X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp.c;h=62de4f7d6492fee1c616825b554c5276a93f2e0f;hp=b5cf7fd9abd106a5c942c96f0cab9e53445d12de;hb=61b0a431ca3c5dabfa5445355664f00e312c5299;hpb=abbddde3ee707103d5d8b088c8fa6fc53f09ebff

diff --git a/dccp.c b/dccp.c
index b5cf7fd9..62de4f7d 100644
--- a/dccp.c
+++ b/dccp.c
@@ -1,21 +1,11 @@
 /*
- * 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>
@@ -24,7 +14,19 @@
 #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);
@@ -34,18 +36,14 @@ int dccp_get_socket(void)
 	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 */
 }