gecko-dev/dom/ipc/CrashReporterParent.h

161 lines
4.3 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set sw=4 ts=8 et tw=80 :
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_dom_CrashReporterParent_h
#define mozilla_dom_CrashReporterParent_h
#include "mozilla/dom/PCrashReporterParent.h"
#include "mozilla/dom/TabMessageUtils.h"
#include "nsIFile.h"
#ifdef MOZ_CRASHREPORTER
#include "nsExceptionHandler.h"
#include "nsDataHashtable.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, 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);
/**
* Add the .extra data for an existing crash report.
*/
bool
GenerateChildData(const AnnotationTable* processNotes);
bool
GenerateCrashReportForMinidump(nsIFile* minidump,
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 uint32_t& processType);
/* Returns the ID of the child minidump.
GeneratePairedMinidump or GenerateCrashReport must be called first.
*/
const nsString& ChildDumpID() {
return mChildDumpID;
}
void
AnnotateCrashReport(const nsCString& key, const nsCString& data);
protected:
virtual bool
RecvAnnotateCrashReport(const nsCString& key, const nsCString& data) MOZ_OVERRIDE {
AnnotateCrashReport(key, data);
return true;
}
virtual bool
RecvAppendAppNotes(const nsCString& data) MOZ_OVERRIDE;
virtual mozilla::ipc::IProtocol*
CloneProtocol(Channel* aChannel,
mozilla::ipc::ProtocolCloneContext *aCtx) MOZ_OVERRIDE;
#ifdef MOZ_CRASHREPORTER
AnnotationTable mNotes;
#endif
nsCString mAppNotes;
nsString mChildDumpID;
NativeThreadId mMainThread;
time_t mStartTime;
uint32_t 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<nsIFile> childDump;
if (CrashReporter::CreatePairedMinidumps(child,
mMainThread,
getter_AddRefs(childDump)) &&
CrashReporter::GetIDFromMinidump(childDump, mChildDumpID)) {
return true;
}
return false;
}
template<class Toplevel>
inline bool
CrashReporterParent::GenerateCrashReport(Toplevel* t,
const AnnotationTable* processNotes)
{
nsCOMPtr<nsIFile> crashDump;
if (t->TakeMinidump(getter_AddRefs(crashDump), nullptr) &&
CrashReporter::GetIDFromMinidump(crashDump, mChildDumpID)) {
return GenerateChildData(processNotes);
}
return false;
}
template<class Toplevel>
/* static */ bool
CrashReporterParent::CreateCrashReporter(Toplevel* actor)
{
#ifdef MOZ_CRASHREPORTER
NativeThreadId id;
uint32_t 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
#endif // mozilla_dom_CrashReporterParent_h