/*
    PIP - Platform Independent Primitives
    Peer - named I/O ethernet node
    Copyright (C) 2013  Ivan Pelipenko peri4ko@gmail.com

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program 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 General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#ifndef PIPEER_H
#define PIPEER_H

#include "piethernet.h"

class PIPeer: public PIEthernet
{
	struct PeerInfo;
	friend PIByteArray & operator <<(PIByteArray & s, const PIPeer::PeerInfo & v);
	friend PIByteArray & operator >>(PIByteArray & s, PIPeer::PeerInfo & v);
public:
	PIPeer(const PIString & name);
	~PIPeer();

	//const PIString & id() const {return id_;}

protected:
	bool threadedRead(uchar * readed, int size);

private:
	EVENT_HANDLER2(PIPeer, void, timerEvent, void * , data, int, delim);
	static bool func_readed(void * peer, uchar * data, int size);

	struct PeerInfo {
		PIString name;
		PIString nearest_address;
		PIStringList addresses;
		int dist;
		int sync;
		int _wave;
	};


	bool hasPeer(const PIString & name) {piForeachC (PeerInfo & i, peers) if (i.name == name) return true; return false;}
	bool removePeer(const PIString & name) {for (uint i = 0; i < peers.size(); ++i) if (peers[i].name == name) {peers.remove(i); return true;} return false;}

	void sendPeerInfo(const PeerInfo & info);
	void sendPeerRemove(const PIString & peer);
	void sendSelfInfo() {sendPeerInfo(self_info);}
	void sendSelfRemove() {sendPeerRemove(name_);}
	void syncPeers();
	void findNearestAddresses();

	struct PeerPacket {
		int header; // 1 - new peer, 2 - remove peer, 3 - sync peers

	};

	PIList<PIEthernet * > eths;
	PIEthernet * eth_send;
	PITimer timer;

	PeerInfo self_info;
	PIVector<PeerInfo> peers;
	//PIString id_;

};

inline PIByteArray & operator <<(PIByteArray & s, const PIPeer::PeerInfo & v) {s << v.name << v.addresses << v.dist; return s;}
inline PIByteArray & operator >>(PIByteArray & s, PIPeer::PeerInfo & v) {s >> v.name >> v.addresses >> v.dist; return s;}

#endif // PIPEER_H