/**
 * Copyright 2016 Yahoo Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * 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 LIB_UNACKEDMESSAGETRACKERENABLED_H_
#define LIB_UNACKEDMESSAGETRACKERENABLED_H_
#include "lib/UnAckedMessageTrackerInterface.h"
namespace pulsar {

class UnAckedMessageTrackerEnabled : public UnAckedMessageTrackerInterface {
 public:
    ~UnAckedMessageTrackerEnabled();
    UnAckedMessageTrackerEnabled(long timeoutMs, const ClientImplPtr, ConsumerImplBase&);
    bool add(const MessageId& m);
    bool remove(const MessageId& m);
    void removeMessagesTill(const MessageId& msgId);
    void timeoutHandler();
 private:
    void timeoutHandler(const boost::system::error_code& ec);
    void timeoutHandlerHelper();
    bool isEmpty();
    long size();
    std::set<MessageId> currentSet_;
    std::set<MessageId> oldSet_;
    boost::mutex lock_;
    DeadlineTimerPtr timer_;
    ConsumerImplBase& consumerReference_;
    ClientImplPtr client_;
    long timeoutMs_;
};
}

#endif /* LIB_UNACKEDMESSAGETRACKERENABLED_H_ */