LibcurlHTTP2Request.h

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/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License").
 * You may not use this file except in compliance with the License.
 * A copy of the License is located at
 *
 *     http://aws.amazon.com/apache2.0/
 *
 * or in the "license" file accompanying this file. This file 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 ALEXA_CLIENT_SDK_AVSCOMMON_UTILS_INCLUDE_AVSCOMMON_UTILS_LIBCURLUTILS_LIBCURLHTTP2REQUEST_H_
#define ALEXA_CLIENT_SDK_AVSCOMMON_UTILS_INCLUDE_AVSCOMMON_UTILS_LIBCURLUTILS_LIBCURLHTTP2REQUEST_H_

#include <atomic>
#include <chrono>
#include <memory>

#include <AVSCommon/Utils/HTTP2/HTTP2RequestConfig.h>
#include <AVSCommon/Utils/HTTP2/HTTP2RequestInterface.h>

#include "CurlEasyHandleWrapper.h"
#include "LibcurlSetCurlOptionsCallbackInterface.h"

namespace alexaClientSDK {
namespace avsCommon {
namespace utils {
namespace libcurlUtils {

class LibcurlHTTP2Request : public alexaClientSDK::avsCommon::utils::http2::HTTP2RequestInterface {
public:
    LibcurlHTTP2Request(
        const alexaClientSDK::avsCommon::utils::http2::HTTP2RequestConfig& config,
        const std::shared_ptr<LibcurlSetCurlOptionsCallbackInterface>& setCurlOptionsCallback,
        std::string id = "");

    bool cancel() override;
    std::string getId() const override;

    CURL* getCurlHandle();

    void reportCompletion(http2::HTTP2ResponseFinishedStatus status);

    void reportResponseCode();

    bool hasProgressTimedOut() const;

    bool isIntermittentTransferExpected() const;

    inline void setTimeOfLastTransfer();

    void unPause();

    bool isPaused() const;

    bool isCancelled() const;

private:
    static size_t writeCallback(char* data, size_t size, size_t nmemb, void* userData);

    static size_t headerCallback(char* data, size_t size, size_t nmemb, void* userData);

    static size_t readCallback(char* data, size_t size, size_t nmemb, void* userData);

    long getResponseCode();

    std::shared_ptr<http2::HTTP2RequestSourceInterface> m_source;

    std::shared_ptr<http2::HTTP2ResponseSinkInterface> m_sink;

    bool m_responseCodeReported;

    std::chrono::milliseconds m_activityTimeout;

    std::chrono::steady_clock::time_point m_timeOfLastTransfer;

    CurlEasyHandleWrapper m_stream;

    bool m_isIntermittentTransferExpected;

    bool m_isPaused;

    std::atomic_bool m_isCancelled;

    std::chrono::milliseconds m_connectTimeout;
};

void LibcurlHTTP2Request::setTimeOfLastTransfer() {
    m_timeOfLastTransfer = std::chrono::steady_clock::now();
}

}  // namespace libcurlUtils
}  // namespace utils
}  // namespace avsCommon
}  // namespace alexaClientSDK

#endif  // ALEXA_CLIENT_SDK_AVSCOMMON_UTILS_INCLUDE_AVSCOMMON_UTILS_LIBCURLUTILS_LIBCURLHTTP2REQUEST_H_