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/******************************************************************************
* Warmux is a convivial mass murder game.
* Copyright (C) 2001-2011 Warmux Team.
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
******************************************************************************/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdio.h>
#include <unistd.h>
#include <WSERVER_debug.h>
#include "server.h"
#include "client.h"
Server::Server(int port)
{
DPRINT(INFO, "Starting server... listening on port %i",port);
// Init the listening socket
fd = socket(AF_INET, SOCK_STREAM, 0);
address.sin_family = AF_INET;
address.sin_addr.s_addr = htonl(INADDR_ANY);
address.sin_port = htons(port);
int on = 1;
if ( setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on)) < 0 ) {
PRINT_FATAL_ERROR;
}
if ( bind(fd, (struct sockaddr*) &address, sizeof(address)) == -1 ) {
PRINT_FATAL_ERROR;
}
// 128 is the size of the connection queue
// -> TODO : use a sysctl to get the max size accepted by the kernel
// ( see 'man listen' )
if (listen(fd, 128) == -1) {
PRINT_FATAL_ERROR;
}
// Init the socket set:
FD_ZERO(&sock_set);
FD_SET(fd, &sock_set);
}
Server::~Server()
{
close(fd);
}
int & Server::GetFD()
{
return fd;
}
fd_set & Server::GetSockSet()
{
return sock_set;
}
Client* Server::NewConnection()
{
int client_fd;
struct sockaddr_in client_address;
socklen_t addr_size = sizeof(client_address);
client_fd = accept(fd, (struct sockaddr*)&client_address, &addr_size);
if( client_fd == -1 )
{
PRINT_ERROR;
DPRINT(INFO, "Client rejected..");
return NULL;
}
FD_SET(client_fd, &sock_set);
unsigned int ip = client_address.sin_addr.s_addr;
Client* client = new Client(client_fd, ip);
DPRINT(CONN, "New connection opened by %i.%i.%i.%i (%i)",
ip&0xFF, (ip>>8)&0xFF, (ip>>16)&0xFF, ip>>24, ip);
return client;
}
void Server::CloseConnection(int client_fd)
{
close(client_fd);
FD_CLR(client_fd, &sock_set);
DPRINT(CONN, "Connection closed.");
}
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