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1 /* | |
2 * ut-sim.h | |
3 * | |
4 * an unreliable transport simulator | |
5 * (for testing replay databases and suchlike) | |
6 * | |
7 * David A. McGrew | |
8 * Cisco Systems, Inc. | |
9 */ | |
10 | |
11 /* | |
12 * | |
13 * Copyright (c) 2001-2006, Cisco Systems, Inc. | |
14 * All rights reserved. | |
15 * | |
16 * Redistribution and use in source and binary forms, with or without | |
17 * modification, are permitted provided that the following conditions | |
18 * are met: | |
19 * | |
20 * Redistributions of source code must retain the above copyright | |
21 * notice, this list of conditions and the following disclaimer. | |
22 * | |
23 * Redistributions in binary form must reproduce the above | |
24 * copyright notice, this list of conditions and the following | |
25 * disclaimer in the documentation and/or other materials provided | |
26 * with the distribution. | |
27 * | |
28 * Neither the name of the Cisco Systems, Inc. nor the names of its | |
29 * contributors may be used to endorse or promote products derived | |
30 * from this software without specific prior written permission. | |
31 * | |
32 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
33 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
34 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
35 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
36 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
37 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
38 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
39 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
40 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
41 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
42 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
43 * OF THE POSSIBILITY OF SUCH DAMAGE. | |
44 * | |
45 */ | |
46 | |
47 | |
48 | |
49 #ifndef UT_SIM_H | |
50 #define UT_SIM_H | |
51 | |
52 #include "integers.h" /* for uint32_t */ | |
53 | |
54 #define UT_BUF 160 /* maximum amount of packet reorder */ | |
55 | |
56 typedef struct { | |
57 uint32_t index; | |
58 uint32_t buffer[UT_BUF]; | |
59 } ut_connection; | |
60 | |
61 /* | |
62 * ut_init(&u) initializes the ut_connection | |
63 * | |
64 * this function should always be the first one called on a new | |
65 * ut_connection | |
66 */ | |
67 | |
68 void | |
69 ut_init(ut_connection *utc); | |
70 | |
71 /* | |
72 * ut_next_index(&u) returns the next index from the simulated | |
73 * unreliable connection | |
74 */ | |
75 | |
76 uint32_t | |
77 ut_next_index(ut_connection *utc); | |
78 | |
79 | |
80 #endif /* UT_SIM_H */ | |
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