mirror of https://github.com/acidanthera/audk.git
117 lines
3.0 KiB
C
117 lines
3.0 KiB
C
/** @file
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Receive a datagram
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Copyright (c) 2011, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include <errno.h>
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#include <string.h>
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#include <Uefi.h>
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#include <unistd.h>
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#include <Library/DebugLib.h>
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#include <Library/UefiLib.h>
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#include <netinet/in.h>
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#include <sys/socket.h>
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#include <sys/time.h>
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UINT8 mBuffer[ 65536 ];
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/**
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Receive a datagram
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@param [in] Argc The number of arguments
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@param [in] Argv The argument value array
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@retval 0 The application exited normally.
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@retval Other An error occurred.
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**/
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int
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main (
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IN int Argc,
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IN char **Argv
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)
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{
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struct sockaddr_in Address;
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socklen_t AddressLength;
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ssize_t LengthInBytes;
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int s;
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int Status;
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struct timeval Timeout;
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DEBUG (( DEBUG_INFO,
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"%a starting\r\n",
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Argv[0]));
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//
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// Get the socket
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//
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s = socket ( AF_INET, SOCK_DGRAM, 0 );
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if ( -1 == s ) {
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Print ( L"ERROR - Unable to open the socket, errno: %d\r\n", errno );
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}
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else {
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Timeout.tv_sec = 5;
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Timeout.tv_usec = 0;
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Status = setsockopt ( s,
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SOL_SOCKET,
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SO_RCVTIMEO,
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&Timeout,
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sizeof ( Timeout ));
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if ( -1 == Status ) {
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Print ( L"ERROR - Unable to set the receive timeout, errno: %d\r\n", errno );
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}
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else {
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AddressLength = sizeof ( Address );
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LengthInBytes = recvfrom ( s,
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&mBuffer[0],
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sizeof ( mBuffer[0]),
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0,
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(struct sockaddr *)&Address,
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&AddressLength );
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if ( -1 == LengthInBytes ) {
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if ( ETIMEDOUT == errno ) {
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Print ( L"No datagram received\r\n" );
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}
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else {
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Print ( L"ERROR - No datagram received, errno: %d\r\n", errno );
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}
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}
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else {
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Print ( L"Received %d bytes from %d.%d.%d.%d:%d\r\n",
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LengthInBytes,
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(UINT8)Address.sin_addr.s_addr,
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(UINT8)( Address.sin_addr.s_addr >> 8 ),
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(UINT8)( Address.sin_addr.s_addr >> 16 ),
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(UINT8)( Address.sin_addr.s_addr >> 24 ),
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htons ( Address.sin_port ));
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}
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}
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//
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// Done with the socket
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//
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close ( s );
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}
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//
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// All done
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//
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DEBUG (( DEBUG_INFO,
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"%a exiting, errno: %d\r\n",
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Argv[0],
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errno ));
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return errno;
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}
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