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