LCOV - code coverage report
Current view: directory - dom/ipc - CrashReporterParent.h (source / functions) Found Hit Coverage
Test: app.info Lines: 7 0 0.0 %
Date: 2012-06-02 Functions: 2 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
       2                 :  * vim: set sw=4 ts=8 et tw=80 : 
       3                 :  * ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is Mozilla Plugin App.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  *   The Mozilla Foundation
      20                 :  * Portions created by the Initial Developer are Copyright (C) 2010
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Ted Mielczarek <ted.mielczarek@gmail.com>
      25                 :  *
      26                 :  * Alternatively, the contents of this file may be used under the terms of
      27                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      28                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      29                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      30                 :  * of those above. If you wish to allow use of your version of this file only
      31                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      32                 :  * use your version of this file under the terms of the MPL, indicate your
      33                 :  * decision by deleting the provisions above and replace them with the notice
      34                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      35                 :  * the provisions above, a recipient may use your version of this file under
      36                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      37                 :  *
      38                 :  * ***** END LICENSE BLOCK ***** */
      39                 : #include "mozilla/dom/PCrashReporterParent.h"
      40                 : #include "mozilla/dom/TabMessageUtils.h"
      41                 : #include "nsXULAppAPI.h"
      42                 : #include "nsILocalFile.h"
      43                 : #ifdef MOZ_CRASHREPORTER
      44                 : #include "nsExceptionHandler.h"
      45                 : #endif
      46                 : 
      47                 : namespace mozilla {
      48                 : namespace dom {
      49                 : class ProcessReporter;
      50                 : 
      51                 : class CrashReporterParent :
      52                 :     public PCrashReporterParent
      53                 : {
      54                 : #ifdef MOZ_CRASHREPORTER
      55                 :   typedef CrashReporter::AnnotationTable AnnotationTable;
      56                 : #endif
      57                 : public:
      58                 :   CrashReporterParent();
      59                 :   virtual ~CrashReporterParent();
      60                 : 
      61                 : #ifdef MOZ_CRASHREPORTER
      62                 :   /* Attempt to generate a parent/child pair of minidumps from the given
      63                 :      toplevel actor in the event of a hang. Returns true if successful,
      64                 :      false otherwise.
      65                 :   */
      66                 :   template<class Toplevel>
      67                 :   bool
      68                 :   GeneratePairedMinidump(Toplevel* t);
      69                 : 
      70                 :   /* Attempt to create a bare-bones crash report for a hang, along with extra
      71                 :      process-specific annotations present in the given AnnotationTable. Returns
      72                 :      true if successful, false otherwise.
      73                 :   */
      74                 :   bool
      75                 :   GenerateHangCrashReport(const AnnotationTable* processNotes);
      76                 : 
      77                 :   /* Attempt to create a bare-bones crash report, along with extra process-
      78                 :      specific annotations present in the given AnnotationTable. Returns true if
      79                 :      successful, false otherwise.
      80                 :   */
      81                 :   template<class Toplevel>
      82                 :   bool
      83                 :   GenerateCrashReport(Toplevel* t, const AnnotationTable* processNotes);
      84                 : 
      85                 :   /* Instantiate a new crash reporter actor from a given parent that manages
      86                 :      the protocol.
      87                 :   */
      88                 :   template<class Toplevel>
      89                 :   static bool CreateCrashReporter(Toplevel* actor);
      90                 : #endif
      91                 :   /* Initialize this reporter with data from the child process */
      92                 :   void
      93                 :     SetChildData(const NativeThreadId& id, const PRUint32& processType);
      94                 : 
      95                 :   /* Returns the shared hang ID of a parent/child paired minidump.
      96                 :      GeneratePairedMinidump must be called first.
      97                 :   */
      98                 :   const nsString& HangID() {
      99                 :     return mHangID;
     100                 :   }
     101                 :   /* Returns the ID of the parent minidump.
     102                 :      GeneratePairedMinidump must be called first.
     103                 :   */
     104                 :   const nsString& ParentDumpID() {
     105                 :     return mParentDumpID;
     106                 :   }
     107                 :   /* Returns the ID of the child minidump.
     108                 :      GeneratePairedMinidump or GenerateCrashReport must be called first.
     109                 :   */
     110               0 :   const nsString& ChildDumpID() {
     111               0 :     return mChildDumpID;
     112                 :   }
     113                 : 
     114                 :  protected:
     115                 :   virtual void ActorDestroy(ActorDestroyReason why);
     116                 : 
     117                 :   virtual bool
     118                 :     RecvAddLibraryMappings(const InfallibleTArray<Mapping>& m);
     119                 :   virtual bool
     120                 :     RecvAnnotateCrashReport(const nsCString& key, const nsCString& data);
     121                 :   virtual bool
     122                 :     RecvAppendAppNotes(const nsCString& data);
     123                 : 
     124                 : #ifdef MOZ_CRASHREPORTER
     125                 :   bool
     126                 :   GenerateChildData(const AnnotationTable* processNotes);
     127                 : 
     128                 :   AnnotationTable mNotes;
     129                 : #endif
     130                 :   nsCString mAppNotes;
     131                 :   nsString mHangID;
     132                 :   nsString mChildDumpID;
     133                 :   nsString mParentDumpID;
     134                 :   NativeThreadId mMainThread;
     135                 :   time_t mStartTime;
     136                 :   PRUint32 mProcessType;
     137                 :   bool mInitialized;
     138                 : };
     139                 : 
     140                 : #ifdef MOZ_CRASHREPORTER
     141                 : template<class Toplevel>
     142                 : inline bool
     143                 : CrashReporterParent::GeneratePairedMinidump(Toplevel* t)
     144                 : {
     145                 :   CrashReporter::ProcessHandle child;
     146                 : #ifdef XP_MACOSX
     147                 :   child = t->Process()->GetChildTask();
     148                 : #else
     149                 :   child = t->OtherProcess();
     150                 : #endif
     151                 :   nsCOMPtr<nsILocalFile> childDump;
     152                 :   nsCOMPtr<nsILocalFile> parentDump;
     153                 :   if (CrashReporter::CreatePairedMinidumps(child,
     154                 :                                            mMainThread,
     155                 :                                            &mHangID,
     156                 :                                            getter_AddRefs(childDump),
     157                 :                                            getter_AddRefs(parentDump)) &&
     158                 :       CrashReporter::GetIDFromMinidump(childDump, mChildDumpID) &&
     159                 :       CrashReporter::GetIDFromMinidump(parentDump, mParentDumpID)) {
     160                 :     return true;
     161                 :   }
     162                 :   return false;
     163                 : }
     164                 : 
     165                 : template<class Toplevel>
     166                 : inline bool
     167               0 : CrashReporterParent::GenerateCrashReport(Toplevel* t,
     168                 :                                          const AnnotationTable* processNotes)
     169                 : {
     170               0 :   nsCOMPtr<nsILocalFile> crashDump;
     171               0 :   if (t->TakeMinidump(getter_AddRefs(crashDump)) &&
     172                 :       CrashReporter::GetIDFromMinidump(crashDump, mChildDumpID)) {
     173               0 :     return GenerateChildData(processNotes);
     174                 :   }
     175               0 :   return false;
     176                 : }
     177                 : 
     178                 : template<class Toplevel>
     179                 : /* static */ bool
     180                 : CrashReporterParent::CreateCrashReporter(Toplevel* actor)
     181                 : {
     182                 : #ifdef MOZ_CRASHREPORTER
     183                 :   NativeThreadId id;
     184                 :   PRUint32 processType;
     185                 :   PCrashReporterParent* p =
     186                 :       actor->CallPCrashReporterConstructor(&id, &processType);
     187                 :   if (p) {
     188                 :     static_cast<CrashReporterParent*>(p)->SetChildData(id, processType);
     189                 :   } else {
     190                 :     NS_ERROR("Error creating crash reporter actor");
     191                 :   }
     192                 :   return !!p;
     193                 : #endif
     194                 :   return false;
     195                 : }
     196                 : 
     197                 : #endif
     198                 : 
     199                 : } // namespace dom
     200                 : } // namespace mozilla

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