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
|
/*
* netsniff-ng - the packet sniffing beast
* Copyright 2009, 2010 Daniel Borkmann.
* Subject to the GPL, version 2.
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <linux/udp.h>
#include <linux/tcp.h>
#include <linux/in.h>
#include "corking.h"
#include "die.h"
void set_udp_cork(int fd)
{
int ret, state = 1;
ret = setsockopt(fd, IPPROTO_UDP, UDP_CORK, &state, sizeof(state));
if (unlikely(ret))
panic("Cannot cork UDP socket!\n");
}
void set_udp_uncork(int fd)
{
int ret, state = 0;
ret = setsockopt(fd, IPPROTO_UDP, UDP_CORK, &state, sizeof(state));
if (unlikely(ret))
panic("Cannot uncork UDP socket!\n");
}
void set_tcp_cork(int fd)
{
int ret, state = 1;
ret = setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state));
if (unlikely(ret))
panic("Cannot cork TCP socket!\n");
}
void set_tcp_uncork(int fd)
{
int ret, state = 0;
ret = setsockopt(fd, IPPROTO_TCP, TCP_CORK, &state, sizeof(state));
if (unlikely(ret))
panic("Cannot uncork TCP socket!\n");
}
void set_sock_cork(int fd, bool is_udp)
{
if (is_udp)
set_udp_cork(fd);
else
set_tcp_cork(fd);
}
void set_sock_uncork(int fd, bool is_udp)
{
if (is_udp)
set_udp_uncork(fd);
else
set_tcp_uncork(fd);
}
|
