dccp.c

   1 /*
   2  * Copyright (C) 2006-2007 Andre Noll <maan@systemlinux.org>
   3  *
   4  * Licensed under the GPL v2. For licencing details see COPYING.
   5  */
   6
   7 /** \file dccp.c common functions of the dccp sender/receiver */
   8
   9 /*
  10  * based on common.c of dccp-cs-0.01.tar.bz2,
  11  * (C) 2005 Ian McDonald <imcdnzl@gmail.com>
  12  */
  13
  14 #include <sys/types.h>
  15 #include <dirent.h>
  16
  17 #include "para.h"
  18 #include "error.h"
  19 #include "dccp.h"
  20 #include "fd.h"
  21
  22 /** \cond some magic dccp constants */
  23 #define SOCK_DCCP 6
  24 #define IPPROTO_DCCP 33
  25 /** \endcond */
  26
  27 /**
  28  * obtain a dccp socket for sending/receiving
  29  *
  30  * \return the file descriptor of the new socket or \p -E_DCCP_SOCKET
  31  * on errors.
  32  */
  33 int dccp_get_socket(void)
  34 {
  35         int s = socket(AF_INET, SOCK_DCCP, IPPROTO_DCCP);
  36
  37         if (s < 0)
  38                 return -E_DCCP_SOCKET;
  39         return s;
  40 }
  41
  42 /**
  43  * prepare a dccp socket
  44  *
  45  * \param fd the file descriptor of the socket
  46  *
  47  * \returns positive on success, negative on errors.
  48  */
  49 int dccp_set_socket(__a_unused int fd)
  50 {
  51         return 1;       /* nothing to do at the moment */
  52 }