X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Flogger.c;h=2b4c7e388ed007a0367969ae6578ba29295452fe;hb=c46bdbde18629f0a0613c776c13a79fea0ec6093;hp=08f9795410b4a992db950887ae8fdee395f23244;hpb=36623e15a1c8685e5d8730345c1a7f9c93710fef;p=tinc diff --git a/src/logger.c b/src/logger.c index 08f97954..2b4c7e38 100644 --- a/src/logger.c +++ b/src/logger.c @@ -1,6 +1,6 @@ /* logger.c -- logging code - Copyright (C) 2004-2006 Guus Sliepen + Copyright (C) 2004-2013 Guus Sliepen 2004-2005 Ivo Timmermans This program is free software; you can redistribute it and/or modify @@ -21,22 +21,110 @@ #include "system.h" #include "conf.h" +#include "meta.h" +#include "names.h" #include "logger.h" +#include "connection.h" +#include "control_common.h" +#include "sptps.h" debug_t debug_level = DEBUG_NOTHING; static logmode_t logmode = LOGMODE_STDERR; static pid_t logpid; -extern char *logfilename; static FILE *logfile = NULL; #ifdef HAVE_MINGW static HANDLE loghandle = NULL; #endif static const char *logident = NULL; +bool logcontrol = false; + + +static void real_logger(int level, int priority, const char *message) { + char timestr[32] = ""; + static bool suppress = false; + + // Bail out early if there is nothing to do. + if(suppress) + return; + + if(!logcontrol && (level > debug_level || logmode == LOGMODE_NULL)) + return; + + if(level <= debug_level) { + switch(logmode) { + case LOGMODE_STDERR: + fprintf(stderr, "%s\n", message); + fflush(stderr); + break; + case LOGMODE_FILE: + if(!now.tv_sec) + gettimeofday(&now, NULL); + time_t now_sec = now.tv_sec; + strftime(timestr, sizeof timestr, "%Y-%m-%d %H:%M:%S", localtime(&now_sec)); + fprintf(logfile, "%s %s[%ld]: %s\n", timestr, logident, (long)logpid, message); + fflush(logfile); + break; + case LOGMODE_SYSLOG: +#ifdef HAVE_MINGW + { + const char *messages[] = {message}; + ReportEvent(loghandle, priority, 0, 0, NULL, 1, 0, messages, NULL); + } +#else +#ifdef HAVE_SYSLOG_H + syslog(priority, "%s", message); +#endif +#endif + break; + case LOGMODE_NULL: + break; + } + } + + if(logcontrol) { + suppress = true; + logcontrol = false; + for list_each(connection_t, c, connection_list) { + if(!c->status.log) + continue; + logcontrol = true; + if(level > (c->outcompression >= 0 ? c->outcompression : debug_level)) + continue; + int len = strlen(message); + if(send_request(c, "%d %d %d", CONTROL, REQ_LOG, len)) + send_meta(c, message, len); + } + suppress = false; + } +} + +void logger(int level, int priority, const char *format, ...) { + va_list ap; + char message[1024] = ""; + + va_start(ap, format); + int len = vsnprintf(message, sizeof message, format, ap); + va_end(ap); + + if(len > 0 && len < sizeof message && message[len - 1] == '\n') + message[len - 1] = 0; + + real_logger(level, priority, message); +} + +static void sptps_logger(sptps_t *s, int s_errno, const char *format, va_list ap) { + char message[1024] = ""; + int len = vsnprintf(message, sizeof message, format, ap); + if(len > 0 && len < sizeof message && message[len - 1] == '\n') + message[len - 1] = 0; + + real_logger(DEBUG_ALWAYS, LOG_ERR, message); +} void openlogger(const char *ident, logmode_t mode) { logident = ident; logmode = mode; - + switch(mode) { case LOGMODE_STDERR: logpid = getpid(); @@ -66,6 +154,11 @@ void openlogger(const char *ident, logmode_t mode) { case LOGMODE_NULL: break; } + + if(logmode != LOGMODE_NULL) + sptps_log = sptps_logger; + else + sptps_log = sptps_log_quiet; } void reopenlogger() { @@ -75,62 +168,13 @@ void reopenlogger() { fflush(logfile); FILE *newfile = fopen(logfilename, "a"); if(!newfile) { - logger(LOG_ERR, "Unable to reopen log file %s: %s\n", logfilename, strerror(errno)); + logger(DEBUG_ALWAYS, LOG_ERR, "Unable to reopen log file %s: %s", logfilename, strerror(errno)); return; } fclose(logfile); logfile = newfile; } -void logger(int priority, const char *format, ...) { - va_list ap; - char timestr[32] = ""; - time_t now; - - va_start(ap, format); - - switch(logmode) { - case LOGMODE_STDERR: - vfprintf(stderr, format, ap); - fprintf(stderr, "\n"); - fflush(stderr); - break; - case LOGMODE_FILE: - now = time(NULL); - strftime(timestr, sizeof timestr, "%Y-%m-%d %H:%M:%S", localtime(&now)); - fprintf(logfile, "%s %s[%ld]: ", timestr, logident, (long)logpid); - vfprintf(logfile, format, ap); - fprintf(logfile, "\n"); - fflush(logfile); - break; - case LOGMODE_SYSLOG: -#ifdef HAVE_MINGW - { - char message[4096]; - const char *messages[] = {message}; - vsnprintf(message, sizeof message, format, ap); - ReportEvent(loghandle, priority, 0, 0, NULL, 1, 0, messages, NULL); - } -#else -#ifdef HAVE_SYSLOG_H -#ifdef HAVE_VSYSLOG - vsyslog(priority, format, ap); -#else - { - char message[4096]; - vsnprintf(message, sizeof message, format, ap); - syslog(priority, "%s", message); - } -#endif - break; -#endif -#endif - case LOGMODE_NULL: - break; - } - - va_end(ap); -} void closelogger(void) { switch(logmode) {