X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=dccp.c;h=147e46307676b60025561e4f81167a3a72b22b90;hp=5e769be2b3c93df259257c956d632c21c224dc48;hb=e2213f2468eb1c6f8ca033c6529ee1b5ceadab7f;hpb=c9f109a9e7f2d6116b7906a852afc339c858c275

diff --git a/dccp.c b/dccp.c
index 5e769be2..147e4630 100644
--- a/dccp.c
+++ b/dccp.c
@@ -1,7 +1,46 @@
+/*
+ * 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"
 
+/** \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);
@@ -11,6 +50,13 @@ int dccp_get_socket(void)
 	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;