/*
- * Copyright (C) 2006 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2006-2007 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.
+ * Licensed under the GPL v2. For licencing details see COPYING.
*/
+/** \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 <sys/types.h>
+#include <dirent.h>
+
#include "para.h"
#include "error.h"
#include "dccp.h"
+#include "fd.h"
+
+/** \cond some magic dccp constants */
+#define SOCK_DCCP 6
+#define IPPROTO_DCCP 33
+/** \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;
}
-int dccp_set_socket(int fd)
+/**
+ * prepare a dccp socket
+ *
+ * \param fd the file descriptor of the socket
+ *
+ * \returns positive on success, negative on errors.
+ */
+int dccp_set_socket(__a_unused int fd)
{
- int pkt_size = 256, ret;
-
- /* hack to get a service code */
- ret = setsockopt(fd, SOL_DCCP, DCCP_SOCKOPT_PACKET_SIZE,
- (char*)&pkt_size, sizeof(pkt_size));
- if (ret < 0)
- return -E_DCCP_PACKET_SIZE;
- ret = setsockopt(fd, SOL_DCCP, DCCP_SOCKOPT_SERVICE,
- (char*)&pkt_size, sizeof(pkt_size));
- if (ret < 0)
- return -E_DCCP_SERVICE;
- return 1;
+ return 1; /* nothing to do at the moment */
}