StdLib/BsdSocketLib/setsockopt.c

   1 /** @file
   2   Implement the setsockopt API.
   3
   4   Copyright (c) 2011, Intel Corporation
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #include <SocketInternals.h>
  16
  17
  18 /**
  19   Set the socket options
  20
  21   The
  22   <a href="http://pubs.opengroup.org/onlinepubs/9699919799/functions/setsockopt.html">POSIX</a>
  23   documentation is available online.
  24
  25   @param [in] s               Socket file descriptor returned from ::socket.
  26   @param [in] level           Option protocol level
  27   @param [in] option_name     Name of the option
  28   @param [in] option_value    Buffer containing the option value
  29   @param [in] option_len      Length of the value in bytes
  30
  31   @return   This routine returns zero (0) upon success and -1 when an error occurs.
  32             In the case of an error, ::errno contains more details.
  33
  34 **/
  35 int
  36 setsockopt (
  37   IN int s,
  38   IN int level,
  39   IN int option_name,
  40   IN CONST void * option_value,
  41   IN socklen_t option_len
  42   )
  43 {
  44   int OptionStatus;
  45   EFI_SOCKET_PROTOCOL * pSocketProtocol;
  46   EFI_STATUS Status;
  47
  48   //
  49   //  Locate the context for this socket
  50   //
  51   pSocketProtocol = BslFdToSocketProtocol ( s, NULL, &errno );
  52   if ( NULL != pSocketProtocol ) {
  53     //
  54     //  Set the socket option
  55     //
  56     Status = pSocketProtocol->pfnOptionSet ( pSocketProtocol,
  57                                              level,
  58                                              option_name,
  59                                              option_value,
  60                                              option_len,
  61                                              &errno );
  62   }
  63
  64   //
  65   //  Return the operation stauts
  66   //
  67   OptionStatus = ( 0 == errno ) ? 0 : -1;
  68   return OptionStatus;
  69 }