core/Logger.cpp
author David Anderson <dvander@alliedmods.net>
Wed Feb 25 20:25:20 2009 -0500 (2009-02-25)
changeset 2613 46c76edb0875
parent 2475 297d0a773483
child 2726 c96f3fab8211
permissions -rw-r--r--
Removed tag sourcemod-1.1.1
     1 /**
     2  * vim: set ts=4 :
     3  * =============================================================================
     4  * SourceMod
     5  * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.
     6  * =============================================================================
     7  *
     8  * This program is free software; you can redistribute it and/or modify it under
     9  * the terms of the GNU General Public License, version 3.0, as published by the
    10  * Free Software Foundation.
    11  * 
    12  * This program is distributed in the hope that it will be useful, but WITHOUT
    13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
    14  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
    15  * details.
    16  *
    17  * You should have received a copy of the GNU General Public License along with
    18  * this program.  If not, see <http://www.gnu.org/licenses/>.
    19  *
    20  * As a special exception, AlliedModders LLC gives you permission to link the
    21  * code of this program (as well as its derivative works) to "Half-Life 2," the
    22  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
    23  * by the Valve Corporation.  You must obey the GNU General Public License in
    24  * all respects for all other code used.  Additionally, AlliedModders LLC grants
    25  * this exception to all derivative works.  AlliedModders LLC defines further
    26  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
    27  * or <http://www.sourcemod.net/license.php>.
    28  *
    29  * Version: $Id$
    30  */
    31 
    32 #include <time.h>
    33 #include "sourcemod.h"
    34 #include "sourcemm_api.h"
    35 #include "sm_stringutil.h"
    36 #include "Logger.h"
    37 #include "LibrarySys.h"
    38 #include "TimerSys.h"
    39 #include "sm_version.h"
    40 
    41 Logger g_Logger;
    42 
    43 /**
    44  * :TODO: This should be creating the log folder if it doesn't exist
    45  */
    46 
    47 ConfigResult Logger::OnSourceModConfigChanged(const char *key, 
    48 									  const char *value, 
    49 									  ConfigSource source,
    50 									  char *error, 
    51 									  size_t maxlength)
    52 {
    53 	if (strcasecmp(key, "Logging") == 0)
    54 	{
    55 		bool state;
    56 
    57 		if (strcasecmp(value, "on") == 0)
    58 		{
    59 			state = true;
    60 		} else if (strcasecmp(value, "off") == 0) {
    61 			state = false;
    62 		} else {
    63 			UTIL_Format(error, maxlength, "Invalid value: must be \"on\" or \"off\"");
    64 			return ConfigResult_Reject;
    65 		}
    66 
    67 		if (source == ConfigSource_Console)
    68 		{
    69 			state ? EnableLogging() : DisableLogging();
    70 		} else {
    71 			m_InitialState = state;
    72 		}
    73 
    74 		return ConfigResult_Accept;
    75 	} else if (strcasecmp(key, "LogMode") == 0) {
    76 		if (strcasecmp(value, "daily") == 0) 
    77 		{
    78 			m_Mode = LoggingMode_Daily;
    79 		} else if (strcasecmp(value, "map") == 0) {
    80 			m_Mode = LoggingMode_PerMap;
    81 		} else if (strcasecmp(value, "game") == 0) {
    82 			m_Mode = LoggingMode_Game;
    83 		} else {
    84 			UTIL_Format(error, maxlength, "Invalid value: must be [daily|map|game]");
    85 			return ConfigResult_Reject;
    86 		}
    87 
    88 		return ConfigResult_Accept;
    89 	}
    90 
    91 	return ConfigResult_Ignore;
    92 }
    93 
    94 void Logger::OnSourceModStartup(bool late)
    95 {
    96 	InitLogger(m_Mode);
    97 }
    98 
    99 void Logger::OnSourceModAllShutdown()
   100 {
   101 	CloseLogger();
   102 }
   103 
   104 void Logger::OnSourceModLevelChange(const char *mapName)
   105 {
   106 	MapChange(mapName);
   107 }
   108 
   109 void Logger::_NewMapFile()
   110 {
   111 	if (!m_Active)
   112 	{
   113 		return;
   114 	}
   115 
   116 	/* Append "Log file closed" to previous log file */
   117 	_CloseFile();
   118 	
   119 	char _filename[256];
   120 	int i = 0;
   121 
   122 	time_t t;
   123 	GetAdjustedTime(&t);
   124 	tm *curtime = localtime(&t);
   125 
   126 	while (true)
   127 	{
   128 		g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/L%02d%02d%03d.log", curtime->tm_mon + 1, curtime->tm_mday, i);
   129 		FILE *fp = fopen(_filename, "r");
   130 		if (!fp)
   131 		{
   132 			break;
   133 		}
   134 		fclose(fp);
   135 		i++;
   136 	}
   137 	m_NrmFileName.assign(_filename);
   138 
   139 	FILE *fp = fopen(m_NrmFileName.c_str(), "w");
   140 	if (!fp)
   141 	{
   142 		char error[255];
   143 		g_LibSys.GetPlatformError(error, sizeof(error));
   144 		LogFatal("[SM] Unexpected fatal logging error (file \"%s\")", m_NrmFileName.c_str());
   145 		LogFatal("[SM] Platform returned error: \"%s\"", error);
   146 		LogFatal("[SM] Logging has been disabled.");
   147 		m_Active = false;
   148 		return;
   149 	} else {
   150 		char date[32];
   151 		strftime(date, sizeof(date), "%m/%d/%Y - %H:%M:%S", curtime);
   152 		fprintf(fp, "L %s: SourceMod log file started (file \"L%02d%02d%03d.log\") (Version \"%s\")\n", date, curtime->tm_mon + 1, curtime->tm_mday, i, SVN_FULL_VERSION);
   153 		fclose(fp);
   154 	}
   155 }
   156 
   157 void Logger::_CloseFile()
   158 {
   159 	if (!m_Active)
   160 	{
   161 		return;
   162 	}
   163 
   164 	FILE *fp = NULL;
   165 	if (!m_NrmFileName.empty())
   166 	{
   167 		fp = fopen(m_NrmFileName.c_str(), "r+");
   168 		if (fp)
   169 		{
   170 			fseek(fp, 0, SEEK_END);
   171 			LogMessage("Log file closed.");
   172 			fclose(fp);
   173 		}
   174 		m_NrmFileName.clear();
   175 	}
   176 
   177 	if (!m_ErrMapStart)
   178 	{
   179 		return;
   180 	}
   181 	fp = fopen(m_ErrFileName.c_str(), "r+");
   182 	if (fp)
   183 	{
   184 		fseek(fp, 0, SEEK_END);
   185 		LogError("Error log file session closed.");
   186 		fclose(fp);
   187 	}
   188 	m_ErrFileName.clear();
   189 }
   190 
   191 void Logger::InitLogger(LoggingMode mode)
   192 {
   193 	m_Mode = mode;
   194 	m_Active = m_InitialState;
   195 
   196 	time_t t;
   197 	GetAdjustedTime(&t);
   198 	tm *curtime = localtime(&t);
   199 	m_CurDay = curtime->tm_mday;
   200 
   201 	char _filename[256];
   202 	g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/errors_%04d%02d%02d.log", curtime->tm_year + 1900, curtime->tm_mon + 1, curtime->tm_mday);
   203 	m_ErrFileName.assign(_filename);
   204 
   205 	switch (m_Mode)
   206 	{
   207 	case LoggingMode_PerMap:
   208 		{
   209 			if (!m_Active)
   210 			{
   211 				m_DelayedStart = true;
   212 			}
   213 			break;
   214 		}
   215 	case LoggingMode_Daily:
   216 		{
   217 			g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/L%04d%02d%02d.log", curtime->tm_year + 1900, curtime->tm_mon + 1, curtime->tm_mday);
   218 			m_NrmFileName.assign(_filename);
   219 			m_DailyPrintHdr = true;
   220 			break;
   221 		}
   222 	default:
   223 		{
   224 			/* do nothing... */
   225 			break;
   226 		}
   227 	}
   228 }
   229 
   230 void Logger::CloseLogger()
   231 {
   232 	_CloseFile();
   233 }
   234 
   235 void Logger::LogToOpenFile(FILE *fp, const char *msg, ...)
   236 {
   237 	if (!m_Active)
   238 	{
   239 		return;
   240 	}
   241 
   242 	va_list ap;
   243 	va_start(ap, msg);
   244 	LogToOpenFileEx(fp, msg, ap);
   245 	va_end(ap);
   246 }
   247 
   248 void Logger::LogToFileOnly(FILE *fp, const char *msg, ...)
   249 {
   250 	if (!m_Active)
   251 	{
   252 		return;
   253 	}
   254 
   255 	va_list ap;
   256 	va_start(ap, msg);
   257 	LogToFileOnlyEx(fp, msg, ap);
   258 	va_end(ap);
   259 }
   260 
   261 void Logger::LogToOpenFileEx(FILE *fp, const char *msg, va_list ap)
   262 {
   263 	if (!m_Active)
   264 	{
   265 		return;
   266 	}
   267 
   268 	char buffer[3072];
   269 	UTIL_FormatArgs(buffer, sizeof(buffer), msg, ap);
   270 
   271 	char date[32];
   272 	time_t t;
   273 	GetAdjustedTime(&t);
   274 	tm *curtime = localtime(&t);
   275 	strftime(date, sizeof(date), "%m/%d/%Y - %H:%M:%S", curtime);
   276 
   277 	fprintf(fp, "L %s: %s\n", date, buffer);
   278 	g_SMAPI->ConPrintf("L %s: %s\n", date, buffer);
   279 }
   280 
   281 void Logger::LogToFileOnlyEx(FILE *fp, const char *msg, va_list ap)
   282 {
   283 	if (!m_Active)
   284 	{
   285 		return;
   286 	}
   287 
   288 	char buffer[3072];
   289 	UTIL_FormatArgs(buffer, sizeof(buffer), msg, ap);
   290 
   291 	char date[32];
   292 	time_t t;
   293 	GetAdjustedTime(&t);
   294 	tm *curtime = localtime(&t);
   295 	strftime(date, sizeof(date), "%m/%d/%Y - %H:%M:%S", curtime);
   296 
   297 	fprintf(fp, "L %s: %s\n", date, buffer);
   298 	fflush(fp);
   299 }
   300 
   301 void Logger::LogMessage(const char *vafmt, ...)
   302 {
   303 	if (!m_Active)
   304 	{
   305 		return;
   306 	}
   307 
   308 	if (m_Mode == LoggingMode_Game)
   309 	{
   310 		va_list ap;
   311 		va_start(ap, vafmt);
   312 		_PrintToGameLog(vafmt, ap);
   313 		va_end(ap);
   314 		return;
   315 	}
   316 
   317 	if (m_DelayedStart)
   318 	{
   319 		m_DelayedStart = false;
   320 		_NewMapFile();
   321 	}
   322 
   323 	time_t t;
   324 	GetAdjustedTime(&t);
   325 	tm *curtime = localtime(&t);
   326 
   327 	FILE *fp = NULL;
   328 	if (m_Mode == LoggingMode_PerMap)
   329 	{
   330 		fp = fopen(m_NrmFileName.c_str(), "a+");
   331 		if (!fp)
   332 		{
   333 			_NewMapFile();
   334 			fp = fopen(m_NrmFileName.c_str(), "a+");
   335 			if (!fp)
   336 			{
   337 				goto print_error;
   338 			}
   339 		}
   340 	} else {
   341 		if (m_CurDay != curtime->tm_mday)
   342 		{
   343 			char _filename[256];
   344 			g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/L%04d%02d%02d.log", curtime->tm_year + 1900, curtime->tm_mon + 1, curtime->tm_mday);
   345 			m_NrmFileName.assign(_filename);
   346 			m_CurDay = curtime->tm_mday;
   347 			m_DailyPrintHdr = true;
   348 		}
   349 		fp = fopen(m_NrmFileName.c_str(), "a+");
   350 	}
   351 
   352 	if (fp)
   353 	{
   354 		if (m_DailyPrintHdr)
   355 		{
   356 			char date[32];
   357 			m_DailyPrintHdr = false;
   358 			strftime(date, sizeof(date), "%m/%d/%Y - %H:%M:%S", curtime);
   359 			fprintf(fp, "L %s: SourceMod log file session started (file \"L%04d%02d%02d.log\") (Version \"%s\")\n", date, curtime->tm_year + 1900, curtime->tm_mon + 1, curtime->tm_mday, SVN_FULL_VERSION);
   360 	 	}
   361 		va_list ap;
   362 		va_start(ap, vafmt);
   363 		LogToOpenFileEx(fp, vafmt, ap);
   364 		va_end(ap);
   365 		fclose(fp);
   366 	} else {
   367 		goto print_error;
   368 	}
   369 
   370 	return;
   371 print_error:
   372 	char error[255];
   373 	g_LibSys.GetPlatformError(error, sizeof(error));
   374 	LogFatal("[SM] Unexpected fatal logging error (file \"%s\")", m_NrmFileName.c_str());
   375 	LogFatal("[SM] Platform returned error: \"%s\"", error);
   376 	LogFatal("[SM] Logging has been disabled.");
   377 	m_Active = false;
   378 }
   379 
   380 void Logger::LogError(const char *vafmt, ...)
   381 {
   382 	if (!m_Active)
   383 	{
   384 		return;
   385 	}
   386 
   387 	time_t t;
   388 	GetAdjustedTime(&t);
   389 	tm *curtime = localtime(&t);
   390 
   391 	if (curtime->tm_mday != m_CurDay)
   392 	{
   393 		char _filename[256];
   394 		g_SourceMod.BuildPath(Path_SM, _filename, sizeof(_filename), "logs/errors_%04d%02d%02d.log", curtime->tm_year + 1900, curtime->tm_mon + 1, curtime->tm_mday);
   395 		m_ErrFileName.assign(_filename);
   396 		m_CurDay = curtime->tm_mday;
   397 		m_ErrMapStart = false;
   398 	}
   399 
   400 	FILE *fp = fopen(m_ErrFileName.c_str(), "a+");
   401 	if (fp)
   402 	{
   403 		if (!m_ErrMapStart)
   404 		{
   405 			char date[32];
   406 			strftime(date, sizeof(date), "%m/%d/%Y - %H:%M:%S", curtime);
   407 			fprintf(fp, "L %s: SourceMod error session started\n", date);
   408 			fprintf(fp, "L %s: Info (map \"%s\") (file \"errors_%04d%02d%02d.log\")\n", date, m_CurMapName.c_str(), curtime->tm_year + 1900, curtime->tm_mon + 1, curtime->tm_mday);
   409 			m_ErrMapStart = true;
   410 		}
   411 		va_list ap;
   412 		va_start(ap, vafmt);
   413 		LogToOpenFileEx(fp, vafmt, ap);
   414 		va_end(ap);
   415 		fclose(fp);
   416 	}
   417 	else
   418 	{
   419 		char error[255];
   420 		g_LibSys.GetPlatformError(error, sizeof(error));
   421 		LogFatal("[SM] Unexpected fatal logging error (file \"%s\")", m_NrmFileName.c_str());
   422 		LogFatal("[SM] Platform returned error: \"%s\"", error);
   423 		LogFatal("[SM] Logging has been disabled.");
   424 		m_Active = false;
   425 		return;
   426 	}
   427 }
   428 
   429 void Logger::MapChange(const char *mapname)
   430 {
   431 	m_CurMapName.assign(mapname);
   432 
   433 	switch (m_Mode)
   434 	{
   435 	case LoggingMode_Daily:
   436 		{
   437 			LogMessage("-------- Mapchange to %s --------", mapname);
   438 			break;
   439 		}
   440 	case LoggingMode_PerMap:
   441 		{
   442 			_NewMapFile();
   443 			break;
   444 		}
   445 	default:
   446 		{
   447 			/* Do nothing... */
   448 			break;
   449 		}
   450 	}
   451 
   452 	if (m_ErrMapStart)
   453 	{
   454 		LogError("Error log file session closed.");
   455 	}
   456 	m_ErrMapStart = false;
   457 }
   458 
   459 void Logger::_PrintToGameLog(const char *fmt, va_list ap)
   460 {
   461 	char msg[3072];
   462 	size_t len;
   463 
   464 	len = vsnprintf(msg, sizeof(msg)-2, fmt, ap);
   465 	len = (len >= sizeof(msg)) ? (sizeof(msg) - 2) : len;
   466 
   467 	msg[len++] = '\n';
   468 	msg[len] = '\0';
   469 
   470 	Engine_LogPrintWrapper(msg);
   471 }
   472 
   473 const char *Logger::GetLogFileName(LogType type) const
   474 {
   475 	switch (type)
   476 	{
   477 	case LogType_Normal:
   478 		{
   479 			return m_NrmFileName.c_str();
   480 		}
   481 	case LogType_Error:
   482 		{
   483 			return m_ErrFileName.c_str();
   484 		}
   485 	default:
   486 		{
   487 			return "";
   488 		}
   489 	}
   490 }
   491 
   492 LoggingMode Logger::GetLoggingMode() const
   493 {
   494 	return m_Mode;
   495 }
   496 
   497 void Logger::EnableLogging()
   498 {
   499 	if (m_Active)
   500 	{
   501 		return;
   502 	}
   503 	m_Active = true;
   504 	LogMessage("[SM] Logging enabled manually by user.");
   505 }
   506 
   507 void Logger::DisableLogging()
   508 {
   509 	if (!m_Active)
   510 	{
   511 		return;
   512 	}
   513 	LogMessage("[SM] Logging disabled manually by user.");
   514 	m_Active = false;
   515 }
   516 
   517 void Logger::LogFatal(const char *msg, ...)
   518 {
   519 	/* :TODO: make this print all pretty-like
   520 	 * In fact, the pretty log printing function should be abstracted. 
   521 	 * It's already implemented twice which is bad.
   522 	 */
   523 
   524 	va_list ap;
   525 	char path[PLATFORM_MAX_PATH];
   526 
   527 	g_SourceMod.BuildPath(Path_Game, path, sizeof(path), "sourcemod_fatal.log");
   528 
   529 	FILE *fp = fopen(path, "at");
   530 	if (fp)
   531 	{
   532 		m_Active = true;
   533 		va_start(ap, msg);
   534 		LogToOpenFileEx(fp, msg, ap);
   535 		va_end(ap);
   536 		m_Active = false;
   537 		fclose(fp);
   538 	}
   539 }
   540 
   541 bool g_in_game_log_hook = false;
   542 
   543 void Engine_LogPrintWrapper(const char *msg)
   544 {
   545 	if (g_in_game_log_hook)
   546 	{
   547 		ENGINE_CALL(LogPrint)(msg);
   548 	}
   549 	else
   550 	{
   551 		engine->LogPrint(msg);
   552 	}
   553 }