/*********************************************************************************
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* Copyright: (C) 2019 LingYun IoT System Studio
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* All rights reserved.
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*
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* Filename: conf.c
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* Description: This file is mqttd configure file parser function
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*
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* Version: 1.0.0(2019年06月25日)
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* Author: Guo Wenxue <guowenxue@gmail.com>
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* ChangeLog: 1, Release initial version on "2019年06月25日 22时23分55秒"
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*
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********************************************************************************/
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#include "conf.h"
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#include "lylib/logger.h"
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#include "lylib/iniparser.h"
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int mqttd_parser_conf(const char *conf_file, mqtt_ctx_t *ctx, int debug)
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{
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dictionary *ini;
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char *str;
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int val;
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memset(ctx, 0, sizeof(*ctx));
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if( !conf_file )
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{
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strncpy(ctx->id, "\"rpi3b001\"", sizeof(ctx->id));
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/* logger settings */
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strncpy(ctx->logfile, DBG_LOG_FILE, sizeof(ctx->logfile));
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ctx->loglevel = LOG_LEVEL_DEBUG;
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ctx->logsize = 1024;
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if( logger_init(ctx->logfile, ctx->loglevel, ctx->logsize) < 0 )
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{
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fprintf(stderr, "Logger system initialise failure\n");
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return -2;
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}
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log_nrml("Logger system initialise ok\n");
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log_warn("WARNNING: Use default MQTT configure\n");
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/* Broker settings */
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strncpy(ctx->host, DEF_BORKER_HOSTNAME, sizeof(ctx->host));
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ctx->port = DEF_BROKER_PORT;
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log_nrml("Use default broker server [%s:%d]\n", ctx->host, ctx->port);
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strncpy(ctx->uid, DEF_BROKER_USERNAME, sizeof(ctx->uid));
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strncpy(ctx->pwd, DEF_BROKER_PASSWD, sizeof(ctx->pwd));
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log_nrml("Use default broker author by [%s:%s]\n", ctx->uid, ctx->pwd);
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ctx->keepalive = DEF_BROKER_KEEPALIVE;
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log_nrml("Use default broker keepalive timeout [%d] seconds\n", ctx->keepalive);
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/* Publisher settings */
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strncpy(ctx->pubTopic, DEF_PUBTOPIC, sizeof(ctx->pubTopic));
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ctx->pubQos = DEF_PUBQOS;
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ctx->interval = DEF_PUBINTERVAL;
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log_nrml("Use default publisher topic \"%s\" with Qos[%d] interval[%d]\n", ctx->pubTopic, ctx->pubQos, ctx->interval);
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/* Subscriber settings */
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strncpy(ctx->subTopic, DEF_SUBTOPIC, sizeof(ctx->subTopic));
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ctx->subQos = DEF_SUBQOS;
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log_nrml("Use default subscriber topic \"%s\" with Qos[%d]\n", ctx->subTopic, ctx->subQos);
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return 0;
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}
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ini = iniparser_load(conf_file);
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if( !ini )
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{
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fprintf(stderr, "ERROR: cannot parse file: '%s'\n", conf_file);
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return -1;
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}
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/*+------------------------------------------------------+
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*| parser logger settings and start logger system |
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*+------------------------------------------------------+*/
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if( !debug )
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{
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str = iniparser_getstring(ini, "logger:file", "/tmp/mqttd.log");
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strncpy(ctx->logfile, str, sizeof(ctx->logfile));
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ctx->logsize = iniparser_getint(ini, "logger:size", 1024);
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ctx->loglevel = iniparser_getint(ini, "logger:level", LOG_LEVEL_DEBUG);
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}
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else
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{
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strncpy(ctx->logfile, DBG_LOG_FILE, sizeof(ctx->logfile));
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ctx->loglevel = LOG_LEVEL_DEBUG;
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ctx->logsize = 1024;
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}
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if( logger_init(ctx->logfile, ctx->loglevel, ctx->logsize) < 0 )
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{
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fprintf(stderr, "Logger system initialise failure\n");
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return -2;
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}
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log_nrml("Logger system initialise ok\n");
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/*+------------------------------------------------------+
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*| parser hardware module configuration ID |
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*+------------------------------------------------------+*/
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/* hardware module enable or not */
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ctx->hwconf.enable=iniparser_getint(ini, "hardware:enable", 0);
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log_nrml("Parser hardware modules [%s]\n", ctx->hwconf.enable ? "enable" : "disable");
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/* relay control light */
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ctx->hwconf.relay=iniparser_getint(ini, "hardware:relay_pin", 0);
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if( !ctx->hwconf.relay )
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log_nrml("Parser relay module disabled\n");
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else
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log_nrml("Parser relay connected wPI #pin nubmer [%d]\n", ctx->hwconf.relay);
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/* buzzer */
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ctx->hwconf.beep=iniparser_getint(ini, "hardware:beep_pin", 0);
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/* RGB 3-colors LED */
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ctx->hwconf.redled=iniparser_getint(ini, "hardware:red_pin", 0);
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ctx->hwconf.greenled=iniparser_getint(ini, "hardware:green_pin", 0);
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ctx->hwconf.blueled=iniparser_getint(ini, "hardware:blue_pin", 0);
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if( !ctx->hwconf.redled && !ctx->hwconf.greenled && !ctx->hwconf.blueled )
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{
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ctx->hwconf.leds = 0;
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log_nrml("Parser RGB leds module disabled\n");
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}
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else
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{
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ctx->hwconf.leds = 1;
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log_nrml("Parser RGB led connected wPI #pin nubmer [%d,%d,%d]\n",
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ctx->hwconf.redled, ctx->hwconf.greenled, ctx->hwconf.blueled);
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}
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/* temperature sensor ds18b20 */
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ctx->hwconf.ds18b20=iniparser_getint(ini, "hardware:ds18b20", 0);
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log_nrml("Parser temperature sensor DS18B20 modules [%s]\n", ctx->hwconf.ds18b20 ? "enable" : "disable");
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/* temperature and hummidity sensor sht2x */
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ctx->hwconf.sht2x=iniparser_getint(ini, "hardware:sht2x", 0);
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log_nrml("Parser temperature and hummidity sensor sht2x modules [%s]\n", ctx->hwconf.sht2x ? "enable" : "disable");
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/* light intensity sensor TSL2561 */
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ctx->hwconf.lux=iniparser_getint(ini, "hardware:lux", 0);
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log_nrml("Parser light intensity sensor TSL2561 modules [%s]\n", ctx->hwconf.ds18b20 ? "enable" : "disable");
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/*+------------------------------------------------------+
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*| parser production ID |
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*+------------------------------------------------------+*/
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if( !(str=iniparser_getstring(ini, "common:id", NULL)) )
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{
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log_err("ERROR: Parser production ID failure\n");
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return -2;
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}
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/* cJSON parser ID will get "" */
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snprintf(ctx->id, sizeof(ctx->id), "\"%s\"", str);
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log_nrml("Parser production ID [%s]\n", ctx->id);
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/*+------------------------------------------------------+
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*| parser broker settings |
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*+------------------------------------------------------+*/
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if( !(str=iniparser_getstring(ini, "broker:hostname", NULL)) )
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{
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log_err("ERROR: Parser broker server hostname failure\n");
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return -2;
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}
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strncpy(ctx->host, str, sizeof(ctx->host) );
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if( (val=iniparser_getint(ini, "broker:port", -1)) < 0 )
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{
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log_err("ERROR: Parser broker server port failure\n");
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return -2;
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}
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ctx->port = val;
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log_nrml("Parser broker server [%s:%d]\n", ctx->host, ctx->port);
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str=iniparser_getstring(ini, "broker:username", DEF_BROKER_USERNAME);
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strncpy(ctx->uid, str, sizeof(ctx->uid) );
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str=iniparser_getstring(ini, "broker:password", DEF_BROKER_PASSWD);
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strncpy(ctx->pwd, str, sizeof(ctx->pwd) );
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log_nrml("Parser broker author by [%s:%s]\n", ctx->uid, ctx->pwd);
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ctx->keepalive = iniparser_getint(ini, "broker:keepalive", DEF_BROKER_KEEPALIVE);
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log_nrml("Parser broker keepalive timeout [%d] seconds\n", ctx->keepalive);
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/*+------------------------------------------------------+
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*| parser publisher settings |
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*+------------------------------------------------------+*/
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str=iniparser_getstring(ini, "publisher:pubTopic", DEF_PUBTOPIC);
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strncpy(ctx->pubTopic, str, sizeof(ctx->pubTopic) );
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ctx->pubQos = iniparser_getint(ini, "publisher:pubQos", DEF_PUBQOS);
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ctx->interval = iniparser_getint(ini, "publisher:interval", DEF_PUBINTERVAL);
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log_nrml("Parser publisher topic \"%s\" with Qos[%d] interval[%d]\n", ctx->pubTopic, ctx->pubQos, ctx->interval);
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/*+------------------------------------------------------+
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*| parser subscriber settings |
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*+------------------------------------------------------+*/
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str=iniparser_getstring(ini, "subsciber:subTopic", DEF_SUBTOPIC);
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strncpy(ctx->subTopic, str, sizeof(ctx->subTopic) );
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ctx->subQos = iniparser_getint(ini, "subsciber:subQos", DEF_SUBQOS);
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log_nrml("Parser subscriber topic \"%s\" with Qos[%d]\n", ctx->subTopic, ctx->subQos);
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return 0;
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}
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