/indra/newview/llappviewer.cpp

/** 
 * @file llappviewer.cpp
 * @brief The LLAppViewer 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 "llappviewer.h"

// Viewer includes
#include "llversioninfo.h"
#include "llversionviewer.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 "llagentwearables.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 "llares.h" 
#include "llcurl.h"
#include "llcalc.h"
#include "lltexturestats.h"
#include "lltexturestats.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 "llfirstuse.h"
#include "llrender.h"
#include "llteleporthistory.h"
#include "lltoast.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 "llweb.h"
#include "llsecondlifeurls.h"
#include "llupdaterservice.h"
#include "llcallfloater.h"

// Linden library includes
#include "llavatarnamecache.h"
#include "lldiriterator.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 "llnotificationmanager.h"
#include "llnotifications.h"
#include "llnotificationsutil.h"

// Third party library includes
#include <boost/bind.hpp>
#include <boost/foreach.hpp>



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

#include "llapr.h"
#include "apr_dso.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 "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 "llfloatersnapshot.h"
#include "llfloaterinventory.h"

// includes for idle() idleShutdown()
#include "llviewercontrol.h"
#include "lleventnotifier.h"
#include "llcallbacklist.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"

// *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
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;

LLSD gDebugInfo;

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

U64 gFrameTime = 0;
F32 gFrameTimeSeconds = 0.f;
F32 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
U64	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;

BOOL				gDisconnected = FALSE;

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

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

LLMemoryInfo gSysMemory;
U64 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 std::string MARKER_FILE_NAME("SecondLife.exec_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>
{
	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");
}

//----------------------------------------------------------------------------
// 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)
	{
		gAudiop->triggerSound(uuid, gAgent.getID(), 1.0f, LLAudioEngine::AUDIO_TYPE_UI);
	}
}

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");

	LLImageGL::sGlobalUseAnisotropic	= gSavedSettings.getBOOL("RenderAnisotropic");
	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::sMaxVisible				= (U32)gSavedSettings.getS32("RenderAvatarMaxVisible");
	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::sRenderDeferred			= gSavedSettings.getBOOL("RenderDeferred");
	LLVOAvatar::sUseImpostors			= gSavedSettings.getBOOL("RenderUseImpostors");
	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");
	gAuditTexture = gSavedSettings.getBOOL("AuditTexture");
}

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())
		{
			LLFastTimer::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; 

LLAppViewer::LLAppViewer() : 
	mMarkerFile(),
	mLogoutMarkerFile(NULL),
	mReportedCrash(false),
	mNumSessions(0),
	mPurgeCache(false),
	mPurgeOnExit(false),
	mSecondInstance(false),
	mSavedFinalSnapshot(false),
	mForceGraphicsDetail(false),
	mQuitRequested(false),
	mLogoutRequestSent(false),
	mYieldTime(-1),
	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)
{
	if(NULL != sInstance)
	{
		llerrs << "Oh no! An instance of LLAppViewer already exists! LLAppViewer is sort of like a singleton." << llendl;
	}

	setupErrorHandling();
	sInstance = this;
	gLoggedInTime.stop();
	
	LLLoginInstance::instance().setUpdaterService(mUpdater.get());
}

LLAppViewer::~LLAppViewer()
{
	delete mSettingsLocationList;

	LLLoginInstance::instance().setUpdaterService(0);
	
	destroyMainloopTimeout();

	// If we got to this destructor somehow, the app didn't hang.
	removeMarkerFile();
}

bool LLAppViewer::init()
{	
	//
	// Start of the application
	//
	// 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.
	//
	LLFastTimer::reset();

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

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

	initLogging();
	
	//
	// 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 ;

	//set the max heap size.
	initMaxHeapSize() ;

	LLPrivateMemoryPoolManager::initClass((BOOL)gSavedSettings.getBOOL("MemoryPrivatePoolEnabled"), (U32)gSavedSettings.getU32("MemoryPrivatePoolSize")) ;

	// write Google Breakpad minidump files to our log directory
	std::string logdir = gDirUtilp->getExpandedFilename(LL_PATH_LOGS, "");
	logdir += gDirUtilp->getDirDelimiter();
	setMiniDumpDir(logdir);

	// Although initLogging() 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 _exit()
		// rather than exit() because normal cleanup depends too much on
		// successful startup!
		LLError::setFatalFunction(boost::bind(_exit, rc));
	}

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

#if LL_RECORD_VIEWER_STATS
	LLViewerStatsRecorder::initClass();
#endif

    // *NOTE:Mani - LLCurl::initClass is not thread safe. 
    // Called before threads are created.
    LLCurl::initClass(gSavedSettings.getF32("CurlRequestTimeOut"), 
						gSavedSettings.getS32("CurlMaximumNumberOfHandles"), 
						gSavedSettings.getBOOL("CurlUseMultipleThreads"));
	LL_INFOS("InitInfo") << "LLCurl 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 (metrics_submode)
		{
			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,
		&LLUI::sGLScaleFactor);
	LL_INFOS("InitInfo") << "UI initialized." << LL_ENDL ;

	// Setup paths and LLTrans after LLUI::initClass has been called.
	LLUI::setupPaths();
	LLTransUtil::parseStrings("strings.xml", default_trans_args);
	LLTransUtil::parseLanguageStrings("language_settings.xml");

	// Setup notifications after LLUI::setupPaths() 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.

	// Statistics / debug timer initialization
	init_statistics();
	
	//
	// 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: " << LLCurl::getVersionString() << 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));
	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"));
		U64 minRAM = 0;
		minRAMString >> minRAM;
		minRAM = minRAM * 1024 * 1024;

		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 );
			}

		}
	}


	// 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");
	}
	LLHTTPClient::setCertVerifyCallback(secapiSSLCertVerifyCallback);


	gGLActive = FALSE;
	if (gSavedSettings.getBOOL("QAMode") && gSavedSettings.getS32("QAModeEventHostPort") > 0)
	{
		loadEventHostModule(gSavedSettings.getS32("QAModeEventHostPort"));
	}
	
	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();

	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")) ;
	F32 max_heap_size_gb = 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 LLFastTimer::DeclareTimer FTM_MESSAGES("System Messages");
static LLFastTimer::DeclareTimer FTM_SLEEP("Sleep");
static LLFastTimer::DeclareTimer FTM_TEXTURE_CACHE("Texture Cache");
static LLFastTimer::DeclareTimer FTM_DECODE("Image Decode");
static LLFastTimer::DeclareTimer FTM_VFS("VFS Thread");
static LLFastTimer::DeclareTimer FTM_LFS("LFS Thread");
static LLFastTimer::DeclareTimer FTM_PAUSE_THREADS("Pause Threads");
static LLFastTimer::DeclareTimer FTM_IDLE("Idle");
static LLFastTimer::DeclareTimer FTM_PUMP("Pump");
static LLFastTimer::DeclareTimer FTM_PUMP_ARES("Ares");
static LLFastTimer::DeclareTimer FTM_PUMP_SERVICE("Service");
static LLFastTimer::DeclareTimer FTM_SERVICE_CALLBACK("Callback");
static LLFastTimer::DeclareTimer FTM_AGENT_AUTOPILOT("Autopilot");
static LLFastTimer::DeclareTimer FTM_AGENT_UPDATE("Update");

bool LLAppViewer::mainLoop()
{
	LLMemType mt1(LLMemType::MTYPE_MAIN);
	mMainloopTimeout = new LLWatchdogTimeout();
	
	//-------------------------------------------
	// Run main loop until time to quit
	//-------------------------------------------

	// Create IO Pump to use for HTTP Requests.
	gServicePump = new LLPumpIO(gAPRPoolp);
	LLHTTPClient::setPump(*gServicePump);
	LLCurl::setCAFile(gDirUtilp->getCAFile());

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

	LLVoiceChannel::initClass();
	LLVoiceClient::getInstance()->init(gServicePump);
	LLVoiceChannel::setCurrentVoiceChannelChangedCallback(boost::bind(&LLCallFloater::sOnCurrentChannelChanged, _1), true);
	LLTimer frameTimer,idleTimer;
	LLTimer debugTime;
	LLViewerJoystick* joystick(LLViewerJoystick::getInstance());
	joystick->setNeedsReset(true);

    LLEventPump& mainloop(LLEventPumps::instance().obtain("mainloop"));
    // As we do not (yet) send data on the mainloop LLEventPump that varies
    // with each frame, no need to instantiate a new LLSD event object each
    // time. Obviously, if that changes, just instantiate the LLSD at the
    // point of posting.
    LLSD newFrame;

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

	// Handle messages
	while (!LLApp::isExiting())
	{
		LLFastTimer::nextFrame(); // Should be outside of any timer instances

		//clear call stack records
		llclearcallstacks;

		//check memory availability information
		checkMemory() ;
		
		try
		{
			pingMainloopTimeout("Main:MiscNativeWindowEvents");

			if (gViewerWindow)
			{
				LLFastTimer t2(FTM_MESSAGES);
				gViewerWindow->getWindow()->processMiscNativeEvents();
			}
		
			pingMainloopTimeout("Main:GatherInput");
			
			if (gViewerWindow)
			{
				LLFastTimer t2(FTM_MESSAGES);
				if (!restoreErrorTrap())
				{
					llwarns << " Someone took over my signal/exception handler (post messagehandling)!" << llendl;
				}

				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())
				{
					LLMemType mjk(LLMemType::MTYPE_JOY_KEY);
					joystick->scanJoystick();
					gKeyboard->scanKeyboard();
				}

				// Update state based on messages, user input, object idle.
				{
					pauseMainloopTimeout(); // *TODO: Remove. Messages shouldn't be stalling for 20+ seconds!
					
					LLFastTimer t3(FTM_IDLE);
					idle();

					if (gAres != NULL && gAres->isInitialized())
					{
						LLMemType mt_ip(LLMemType::MTYPE_IDLE_PUMP);
						pingMainloopTimeout("Main:ServicePump");				
						LLFastTimer t4(FTM_PUMP);
						{
							LLFastTimer t(FTM_PUMP_ARES);
							gAres->process();
						}
						{
							LLFastTimer t(FTM_PUMP_SERVICE);
							// this pump is necessary to make the login screen show up
							gServicePump->pump();

							{
								LLFastTimer t(FTM_SERVICE_CALLBACK);
								gServicePump->callback();
							}
						}
					}
					
					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
					gGLActive = FALSE;
				}

			}

			pingMainloopTimeout("Main:Sleep");
			
			pauseMainloopTimeout();

			// Sleep and run background threads
			{
				LLMemType mt_sleep(LLMemType::MTYPE_SLEEP);
				LLFastTimer t2(FTM_SLEEP);
				
				// yield some time to the os based on command line option
				if(mYieldTime >= 0)
				{
					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))
				{
					llinfos << "Periodic slow frame - sleeping 500 ms" << llendl;
					ms_sleep(500);
				}

				static const F64 FRAME_SLOW_THRESHOLD = 0.5; //2 frames per seconds				
				const F64 max_idle_time = llmin(.005*10.0*gFrameTimeSeconds, 0.005); // 5 ms a second
				idleTimer.reset();
				bool is_slow = (frameTimer.getElapsedTimeF64() > FRAME_SLOW_THRESHOLD) ;
				S32 total_work_pending = 0;
				S32 total_io_pending = 0;	
				while(!is_slow)//do not unpause threads if the frame rates are very low.
				{
					S32 work_pending = 0;
					S32 io_pending = 0;
					F32 max_time = llmin(gFrameIntervalSeconds*10.f, 1.f);

					{
						LLFastTimer ftm(FTM_TEXTURE_CACHE);
 						work_pending += LLAppViewer::getTextureCache()->update(max_time); // unpauses the texture cache thread
					}
					{
						LLFastTimer ftm(FTM_DECODE);
	 					work_pending += LLAppViewer::getImageDecodeThread()->update(max_time); // unpauses the image thread
					}
					{
						LLFastTimer ftm(FTM_DECODE);
	 					work_pending += LLAppViewer::getTextureFetch()->update(max_time); // unpauses the texture fetch thread
					}

					{
						LLFastTimer ftm(FTM_VFS);
	 					io_pending += LLVFSThread::updateClass(1);
					}
					{
						LLFastTimer ftm(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 ;
					
					if (!work_pending || idleTimer.getElapsedTimeF64() >= max_idle_time)
					{
						break;
					}
				}
				gMeshRepo.update() ;
				
				if(!LLCurl::getCurlThread()->update(1))
				{
					LLCurl::getCurlThread()->pause() ; //nothing in the curl thread.
				}

				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(); 
				}									

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

				resumeMainloopTimeout();
	
				pingMainloopTimeout("Main:End");
			}	
		}
		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() ;				
				llwarns << "Bad memory allocation in LLAppViewer::mainLoop()!" << llendl ;
			}
			else
			{
				//output possible call stacks to log file.
				LLError::LLCallStacks::print() ;

				llerrs << "Bad memory allocation in LLAppViewer::mainLoop()!" << llendl ;
			}
		}
	}

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

			//stop memory leaking simulation
			LLFloaterMemLeak* mem_leak_instance =
				LLFloaterReg::findTypedInstance<LLFloaterMemLeak>("mem_leaking");
			if(mem_leak_instance)
			{
				mem_leak_instance->stop() ;				
			}	
		}
	}
	
	delete gServicePump;

	destroyMainloopTimeout();

	llinfos << "Exiting main_loop" << llendflush;

	return true;
}

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

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

	if (LLFastTimerView::sAnalyzePerformance)
	{
		llinfos << "Analyzing performance" << llendl;
		std::string baseline_name = LLFastTimer::sLogName + "_baseline.slp";
		std::string current_name  = LLFastTimer::sLogName + ".slp"; 
		std::string report_name   = LLFastTimer::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));		
	}
	LLMetricPerformanceTesterBasic::cleanClass();

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

	// *TODO - generalize this and move DSO wrangling to a helper class -brad
	std::set<struct apr_dso_handle_t *>::const_iterator i;
	for(i = mPlugins.begin(); i != mPlugins.end(); ++i)
	{
		int (*ll_plugin_stop_func)(void) = NULL;
		apr_status_t rv = apr_dso_sym((apr_dso_handle_sym_t*)&ll_plugin_stop_func, *i, "ll_plugin_stop");
		ll_plugin_stop_func();

		rv = apr_dso_unload(*i);
	}
	mPlugins.clear();

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

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

	llinfos << "Viewer disconnected" << llendflush;

	display_cleanup(); 

	release_start_screen(); // just in case

	LLError::logToFixedBuffer(NULL);

	llinfos << "Cleaning Up" << llendflush;

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

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

	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
	
	// 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();

	llinfos << "Global stuff deleted" << llendflush;

	if (gAudiop)
	{
		// 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

		bool want_longname = false;
		if (gAudiop->getDriverName(want_longname) == "FMOD")
		{
			// This hack exists because fmod likes to occasionally
			// crash or hang forever when shutting down, for no
			// apparent reason.
			llwarns << "Hack, skipping FMOD audio engine cleanup" << llendflush;
		}
		else
		{
			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();
	llinfos << "Settings patched up" << llendflush;

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

	llinfos << "Cache files removed" << llendflush;

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

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

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

	llinfos << "Cleaning up Selections" << llendflush;
	
	// 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();
	
	llinfos << "Shutting down OpenGL" << llendflush;

	// 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;
		llinfos << "ViewerWindow deleted" << llendflush;
	}

	llinfos << "Cleaning up Keyboard & Joystick" << llendflush;
	
	// 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();
	
	llinfos << "Cleaning up Objects" << llendflush;
	
	LLViewerObject::cleanupVOClasses();
	
	LLPostProcess::cleanupClass();

	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())
	{
		llwarns << "Remaining references in the volume manager!" << llendflush;
	}
	LLPrimitive::cleanupVolumeManager();

	llinfos << "Additional Cleanup..." << llendflush;	
	
	LLViewerParcelMgr::cleanupGlobals();

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

 	//end_messaging_system();

	LLFollowCamMgr::cleanupClass();
	//LLVolumeMgr::cleanupClass();
	LLPrimitive::cleanupVolumeManager();
	LLWorldMapView::cleanupClass();
	LLFolderViewItem::cleanupClass();
	LLUI::cleanupClass();
	
	//
	// 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

	//
	llinfos << "Cleaning up VFS" << llendflush;
	LLVFile::cleanupClass();

	llinfos << "Saving Data" << llendflush;
	
	// 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())
	{
		llinfos << "Not saving per-account settings; don't know the account name yet." << llendl;
	}
	else
	{
		gSavedPerAccountSettings.saveToFile(gSavedSettings.getString("PerAccountSettingsFile"), TRUE);
		llinfos << "Saved settings" << llendflush;
	}

	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());

	if (mPurgeOnExit)
	{
		llinfos << "Purging all cache files on exit" << llendflush;
		std::string mask = gDirUtilp->getDirDelimiter() + "*.*";
		gDirUtilp->deleteFilesInDir(gDirUtilp->getExpandedFilename(LL_PATH_CACHE,""),mask);
	}

	removeMarkerFile(); // Any crashes from here on we'll just have to ignore
	
	writeDebugInfo();

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

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

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

	llinfos << "Shutting down Threads" << llendflush;

	// 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);
		pending += LLCurl::getCurlThread()->update(1) ;
		F64 idle_time = idleTimer.getElapsedTimeF64();
		if(!pending)
		{
			break ; //done
		}
		else if(idle_time >= max_idle_time)
		{
			llwarns << "Quitting with pending background tasks." << llendl;
			break;
		}
	}
	LLCurl::getCurlThread()->pause() ;

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

	LLFilePickerThread::cleanupClass();

	delete sTextureCache;
    sTextureCache = NULL;
	delete sTextureFetch;
    sTextureFetch = NULL;
	delete sImageDecodeThread;
    sImageDecodeThread = NULL;
	delete mFastTimerLogThread;
	mFastTimerLogThread = NULL;
	
	if (LLFastTimerView::sAnalyzePerformance)
	{
		llinfos << "Analyzing performance" << llendl;
		
		std::string baseline_name = LLFastTimer::sLogName + "_baseline.slp";
		std::string current_name  = LLFastTimer::sLogName + ".slp"; 
		std::string report_name   = LLFastTimer::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));
	}	

	LLMetricPerformanceTesterBasic::cleanClass() ;

#if LL_RECORD_VIEWER_STATS
	LLViewerStatsRecorder::cleanupClass();
#endif

	llinfos << "Cleaning up Media and Textures" << llendflush;

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

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

	llinfos << "Misc Cleanup" << llendflush;
	
	// 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();
	
	llinfos << "Shutting down message system" << llendflush;
	end_messaging_system();

	// *NOTE:Mani - The following call is not thread safe. 
	LLCurl::cleanupClass();

	// 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())
	{
		llinfos << "Launch file on quit." << llendflush;
#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 );
		llinfos << "File launched." << llendflush;
	}
	llinfos << "Cleaning up LLProxy." << llendl;
	LLProxy::cleanupClass();

	LLMainLoopRepeater::instance().stop();

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

	ll_close_fail_log();

	MEM_TRACK_RELEASE

    llinfos << "Goodbye!" << llendflush;

	// return 0;
	return true;
}

// A callback for llerrs 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);
	llerrs << "Watchdog killer event" << llendl;
}

bool LLAppViewer::initThreads()
{
#if MEM_TRACK_MEM
	static const bool enable_threads = false;
#else
	static const bool enable_threads = true;
#endif

	LLImage::initClass();

	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 (LLFastTimer::sLog || LLFastTimer::sMetricLog)
	{
		LLFastTimer::sLogLock = new LLMutex(NULL);
		mFastTimerLogThread = new LLFastTimerLogThread(LLFastTimer::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);
}

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

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

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

	// Set the log file to SecondLife.log

	LLError::logToFile(log_file);

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

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

	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)
		{
			llerrs << "Out of range path index in app_settings/settings_files.xml" << llendl;
			return false;
		}

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

			LLControlGroup* settings_group = LLControlGroup::getInstance(file.name);
			if(!settings_group)
			{
				llwarns << "No matching settings group for name " << file.name() << llendl;
				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!
				llinfos << "Loaded settings file " << full_settings_path << llendl;
			}
			else
			{	// failed to load
				if(file.required)
				{
					llerrs << "Error: Cannot load required settings file from: " << full_settings_path << llendl;
					return false;
				}
				else
				{
					// only complain if we actually have a filename at this point
					if (!full_settings_path.empty())
					{
						llinfos << "Cannot load " << full_settings_path << " - No settings found." << llendl;
					}
				}
			}
		}
	}

	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();
}

bool LLAppViewer::initConfiguration()
{	
	//Load settings files list
	std::string settings_file_list = gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS, "settings_files.xml");
	//LLControlGroup settings_control("SettingsFiles");
	//llinfos << "Loading settings file list " << settings_file_list << llendl;
	//if (0 == settings_control.loadFromFile(settings_file_list))
	//{
 //       llerrs << "Cannot load default configuration file " << settings_file_list << llendl;
	//}

	LLXMLNodePtr root;
	BOOL success  = LLXMLNode::parseFile(settings_file_list, root, NULL);
	if (!success)
	{
        llerrs << "Cannot load default configuration file " << settings_file_list << llendl;
	}

	mSettingsLocationList = new SettingsFiles();

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

	if (!mSettingsLocationList->validateBlock())
	{
        llerrs << "Invalid settings file list " << settings_file_list << llendl;
	}
		
	// 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;
	}
	
	LLUI::setupPaths(); // setup paths for LLTrans based on settings files only
	LLTransUtil::parseStrings("strings.xml", default_trans_args);
	LLTransUtil::parseLanguageStrings("language_settings.xml");
	// - 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")));

	gSavedSettings.setString("VersionChannelName", LLVersionInfo::getChannel());

#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.getCont