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Add QgsCrashHandler for single place for all platforms (#4395)
Add QgsCrashHandler for single place for all platforms
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,144 @@ | ||
| /*************************************************************************** | ||
| qgscrashhandler.cpp - QgsCrashHandler | ||
| --------------------- | ||
| begin : 23.4.2017 | ||
| copyright : (C) 2017 by Nathan Woodrow | ||
| email : woodrow.nathan@gmail.com | ||
| *************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
| #include "qgscrashhandler.h" | ||
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| #include <QProcess> | ||
| #include <QDir> | ||
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| #include "qgsproject.h" | ||
| #include "qgscrashdialog.h" | ||
| #include "qgscrashreport.h" | ||
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| #ifdef Q_OS_WIN | ||
| LONG WINAPI QgsCrashHandler::handle( struct _EXCEPTION_POINTERS *ExceptionInfo ) | ||
| { | ||
| HANDLE process = GetCurrentProcess(); | ||
| // TOOD Pull symbols from symbol server. | ||
| // TOOD Move this logic to generic stack trace class to handle each | ||
| // platform. | ||
| SymInitialize( process, NULL, TRUE ); | ||
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| // StackWalk64() may modify context record passed to it, so we will | ||
| // use a copy. | ||
| CONTEXT context_record = *ExceptionInfo->ContextRecord; | ||
| // Initialize stack walking. | ||
| STACKFRAME64 stack_frame; | ||
| memset( &stack_frame, 0, sizeof( stack_frame ) ); | ||
| #if defined(_WIN64) | ||
| int machine_type = IMAGE_FILE_MACHINE_AMD64; | ||
| stack_frame.AddrPC.Offset = context_record.Rip; | ||
| stack_frame.AddrFrame.Offset = context_record.Rbp; | ||
| stack_frame.AddrStack.Offset = context_record.Rsp; | ||
| #else | ||
| int machine_type = IMAGE_FILE_MACHINE_I386; | ||
| stack_frame.AddrPC.Offset = context_record.Eip; | ||
| stack_frame.AddrFrame.Offset = context_record.Ebp; | ||
| stack_frame.AddrStack.Offset = context_record.Esp; | ||
| #endif | ||
| stack_frame.AddrPC.Mode = AddrModeFlat; | ||
| stack_frame.AddrFrame.Mode = AddrModeFlat; | ||
| stack_frame.AddrStack.Mode = AddrModeFlat; | ||
|
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| SYMBOL_INFO *symbol = ( SYMBOL_INFO * ) qgsMalloc( sizeof( SYMBOL_INFO ) + MAX_SYM_NAME ); | ||
| symbol->SizeOfStruct = sizeof( SYMBOL_INFO ); | ||
| symbol->MaxNameLen = MAX_SYM_NAME; | ||
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| IMAGEHLP_LINE *line = ( IMAGEHLP_LINE * ) qgsMalloc( sizeof( IMAGEHLP_LINE ) ); | ||
| line->SizeOfStruct = sizeof( IMAGEHLP_LINE ); | ||
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| IMAGEHLP_MODULE *module = ( IMAGEHLP_MODULE * ) qgsMalloc( sizeof( IMAGEHLP_MODULE ) ); | ||
| module->SizeOfStruct = sizeof( IMAGEHLP_MODULE ); | ||
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| QList<QgsCrashReport::StackLine> stack; | ||
| while ( StackWalk64( machine_type, | ||
| GetCurrentProcess(), | ||
| GetCurrentThread(), | ||
| &stack_frame, | ||
| &context_record, | ||
| NULL, | ||
| &SymFunctionTableAccess64, | ||
| &SymGetModuleBase64, | ||
| NULL ) ) | ||
| { | ||
|
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| DWORD64 displacement = 0; | ||
|
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| if ( SymFromAddr( process, ( DWORD64 )stack_frame.AddrPC.Offset, &displacement, symbol ) ) | ||
| { | ||
| DWORD dwDisplacement; | ||
| QString fileName; | ||
| QString lineNumber; | ||
| QString moduleName; | ||
| if ( SymGetLineFromAddr( process, ( DWORD )( stack_frame.AddrPC.Offset ), &dwDisplacement, line ) ) | ||
| { | ||
| fileName = QString( line->FileName ); | ||
| lineNumber = QString::number( line->LineNumber ); | ||
| } | ||
| else | ||
| { | ||
| fileName = "(unknown file)"; | ||
| lineNumber = "(unknown line)"; | ||
| } | ||
| if ( SymGetModuleInfo( process, ( DWORD )( stack_frame.AddrPC.Offset ), module ) ) | ||
| { | ||
| moduleName = QString( module->ModuleName ); | ||
| } | ||
| else | ||
| { | ||
| moduleName = "(unknown module)"; | ||
| } | ||
| QgsCrashReport::StackLine stackline; | ||
| stackline.moduleName = moduleName; | ||
| stackline.fileName = fileName; | ||
| stackline.lineNumber = lineNumber; | ||
| stackline.symbolName = QString( symbol->Name ); | ||
| stack.append( stackline ); | ||
| } | ||
| } | ||
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| qgsFree( symbol ); | ||
| qgsFree( line ); | ||
| qgsFree( module ); | ||
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| showCrashDialog( stack ); | ||
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| return EXCEPTION_EXECUTE_HANDLER; | ||
| } | ||
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| void QgsCrashHandler::showCrashDialog( const QList<QgsCrashReport::StackLine> &stack ) | ||
| { | ||
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| QgsCrashDialog dlg( QApplication::activeWindow() ); | ||
| QgsCrashReport report; | ||
| report.setStackTrace( stack ); | ||
| dlg.setBugReport( report.toString() ); | ||
| if ( dlg.exec() ) | ||
| { | ||
| restartApplication(); | ||
| } | ||
| } | ||
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| void QgsCrashHandler::restartApplication() | ||
| { | ||
| QStringList arguments; | ||
| arguments = QCoreApplication::arguments(); | ||
| QString path = arguments.at( 0 ); | ||
| arguments.removeFirst(); | ||
| arguments << QgsProject::instance()->fileName(); | ||
| QProcess::startDetached( path, arguments, QDir::toNativeSeparators( QCoreApplication::applicationDirPath() ) ); | ||
|
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||
| } | ||
| #endif |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| /*************************************************************************** | ||
| qgscrashhandler.h - QgsCrashHandler | ||
| --------------------- | ||
| begin : 23.4.2017 | ||
| copyright : (C) 2017 by Nathan Woodrow | ||
| email : woodrow.nathan@gmail.com | ||
| *************************************************************************** | ||
| * * | ||
| * This program is free software; you can redistribute it and/or modify * | ||
| * it under the terms of the GNU General Public License as published by * | ||
| * the Free Software Foundation; either version 2 of the License, or * | ||
| * (at your option) any later version. * | ||
| * * | ||
| ***************************************************************************/ | ||
| #ifndef QGSCRASHHANDLER_H | ||
| #define QGSCRASHHANDLER_H | ||
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| #include "qgis.h" | ||
| #include "qgis_app.h" | ||
| #include "qgscrashreport.h" | ||
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| #ifdef WIN32 | ||
| #include <windows.h> | ||
| #include <dbghelp.h> | ||
| #endif | ||
|
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| /** | ||
| * Utility object to handle crashes in QGIS. | ||
| */ | ||
| class APP_EXPORT QgsCrashHandler | ||
| { | ||
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| public: | ||
| #ifdef Q_OS_WIN | ||
| static LONG WINAPI handle( struct _EXCEPTION_POINTERS *ExceptionInfo ); | ||
| #endif | ||
|
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| /** | ||
| * Show the crash dialog. | ||
| * @param stack The current stack of the crash point. | ||
| */ | ||
| static void showCrashDialog( const QList<QgsCrashReport::StackLine> &stack ); | ||
|
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| /** | ||
| * Restart the application. | ||
| * Restores project and arguments used when application was loaded. | ||
| */ | ||
| static void restartApplication(); | ||
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| private: | ||
|
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| /** | ||
| * This class doesn't need to be created by anyone as is only used to handle | ||
| * crashes in the application. | ||
| */ | ||
| QgsCrashHandler() {} | ||
| }; | ||
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| #endif // QGSCRASHHANDLER_H |
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