1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
|
/** @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;
}
|
