From feb96aa5dc5a36e5a3156341b3decfb253da7c4e Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Sat, 15 Nov 2025 02:35:44 +0800
Subject: [PATCH] rename iotd to lightd
---
project/thingsboard/thingsboard.c | 414 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 414 insertions(+), 0 deletions(-)
diff --git a/project/thingsboard/thingsboard.c b/project/thingsboard/thingsboard.c
new file mode 100644
index 0000000..3f5ee13
--- /dev/null
+++ b/project/thingsboard/thingsboard.c
@@ -0,0 +1,414 @@
+/*********************************************************************************
+ * Copyright: (C) 2019 LingYun IoT System Studio
+ * All rights reserved.
+ *
+ * Filename: main.c
+ * Description: This file
+ *
+ * Version: 1.0.0(29/01/19)
+ * Author: Guo Wenxue <guowenxue@gmail.com>
+ * ChangeLog: 1, Release initial version on "29/01/19 15:34:41"
+ *
+ ********************************************************************************/
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+#include <getopt.h>
+#include <libgen.h>
+#include <string.h>
+#include <errno.h>
+
+#include <mosquitto.h>
+#include <cjson/cJSON.h>
+
+#include "logger.h"
+#include "util_proc.h"
+#include "config.h"
+#include "sht20.h"
+#include "leds.h"
+
+#define PROG_VERSION "v1.0.0"
+#define DAEMON_PIDFILE "/tmp/.thingsboard.pid"
+
+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(" -b[daemon ] Running in daemon mode\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)
+{
+ int daemon = 0;
+ pthread_t tid;
+ mqtt_ctx_t ctx;
+ char *conf_file="/etc/thingsboard.conf";
+ int debug = 0;
+ int opt;
+ char *progname=NULL;
+
+ struct option long_options[] = {
+ {"conf", required_argument, NULL, 'c'},
+ {"daemon", no_argument, NULL, 'b'},
+ {"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:bdvh", long_options, NULL)) != -1)
+ {
+ switch (opt)
+ {
+ case 'c': /* Set configure file */
+ conf_file = optarg;
+ break;
+
+ case 'b': /* Set daemon running */
+ daemon = 1;
+ break;
+
+ case 'd': /* Set debug running */
+ 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;
+ }
+
+ }
+
+ /* parser configure file */
+ if( parser_conf(conf_file, &ctx, debug)<0 )
+ {
+ fprintf(stderr, "Parser thingsboard configure file failure\n");
+ return -2;
+ }
+
+ /* install signal proc handler */
+ install_default_signal();
+
+ /* check program already running or not, if already running then exit, or set running as daemon */
+ if( check_set_program_running(daemon, DAEMON_PIDFILE) < 0 )
+ goto cleanup;
+
+ /* initial mosquitto library */
+ mosquitto_lib_init();
+
+ /* create MQTT subsciber thread */
+ if( thread_start(&tid, mqtt_sub_worker, &ctx ) < 0 )
+ {
+ log_error("Start MQTT subsciber worker thread failure\n");
+ goto cleanup;
+ }
+ log_info("Start MQTT subsciber worker thread ok\n");
+
+ /* create MQTT publisher thread */
+ if( thread_start(&tid, mqtt_pub_worker, &ctx) < 0 )
+ {
+ 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);
+ }
+
+cleanup:
+ mosquitto_lib_cleanup();
+ log_close();
+
+ return 0;
+} /* ----- End of main() ----- */
+
+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; /* temperature */
+ float rh = 0.0; /* relative humidity */
+ int retain = 0;
+
+ if( result )
+ {
+ log_error("Publisher connect to broker server[%s:%d] failed, rv=%d\n", ctx->host, ctx->port, result);
+ 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 )
+ {
+ memset(msg, 0, sizeof(msg));
+
+ log_debug("SHT2X temperature and humidity sensor enabled, start broadcast it\n");
+
+ 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);
+ if( rv )
+ {
+ log_error("Publisher broadcast message '%s' failure: %d\n", msg, rv);
+ }
+ else
+ {
+ log_info("Publisher broadcast message '%s' ok\n", msg);
+ }
+ }
+
+ 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);
+}
+
+void proc_json_items(cJSON *root, mqtt_ctx_t *ctx)
+{
+ cJSON *item_method;
+ cJSON *item_params;
+ cJSON *item_device;
+ cJSON *item_status;
+
+ char *method;
+ char *device;
+ int status;
+
+ /* 获取 method 字段 */
+ item_method = cJSON_GetObjectItem(root, "method");
+ if (item_method == NULL || !cJSON_IsString(item_method))
+ {
+ printf("JSON missing method\n");
+ return;
+ }
+ method = item_method->valuestring;
+
+ /* 只处理 setValue 命令 */
+ if (strcmp(method, "setValue") != 0)
+ {
+ printf("Ignore method: %s\n", method);
+ return;
+ }
+
+ /* 获取 params 对象 */
+ item_params = cJSON_GetObjectItem(root, "params");
+ if (item_params == NULL || !cJSON_IsObject(item_params))
+ {
+ printf("JSON missing params\n");
+ return;
+ }
+
+ /* 获取 params.device */
+ item_device = cJSON_GetObjectItem(item_params, "device");
+ if (item_device == NULL || !cJSON_IsString(item_device))
+ {
+ printf("JSON missing params.device\n");
+ return;
+ }
+ device = item_device->valuestring;
+
+ /* 获取 params.status (布尔值) */
+ item_status = cJSON_GetObjectItem(item_params, "status");
+ if (item_status == NULL || !(cJSON_IsBool(item_status)))
+ {
+ printf("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)
+ {
+ turn_led(LED_R, status);
+ }
+ else if (strcmp(device, "GreenLed") == 0)
+ {
+ turn_led(LED_G, status);
+ }
+ else if (strcmp(device, "BlueLed") == 0)
+ {
+ turn_led(LED_B, status);
+ }
+
+ return;
+}
+
+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;
+
+ if ( !message->payloadlen )
+ {
+ log_error("%s (null)\n", message->topic);
+ return ;
+ }
+
+ log_info("Subscriber receive message: '%s'\n", message->payload);
+
+ root = cJSON_Parse(message->payload);
+ if( !root )
+ {
+ log_error("cJSON_Parse parser failure: %s\n", cJSON_GetErrorPtr());
+ return ;
+ }
+
+ proc_json_items(root, ctx);
+
+ /* must delete it, or it will result memory leak */
+ cJSON_Delete(root);
+
+ return ;
+}
+
+
+void *mqtt_sub_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, 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_error("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;
+}
+
--
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