b5cf7fd9abd106a5c942c96f0cab9e53445d12de
[paraslash.git] / dccp.c
1 /*
2 * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
17 */
18
19 /*
20 * based on common.c of dccp-cs-0.01.tar.bz2,
21 * (C) 2005 Ian McDonald <imcdnzl@gmail.com>
22 */
23
24 #include "para.h"
25 #include "error.h"
26 #include "dccp.h"
27
28 int dccp_get_socket(void)
29 {
30 int s = socket(AF_INET, SOCK_DCCP, IPPROTO_DCCP);
31
32 if (s < 0)
33 return -E_DCCP_SOCKET;
34 return s;
35 }
36
37 int dccp_set_socket(int fd)
38 {
39 int pkt_size = 256, ret;
40
41 /* hack to get a service code */
42 ret = setsockopt(fd, SOL_DCCP, DCCP_SOCKOPT_PACKET_SIZE,
43 (char*)&pkt_size, sizeof(pkt_size));
44 if (ret < 0)
45 return -E_DCCP_PACKET_SIZE;
46 ret = setsockopt(fd, SOL_DCCP, DCCP_SOCKOPT_SERVICE,
47 (char*)&pkt_size, sizeof(pkt_size));
48 if (ret < 0)
49 return -E_DCCP_SERVICE;
50 return 1;
51 }