//  Copyright © 2016 Jean-Luc Deltombe (LX3JL). All rights reserved.

// urfd -- The universal reflector
// Copyright © 2021 Thomas A. Early N7TAE
//
// 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 <https://www.gnu.org/licenses/>.

#pragma once

#include "Peer.h"

class CPeers
{
public:
	// constructors
	CPeers();

	// destructors
	virtual ~CPeers();

	// locks
	void Lock(void)   { m_Mutex.lock(); }
	void Unlock(void) { m_Mutex.unlock(); }

	// manage peers
	int  GetSize(void) const { return (int)m_Peers.size(); }
	void AddPeer(std::shared_ptr<CPeer>);
	void RemovePeer(std::shared_ptr<CPeer>);

	// pass-through
	std::list<std::shared_ptr<CPeer>>::iterator begin()              { return m_Peers.begin(); }
	std::list<std::shared_ptr<CPeer>>::iterator end()                { return m_Peers.end(); }
	std::list<std::shared_ptr<CPeer>>::const_iterator cbegin() const { return m_Peers.cbegin(); }
	std::list<std::shared_ptr<CPeer>>::const_iterator cend() const   { return m_Peers.cend(); }

	// find peers
	std::shared_ptr<CPeer> FindPeer(const CIp &, const EProtocol);
	std::shared_ptr<CPeer> FindPeer(const CCallsign &, const CIp &, const EProtocol);
	std::shared_ptr<CPeer> FindPeer(const CCallsign &, const EProtocol);

	// iterate on peers
	std::shared_ptr<CPeer> FindNextPeer(const EProtocol, std::list<std::shared_ptr<CPeer>>::iterator &);

protected:
	// data
	std::mutex         m_Mutex;
	std::list<std::shared_ptr<CPeer>> m_Peers;
};