221 lines
6.7 KiB
C
221 lines
6.7 KiB
C
/**
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* @copyright
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*
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* Tencent is pleased to support the open source community by making IoT Hub available.
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* Copyright(C) 2018 - 2021 THL A29 Limited, a Tencent company.All rights reserved.
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*
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* Licensed under the MIT License(the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://opensource.org/licenses/MIT
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License is
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* distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* @file broadcast_sample.c
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* @brief
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* @author fancyxu (fancyxu@tencent.com)
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* @version 1.0
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* @date 2021-07-18
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*
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* @par Change Log:
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* <table>
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* <tr><th>Date <th>Version <th>Author <th>Description
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* <tr><td>2021-07-18 <td>1.0 <td>fancyxu <td>first commit
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* </table>
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*/
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "qcloud_iot_common.h"
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#include "qcloud_iot_hub.h"
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#include "utils_log.h"
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/**
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* @brief MQTT event callback, @see MQTTEventHandleFun
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*
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* @param[in] client pointer to mqtt client
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* @param[in] handle_context context
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* @param[in] msg msg
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*/
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static void _mqtt_event_handler(void *client, void *handle_context, MQTTEventMsg *msg)
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{
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MQTTMessage *mqtt_message = (MQTTMessage *)msg->msg;
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uintptr_t packet_id = (uintptr_t)msg->msg;
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switch (msg->event_type) {
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case MQTT_EVENT_UNDEF:
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Log_i("undefined event occur.");
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break;
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case MQTT_EVENT_DISCONNECT:
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Log_i("MQTT disconnect.");
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break;
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case MQTT_EVENT_RECONNECT:
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Log_i("MQTT reconnect.");
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break;
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case MQTT_EVENT_PUBLISH_RECEIVED:
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Log_i("topic message arrived but without any related handle: topic=%.*s, topic_msg=%.*s",
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mqtt_message->topic_len, STRING_PTR_PRINT_SANITY_CHECK(mqtt_message->topic_name),
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mqtt_message->payload_len, STRING_PTR_PRINT_SANITY_CHECK((char *)mqtt_message->payload));
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break;
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case MQTT_EVENT_SUBSCRIBE_SUCCESS:
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Log_i("subscribe success, packet-id=%u", (unsigned int)packet_id);
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break;
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case MQTT_EVENT_SUBSCRIBE_TIMEOUT:
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Log_i("subscribe wait ack timeout, packet-id=%u", (unsigned int)packet_id);
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break;
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case MQTT_EVENT_SUBSCRIBE_NACK:
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Log_i("subscribe nack, packet-id=%u", (unsigned int)packet_id);
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break;
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case MQTT_EVENT_UNSUBSCRIBE_SUCCESS:
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Log_i("unsubscribe success, packet-id=%u", (unsigned int)packet_id);
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break;
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case MQTT_EVENT_UNSUBSCRIBE_TIMEOUT:
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Log_i("unsubscribe timeout, packet-id=%u", (unsigned int)packet_id);
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break;
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case MQTT_EVENT_UNSUBSCRIBE_NACK:
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Log_i("unsubscribe nack, packet-id=%u", (unsigned int)packet_id);
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break;
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case MQTT_EVENT_PUBLISH_SUCCESS:
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Log_i("publish success, packet-id=%u", (unsigned int)packet_id);
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break;
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case MQTT_EVENT_PUBLISH_TIMEOUT:
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Log_i("publish timeout, packet-id=%u", (unsigned int)packet_id);
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break;
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case MQTT_EVENT_PUBLISH_NACK:
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Log_i("publish nack, packet-id=%u", (unsigned int)packet_id);
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break;
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default:
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Log_i("Should NOT arrive here.");
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break;
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}
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}
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/**
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* @brief Setup MQTT construct parameters.
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*
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* @param[in,out] initParams @see MQTTInitParams
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* @param[in] device_info @see DeviceInfo
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*/
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static void _setup_connect_init_params(MQTTInitParams *init_params, DeviceInfo *device_info)
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{
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init_params->device_info = device_info;
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init_params->command_timeout = QCLOUD_IOT_MQTT_COMMAND_TIMEOUT;
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init_params->keep_alive_interval_ms = QCLOUD_IOT_MQTT_KEEP_ALIVE_INTERNAL;
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init_params->auto_connect_enable = 1;
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init_params->event_handle.h_fp = _mqtt_event_handler;
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init_params->event_handle.context = NULL;
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}
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/**
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* @brief Callback when MQTT msg arrives @see OnMessageHandler
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*
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* @param[in, out] client pointer to mqtt client
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* @param[in] message publish message from server
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* @param[in] usr_data user data of SubscribeParams, @see SubscribeParams
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*/
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static void _on_broadcast_arrived_callback(void *client, const char *msg, int msg_len, void *usr_data)
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{
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Log_i("Receive broadcast message:%.*s, usr data:%d", msg_len, STRING_PTR_PRINT_SANITY_CHECK(msg), *(int *)usr_data);
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(*(int *)usr_data)++;
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}
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// ----------------------------------------------------------------------------
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// Main
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// ----------------------------------------------------------------------------
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static int sg_main_exit = 0;
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#ifdef __linux__
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#include <signal.h>
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#include <pthread.h>
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#include <unistd.h>
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static void _main_exit(int sig)
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{
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Log_e("demo exit by signal:%d\n", sig);
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sg_main_exit = 1;
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}
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#endif
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int main(int argc, char **argv)
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{
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#ifdef __linux__
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signal(SIGINT, _main_exit);
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#endif
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int rc;
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// init log level
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LogHandleFunc func = {0};
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func.log_malloc = HAL_Malloc;
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func.log_free = HAL_Free;
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func.log_get_current_time_str = HAL_Timer_Current;
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func.log_printf = HAL_Printf;
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utils_log_init(func, LOG_LEVEL_DEBUG, 2048);
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DeviceInfo device_info;
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rc = HAL_GetDevInfo((void *)&device_info);
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if (rc) {
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Log_e("get device info failed: %d", rc);
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return rc;
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}
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// init connection
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MQTTInitParams init_params = DEFAULT_MQTT_INIT_PARAMS;
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_setup_connect_init_params(&init_params, &device_info);
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// create MQTT client and connect with server
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void *client = IOT_MQTT_Construct(&init_params);
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if (client) {
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Log_i("Cloud Device Construct Success");
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} else {
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Log_e("MQTT Construct failed!");
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return QCLOUD_ERR_FAILURE;
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}
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// subscribe normal topics and wait result
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static int test_usr_data = 0;
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rc = IOT_Broadcast_Init(client, _on_broadcast_arrived_callback, &test_usr_data);
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if (rc) {
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Log_e("Client Subscribe Topic Failed: %d", rc);
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return rc;
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}
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do {
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rc = IOT_MQTT_Yield(client, QCLOUD_IOT_MQTT_YIELD_TIMEOUT);
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if (rc == QCLOUD_ERR_MQTT_ATTEMPTING_RECONNECT) {
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HAL_SleepMs(1000);
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continue;
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} else if (rc != QCLOUD_RET_SUCCESS && rc != QCLOUD_RET_MQTT_RECONNECTED) {
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Log_e("exit with error: %d", rc);
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break;
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}
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} while (!sg_main_exit);
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rc = IOT_Broadcast_Deinit(client);
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rc |= IOT_MQTT_Destroy(&client);
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utils_log_deinit();
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return rc;
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}
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