NetworkManager.h

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/*
 * i6engine
 * Copyright (2016) Daniel Bonrath, Michael Baer, All rights reserved.
 *
 * This file is part of i6engine; i6engine is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */

#ifndef __I6ENGINE_MODULES_NETWORKMANAGER_H__
#define __I6ENGINE_MODULES_NETWORKMANAGER_H__

#include <map>

#include "i6engine/utils/i6eThreadSafety.h"

#include "i6engine/core/messaging/IPKey.h"

#include "i6engine/api/GameMessage.h"

#include "i6engine/modules/network/NetworkErrors.h"

#include "boost/thread/mutex.hpp"

#include "m2etis/message/M2Message.h"
#include "m2etis/pubsub/DeliverCallbackInterface.h"

namespace m2etis {
namespace pubsub {
        enum ChannelName : uint16_t;
        class PubSubSystem;
} /* namespace pubsub */
} /* namespace m2etis */

namespace i6e {
namespace modules {

        class NetworkController;
        class NetworkMailbox;

        class NetworkManager : public m2etis::pubsub::BasicDeliverCallbackInterface<api::GameMessage> {
                friend class NetworkController;
                friend class NetworkErrors;
                friend class NetworkMailbox;

        private:
                NetworkMailbox * _mailbox;

                bool _sendPing;
                int32_t _counterSent;
                int32_t _counterReceived;

                NetworkErrors _ne;

                m2etis::pubsub::PubSubSystem * _pubsub;

                uint64_t _lastTickTime;

                volatile bool _connectionFailed;

                std::map<uint16_t, uint32_t> _usedChannels;

                boost::mutex _pubSubLock;

                explicit NetworkManager(NetworkMailbox * mailbox);

                ~NetworkManager();

                void subscribe(uint16_t channel); // TODO: (Daniel) add second subscribe method registering a filter predicate too

                void unsubscribe(uint16_t channel); // TODO: (Daniel) add second unsubscribe method registering a filter predicate too

                void publish(uint16_t channel, const api::GameMessage::Ptr & msg);

                bool connect(const core::IPKey & remote, const core::IPKey & local);

                void disconnect();

                void deliverCallback(const m2etis::message::M2Message<api::GameMessage>::Ptr msg) override;

                void connectionFailed() { _connectionFailed = true; }

                void publishInternal(m2etis::pubsub::ChannelName channel, const m2etis::message::M2Message<api::GameMessage>::Ptr & msg) const;

                void enablePing(bool enabled);

                void Tick();

                NetworkManager(const NetworkManager &) = delete;

                NetworkManager & operator=(const NetworkManager &) = delete;

                ASSERT_THREAD_SAFETY_HEADER
        };

} /* namespace modules */
} /* namespace i6e */

#endif /* __I6ENGINE_MODULES_NETWORKMANAGER_H__ */