+/*
+ * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
+ *
+ * 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 "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 */
}