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TencentOS-tiny/components/connectivity/iot-hub-device-c-sdk/include/services/common/qcloud_iot_cos.h

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2.6 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 qcloud_iot_cos.h
* @brief
* @author fancyxu (fancyxu@tencent.com)
* @version 1.0
* @date 2021-10-26
*
* @par Change Log:
* <table>
* <tr><th>Date <th>Version <th>Author <th>Description
* <tr><td>2021-10-26 <td>1.0 <td>fancyxu <td>first commit
* </table>
*/
#ifndef IOT_HUB_DEVICE_C_SDK_INCLUDE_SERVICES_COMMON_QCLOUD_IOT_COS_H_
#define IOT_HUB_DEVICE_C_SDK_INCLUDE_SERVICES_COMMON_QCLOUD_IOT_COS_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include "qcloud_iot_common.h"
/**
* @brief Cos download params.
*
*/
typedef struct {
const char *url; /**< cos url, user space */
uint32_t offset; /**< download offset */
uint32_t file_size; /**< download file size */
int is_fragmentation; /**< http fragmentation support */
int is_https_enabled; /**< TODO:https support */
} IotCosDownloadParams;
/**
* @brief Init cos download handle.
*
* @param[in] params @see IotCosDownloadParams
* @return pointer to cos download handle
*/
void *IOT_COS_DownloadInit(IotCosDownloadParams *params);
/**
* @brief Fetch data from cos.
*
* @param[in,out] handle pointer to cos download handle, @see HTTPCosDownloadHandle
* @param[out] buf buffer to store data
* @param[in] buf_len buffer length
* @param timeout_ms timeout for fetching
* @return >= 0 for recv data len. others @see IotReturnCode
*/
int IOT_COS_DownloadFetch(void *handle, uint8_t *buf, uint32_t buf_len, uint32_t timeout_ms);
/**
* @brief Is download finished.
*
* @param[in,out] handle pointer to cos download handle, @see HTTPCosDownloadHandle
* @return true for finished
*/
int IOT_COS_DownloadIsFinished(void *handle);
/**
* @brief Deinit cos download.
*
* @param[in,out] handle pointer to cos download handle, @see HTTPCosDownloadHandle
*/
void IOT_COS_DownloadDeinit(void *handle);
#ifdef __cplusplus
}
#endif
#endif // IOT_HUB_DEVICE_C_SDK_INCLUDE_SERVICES_COMMON_QCLOUD_IOT_COS_H_