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/*-
* Copyright (c) 2008-2009 Robert N. M. Watson
* 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 AUTHOR 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 AUTHOR 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.
*
* $FreeBSD: src/tools/tools/netrate/tcpp/tcpp.c,v 1.1.2.1.6.1 2010/12/21 17:09:25 kensmith Exp $
*/
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <err.h>
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include <unistd.h>
#include "tcpp.h"
#define BYTES_DEFAULT 10*1024*1024 /* Data per connection. */
#define MAXTCPS_DEFAULT 32 /* Number of TCPs at a time per proc. */
#define PROCS_DEFAULT 1 /* Processes used in run. */
#define TCPS_DEFAULT 1 /* Number of connections per process. */
#define BASEPORT_DEFAULT 10000
struct sockaddr_in remoteip; /* Base target address. */
struct sockaddr_in localipbase; /* Base local address, if -l. */
int cflag, lflag, mflag, pflag, sflag, tflag, Cflag, Mflag, Tflag;
uint64_t bflag;
u_short rflag;
static void
usage(void)
{
fprintf(stderr, "client: tcpp"
" -c remoteIP"
" [-CT]"
" [-M localIPcount]"
" [-l localIPbase]"
" [-b bytespertcp]"
" [-m maxtcpsatonce]"
"\n"
"\t"
" [-p procs]"
" [-t tcpsperproc]"
" [-r baseport]"
"\n");
fprintf(stderr, "server: tcpp"
" -s"
" [-T]"
" [-l localIPbase]"
" [-m maxtcpsatonce]"
" [-p procs]"
" [-r baseport]"
"\n");
exit(EX_USAGE);
}
int
main(int argc, char *argv[])
{
long long ll;
char *dummy;
int ch;
bzero(&localipbase, sizeof(localipbase));
localipbase.sin_len = sizeof(localipbase);
localipbase.sin_family = AF_INET;
localipbase.sin_addr.s_addr = htonl(INADDR_ANY); /* Default. */
localipbase.sin_port = htons(0); /* Default. */
bzero(&remoteip, sizeof(remoteip));
remoteip.sin_len = sizeof(remoteip);
remoteip.sin_family = AF_INET;
remoteip.sin_addr.s_addr = htonl(INADDR_LOOPBACK); /* Default. */
remoteip.sin_port = htons(0); /* Default. */
bflag = BYTES_DEFAULT;
mflag = MAXTCPS_DEFAULT;
pflag = PROCS_DEFAULT;
rflag = BASEPORT_DEFAULT;
tflag = TCPS_DEFAULT;
Mflag = 1;
while ((ch = getopt(argc, argv, "b:c:l:m:p:r:st:CM:T")) != -1) {
switch (ch) {
case 'b':
ll = strtoll(optarg, &dummy, 10);
if (*dummy != '\0' || ll <= 0)
usage();
bflag = ll;
break;
case 'c':
cflag++;
if (inet_aton(optarg, &remoteip.sin_addr) != 1)
err(-1, "inet_aton: %s", optarg);
break;
case 'l':
lflag++;
if (inet_aton(optarg, &localipbase.sin_addr) != 1)
err(-1, "inet_aton: %s", optarg);
break;
case 'm':
ll = strtoll(optarg, &dummy, 10);
if (*dummy != '\0' || ll <= 0)
usage();
mflag = ll;
break;
case 'p':
ll = strtoll(optarg, &dummy, 10);
if (*dummy != '\0' || ll <= 0)
usage();
pflag = ll;
break;
case 'r':
ll = strtol(optarg, &dummy, 10);
if (*dummy != '\0' || ll < 1 || ll > 65535)
usage();
rflag = ll;
break;
case 's':
sflag++;
break;
case 't':
ll = strtoll(optarg, &dummy, 10);
if (*dummy != '\0' || ll <= 0)
usage();
tflag = ll;
break;
case 'C':
Cflag++;
break;
case 'M':
ll = strtoll(optarg, &dummy, 10);
if (*dummy != '\0' || ll <= 1)
usage();
Mflag = ll;
break;
case 'T':
Tflag++;
break;
default:
usage();
}
}
/* Exactly one of client and server. */
if (cflag > 1 || sflag > 1)
usage();
if ((cflag && sflag) || (!cflag && !sflag))
usage();
/* If Mflag is specified, we must have the lflag for a local IP. */
if (Mflag > 1 && !lflag)
usage();
/* Several flags are valid only on the client, disallow if server. */
if (sflag && (Cflag || Mflag > 1))
usage();
if (cflag)
tcpp_client();
else
tcpp_server();
exit(0);
}
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