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Unified Diff: components/crash/content/app/crashpad.cc

Issue 1416133003: Crashpad Windows: Use the Crashpad client instead of Breakpad on Windows (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: add some stub gn files Created 5 years, 1 month ago
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Index: components/crash/content/app/crashpad.cc
diff --git a/components/crash/content/app/crashpad.cc b/components/crash/content/app/crashpad.cc
new file mode 100644
index 0000000000000000000000000000000000000000..e3b4124affd8182b1d160d42f109363bab717612
--- /dev/null
+++ b/components/crash/content/app/crashpad.cc
@@ -0,0 +1,236 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "components/crash/content/app/crashpad.h"
+
+#include <string.h>
+
+#include <algorithm>
+#include <map>
+#include <vector>
+
+#include "base/auto_reset.h"
+#include "base/command_line.h"
+#include "base/debug/crash_logging.h"
+#include "base/debug/dump_without_crashing.h"
+#include "base/logging.h"
+#include "base/strings/string_number_conversions.h"
+#include "base/strings/string_piece.h"
+#include "base/strings/stringprintf.h"
+#include "base/strings/sys_string_conversions.h"
+#include "build/build_config.h"
+#include "components/crash/content/app/crash_reporter_client.h"
+#include "third_party/crashpad/crashpad/client/crash_report_database.h"
+#include "third_party/crashpad/crashpad/client/crashpad_client.h"
+#include "third_party/crashpad/crashpad/client/crashpad_info.h"
+#include "third_party/crashpad/crashpad/client/settings.h"
+#include "third_party/crashpad/crashpad/client/simple_string_dictionary.h"
+#include "third_party/crashpad/crashpad/client/simulate_crash.h"
+
+#if defined(OS_POSIX)
+#include <unistd.h>
+#endif // OS_POSIX
+
+namespace crash_reporter {
+
+namespace {
+
+crashpad::SimpleStringDictionary* g_simple_string_dictionary;
+crashpad::CrashReportDatabase* g_database;
+
+void SetCrashKeyValue(const base::StringPiece& key,
+ const base::StringPiece& value) {
+ g_simple_string_dictionary->SetKeyValue(key.data(), value.data());
+}
+
+void ClearCrashKey(const base::StringPiece& key) {
+ g_simple_string_dictionary->RemoveKey(key.data());
+}
+
+bool LogMessageHandler(int severity,
+ const char* file,
+ int line,
+ size_t message_start,
+ const std::string& string) {
+ // Only handle FATAL.
+ if (severity != logging::LOG_FATAL) {
+ return false;
+ }
+
+ // In case of an out-of-memory condition, this code could be reentered when
+ // constructing and storing the key. Using a static is not thread-safe, but if
+ // multiple threads are in the process of a fatal crash at the same time, this
+ // should work.
+ static bool guarded = false;
+ if (guarded) {
+ return false;
+ }
+ base::AutoReset<bool> guard(&guarded, true);
+
+ // Only log last path component. This matches logging.cc.
+ if (file) {
+ const char* slash = strrchr(file, '/');
+ if (slash) {
+ file = slash + 1;
+ }
+ }
+
+ CHECK_LE(message_start, string.size());
+ std::string message = base::StringPrintf("%s:%d: %s", file, line,
+ string.c_str() + message_start);
+ SetCrashKeyValue("LOG_FATAL", message);
+
+ // Rather than including the code to force the crash here, allow the caller to
+ // do it.
+ return false;
+}
+
+void DumpWithoutCrashing() {
+ CRASHPAD_SIMULATE_CRASH();
+}
+
+} // namespace
+
+void InitializeCrashpad(bool initial_client, const std::string& process_type) {
+ static bool initialized = false;
+ DCHECK(!initialized);
+ initialized = true;
+
+ const bool browser_process = process_type.empty();
+ CrashReporterClient* crash_reporter_client = GetCrashReporterClient();
+
+ if (initial_client) {
+#if defined(OS_MACOSX)
+ // "relauncher" is hard-coded because it's a Chrome --type, but this
+ // component can't see Chrome's switches. This is only used for argument
+ // sanitization.
+ DCHECK(browser_process || process_type == "relauncher");
+#else
+ DCHECK(browser_process);
+#endif // OS_MACOSX
+ } else {
+ DCHECK(!browser_process);
+ }
+
+ // database_path is only valid in the browser process.
+ base::FilePath database_path =
+ internal::PlatformCrashpadInitialization(initial_client, browser_process);
+
+ crashpad::CrashpadInfo* crashpad_info =
+ crashpad::CrashpadInfo::GetCrashpadInfo();
+
+#if defined(OS_MACOSX)
+#if defined(NDEBUG)
+ const bool is_debug_build = false;
+#else
+ const bool is_debug_build = true;
+#endif
+
+ // Disable forwarding to the system's crash reporter in processes other than
+ // the browser process. For the browser, the system's crash reporter presents
+ // the crash UI to the user, so it's desirable there. Additionally, having
+ // crash reports appear in ~/Library/Logs/DiagnosticReports provides a
+ // fallback. Forwarding is turned off for debug-mode builds even for the
+ // browser process, because the system's crash reporter can take a very long
+ // time to chew on symbols.
+ if (!browser_process || is_debug_build) {
+ crashpad_info->set_system_crash_reporter_forwarding(
+ crashpad::TriState::kDisabled);
+ }
+#endif // OS_MACOSX
+
+ g_simple_string_dictionary = new crashpad::SimpleStringDictionary();
+ crashpad_info->set_simple_annotations(g_simple_string_dictionary);
+
+ base::debug::SetCrashKeyReportingFunctions(SetCrashKeyValue, ClearCrashKey);
+ crash_reporter_client->RegisterCrashKeys();
+
+ SetCrashKeyValue("ptype", browser_process ? base::StringPiece("browser")
+ : base::StringPiece(process_type));
+#if defined(OS_POSIX)
+ SetCrashKeyValue("pid", base::IntToString(getpid()));
+#elif defined(OS_WIN)
+ SetCrashKeyValue("pid", base::IntToString(::GetCurrentProcessId()));
+#endif
+
+ logging::SetLogMessageHandler(LogMessageHandler);
+
+ // If clients called CRASHPAD_SIMULATE_CRASH() instead of
+ // base::debug::DumpWithoutCrashing(), these dumps would appear as crashes in
+ // the correct function, at the correct file and line. This would be
+ // preferable to having all occurrences show up in DumpWithoutCrashing() at
+ // the same file and line.
+ base::debug::SetDumpWithoutCrashingFunction(DumpWithoutCrashing);
+
+ if (browser_process) {
+ g_database =
+ crashpad::CrashReportDatabase::Initialize(database_path).release();
+
+ bool enable_uploads = false;
+ if (!crash_reporter_client->ReportingIsEnforcedByPolicy(&enable_uploads)) {
+ // Breakpad provided a --disable-breakpad switch to disable crash dumping
+ // (not just uploading) here. Crashpad doesn't need it: dumping is enabled
+ // unconditionally and uploading is gated on consent, which tests/bots
+ // shouldn't have. As a precaution, uploading is also disabled on bots
+ // even if consent is present.
+ enable_uploads = crash_reporter_client->GetCollectStatsConsent() &&
+ !crash_reporter_client->IsRunningUnattended();
+ }
+
+ SetUploadsEnabled(enable_uploads);
+ }
+}
+
+void SetUploadsEnabled(bool enable_uploads) {
+ if (g_database) {
+ crashpad::Settings* settings = g_database->GetSettings();
+ settings->SetUploadsEnabled(enable_uploads);
+ }
+}
+
+bool GetUploadsEnabled() {
+ if (g_database) {
+ crashpad::Settings* settings = g_database->GetSettings();
+ bool enable_uploads;
+ if (settings->GetUploadsEnabled(&enable_uploads)) {
+ return enable_uploads;
+ }
+ }
+
+ return false;
+}
+
+void GetUploadedReports(std::vector<UploadedReport>* uploaded_reports) {
+ uploaded_reports->clear();
+
+ if (!g_database) {
+ return;
+ }
+
+ std::vector<crashpad::CrashReportDatabase::Report> completed_reports;
+ crashpad::CrashReportDatabase::OperationStatus status =
+ g_database->GetCompletedReports(&completed_reports);
+ if (status != crashpad::CrashReportDatabase::kNoError) {
+ return;
+ }
+
+ for (const crashpad::CrashReportDatabase::Report& completed_report :
+ completed_reports) {
+ if (completed_report.uploaded) {
+ UploadedReport uploaded_report;
+ uploaded_report.local_id = completed_report.uuid.ToString();
+ uploaded_report.remote_id = completed_report.id;
+ uploaded_report.creation_time = completed_report.creation_time;
+
+ uploaded_reports->push_back(uploaded_report);
+ }
+ }
+
+ std::sort(uploaded_reports->begin(), uploaded_reports->end(),
+ [](const UploadedReport& a, const UploadedReport& b) {
+ return a.creation_time >= b.creation_time;
+ });
+}
+
+} // namespace crash_reporter
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