1/*-
2 * Copyright (c) 2010, Oracle America, Inc.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 *       notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 *       copyright notice, this list of conditions and the following
12 *       disclaimer in the documentation and/or other materials
13 *       provided with the distribution.
14 *     * Neither the name of the "Oracle America, Inc." nor the names of its
15 *       contributors may be used to endorse or promote products derived
16 *       from this software without specific prior written permission.
17 *
18 *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
21 *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
22 *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
23 *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
25 *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
27 *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
28 *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32/*
33 * Spray a server with packets
34 * Useful for testing flakiness of network interfaces
35 */
36
37const SPRAYMAX = 8845;	/* max amount can spray */
38
39/*
40 * GMT since 0:00, 1 January 1970
41 */
42struct spraytimeval {
43	unsigned int sec;
44	unsigned int usec;
45};
46
47/*
48 * spray statistics
49 */
50struct spraycumul {
51	unsigned int counter;
52	spraytimeval clock;
53};
54
55/*
56 * spray data
57 */
58typedef opaque sprayarr<SPRAYMAX>;
59
60program SPRAYPROG {
61	version SPRAYVERS {
62		/*
63		 * Just throw away the data and increment the counter
64		 * This call never returns, so the client should always
65		 * time it out.
66		 */
67		void
68		SPRAYPROC_SPRAY(sprayarr) = 1;
69
70		/*
71		 * Get the value of the counter and elapsed time  since
72		 * last CLEAR.
73		 */
74		spraycumul
75		SPRAYPROC_GET(void) = 2;
76
77		/*
78		 * Clear the counter and reset the elapsed time
79		 */
80		void
81		SPRAYPROC_CLEAR(void) = 3;
82	} = 1;
83} = 100012;
84