lwes_net_functions.h

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/*======================================================================*
 * Copyright (C) 2008 Light Weight Event System                         *
 * All rights reserved.                                                 *
 *                                                                      *
 * 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., 51 Franklin Street, Fifth Floor,                   *
 * Boston, MA 02110-1301 USA.                                           *
 *======================================================================*/
#ifndef __LWES_NET_FUNCTIONS_H
#define __LWES_NET_FUNCTIONS_H

#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>

#include "lwes_types.h"

#ifdef __cplusplus
extern "C" {
#endif 

struct lwes_net_connection 
{
  int socketfd;

  struct sockaddr_in mcast_addr;

  struct ip_mreq     mreq;

  struct sockaddr_in sender_ip_addr;

  socklen_t sender_ip_socket_size;

  int hasJoined;
};

int
lwes_net_open
  (struct lwes_net_connection *conn,
   const char *address, 
   const char *iface,
   int port);

int
lwes_net_close
  (struct lwes_net_connection *conn);

int
lwes_net_get_ttl
  (struct lwes_net_connection *conn);

int
lwes_net_set_ttl
  (struct lwes_net_connection *conn, int new_ttl);

int
lwes_net_get_sock_fd
  (struct lwes_net_connection *conn);

int
lwes_net_send_bytes
  (struct lwes_net_connection *conn,
   LWES_BYTE_P bytes,
   size_t len);

int
lwes_net_sendto_bytes
  (struct lwes_net_connection *conn,
   char *address,
   char *iface,
   int port,
   LWES_BYTE_P bytes,
   size_t len);

int
lwes_net_recv_bind
  (struct lwes_net_connection *conn);

int
lwes_net_recv_bytes
  (struct lwes_net_connection *conn, 
   LWES_BYTE_P bytes,
   size_t len);

int
lwes_net_recv_bytes_by
  (struct lwes_net_connection *conn, 
   LWES_BYTE_P bytes,
   size_t len,
   unsigned int timeout_ms);

#ifdef __cplusplus
}
#endif 

#endif /* __NET_FUNCTIONS_H */

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