| | |
| | | #include <stdio.h> |
| | | #include <time.h> |
| | | #include <unistd.h> |
| | | #include <getopt.h> |
| | | #include <libgen.h> |
| | | #include <string.h> |
| | | |
| | | #include "led.h" |
| | | #include "ds18b20.h" |
| | | #include "sht20.h" |
| | | #include <mosquitto.h> |
| | | |
| | | int hal_init(void); |
| | | #include "logger.h" |
| | | #include "cJSON.h" |
| | | #include "proc.h" |
| | | #include "hal.h" |
| | | |
| | | /******************************************************************************** |
| | | * Description: |
| | | * Input Args: |
| | | * Output Args: |
| | | * Return Value: |
| | | ********************************************************************************/ |
| | | #include "conf.h" |
| | | |
| | | #define PROG_VERSION "v1.0.0" |
| | | #define DAEMON_PIDFILE "/tmp/.mqtt.pid" |
| | | |
| | | #define FLAG_DETECTD (1<<0) |
| | | #define FLAG_RELAYON (1<<1) |
| | | int g_breakin_flag = 0; /* relay already turn on and wait to off */ |
| | | |
| | | 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; |
| | | } |
| | | |
| | | void turn_light_off(int signum) |
| | | { |
| | | if( g_breakin_flag&FLAG_RELAYON ) |
| | | { |
| | | log_nrml("fill-in light timeout and turn light off now\n"); |
| | | turn_relay(OFF); |
| | | } |
| | | |
| | | g_breakin_flag = 0; |
| | | } |
| | | |
| | | int main (int argc, char **argv) |
| | | { |
| | | float temp; |
| | | float rh; |
| | | int daemon = 1; |
| | | pthread_t tid; |
| | | mqtt_ctx_t ctx; |
| | | char *conf_file=NULL; |
| | | int debug = 0; |
| | | int opt; |
| | | char *progname=NULL; |
| | | double lux = 0.0; |
| | | |
| | | if( hal_init() < 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) |
| | | { |
| | | printf("Initialise hardware failure\n"); |
| | | return -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; |
| | | } |
| | | |
| | | while(1) |
| | | { |
| | | turn_led(LED_R, ON); |
| | | sleep(1); |
| | | turn_led(LED_R, OFF); |
| | | sleep(1); |
| | | |
| | | turn_led(LED_G, ON); |
| | | sleep(1); |
| | | turn_led(LED_G, OFF); |
| | | sleep(1); |
| | | |
| | | turn_led(LED_B, ON); |
| | | sleep(1); |
| | | turn_led(LED_B, OFF); |
| | | sleep(1); |
| | | |
| | | if(sht2x_get_temp_humidity(&temp, &rh) < 0) |
| | | { |
| | | printf("SHT2X get temperature and relative humidity failure\n"); |
| | | } |
| | | else |
| | | { |
| | | printf("SHT2X Temperature=%lf ℃ relative humidity=%lf%\n", temp, rh); |
| | | } |
| | | |
| | | |
| | | if( ds18b20_get_temperature(&temp) < 0) |
| | | { |
| | | printf("DS18B20 get temperature failure\n"); |
| | | } |
| | | else |
| | | { |
| | | printf("DS18B20 get temperature=%lf ℃ \n", temp); |
| | | } |
| | | } |
| | | |
| | | 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( hal_init(&ctx.hwconf) < 0 ) |
| | | { |
| | | log_err("Initialise hardware failure\n"); |
| | | return -3; |
| | | } |
| | | else |
| | | { |
| | | log_nrml("HAL initialise ok\n"); |
| | | } |
| | | |
| | | install_proc_signal(); |
| | | |
| | | if( ctx.hwconf.fillin_light ) |
| | | { |
| | | log_nrml("Install inbreak detected fill-in light off signal\n"); |
| | | signal(SIGALRM, turn_light_off); |
| | | } |
| | | |
| | | if( check_set_program_running(daemon) < 0 ) |
| | | goto OUT; |
| | | |
| | | mosquitto_lib_init(); |
| | | |
| | | if( thread_start(&tid, mqtt_sub_worker, &ctx ) < 0 ) |
| | | { |
| | | log_fatal("Start MQTT subsciber worker thread failure\n"); |
| | | goto OUT; |
| | | } |
| | | log_nrml("Start MQTT subsciber worker thread ok\n"); |
| | | |
| | | if( thread_start(&tid, mqtt_pub_worker, &ctx) < 0 ) |
| | | { |
| | | log_fatal("Start MQTT publisher worker thread failure\n"); |
| | | goto OUT; |
| | | } |
| | | log_nrml("Start MQTT publisher worker thread ok\n"); |
| | | |
| | | while( ! g_signal.stop ) |
| | | { |
| | | msleep(1000); |
| | | |
| | | if( ctx.hwconf.infrared_pin && !g_breakin_flag ) |
| | | { |
| | | //log_nrml("infrared dected human incoming\n"); |
| | | if( infrared_detect(1000) ) |
| | | { |
| | | log_nrml("Someone incoming detected by infrared\n"); |
| | | g_breakin_flag |= FLAG_DETECTD; |
| | | |
| | | /* setup alarm to turn relay off or clear the flag */ |
| | | alarm(ctx.hwconf.light_intval); |
| | | |
| | | if( ctx.hwconf.inbreak_beep ) |
| | | { |
| | | turn_beep(ctx.hwconf.beep_times); |
| | | } |
| | | |
| | | if( ctx.hwconf.fillin_light==FILLIN_LIGHT_ON && !g_breakin_flag ) |
| | | { |
| | | log_nrml("Force fill-in light on and will be off in [%d] seconds\n", ctx.hwconf.light_intval); |
| | | turn_relay(ON); |
| | | g_breakin_flag |= FLAG_RELAYON; |
| | | } |
| | | else if( ctx.hwconf.fillin_light==FILLIN_LIGHT_AUTO && ctx.hwconf.lux ) |
| | | { |
| | | lux = tsl2561_get_lux(); |
| | | log_nrml("TSL2516 detect illumination intensity %.3flux and threshold %.3flux\n", |
| | | lux, ctx.hwconf.lux_threshold); |
| | | |
| | | /* only lux<0.01 will turn on light */ |
| | | if( lux-0.001 > ctx.hwconf.lux_threshold) |
| | | { |
| | | log_nrml("Illumination intensity enuf, no need fill-in light\n"); |
| | | } |
| | | else |
| | | { |
| | | log_nrml("Auto fill-in light on and will be off in [%d] seconds\n", ctx.hwconf.light_intval); |
| | | turn_relay(ON); |
| | | g_breakin_flag |= FLAG_RELAYON; |
| | | } |
| | | } |
| | | |
| | | } |
| | | |
| | | } |
| | | //log_nrml("Main control thread continue running\n"); |
| | | } |
| | | |
| | | |
| | | OUT: |
| | | mosquitto_lib_cleanup(); |
| | | logger_term(); |
| | | |
| | | return 0; |
| | | } /* ----- End of main() ----- */ |
| | | |
| | | |
| | | int hal_init(void) |
| | | int check_set_program_running(int daemon) |
| | | { |
| | | init_led(); |
| | | |
| | | if( sht2x_init() < 0 ) |
| | | if( check_daemon_running(DAEMON_PIDFILE) ) |
| | | { |
| | | printf("Initialise SHT20 failure\n"); |
| | | return -2; |
| | | log_err("Program already running, process exit now"); |
| | | return -1; |
| | | } |
| | | |
| | | if( daemon ) |
| | | { |
| | | if( set_daemon_running(DAEMON_PIDFILE) < 0 ) |
| | | { |
| | | log_err("set program running as daemon failure\n"); |
| | | return -2; |
| | | } |
| | | } |
| | | else |
| | | { |
| | | if( record_daemon_pid(DAEMON_PIDFILE) < 0 ) |
| | | { |
| | | log_err("record program running PID failure\n"); |
| | | return -3; |
| | | } |
| | | } |
| | | |
| | | return 0; |
| | | } |
| | | |
| | | |
| | | void pub_connect_callback(struct mosquitto *mosq, void *userdata, int result) |
| | | { |
| | | mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata; |
| | | int rv = 0; |
| | | char msg[128]; |
| | | float temp = 0.0; |
| | | int retain = 0; |
| | | |
| | | if( result ) |
| | | { |
| | | log_err("Publisher connect to broker server[%s:%d] failed, rv=%d\n", ctx->host, ctx->port, result); |
| | | return ; |
| | | } |
| | | |
| | | log_nrml("Publisher connect to broker server[%s:%d] successfully\n", ctx->host, ctx->port); |
| | | |
| | | if( ctx->hwconf.ds18b20 ) |
| | | { |
| | | memset(msg, 0, sizeof(msg)); |
| | | |
| | | if( ds18b20_get_temperature(&temp) < 0 ) |
| | | snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"error\" }", ctx->id); |
| | | else |
| | | snprintf(msg, sizeof(msg), "{ \"id\":%s, \"temp\":\"%.2f\" }", ctx->id, 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); |
| | | } |
| | | } |
| | | |
| | | log_nrml("Publisher broadcast over and disconnect broker now\n", ctx->host, ctx->port); |
| | | mosquitto_disconnect(mosq); |
| | | |
| | | return ; |
| | | } |
| | | |
| | | |
| | | void *mqtt_pub_worker(void *args) |
| | | { |
| | | mqtt_ctx_t *ctx = (mqtt_ctx_t *)args; |
| | | struct mosquitto *mosq; |
| | | bool session = true; |
| | | |
| | | |
| | | mosq = mosquitto_new(NULL, session, ctx); |
| | | if( !mosq ) |
| | | { |
| | | log_err("mosquitto_new failure\n"); |
| | | return NULL; |
| | | } |
| | | |
| | | /* set connnect to broker username and password */ |
| | | if( strlen(ctx->uid)> 0 && strlen(ctx->pwd)> 0 ) |
| | | mosquitto_username_pw_set(mosq, ctx->uid, ctx->pwd); |
| | | |
| | | /* set callback functions */ |
| | | mosquitto_connect_callback_set(mosq, pub_connect_callback); |
| | | |
| | | while( !g_signal.stop ) |
| | | { |
| | | /* connect to MQTT broker */ |
| | | if( mosquitto_connect(mosq, ctx->host, ctx->port, ctx->keepalive) ) |
| | | { |
| | | log_err("Publisher connect to broker[%s:%d] failure: %s\n", ctx->host, ctx->port, strerror(errno)); |
| | | msleep(1000); |
| | | continue; |
| | | } |
| | | |
| | | /* -1: use default timeout 1000ms 1: unused */ |
| | | mosquitto_loop_forever(mosq, -1, 1); |
| | | |
| | | /* Publisher broadcast sensors data message interval time, unit seconds */ |
| | | sleep( ctx->interval ); |
| | | } |
| | | |
| | | mosquitto_destroy(mosq); |
| | | return NULL; |
| | | } |
| | | |
| | | void sub_connect_callback(struct mosquitto *mosq, void *userdata, int result) |
| | | { |
| | | mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata; |
| | | |
| | | if( result ) |
| | | { |
| | | 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->host, ctx->port); |
| | | mosquitto_subscribe(mosq, NULL, ctx->subTopic, ctx->subQos); |
| | | } |
| | | |
| | | void sub_disconnect_callback(struct mosquitto *mosq, void *userdata, int result) |
| | | { |
| | | mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata; |
| | | |
| | | 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, mqtt_ctx_t *ctx) |
| | | { |
| | | int i; |
| | | char *value; |
| | | cJSON *item; |
| | | cJSON *array; |
| | | hwconf_t *hwconf = &ctx->hwconf; |
| | | |
| | | if( !root ) |
| | | { |
| | | log_err("Invalid input arguments $root\n"); |
| | | return ; |
| | | } |
| | | |
| | | for( i=0; i<cJSON_GetArraySize(root); i++ ) |
| | | { |
| | | item = cJSON_GetArrayItem(root, i); |
| | | if( !item ) |
| | | break; |
| | | |
| | | /* if item is cJSON_Object, then recursive call proc_json */ |
| | | if( cJSON_Object == item->type ) |
| | | { |
| | | proc_json_items(item, ctx); |
| | | } |
| | | else if( cJSON_Array == item->type ) |
| | | { |
| | | /* RGB colors led control */ |
| | | if( hwconf->leds && !strcasecmp(item->string, "led") ) |
| | | { |
| | | array = cJSON_GetArrayItem(item, 0); |
| | | if( NULL != array ) |
| | | { |
| | | cJSON *led_item; |
| | | |
| | | 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); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | else |
| | | { |
| | | value = cJSON_Print(item); |
| | | |
| | | /* light controled by relay */ |
| | | if( hwconf->relay_pin && !strcasecmp(item->string, "light") ) |
| | | { |
| | | 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); |
| | | } |
| | | } |
| | | |
| | | /* buzzer */ |
| | | if( hwconf->beep_pin && !strcasecmp(item->string, "buzzer") ) |
| | | { |
| | | if( strcasestr(value, "on") ) |
| | | { |
| | | log_nrml("Turn buzzer on [%d] times\n", hwconf->beep_times); |
| | | } |
| | | } |
| | | |
| | | 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) |
| | | { |
| | | mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata; |
| | | |
| | | cJSON *root = NULL; |
| | | cJSON *item; |
| | | char *value; |
| | | |
| | | |
| | | if ( !message->payloadlen ) |
| | | { |
| | | log_err("%s (null)\n", message->topic); |
| | | return ; |
| | | } |
| | | |
| | | log_dbg("Subscriber receive message: '%s'\n", message->payload); |
| | | |
| | | root = cJSON_Parse(message->payload); |
| | | if( !root ) |
| | | { |
| | | log_err("cJSON_Parse parser failure: %s\n", cJSON_GetErrorPtr()); |
| | | return ; |
| | | } |
| | | |
| | | item = cJSON_GetObjectItem(root, "id"); |
| | | if( !item ) |
| | | { |
| | | log_err("cJSON_Parse get ID failure: %s\n", cJSON_GetErrorPtr()); |
| | | goto OUT; |
| | | } |
| | | |
| | | value = cJSON_PrintUnformatted(item); |
| | | if( strcasecmp(value, ctx->id) ) |
| | | { |
| | | free(value); |
| | | goto OUT; |
| | | } |
| | | |
| | | free(value); |
| | | log_nrml("Subscriber receive message: '%s'\n", message->payload); |
| | | |
| | | proc_json_items(root, ctx); |
| | | |
| | | OUT: |
| | | cJSON_Delete(root); /* must delete it, or it will result memory leak */ |
| | | return ; |
| | | } |
| | | |
| | | |
| | | void *mqtt_sub_worker(void *args) |
| | | { |
| | | mqtt_ctx_t *ctx = (mqtt_ctx_t *)args; |
| | | struct mosquitto *mosq; |
| | | bool session = true; |
| | | |
| | | mosq = mosquitto_new(NULL, session, ctx); |
| | | if( !mosq ) |
| | | { |
| | | log_err("mosquitto_new failure\n"); |
| | | return NULL; |
| | | } |
| | | |
| | | /* set connnect to broker username and password */ |
| | | if( strlen(ctx->uid)> 0 && strlen(ctx->pwd)> 0 ) |
| | | mosquitto_username_pw_set(mosq, ctx->uid, ctx->pwd); |
| | | |
| | | /* set callback functions */ |
| | | mosquitto_connect_callback_set(mosq, sub_connect_callback); |
| | | mosquitto_disconnect_callback_set(mosq, sub_disconnect_callback); |
| | | mosquitto_message_callback_set(mosq, sub_message_callback); |
| | | |
| | | while( !g_signal.stop ) |
| | | { |
| | | /* connect to MQTT broker */ |
| | | if( mosquitto_connect(mosq, ctx->host, ctx->port, ctx->keepalive) ) |
| | | { |
| | | log_err("Subscriber connect to broker[%s:%d] failure: %s\n", ctx->host, ctx->port, strerror(errno)); |
| | | msleep(1000); |
| | | continue; |
| | | } |
| | | |
| | | /* -1: use default timeout 1000ms 1: unused */ |
| | | mosquitto_loop_forever(mosq, -1, 1); |
| | | } |
| | | |
| | | mosquitto_destroy(mosq); |
| | | return NULL; |
| | | } |
| | | |