OmNetKeyProvider.h

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/*
 Copyright (2016) Michael Baer, Daniel Bonrath, 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.
 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 __M2ETIS_SIM_OMNETKEYPROVIDER_H__
#define __M2ETIS_SIM_OMNETKEYPROVIDER_H__

#include "m2etis/message/key/Key.h"

#include "boost/serialization/array.hpp"

namespace m2etis {
namespace sim {

        class OmNetKeyProvider {
        private:
                unsigned char ip[4];
                unsigned short port;

        public:
                virtual ~OmNetKeyProvider() {}

        protected:
                OmNetKeyProvider() : port() {
                        for (int i = 0; i < 4; ++i) {
                                ip[i] = 0;
                        }
                }

                std::string keytoStr() const {
                        std::ostringstream ret;

                        ret << int(ip[0]) << "." << int(ip[1]) << "." << int(ip[2]) << "." << int(ip[3])<< ":" << port;

                        return ret.str();
                }

                void setKey(const message::Key<OmNetKeyProvider> & key) {
                        ip[0] = key.ip[0];
                        ip[1] = key.ip[1];
                        ip[2] = key.ip[2];
                        ip[3] = key.ip[3];

                        port = key.port;
                }

                void setKey(const std::string & key) {
                        size_t ipend = key.find(":", 0);

                        std::string locip(key.substr(0, ipend));
                        size_t pos = 0;
                        for (unsigned int i = 0; i < 4; ++i) {
                                size_t bytend = key.find(".", pos);
                                std::stringstream ss(key.substr(pos, bytend));
                                int t;
                                ss >> t;
                                ip[i] = t;
                                pos = bytend + 1;
                        }

                        port = std::atoi(key.substr(ipend + 1, key.find(":", ipend + 1) - ipend).c_str());
                }

                bool equals(const message::Key<OmNetKeyProvider> & rval) const {
                        for (unsigned int i = 0; i < 4; ++i) {
                                if (ip[i] != rval.ip[i]) {
                                        return false;
                                }
                        }
                        if (port != rval.port) {
                                return false;
                        }

                        return true;
                }

                bool smaller(const message::Key<OmNetKeyProvider> & rval) const {
                        for (unsigned int i = 0; i < 4; ++i) {
                                if (ip[i] != rval.ip[i]) {
                                        if (ip[i] < rval.ip[i]) {
                                                return true;
                                        } else {
                                                return false;
                                        }
                                }
                        }
                        if (port != rval.port) {
                                if (port < rval.port) {
                                        return true;
                                } else {
                                        return false;
                                }
                        }

                        return false;
                }

    private:
        friend class boost::serialization::access;
        template<class Archive>
                void serialize(Archive & ar, unsigned int version) {
                        ar & ip;
                        ar & port;
                }
        };

} /* namespace sim */
} /* namespace m2etis */

#endif /* __M2ETIS_SIM_OMNETKEYPROVIDER_H__ */