[Midnightbsd-cvs] src [11939] trunk/tools/tools/netrate/tcpconnect: add tcpconnect

[laffer1 at midnightbsd.org]

Revision: 11939
          http://svnweb.midnightbsd.org/src/?rev=11939
Author:   laffer1
Date:     2018-07-21 16:02:11 -0400 (Sat, 21 Jul 2018)
Log Message:
-----------
add tcpconnect

Added Paths:
-----------
    trunk/tools/tools/netrate/tcpconnect/
    trunk/tools/tools/netrate/tcpconnect/Makefile
    trunk/tools/tools/netrate/tcpconnect/tcpconnect.c

Added: trunk/tools/tools/netrate/tcpconnect/Makefile
===================================================================
--- trunk/tools/tools/netrate/tcpconnect/Makefile	                        (rev 0)
+++ trunk/tools/tools/netrate/tcpconnect/Makefile	2018-07-21 20:02:11 UTC (rev 11939)
@@ -0,0 +1,8 @@
+# $MidnightBSD$
+# $FreeBSD: stable/10/tools/tools/netrate/tcpconnect/Makefile 276486 2014-12-31 23:25:37Z ngie $
+
+PROG=	tcpconnect
+MAN=
+WARNS?=	3
+
+.include <bsd.prog.mk>


Property changes on: trunk/tools/tools/netrate/tcpconnect/Makefile
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Added: svn:eol-style
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+native
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Added: svn:keywords
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+MidnightBSD=%H
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Added: trunk/tools/tools/netrate/tcpconnect/tcpconnect.c
===================================================================
--- trunk/tools/tools/netrate/tcpconnect/tcpconnect.c	                        (rev 0)
+++ trunk/tools/tools/netrate/tcpconnect/tcpconnect.c	2018-07-21 20:02:11 UTC (rev 11939)
@@ -0,0 +1,137 @@
+/* $MidnightBSD$ */
+/*-
+ * Copyright (c) 2005 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: stable/10/tools/tools/netrate/tcpconnect/tcpconnect.c 213574 2010-10-08 14:31:49Z pluknet $
+ */
+
+#include <sys/types.h>
+#include <sys/fcntl.h>
+#include <sys/ioctl.h>
+#include <sys/select.h>
+#include <sys/socket.h>
+#include <sys/stdint.h>
+
+#include <netinet/in.h>
+
+#include <arpa/inet.h>
+
+#include <err.h>
+#include <errno.h>
+#include <signal.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+
+/*
+ * Simple micro-benchmark to see how many connections/second can be created
+ * in a serialized fashion against a given server.  A timer signal is used
+ * to interrupt the loop and assess the cost.
+ */
+#define	SECONDS	60
+#define	PORT	6060
+
+static int	timer_fired;
+
+/*
+ * Signal timer, which both interrupts the in-progress socket operation, and
+ * flags the timer as having fired so the main loop can exit.
+ */
+static void
+alarm_handler(__unused int signum)
+{
+
+	timer_fired = 1;
+}
+
+/*
+ * Build a connection.  In order to make sure the signal interrupts us as
+ * we wait, use non-blocking sockets and select().  Return 0 on success, or
+ * -1 if we were interrupted.  Exit with a failure if we get an unspected
+ * error.
+ */
+static int
+try_connect(struct sockaddr_in *sin)
+{
+	struct 
+	fd_set read_set;
+	int i, s;
+
+	s = socket(PF_INET, SOCK_STREAM, 0);
+	if (s < 0)
+		err(-1, "socket(PF_INET, SOCK_STREAM)");
+
+	i = 1;
+	if (fcntl(s, F_SETFL, FIONBIO, &i) < 0)
+		err(-1, "fcntl(s, FIOBIO, 1)");
+
+	FD_ZERO(&read_set);
+	FD_SET(s, &read_set);
+
+	if (connect(s, (struct sockaddr *)sin, sizeof(*sin)) < 0 &&
+	    errno != EINPROGRESS)
+		err(-1, "connect(%s)", inet_ntoa(sin->sin_addr));
+
+	if (select(s + 1, &read_set, &read_set, &read_set, NULL) < 0) {
+		if ((errno == EINTR && !timer_fired) || (errno != EINTR))
+			err(-1, "select");
+		return (-1);
+	}
+
+	close(s);
+	return (0);
+}
+
+
+int
+main(int argc, char *argv[])
+{
+	struct sockaddr_in sin;
+	u_int64_t counter;
+
+	if (argc != 2)
+		errx(-1, "usage: tcpconnect [ip]");
+
+	bzero(&sin, sizeof(sin));
+	sin.sin_family = AF_INET;
+	sin.sin_len = sizeof(sin);
+	sin.sin_addr.s_addr = inet_addr(argv[1]);
+	sin.sin_port = htons(PORT);
+
+	if (signal(SIGALRM, alarm_handler) == SIG_ERR)
+		err(-1, "signal(SIGALRM)");
+
+	alarm(SECONDS);
+
+	counter = 0;
+	while (!timer_fired) {
+		if (try_connect(&sin) == 0)
+			counter++;
+	}
+	printf("%ju count\n", (uintmax_t)counter);
+	printf("%ju connections/second\n", (uintmax_t)(counter / SECONDS));
+
+	return (0);
+}


Property changes on: trunk/tools/tools/netrate/tcpconnect/tcpconnect.c
___________________________________________________________________
Added: svn:eol-style
## -0,0 +1 ##
+native
\ No newline at end of property
Added: svn:keywords
## -0,0 +1 ##
+MidnightBSD=%H
\ No newline at end of property
Added: svn:mime-type
## -0,0 +1 ##
+text/plain
\ No newline at end of property