1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "chrome/common/child_process_logging.h"
6
7 #include <windows.h>
8
9 #include "base/debug/crash_logging.h"
10 #include "base/strings/utf_string_conversions.h"
11 #include "chrome/common/chrome_constants.h"
12 #include "chrome/common/crash_keys.h"
13 #include "chrome/installer/util/google_update_settings.h"
14
15 namespace child_process_logging {
16
17 namespace {
18
19 // exported in breakpad_win.cc:
20 // void __declspec(dllexport) __cdecl SetCrashKeyValueImpl.
21 typedef void (__cdecl *SetCrashKeyValue)(const wchar_t*, const wchar_t*);
22
23 // exported in breakpad_win.cc:
24 // void __declspec(dllexport) __cdecl ClearCrashKeyValueImpl.
25 typedef void (__cdecl *ClearCrashKeyValue)(const wchar_t*);
26
SetCrashKeyValueTrampoline(const base::StringPiece & key,const base::StringPiece & value)27 void SetCrashKeyValueTrampoline(const base::StringPiece& key,
28 const base::StringPiece& value) {
29 static SetCrashKeyValue set_crash_key = NULL;
30 if (!set_crash_key) {
31 HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
32 if (!exe_module)
33 return;
34 set_crash_key = reinterpret_cast<SetCrashKeyValue>(
35 GetProcAddress(exe_module, "SetCrashKeyValueImpl"));
36 }
37
38 if (set_crash_key) {
39 (set_crash_key)(base::UTF8ToWide(key).data(),
40 base::UTF8ToWide(value).data());
41 }
42 }
43
ClearCrashKeyValueTrampoline(const base::StringPiece & key)44 void ClearCrashKeyValueTrampoline(const base::StringPiece& key) {
45 static ClearCrashKeyValue clear_crash_key = NULL;
46 if (!clear_crash_key) {
47 HMODULE exe_module = GetModuleHandle(chrome::kBrowserProcessExecutableName);
48 if (!exe_module)
49 return;
50 clear_crash_key = reinterpret_cast<ClearCrashKeyValue>(
51 GetProcAddress(exe_module, "ClearCrashKeyValueImpl"));
52 }
53
54 if (clear_crash_key)
55 (clear_crash_key)(base::UTF8ToWide(key).data());
56 }
57
58 } // namespace
59
Init()60 void Init() {
61 // Note: on other platforms, this is set up during Breakpad initialization,
62 // in ChromeBreakpadClient. But on Windows, that is before the DLL module is
63 // loaded, which is a prerequisite of the crash key system.
64 crash_keys::RegisterChromeCrashKeys();
65 base::debug::SetCrashKeyReportingFunctions(
66 &SetCrashKeyValueTrampoline, &ClearCrashKeyValueTrampoline);
67
68 // This would be handled by BreakpadClient::SetClientID(), but because of the
69 // aforementioned issue, crash keys aren't ready yet at the time of Breakpad
70 // initialization.
71 std::string client_id;
72 if (GoogleUpdateSettings::GetMetricsId(&client_id))
73 base::debug::SetCrashKeyValue(crash_keys::kClientID, client_id);
74 }
75
76 } // namespace child_process_logging
77