daemon/src/net/UDPDatagramService.h

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/*
 * UDPDatagramService.h
 *
 *  Created on: 22.11.2011
 *      Author: morgenro
 */

#ifndef UDPDATAGRAMSERVICE_H_
#define UDPDATAGRAMSERVICE_H_

#include "net/DatagramConvergenceLayer.h"
#include "net/DatagramConnectionParameter.h"
#include <ibrcommon/net/udpsocket.h>
#include <ibrcommon/net/vinterface.h>

namespace dtn
{
        namespace net
        {
                class UDPDatagramService : public dtn::net::DatagramService, protected ibrcommon::udpsocket
                {
                public:
                        UDPDatagramService(const ibrcommon::vinterface &iface, int port, size_t mtu = 1280);
                        virtual ~UDPDatagramService();

                        virtual void bind() throw (DatagramException);

                        virtual void shutdown();

                        virtual void send(const char &type, const char &flags, const unsigned int &seqno, const std::string &address, const char *buf, size_t length) throw (DatagramException);

                        virtual void send(const char &type, const char &flags, const unsigned int &seqno, const char *buf, size_t length) throw (DatagramException);

                        virtual size_t recvfrom(char *buf, size_t length, char &type, char &flags, unsigned int &seqno, std::string &address) throw (DatagramException);

                        virtual const std::string getServiceTag() const;

                        virtual const std::string getServiceDescription() const;

                        virtual const ibrcommon::vinterface& getInterface() const;

                        virtual dtn::core::Node::Protocol getProtocol() const;

                        virtual const DatagramConnectionParameter& getParameter() const;

                private:
                        static const std::string encode(const ibrcommon::vaddress &address, const unsigned int &port);
                        static void decode(const std::string &identifier, std::string &address, unsigned int &port);


                        const static int BROADCAST_PORT = 5551;
                        const ibrcommon::vinterface _iface;
                        const int _bind_port;

                        DatagramConnectionParameter _params;
                };

        } /* namespace net */
} /* namespace dtn */
#endif /* UDPDATAGRAMSERVICE_H_ */