1/* 2 * Copyright (C) NEC Europe Ltd., 2003 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of the project nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#ifndef __RELAY6_SOCKET_H_DEFINED 31#define __RELAY6_SOCKET_H_DEFINED 32 33#include <sys/types.h> 34#include <sys/socket.h> 35#include <netinet/in.h> 36 37#include "dhcp6r.h" 38 39fd_set readfd; 40int fdmax; 41 42struct receive { 43 struct msghdr msg; 44 struct iovec iov[1]; 45 struct cmsghdr *cmsgp; 46 struct sockaddr_in6 sin6; /* my address information */ 47 struct sockaddr_in6 from; 48 int recvmsglen; 49 char *recvp; 50 char src_addr[INET6_ADDRSTRLEN]; 51 int pkt_interface; 52 int buflength; 53 int dst_addr_type ; 54 char *databuf; 55 int recv_sock_desc; 56}; 57 58struct send { 59 int send_sock_desc; 60}; 61 62struct send *sendsock; 63struct receive *recvsock; 64 65int send_message __P((void)); 66int fill_addr_struct __P((void)); 67int set_sock_opt __P((void)); 68int recv_data __P((void)); 69int check_select __P((void)); 70int get_recv_data __P((void)); 71int get_interface_info __P((void)); 72void init_socket __P((void)); 73 74#endif /* __RELAY6_SOCKET_H_DEFINED */ 75