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Unified Diff: handler/win/crash_report_exception_handler.cc

Issue 1314093002: Refactor handler/main for Windows, implement CrashHandlerExceptionServer (Closed) Base URL: https://chromium.googlesource.com/crashpad/crashpad@crash-handler-exe
Patch Set: fixes2 Created 5 years, 3 months ago
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Index: handler/win/crash_report_exception_handler.cc
diff --git a/handler/win/crash_report_exception_handler.cc b/handler/win/crash_report_exception_handler.cc
new file mode 100644
index 0000000000000000000000000000000000000000..faf03671e230865b4ab9a53d5b924cf431738820
--- /dev/null
+++ b/handler/win/crash_report_exception_handler.cc
@@ -0,0 +1,117 @@
+// Copyright 2015 The Crashpad Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include "handler/win/crash_report_exception_handler.h"
+
+#include "client/crash_report_database.h"
+#include "client/settings.h"
+#include "handler/crash_report_upload_thread.h"
+#include "minidump/minidump_file_writer.h"
+#include "snapshot/win/process_snapshot_win.h"
+#include "util/file/file_writer.h"
+#include "util/win/registration_protocol_win.h"
+
+namespace crashpad {
+
+CrashReportExceptionHandler::CrashReportExceptionHandler(
+ CrashReportDatabase* database,
+ CrashReportUploadThread* upload_thread,
+ const std::map<std::string, std::string>* process_annotations)
+ : database_(database),
+ upload_thread_(upload_thread),
+ process_annotations_(process_annotations) {
+}
+
+CrashReportExceptionHandler::~CrashReportExceptionHandler() {
+}
+
+void CrashReportExceptionHandler::ExceptionHandlerServerStarted() {
+}
+
+unsigned int CrashReportExceptionHandler::ExceptionHandlerServerException(
+ HANDLE process,
+ WinVMAddress exception_information_address) {
+ const unsigned int kFailedTerminationCode = 0xffff7002;
+
+ // TODO(scottmg): ScopedProcessSuspend
+
+ ProcessSnapshotWin process_snapshot;
+ if (!process_snapshot.Initialize(process)) {
+ LOG(WARNING) << "ProcessSnapshotWin::Initialize failed";
+ return kFailedTerminationCode;
+ }
+
+ if (!process_snapshot.InitializeException(exception_information_address)) {
+ LOG(WARNING) << "ProcessSnapshotWin::InitializeException failed";
+ return kFailedTerminationCode;
+ }
+
+ // Now that we have the exception information, even if something else fails we
+ // can terminate the process with the correct exit code.
+ const unsigned int termination_code =
+ process_snapshot.Exception()->Exception();
+
+ CrashpadInfoClientOptions client_options;
+ process_snapshot.GetCrashpadOptions(&client_options);
+ if (client_options.crashpad_handler_behavior != TriState::kDisabled) {
+ UUID client_id;
+ Settings* const settings = database_->GetSettings();
+ if (settings) {
+ // If GetSettings() or GetClientID() fails, something else will log a
+ // message and client_id will be left at its default value, all zeroes,
+ // which is appropriate.
+ settings->GetClientID(&client_id);
+ }
+
+ process_snapshot.SetClientID(client_id);
+ process_snapshot.SetAnnotationsSimpleMap(*process_annotations_);
+
+ CrashReportDatabase::NewReport* new_report;
+ CrashReportDatabase::OperationStatus database_status =
+ database_->PrepareNewCrashReport(&new_report);
+ if (database_status != CrashReportDatabase::kNoError) {
+ LOG(ERROR) << "PrepareNewCrashReport failed";
+ return termination_code;
+ }
+
+ process_snapshot.SetReportID(new_report->uuid);
+
+ CrashReportDatabase::CallErrorWritingCrashReport
+ call_error_writing_crash_report(database_, new_report);
+
+ WeakFileHandleFileWriter file_writer(new_report->handle);
+
+ MinidumpFileWriter minidump;
+ minidump.InitializeFromSnapshot(&process_snapshot);
+ if (!minidump.WriteEverything(&file_writer)) {
+ LOG(ERROR) << "WriteEverything failed";
+ return termination_code;
+ }
+
+ call_error_writing_crash_report.Disarm();
+
+ UUID uuid;
+ database_status = database_->FinishedWritingCrashReport(new_report, &uuid);
+ if (database_status != CrashReportDatabase::kNoError) {
+ LOG(ERROR) << "FinishedWritingCrashReport failed";
+ return termination_code;
+ }
+
+ upload_thread_->ReportPending();
+ }
+
+ return termination_code;
+}
+
+} // namespace crashpad
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