更新时间:2021-09-14 GMT+08:00
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Demo2

该Demo主要展示edge_driver.h里的回调函数和接口函数使用。

#include "edge_driver.h"

#include <stdio.h>
#include <string.h>
#include <unistd.h>

/**
 * 驱动Demo
 * Demo内容涉及函数函数,接口函数,Modbus Demo和other Demo
 * Modbus Demo和other Demo主要是展示调用有关接口
 * ***************************************/

/******************************  回调函数Demo  ***************************************/

/**
 * 描述:子设备添加的回调
 * 参数:
 *  event_id: null
 *  add_sub_devices_event:添加的子设备信息
 */
EDGE_RETCODE sub_device_add_cb_1(const char* event_id, ST_ADD_SUB_DEVICES_EVENT* add_sub_devices_event)
{
    int i;

    printf("add_sub_device_event payload shows below:\n");
    printf("device's version:%lld\n", (long long)add_sub_devices_event->version);
    printf("devices:\n");
    for(i = 0; i < add_sub_devices_event->device_len; i++)
    {
        printf(" {parent_device_id:%s, ", add_sub_devices_event->devices[i].parent_device_id);
        printf("node_id:%s, ", add_sub_devices_event->devices[i].node_id);
        printf("device_id:%s, ", add_sub_devices_event->devices[i].device_id);
        printf("name:%s, ", add_sub_devices_event->devices[i].name);
        printf("description:%s, ", add_sub_devices_event->devices[i].description);

        printf("product_id:%s, ", add_sub_devices_event->devices[i].product_id);
        printf("fw_version:%s, ", add_sub_devices_event->devices[i].fw_version);
        printf("sw_version:%s, ", add_sub_devices_event->devices[i].sw_version);
        printf("status:%s}\n", add_sub_devices_event->devices[i].status);
    }

    return EDGE_SUCCESS;
}

/**
 * 描述:子设备刪除的回调
 * 参数:
 *  event_id: null
 *  delete_sub_devices_event:添加的子设备信息
 */
EDGE_RETCODE sub_device_delete_cb_1(const char* event_id, ST_DELETE_SUB_DEVICES_EVENT* delete_sub_devices_event)
{
    int i;

    printf("delete_sub_device_event payload shows below:\n");
    printf("device's version:%lld\n", delete_sub_devices_event->version);
    printf("devices:\n");
    for(i = 0; i < delete_sub_devices_event->device_len; i++)
    {
        printf(" {parent_device_id:%s, ", delete_sub_devices_event->devices[i].parent_device_id);
        printf("node_id:%s, ", delete_sub_devices_event->devices[i].node_id);
        printf("device_id:%s, ", delete_sub_devices_event->devices[i].device_id);
        printf("name:%s, ", delete_sub_devices_event->devices[i].name);
        printf("description:%s, ", delete_sub_devices_event->devices[i].description);

        printf("product_id:%s, ", delete_sub_devices_event->devices[i].product_id);
        printf("fw_version:%s, ", delete_sub_devices_event->devices[i].fw_version);
        printf("sw_version:%s, ", delete_sub_devices_event->devices[i].sw_version);
        printf("status:%s}\n", delete_sub_devices_event->devices[i].status);
    }

    return EDGE_SUCCESS;
}

/**
 * 描述:针对子设备的命令的回调函数
 * 参数:
 *  command_name:命令名称
 *  device_id:子设备Id
 *  service_id:服务Id
 *  request_id:请求Id(响应命令)
 *  body:命令体
 *  body_len:命令体长度
 */
EDGE_RETCODE deviceCmdCb(const char* command_name, const char* device_id,
                         const char* service_id, const char* request_id, const char* body, unsigned int body_len)
{
    printf("command_name:%s, device_id:%s, service_id:%s, request_id:%s, body:%s, body_len:%d",
           command_name, device_id, service_id, request_id, body, body_len);

    char* rsp = "{\"error_desc\":\"ok\"}";

    edge_send_command_rsp(NULL, request_id, 0, rsp, strlen(rsp));

    return EDGE_SUCCESS;
}

/**
 * 描述:子设备事件的回调
 * 参数:
 *  device_id:子设备Id
 *  body:事件体
 *  len:长度
 */
EDGE_RETCODE sub_device_event_cb(const char* device_id, const char* body, unsigned int body_len)
{
    printf("%s\n", device_id);
    printf("%s", body);

    return EDGE_SUCCESS;
}

/**
 * 描述:子设备start_scan事件的回调
 * 参数:
 *  protocol:协议
 *  channel:通道
 *  parentDeviceId:父设备Id
 *  scan_setting:扫描设置
 *  body_len:长度
 */
EDGE_RETCODE sub_device_start_scan_cb(const char* protocol, const char* channel, const char* parentDeviceId,const char* scan_setting, unsigned int body_len)
{
    printf("protocol = %s, channel = %s, parentDeviceId = %s, scan_setting = %s", protocol, channel, parentDeviceId, scan_setting);

    return EDGE_SUCCESS;
}

/**
 * 描述:子设备消息的回调
 * 参数:
 *  message_id:消息Id
 *  channel:通道
 *  device_id:设备Id
 *  body:消息体
 *  body_len:长度
 */
EDGE_RETCODE sub_device_messages_down_cb(const char* message_id, const char* message_name, const char* device_id, const char* body, unsigned int body_len)
{
    printf("message_id = %s, message_name = %s, device_id = %s, body = %s", message_id, message_name, device_id, body);

    return EDGE_SUCCESS;
}

/**
 * 描述:子设备收到属性设置的回调
 * 参数:
 *  sub_device_property_set:属性设置的具体数据
 */
EDGE_RETCODE sub_device_properties_set_cb(ST_PROPERTY_SET* sub_device_property_set)
{
    printf("object_device_id = %s, request_id = %s\n", sub_device_property_set->object_device_id, sub_device_property_set->request_id);
    printf("services_size = %d\n", sub_device_property_set->services_size);
    int i;
    for(i = 0; i< sub_device_property_set->services_size; i++)
    {
        printf("service_id = %s, properties = %s\n", sub_device_property_set->services[i].service_id, sub_device_property_set->services[i].properties);
    }
    ST_IOT_RESULT result;
    result.result_desc = "ok";
    result.result_code = "0";
    edge_send_sub_device_property_set_rsp(sub_device_property_set->request_id, &result);
    return EDGE_SUCCESS;
}

/**
 * 描述:子设备属性获取的回调
 * 参数:
 *  sub_device_property_get:获取到的子设备属性
 */
EDGE_RETCODE sub_device_properties_get_cb(ST_PROPERTY_GET* sub_device_property_get)
{
    printf("object_device_id = %s, request_id = %s, service_id = %s", sub_device_property_get->object_device_id, sub_device_property_get->request_id, sub_device_property_get->service_id);
    char* data_body1 = "{\n"
                       "\t\"PhV_phsA\":1,\n"
                       "\t\"PhV_phsB\":2\n"
                       "}";
    ST_DEVICE_PROPERTY_GET_RSP device_property_get_rsp;
    ST_SERVICE_DATA service_data_1 = {0};
    service_data_1.service_id = "service_id_1";
    service_data_1.properties = data_body1;
    service_data_1.event_time = "20200520T115630Z";
    device_property_get_rsp.services = &service_data_1;
    device_property_get_rsp.services_size = 1;

    edge_send_sub_device_property_get_rsp(sub_device_property_get->request_id, &device_property_get_rsp);
    return EDGE_SUCCESS;
}

/**
 * 描述:获取子设备影子的回调
 * 参数:
 *  sub_device_shadow:子设备影子
 */
EDGE_RETCODE sub_device_shadow_cb(ST_DEVICE_SHADOW* sub_device_shadow)
{
    printf("object_device_id = %s, request_id = %s\n", sub_device_shadow->object_device_id, sub_device_shadow->request_id);
    printf("services_size = %d\n", sub_device_shadow->shadow_size);
    int i;
    for(i = 0; i< sub_device_shadow->shadow_size; i++) {
        printf("service_id = %s, properties = %s\n", sub_device_shadow->shadow[i].service_id, sub_device_shadow->shadow[i].desired_properties);
    }
    return EDGE_SUCCESS;
}

/**
 * 描述:子设备请求响应的回调
 * 参数:
 *  getProductsRspEvent:获取到的子设备请求响应信息
 */
EDGE_RETCODE get_products_response_cb(ST_GET_PRODUCTS_RSP_EVENT* getProductsRspEvent)
{
    int i, j, k, l, m;
    for (i = 0; i < getProductsRspEvent->product_len; i++)
    {
        printf("%d-th product's info shows below:\n", i+1);
        printf("product_id:%s\n", getProductsRspEvent->products[i].product_id);
        printf("name:%s\n", getProductsRspEvent->products[i].name);
        printf("device_type:%s\n", getProductsRspEvent->products[i].device_type);
        printf("protocol_type:%s\n", getProductsRspEvent->products[i].protocol_type);
        printf("data_format:%s\n", getProductsRspEvent->products[i].data_format);
        printf("industry:%s\n", getProductsRspEvent->products[i].industry);
        printf("name:%s\n", getProductsRspEvent->products[i].name);
        printf("service_capabilities:\n");
        for (j = 0; j < getProductsRspEvent->products[i].service_capability_len; j++)
        {
            printf(" service_id:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].service_id);
            printf("service_type:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].service_type);
            printf("description:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].description);
            printf("option:%s\n", getProductsRspEvent->products[i].serviceCapabilities[j].option);
            printf(" properties:\n");
            for(k = 0; k < getProductsRspEvent->products[i].serviceCapabilities[j].property_len; k++)
            {
                printf("  property_name:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].property_name);
                printf("required:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].required ? "true" : "false");
                printf("data_type:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].data_type);
                printf("enum_list:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].enum_list);
                printf("min:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].min);
                printf("max:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].max);
                printf("max_length:%d, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].max_length);
                printf("step:%lf, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].step);
                printf("unit:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].unit);
                printf("method:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].method);
                printf("description:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].description);
                printf("default_value:%s\n", getProductsRspEvent->products[i].serviceCapabilities[j].properties[k].default_value);
            }

            printf(" commands:\n");
            for(k = 0; k < getProductsRspEvent->products[i].serviceCapabilities[j].command_len; k++)
            {
                printf("  command_name:%s\n", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].command_name);
                printf("  paras:\n");
                for(l = 0; l < getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].para_len; l++)
                {
                    printf("    para_name:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].para_name);
                    printf("required:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].required ? "true" : "false");
                    printf("data_type:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].data_type);
                    printf("enum_list:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].enum_list);
                    printf("min:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].min);
                    printf("max:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].max);
                    printf("max_length:%d, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].max_length);
                    printf("step:%lf, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].step);
                    printf("unit:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].unit);
                    printf("description:%s\n", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].paras[l].description);
                }

                printf("  responses:\n");
                for(l = 0; l < getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].response_len; l++)
                {
                    printf("   response_name:%s\n", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].response_name);
                    printf("   paras:\n");
                    for(m = 0; m < getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].service_command_para_len; m++)
                    {
                        printf("    para_name:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].para_name);
                        printf("required:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].required ? "true" : "false");
                        printf("data_type:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].data_type);
                        printf("enum_list:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].enum_list);
                        printf("min:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].min);
                        printf("max:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].max);
                        printf("max_length:%d, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].max_length);
                        printf("step:%lf, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].step);
                        printf("unit:%s, ", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].unit);
                        printf("description:%s\n", getProductsRspEvent->products[i].serviceCapabilities[j].commands[k].responses[l].paras[m].description);
                    }
                }
            }
        }
        printf("\n");
    }

    return EDGE_SUCCESS;
}

以下是接口函数部分

/******************************  接口函数Demo  ***************************************/

/**
 * 上报子设备属性数据
 */
EDGE_RETCODE send_batch_device_data()
{
    /*
     * 具体上报的子设备数据和设备的产品模型有关系,和属性对应
     * */
    char* data_body1 = "{\n"
                       "\t\"PhV_phsA\":1,\n"
                       "\t\"PhV_phsB\":2\n"
                       "}";
    char* data_body2 =  "{\"PhV_phsA\":\"1\",\"PhV_phsB\":\"2\"}";
    printf("data_body1:%s\n", data_body1);
    printf("data_body2:%s\n", data_body2);

    ST_DEVICE_SERVICE device_data[2];
    ST_DEVICE_SERVICE devcie_data_1 = {0};
    ST_DEVICE_SERVICE devcie_data_2 = {0};

    ST_SERVICE_DATA service_data[2];
    ST_SERVICE_DATA service_data_1 = {0};
    service_data_1.service_id = "service_id_1";
    service_data_1.properties = data_body1;
    service_data_1.event_time = "20200520T115630Z";
    ST_SERVICE_DATA service_data_2 = {0};
    service_data_2.service_id = "service_id_2";
    service_data_2.properties = data_body2;
    service_data_2.event_time = "20200520T115630Z";
    service_data[0] = service_data_1;
    service_data[1] = service_data_2;

    devcie_data_1.services = service_data;
    devcie_data_1.device_id = "device_id_1";
    devcie_data_1.size = 2;

    devcie_data_2.services = service_data;
    devcie_data_2.device_id = "device_id_2";
    devcie_data_2.size = 2;
    device_data[0] = devcie_data_1;
    device_data[1] = devcie_data_2;

    ST_SUB_DEVICES_PROPERTIES_REPORT subDevicesPropertiesReport = {0};
    subDevicesPropertiesReport.device_size = 2;
    subDevicesPropertiesReport.devices = device_data;

    return edge_driver_report_sub_device_properties(&subDevicesPropertiesReport);
}

/**
 * 描述:获取设备影子事件示例
 */
void get_device_shadow()
{
    ST_DEVICE_SHADOW_GET device_shadow_get = {0};
    device_shadow_get.service_id = "service1";
    device_shadow_get.object_device_id = "deviceId1";
    char* request_id = "123";
    edge_driver_get_device_shadow(request_id, &device_shadow_get);
}

/**
 * 描述:获取产品示例
 * */
void get_products()
{
    char* product_ids[10] = {0};
    product_ids[0] = "1234";
    product_ids[1] = "1234";
    edge_driver_get_products(product_ids, 2);
}

/**
 * 描述:发送设备事件示例
 */
void send_sub_device_event()
{
    ST_DEVICE_EVENT device_event = {0};
    device_event.object_device_id = "deviceId1";
    ST_SERVICE_EVENT service_event = {0};
    service_event.service_id = "message_name";
    service_event.event_id = "message_id";
    service_event.event_type = "message_name";
    service_event.paras =  "{\n"
                           "\t\"module_id\": \"module_id\",\n"
                           "\t\"old_status\": \"STOPPED|RUNNING|UNHEALTHY\",\n"
                           "\t\"new_status\": \"STOPPED|RUNNING|UNHEALTHY\"\n"
                           "}";
    service_event.paras_len = (int)strlen(service_event.paras);
    device_event.services = &service_event;
    device_event.services_size = 1;

    edge_driver_send_device_event(&device_event);
}

/**
 * 描述:发送设备消息示例
 */
void send_sub_device_message()
{
    ST_DEVICE_MESSAGE device_message = {0};
    device_message.object_device_id = "deviceId1";
    device_message.name = "message_name";
    device_message.id = "message_id";
    device_message.content =  "{\n"
                              "\t\"module_id\": \"module_id\",\n"
                              "\t\"old_status\": \"STOPPED|RUNNING|UNHEALTHY\",\n"
                              "\t\"new_status\": \"STOPPED|RUNNING|UNHEALTHY\"\n"
                              "}";
    device_message.content_len = (int)strlen(device_message.content);
    edge_driver_send_device_message(&device_message);
}

/**
 * 描述:更新子设备状态方式示例
 * */
void update_sub_device_status(){
    /*
     * 构造 {"device_statuses":[{
     *          "device_id":"deviceId",
     *          "status":"status"
     *  }]}
     * */
    ST_DEVICE_STATUS device_status[2];
    ST_DEVICE_STATUS device_status_1 = {0};
    device_status_1.device_id = "device_id_1";
    device_status_1.status = "RUNNING";
    device_status[0] = device_status_1;
    ST_DEVICE_STATUS device_status_2 = {0};
    device_status_2.device_id = "device_id_2";
    device_status_2.status = "RUNNING";
    device_status[1] = device_status_2;

    const char* event_id = "event_id1";
    edge_driver_update_sub_devices_status(event_id, device_status, 2);
}

/**
 * 描述:同步子设备方式示例
 */
void sync_sub_devices()
{
    const char* event_id = "event_id1";
    long long version = 123;

    edge_driver_sync_sub_devices(event_id, version);
}

/**
 * 描述:发送服务事件方式示例
 */
void send_service_event()
{
    char* body = "{\n"
                 "\t\"module_id\": \"module_id\",\n"
                 "\t\"old_status\": \"STOPPED|RUNNING|UNHEALTHY\",\n"
                 "\t\"new_status\": \"STOPPED|RUNNING|UNHEALTHY\"\n"
                 "}";

    edge_driver_send_service_event("module_management", "module_status_change", body, strlen(body));
}

下面是Modbus Demo和其他Demo,里面包括调用上面所有的回调函数和接口函数,用不到的地方注释掉即可。

/******************************  Modbus Demo和其他Demo ***************************************/
/**
 * modbus demo
 */

void modbus_driver_demo()
{
    EDGE_RETCODE ret;

    // 设置定时任务
    while(1)
    {
        ret = send_batch_device_data();
        if (EDGE_SUCCESS != ret)
        {
            printf("failed to report sub device data.\n");
        }
        // 每1000秒重复上报数据
        sleep(1000);
    }
}

/**
 * 其他demo,可根据需要自行选择
 */
void other_demo()
{
    edge_driver_get_shadow();

    send_service_event();
    sleep(5);

    get_device_shadow();
    sleep(1);
    get_products();
    sleep(1);
    send_sub_device_event();
    sleep(1);
    send_sub_device_message();
    sleep(1);
    update_sub_device_status();
    sleep(1);
    sync_sub_devices();

    // 这里是为了使应用能够长时间运行
    while (1)
    {
        sleep(1000);
    }
}

void driver_demo() {
    // 禁用缓冲区
    setvbuf(stdout, NULL, _IONBF, 0);

    //初始化sdk,工作路径设置(工作路径下需要含有 /conf  目录(该目录下包含证书等信息))
    edge_driver_init("../code/api_test/workdir");
    printf("driver demo start.\n");

    // 请根据需要选择相应的回调处理函数
    ST_GATEWAY_CBS gateway_cbs = {0};
    gateway_cbs.pfn_sub_device_add_cb_1 = sub_device_add_cb_1;
    gateway_cbs.pfn_sub_device_deleted_cb_1 = sub_device_delete_cb_1;
    gateway_cbs.pfn_device_command_cb = deviceCmdCb;
    gateway_cbs.pfn_device_event_cb = sub_device_event_cb;
    gateway_cbs.pfn_on_start_scan_cb = sub_device_start_scan_cb;
    gateway_cbs.pfn_device_message_cb = sub_device_messages_down_cb;
    gateway_cbs.pfn_on_get_products_rsp_cb = get_products_response_cb;

    gateway_cbs.pfn_device_properties_set_cb = sub_device_properties_set_cb;
    gateway_cbs.pfn_device_properties_get_cb = sub_device_properties_get_cb;
    gateway_cbs.pfn_device_shadow_cb = sub_device_shadow_cb;

    //设置网关回调函数(无需全部设置,按需设置需要接受的回调)
    edge_driver_set_gateway_callback(&gateway_cbs);

    //连接hub
    edge_driver_login();
    sleep(10);

    // 自定义demo, 请根据需要替换或修改
    // 如果不需要,请注释掉
    modbus_driver_demo();

    // 如果不需要,请注释掉
    other_demo();

    edge_driver_logout();
    sleep(1000);
    edge_driver_destroy();
}

int main()
{
    driver_demo();
    return 0;
}

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