ConnectionStatusObserver.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_INTEGRATION_INCLUDE_INTEGRATION_CONNECTIONSTATUSOBSERVER_H_
#define ALEXA_CLIENT_SDK_INTEGRATION_INCLUDE_INTEGRATION_CONNECTIONSTATUSOBSERVER_H_
 
#include <chrono>
#include <condition_variable>
#include <deque>
#include <mutex>
#include <AVSCommon/SDKInterfaces/ConnectionStatusObserverInterface.h>
 
namespace alexaClientSDK {
namespace integration {
 
class ConnectionStatusObserver : public avsCommon::sdkInterfaces::ConnectionStatusObserverInterface {
public:
    ConnectionStatusObserver();
 
    void onConnectionStatusChanged(
        const avsCommon::sdkInterfaces::ConnectionStatusObserverInterface::Status connectionStatus,
        const avsCommon::sdkInterfaces::ConnectionStatusObserverInterface::ChangedReason reason) override;
    avsCommon::sdkInterfaces::ConnectionStatusObserverInterface::Status getConnectionStatus() const;
 
    bool waitFor(
        const avsCommon::sdkInterfaces::ConnectionStatusObserverInterface::Status connectionStatus,
        const std::chrono::seconds duration = std::chrono::seconds(15));
 
    bool checkForServerSideDisconnect();
 
private:
    mutable std::mutex m_mutex;
    std::condition_variable m_wakeTrigger;
    std::deque<std::pair<ConnectionStatusObserverInterface::Status, ConnectionStatusObserverInterface::ChangedReason>>
        m_statusChanges;
};
 
}  // namespace integration
}  // namespace alexaClientSDK
 
#endif  // ALEXA_CLIENT_SDK_INTEGRATION_INCLUDE_INTEGRATION_CONNECTIONSTATUSOBSERVER_H_