summaryrefslogtreecommitdiff
path: root/indra/newview/llappviewerlinux.cpp
blob: 869565216864d5c81633d6e3e8ebf3079f47cb4c (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
/**
 * @file llappviewerlinux.cpp
 * @brief The LLAppViewerLinux class definitions
 *
 * $LicenseInfo:firstyear=2007&license=viewerlgpl$
 * 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 "llviewerprecompiledheaders.h"

#include "llappviewerlinux.h"

#include "llcommandlineparser.h"

#include "lldiriterator.h"
#include "llurldispatcher.h"		// SLURL from other app instance
#include "llviewernetwork.h"
#include "llviewercontrol.h"
#include "llwindowsdl.h"
#include "llmd5.h"
#include "llfindlocale.h"

#include <exception>

#if LL_DBUS_ENABLED
# include "llappviewerlinux_api_dbus.h"

// regrettable hacks to give us better runtime compatibility with older systems inside llappviewerlinux_api.h:
#define llg_return_if_fail(COND) do{if (!(COND)) return;}while(0)
#undef g_return_if_fail
#define g_return_if_fail(COND) llg_return_if_fail(COND)
// The generated API
# include "llappviewerlinux_api.h"
#endif

namespace
{
	int gArgC = 0;
	char **gArgV = NULL;
	void (*gOldTerminateHandler)() = NULL;
}

static void exceptionTerminateHandler()
{
	// reinstall default terminate() handler in case we re-terminate.
	if (gOldTerminateHandler) std::set_terminate(gOldTerminateHandler);
	// treat this like a regular viewer crash, with nice stacktrace etc.
	LLAppViewer::handleViewerCrash();
	// we've probably been killed-off before now, but...
	gOldTerminateHandler(); // call old terminate() handler
}

int main( int argc, char **argv ) 
{
#if LL_SOLARIS && defined(__sparc)
	asm ("ta\t6");		 // NOTE:  Make sure memory alignment is enforced on SPARC
#endif

	gArgC = argc;
	gArgV = argv;

	LLAppViewer* viewer_app_ptr = new LLAppViewerLinux();

	// install unexpected exception handler
	gOldTerminateHandler = std::set_terminate(exceptionTerminateHandler);
	// install crash handlers
	viewer_app_ptr->setErrorHandler(LLAppViewer::handleViewerCrash);

	bool ok = viewer_app_ptr->init();
	if(!ok)
	{
		llwarns << "Application init failed." << llendl;
		return -1;
	}

		// Run the application main loop
	if(!LLApp::isQuitting()) 
	{
		viewer_app_ptr->mainLoop();
	}

	if (!LLApp::isError())
	{
		//
		// We don't want to do cleanup here if the error handler got called -
		// the assumption is that the error handler is responsible for doing
		// app cleanup if there was a problem.
		//
		viewer_app_ptr->cleanup();
	}
	delete viewer_app_ptr;
	viewer_app_ptr = NULL;
	return 0;
}

LLAppViewerLinux::LLAppViewerLinux()
{
}

LLAppViewerLinux::~LLAppViewerLinux()
{
}

bool LLAppViewerLinux::init()
{
	// g_thread_init() must be called before *any* use of glib, *and*
	// before any mutexes are held, *and* some of our third-party
	// libraries likes to use glib functions; in short, do this here
	// really early in app startup!
	if (!g_thread_supported ()) g_thread_init (NULL);
	
	return LLAppViewer::init();
}

bool LLAppViewerLinux::restoreErrorTrap()
{
	// *NOTE:Mani there is a case for implementing this on the mac.
	// Linux doesn't need it to my knowledge.
	return true;
}

/////////////////////////////////////////
#if LL_DBUS_ENABLED

typedef struct
{
        GObjectClass parent_class;
} ViewerAppAPIClass;

static void viewerappapi_init(ViewerAppAPI *server);
static void viewerappapi_class_init(ViewerAppAPIClass *klass);

///

// regrettable hacks to give us better runtime compatibility with older systems in general
static GType llg_type_register_static_simple_ONCE(GType parent_type,
						  const gchar *type_name,
						  guint class_size,
						  GClassInitFunc class_init,
						  guint instance_size,
						  GInstanceInitFunc instance_init,
						  GTypeFlags flags)
{
	static GTypeInfo type_info;
	memset(&type_info, 0, sizeof(type_info));

	type_info.class_size = class_size;
	type_info.class_init = class_init;
	type_info.instance_size = instance_size;
	type_info.instance_init = instance_init;

	return g_type_register_static(parent_type, type_name, &type_info, flags);
}
#define llg_intern_static_string(S) (S)
#define g_intern_static_string(S) llg_intern_static_string(S)
#define g_type_register_static_simple(parent_type, type_name, class_size, class_init, instance_size, instance_init, flags) llg_type_register_static_simple_ONCE(parent_type, type_name, class_size, class_init, instance_size, instance_init, flags)

G_DEFINE_TYPE(ViewerAppAPI, viewerappapi, G_TYPE_OBJECT);

void viewerappapi_class_init(ViewerAppAPIClass *klass)
{
}

static bool dbus_server_init = false;

void viewerappapi_init(ViewerAppAPI *server)
{
	// Connect to the default DBUS, register our service/API.

	if (!dbus_server_init)
	{
		GError *error = NULL;
		
		server->connection = lldbus_g_bus_get(DBUS_BUS_SESSION, &error);
		if (server->connection)
		{
			lldbus_g_object_type_install_info(viewerappapi_get_type(), &dbus_glib_viewerapp_object_info);
			
			lldbus_g_connection_register_g_object(server->connection, VIEWERAPI_PATH, G_OBJECT(server));
			
			DBusGProxy *serverproxy = lldbus_g_proxy_new_for_name(server->connection, DBUS_SERVICE_DBUS, DBUS_PATH_DBUS, DBUS_INTERFACE_DBUS);

			guint request_name_ret_unused;
			// akin to org_freedesktop_DBus_request_name
			if (lldbus_g_proxy_call(serverproxy, "RequestName", &error, G_TYPE_STRING, VIEWERAPI_SERVICE, G_TYPE_UINT, 0, G_TYPE_INVALID, G_TYPE_UINT, &request_name_ret_unused, G_TYPE_INVALID))
			{
				// total success.
				dbus_server_init = true;
			}
			else 
			{
				llwarns << "Unable to register service name: " << error->message << llendl;
			}
	
			g_object_unref(serverproxy);
		}
		else
		{
			g_warning("Unable to connect to dbus: %s", error->message);
		}

		if (error)
			g_error_free(error);
	}
}

gboolean viewer_app_api_GoSLURL(ViewerAppAPI *obj, gchar *slurl, gboolean **success_rtn, GError **error)
{
	bool success = false;

	llinfos << "Was asked to go to slurl: " << slurl << llendl;

	std::string url = slurl;
	LLMediaCtrl* web = NULL;
	const bool trusted_browser = false;
	if (LLURLDispatcher::dispatch(url, "", web, trusted_browser))
	{
		// bring window to foreground, as it has just been "launched" from a URL
		// todo: hmm, how to get there from here?
		//xxx->mWindow->bringToFront();
		success = true;
	}		

	*success_rtn = g_new (gboolean, 1);
	(*success_rtn)[0] = (gboolean)success;

	return TRUE; // the invokation succeeded, even if the actual dispatch didn't.
}

///

//virtual
bool LLAppViewerLinux::initSLURLHandler()
{
	if (!grab_dbus_syms(DBUSGLIB_DYLIB_DEFAULT_NAME))
	{
		return false; // failed
	}

	g_type_init();

	//ViewerAppAPI *api_server = (ViewerAppAPI*)
	g_object_new(viewerappapi_get_type(), NULL);

	return true;
}

//virtual
bool LLAppViewerLinux::sendURLToOtherInstance(const std::string& url)
{
	if (!grab_dbus_syms(DBUSGLIB_DYLIB_DEFAULT_NAME))
	{
		return false; // failed
	}

	bool success = false;
	DBusGConnection *bus;
	GError *error = NULL;

	g_type_init();
	
	bus = lldbus_g_bus_get (DBUS_BUS_SESSION, &error);
	if (bus)
	{
		gboolean rtn = FALSE;
		DBusGProxy *remote_object =
			lldbus_g_proxy_new_for_name(bus, VIEWERAPI_SERVICE, VIEWERAPI_PATH, VIEWERAPI_INTERFACE);

		if (lldbus_g_proxy_call(remote_object, "GoSLURL", &error,
					G_TYPE_STRING, url.c_str(), G_TYPE_INVALID,
				       G_TYPE_BOOLEAN, &rtn, G_TYPE_INVALID))
		{
			success = rtn;
		}
		else
		{
			llinfos << "Call-out to other instance failed (perhaps not running): " << error->message << llendl;
		}

		g_object_unref(G_OBJECT(remote_object));
	}
	else
	{
		llwarns << "Couldn't connect to session bus: " << error->message << llendl;
	}

	if (error)
		g_error_free(error);
	
	return success;
}

#else // LL_DBUS_ENABLED
bool LLAppViewerLinux::initSLURLHandler()
{
	return false; // not implemented without dbus
}
bool LLAppViewerLinux::sendURLToOtherInstance(const std::string& url)
{
	return false; // not implemented without dbus
}
#endif // LL_DBUS_ENABLED

void LLAppViewerLinux::handleCrashReporting(bool reportFreeze)
{
	std::string cmd =gDirUtilp->getExecutableDir();
	cmd += gDirUtilp->getDirDelimiter();
#if LL_LINUX
	cmd += "linux-crash-logger.bin";
#elif LL_SOLARIS
	cmd += "solaris-crash-logger";
#else
# error Unknown platform
#endif

	if(reportFreeze)
	{
		char* const cmdargv[] =
			{(char*)cmd.c_str(),
			 (char*)"-previous",
			 NULL};

		fflush(NULL); // flush all buffers before the child inherits them
		pid_t pid = fork();
		if (pid == 0)
		{ // child
			execv(cmd.c_str(), cmdargv);		/* Flawfinder: Ignore */
			llwarns << "execv failure when trying to start " << cmd << llendl;
			_exit(1); // avoid atexit()
		} else {
			if (pid > 0)
			{
				// wait for child proc to die
				int childExitStatus;
				waitpid(pid, &childExitStatus, 0);
			} else {
				llwarns << "fork failure." << llendl;
			}
		}
	}
	else
	{
		// launch the actual crash logger
		const char * cmdargv[] =
			{cmd.c_str(),
			 "-user",
			 (char*)LLGridManager::getInstance()->getGridId().c_str(),
			 "-name",
			 LLAppViewer::instance()->getSecondLifeTitle().c_str(),
			 NULL};
		fflush(NULL);
		pid_t pid = fork();
		if (pid == 0)
		{ // child
			execv(cmd.c_str(), (char* const*) cmdargv);		/* Flawfinder: ignore */
			llwarns << "execv failure when trying to start " << cmd << llendl;
			_exit(1); // avoid atexit()
		} 
		else
		{
			if (pid > 0)
			{
				// DO NOT wait for child proc to die; we want
				// the logger to outlive us while we quit to
				// free up the screen/keyboard/etc.
				////int childExitStatus;
				////waitpid(pid, &childExitStatus, 0);
			} 
			else
			{
				llwarns << "fork failure." << llendl;
			}
		}
		// Sometimes signals don't seem to quit the viewer.  Also, we may
		// have been called explicitly instead of from a signal handler.
		// Make sure we exit so as to not totally confuse the user.
		_exit(1); // avoid atexit(), else we may re-crash in dtors.
	}
}

bool LLAppViewerLinux::beingDebugged()
{
	static enum {unknown, no, yes} debugged = unknown;

#if LL_SOLARIS
	return debugged == no;	// BUG: fix this for Solaris
#else
	if (debugged == unknown)
	{
		pid_t ppid = getppid();
		char *name;
		int ret;

		ret = asprintf(&name, "/proc/%d/exe", ppid);
		if (ret != -1)
		{
			char buf[1024];
			ssize_t n;
			
			n = readlink(name, buf, sizeof(buf) - 1);
			if (n != -1)
			{
				char *base = strrchr(buf, '/');
				buf[n + 1] = '\0';
				if (base == NULL)
				{
					base = buf;
				} else {
					base += 1;
				}
				
				if (strcmp(base, "gdb") == 0)
				{
					debugged = yes;
				}
			}
			free(name);
		}
	}

	return debugged == yes;
#endif
}

bool LLAppViewerLinux::initLogging()
{
	// Remove the last stack trace, if any
	// This file is no longer created, since the move to Google Breakpad
	// The code is left here to clean out any old state in the log dir
	std::string old_stack_file =
		gDirUtilp->getExpandedFilename(LL_PATH_LOGS,"stack_trace.log");
	LLFile::remove(old_stack_file);

	return LLAppViewer::initLogging();
}

bool LLAppViewerLinux::initParseCommandLine(LLCommandLineParser& clp)
{
	if (!clp.parseCommandLine(gArgC, gArgV))
	{
		return false;
	}

	// Find the system language.
	FL_Locale *locale = NULL;
	FL_Success success = FL_FindLocale(&locale, FL_MESSAGES);
	if (success != 0)
	{
		if (success >= 2 && locale->lang) // confident!
		{
			LL_INFOS("AppInit") << "Language " << ll_safe_string(locale->lang) << LL_ENDL;
			LL_INFOS("AppInit") << "Location " << ll_safe_string(locale->country) << LL_ENDL;
			LL_INFOS("AppInit") << "Variant " << ll_safe_string(locale->variant) << LL_ENDL;

			LLControlVariable* c = gSavedSettings.getControl("SystemLanguage");
			if(c)
			{
				c->setValue(std::string(locale->lang), false);
			}
		}
	}
	FL_FreeLocale(&locale);

	return true;
}

std::string LLAppViewerLinux::generateSerialNumber()
{
	char serial_md5[MD5HEX_STR_SIZE];
	serial_md5[0] = 0;
	std::string best;
	std::string uuiddir("/dev/disk/by-uuid/");

	// trawl /dev/disk/by-uuid looking for a good-looking UUID to grab
	std::string this_name;

	LLDirIterator iter(uuiddir, "*");
	while (iter.next(this_name))
	{
		if (this_name.length() > best.length() ||
		    (this_name.length() == best.length() &&
		     this_name > best))
		{
			// longest (and secondarily alphabetically last) so far
			best = this_name;
		}
	}

	// we don't return the actual serial number, just a hash of it.
	LLMD5 md5( reinterpret_cast<const unsigned char*>(best.c_str()) );
	md5.hex_digest(serial_md5);

	return serial_md5;
}