| | |
| | | #include "proc.h" |
| | | #include "hal.h" |
| | | |
| | | #include "conf.h" |
| | | |
| | | #define DAEMON_PIDFILE "/tmp/.mqtt.pid" |
| | | |
| | | #define MQTT_SYS_TOPIC "$Sys/Studio/" |
| | | #define MQTT_SYS_DLINK_TOPIC MQTT_SYS_TOPIC"Downlink" |
| | | #define MQTT_SYS_ULINK_TOPIC MQTT_SYS_TOPIC"Uplink" |
| | | |
| | | enum |
| | | { |
| | | Qos0, /* 发送者只发送一次消息,不进行重试,Broker不会返回确认消息。在Qos0情况下,Broker可能没有接受到消息 */ |
| | | Qos1, /* 发送者最少发送一次消息,确保消息到达Broker,Broker需要返回确认消息PUBACK。在Qos1情况下,Broker可能接受到重复消息 */ |
| | | Qos2, /* Qos2使用两阶段确认来保证消息的不丢失和不重复。在Qos2情况下,Broker肯定会收到消息,且只收到一次 */ |
| | | }; |
| | | |
| | | typedef struct mqtt_ctx_s |
| | | { |
| | | /* Broker settings */ |
| | | char host[128]; /* MQTT broker server name */ |
| | | int port; /* MQTT broker listen port */ |
| | | int keepalive; /* MQTT broker send PING message to subsciber/publisher keepalive timeout<seconds> */ |
| | | char uid[64]; /* username */ |
| | | char pwd[64]; /* password */ |
| | | |
| | | /* Publisher settings */ |
| | | int pubQos; /* Publisher Qos */ |
| | | int interval; /* Publish sensor data interval time, unit seconds */ |
| | | |
| | | /* Subscriber settings */ |
| | | int subQos; /* Subscriber Qos */ |
| | | |
| | | } mqtt_ctx_t; |
| | | |
| | | |
| | | int check_set_program_running(int daemon); |
| | |
| | | int daemon = 0; |
| | | pthread_t tid; |
| | | mqtt_ctx_t ctx; |
| | | char *conf="./etc/mqttd.conf"; |
| | | int debug = 1; |
| | | |
| | | strcpy(ctx.host, "127.0.0.1"); |
| | | ctx.port = 10883; |
| | | ctx.keepalive = 60; |
| | | strcpy(ctx.uid, "lingyun"); |
| | | strcpy(ctx.pwd, "lingyun-emb"); |
| | | |
| | | ctx.pubQos = Qos0; |
| | | ctx.interval = 300; |
| | | ctx.subQos = Qos2; |
| | | |
| | | //if( logger_init("mqttd.log", LOG_LEVEL_DEBUG, 1024) < 0 ) |
| | | if( logger_init(DBG_LOG_FILE, LOG_LEVEL_DEBUG, 1024) < 0 ) |
| | | if( mqttd_parser_conf(conf, &ctx, debug)<0 ) |
| | | { |
| | | fprintf(stderr, "Logger system initialise failure\n"); |
| | | fprintf(stderr, "Parser mqtted configure file failure\n"); |
| | | return -2; |
| | | } |
| | | log_dbg("Logger system initialise ok\n"); |
| | | |
| | | #if 0 |
| | | if( hal_init() < 0 ) |
| | |
| | | float temp = 25.64; |
| | | float rh = 65.35; |
| | | char light[] = "on"; |
| | | int retain = 0; |
| | | |
| | | if( result ) |
| | | { |
| | |
| | | memset(msg, 0, sizeof(msg)); |
| | | snprintf(msg, sizeof(msg), "{ \"temp\":\"%.2f\", \"R&H\":\"%.2f%%\" }", temp, rh); |
| | | |
| | | rv = mosquitto_publish(mosq, NULL, MQTT_SYS_ULINK_TOPIC, strlen(msg)+1, msg, ctx->pubQos, 0); |
| | | rv = mosquitto_publish(mosq, NULL, ctx->pubTopic, strlen(msg)+1, msg, ctx->pubQos, retain); |
| | | if( rv ) |
| | | { |
| | | log_err("Publisher broadcast message '%s' failure: %d\n", msg, rv); |
| | |
| | | memset(msg, 0, sizeof(msg)); |
| | | snprintf(msg, sizeof(msg), "{ \"light\":\"%s\" }", light); |
| | | |
| | | rv = mosquitto_publish(mosq, NULL, MQTT_SYS_ULINK_TOPIC, strlen(msg)+1, msg, ctx->pubQos, 0); |
| | | rv = mosquitto_publish(mosq, NULL, ctx->pubTopic, strlen(msg)+1, msg, ctx->pubQos, retain); |
| | | if( rv ) |
| | | { |
| | | log_err("Publisher broadcast message failure: %d\n", rv); |
| | |
| | | } |
| | | |
| | | log_nrml("Subscriber connect to broker server[%s:%d] successfully\n", ctx->host, ctx->port); |
| | | mosquitto_subscribe(mosq, NULL, MQTT_SYS_DLINK_TOPIC, 2); |
| | | mosquitto_subscribe(mosq, NULL, ctx->subTopic, ctx->subQos); |
| | | } |
| | | |
| | | void sub_disconnect_callback(struct mosquitto *mosq, void *userdata, int result) |