length()];
	std::string::size_type newline_loc = index + startup_token.length();
	while(cur_char != '\n' && newline_loc < sllog.length())
	{
		newline_loc++;
		cur_char = sllog[newline_loc];
	}
	
	// get substring and find location of " to "
	std::string state_line = sllog.substr(index, newline_loc - index);
	std::string::size_type state_index = state_line.find(" to ");
	startup_state = state_line.substr(state_index + 4, state_line.length() - state_index - 4);

	return startup_state;
}

bool LLCrashLogger::readFromXML(LLSD& dest, const std::string& filename )
{
	std::string db_file_name = gDirUtilp->getExpandedFilename(LL_PATH_DUMP,filename);
	llifstream log_file(db_file_name.c_str());

	// Look for it in the given file
	if (log_file.is_open())
	{
		LLSDSerialize::fromXML(dest, log_file);
        log_file.close();
        return true;
    }
    else
    {
        LL_WARNS("CRASHREPORT") << "Failed to open " << db_file_name << LL_ENDL;
    }
    return false;
}

void LLCrashLogger::mergeLogs( LLSD src_sd )
{
    LLSD::map_iterator iter = src_sd.beginMap();
	LLSD::map_iterator end = src_sd.endMap();
	for( ; iter != end; ++iter)
    {
        mDebugLog[iter->first] = iter->second;
    }
}

bool LLCrashLogger::readMinidump(std::string minidump_path)
{
	size_t length=0;

	llifstream minidump_stream(minidump_path.c_str(), std::ios_base::in | std::ios_base::binary);
	if(minidump_stream.is_open())
	{
		minidump_stream.seekg(0, std::ios::end);
		length = (size_t)minidump_stream.tellg();
        LL_WARNS("CRASHREPORT") << "minidump length "<< length <<LL_ENDL;
		minidump_stream.seekg(0, std::ios::beg);
		
		LLSD::Binary data;
		data.resize(length);
		
		minidump_stream.read(reinterpret_cast<char *>(&(data[0])),length);
		minidump_stream.close();
		
		mCrashInfo["Minidump"] = data;
	}
    else
    {
        LL_WARNS("CRASHREPORT") << "failed to open minidump "<<minidump_path<<LL_ENDL;
    }
    
	return (length>0?true:false);
}

void LLCrashLogger::gatherFiles()
{
	updateApplication("Gathering logs...");

    LLSD static_sd;
    LLSD dynamic_sd;
    //if we ever want to change the endpoint we send crashes to
    //we can construct a file download ( a la feature table filename for example)
    //containing the new endpoint
    LLSD endpoint;
    std::string grid;
    std::string fqdn;
    
    bool has_logs = readFromXML( static_sd, "static_debug_info.log" );
    has_logs |= readFromXML( dynamic_sd, "dynamic_debug_info.log" );

    
    if ( has_logs )
    {
        mDebugLog = static_sd;
        mergeLogs(dynamic_sd);
		mCrashInPreviousExec = mDebugLog["CrashNotHandled"].asBoolean();

		mFileMap["SecondLifeLog"] = mDebugLog["SLLog"].asString();
		mFileMap["SettingsXml"] = mDebugLog["SettingsFilename"].asString();
        mFileMap["CrashHostUrl"] = loadCrashURLSetting();
		if(mDebugLog.has("CAFilename"))
		{
            LLCore::HttpRequest::setStaticPolicyOption(LLCore::HttpRequest::PO_CA_FILE,
                LLCore::HttpRequest::GLOBAL_POLICY_ID, mDebugLog["CAFilename"].asString(), NULL);
		}
		else
		{
            LLCore::HttpRequest::setStaticPolicyOption(LLCore::HttpRequest::PO_CA_FILE,
                LLCore::HttpRequest::GLOBAL_POLICY_ID, gDirUtilp->getCAFile(), NULL);
		}

		LL_INFOS("CRASHREPORT") << "Using log file from debug log " << mFileMap["SecondLifeLog"] << LL_ENDL;
		LL_INFOS("CRASHREPORT") << "Using settings file from debug log " << mFileMap["SettingsXml"] << LL_ENDL;
	}
	else
	{
		// Figure out the filename of the second life log
        LLCore::HttpRequest::setStaticPolicyOption(LLCore::HttpRequest::PO_CA_FILE,
            LLCore::HttpRequest::GLOBAL_POLICY_ID, gDirUtilp->getCAFile(), NULL);
        
		mFileMap["SecondLifeLog"] = gDirUtilp->getExpandedFilename(LL_PATH_DUMP,"SecondLife.log");
        mFileMap["SettingsXml"] = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS,"settings.xml");
	}

    if (!gDirUtilp->fileExists(mFileMap["SecondLifeLog"]) ) //We would prefer to get this from the per-run but here's our fallback.
    {
        mFileMap["SecondLifeLog"] = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,"SecondLife.old");
    }

	gatherPlatformSpecificFiles();


    if ( has_logs && (mFileMap["CrashHostUrl"] != "") )
    {
        mCrashHost = mFileMap["CrashHostUrl"];
    }

	//default to agni, per product
	mAltCrashHost = "http://viewercrashreport.agni.lindenlab.com/cgi-bin/viewercrashreceiver.py";

	mCrashInfo["DebugLog"] = mDebugLog;
	mFileMap["StatsLog"] = gDirUtilp->getExpandedFilename(LL_PATH_DUMP,"stats.log");
	
	updateApplication("Encoding files...");

	for(std::map<std::string, std::string>::iterator itr = mFileMap.begin(); itr != mFileMap.end(); ++itr)
	{
        std::string file = (*itr).second;
        if (!file.empty())
        {
            LL_DEBUGS("CRASHREPORT") << "trying to read " << itr->first << ": " << file << LL_ENDL;
            llifstream f(file.c_str());
            if(f.is_open())
            {
                std::stringstream s;
                s << f.rdbuf();

                std::string crash_info = s.str();
                if(itr->first == "SecondLifeLog")
                {
                    if(!mCrashInfo["DebugLog"].has("StartupState"))
                    {
                        mCrashInfo["DebugLog"]["StartupState"] = getStartupStateFromLog(crash_info);
                    }
                    trimSLLog(crash_info);
                }

                mCrashInfo[(*itr).first] = LLStringFn::strip_invalid_xml(rawstr_to_utf8(crash_info));
            }
            else
            {
                LL_WARNS("CRASHREPORT") << "Failed to open file " << file << LL_ENDL;
            }
        }
        else
        {
            LL_DEBUGS("CRASHREPORT") << "empty file in list for " << itr->first << LL_ENDL;
        }
	}
	
	std::string minidump_path;
	// Add minidump as binary.
    bool has_minidump = mDebugLog.has("MinidumpPath");
    
	if (has_minidump)
	{
		minidump_path = mDebugLog["MinidumpPath"].asString();
		has_minidump = readMinidump(minidump_path);
	}
    else
    {
        LL_WARNS("CRASHREPORT") << "DebugLog does not have MinidumpPath" << LL_ENDL;
    }

    if (!has_minidump)  //Viewer was probably so hosed it couldn't write remaining data.  Try brute force.
    {
        //Look for a filename at least 30 characters long in the dump dir which contains the characters MDMP as the first 4 characters in the file.
        typedef std::vector<std::string> vec;
        std::string pathname = gDirUtilp->getExpandedFilename(LL_PATH_DUMP,"");
        LL_WARNS("CRASHREPORT") << "Searching for minidump in " << pathname << LL_ENDL;
        vec file_vec = gDirUtilp->getFilesInDir(pathname);
        for(vec::const_iterator iter=file_vec.begin(); !has_minidump && iter!=file_vec.end(); ++iter)
        {
            if ( ( iter->length() > 30 ) && (iter->rfind(".dmp") == (iter->length()-4) ) )
            {
                std::string fullname = pathname + *iter;
                llifstream fdat(fullname.c_str(), std::ifstream::binary);
                if (fdat)
                {
                    char buf[5];
                    fdat.read(buf,4);
                    fdat.close();  
                    if (!strncmp(buf,"MDMP",4))
                    {
                        minidump_path = *iter;
                        has_minidump = readMinidump(fullname);
						mDebugLog["MinidumpPath"] = fullname;
                    }
                    else
                    {
                        LL_DEBUGS("CRASHREPORT") << "MDMP not found in " << fullname << LL_ENDL;
                    }
                }
                else
                {
                    LL_DEBUGS("CRASHREPORT") << "failed to open " << fullname << LL_ENDL;
                }
            }
            else
            {
                LL_DEBUGS("CRASHREPORT") << "Name does not match minidump name pattern " << *iter << LL_ENDL;
            }            
        }
    }
    else
    {
        LL_WARNS("CRASHREPORT") << "readMinidump returned no minidump" << LL_ENDL;
    }
}

LLSD LLCrashLogger::constructPostData()
{
	return mCrashInfo;
}

const char* const CRASH_SETTINGS_FILE = "settings_crash_behavior.xml";

std::string LLCrashLogger::loadCrashURLSetting()
{

	// First check user_settings (in the user's home dir)
	std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, CRASH_SETTINGS_FILE);
	if (! mCrashSettings.loadFromFile(filename))
	{
		// Next check app_settings (in the SL program dir)
		std::string filename = gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, CRASH_SETTINGS_FILE);
		mCrashSettings.loadFromFile(filename);
	}

    if (! mCrashSettings.controlExists("CrashHostUrl"))
    {
        return "";
    }
    else
    {
        return mCrashSettings.getString("CrashHostUrl");
    }
}

bool LLCrashLogger::runCrashLogPost(std::string host, LLSD data, std::string msg, int retries, int timeout)
{
    LLCore::HttpRequest::ptr_t httpRequest(new LLCore::HttpRequest);
    LLCore::HttpOptions::ptr_t httpOpts(new LLCore::HttpOptions);

    httpOpts->setTimeout(timeout);
    httpOpts->setSSLVerifyPeer(false);

	for(int i = 0; i < retries; ++i)
	{
		updateApplication(llformat("%s, try %d...", msg.c_str(), i+1));

        LL_INFOS("CRASHREPORT") << "POST crash data to " << host << LL_ENDL;
        LLCore::HttpHandle handle = LLCoreHttpUtil::requestPostWithLLSD(httpRequest.get(), LLCore::HttpRequest::DEFAULT_POLICY_ID,
            host, data, httpOpts, LLCore::HttpHeaders::ptr_t(), LLCore::HttpHandler::ptr_t(new LLCrashLoggerHandler));

        if (handle == LLCORE_HTTP_HANDLE_INVALID)
        {
            LLCore::HttpStatus status = httpRequest->getStatus();
            LL_WARNS("CRASHREPORT") << "Request POST failed to " << host << " with status of [" <<
                status.getType() << "]\"" << status.toString() << "\"" << LL_ENDL;
            return false;
        }

        while(!gBreak)
        {
            ms_sleep(250);
            updateApplication(); // No new message, just pump the IO
            httpRequest->update(0L);
        }
		if(gSent)
		{
			return gSent;
		}

        LL_WARNS("CRASHREPORT") << "Failed to send crash report to \"" << host << "\"" << LL_ENDL;
	}
	return gSent;
}

bool LLCrashLogger::sendCrashLog(std::string dump_dir)
{

    gDirUtilp->setDumpDir( dump_dir );
    
    std::string dump_path = gDirUtilp->getExpandedFilename(LL_PATH_LOGS,
                                                           "SecondLifeCrashReport");
    std::string report_file = dump_path + ".log";

    LL_DEBUGS("CRASHREPORT") << "sending " << report_file << LL_ENDL;

	gatherFiles();
    
	LLSD post_data;
	post_data = constructPostData();
    
	updateApplication("Sending reports...");

	llofstream out_file(report_file.c_str());
	LLSDSerialize::toPrettyXML(post_data, out_file);
    out_file.flush();
	out_file.close();
    
	bool sent = false;
    
    if(mCrashHost != "")
	{
        LL_WARNS("CRASHREPORT") << "Sending crash data to server from CrashHostUrl '" << mCrashHost << "'" << LL_ENDL;
        
        std::string msg = "Using override crash server... ";
        msg = msg+mCrashHost.c_str();
        updateApplication(msg.c_str());
        
		sent = runCrashLogPost(mCrashHost, post_data, std::string("Sending to server"), CRASH_UPLOAD_RETRIES, CRASH_UPLOAD_TIMEOUT);
	}
    
	if(!sent)
	{
        updateApplication("Using default server...");
		sent = runCrashLogPost(mAltCrashHost, post_data, std::string("Sending to default server"), CRASH_UPLOAD_RETRIES, CRASH_UPLOAD_TIMEOUT);
	}
    
	mSentCrashLogs = sent;
    
	return sent;
}

bool LLCrashLogger::sendCrashLogs()
{
    LLSD locks = mKeyMaster.getProcessList();
    LLSD newlocks = LLSD::emptyArray();

	LLSD opts = getOptionData(PRIORITY_COMMAND_LINE);
    LLSD rec;

	if ( opts.has("pid") && opts.has("dumpdir") && opts.has("procname") )
    {
        rec["pid"]=opts["pid"];
        rec["dumpdir"]=opts["dumpdir"];
        rec["procname"]=opts["procname"];
    }
	
    if (locks.isArray())
    {
        for (LLSD::array_iterator lock=locks.beginArray();
             lock !=locks.endArray();
             ++lock)
        {
            if ( (*lock).has("pid") && (*lock).has("dumpdir") && (*lock).has("procname") )
            {
                if ( mKeyMaster.isProcessAlive( (*lock)["pid"].asInteger(), (*lock)["procname"].asString() ) )
                {
                    newlocks.append(*lock);
                }
                else
                {
					//TODO:  This is a hack but I didn't want to include boost in another file or retest everything related to lldir 
                    if (LLCrashLock::fileExists((*lock)["dumpdir"].asString()))
                    {
                        //the viewer cleans up the log directory on clean shutdown
                        //but is ignorant of the locking table. 
                        if (!sendCrashLog((*lock)["dumpdir"].asString()))
                        {
                            newlocks.append(*lock);    //Failed to send log so don't delete it.
                        }
                        else
                        {
                            mKeyMaster.cleanupProcess((*lock)["dumpdir"].asString());
                        }
                    }
				}
            }
            else
            {
                LL_INFOS() << "Discarding corrupted entry from lock table." << LL_ENDL;
            }
        }
    }

    if (rec)
    {
        newlocks.append(rec);
    }
    
    mKeyMaster.putProcessList(newlocks);
    return true;
}

void LLCrashLogger::updateApplication(const std::string& message)
{
	if (!message.empty()) LL_INFOS("CRASHREPORT") << message << LL_ENDL;
}

bool LLCrashLogger::init()
{
    LL_DEBUGS("CRASHREPORT") << LL_ENDL;
    
    LLCore::LLHttp::initialize();

	// We assume that all the logs we're looking for reside on the current drive
	gDirUtilp->initAppDirs("SecondLife");

	LLError::initForApplication(gDirUtilp->getExpandedFilename(LL_PATH_USER_SETTINGS, ""), gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, ""));

	// Default to the product name "Second Life" (this is overridden by the -name argument)
	mProductName = "Second Life";

	// Rename current log file to ".old"
	std::string old_log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "crashreport.log.old");
	std::string log_file = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "crashreport.log");

#if LL_WINDOWS
	LLAPRFile::remove(old_log_file);
#endif 

	LLFile::rename(log_file.c_str(), old_log_file.c_str());
    
	// Set the log file to crashreport.log
	LLError::logToFile(log_file);  //NOTE:  Until this line, LL_INFOS LL_WARNS, etc are blown to the ether. 

    LL_INFOS("CRASHREPORT") << "Crash reporter file rotation complete." << LL_ENDL;

    // Handle locking
    bool locked = mKeyMaster.requestMaster();  //Request master locking file.  wait time is defaulted to 300S
    
    while (!locked && mKeyMaster.isWaiting())
    {
		LL_INFOS("CRASHREPORT") << "Waiting for lock." << LL_ENDL;
#if LL_WINDOWS
		Sleep(1000);
#else
        ::sleep(1);
#endif 
        locked = mKeyMaster.checkMaster();
    }
    
    if (!locked)
    {
        LL_WARNS("CRASHREPORT") << "Unable to get master lock.  Another crash reporter may be hung." << LL_ENDL;
        return false;
    }

    mCrashSettings.declareS32("CrashSubmitBehavior", CRASH_BEHAVIOR_ALWAYS_SEND,
							  "Controls behavior when viewer crashes "
							  "(0 = ask before sending crash report, "
							  "1 = always send crash report, "
							  "2 = never send crash report)");
    
    init_curl();
    LLCore::HttpRequest::createService();
    LLCore::HttpRequest::startThread();

	return true;
}

// For cleanup code common to all platforms.
void LLCrashLogger::commonCleanup()
{
    term_curl();
	LLError::logToFile("");   //close crashreport.log
	SUBSYSTEM_CLEANUP(LLProxy);
}

void LLCrashLogger::init_curl()
{
    curl_global_init(CURL_GLOBAL_ALL);

    ssl_mutex_count = CRYPTO_num_locks();
    if (ssl_mutex_count > 0)
    {
        ssl_mutex_list = new LLCoreInt::HttpMutex *[ssl_mutex_count];

        for (int i(0); i < ssl_mutex_count; ++i)
        {
            ssl_mutex_list[i] = new LLCoreInt::HttpMutex;
        }

        CRYPTO_set_locking_callback(ssl_locking_callback);
        CRYPTO_THREADID_set_callback(ssl_thread_id_callback);
    }
}


void LLCrashLogger::term_curl()
{
    CRYPTO_set_locking_callback(NULL);
    for (int i(0); i < ssl_mutex_count; ++i)
    {
        delete ssl_mutex_list[i];
    }
    delete[] ssl_mutex_list;
}


void LLCrashLogger::ssl_thread_id_callback(CRYPTO_THREADID* pthreadid)
{
#if LL_WINDOWS
    CRYPTO_THREADID_set_pointer(pthreadid, GetCurrentThread());
#else
    CRYPTO_THREADID_set_pointer(pthreadid, reinterpret_cast<void*>(pthread_self()));
#endif
}


void LLCrashLogger::ssl_locking_callback(int mode, int type, const char * /* file */, int /* line */)
{
    if (type >= 0 && type < ssl_mutex_count)
    {
        if (mode & CRYPTO_LOCK)
        {
            ssl_mutex_list[type]->lock();
        }
        else
        {
            ssl_mutex_list[type]->unlock();
        }
    }
}