+/*
+ * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
+ *
+ * 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, USA.
+ */
+
+/** \file dccp.c common functions of the dccp sender/receiver */
+
+/*
+ * based on common.c of dccp-cs-0.01.tar.bz2,
+ * (C) 2005 Ian McDonald <imcdnzl@gmail.com>
+ */
+
#include "para.h"
#include "error.h"
#include "dccp.h"
+#include "fd.h"
+
+/** \cond some magic dccp constants */
+#define SOL_DCCP 269
+#define SOCK_DCCP 6
+#define IPPROTO_DCCP 33
+#define DCCP_SOCKOPT_PACKET_SIZE 1
+#define DCCP_SOCKOPT_SERVICE 2
+/** \endcond */
+/**
+ * obtain a dccp socket for sending/receiving
+ *
+ * \return the file descriptor of the new socket or \p -E_DCCP_SOCKET
+ * on errors.
+ */
int dccp_get_socket(void)
{
int s = socket(AF_INET, SOCK_DCCP, IPPROTO_DCCP);
return s;
}
+/**
+ * prepare a dccp socket
+ *
+ * \param fd the file descriptor of the socket
+ *
+ * \returns positive on success, negative on errors.
+ */
int dccp_set_socket(int fd)
{
int pkt_size = 256, ret;