| 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 | |
| 37 | const SPRAYMAX = 8845;	/* max amount can spray */ |
| 38 | |
| 39 | /* |
| 40 | * GMT since 0:00, 1 January 1970 |
| 41 | */ |
| 42 | struct spraytimeval { |
| 43 | 	unsigned int sec; |
| 44 | 	unsigned int usec; |
| 45 | }; |
| 46 | |
| 47 | /* |
| 48 | * spray statistics |
| 49 | */ |
| 50 | struct spraycumul { |
| 51 | 	unsigned int counter; |
| 52 | 	spraytimeval clock; |
| 53 | }; |
| 54 | |
| 55 | /* |
| 56 | * spray data |
| 57 | */ |
| 58 | typedef opaque sprayarr<SPRAYMAX>; |
| 59 | |
| 60 | program 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; |