Files
TencentOS-tiny/components/connectivity/iot-hub-device-c-sdk/services/hub/broadcast/sample/broadcast_sample.c
2022-03-25 10:06:56 +08:00

221 lines
6.7 KiB
C

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