X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp.c;h=23d443c6e91fd6e827a3412f16c8d545463ee492;hp=60667a4efe3b004f9bb0b586460f27904c822d60;hb=5b30367a7e47fe5b9014599586e819305d76c9b0;hpb=f9149914884d8348ae0dca36aa47478da921ac8b

diff --git a/dccp.c b/dccp.c
index 60667a4e..23d443c6 100644
--- a/dccp.c
+++ b/dccp.c
@@ -1,5 +1,5 @@
 /*
- * 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
@@ -16,10 +16,29 @@
  *     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 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);
@@ -29,18 +48,14 @@ 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 */
 }