core/Logger.cpp
author Borja Ferrer <faluco@alliedmods.net>
Sat Feb 23 20:18:49 2008 +0000 (2008-02-23)
changeset 1894 e6efc8ffa47a
parent 1686 185cac1820fe
child 1914 0751a6430f15
permissions -rw-r--r--
Executable memory is now provided by MM:S's allocator, this should reduce virtual memory usage.
     1 /**
     2  * vim: set ts=4 :
     3  * =============================================================================
     4  * SourceMod
     5  * Copyright (C) 2004-2007 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 "systems/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::LogToOpenFileEx(FILE *fp, const char *msg, va_list ap)
   249 {
   250 	if (!m_Active)
   251 	{
   252 		return;
   253 	}
   254 
   255 	char buffer[3072];
   256 	UTIL_FormatArgs(buffer, sizeof(buffer), msg, ap);
   257 
   258 	char date[32];
   259 	time_t t;
   260 	GetAdjustedTime(&t);
   261 	tm *curtime = localtime(&t);
   262 	strftime(date, sizeof(date), "%m/%d/%Y - %H:%M:%S", curtime);
   263 
   264 	fprintf(fp, "L %s: %s\n", date, buffer);
   265 	g_SMAPI->ConPrintf("L %s: %s\n", date, buffer);
   266 }
   267 
   268 void Logger::LogMessage(const char *vafmt, ...)
   269 {
   270 	if (!m_Active)
   271 	{
   272 		return;
   273 	}
   274 
   275 	if (m_Mode == LoggingMode_Game)
   276 	{
   277 		va_list ap;
   278 		va_start(ap, vafmt);
   279 		_PrintToGameLog(vafmt, ap);
   280 		va_end(ap);
   281 		return;
   282 	}
   283 
   284 	if (m_DelayedStart)
   285 	{
   286 		m_DelayedStart = false;
   287 		_NewMapFile();
   288 	}
   289 
   290 	time_t t;
   291 	GetAdjustedTime(&t);
   292 	tm *curtime = localtime(&t);
   293 
   294 	FILE *fp = NULL;
   295 	if (m_Mode == LoggingMode_PerMap)
   296 	{
   297 		fp = fopen(m_NrmFileName.c_str(), "a+");
   298 		if (!fp)
   299 		{
   300 			_NewMapFile();
   301 			fp = fopen(m_NrmFileName.c_str(), "a+");
   302 			if (!fp)
   303 			{
   304 				goto print_error;
   305 			}
   306 		}
   307 	} else {
   308 		if (m_CurDay != curtime->tm_mday)
   309 		{
   310 			char _filename[256];
   311 			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);
   312 			m_NrmFileName.assign(_filename);
   313 			m_CurDay = curtime->tm_mday;
   314 			m_DailyPrintHdr = true;
   315 		}
   316 		fp = fopen(m_NrmFileName.c_str(), "a+");
   317 	}
   318 
   319 	if (fp)
   320 	{
   321 		if (m_DailyPrintHdr)
   322 		{
   323 			char date[32];
   324 			m_DailyPrintHdr = false;
   325 			strftime(date, sizeof(date), "%m/%d/%Y - %H:%M:%S", curtime);
   326 			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);
   327 	 	}
   328 		va_list ap;
   329 		va_start(ap, vafmt);
   330 		LogToOpenFileEx(fp, vafmt, ap);
   331 		va_end(ap);
   332 		fclose(fp);
   333 	} else {
   334 		goto print_error;
   335 	}
   336 
   337 	return;
   338 print_error:
   339 	char error[255];
   340 	g_LibSys.GetPlatformError(error, sizeof(error));
   341 	LogFatal("[SM] Unexpected fatal logging error (file \"%s\")", m_NrmFileName.c_str());
   342 	LogFatal("[SM] Platform returned error: \"%s\"", error);
   343 	LogFatal("[SM] Logging has been disabled.");
   344 	m_Active = false;
   345 }
   346 
   347 void Logger::LogError(const char *vafmt, ...)
   348 {
   349 	if (!m_Active)
   350 	{
   351 		return;
   352 	}
   353 
   354 	time_t t;
   355 	GetAdjustedTime(&t);
   356 	tm *curtime = localtime(&t);
   357 
   358 	if (curtime->tm_mday != m_CurDay)
   359 	{
   360 		char _filename[256];
   361 		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);
   362 		m_ErrFileName.assign(_filename);
   363 		m_CurDay = curtime->tm_mday;
   364 		m_ErrMapStart = false;
   365 	}
   366 
   367 	FILE *fp = fopen(m_ErrFileName.c_str(), "a+");
   368 	if (fp)
   369 	{
   370 		if (!m_ErrMapStart)
   371 		{
   372 			char date[32];
   373 			strftime(date, sizeof(date), "%m/%d/%Y - %H:%M:%S", curtime);
   374 			fprintf(fp, "L %s: SourceMod error session started\n", date);
   375 			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);
   376 			m_ErrMapStart = true;
   377 		}
   378 		va_list ap;
   379 		va_start(ap, vafmt);
   380 		LogToOpenFileEx(fp, vafmt, ap);
   381 		va_end(ap);
   382 		fclose(fp);
   383 	}
   384 	else
   385 	{
   386 		char error[255];
   387 		g_LibSys.GetPlatformError(error, sizeof(error));
   388 		LogFatal("[SM] Unexpected fatal logging error (file \"%s\")", m_NrmFileName.c_str());
   389 		LogFatal("[SM] Platform returned error: \"%s\"", error);
   390 		LogFatal("[SM] Logging has been disabled.");
   391 		m_Active = false;
   392 		return;
   393 	}
   394 }
   395 
   396 void Logger::MapChange(const char *mapname)
   397 {
   398 	m_CurMapName.assign(mapname);
   399 
   400 	switch (m_Mode)
   401 	{
   402 	case LoggingMode_Daily:
   403 		{
   404 			LogMessage("-------- Mapchange to %s --------", mapname);
   405 			break;
   406 		}
   407 	case LoggingMode_PerMap:
   408 		{
   409 			_NewMapFile();
   410 			break;
   411 		}
   412 	default:
   413 		{
   414 			/* Do nothing... */
   415 			break;
   416 		}
   417 	}
   418 
   419 	if (m_ErrMapStart)
   420 	{
   421 		LogError("Error log file session closed.");
   422 	}
   423 	m_ErrMapStart = false;
   424 }
   425 
   426 void Logger::_PrintToGameLog(const char *fmt, va_list ap)
   427 {
   428 	char msg[3072];
   429 	size_t len;
   430 
   431 	len = vsnprintf(msg, sizeof(msg)-2, fmt, ap);
   432 	len = (len >= sizeof(msg)) ? (sizeof(msg) - 2) : len;
   433 
   434 	msg[len++] = '\n';
   435 	msg[len] = '\0';
   436 
   437 	engine->LogPrint(msg);
   438 }
   439 
   440 const char *Logger::GetLogFileName(LogType type) const
   441 {
   442 	switch (type)
   443 	{
   444 	case LogType_Normal:
   445 		{
   446 			return m_NrmFileName.c_str();
   447 		}
   448 	case LogType_Error:
   449 		{
   450 			return m_ErrFileName.c_str();
   451 		}
   452 	default:
   453 		{
   454 			return "";
   455 		}
   456 	}
   457 }
   458 
   459 LoggingMode Logger::GetLoggingMode() const
   460 {
   461 	return m_Mode;
   462 }
   463 
   464 void Logger::EnableLogging()
   465 {
   466 	if (m_Active)
   467 	{
   468 		return;
   469 	}
   470 	m_Active = true;
   471 	LogMessage("[SM] Logging enabled manually by user.");
   472 }
   473 
   474 void Logger::DisableLogging()
   475 {
   476 	if (!m_Active)
   477 	{
   478 		return;
   479 	}
   480 	LogMessage("[SM] Logging disabled manually by user.");
   481 	m_Active = false;
   482 }
   483 
   484 void Logger::LogFatal(const char *msg, ...)
   485 {
   486 	/* :TODO: make this print all pretty-like
   487 	 * In fact, the pretty log printing function should be abstracted. 
   488 	 * It's already implemented twice which is bad.
   489 	 */
   490 
   491 	va_list ap;
   492 	char path[PLATFORM_MAX_PATH];
   493 
   494 	g_SourceMod.BuildPath(Path_Game, path, sizeof(path), "sourcemod_fatal.log");
   495 
   496 	FILE *fp = fopen(path, "at");
   497 	if (fp)
   498 	{
   499 		m_Active = true;
   500 		va_start(ap, msg);
   501 		LogToOpenFileEx(fp, msg, ap);
   502 		va_end(ap);
   503 		m_Active = false;
   504 		fclose(fp);
   505 	}
   506 }
   507