--- mqtt/src/logmqtt.c 2011/11/23 08:50:38 1.1.2.1 +++ mqtt/src/logmqtt.c 2012/07/03 12:46:00 1.4 @@ -1,3 +1,146 @@ +/************************************************************************* +* (C) 2011 AITNET ltd - Sofia/Bulgaria - +* by Michael Pounov +* +* $Author: misho $ +* $Id: logmqtt.c,v 1.4 2012/07/03 12:46:00 misho Exp $ +* +************************************************************************** +The ELWIX and AITNET software is distributed under the following +terms: + +All of the documentation and software included in the ELWIX and AITNET +Releases is copyrighted by ELWIX - Sofia/Bulgaria + +Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 + by Michael Pounov . All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions +are met: +1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. +3. All advertising materials mentioning features or use of this software + must display the following acknowledgement: +This product includes software developed by Michael Pounov +ELWIX - Embedded LightWeight unIX and its contributors. +4. Neither the name of AITNET nor the names of its contributors + may be used to endorse or promote products derived from this software + without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY AITNET AND CONTRIBUTORS ``AS IS'' AND +ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE +IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE +ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE +FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS +OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF +SUCH DAMAGE. +*/ #include "global.h" +extern char *__progname; + + +/* + * mqtt_rtlm_log() Log message + * + * @fmt = format string + * @... = argument list + * return: none + */ +static void +mqtt_rtlm_log(const char *fmt, ...) +{ + va_list lst; + + va_start(lst, fmt); + vsyslog(LOG_ERR, fmt, lst); + va_end(lst); +} +#define MQTT_RTLM_LOG() (mqtt_rtlm_log("Error:: System #%d - %s", errno, strerror(errno))) + + +/* + * mqtt_rtlm_open() Open log file + * + * @cfg = loaded config + * return: NULL error or SQL handle + */ +FILE * +mqtt_rtlm_open(cfg_root_t *cfg) +{ + FILE *f = NULL; + const char *str = NULL; + + if (!cfg) + return NULL; + + str = cfg_getAttribute(cfg, "mqtt_log", "name"); + if (!str) { + mqtt_rtlm_log("Error:: Unknown file name ...\n"); + return NULL; + } + + if (!(f = fopen(str, "a"))) { + MQTT_RTLM_LOG(); + return NULL; + } + + return f; +} + +/* + * mqtt_rtlm_close() Close log file + * + * @f = File handle + * return: none + */ +void +mqtt_rtlm_close(FILE *f) +{ + if (f) + fclose(f); +} + +/* + * mqtt_rtlm_logger() Logger to file + * + * @f = File handle + * @fmt = Message format + * @... = argument list + * return: -1 error or >-1 logged successful + */ +int +mqtt_rtlm_logger(FILE *f, const char *fmt, ...) +{ + va_list lst; + int ret = 0; + char szStr[STRSIZ] = { 0 }, szFmt[BUFSIZ] = { 0 }; + struct tm *tm; + time_t tim; + + if (!f || !fmt) + return -1; + + tim = time(NULL); + tm = localtime(&tim); + strftime(szFmt, sizeof szFmt, "[%Y-%m-%d %H:%M:%S] ", tm); + snprintf(szStr, sizeof szStr, "%s (%d):: ", __progname, getpid()); + strlcat(szFmt, szStr, sizeof szFmt); + strlcat(szFmt, fmt, sizeof szFmt); + + va_start(lst, fmt); + ret = vfprintf(f, szFmt, lst); + va_end(lst); + + fflush(f); + return ret; +}