1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/ipc/CrashReporterParent.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,160 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: set sw=4 ts=8 et tw=80 :
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#ifndef mozilla_dom_CrashReporterParent_h
1.11 +#define mozilla_dom_CrashReporterParent_h
1.12 +
1.13 +#include "mozilla/dom/PCrashReporterParent.h"
1.14 +#include "mozilla/dom/TabMessageUtils.h"
1.15 +#include "nsIFile.h"
1.16 +#ifdef MOZ_CRASHREPORTER
1.17 +#include "nsExceptionHandler.h"
1.18 +#include "nsDataHashtable.h"
1.19 +#endif
1.20 +
1.21 +namespace mozilla {
1.22 +namespace dom {
1.23 +class ProcessReporter;
1.24 +
1.25 +class CrashReporterParent :
1.26 + public PCrashReporterParent
1.27 +{
1.28 +#ifdef MOZ_CRASHREPORTER
1.29 + typedef CrashReporter::AnnotationTable AnnotationTable;
1.30 +#endif
1.31 +public:
1.32 + CrashReporterParent();
1.33 + virtual ~CrashReporterParent();
1.34 +
1.35 +#ifdef MOZ_CRASHREPORTER
1.36 + /* Attempt to generate a parent/child pair of minidumps from the given
1.37 + toplevel actor in the event of a hang. Returns true if successful,
1.38 + false otherwise.
1.39 + */
1.40 + template<class Toplevel>
1.41 + bool
1.42 + GeneratePairedMinidump(Toplevel* t);
1.43 +
1.44 + /* Attempt to create a bare-bones crash report, along with extra process-
1.45 + specific annotations present in the given AnnotationTable. Returns true if
1.46 + successful, false otherwise.
1.47 + */
1.48 + template<class Toplevel>
1.49 + bool
1.50 + GenerateCrashReport(Toplevel* t, const AnnotationTable* processNotes);
1.51 +
1.52 + /**
1.53 + * Add the .extra data for an existing crash report.
1.54 + */
1.55 + bool
1.56 + GenerateChildData(const AnnotationTable* processNotes);
1.57 +
1.58 + bool
1.59 + GenerateCrashReportForMinidump(nsIFile* minidump,
1.60 + const AnnotationTable* processNotes);
1.61 +
1.62 + /* Instantiate a new crash reporter actor from a given parent that manages
1.63 + the protocol.
1.64 + */
1.65 + template<class Toplevel>
1.66 + static bool CreateCrashReporter(Toplevel* actor);
1.67 +#endif
1.68 + /* Initialize this reporter with data from the child process */
1.69 + void
1.70 + SetChildData(const NativeThreadId& id, const uint32_t& processType);
1.71 +
1.72 + /* Returns the ID of the child minidump.
1.73 + GeneratePairedMinidump or GenerateCrashReport must be called first.
1.74 + */
1.75 + const nsString& ChildDumpID() {
1.76 + return mChildDumpID;
1.77 + }
1.78 +
1.79 + void
1.80 + AnnotateCrashReport(const nsCString& key, const nsCString& data);
1.81 +
1.82 + protected:
1.83 + virtual bool
1.84 + RecvAnnotateCrashReport(const nsCString& key, const nsCString& data) MOZ_OVERRIDE {
1.85 + AnnotateCrashReport(key, data);
1.86 + return true;
1.87 + }
1.88 + virtual bool
1.89 + RecvAppendAppNotes(const nsCString& data) MOZ_OVERRIDE;
1.90 + virtual mozilla::ipc::IProtocol*
1.91 + CloneProtocol(Channel* aChannel,
1.92 + mozilla::ipc::ProtocolCloneContext *aCtx) MOZ_OVERRIDE;
1.93 +
1.94 +#ifdef MOZ_CRASHREPORTER
1.95 + AnnotationTable mNotes;
1.96 +#endif
1.97 + nsCString mAppNotes;
1.98 + nsString mChildDumpID;
1.99 + NativeThreadId mMainThread;
1.100 + time_t mStartTime;
1.101 + uint32_t mProcessType;
1.102 + bool mInitialized;
1.103 +};
1.104 +
1.105 +#ifdef MOZ_CRASHREPORTER
1.106 +template<class Toplevel>
1.107 +inline bool
1.108 +CrashReporterParent::GeneratePairedMinidump(Toplevel* t)
1.109 +{
1.110 + CrashReporter::ProcessHandle child;
1.111 +#ifdef XP_MACOSX
1.112 + child = t->Process()->GetChildTask();
1.113 +#else
1.114 + child = t->OtherProcess();
1.115 +#endif
1.116 + nsCOMPtr<nsIFile> childDump;
1.117 + if (CrashReporter::CreatePairedMinidumps(child,
1.118 + mMainThread,
1.119 + getter_AddRefs(childDump)) &&
1.120 + CrashReporter::GetIDFromMinidump(childDump, mChildDumpID)) {
1.121 + return true;
1.122 + }
1.123 + return false;
1.124 +}
1.125 +
1.126 +template<class Toplevel>
1.127 +inline bool
1.128 +CrashReporterParent::GenerateCrashReport(Toplevel* t,
1.129 + const AnnotationTable* processNotes)
1.130 +{
1.131 + nsCOMPtr<nsIFile> crashDump;
1.132 + if (t->TakeMinidump(getter_AddRefs(crashDump), nullptr) &&
1.133 + CrashReporter::GetIDFromMinidump(crashDump, mChildDumpID)) {
1.134 + return GenerateChildData(processNotes);
1.135 + }
1.136 + return false;
1.137 +}
1.138 +
1.139 +template<class Toplevel>
1.140 +/* static */ bool
1.141 +CrashReporterParent::CreateCrashReporter(Toplevel* actor)
1.142 +{
1.143 +#ifdef MOZ_CRASHREPORTER
1.144 + NativeThreadId id;
1.145 + uint32_t processType;
1.146 + PCrashReporterParent* p =
1.147 + actor->CallPCrashReporterConstructor(&id, &processType);
1.148 + if (p) {
1.149 + static_cast<CrashReporterParent*>(p)->SetChildData(id, processType);
1.150 + } else {
1.151 + NS_ERROR("Error creating crash reporter actor");
1.152 + }
1.153 + return !!p;
1.154 +#endif
1.155 + return false;
1.156 +}
1.157 +
1.158 +#endif
1.159 +
1.160 +} // namespace dom
1.161 +} // namespace mozilla
1.162 +
1.163 +#endif // mozilla_dom_CrashReporterParent_h
