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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 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_ipc_CrashReporterHost_h
+#define mozilla_ipc_CrashReporterHost_h
+
+#include <functional>
+
+#include "mozilla/UniquePtr.h"
+#include "base/process.h"
+#include "nsExceptionHandler.h"
+#include "nsThreadUtils.h"
+#include "mozilla/ipc/ProtocolUtils.h"
+
+namespace mozilla {
+namespace ipc {
+
+// This is the newer replacement for CrashReporterParent. It is created in
+// response to a InitCrashReporter message on a top-level actor. When the
+// process terminates abnormally, the top-level should call GenerateCrashReport
+// to automatically integrate metadata.
+class CrashReporterHost {
+ typedef CrashReporter::AnnotationTable AnnotationTable;
+
+ public:
+ CrashReporterHost(GeckoProcessType aProcessType,
+ CrashReporter::ThreadId aThreadId);
+
+ // Helper function for generating a crash report for a process that probably
+ // crashed (i.e., had an AbnormalShutdown in ActorDestroy). Returns true if
+ // the process has a minidump attached and we were able to generate a report.
+ bool GenerateCrashReport(base::ProcessId aPid);
+
+ // Given an existing minidump for a crashed child process, take ownership of
+ // it from IPDL. After this, FinalizeCrashReport may be called.
+ RefPtr<nsIFile> TakeCrashedChildMinidump(base::ProcessId aPid,
+ uint32_t* aOutSequence);
+
+ // Replace the stored minidump with a new one. After this,
+ // FinalizeCrashReport may be called.
+ bool AdoptMinidump(nsIFile* aFile, const AnnotationTable& aAnnotations);
+
+ // If a minidump was already captured (e.g. via the hang reporter), this
+ // finalizes the existing report by attaching metadata, writing out the
+ // .extra file and notifying the crash service.
+ void FinalizeCrashReport();
+
+ // Delete any crash report we might have generated.
+ void DeleteCrashReport();
+
+ // Generate a paired minidump. This does not take the crash report, as
+ // GenerateCrashReport does. After this, FinalizeCrashReport may be called.
+ //
+ // This calls TakeCrashedChildMinidump and FinalizeCrashReport.
+ template <typename Toplevel>
+ bool GenerateMinidumpAndPair(Toplevel* aToplevelProtocol,
+ const nsACString& aPairName) {
+ ScopedProcessHandle childHandle;
+#ifdef XP_MACOSX
+ childHandle = aToplevelProtocol->Process()->GetChildTask();
+#else
+ if (!base::OpenPrivilegedProcessHandle(aToplevelProtocol->OtherPid(),
+ &childHandle.rwget())) {
+ NS_WARNING("Failed to open child process handle.");
+ return false;
+ }
+#endif
+
+ nsCOMPtr<nsIFile> targetDump;
+ if (!CrashReporter::CreateMinidumpsAndPair(childHandle, mThreadId,
+ aPairName, mExtraAnnotations,
+ getter_AddRefs(targetDump))) {
+ return false;
+ }
+
+ return CrashReporter::GetIDFromMinidump(targetDump, mDumpID);
+ }
+
+ void AddAnnotation(CrashReporter::Annotation aKey, bool aValue);
+ void AddAnnotation(CrashReporter::Annotation aKey, int aValue);
+ void AddAnnotation(CrashReporter::Annotation aKey, unsigned int aValue);
+ void AddAnnotation(CrashReporter::Annotation aKey, const nsACString& aValue);
+
+ bool HasMinidump() const { return !mDumpID.IsEmpty(); }
+ const nsString& MinidumpID() const {
+ MOZ_ASSERT(HasMinidump());
+ return mDumpID;
+ }
+ const nsCString& AdditionalMinidumps() const {
+ return mExtraAnnotations[CrashReporter::Annotation::additional_minidumps];
+ }
+
+ // This is a static helper function to notify the crash service that a
+ // crash has occurred and record the crash with telemetry. This can be called
+ // from any thread, and if not called from the main thread, will post a
+ // synchronous message to the main thread.
+ static void RecordCrash(GeckoProcessType aProcessType, int32_t aCrashType,
+ const nsString& aChildDumpID);
+
+ private:
+ // Get the nsICrashService crash type to use for an impending crash.
+ int32_t GetCrashType();
+
+ static void RecordCrashWithTelemetry(GeckoProcessType aProcessType,
+ int32_t aCrashType);
+ static void NotifyCrashService(GeckoProcessType aProcessType,
+ int32_t aCrashType,
+ const nsString& aChildDumpID);
+
+ private:
+ GeckoProcessType mProcessType;
+ CrashReporter::ThreadId mThreadId;
+ time_t mStartTime;
+ AnnotationTable mExtraAnnotations;
+ nsString mDumpID;
+ bool mFinalized;
+};
+
+} // namespace ipc
+} // namespace mozilla
+
+#endif // mozilla_ipc_CrashReporterHost_h