Obtained from: NetBSD
imported the spray command from NetBSD - it can be used for network analysis (see the man-page)
This commit is contained in:
parent
968a1b9ae4
commit
d021b6c07a
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/vendor/NetBSD/dist/; revision=13242
7
usr.sbin/spray/Makefile
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7
usr.sbin/spray/Makefile
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# $Id: Makefile,v 1.2 1995/07/11 01:18:05 jtc Exp $
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PROG= spray
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MAN8= spray.8
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LDADD= -lrpcsvc
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.include <bsd.prog.mk>
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76
usr.sbin/spray/spray.8
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76
usr.sbin/spray/spray.8
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.\"
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.\" Copyright (c) 1994 James A. Jegers
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. The name of the author may not be used to endorse or promote products
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.\" derived from this software without specific prior written permission
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd July 10, 1995
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.Dt SPRAY 8
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.Os FreeBSD
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.Sh NAME
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.Nm spray
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.Nd send many packets to host
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.Sh SYNOPSIS
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.Nm spray
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.Op Fl c Ar count
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.Op Fl d Ar delay
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.Op Fl l Ar length
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.Ar host
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\&...
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.Ek
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.Sh DESCRIPTION
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.Nm Spray
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sends multiple RPC packets to
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.Ar host
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and records how many of them were correctly received and how long it took.
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.Pp
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The options are as follows:
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.Bl -tag -width indent
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.It Fl c Ar count
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Send
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.Ar count
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packets.
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.It Fl d Ar delay
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Pause
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.Ar delay
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microseconds between sending each packet.
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.It Fl l Ar length
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Set the length of the packet that holds the RPC call message to
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.Ar length
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bytes.
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Not all values of
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.Ar length
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are possible because RPC data is encoded using XDR.
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.Nm Spray
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rounds up to the nearest possible value.
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.El
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.Pp
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.Nm Spray
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is intended for use in network testing, measurement, and management.
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This command
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.Bf -emphasis
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can be very hard on a network and should be used with caution.
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.Ef
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.Pp
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.Sh SEE ALSO
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.Xr netstat 1 ,
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.Xr ifconfig 8 ,
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.Xr ping 8 ,
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.Xr rpc.sprayd 8
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224
usr.sbin/spray/spray.c
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224
usr.sbin/spray/spray.c
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/*
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* Copyright (c) 1993 Winning Strategies, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Winning Strategies, Inc.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: spray.c,v 1.3 1994/12/23 16:42:47 cgd Exp $
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <rpc/rpc.h>
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#include <rpcsvc/spray.h>
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#ifndef SPRAYOVERHEAD
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#define SPRAYOVERHEAD 86
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#endif
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void usage ();
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void print_xferstats ();
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/* spray buffer */
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char spray_buffer[SPRAYMAX];
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/* RPC timeouts */
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struct timeval NO_DEFAULT = { -1, -1 };
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struct timeval ONE_WAY = { 0, 0 };
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struct timeval TIMEOUT = { 25, 0 };
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int
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main(argc, argv)
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int argc;
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char **argv;
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{
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char *progname;
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spraycumul host_stats;
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sprayarr host_array;
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CLIENT *cl;
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int c;
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int i;
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int count = 0;
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int delay = 0;
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int length = 0;
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double xmit_time; /* time to receive data */
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progname = *argv;
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while ((c = getopt(argc, argv, "c:d:l:")) != -1) {
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switch (c) {
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case 'c':
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count = atoi(optarg);
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break;
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case 'd':
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delay = atoi(optarg);
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break;
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case 'l':
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length = atoi(optarg);
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break;
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default:
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usage();
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/* NOTREACHED */
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 1) {
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usage();
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/* NOTREACHED */
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}
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/* Correct packet length. */
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if (length > SPRAYMAX) {
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length = SPRAYMAX;
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} else if (length < SPRAYOVERHEAD) {
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length = SPRAYOVERHEAD;
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} else {
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/* The RPC portion of the packet is a multiple of 32 bits. */
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length -= SPRAYOVERHEAD - 3;
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length &= ~3;
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length += SPRAYOVERHEAD;
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}
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/*
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* The default value of count is the number of packets required
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* to make the total stream size 100000 bytes.
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*/
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if (!count) {
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count = 100000 / length;
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}
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/* Initialize spray argument */
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host_array.sprayarr_len = length - SPRAYOVERHEAD;
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host_array.sprayarr_val = spray_buffer;
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/* create connection with server */
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cl = clnt_create(*argv, SPRAYPROG, SPRAYVERS, "udp");
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if (cl == NULL) {
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clnt_pcreateerror(progname);
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exit(1);
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}
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/*
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* For some strange reason, RPC 4.0 sets the default timeout,
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* thus timeouts specified in clnt_call() are always ignored.
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*
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* The following (undocumented) hack resets the internal state
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* of the client handle.
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*/
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clnt_control(cl, CLSET_TIMEOUT, (caddr_t)&NO_DEFAULT);
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/* Clear server statistics */
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if (clnt_call(cl, SPRAYPROC_CLEAR, xdr_void, NULL, xdr_void, NULL, TIMEOUT) != RPC_SUCCESS) {
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clnt_perror(cl, progname);
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exit(1);
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}
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/* Spray server with packets */
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printf ("sending %d packets of lnth %d to %s ...", count, length, *argv);
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fflush (stdout);
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for (i = 0; i < count; i++) {
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clnt_call(cl, SPRAYPROC_SPRAY, xdr_sprayarr, &host_array, xdr_void, NULL, ONE_WAY);
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if (delay) {
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usleep(delay);
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}
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}
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/* Collect statistics from server */
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if (clnt_call(cl, SPRAYPROC_GET, xdr_void, NULL, xdr_spraycumul, &host_stats, TIMEOUT) != RPC_SUCCESS) {
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clnt_perror(cl, progname);
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exit(1);
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}
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xmit_time = host_stats.clock.sec +
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(host_stats.clock.usec / 1000000.0);
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printf ("\n\tin %.2f seconds elapsed time\n", xmit_time);
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/* report dropped packets */
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if (host_stats.counter != count) {
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int packets_dropped = count - host_stats.counter;
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printf("\t%d packets (%.2f%%) dropped\n",
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packets_dropped,
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100.0 * packets_dropped / count );
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} else {
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printf("\tno packets dropped\n");
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}
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printf("Sent:");
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print_xferstats(count, length, xmit_time);
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printf("Rcvd:");
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print_xferstats(host_stats.counter, length, xmit_time);
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exit (0);
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}
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void
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print_xferstats(packets, packetlen, xfertime)
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int packets;
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int packetlen;
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double xfertime;
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{
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int datalen;
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double pps; /* packets per second */
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double bps; /* bytes per second */
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datalen = packets * packetlen;
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pps = packets / xfertime;
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bps = datalen / xfertime;
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printf("\t%.0f packets/sec, ", pps);
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if (bps >= 1024)
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printf ("%.1fK ", bps / 1024);
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else
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printf ("%.0f ", bps);
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printf("bytes/sec\n");
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}
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void
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usage ()
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{
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fprintf(stderr, "usage: spray [-c count] [-l length] [-d delay] host\n");
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exit(1);
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}
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