| | |
| | | #include <stdio.h> |
| | | #include <time.h> |
| | | #include <unistd.h> |
| | | #include <getopt.h> |
| | | #include <libgen.h> |
| | | #include <string.h> |
| | | |
| | | #include <mosquitto.h> |
| | | |
| | |
| | | |
| | | #include "conf.h" |
| | | |
| | | #define PROG_VERSION "v1.0.0" |
| | | #define DAEMON_PIDFILE "/tmp/.mqtt.pid" |
| | | |
| | | |
| | | int check_set_program_running(int daemon); |
| | | void *mqtt_sub_worker(void *args); |
| | | void *mqtt_pub_worker(void *args); |
| | | |
| | | static void program_usage(char *progname) |
| | | { |
| | | |
| | | printf("Usage: %s [OPTION]...\n", progname); |
| | | printf(" %s is LingYun studio MQTT daemon program running on RaspberryPi\n", progname); |
| | | |
| | | printf("\nMandatory arguments to long options are mandatory for short options too:\n"); |
| | | printf(" -d[debug ] Running in debug mode\n"); |
| | | printf(" -c[conf ] Specify configure file\n"); |
| | | printf(" -h[help ] Display this help information\n"); |
| | | printf(" -v[version ] Display the program version\n"); |
| | | |
| | | printf("\n%s version %s\n", progname, PROG_VERSION); |
| | | return; |
| | | } |
| | | |
| | | |
| | | int main (int argc, char **argv) |
| | | { |
| | | float temp; |
| | | float rh; |
| | | int daemon = 0; |
| | | int daemon = 1; |
| | | pthread_t tid; |
| | | mqtt_ctx_t ctx; |
| | | char *conf="./etc/mqttd.conf"; |
| | | int debug = 1; |
| | | char *conf_file=NULL; |
| | | int debug = 0; |
| | | int opt; |
| | | char *progname=NULL; |
| | | |
| | | if( mqttd_parser_conf(conf, &ctx, debug)<0 ) |
| | | struct option long_options[] = { |
| | | {"conf", required_argument, NULL, 'c'}, |
| | | {"debug", no_argument, NULL, 'd'}, |
| | | {"version", no_argument, NULL, 'v'}, |
| | | {"help", no_argument, NULL, 'h'}, |
| | | {NULL, 0, NULL, 0} |
| | | }; |
| | | |
| | | progname = (char *)basename(argv[0]); |
| | | |
| | | /* Parser the command line parameters */ |
| | | while ((opt = getopt_long(argc, argv, "c:dvh", long_options, NULL)) != -1) |
| | | { |
| | | switch (opt) |
| | | { |
| | | case 'c': /* Set configure file */ |
| | | conf_file = optarg; |
| | | break; |
| | | |
| | | case 'd': /* Set debug running */ |
| | | daemon = 0; |
| | | debug = 1; |
| | | break; |
| | | |
| | | case 'v': /* Get software version */ |
| | | printf("%s version %s\n", progname, PROG_VERSION); |
| | | return 0; |
| | | |
| | | case 'h': /* Get help information */ |
| | | program_usage(progname); |
| | | return 0; |
| | | |
| | | default: |
| | | break; |
| | | } |
| | | |
| | | } |
| | | |
| | | if( !conf_file ) |
| | | debug = 1; |
| | | |
| | | if( mqttd_parser_conf(conf_file, &ctx, debug)<0 ) |
| | | { |
| | | fprintf(stderr, "Parser mqtted configure file failure\n"); |
| | | return -2; |
| | | } |
| | | |
| | | #if 0 |
| | | if( hal_init() < 0 ) |
| | | { |
| | | log_err("Initialise hardware failure\n"); |
| | | return -1; |
| | | } |
| | | log_nrml("HAL initialise ok\n"); |
| | | #endif |
| | | |
| | | install_proc_signal(); |
| | | |
| | | if( check_set_program_running(daemon) < 0 ) |
| | | goto OUT; |
| | | |
| | | if( !debug ) |
| | | |
| | | mosquitto_lib_init(); |
| | | |
| | |
| | | mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata; |
| | | int rv = 0; |
| | | char msg[128]; |
| | | float temp = 25.64; |
| | | float rh = 65.35; |
| | | char light[] = "on"; |
| | | float temp = 0.0; |
| | | int retain = 0; |
| | | |
| | | if( result ) |
| | |
| | | log_nrml("Publisher connect to broker server[%s:%d] successfully\n", ctx->host, ctx->port); |
| | | |
| | | memset(msg, 0, sizeof(msg)); |
| | | snprintf(msg, sizeof(msg), "{ \"temp\":\"%.2f\", \"R&H\":\"%.2f%%\" }", temp, rh); |
| | | if( ds18b20_get_temperature(&temp) < 0 ) |
| | | strncpy(msg, "{ \"temp\":\"error\" }", sizeof(msg)); |
| | | else |
| | | snprintf(msg, sizeof(msg), "{ \"temp\":\"%.2f\" }", temp); |
| | | |
| | | 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); |
| | | } |
| | | else |
| | | { |
| | | log_nrml("Publisher broadcast message '%s' ok\n", msg); |
| | | } |
| | | |
| | | memset(msg, 0, sizeof(msg)); |
| | | snprintf(msg, sizeof(msg), "{ \"light\":\"%s\" }", light); |
| | | |
| | | 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); |
| | | } |
| | | else |
| | | { |
| | |
| | | log_warn("Subscriber disconnect to broker server[%s:%d], reason=%d\n", ctx->host, ctx->port, result); |
| | | } |
| | | |
| | | static inline void mqtt_turn_led(int which, char *cmd) |
| | | { |
| | | if( strcasestr(cmd, "on") ) |
| | | turn_led(which, ON); |
| | | else if( strcasestr(cmd, "off") ) |
| | | turn_led(which, OFF); |
| | | } |
| | | |
| | | void proc_json_items(cJSON *root) |
| | | { |
| | |
| | | if( NULL != (led_item=cJSON_GetObjectItem(array , "red")) ) |
| | | { |
| | | log_nrml("turn red led '%s'\n", led_item->valuestring); |
| | | mqtt_turn_led(LED_R, led_item->valuestring); |
| | | } |
| | | |
| | | if( NULL != (led_item=cJSON_GetObjectItem(array , "green")) ) |
| | | { |
| | | log_nrml("turn green led '%s'\n", led_item->valuestring); |
| | | mqtt_turn_led(LED_G, led_item->valuestring); |
| | | } |
| | | |
| | | if( NULL != (led_item=cJSON_GetObjectItem(array , "blue")) ) |
| | | { |
| | | log_nrml("turn blue led '%s'\n", led_item->valuestring); |
| | | mqtt_turn_led(LED_B, led_item->valuestring); |
| | | } |
| | | } |
| | | } |
| | |
| | | if( strcasestr(value, "on") ) |
| | | { |
| | | log_nrml("Turn light on\n"); |
| | | turn_relay(ON); |
| | | } |
| | | else if( strcasestr(value, "off") ) |
| | | { |
| | | log_nrml("Turn light off\n"); |
| | | turn_relay(OFF); |
| | | } |
| | | } |
| | | |