From 4291c22ef445b8f94d2bcf1a7a3f531d3d9f6121 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Tue, 18 Nov 2025 10:43:20 +0800
Subject: [PATCH] update thingsboard and lightd
---
project/thingsboard/thingsboard.c | 212 +++++++++++++++++++++--------------------------------
1 files changed, 84 insertions(+), 128 deletions(-)
diff --git a/project/thingsboard/thingsboard.c b/project/thingsboard/thingsboard.c
index c2f443f..6611f22 100644
--- a/project/thingsboard/thingsboard.c
+++ b/project/thingsboard/thingsboard.c
@@ -31,14 +31,12 @@
#define PROG_VERSION "v1.0.0"
#define DAEMON_PIDFILE "/tmp/.thingsboard.pid"
-void *mqtt_sub_worker(void *args);
-void *mqtt_pub_worker(void *args);
+void *thingsboard_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(" %s is LingYun studio thingsboard client running on RaspberryPi\n", progname);
printf("\nMandatory arguments to long options are mandatory for short options too:\n");
printf(" -b[daemon ] Running in daemon mode\n");
@@ -55,7 +53,7 @@
{
int daemon = 0;
pthread_t tid;
- mqtt_ctx_t ctx;
+ iotd_ctx_t ctx;
char *conf_file="/etc/thingsboard.conf";
int debug = 0;
int opt;
@@ -100,7 +98,6 @@
default:
break;
}
-
}
/* parser configure file */
@@ -120,25 +117,18 @@
/* initial mosquitto library */
mosquitto_lib_init();
- /* create MQTT subsciber thread */
- if( thread_start(&tid, mqtt_sub_worker, &ctx ) < 0 )
+ /* start thingsboard MQTT thread */
+ if( thread_start(&tid, thingsboard_worker, &ctx.mqtt ) < 0 )
{
- log_error("Start MQTT subsciber worker thread failure\n");
+ log_error("Start thingsboard MQTT worker thread failure\n");
goto cleanup;
}
- log_info("Start MQTT subsciber worker thread ok\n");
+ log_info("Start thingsboard MQTT worker thread ok\n");
- /* create MQTT publisher thread */
- if( thread_start(&tid, mqtt_pub_worker, &ctx) < 0 )
+ /* control thread loop */
+ while( !g_signal.stop )
{
- log_error("Start MQTT publisher worker thread failure\n");
- goto cleanup;
- }
- log_info("Start MQTT publisher worker thread ok\n");
-
- while( ! g_signal.stop )
- {
- msleep(1000);
+ sleep(1);
}
cleanup:
@@ -146,36 +136,41 @@
log_close();
return 0;
-} /* ----- End of main() ----- */
+}
+
+/*
+ * +--------------------------------+
+ * | ThingsBoard MQTT Thread |
+ * +--------------------------------+
+ */
+
+/* process publisher(uplink) data */
void pub_connect_callback(struct mosquitto *mosq, void *userdata, int result)
{
- mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata;
+ mqtt_ctx_t *mqtt = (mqtt_ctx_t *)userdata;
+ iotd_ctx_t *iotd = to_iotd(mqtt);
int rv = 0;
char msg[128];
float temp = 0.0; /* temperature */
float rh = 0.0; /* relative humidity */
int retain = 0;
+ static time_t last_time = 0;
- if( result )
- {
- log_error("Publisher connect to broker server[%s:%d] failed, rv=%d\n", ctx->host, ctx->port, result);
+ /* publish time is not arrive */
+ if( !check_timeout(&last_time, mqtt->interval) )
return ;
- }
- log_info("Publisher connect to broker server[%s:%d] successfully\n", ctx->host, ctx->port);
- log_debug("Publish topic '%s'\n", ctx->pubTopic);
-
- if( ctx->hwconf.sht2x )
+ log_debug("Publish topic '%s'\n", mqtt->pubTopic);
+ if( iotd->hwinfo.sht2x )
{
- memset(msg, 0, sizeof(msg));
-
log_debug("SHT2X temperature and humidity sensor enabled, start broadcast it\n");
+ if( sht2x_get_temp_humidity(&temp, &rh)<0 )
+ return ;
- if( 0 == sht2x_get_temp_humidity(&temp, &rh) )
- snprintf(msg, sizeof(msg), "{\"temperature\":%.2f, \"humidity\":%.2f}", temp, rh);
-
- rv = mosquitto_publish(mosq, NULL, ctx->pubTopic, strlen(msg), msg, ctx->pubQos, retain);
+ memset(msg, 0, sizeof(msg));
+ snprintf(msg, sizeof(msg), "{\"temperature\":%.2f, \"humidity\":%.2f}", temp, rh);
+ rv = mosquitto_publish(mosq, NULL, mqtt->pubTopic, strlen(msg), msg, mqtt->pubQos, retain);
if( rv )
{
log_error("Publisher broadcast message '%s' failure: %d\n", msg, rv);
@@ -186,84 +181,10 @@
}
}
- msleep(500);
- log_info("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(ctx->devid, session, ctx);
- if( !mosq )
- {
- log_error("mosquitto_new failure\n");
- return NULL;
- }
-
- /* connnect to broker by token or uid/pwd */
- if( strlen(ctx->token ) > 0)
- {
- log_info("Using token authentication\n");
- mosquitto_username_pw_set(mosq, ctx->token, NULL);
- }
- else if( strlen(ctx->uid)> 0 && strlen(ctx->pwd)> 0 )
- {
- log_info("Using username/password authentication\n");
- 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_error("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_error("Subscriber connect to broker server failed, rv=%d\n", result);
- return ;
- }
-
- log_info("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);
-}
-
+/* process subscriber(downlink) data */
void proc_json_items(cJSON *root, mqtt_ctx_t *ctx)
{
cJSON *item_method;
@@ -279,7 +200,7 @@
item_method = cJSON_GetObjectItem(root, "method");
if (item_method == NULL || !cJSON_IsString(item_method))
{
- printf("JSON missing method\n");
+ log_error("JSON missing method\n");
return;
}
method = item_method->valuestring;
@@ -287,7 +208,7 @@
/* 只处理 setValue 命令 */
if (strcmp(method, "setValue") != 0)
{
- printf("Ignore method: %s\n", method);
+ log_error("Ignore method: %s\n", method);
return;
}
@@ -295,7 +216,7 @@
item_params = cJSON_GetObjectItem(root, "params");
if (item_params == NULL || !cJSON_IsObject(item_params))
{
- printf("JSON missing params\n");
+ log_error("JSON missing params\n");
return;
}
@@ -303,7 +224,7 @@
item_device = cJSON_GetObjectItem(item_params, "device");
if (item_device == NULL || !cJSON_IsString(item_device))
{
- printf("JSON missing params.device\n");
+ log_error("JSON missing params.device\n");
return;
}
device = item_device->valuestring;
@@ -312,21 +233,21 @@
item_status = cJSON_GetObjectItem(item_params, "status");
if (item_status == NULL || !(cJSON_IsBool(item_status)))
{
- printf("JSON missing params.status\n");
+ log_error("JSON missing params.status\n");
return;
}
status = cJSON_IsTrue(item_status) ? ON : OFF;
/* 映射 LED 名称并调用控制函数 */
- if (strcmp(device, "RedLed") == 0)
+ if ( !strcmp(device, "RedLed") )
{
turn_led(LED_R, status);
}
- else if (strcmp(device, "GreenLed") == 0)
+ else if ( !strcmp(device, "GreenLed") )
{
turn_led(LED_G, status);
}
- else if (strcmp(device, "BlueLed") == 0)
+ else if ( !strcmp(device, "BlueLed") )
{
turn_led(LED_B, status);
}
@@ -346,7 +267,7 @@
return ;
}
- log_debug("Subscriber receive message: '%s'\n", message->payload);
+ log_info("Subscriber receive message: '%s'\n", message->payload);
root = cJSON_Parse(message->payload);
if( !root )
@@ -355,6 +276,7 @@
return ;
}
+ /* process receive message data */
proc_json_items(root, ctx);
/* must delete it, or it will result memory leak */
@@ -363,12 +285,33 @@
return ;
}
+void mqtt_connect_callback(struct mosquitto *mosq, void *userdata, int result)
+{
+ mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata;
-void *mqtt_sub_worker(void *args)
+ if( result )
+ {
+ log_error("mosquitto connect to broker server failed, rv=%d\n", result);
+ return ;
+ }
+
+ log_info("mosquitto connect to broker server[%s:%d] successfully\n", ctx->host, ctx->port);
+ mosquitto_subscribe(mosq, NULL, ctx->subTopic, ctx->subQos);
+}
+
+void mqtt_disconnect_callback(struct mosquitto *mosq, void *userdata, int result)
+{
+ mqtt_ctx_t *ctx = (mqtt_ctx_t *)userdata;
+
+ log_warn("mosquitto disconnect to broker server[%s:%d], reason=%d\n", ctx->host, ctx->port, result);
+}
+
+void *thingsboard_worker(void *args)
{
mqtt_ctx_t *ctx = (mqtt_ctx_t *)args;
struct mosquitto *mosq;
bool session = true;
+ int rv = 0;
mosq = mosquitto_new(ctx->devid, session, ctx);
if( !mosq )
@@ -380,7 +323,7 @@
/* connnect to broker by token or uid/pwd */
if( strlen(ctx->token ) > 0)
{
- log_info("Using token authentication\n");
+ log_info("Using token authentication: '%s'\n", ctx->token);
mosquitto_username_pw_set(mosq, ctx->token, NULL);
}
else if( strlen(ctx->uid)> 0 && strlen(ctx->pwd)> 0 )
@@ -390,8 +333,8 @@
}
/* set callback functions */
- mosquitto_connect_callback_set(mosq, sub_connect_callback);
- mosquitto_disconnect_callback_set(mosq, sub_disconnect_callback);
+ mosquitto_connect_callback_set(mosq, mqtt_connect_callback);
+ mosquitto_disconnect_callback_set(mosq, mqtt_disconnect_callback);
mosquitto_message_callback_set(mosq, sub_message_callback);
while( !g_signal.stop )
@@ -399,13 +342,26 @@
/* connect to MQTT broker */
if( mosquitto_connect(mosq, ctx->host, ctx->port, ctx->keepalive) )
{
- log_error("Subscriber connect to broker[%s:%d] failure: %s\n", ctx->host, ctx->port, strerror(errno));
- msleep(1000);
+ log_error("mosquitto connect to broker[%s:%d] failure: %s\n", ctx->host, ctx->port, strerror(errno));
+ sleep(1);
continue;
}
- /* -1: use default timeout 1000ms 1: unused */
- mosquitto_loop_forever(mosq, -1, 1);
+ while(!g_signal.stop)
+ {
+ /* periodically publish and report data */
+ pub_connect_callback(mosq, ctx, MOSQ_ERR_SUCCESS);
+
+ /* MQTT process in Non-blocking mode, timeout for 1s */
+ if( MOSQ_ERR_SUCCESS != (rv = mosquitto_loop(mosq, 1000, 1)) )
+ {
+ log_warn("MQTT loop error: %s, reconnecting...\n", mosquitto_strerror(rv));
+ break;
+ }
+ }
+
+ mosquitto_disconnect(mosq);
+ sleep(1);
}
mosquitto_destroy(mosq);
--
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