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/* |
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* ircd-hybrid: an advanced Internet Relay Chat Daemon(ircd). |
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* s_log.c: Logger functions. |
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* |
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* Copyright (C) 2002 by the past and present ircd coders, and others. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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* |
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* $Id: s_log.c 33 2005-10-02 20:50:00Z knight $ |
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*/ |
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#include "stdinc.h" |
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#ifdef USE_SYSLOG |
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# ifdef HAVE_SYS_SYSLOG_H |
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# include <sys/syslog.h> |
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# else |
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# ifdef HAVE_SYSLOG_H |
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# include <syslog.h> |
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# endif |
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# endif |
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#endif |
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#include "s_log.h" |
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#include "fileio.h" |
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#include "irc_string.h" |
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#include "sprintf_irc.h" |
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#include "s_misc.h" |
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#include "event.h" /* Needed for EVH etc. */ |
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#include "memory.h" |
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/* some older syslogs would overflow at 2024 */ |
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#define LOG_BUFSIZE 2000 |
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static FBFILE *logFile = NULL; |
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static int logLevel = INIT_LOG_LEVEL; |
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#ifndef SYSLOG_USERS |
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static EVH user_log_resync; |
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FBFILE *user_log_fb = NULL; |
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#endif |
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#ifdef USE_SYSLOG |
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static const int sysLogLevel[] = |
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{ |
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LOG_CRIT, |
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LOG_ERR, |
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LOG_WARNING, |
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LOG_NOTICE, |
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LOG_INFO, |
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LOG_INFO, |
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LOG_INFO |
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}; |
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#endif |
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static const char *logLevelToString[] = |
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{ |
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"L_CRIT", |
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"L_ERROR", |
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"L_WARN", |
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"L_NOTICE", |
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"L_TRACE", |
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"L_INFO", |
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"L_DEBUG" |
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}; |
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/* |
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* open_log - open ircd logging file |
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* returns true (1) if successful, false (0) otherwise |
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*/ |
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static int |
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open_log(const char *filename) |
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{ |
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logFile = fbopen(filename, "a"); |
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if (logFile == NULL) |
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{ |
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#ifdef USE_SYSLOG |
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syslog(LOG_ERR, "Unable to open log file: %s: %s", |
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filename, strerror(errno)); |
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#endif |
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return (0); |
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} |
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return (1); |
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} |
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static void |
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write_log(const char *message) |
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{ |
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char buf[LOG_BUFSIZE]; |
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size_t nbytes = 0; |
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if (logFile == NULL) |
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return; |
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#ifdef _WIN32 |
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nbytes = snprintf(buf, sizeof(buf), "[%s] %s\r\n", |
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#else |
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nbytes = snprintf(buf, sizeof(buf), "[%s] %s\n", |
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#endif |
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smalldate(CurrentTime), message); |
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fbputs(buf, logFile, nbytes); |
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} |
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void |
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ilog(const int priority, const char *fmt, ...) |
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{ |
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char buf[LOG_BUFSIZE]; |
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va_list args; |
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assert(priority > -1); |
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if (fmt == NULL) |
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return; |
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if (priority > logLevel) |
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return; |
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va_start(args, fmt); |
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vsprintf(buf, fmt, args); |
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va_end(args); |
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#ifdef USE_SYSLOG |
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if (priority <= L_DEBUG) |
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syslog(sysLogLevel[priority], "%s", buf); |
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#endif |
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write_log(buf); |
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} |
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void |
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init_log(const char *filename) |
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{ |
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open_log(filename); |
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#ifdef USE_SYSLOG |
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openlog("ircd", LOG_PID | LOG_NDELAY, LOG_FACILITY); |
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#endif |
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#ifndef SYSLOG_USERS |
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eventAddIsh("user_log_resync", user_log_resync, NULL, 60); |
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#endif |
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} |
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void |
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reopen_log(const char *filename) |
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{ |
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if (logFile != NULL) |
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fbclose(logFile); |
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open_log(filename); |
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} |
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void |
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set_log_level(const int level) |
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{ |
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if (L_ERROR < level && level <= L_DEBUG) |
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logLevel = level; |
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} |
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int |
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get_log_level(void) |
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{ |
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return(logLevel); |
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} |
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const char * |
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get_log_level_as_string(int level) |
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{ |
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if (level > L_DEBUG) |
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level = L_DEBUG; |
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else if (level < L_ERROR) |
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level = L_ERROR; |
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return(logLevelToString[level]); |
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} |
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#ifndef SYSLOG_USERS |
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/* user_log_resync() |
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* |
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* inputs - NONE |
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* output - NONE |
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* side effects - |
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*/ |
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static void |
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user_log_resync(void *notused) |
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{ |
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if (user_log_fb != NULL) |
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{ |
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fbclose(user_log_fb); |
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user_log_fb = NULL; |
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} |
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} |
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#endif |
