update client and socket.c, add DNS support

GuoWenxue

2022-04-19 ea435789dc2fab30ec16fa765a0b6577fe08166a

 iotd/mqtt/mqtt.c

@@ -56,7 +56,7 @@
    if( hal_ctx->ds18b20_enable )
    {   
        memset(msg, 0, sizeof(msg));
    

        if( ds18b20_get_temperature(&temp) < 0 ) 
            snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"error\" }", mqtt_ctx->id);
        else 
@@ -76,7 +76,7 @@
    if( hal_ctx->sht2x_enable )
    {   
        memset(msg, 0, sizeof(msg));
    

        if( sht2x_get_temp_humidity(&temp, &rh) < 0 ) 
            snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"error\", \"RH\":\"error\" }", mqtt_ctx->id);
        else 
@@ -168,8 +168,10 @@
        log_err("Subscriber connect to broker server failed, rv=%d\n", result);
        return ;
    }
    

    log_nrml("Subscriber connect to broker server[%s:%d] successfully\n", ctx->mqtt_ctx.host, ctx->mqtt_ctx.port); 

    log_nrml("Subscriber subTopic '%s' with Qos[%d]\n", ctx->mqtt_ctx.subTopic, ctx->mqtt_ctx.subQos);
    mosquitto_subscribe(mosq, NULL, ctx->mqtt_ctx.subTopic, ctx->mqtt_ctx.subQos);
}

@@ -178,7 +180,7 @@
    iotd_ctx_t             *ctx = (iotd_ctx_t *)userdata;

    log_warn("Subscriber disconnect to broker server[%s:%d], reason=%d\n", 
          ctx->mqtt_ctx.host, ctx->mqtt_ctx.port, result); 
            ctx->mqtt_ctx.host, ctx->mqtt_ctx.port, result); 
}

void proc_json_items(cJSON *root)
@@ -209,51 +211,19 @@
        {
            value = cJSON_Print(item);

            /* light controled by relay */
            if( !strcasecmp(item->string, "hallway") )
            log_dbg("JSON Parser key: %s value: %s\n", item->string, value);
            if( strstr(item->string, "light") || strstr(item->string, "led") || strstr(item->string, "relay"))
            {
                if( strcasestr(value, "on") )
                if( strstr(value, "on") || strstr(value, "off") )
                {
                    //turn_light(LIGHT_HALLWAY, ON);
                    log_nrml("Turn on hallway light\n");
                }
                else if( strcasestr(value, "off") )
                {
                    //turn_light(LIGHT_HALLWAY, OFF);
                    log_nrml("Turn off hallway light\n");
                    log_nrml("parser get turn '%s' %s from JSON string\n", item->string, value);
                    gpio_out(item->string, value);
                }
            }
            else if( !strcasecmp(item->string, "livroom_left") )
            {
                if( strcasestr(value, "on") )
                {
                    //turn_light(LIGHT_LVROOM_LEFT, ON);
                    log_nrml("Turn on livingroom left light\n");
                }
                else if( strcasestr(value, "off") )
                {
                    //turn_light(LIGHT_LVROOM_LEFT, OFF);
                    log_nrml("Turn off livingroom left light\n");
                }
            }
            if( !strcasecmp(item->string, "livroom_right") )
            {
                if( strcasestr(value, "on") )
                {
                    //turn_light(LIGHT_LVROOM_RIGHT, ON);
                    log_nrml("Turn on livingroom right light\n");
                }
                else if( strcasestr(value, "off") )
                {
                    //turn_light(LIGHT_LVROOM_RIGHT, OFF);
                    log_nrml("Turn off livingroom right light\n");
                }
            }

 
            free(value); /* must free it, or it will result memory leak */
        }
    }

}

void sub_message_callback(struct mosquitto *mosq, void *userdata, const struct mosquitto_message *message)
@@ -295,7 +265,7 @@
        free(value);
        goto OUT;
    }
    

    free(value); 

    /* proc JSON mesage */
@@ -318,7 +288,7 @@
    if( !ctx )
    {
        log_err("Invalid input arguments\n");
   return NULL;
        return NULL;
    }

    mqtt_ctx = &ctx->mqtt_ctx;