/*
 * Tencent is pleased to support the open source community by making IoT Hub
 available.
 * Copyright (C) 2016 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.
 *
 */

#ifndef QCLOUD_IOT_LOG_UPLOAD_H_
#define QCLOUD_IOT_LOG_UPLOAD_H_

#ifdef __cplusplus
extern "C" {
#endif

#include "qcloud_iot_export_log.h"

/**
 * @brief init the log upload functions
 *
 * @param init_params
 * @return QCLOUD_RET_SUCCESS when success
 */
int init_log_uploader(LogUploadInitParams *init_params);

/**
 * @brief free log buffer and finish the log upload functions
 */
void fini_log_uploader(void);

/**
 * @brief check if log uploader is init or not
 */
bool is_log_uploader_init(void);

/**
 * @brief append one log item to upload buffer
 *
 * @param log_content
 * @param log_size
 * @return 0 when success, -1 when fail
 */
int append_to_upload_buffer(const char *log_content, size_t log_size);

/**
 * @brief clear current upload buffer
 *
 * @return
 */
void clear_upload_buffer(void);

/**
 * @brief do one upload to server
 *
 * @param force_upload if true, it will do upload right away, otherwise it will
 * check log_level, buffer left and upload interval
 * @return QCLOUD_RET_SUCCESS when success or no log to upload or timer is not
 * expired
 */
int do_log_upload(bool force_upload);

/**
 * @brief set the log mqtt client to get system time
 *
 * @param client
 */
void set_log_mqtt_client(void *client);

/**
 * @brief set if only do log upload when communication error with IoT Hub
 *
 * @param value if true, only do log upload when communication error with IoT
 * Hub
 */
void set_log_upload_in_comm_err(bool value);

/**
 * @brief get current upload log_level from IoT Hub
 *
 * @param log_level
 * @return QCLOUD_RET_SUCCESS when success
 */
int qcloud_get_log_level(int *log_level);

/**
 * @brief get the log mqtt client
 *
 * @return log mqtt client
 */
void *get_log_mqtt_client(void);

/**
 * @brief get the device info of log client
 *
 * @return device info pointer of log client
 */
void * get_log_dev_info(void);


#ifdef __cplusplus
}
#endif

#endif  // QCLOUD_IOT_LOG_UPLOAD_H_