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
|
/*
* sockem - socket-level network emulation
*
* Copyright (c) 2016, Magnus Edenhill, Andreas Smas
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RD_SOCKEM_H_
#define _RD_SOCKEM_H_
#include <sys/types.h>
#include <sys/socket.h>
typedef struct sockem_s sockem_t;
/**
* @brief Connect to \p addr
*
* See sockem_set for the va-arg list definition.
*
* @returns a sockem handle on success or NULL on failure.
*/
sockem_t *
sockem_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen, ...);
/**
* @brief Close the connection and destroy the sockem.
*/
void sockem_close(sockem_t *skm);
/**
* @brief Set sockem parameters by `char *key, int val` tuples.
*
* Keys:
* rx.thruput
* tx.thruput
* delay
* jitter
* rx.bufsz
* true (dummy, ignored)
*
* The key may also be a CSV-list of "key=val,key2=val2" pairs in which case
* val must be 0 and the sentinel NULL.
*
* The va-arg list must be terminated with a NULL sentinel
*
* @returns 0 on success or -1 if a key was unknown.
*/
int sockem_set(sockem_t *skm, ...);
/**
* @brief Find sockem by (application) socket.
* @remark Application is responsible for locking.
*/
sockem_t *sockem_find(int sockfd);
#endif /* _RD_SOCKEM_H_ */
|
