gecko/dom/ipc/CrashReporterParent.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set sw=4 ts=8 et tw=80 :
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Plugin App.
*
* The Initial Developer of the Original Code is
* The Mozilla Foundation
* Portions created by the Initial Developer are Copyright (C) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Ted Mielczarek <ted.mielczarek@gmail.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "mozilla/dom/PCrashReporterParent.h"
#include "mozilla/dom/TabMessageUtils.h"
#include "nsXULAppAPI.h"
#include "nsILocalFile.h"
#ifdef MOZ_CRASHREPORTER
#include "nsExceptionHandler.h"
#endif
namespace mozilla {
namespace dom {
class ProcessReporter;
class CrashReporterParent :
public PCrashReporterParent
{
#ifdef MOZ_CRASHREPORTER
typedef CrashReporter::AnnotationTable AnnotationTable;
#endif
public:
CrashReporterParent();
virtual ~CrashReporterParent();
#ifdef MOZ_CRASHREPORTER
/* Attempt to generate a parent/child pair of minidumps from the given
toplevel actor in the event of a hang. Returns true if successful,
false otherwise.
*/
template<class Toplevel>
bool
GeneratePairedMinidump(Toplevel* t);
/* Attempt to create a bare-bones crash report for a hang, along with extra
process-specific annotations present in the given AnnotationTable. Returns
true if successful, false otherwise.
*/
bool
GenerateHangCrashReport(const AnnotationTable* processNotes);
/* Attempt to create a bare-bones crash report, along with extra process-
specific annotations present in the given AnnotationTable. Returns true if
successful, false otherwise.
*/
template<class Toplevel>
bool
GenerateCrashReport(Toplevel* t, const AnnotationTable* processNotes);
/* Instantiate a new crash reporter actor from a given parent that manages
the protocol.
*/
template<class Toplevel>
static bool CreateCrashReporter(Toplevel* actor);
#endif
/* Initialize this reporter with data from the child process */
void
SetChildData(const NativeThreadId& id, const PRUint32& processType);
/* Returns the shared hang ID of a parent/child paired minidump.
GeneratePairedMinidump must be called first.
*/
const nsString& HangID() {
return mHangID;
}
/* Returns the ID of the parent minidump.
GeneratePairedMinidump must be called first.
*/
const nsString& ParentDumpID() {
return mParentDumpID;
}
/* Returns the ID of the child minidump.
GeneratePairedMinidump or GenerateCrashReport must be called first.
*/
const nsString& ChildDumpID() {
return mChildDumpID;
}
protected:
virtual void ActorDestroy(ActorDestroyReason why);
virtual bool
RecvAddLibraryMappings(const InfallibleTArray<Mapping>& m);
virtual bool
RecvAnnotateCrashReport(const nsCString& key, const nsCString& data);
virtual bool
RecvAppendAppNotes(const nsCString& data);
#ifdef MOZ_CRASHREPORTER
bool
GenerateChildData(const AnnotationTable* processNotes);
AnnotationTable mNotes;
#endif
nsCString mAppNotes;
nsString mHangID;
nsString mChildDumpID;
nsString mParentDumpID;
NativeThreadId mMainThread;
time_t mStartTime;
PRUint32 mProcessType;
bool mInitialized;
};
#ifdef MOZ_CRASHREPORTER
template<class Toplevel>
inline bool
CrashReporterParent::GeneratePairedMinidump(Toplevel* t)
{
CrashReporter::ProcessHandle child;
#ifdef XP_MACOSX
child = t->Process()->GetChildTask();
#else
child = t->OtherProcess();
#endif
nsCOMPtr<nsILocalFile> childDump;
nsCOMPtr<nsILocalFile> parentDump;
if (CrashReporter::CreatePairedMinidumps(child,
mMainThread,
&mHangID,
getter_AddRefs(childDump),
getter_AddRefs(parentDump)) &&
CrashReporter::GetIDFromMinidump(childDump, mChildDumpID) &&
CrashReporter::GetIDFromMinidump(parentDump, mParentDumpID)) {
return true;
}
return false;
}
template<class Toplevel>
inline bool
CrashReporterParent::GenerateCrashReport(Toplevel* t,
const AnnotationTable* processNotes)
{
nsCOMPtr<nsILocalFile> crashDump;
if (t->TakeMinidump(getter_AddRefs(crashDump)) &&
CrashReporter::GetIDFromMinidump(crashDump, mChildDumpID)) {
return GenerateChildData(processNotes);
}
return false;
}
template<class Toplevel>
/* static */ bool
CrashReporterParent::CreateCrashReporter(Toplevel* actor)
{
#ifdef MOZ_CRASHREPORTER
NativeThreadId id;
PRUint32 processType;
PCrashReporterParent* p =
actor->CallPCrashReporterConstructor(&id, &processType);
if (p) {
static_cast<CrashReporterParent*>(p)->SetChildData(id, processType);
} else {
NS_ERROR("Error creating crash reporter actor");
}
return !!p;
#endif
return false;
}
#endif
} // namespace dom
} // namespace mozilla