Files
TencentOS-tiny/components/connectivity/qcloud-iot-hub-sdk/3rdparty/samples/gateway/gateway_sample.c
daishengdong 3e631cd96a update qcloud sdk
1. iot-hub sdk update to 3.2.0
2. iot-explorer update to 3.1.1
2020-05-07 11:11:04 +08:00

338 lines
11 KiB
C

/*
* Tencent is pleased to support the open source community by making IoT Hub available.
* Copyright (C) 2018-2020 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.
*
*/
#include <limits.h>
#include <stdbool.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "qcloud_iot_export.h"
#include "utils_getopt.h"
void _event_handler(void *client, void *context, MQTTEventMsg *msg)
{
MQTTMessage *mqtt_messge = (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_RECVEIVED:
Log_i("topic message arrived but without any related handle: topic=%.*s, topic_msg=%.*s",
mqtt_messge->topic_len, mqtt_messge->ptopic, mqtt_messge->payload_len, mqtt_messge->payload);
break;
case MQTT_EVENT_SUBCRIBE_SUCCESS:
Log_i("subscribe success, packet-id=%u", (unsigned int)packet_id);
break;
case MQTT_EVENT_SUBCRIBE_TIMEOUT:
Log_i("subscribe wait ack timeout, packet-id=%u", (unsigned int)packet_id);
break;
case MQTT_EVENT_SUBCRIBE_NACK:
Log_i("subscribe nack, packet-id=%u", (unsigned int)packet_id);
break;
case MQTT_EVENT_UNSUBCRIBE_SUCCESS:
Log_i("unsubscribe success, packet-id=%u", (unsigned int)packet_id);
break;
case MQTT_EVENT_UNSUBCRIBE_TIMEOUT:
Log_i("unsubscribe timeout, packet-id=%u", (unsigned int)packet_id);
break;
case MQTT_EVENT_UNSUBCRIBE_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;
}
}
static void _message_handler(void *client, MQTTMessage *message, void *user_data)
{
if (message == NULL) {
return;
}
Log_i("Receive Message With topicName:%.*s, payload:%.*s", (int)message->topic_len, message->ptopic,
(int)message->payload_len, (char *)message->payload);
}
static int _setup_gw_init_params(GatewayInitParam *gw_init_params, GatewayDeviceInfo *gw_dev_info)
{
MQTTInitParams *init_params = &gw_init_params->init_param;
DeviceInfo * dev_info = &gw_dev_info->gw_info;
init_params->product_id = dev_info->product_id;
init_params->device_name = dev_info->device_name;
#ifdef AUTH_MODE_CERT
char certs_dir[16] = "certs";
char current_path[128];
char *cwd = getcwd(current_path, sizeof(current_path));
if (cwd == NULL) {
Log_e("getcwd return NULL");
return QCLOUD_ERR_FAILURE;
}
#ifdef WIN32
HAL_Snprintf(init_params->cert_file, FILE_PATH_MAX_LEN, "%s\\%s\\%s", current_path, certs_dir,
dev_info->dev_cert_file_name);
HAL_Snprintf(init_params->key_file, FILE_PATH_MAX_LEN, "%s\\%s\\%s", current_path, certs_dir,
dev_info->dev_key_file_name);
#else
HAL_Snprintf(init_params->cert_file, FILE_PATH_MAX_LEN, "%s/%s/%s", current_path, certs_dir,
dev_info->dev_cert_file_name);
HAL_Snprintf(init_params->key_file, FILE_PATH_MAX_LEN, "%s/%s/%s", current_path, certs_dir,
dev_info->dev_key_file_name);
#endif
#else
init_params->device_secret = dev_info->device_secret;
#endif
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 = _event_handler;
init_params->event_handle.context = NULL;
return QCLOUD_RET_SUCCESS;
}
// subscribe subdev MQTT topic and wait for sub result
static int _subscribe_subdev_topic_wait_result(void *client, char *topic_keyword, QoS qos, GatewayParam *gw_info)
{
char topic_name[128] = {0};
int size = HAL_Snprintf(topic_name, sizeof(topic_name), "%s/%s/%s", gw_info->subdev_product_id,
gw_info->subdev_device_name, topic_keyword);
if (size < 0 || size > sizeof(topic_name) - 1) {
Log_e("topic content length not enough! content size:%d buf size:%d", size, (int)sizeof(topic_name));
return QCLOUD_ERR_FAILURE;
}
SubscribeParams sub_params = DEFAULT_SUB_PARAMS;
sub_params.qos = qos;
sub_params.on_message_handler = _message_handler;
int rc = IOT_Gateway_Subscribe(client, topic_name, &sub_params);
if (rc < 0) {
Log_e("IOT_Gateway_Subscribe fail.");
return rc;
}
int wait_cnt = 10;
while (!IOT_Gateway_IsSubReady(client, topic_name) && (wait_cnt > 0)) {
// wait for subscription result
rc = IOT_Gateway_Yield(client, 1000);
if (rc) {
Log_e("MQTT error: %d", rc);
return rc;
}
wait_cnt--;
}
if (wait_cnt > 0) {
return QCLOUD_RET_SUCCESS;
} else {
Log_e("wait for subscribe result timeout!");
return QCLOUD_ERR_FAILURE;
}
}
// publish MQTT msg
static int _publish_subdev_msg(void *client, char *topic_keyword, QoS qos, GatewayParam *gw_info)
{
char topic_name[128] = {0};
int size = HAL_Snprintf(topic_name, sizeof(topic_name), "%s/%s/%s", gw_info->subdev_product_id,
gw_info->subdev_device_name, topic_keyword);
if (size < 0 || size > sizeof(topic_name) - 1) {
Log_e("topic content length not enough! content size:%d buf size:%d", size, (int)sizeof(topic_name));
return QCLOUD_ERR_FAILURE;
}
static int test_count = 0;
PublishParams pub_params = DEFAULT_PUB_PARAMS;
pub_params.qos = qos;
char topic_content[128] = {0};
size = HAL_Snprintf(topic_content, sizeof(topic_content), "{\"action\": \"gateway_test\", \"count\": \"%d\"}",
test_count++);
if (size < 0 || size > sizeof(topic_content) - 1) {
Log_e("payload content length not enough! content size:%d buf size:%d", size, (int)sizeof(topic_content));
return -3;
}
pub_params.payload = topic_content;
pub_params.payload_len = strlen(topic_content);
return IOT_Gateway_Publish(client, topic_name, &pub_params);
}
static int sg_loop_count = 5;
static int parse_arguments(int argc, char **argv)
{
int c;
while ((c = utils_getopt(argc, argv, "c:l:")) != EOF) switch (c) {
case 'c':
if (HAL_SetDevInfoFile(utils_optarg))
return -1;
break;
case 'l':
sg_loop_count = atoi(utils_optarg);
if (sg_loop_count > 10000)
sg_loop_count = 10000;
else if (sg_loop_count < 0)
sg_loop_count = 1;
break;
default:
HAL_Printf(
"usage: %s [options]\n"
" [-c <config file for DeviceInfo>] \n"
" [-l <loop count>] \n",
argv[0]);
return -1;
}
return 0;
}
int main(int argc, char **argv)
{
int rc = QCLOUD_ERR_FAILURE;
void *client = NULL;
IOT_Log_Set_Level(eLOG_DEBUG);
// parse arguments for device info file and loop test;
rc = parse_arguments(argc, argv);
if (rc != QCLOUD_RET_SUCCESS) {
Log_e("parse arguments error, rc = %d", rc);
return rc;
}
GatewayDeviceInfo gw_dev_info;
rc = HAL_GetGwDevInfo((void *)&gw_dev_info);
if (QCLOUD_RET_SUCCESS != rc) {
Log_e("Get gateway dev info err,rc:%d", rc);
return rc;
}
GatewayInitParam init_params = DEFAULT_GATEWAY_INIT_PARAMS;
_setup_gw_init_params(&init_params, &gw_dev_info);
client = IOT_Gateway_Construct(&init_params);
if (client == NULL) {
Log_e("client constructed failed.");
return QCLOUD_ERR_FAILURE;
}
// make sub-device online
GatewayParam gw_param = DEFAULT_GATEWAY_PARAMS;
;
gw_param.product_id = gw_dev_info.gw_info.product_id;
gw_param.device_name = gw_dev_info.gw_info.device_name;
DeviceInfo *sub_dev_info;
sub_dev_info = gw_dev_info.sub_dev_info;
gw_param.subdev_product_id = sub_dev_info->product_id;
gw_param.subdev_device_name = sub_dev_info->device_name;
#if 0
// one GatewayParam only support one sub-device
// use more GatewayParam to add more sub-device
GatewayParam gw_param1 = DEFAULT_GATEWAY_PARAMS;;
gw_param1.product_id = gw_dev_info.gw_info.product_id;
gw_param1.device_name = gw_dev_info.gw_info.device_name;
gw_param1.subdev_product_id = "SUB-PRODUCT";
gw_param1.subdev_device_name = "SUB-DEVICE";
#endif
rc = IOT_Gateway_Subdev_Online(client, &gw_param);
if (rc != QCLOUD_RET_SUCCESS) {
Log_e("IOT_Gateway_Subdev_Online fail.");
return rc;
}
// gateway proxy loop for sub-device
// subscribe sub-device topic
rc = _subscribe_subdev_topic_wait_result(client, "data", QOS0, &gw_param);
if (rc) {
Log_e("Subdev Subscribe Topic Failed: %d", rc);
return rc;
}
do {
// publish msg to sub-device topic
rc = _publish_subdev_msg(client, "data", QOS1, &gw_param);
if (rc < 0) {
Log_e("IOT_Gateway_Publish fail.");
}
rc = IOT_Gateway_Yield(client, 200);
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;
}
HAL_SleepMs(1000);
} while (--sg_loop_count > 0);
// make sub-device offline
rc = IOT_Gateway_Subdev_Offline(client, &gw_param);
if (rc != QCLOUD_RET_SUCCESS) {
Log_e("IOT_Gateway_Subdev_Offline fail.");
return rc;
}
rc = IOT_Gateway_Destroy(client);
return rc;
}