Node.h

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/*
 * Node.h
 *
 * Copyright (C) 2011 IBR, TU Braunschweig
 *
 * Written-by: Johannes Morgenroth <morgenroth@ibr.cs.tu-bs.de>
 *
 * 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 IBRDTN_DAEMON_NODE_H_
#define IBRDTN_DAEMON_NODE_H_

#include <string>
#include <ibrdtn/data/EID.h>
#include <set>
#include <list>
#include <iostream>

namespace dtn
{
        namespace net
        {
                class ConvergenceLayer;
        }

        namespace core
        {
                class Node
                {
                public:
                        enum Protocol
                        {
                                CONN_UNSUPPORTED = -1,
                                CONN_UNDEFINED = 0,
                                CONN_TCPIP = 1,
                                CONN_UDPIP = 2,
                                CONN_LOWPAN = 3,
                                CONN_BLUETOOTH = 4,
                                CONN_HTTP = 5,
                                CONN_FILE = 6,
                                CONN_DGRAM_UDP = 7,
                                CONN_DGRAM_LOWPAN = 8,
                                CONN_DGRAM_ETHERNET = 9,
                                CONN_P2P_WIFI = 10,
                                CONN_P2P_BT = 11,
                                CONN_EMAIL = 12
                        };

                        enum Type
                        {
                                NODE_UNAVAILABLE = 0,
                                NODE_CONNECTED = 1,
                                NODE_DISCOVERED = 2,
                                NODE_STATIC_GLOBAL = 3,
                                NODE_STATIC_LOCAL = 4,
                                NODE_DHT_DISCOVERED = 5,
                                NODE_P2P_DIALUP = 6
                        };

                        class URI
                        {
                        public:
                                URI(const Type t, const Protocol proto, const std::string &uri, const dtn::data::Number &timeout = 0, const int priority = 0);
                                ~URI();

                                Type type;
                                Protocol protocol;
                                std::string value;
                                dtn::data::Timestamp expire;
                                int priority;

                                void decode(std::string &address, unsigned int &port) const;

                                bool operator<(const URI &other) const;
                                bool operator==(const URI &other) const;

                                bool operator==(const Node::Protocol &p) const;
                                bool operator==(const Node::Type &t) const;

                                friend std::ostream& operator<<(std::ostream&, const Node::URI&);
                        };

                        class Attribute
                        {
                        public:
                                Attribute(const Type t, const std::string &name, const std::string &value, const dtn::data::Number &timeout = 0, const int priority = 0);
                                ~Attribute();

                                Type type;
                                std::string name;
                                std::string value;
                                dtn::data::Timestamp expire;
                                int priority;

                                bool operator<(const Attribute &other) const;
                                bool operator==(const Attribute &other) const;

                                bool operator==(const std::string &name) const;

                                friend std::ostream& operator<<(std::ostream&, const Node::Attribute&);
                        };

                        static std::string toString(const Node::Type type);
                        static std::string toString(const Node::Protocol proto);
                        static Node::Protocol fromProtocolString(const std::string &protocol);

                        Node(const dtn::data::EID &id);
                        Node();

                        virtual ~Node();

                        bool has(Node::Protocol proto) const;
                        bool has(const std::string &name) const;

                        void add(const URI &u);
                        void add(const Attribute &attr);

                        void remove(const URI &u);
                        void remove(const Attribute &attr);

                        void clear();

                        dtn::data::Size size() const throw ();

                        std::list<URI> get(Node::Protocol proto) const;
                        std::list<URI> get(Node::Type type) const;
                        std::list<URI> get(Node::Type type, Node::Protocol proto) const;

                        std::list<Node::URI> getAll() const;

                        std::set<Node::Type> getTypes() const;

                        std::list<Attribute> get(const std::string &name) const;

                        const dtn::data::EID& getEID() const throw ();

                        bool expire();

                        bool operator==(const Node &other) const;
                        bool operator<(const Node &other) const;

                        bool operator==(const dtn::data::EID &other) const;

                        const Node& operator+=(const Node &other);
                        const Node& operator-=(const Node &other);

                        std::string toString() const;

                        bool doConnectImmediately() const;
                        void setConnectImmediately(bool val);

                        bool isAvailable() const throw ();

                        bool isAnnounced() const throw ();

                        void setAnnounced(bool val) throw ();

                        friend std::ostream& operator<<(std::ostream&, const Node&);

                private:
                        bool isAvailable(const Node::URI &uri) const throw ();

                        bool _connect_immediately;
                        dtn::data::EID _id;

                        std::set<URI> _uri_list;
                        std::set<Attribute> _attr_list;

                        bool _announced_mark;
                };
        }
}

#endif /*IBRDTN_DAEMON_NODE_H_*/