CurlMultiHandleWrapper.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_CURLMULTIHANDLEWRAPPER_H_
#define ALEXA_CLIENT_SDK_AVSCOMMON_UTILS_INCLUDE_AVSCOMMON_UTILS_LIBCURLUTILS_CURLMULTIHANDLEWRAPPER_H_

#include <chrono>
#include <curl/curl.h>
#include <memory>
#include <unordered_set>

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

class CurlMultiHandleWrapper {
public:
    static std::unique_ptr<CurlMultiHandleWrapper> create();

    ~CurlMultiHandleWrapper();

    CURLM* getCurlHandle();

    CURLMcode addHandle(CURL* handle);

    CURLMcode removeHandle(CURL* handle);

    CURLMcode perform(int* runningHandles);

    CURLMcode poll(std::chrono::milliseconds timeout, int* countHandlesUpdated);

    bool wakeup();

    CURLMsg* infoRead(int* messagesInQueue);

private:
    CurlMultiHandleWrapper(CURLM* handle);

    CURLM* m_handle;

    std::unordered_set<CURL*> m_streamHandles;
};

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

#endif  // ALEXA_CLIENT_SDK_AVSCOMMON_UTILS_INCLUDE_AVSCOMMON_UTILS_LIBCURLUTILS_CURLMULTIHANDLEWRAPPER_H_