rsesek@chromium.org | 4fd393b | 2012-01-19 06:21:09 +0900 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
license.bot | f003cfe | 2008-08-24 09:55:55 +0900 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 4 | |
darin@google.com | 12d40bb | 2008-08-20 03:36:23 +0900 | [diff] [blame] | 5 | #include "base/logging.h" |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 6 | |
darin@google.com | 12d40bb | 2008-08-20 03:36:23 +0900 | [diff] [blame] | 7 | #if defined(OS_WIN) |
willchan@chromium.org | 85113a1 | 2009-12-08 13:22:50 +0900 | [diff] [blame] | 8 | #include <io.h> |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 9 | #include <windows.h> |
| 10 | typedef HANDLE FileHandle; |
| 11 | typedef HANDLE MutexHandle; |
willchan@chromium.org | 85113a1 | 2009-12-08 13:22:50 +0900 | [diff] [blame] | 12 | // Windows warns on using write(). It prefers _write(). |
| 13 | #define write(fd, buf, count) _write(fd, buf, static_cast<unsigned int>(count)) |
| 14 | // Windows doesn't define STDERR_FILENO. Define it here. |
| 15 | #define STDERR_FILENO 2 |
estade@chromium.org | f785550 | 2008-11-07 06:43:07 +0900 | [diff] [blame] | 16 | #elif defined(OS_MACOSX) |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 17 | #include <mach/mach.h> |
| 18 | #include <mach/mach_time.h> |
| 19 | #include <mach-o/dyld.h> |
evan@chromium.org | 875bb6e | 2009-12-29 09:32:52 +0900 | [diff] [blame] | 20 | #elif defined(OS_POSIX) |
abarth@chromium.org | e716286 | 2010-11-12 17:37:08 +0900 | [diff] [blame] | 21 | #if defined(OS_NACL) |
abarth@chromium.org | e716286 | 2010-11-12 17:37:08 +0900 | [diff] [blame] | 22 | #include <sys/time.h> // timespec doesn't seem to be in <time.h> |
| 23 | #else |
estade@chromium.org | f785550 | 2008-11-07 06:43:07 +0900 | [diff] [blame] | 24 | #include <sys/syscall.h> |
abarth@chromium.org | e716286 | 2010-11-12 17:37:08 +0900 | [diff] [blame] | 25 | #endif |
estade@chromium.org | f785550 | 2008-11-07 06:43:07 +0900 | [diff] [blame] | 26 | #include <time.h> |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 27 | #endif |
| 28 | |
| 29 | #if defined(OS_POSIX) |
tschmelcher@chromium.org | f29a4fc | 2009-10-10 08:52:20 +0900 | [diff] [blame] | 30 | #include <errno.h> |
bulach@chromium.org | 6d1153e | 2010-08-06 00:50:23 +0900 | [diff] [blame] | 31 | #include <pthread.h> |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 32 | #include <stdio.h> |
tfarina@chromium.org | b6d4911 | 2013-03-30 23:29:00 +0900 | [diff] [blame] | 33 | #include <stdlib.h> |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 34 | #include <string.h> |
| 35 | #include <unistd.h> |
| 36 | #define MAX_PATH PATH_MAX |
| 37 | typedef FILE* FileHandle; |
| 38 | typedef pthread_mutex_t* MutexHandle; |
| 39 | #endif |
| 40 | |
rvargas@google.com | fa62cd2 | 2011-04-01 09:02:29 +0900 | [diff] [blame] | 41 | #include <algorithm> |
| 42 | #include <cstring> |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 43 | #include <ctime> |
| 44 | #include <iomanip> |
rvargas@google.com | fa62cd2 | 2011-04-01 09:02:29 +0900 | [diff] [blame] | 45 | #include <ostream> |
vitalybuka@chromium.org | e871736 | 2014-04-23 10:11:01 +0900 | [diff] [blame] | 46 | #include <string> |
darin@google.com | 12d40bb | 2008-08-20 03:36:23 +0900 | [diff] [blame] | 47 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 48 | #include "base/base_switches.h" |
| 49 | #include "base/command_line.h" |
apatrick@chromium.org | 35e3899 | 2012-04-04 03:45:05 +0900 | [diff] [blame] | 50 | #include "base/debug/alias.h" |
brettw@chromium.org | 2f49b12 | 2010-10-26 13:07:50 +0900 | [diff] [blame] | 51 | #include "base/debug/debugger.h" |
| 52 | #include "base/debug/stack_trace.h" |
brettw@chromium.org | b1788fb | 2012-11-15 05:54:35 +0900 | [diff] [blame] | 53 | #include "base/posix/eintr_wrapper.h" |
tfarina@chromium.org | b6d4911 | 2013-03-30 23:29:00 +0900 | [diff] [blame] | 54 | #include "base/strings/string_piece.h" |
vitalybuka@chromium.org | e871736 | 2014-04-23 10:11:01 +0900 | [diff] [blame] | 55 | #include "base/strings/string_util.h" |
| 56 | #include "base/strings/stringprintf.h" |
avi@chromium.org | 17f6062 | 2013-06-08 03:37:07 +0900 | [diff] [blame] | 57 | #include "base/strings/utf_string_conversions.h" |
brettw@chromium.org | e439a96 | 2011-01-02 08:16:20 +0900 | [diff] [blame] | 58 | #include "base/synchronization/lock_impl.h" |
rsesek@chromium.org | 4fd393b | 2012-01-19 06:21:09 +0900 | [diff] [blame] | 59 | #include "base/threading/platform_thread.h" |
akalin@chromium.org | f0ee79c | 2010-09-30 04:26:36 +0900 | [diff] [blame] | 60 | #include "base/vlog.h" |
dmaclach@chromium.org | 3cae340 | 2010-12-15 01:20:04 +0900 | [diff] [blame] | 61 | #if defined(OS_POSIX) |
| 62 | #include "base/safe_strerror_posix.h" |
| 63 | #endif |
maruel@chromium.org | 8fe7adc | 2009-03-04 00:01:12 +0900 | [diff] [blame] | 64 | |
michaelbai@google.com | 01ef2f2 | 2011-07-08 05:46:50 +0900 | [diff] [blame] | 65 | #if defined(OS_ANDROID) |
| 66 | #include <android/log.h> |
| 67 | #endif |
| 68 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 69 | namespace logging { |
| 70 | |
stevenjb@chromium.org | 6c56fa4 | 2011-12-03 09:30:08 +0900 | [diff] [blame] | 71 | namespace { |
| 72 | |
akalin@chromium.org | f0ee79c | 2010-09-30 04:26:36 +0900 | [diff] [blame] | 73 | VlogInfo* g_vlog_info = NULL; |
stevenjb@chromium.org | 6c56fa4 | 2011-12-03 09:30:08 +0900 | [diff] [blame] | 74 | VlogInfo* g_vlog_info_prev = NULL; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 75 | |
| 76 | const char* const log_severity_names[LOG_NUM_SEVERITIES] = { |
viettrungluu@chromium.org | 96925ac | 2014-06-17 21:04:23 +0900 | [diff] [blame] | 77 | "INFO", "WARNING", "ERROR", "FATAL" }; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 78 | |
tsepez@chromium.org | eef2c1c | 2014-01-23 10:36:19 +0900 | [diff] [blame] | 79 | const char* log_severity_name(int severity) |
| 80 | { |
| 81 | if (severity >= 0 && severity < LOG_NUM_SEVERITIES) |
| 82 | return log_severity_names[severity]; |
| 83 | return "UNKNOWN"; |
| 84 | } |
| 85 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 86 | int min_log_level = 0; |
mmentovai@google.com | f0944f3 | 2008-08-20 08:39:32 +0900 | [diff] [blame] | 87 | |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 88 | LoggingDestination logging_destination = LOG_DEFAULT; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 89 | |
erikkay@google.com | a1ca46c | 2008-08-26 05:10:31 +0900 | [diff] [blame] | 90 | // For LOG_ERROR and above, always print to stderr. |
| 91 | const int kAlwaysPrintErrorLevel = LOG_ERROR; |
| 92 | |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 93 | // Which log file to use? This is initialized by InitLogging or |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 94 | // will be lazily initialized to the default value when it is |
| 95 | // first needed. |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 96 | #if defined(OS_WIN) |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 97 | typedef std::wstring PathString; |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 98 | #else |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 99 | typedef std::string PathString; |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 100 | #endif |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 101 | PathString* log_file_name = NULL; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 102 | |
| 103 | // this file is lazily opened and the handle may be NULL |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 104 | FileHandle log_file = NULL; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 105 | |
| 106 | // what should be prepended to each message? |
| 107 | bool log_process_id = false; |
| 108 | bool log_thread_id = false; |
| 109 | bool log_timestamp = true; |
| 110 | bool log_tickcount = false; |
| 111 | |
cmasone@google.com | f780248 | 2010-08-17 09:38:12 +0900 | [diff] [blame] | 112 | // Should we pop up fatal debug messages in a dialog? |
| 113 | bool show_error_dialogs = false; |
| 114 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 115 | // An assert handler override specified by the client to be called instead of |
huanr@chromium.org | 656253e | 2009-02-12 10:19:05 +0900 | [diff] [blame] | 116 | // the debug message dialog and process termination. |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 117 | LogAssertHandlerFunction log_assert_handler = NULL; |
siggi@chromium.org | 4db6579 | 2009-11-26 00:26:34 +0900 | [diff] [blame] | 118 | // A log message handler that gets notified of every log message we process. |
| 119 | LogMessageHandlerFunction log_message_handler = NULL; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 120 | |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 121 | // Helper functions to wrap platform differences. |
| 122 | |
estade@chromium.org | 1160a8b | 2008-11-06 08:17:24 +0900 | [diff] [blame] | 123 | int32 CurrentProcessId() { |
| 124 | #if defined(OS_WIN) |
| 125 | return GetCurrentProcessId(); |
| 126 | #elif defined(OS_POSIX) |
| 127 | return getpid(); |
| 128 | #endif |
| 129 | } |
| 130 | |
estade@chromium.org | 1160a8b | 2008-11-06 08:17:24 +0900 | [diff] [blame] | 131 | uint64 TickCount() { |
| 132 | #if defined(OS_WIN) |
| 133 | return GetTickCount(); |
| 134 | #elif defined(OS_MACOSX) |
| 135 | return mach_absolute_time(); |
abarth@chromium.org | e716286 | 2010-11-12 17:37:08 +0900 | [diff] [blame] | 136 | #elif defined(OS_NACL) |
| 137 | // NaCl sadly does not have _POSIX_TIMERS enabled in sys/features.h |
| 138 | // So we have to use clock() for now. |
| 139 | return clock(); |
evan@chromium.org | 875bb6e | 2009-12-29 09:32:52 +0900 | [diff] [blame] | 140 | #elif defined(OS_POSIX) |
estade@chromium.org | f785550 | 2008-11-07 06:43:07 +0900 | [diff] [blame] | 141 | struct timespec ts; |
| 142 | clock_gettime(CLOCK_MONOTONIC, &ts); |
| 143 | |
| 144 | uint64 absolute_micro = |
| 145 | static_cast<int64>(ts.tv_sec) * 1000000 + |
| 146 | static_cast<int64>(ts.tv_nsec) / 1000; |
| 147 | |
| 148 | return absolute_micro; |
estade@chromium.org | 1160a8b | 2008-11-06 08:17:24 +0900 | [diff] [blame] | 149 | #endif |
| 150 | } |
| 151 | |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 152 | void DeleteFilePath(const PathString& log_name) { |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 153 | #if defined(OS_WIN) |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 154 | DeleteFile(log_name.c_str()); |
teravest@chromium.org | e72bc48 | 2013-04-23 02:32:45 +0900 | [diff] [blame] | 155 | #elif defined (OS_NACL) |
| 156 | // Do nothing; unlink() isn't supported on NaCl. |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 157 | #else |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 158 | unlink(log_name.c_str()); |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 159 | #endif |
| 160 | } |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 161 | |
hansl@google.com | 6a29af5 | 2010-10-02 02:16:58 +0900 | [diff] [blame] | 162 | PathString GetDefaultLogFile() { |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 163 | #if defined(OS_WIN) |
| 164 | // On Windows we use the same path as the exe. |
| 165 | wchar_t module_name[MAX_PATH]; |
| 166 | GetModuleFileName(NULL, module_name, MAX_PATH); |
hansl@google.com | 6a29af5 | 2010-10-02 02:16:58 +0900 | [diff] [blame] | 167 | |
| 168 | PathString log_file = module_name; |
| 169 | PathString::size_type last_backslash = |
| 170 | log_file.rfind('\\', log_file.size()); |
| 171 | if (last_backslash != PathString::npos) |
| 172 | log_file.erase(last_backslash + 1); |
| 173 | log_file += L"debug.log"; |
| 174 | return log_file; |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 175 | #elif defined(OS_POSIX) |
| 176 | // On other platforms we just use the current directory. |
hansl@google.com | 6a29af5 | 2010-10-02 02:16:58 +0900 | [diff] [blame] | 177 | return PathString("debug.log"); |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 178 | #endif |
| 179 | } |
| 180 | |
| 181 | // This class acts as a wrapper for locking the logging files. |
| 182 | // LoggingLock::Init() should be called from the main thread before any logging |
| 183 | // is done. Then whenever logging, be sure to have a local LoggingLock |
| 184 | // instance on the stack. This will ensure that the lock is unlocked upon |
| 185 | // exiting the frame. |
| 186 | // LoggingLocks can not be nested. |
| 187 | class LoggingLock { |
| 188 | public: |
| 189 | LoggingLock() { |
| 190 | LockLogging(); |
| 191 | } |
| 192 | |
| 193 | ~LoggingLock() { |
| 194 | UnlockLogging(); |
| 195 | } |
| 196 | |
| 197 | static void Init(LogLockingState lock_log, const PathChar* new_log_file) { |
| 198 | if (initialized) |
| 199 | return; |
| 200 | lock_log_file = lock_log; |
| 201 | if (lock_log_file == LOCK_LOG_FILE) { |
| 202 | #if defined(OS_WIN) |
| 203 | if (!log_mutex) { |
| 204 | std::wstring safe_name; |
| 205 | if (new_log_file) |
| 206 | safe_name = new_log_file; |
| 207 | else |
hansl@google.com | 6a29af5 | 2010-10-02 02:16:58 +0900 | [diff] [blame] | 208 | safe_name = GetDefaultLogFile(); |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 209 | // \ is not a legal character in mutex names so we replace \ with / |
| 210 | std::replace(safe_name.begin(), safe_name.end(), '\\', '/'); |
| 211 | std::wstring t(L"Global\\"); |
| 212 | t.append(safe_name); |
| 213 | log_mutex = ::CreateMutex(NULL, FALSE, t.c_str()); |
hansl@google.com | 6a29af5 | 2010-10-02 02:16:58 +0900 | [diff] [blame] | 214 | |
| 215 | if (log_mutex == NULL) { |
| 216 | #if DEBUG |
| 217 | // Keep the error code for debugging |
| 218 | int error = GetLastError(); // NOLINT |
brettw@chromium.org | 2f49b12 | 2010-10-26 13:07:50 +0900 | [diff] [blame] | 219 | base::debug::BreakDebugger(); |
hansl@google.com | 6a29af5 | 2010-10-02 02:16:58 +0900 | [diff] [blame] | 220 | #endif |
| 221 | // Return nicely without putting initialized to true. |
| 222 | return; |
| 223 | } |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 224 | } |
| 225 | #endif |
| 226 | } else { |
brettw@chromium.org | e439a96 | 2011-01-02 08:16:20 +0900 | [diff] [blame] | 227 | log_lock = new base::internal::LockImpl(); |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 228 | } |
| 229 | initialized = true; |
| 230 | } |
| 231 | |
| 232 | private: |
| 233 | static void LockLogging() { |
| 234 | if (lock_log_file == LOCK_LOG_FILE) { |
| 235 | #if defined(OS_WIN) |
| 236 | ::WaitForSingleObject(log_mutex, INFINITE); |
| 237 | // WaitForSingleObject could have returned WAIT_ABANDONED. We don't |
| 238 | // abort the process here. UI tests might be crashy sometimes, |
| 239 | // and aborting the test binary only makes the problem worse. |
| 240 | // We also don't use LOG macros because that might lead to an infinite |
| 241 | // loop. For more info see http://crbug.com/18028. |
| 242 | #elif defined(OS_POSIX) |
| 243 | pthread_mutex_lock(&log_mutex); |
| 244 | #endif |
| 245 | } else { |
| 246 | // use the lock |
| 247 | log_lock->Lock(); |
| 248 | } |
| 249 | } |
| 250 | |
| 251 | static void UnlockLogging() { |
| 252 | if (lock_log_file == LOCK_LOG_FILE) { |
| 253 | #if defined(OS_WIN) |
| 254 | ReleaseMutex(log_mutex); |
| 255 | #elif defined(OS_POSIX) |
| 256 | pthread_mutex_unlock(&log_mutex); |
| 257 | #endif |
| 258 | } else { |
| 259 | log_lock->Unlock(); |
| 260 | } |
| 261 | } |
| 262 | |
| 263 | // The lock is used if log file locking is false. It helps us avoid problems |
| 264 | // with multiple threads writing to the log file at the same time. Use |
| 265 | // LockImpl directly instead of using Lock, because Lock makes logging calls. |
brettw@chromium.org | e439a96 | 2011-01-02 08:16:20 +0900 | [diff] [blame] | 266 | static base::internal::LockImpl* log_lock; |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 267 | |
| 268 | // When we don't use a lock, we are using a global mutex. We need to do this |
| 269 | // because LockFileEx is not thread safe. |
| 270 | #if defined(OS_WIN) |
| 271 | static MutexHandle log_mutex; |
| 272 | #elif defined(OS_POSIX) |
| 273 | static pthread_mutex_t log_mutex; |
| 274 | #endif |
| 275 | |
| 276 | static bool initialized; |
| 277 | static LogLockingState lock_log_file; |
| 278 | }; |
| 279 | |
| 280 | // static |
| 281 | bool LoggingLock::initialized = false; |
| 282 | // static |
brettw@chromium.org | e439a96 | 2011-01-02 08:16:20 +0900 | [diff] [blame] | 283 | base::internal::LockImpl* LoggingLock::log_lock = NULL; |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 284 | // static |
| 285 | LogLockingState LoggingLock::lock_log_file = LOCK_LOG_FILE; |
| 286 | |
| 287 | #if defined(OS_WIN) |
| 288 | // static |
| 289 | MutexHandle LoggingLock::log_mutex = NULL; |
| 290 | #elif defined(OS_POSIX) |
| 291 | pthread_mutex_t LoggingLock::log_mutex = PTHREAD_MUTEX_INITIALIZER; |
| 292 | #endif |
| 293 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 294 | // Called by logging functions to ensure that debug_file is initialized |
| 295 | // and can be used for writing. Returns false if the file could not be |
| 296 | // initialized. debug_file will be NULL in this case. |
| 297 | bool InitializeLogFileHandle() { |
| 298 | if (log_file) |
| 299 | return true; |
| 300 | |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 301 | if (!log_file_name) { |
| 302 | // Nobody has called InitLogging to specify a debug log file, so here we |
| 303 | // initialize the log file name to a default. |
hansl@google.com | 6a29af5 | 2010-10-02 02:16:58 +0900 | [diff] [blame] | 304 | log_file_name = new PathString(GetDefaultLogFile()); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 305 | } |
| 306 | |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 307 | if ((logging_destination & LOG_TO_FILE) != 0) { |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 308 | #if defined(OS_WIN) |
mmentovai@google.com | f0944f3 | 2008-08-20 08:39:32 +0900 | [diff] [blame] | 309 | log_file = CreateFile(log_file_name->c_str(), GENERIC_WRITE, |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 310 | FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, |
| 311 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); |
| 312 | if (log_file == INVALID_HANDLE_VALUE || log_file == NULL) { |
mmentovai@google.com | f0944f3 | 2008-08-20 08:39:32 +0900 | [diff] [blame] | 313 | // try the current directory |
| 314 | log_file = CreateFile(L".\\debug.log", GENERIC_WRITE, |
| 315 | FILE_SHARE_READ | FILE_SHARE_WRITE, NULL, |
| 316 | OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); |
| 317 | if (log_file == INVALID_HANDLE_VALUE || log_file == NULL) { |
| 318 | log_file = NULL; |
| 319 | return false; |
| 320 | } |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 321 | } |
mmentovai@google.com | f0944f3 | 2008-08-20 08:39:32 +0900 | [diff] [blame] | 322 | SetFilePointer(log_file, 0, 0, FILE_END); |
dkegel@google.com | 43c3674 | 2009-06-09 08:29:11 +0900 | [diff] [blame] | 323 | #elif defined(OS_POSIX) |
| 324 | log_file = fopen(log_file_name->c_str(), "a"); |
| 325 | if (log_file == NULL) |
| 326 | return false; |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 327 | #endif |
mmentovai@google.com | f0944f3 | 2008-08-20 08:39:32 +0900 | [diff] [blame] | 328 | } |
| 329 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 330 | return true; |
| 331 | } |
| 332 | |
akalin@chromium.org | 2e983c5 | 2013-07-16 06:47:09 +0900 | [diff] [blame] | 333 | void CloseFile(FileHandle log) { |
| 334 | #if defined(OS_WIN) |
| 335 | CloseHandle(log); |
| 336 | #else |
| 337 | fclose(log); |
| 338 | #endif |
| 339 | } |
| 340 | |
| 341 | void CloseLogFileUnlocked() { |
| 342 | if (!log_file) |
| 343 | return; |
| 344 | |
| 345 | CloseFile(log_file); |
| 346 | log_file = NULL; |
| 347 | } |
| 348 | |
stevenjb@chromium.org | 6c56fa4 | 2011-12-03 09:30:08 +0900 | [diff] [blame] | 349 | } // namespace |
| 350 | |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 351 | LoggingSettings::LoggingSettings() |
| 352 | : logging_dest(LOG_DEFAULT), |
| 353 | log_file(NULL), |
| 354 | lock_log(LOCK_LOG_FILE), |
wangxianzhu@chromium.org | 75a5cd9 | 2014-03-11 03:23:38 +0900 | [diff] [blame] | 355 | delete_old(APPEND_TO_OLD_LOG_FILE) {} |
stevenjb@chromium.org | 6c56fa4 | 2011-12-03 09:30:08 +0900 | [diff] [blame] | 356 | |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 357 | bool BaseInitLoggingImpl(const LoggingSettings& settings) { |
teravest@chromium.org | e72bc48 | 2013-04-23 02:32:45 +0900 | [diff] [blame] | 358 | #if defined(OS_NACL) |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 359 | // Can log only to the system debug log. |
| 360 | CHECK_EQ(settings.logging_dest & ~LOG_TO_SYSTEM_DEBUG_LOG, 0); |
teravest@chromium.org | e72bc48 | 2013-04-23 02:32:45 +0900 | [diff] [blame] | 361 | #endif |
bbudge@chromium.org | d673b62 | 2012-02-29 06:35:44 +0900 | [diff] [blame] | 362 | CommandLine* command_line = CommandLine::ForCurrentProcess(); |
akalin@chromium.org | f0ee79c | 2010-09-30 04:26:36 +0900 | [diff] [blame] | 363 | // Don't bother initializing g_vlog_info unless we use one of the |
| 364 | // vlog switches. |
| 365 | if (command_line->HasSwitch(switches::kV) || |
| 366 | command_line->HasSwitch(switches::kVModule)) { |
stevenjb@chromium.org | 6c56fa4 | 2011-12-03 09:30:08 +0900 | [diff] [blame] | 367 | // NOTE: If g_vlog_info has already been initialized, it might be in use |
| 368 | // by another thread. Don't delete the old VLogInfo, just create a second |
| 369 | // one. We keep track of both to avoid memory leak warnings. |
| 370 | CHECK(!g_vlog_info_prev); |
| 371 | g_vlog_info_prev = g_vlog_info; |
| 372 | |
akalin@chromium.org | f0ee79c | 2010-09-30 04:26:36 +0900 | [diff] [blame] | 373 | g_vlog_info = |
| 374 | new VlogInfo(command_line->GetSwitchValueASCII(switches::kV), |
siggi@chromium.org | 25396e1 | 2010-11-05 00:50:49 +0900 | [diff] [blame] | 375 | command_line->GetSwitchValueASCII(switches::kVModule), |
| 376 | &min_log_level); |
akalin@chromium.org | f0ee79c | 2010-09-30 04:26:36 +0900 | [diff] [blame] | 377 | } |
| 378 | |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 379 | logging_destination = settings.logging_dest; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 380 | |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 381 | // ignore file options unless logging to file is set. |
| 382 | if ((logging_destination & LOG_TO_FILE) == 0) |
gspencer@chromium.org | 49c808a | 2010-10-28 09:20:21 +0900 | [diff] [blame] | 383 | return true; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 384 | |
akalin@chromium.org | 2e983c5 | 2013-07-16 06:47:09 +0900 | [diff] [blame] | 385 | LoggingLock::Init(settings.lock_log, settings.log_file); |
| 386 | LoggingLock logging_lock; |
| 387 | |
| 388 | // Calling InitLogging twice or after some log call has already opened the |
| 389 | // default log file will re-initialize to the new options. |
| 390 | CloseLogFileUnlocked(); |
| 391 | |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 392 | if (!log_file_name) |
| 393 | log_file_name = new PathString(); |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 394 | *log_file_name = settings.log_file; |
| 395 | if (settings.delete_old == DELETE_OLD_LOG_FILE) |
evanm@google.com | 4487dd7 | 2008-08-12 07:52:59 +0900 | [diff] [blame] | 396 | DeleteFilePath(*log_file_name); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 397 | |
gspencer@chromium.org | 49c808a | 2010-10-28 09:20:21 +0900 | [diff] [blame] | 398 | return InitializeLogFileHandle(); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 399 | } |
| 400 | |
| 401 | void SetMinLogLevel(int level) { |
viettrungluu@chromium.org | 96925ac | 2014-06-17 21:04:23 +0900 | [diff] [blame] | 402 | min_log_level = std::min(LOG_FATAL, level); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 403 | } |
| 404 | |
| 405 | int GetMinLogLevel() { |
| 406 | return min_log_level; |
| 407 | } |
| 408 | |
siggi@chromium.org | 25396e1 | 2010-11-05 00:50:49 +0900 | [diff] [blame] | 409 | int GetVlogVerbosity() { |
| 410 | return std::max(-1, LOG_INFO - GetMinLogLevel()); |
| 411 | } |
| 412 | |
akalin@chromium.org | f0ee79c | 2010-09-30 04:26:36 +0900 | [diff] [blame] | 413 | int GetVlogLevelHelper(const char* file, size_t N) { |
| 414 | DCHECK_GT(N, 0U); |
stevenjb@chromium.org | 6c56fa4 | 2011-12-03 09:30:08 +0900 | [diff] [blame] | 415 | // Note: g_vlog_info may change on a different thread during startup |
| 416 | // (but will always be valid or NULL). |
| 417 | VlogInfo* vlog_info = g_vlog_info; |
| 418 | return vlog_info ? |
| 419 | vlog_info->GetVlogLevel(base::StringPiece(file, N - 1)) : |
siggi@chromium.org | 25396e1 | 2010-11-05 00:50:49 +0900 | [diff] [blame] | 420 | GetVlogVerbosity(); |
akalin@chromium.org | f0ee79c | 2010-09-30 04:26:36 +0900 | [diff] [blame] | 421 | } |
| 422 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 423 | void SetLogItems(bool enable_process_id, bool enable_thread_id, |
| 424 | bool enable_timestamp, bool enable_tickcount) { |
| 425 | log_process_id = enable_process_id; |
| 426 | log_thread_id = enable_thread_id; |
| 427 | log_timestamp = enable_timestamp; |
| 428 | log_tickcount = enable_tickcount; |
| 429 | } |
| 430 | |
cmasone@google.com | f780248 | 2010-08-17 09:38:12 +0900 | [diff] [blame] | 431 | void SetShowErrorDialogs(bool enable_dialogs) { |
| 432 | show_error_dialogs = enable_dialogs; |
| 433 | } |
| 434 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 435 | void SetLogAssertHandler(LogAssertHandlerFunction handler) { |
| 436 | log_assert_handler = handler; |
| 437 | } |
| 438 | |
siggi@chromium.org | 4db6579 | 2009-11-26 00:26:34 +0900 | [diff] [blame] | 439 | void SetLogMessageHandler(LogMessageHandlerFunction handler) { |
| 440 | log_message_handler = handler; |
| 441 | } |
| 442 | |
hansl@google.com | 519197c | 2010-11-04 04:20:27 +0900 | [diff] [blame] | 443 | LogMessageHandlerFunction GetLogMessageHandler() { |
| 444 | return log_message_handler; |
| 445 | } |
| 446 | |
erg@google.com | 6575f36 | 2010-10-01 04:10:03 +0900 | [diff] [blame] | 447 | // MSVC doesn't like complex extern templates and DLLs. |
| 448 | #if !defined(COMPILER_MSVC) |
| 449 | // Explicit instantiations for commonly used comparisons. |
| 450 | template std::string* MakeCheckOpString<int, int>( |
| 451 | const int&, const int&, const char* names); |
| 452 | template std::string* MakeCheckOpString<unsigned long, unsigned long>( |
| 453 | const unsigned long&, const unsigned long&, const char* names); |
| 454 | template std::string* MakeCheckOpString<unsigned long, unsigned int>( |
| 455 | const unsigned long&, const unsigned int&, const char* names); |
| 456 | template std::string* MakeCheckOpString<unsigned int, unsigned long>( |
| 457 | const unsigned int&, const unsigned long&, const char* names); |
| 458 | template std::string* MakeCheckOpString<std::string, std::string>( |
| 459 | const std::string&, const std::string&, const char* name); |
| 460 | #endif |
siggi@chromium.org | 4db6579 | 2009-11-26 00:26:34 +0900 | [diff] [blame] | 461 | |
viettrungluu@chromium.org | 96925ac | 2014-06-17 21:04:23 +0900 | [diff] [blame] | 462 | #if !defined(NDEBUG) |
evan@chromium.org | 5f1eade | 2010-03-01 22:10:22 +0900 | [diff] [blame] | 463 | // Displays a message box to the user with the error message in it. |
| 464 | // Used for fatal messages, where we close the app simultaneously. |
evan@chromium.org | e6bd8fa | 2010-12-17 08:29:25 +0900 | [diff] [blame] | 465 | // This is for developers only; we don't use this in circumstances |
| 466 | // (like release builds) where users could see it, since users don't |
| 467 | // understand these messages anyway. |
evan@chromium.org | 5f1eade | 2010-03-01 22:10:22 +0900 | [diff] [blame] | 468 | void DisplayDebugMessageInDialog(const std::string& str) { |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 469 | if (str.empty()) |
| 470 | return; |
| 471 | |
cmasone@google.com | f780248 | 2010-08-17 09:38:12 +0900 | [diff] [blame] | 472 | if (!show_error_dialogs) |
phajdan.jr@chromium.org | d4794e6 | 2010-07-30 05:33:44 +0900 | [diff] [blame] | 473 | return; |
| 474 | |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 475 | #if defined(OS_WIN) |
evan@chromium.org | 5f1eade | 2010-03-01 22:10:22 +0900 | [diff] [blame] | 476 | // For Windows programs, it's possible that the message loop is |
| 477 | // messed up on a fatal error, and creating a MessageBox will cause |
| 478 | // that message loop to be run. Instead, we try to spawn another |
| 479 | // process that displays its command line. We look for "Debug |
| 480 | // Message.exe" in the same directory as the application. If it |
| 481 | // exists, we use it, otherwise, we use a regular message box. |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 482 | wchar_t prog_name[MAX_PATH]; |
| 483 | GetModuleFileNameW(NULL, prog_name, MAX_PATH); |
| 484 | wchar_t* backslash = wcsrchr(prog_name, '\\'); |
| 485 | if (backslash) |
| 486 | backslash[1] = 0; |
| 487 | wcscat_s(prog_name, MAX_PATH, L"debug_message.exe"); |
| 488 | |
avi@chromium.org | 0e569b9 | 2013-12-26 16:07:56 +0900 | [diff] [blame] | 489 | std::wstring cmdline = base::UTF8ToWide(str); |
mark@chromium.org | a332aa9 | 2009-03-26 07:12:02 +0900 | [diff] [blame] | 490 | if (cmdline.empty()) |
| 491 | return; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 492 | |
| 493 | STARTUPINFO startup_info; |
| 494 | memset(&startup_info, 0, sizeof(startup_info)); |
| 495 | startup_info.cb = sizeof(startup_info); |
| 496 | |
| 497 | PROCESS_INFORMATION process_info; |
mark@chromium.org | a332aa9 | 2009-03-26 07:12:02 +0900 | [diff] [blame] | 498 | if (CreateProcessW(prog_name, &cmdline[0], NULL, NULL, false, 0, NULL, |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 499 | NULL, &startup_info, &process_info)) { |
| 500 | WaitForSingleObject(process_info.hProcess, INFINITE); |
| 501 | CloseHandle(process_info.hThread); |
| 502 | CloseHandle(process_info.hProcess); |
| 503 | } else { |
| 504 | // debug process broken, let's just do a message box |
mark@chromium.org | a332aa9 | 2009-03-26 07:12:02 +0900 | [diff] [blame] | 505 | MessageBoxW(NULL, &cmdline[0], L"Fatal error", |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 506 | MB_OK | MB_ICONHAND | MB_TOPMOST); |
| 507 | } |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 508 | #else |
evan@chromium.org | e6bd8fa | 2010-12-17 08:29:25 +0900 | [diff] [blame] | 509 | // We intentionally don't implement a dialog on other platforms. |
| 510 | // You can just look at stderr. |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 511 | #endif |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 512 | } |
viettrungluu@chromium.org | 96925ac | 2014-06-17 21:04:23 +0900 | [diff] [blame] | 513 | #endif // !defined(NDEBUG) |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 514 | |
tommi@google.com | 82788e1 | 2009-04-15 01:52:11 +0900 | [diff] [blame] | 515 | #if defined(OS_WIN) |
| 516 | LogMessage::SaveLastError::SaveLastError() : last_error_(::GetLastError()) { |
| 517 | } |
| 518 | |
| 519 | LogMessage::SaveLastError::~SaveLastError() { |
| 520 | ::SetLastError(last_error_); |
| 521 | } |
| 522 | #endif // defined(OS_WIN) |
| 523 | |
erg@google.com | 37c078e | 2011-01-11 09:50:59 +0900 | [diff] [blame] | 524 | LogMessage::LogMessage(const char* file, int line, LogSeverity severity) |
| 525 | : severity_(severity), file_(file), line_(line) { |
| 526 | Init(file, line); |
| 527 | } |
| 528 | |
akalin@chromium.org | 63dab76 | 2011-02-08 16:39:08 +0900 | [diff] [blame] | 529 | LogMessage::LogMessage(const char* file, int line, std::string* result) |
siggi@chromium.org | 25396e1 | 2010-11-05 00:50:49 +0900 | [diff] [blame] | 530 | : severity_(LOG_FATAL), file_(file), line_(line) { |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 531 | Init(file, line); |
akalin@chromium.org | 63dab76 | 2011-02-08 16:39:08 +0900 | [diff] [blame] | 532 | stream_ << "Check failed: " << *result; |
| 533 | delete result; |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 534 | } |
| 535 | |
huanr@chromium.org | 656253e | 2009-02-12 10:19:05 +0900 | [diff] [blame] | 536 | LogMessage::LogMessage(const char* file, int line, LogSeverity severity, |
akalin@chromium.org | 63dab76 | 2011-02-08 16:39:08 +0900 | [diff] [blame] | 537 | std::string* result) |
siggi@chromium.org | 25396e1 | 2010-11-05 00:50:49 +0900 | [diff] [blame] | 538 | : severity_(severity), file_(file), line_(line) { |
huanr@chromium.org | 656253e | 2009-02-12 10:19:05 +0900 | [diff] [blame] | 539 | Init(file, line); |
akalin@chromium.org | 63dab76 | 2011-02-08 16:39:08 +0900 | [diff] [blame] | 540 | stream_ << "Check failed: " << *result; |
| 541 | delete result; |
huanr@chromium.org | 656253e | 2009-02-12 10:19:05 +0900 | [diff] [blame] | 542 | } |
| 543 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 544 | LogMessage::~LogMessage() { |
mostynb@opera.com | b98da34 | 2014-04-19 08:40:16 +0900 | [diff] [blame] | 545 | #if !defined(NDEBUG) && !defined(OS_NACL) && !defined(__UCLIBC__) |
oshima@chromium.org | f79db07 | 2010-03-24 14:03:24 +0900 | [diff] [blame] | 546 | if (severity_ == LOG_FATAL) { |
| 547 | // Include a stack trace on a fatal. |
brettw@chromium.org | 2f49b12 | 2010-10-26 13:07:50 +0900 | [diff] [blame] | 548 | base::debug::StackTrace trace; |
oshima@chromium.org | f79db07 | 2010-03-24 14:03:24 +0900 | [diff] [blame] | 549 | stream_ << std::endl; // Newline to separate from log message. |
| 550 | trace.OutputToStream(&stream_); |
| 551 | } |
mmentovai@google.com | f0944f3 | 2008-08-20 08:39:32 +0900 | [diff] [blame] | 552 | #endif |
oshima@chromium.org | f79db07 | 2010-03-24 14:03:24 +0900 | [diff] [blame] | 553 | stream_ << std::endl; |
| 554 | std::string str_newline(stream_.str()); |
| 555 | |
siggi@chromium.org | 4db6579 | 2009-11-26 00:26:34 +0900 | [diff] [blame] | 556 | // Give any log message handler first dibs on the message. |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 557 | if (log_message_handler && |
| 558 | log_message_handler(severity_, file_, line_, |
| 559 | message_start_, str_newline)) { |
siggi@chromium.org | 25396e1 | 2010-11-05 00:50:49 +0900 | [diff] [blame] | 560 | // The handler took care of it, no further processing. |
siggi@chromium.org | 4db6579 | 2009-11-26 00:26:34 +0900 | [diff] [blame] | 561 | return; |
siggi@chromium.org | 25396e1 | 2010-11-05 00:50:49 +0900 | [diff] [blame] | 562 | } |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 563 | |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 564 | if ((logging_destination & LOG_TO_SYSTEM_DEBUG_LOG) != 0) { |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 565 | #if defined(OS_WIN) |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 566 | OutputDebugStringA(str_newline.c_str()); |
michaelbai@google.com | 01ef2f2 | 2011-07-08 05:46:50 +0900 | [diff] [blame] | 567 | #elif defined(OS_ANDROID) |
acolwell@chromium.org | 7d65ee6 | 2013-05-22 07:39:25 +0900 | [diff] [blame] | 568 | android_LogPriority priority = |
| 569 | (severity_ < 0) ? ANDROID_LOG_VERBOSE : ANDROID_LOG_UNKNOWN; |
michaelbai@google.com | 01ef2f2 | 2011-07-08 05:46:50 +0900 | [diff] [blame] | 570 | switch (severity_) { |
| 571 | case LOG_INFO: |
| 572 | priority = ANDROID_LOG_INFO; |
| 573 | break; |
| 574 | case LOG_WARNING: |
| 575 | priority = ANDROID_LOG_WARN; |
| 576 | break; |
| 577 | case LOG_ERROR: |
michaelbai@google.com | 01ef2f2 | 2011-07-08 05:46:50 +0900 | [diff] [blame] | 578 | priority = ANDROID_LOG_ERROR; |
| 579 | break; |
| 580 | case LOG_FATAL: |
| 581 | priority = ANDROID_LOG_FATAL; |
| 582 | break; |
| 583 | } |
| 584 | __android_log_write(priority, "chromium", str_newline.c_str()); |
erikkay@google.com | 7139eb2 | 2008-08-27 02:48:18 +0900 | [diff] [blame] | 585 | #endif |
joaoe@opera.com | 1e70682 | 2014-03-15 02:02:15 +0900 | [diff] [blame] | 586 | ignore_result(fwrite(str_newline.data(), str_newline.size(), 1, stderr)); |
darin@chromium.org | 33fd312 | 2010-09-25 00:43:06 +0900 | [diff] [blame] | 587 | fflush(stderr); |
erikkay@google.com | a1ca46c | 2008-08-26 05:10:31 +0900 | [diff] [blame] | 588 | } else if (severity_ >= kAlwaysPrintErrorLevel) { |
| 589 | // When we're only outputting to a log file, above a certain log level, we |
| 590 | // should still output to stderr so that we can better detect and diagnose |
| 591 | // problems with unit tests, especially on the buildbots. |
joaoe@opera.com | 1e70682 | 2014-03-15 02:02:15 +0900 | [diff] [blame] | 592 | ignore_result(fwrite(str_newline.data(), str_newline.size(), 1, stderr)); |
derat@chromium.org | e4ef1ac | 2009-12-02 09:34:02 +0900 | [diff] [blame] | 593 | fflush(stderr); |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 594 | } |
maruel@chromium.org | 8fe7adc | 2009-03-04 00:01:12 +0900 | [diff] [blame] | 595 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 596 | // write to log file |
akalin@chromium.org | 6d98720 | 2013-06-22 06:15:33 +0900 | [diff] [blame] | 597 | if ((logging_destination & LOG_TO_FILE) != 0) { |
akalin@chromium.org | 2e983c5 | 2013-07-16 06:47:09 +0900 | [diff] [blame] | 598 | // We can have multiple threads and/or processes, so try to prevent them |
| 599 | // from clobbering each other's writes. |
| 600 | // If the client app did not call InitLogging, and the lock has not |
| 601 | // been created do it now. We do this on demand, but if two threads try |
| 602 | // to do this at the same time, there will be a race condition to create |
| 603 | // the lock. This is why InitLogging should be called from the main |
| 604 | // thread at the beginning of execution. |
| 605 | LoggingLock::Init(LOCK_LOG_FILE, NULL); |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 606 | LoggingLock logging_lock; |
| 607 | if (InitializeLogFileHandle()) { |
pinkerton@google.com | 56053fe | 2008-08-08 22:27:28 +0900 | [diff] [blame] | 608 | #if defined(OS_WIN) |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 609 | SetFilePointer(log_file, 0, 0, SEEK_END); |
| 610 | DWORD num_written; |
| 611 | WriteFile(log_file, |
| 612 | static_cast<const void*>(str_newline.c_str()), |
| 613 | static_cast<DWORD>(str_newline.length()), |
| 614 | &num_written, |
| 615 | NULL); |
davemoore@chromium.org | 7e79d07 | 2010-09-01 07:35:55 +0900 | [diff] [blame] | 616 | #else |
joaoe@opera.com | 1e70682 | 2014-03-15 02:02:15 +0900 | [diff] [blame] | 617 | ignore_result(fwrite( |
| 618 | str_newline.data(), str_newline.size(), 1, log_file)); |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 619 | fflush(log_file); |
davemoore@chromium.org | 7e79d07 | 2010-09-01 07:35:55 +0900 | [diff] [blame] | 620 | #endif |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 621 | } |
| 622 | } |
| 623 | |
| 624 | if (severity_ == LOG_FATAL) { |
apatrick@chromium.org | 35e3899 | 2012-04-04 03:45:05 +0900 | [diff] [blame] | 625 | // Ensure the first characters of the string are on the stack so they |
| 626 | // are contained in minidumps for diagnostic purposes. |
| 627 | char str_stack[1024]; |
| 628 | str_newline.copy(str_stack, arraysize(str_stack)); |
| 629 | base::debug::Alias(str_stack); |
| 630 | |
rch@chromium.org | 434edfb | 2014-03-01 03:25:34 +0900 | [diff] [blame] | 631 | if (log_assert_handler) { |
| 632 | // Make a copy of the string for the handler out of paranoia. |
| 633 | log_assert_handler(std::string(stream_.str())); |
deanm@google.com | c2b652a | 2008-08-13 20:15:11 +0900 | [diff] [blame] | 634 | } else { |
rch@chromium.org | 434edfb | 2014-03-01 03:25:34 +0900 | [diff] [blame] | 635 | // Don't use the string with the newline, get a fresh version to send to |
| 636 | // the debug message process. We also don't display assertions to the |
| 637 | // user in release mode. The enduser can't do anything with this |
| 638 | // information, and displaying message boxes when the application is |
| 639 | // hosed can cause additional problems. |
brettw@google.com | ed61ae4 | 2008-11-06 09:33:50 +0900 | [diff] [blame] | 640 | #ifndef NDEBUG |
rch@chromium.org | 434edfb | 2014-03-01 03:25:34 +0900 | [diff] [blame] | 641 | DisplayDebugMessageInDialog(stream_.str()); |
brettw@google.com | ed61ae4 | 2008-11-06 09:33:50 +0900 | [diff] [blame] | 642 | #endif |
rch@chromium.org | 434edfb | 2014-03-01 03:25:34 +0900 | [diff] [blame] | 643 | // Crash the process to generate a dump. |
| 644 | base::debug::BreakDebugger(); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 645 | } |
| 646 | } |
| 647 | } |
| 648 | |
erg@google.com | 37c078e | 2011-01-11 09:50:59 +0900 | [diff] [blame] | 649 | // writes the common header info to the stream |
| 650 | void LogMessage::Init(const char* file, int line) { |
| 651 | base::StringPiece filename(file); |
| 652 | size_t last_slash_pos = filename.find_last_of("\\/"); |
| 653 | if (last_slash_pos != base::StringPiece::npos) |
| 654 | filename.remove_prefix(last_slash_pos + 1); |
| 655 | |
| 656 | // TODO(darin): It might be nice if the columns were fixed width. |
| 657 | |
| 658 | stream_ << '['; |
| 659 | if (log_process_id) |
| 660 | stream_ << CurrentProcessId() << ':'; |
| 661 | if (log_thread_id) |
rsesek@chromium.org | 4fd393b | 2012-01-19 06:21:09 +0900 | [diff] [blame] | 662 | stream_ << base::PlatformThread::CurrentId() << ':'; |
erg@google.com | 37c078e | 2011-01-11 09:50:59 +0900 | [diff] [blame] | 663 | if (log_timestamp) { |
| 664 | time_t t = time(NULL); |
| 665 | struct tm local_time = {0}; |
| 666 | #if _MSC_VER >= 1400 |
| 667 | localtime_s(&local_time, &t); |
| 668 | #else |
| 669 | localtime_r(&t, &local_time); |
| 670 | #endif |
| 671 | struct tm* tm_time = &local_time; |
| 672 | stream_ << std::setfill('0') |
| 673 | << std::setw(2) << 1 + tm_time->tm_mon |
| 674 | << std::setw(2) << tm_time->tm_mday |
| 675 | << '/' |
| 676 | << std::setw(2) << tm_time->tm_hour |
| 677 | << std::setw(2) << tm_time->tm_min |
| 678 | << std::setw(2) << tm_time->tm_sec |
| 679 | << ':'; |
| 680 | } |
| 681 | if (log_tickcount) |
| 682 | stream_ << TickCount() << ':'; |
| 683 | if (severity_ >= 0) |
tsepez@chromium.org | eef2c1c | 2014-01-23 10:36:19 +0900 | [diff] [blame] | 684 | stream_ << log_severity_name(severity_); |
erg@google.com | 37c078e | 2011-01-11 09:50:59 +0900 | [diff] [blame] | 685 | else |
| 686 | stream_ << "VERBOSE" << -severity_; |
| 687 | |
| 688 | stream_ << ":" << filename << "(" << line << ")] "; |
| 689 | |
| 690 | message_start_ = stream_.tellp(); |
| 691 | } |
| 692 | |
tschmelcher@chromium.org | f29a4fc | 2009-10-10 08:52:20 +0900 | [diff] [blame] | 693 | #if defined(OS_WIN) |
| 694 | // This has already been defined in the header, but defining it again as DWORD |
| 695 | // ensures that the type used in the header is equivalent to DWORD. If not, |
| 696 | // the redefinition is a compile error. |
| 697 | typedef DWORD SystemErrorCode; |
| 698 | #endif |
| 699 | |
| 700 | SystemErrorCode GetLastSystemErrorCode() { |
| 701 | #if defined(OS_WIN) |
| 702 | return ::GetLastError(); |
| 703 | #elif defined(OS_POSIX) |
| 704 | return errno; |
| 705 | #else |
| 706 | #error Not implemented |
| 707 | #endif |
| 708 | } |
| 709 | |
| 710 | #if defined(OS_WIN) |
vitalybuka@chromium.org | e871736 | 2014-04-23 10:11:01 +0900 | [diff] [blame] | 711 | BASE_EXPORT std::string SystemErrorCodeToString(SystemErrorCode error_code) { |
| 712 | const int error_message_buffer_size = 256; |
| 713 | char msgbuf[error_message_buffer_size]; |
| 714 | DWORD flags = FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS; |
| 715 | DWORD len = FormatMessageA(flags, NULL, error_code, 0, msgbuf, |
| 716 | arraysize(msgbuf), NULL); |
| 717 | if (len) { |
| 718 | // Messages returned by system end with line breaks. |
| 719 | return base::CollapseWhitespaceASCII(msgbuf, true) + |
| 720 | base::StringPrintf(" (0x%X)", error_code); |
| 721 | } |
| 722 | return base::StringPrintf("Error (0x%X) while retrieving error. (0x%X)", |
| 723 | GetLastError(), error_code); |
tschmelcher@chromium.org | f29a4fc | 2009-10-10 08:52:20 +0900 | [diff] [blame] | 724 | } |
vitalybuka@chromium.org | e871736 | 2014-04-23 10:11:01 +0900 | [diff] [blame] | 725 | #elif defined(OS_POSIX) |
| 726 | BASE_EXPORT std::string SystemErrorCodeToString(SystemErrorCode error_code) { |
| 727 | return safe_strerror(error_code); |
| 728 | } |
| 729 | #else |
| 730 | #error Not implemented |
| 731 | #endif |
tschmelcher@chromium.org | f29a4fc | 2009-10-10 08:52:20 +0900 | [diff] [blame] | 732 | |
vitalybuka@chromium.org | e871736 | 2014-04-23 10:11:01 +0900 | [diff] [blame] | 733 | |
| 734 | #if defined(OS_WIN) |
tschmelcher@chromium.org | f29a4fc | 2009-10-10 08:52:20 +0900 | [diff] [blame] | 735 | Win32ErrorLogMessage::Win32ErrorLogMessage(const char* file, |
| 736 | int line, |
| 737 | LogSeverity severity, |
| 738 | SystemErrorCode err) |
| 739 | : err_(err), |
tschmelcher@chromium.org | f29a4fc | 2009-10-10 08:52:20 +0900 | [diff] [blame] | 740 | log_message_(file, line, severity) { |
| 741 | } |
| 742 | |
| 743 | Win32ErrorLogMessage::~Win32ErrorLogMessage() { |
vitalybuka@chromium.org | e871736 | 2014-04-23 10:11:01 +0900 | [diff] [blame] | 744 | stream() << ": " << SystemErrorCodeToString(err_); |
sky@chromium.org | d2a1c27 | 2012-04-06 01:57:06 +0900 | [diff] [blame] | 745 | // We're about to crash (CHECK). Put |err_| on the stack (by placing it in a |
| 746 | // field) and use Alias in hopes that it makes it into crash dumps. |
| 747 | DWORD last_error = err_; |
| 748 | base::debug::Alias(&last_error); |
tschmelcher@chromium.org | f29a4fc | 2009-10-10 08:52:20 +0900 | [diff] [blame] | 749 | } |
| 750 | #elif defined(OS_POSIX) |
| 751 | ErrnoLogMessage::ErrnoLogMessage(const char* file, |
| 752 | int line, |
| 753 | LogSeverity severity, |
| 754 | SystemErrorCode err) |
| 755 | : err_(err), |
| 756 | log_message_(file, line, severity) { |
| 757 | } |
| 758 | |
| 759 | ErrnoLogMessage::~ErrnoLogMessage() { |
vitalybuka@chromium.org | e871736 | 2014-04-23 10:11:01 +0900 | [diff] [blame] | 760 | stream() << ": " << SystemErrorCodeToString(err_); |
tschmelcher@chromium.org | f29a4fc | 2009-10-10 08:52:20 +0900 | [diff] [blame] | 761 | } |
| 762 | #endif // OS_WIN |
| 763 | |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 764 | void CloseLogFile() { |
davemoore@chromium.org | c4dae76 | 2010-09-15 07:24:55 +0900 | [diff] [blame] | 765 | LoggingLock logging_lock; |
akalin@chromium.org | 2e983c5 | 2013-07-16 06:47:09 +0900 | [diff] [blame] | 766 | CloseLogFileUnlocked(); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 767 | } |
| 768 | |
willchan@chromium.org | 85113a1 | 2009-12-08 13:22:50 +0900 | [diff] [blame] | 769 | void RawLog(int level, const char* message) { |
| 770 | if (level >= min_log_level) { |
| 771 | size_t bytes_written = 0; |
| 772 | const size_t message_len = strlen(message); |
| 773 | int rv; |
| 774 | while (bytes_written < message_len) { |
| 775 | rv = HANDLE_EINTR( |
| 776 | write(STDERR_FILENO, message + bytes_written, |
| 777 | message_len - bytes_written)); |
| 778 | if (rv < 0) { |
| 779 | // Give up, nothing we can do now. |
| 780 | break; |
| 781 | } |
| 782 | bytes_written += rv; |
| 783 | } |
| 784 | |
| 785 | if (message_len > 0 && message[message_len - 1] != '\n') { |
| 786 | do { |
| 787 | rv = HANDLE_EINTR(write(STDERR_FILENO, "\n", 1)); |
| 788 | if (rv < 0) { |
| 789 | // Give up, nothing we can do now. |
| 790 | break; |
| 791 | } |
| 792 | } while (rv != 1); |
| 793 | } |
| 794 | } |
| 795 | |
| 796 | if (level == LOG_FATAL) |
brettw@chromium.org | 2f49b12 | 2010-10-26 13:07:50 +0900 | [diff] [blame] | 797 | base::debug::BreakDebugger(); |
willchan@chromium.org | 85113a1 | 2009-12-08 13:22:50 +0900 | [diff] [blame] | 798 | } |
| 799 | |
akalin@chromium.org | 227369d | 2012-01-20 15:33:27 +0900 | [diff] [blame] | 800 | // This was defined at the beginning of this file. |
| 801 | #undef write |
| 802 | |
ananta@chromium.org | 76bc94e | 2013-02-28 07:04:00 +0900 | [diff] [blame] | 803 | #if defined(OS_WIN) |
| 804 | std::wstring GetLogFileFullPath() { |
| 805 | if (log_file_name) |
| 806 | return *log_file_name; |
| 807 | return std::wstring(); |
| 808 | } |
| 809 | #endif |
| 810 | |
ajwong@chromium.org | 24cb89e | 2009-04-24 09:13:08 +0900 | [diff] [blame] | 811 | } // namespace logging |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 812 | |
jyasskin@chromium.org | f01cfba | 2014-07-09 08:03:06 +0900 | [diff] [blame] | 813 | std::ostream& std::operator<<(std::ostream& out, const wchar_t* wstr) { |
avi@chromium.org | 0e569b9 | 2013-12-26 16:07:56 +0900 | [diff] [blame] | 814 | return out << base::WideToUTF8(std::wstring(wstr)); |
initial.commit | 3f4a732 | 2008-07-27 06:49:38 +0900 | [diff] [blame] | 815 | } |