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// Copyright (c) 2012 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 "chrome/common/child_process_logging.h"
#include <windows.h>
#include "base/debug/crash_logging.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/common/chrome_constants.h"
#include "chrome/common/crash_keys.h"
#include "chrome/installer/util/google_update_settings.h"
namespace child_process_logging {
namespace {
// exported in breakpad_win.cc:
// void __declspec(dllexport) __cdecl SetCrashKeyValueImpl.
typedef void (__cdecl *SetCrashKeyValue)(const wchar_t*, const wchar_t*);
// exported in breakpad_win.cc:
// void __declspec(dllexport) __cdecl ClearCrashKeyValueImpl.
typedef void (__cdecl *ClearCrashKeyValue)(const wchar_t*);
void SetCrashKeyValueTrampoline(const base::StringPiece& key,
const base::StringPiece& value) {
static SetCrashKeyValue set_crash_key = NULL;
if (!set_crash_key) {
HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
if (!exe_module)
return;
set_crash_key = reinterpret_cast<SetCrashKeyValue>(
GetProcAddress(exe_module, "SetCrashKeyValueImpl"));
}
if (set_crash_key) {
(set_crash_key)(base::UTF8ToWide(key).data(),
base::UTF8ToWide(value).data());
}
}
void ClearCrashKeyValueTrampoline(const base::StringPiece& key) {
static ClearCrashKeyValue clear_crash_key = NULL;
if (!clear_crash_key) {
HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
if (!exe_module)
return;
clear_crash_key = reinterpret_cast<ClearCrashKeyValue>(
GetProcAddress(exe_module, "ClearCrashKeyValueImpl"));
}
if (clear_crash_key)
(clear_crash_key)(base::UTF8ToWide(key).data());
}
} // namespace
void Init() {
// Note: on other platforms, this is set up during Breakpad initialization,
// in ChromeBreakpadClient. But on Windows, that is before the DLL module is
// loaded, which is a prerequisite of the crash key system.
crash_keys::RegisterChromeCrashKeys();
base::debug::SetCrashKeyReportingFunctions(
&SetCrashKeyValueTrampoline, &ClearCrashKeyValueTrampoline);
// This would be handled by BreakpadClient::SetCrashClientIdFromGUID(), but
// because of the aforementioned issue, crash keys aren't ready yet at the
// time of Breakpad initialization, load the client id backed up in Google
// Update settings instead.
std::string client_guid;
if (GoogleUpdateSettings::LoadMetricsClientId(&client_guid))
crash_keys::SetCrashClientIdFromGUID(client_guid);
}
} // namespace child_process_logging
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