/**
 * \file
 * Server class. Handles acceptance and closing of connection and uses
 * a class that has to implement the stream reader and writer interface
 * to handle incoming reads and outgoing writes.
 *
 * \author	Georg Hopp
 *
 * \copyright
 * Copyright (C) 2012  Georg Hopp
 *
 * 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 __SERVER_H__
#define __SERVER_H__

#include <stdio.h>      /* for printf() and fprintf() */
#include <poll.h> /* for select system call and related */

#include "class.h"
#include "socket.h"
#include "logger.h"


#define POLL_FD_NSIZE		1024
#define POLL_FD_SIZE		(sizeof(struct pollfd) * POLL_FD_NSIZE)

#define MOVE_SIZE(size,idx)	((size) * (POLL_FD_NSIZE-((idx)+1)))
#define CLEAR_CONN(server,idx)	\
	memmove(&(((server)->fds)[(idx)]), \
			&(((server)->fds)[(idx)+1]), \
			MOVE_SIZE(sizeof(((server)->fds)[0]),(idx))); \
	memmove(&(((server)->conns)[(idx)]), \
			&(((server)->conns)[(idx)+1]), \
			MOVE_SIZE(sizeof(((server)->conns)[0]),(idx)))


CLASS(Server) {
	Logger        logger;
	Sock          sock;

	void *        worker;

	nfds_t        nfds;
	struct pollfd fds[POLL_FD_NSIZE];

	struct {
		Sock         sock;
		void *       worker;
	} conns[POLL_FD_NSIZE];
};

void serverRun(Server this);
void serverCloseConn(Server this, unsigned int handle);

#endif // __SERVER_H__

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