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add log rtlm support

    1: #include "global.h"
    2: 
    3: 
    4: /*
    5:  * mqtt_rtlm_log() Log database connection message
    6:  *
    7:  * @fmt = format string
    8:  * @... = argument list
    9:  * return: none
   10:  */
   11: static void
   12: mqtt_rtlm_log(const char *fmt, ...)
   13: {
   14: 	va_list lst;
   15: 
   16: 	va_start(lst, fmt);
   17: 	vsyslog(LOG_ERR, fmt, lst);
   18: 	va_end(lst);
   19: }
   20: #define MQTT_RTLM_LOG(_sql)	(assert((_sql)), mqtt_rtlm_log("Error:: SQL #%d - %s", \
   21: 					sqlite3_errcode((_sql)), sqlite3_errmsg((_sql))))
   22: 
   23: 
   24: /*
   25:  * mqtt_rtlm_open() Open database connection
   26:  *
   27:  * @cfg = loaded config
   28:  * return: NULL error or SQL handle
   29:  */
   30: sqlite3 *
   31: mqtt_rtlm_open(sl_config *cfg)
   32: {
   33: 	sqlite3 *sql = NULL;
   34: 	const char *str = NULL;
   35: 
   36: 	if (!cfg)
   37: 		return NULL;
   38: 
   39: 	str = (const char*) cfg_GetAttribute(cfg, CFG("mqtt_acc"), CFG("name"));
   40: 	if (!str) {
   41: 		mqtt_rtlm_log("Error:: Unknown database name ...\n");
   42: 		return NULL;
   43: 	}
   44: 
   45: 	if (sqlite3_open_v2(str, &sql, SQLITE_OPEN_READONLY, NULL)) {
   46: 		MQTT_RTLM_LOG(sql);
   47: 		sqlite3_close(sql);
   48: 		return NULL;
   49: 	}
   50: 
   51: 	return sql;
   52: }
   53: 
   54: /*
   55:  * mqtt_rtlm_close() Close database connection
   56:  *
   57:  * @sql = SQL handle
   58:  * return: none
   59:  */
   60: void
   61: mqtt_rtlm_close(sqlite3 *sql)
   62: {
   63: 	sqlite3_close(sql);
   64: }