svn commit: r362270 - user/pho/stress2/misc

Peter Holm pho at FreeBSD.org
Wed Jun 17 11:05:14 UTC 2020


Author: pho
Date: Wed Jun 17 11:05:13 2020
New Revision: 362270
URL: https://svnweb.freebsd.org/changeset/base/362270

Log:
  Added a regression test.

Added:
  user/pho/stress2/misc/sendfile24.sh   (contents, props changed)

Added: user/pho/stress2/misc/sendfile24.sh
==============================================================================
--- /dev/null	00:00:00 1970	(empty, because file is newly added)
+++ user/pho/stress2/misc/sendfile24.sh	Wed Jun 17 11:05:13 2020	(r362270)
@@ -0,0 +1,237 @@
+#!/bin/sh
+
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2020 Peter Holm <pho at FreeBSD.org>
+#
+# 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.
+#
+# $FreeBSD$
+#
+
+# sendfile(2) test with disk read errors
+
+# 0 2986 2924   0  52  0   4392 2132 vmopar   D+    0   0:00.00 umount /mnt
+# seen.
+# Fixed by r361852
+
+# Test scenario suggestion by chs@
+
+[ `id -u` -ne 0 ] && echo "Must be root!" && exit 1
+kldstat | grep -q geom_nop || { gnop load 2>/dev/null || exit 0 &&
+    notloaded=1; }
+gnop status || exit 1
+
+. ../default.cfg
+
+dir=/tmp
+odir=`pwd`
+cd $dir
+sed '1,/^EOF/d' < $odir/$0 > $dir/sendfile24.c
+mycc -o sendfile24 -Wall -Wextra -O0 -g sendfile24.c || exit 1
+cd $odir
+
+set -e
+mount | grep $mntpoint | grep -q /dev/md && umount -f $mntpoint
+[ -c /dev/md$mdstart ] &&  mdconfig -d -u $mdstart
+
+mdconfig -a -t swap -s 2g -u $mdstart
+gnop create /dev/md$mdstart
+newfs $newfs_flags /dev/md$mdstart.nop > /dev/null
+mount /dev/md$mdstart.nop $mntpoint
+chmod 777 $mntpoint
+set +e
+
+dd if=/dev/zero of=$mntpoint/file bs=4k count=1 status=none
+gnop configure -e 5 -r 1 /dev/md$mdstart.nop
+
+start=`date +%s`
+echo 'Expect:
+    sendfile24: sendfile: sendfile24: read(), sendfile24.c:61: Broken pipe
+    Connection reset by peer'
+while [ $((`date +%s` - start)) -lt 10 ]; do
+	(cd $mntpoint; umount $mntpoint) > /dev/null 2>&1
+	/tmp/sendfile24 $mntpoint/file /dev/null 12345
+done
+umount $mntpoint
+
+gnop destroy /dev/md$mdstart.nop
+mdconfig -d -u $mdstart
+[ $notloaded ] && gnop unload
+rm -f /tmp/sendfile24 /tmp/sendfile24.c
+
+exit 0
+EOF
+#include <sys/param.h>
+#include <sys/socket.h>
+#include <sys/stat.h>
+#include <err.h>
+#include <fcntl.h>
+#include <netdb.h>
+#include <netinet/in.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+int port;
+char *inputFile;
+char *outputFile;
+int bufsize = 4096;
+
+static void
+reader(void) {
+	int tcpsock, msgsock;
+	int on;
+	socklen_t len;
+	struct sockaddr_in inetaddr, inetpeer;
+	int n, t, *buf, fd;
+
+	on = 1;
+	if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+		err(1, "socket(), %s:%d", __FILE__, __LINE__);
+
+	if (setsockopt(tcpsock,
+	    SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
+		err(1, "setsockopt(), %s:%d", __FILE__, __LINE__);
+
+	inetaddr.sin_family = AF_INET;
+	inetaddr.sin_addr.s_addr = INADDR_ANY;
+	inetaddr.sin_port = htons(port);
+	inetaddr.sin_len = sizeof(inetaddr);
+
+	if (bind(tcpsock,
+	    (struct sockaddr *)&inetaddr, sizeof (inetaddr)) < 0)
+		err(1, "bind(), %s:%d", __FILE__, __LINE__);
+
+	if (listen(tcpsock, 5) < 0)
+		err(1, "listen(), %s:%d", __FILE__, __LINE__);
+
+	len = sizeof(inetpeer);
+	if ((msgsock = accept(tcpsock,
+	    (struct sockaddr *)&inetpeer, &len)) < 0)
+		err(1, "accept(), %s:%d", __FILE__, __LINE__);
+
+	t = 0;
+	if ((buf = malloc(bufsize)) == NULL)
+		err(1, "malloc(%d), %s:%d", bufsize, __FILE__, __LINE__);
+
+	if ((fd = open(outputFile, O_RDWR | O_CREAT | O_TRUNC, 0640)) == -1)
+		err(1, "open(%s)", outputFile);
+
+	for (;;) {
+		if ((n = read(msgsock, buf, bufsize)) < 0)
+			err(1, "read(), %s:%d", __FILE__, __LINE__);
+		t += n;
+		if (n == 0)
+			break;
+
+		if ((write(fd, buf, n)) != n)
+			err(1, "write");
+	}
+	close(msgsock);
+	close(fd);
+	return;
+}
+
+static void
+writer(void) {
+	int tcpsock, on;
+	struct sockaddr_in inetaddr;
+	struct hostent *hostent;
+	struct stat statb;
+	off_t off = 0;
+	size_t size;
+	int i, r, fd;
+
+	on = 1;
+	for (i = 1; i < 5; i++) {
+		if ((tcpsock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+			err(1, "socket(), %s:%d", __FILE__, __LINE__);
+
+		if (setsockopt(tcpsock,
+		    SOL_SOCKET, SO_REUSEADDR, (char *)&on, sizeof(on)) < 0)
+			err(1, "setsockopt(), %s:%d", __FILE__, __LINE__);
+
+		size = getpagesize() -4;
+		if (setsockopt(tcpsock, SOL_SOCKET, SO_SNDBUF, (void *)&size,
+		    sizeof(size)) < 0)
+			err(1, "setsockopt(SO_SNDBUF), %s:%d",
+			    __FILE__, __LINE__);
+
+		hostent = gethostbyname ("localhost");
+		memcpy (&inetaddr.sin_addr.s_addr, hostent->h_addr,
+			sizeof (struct in_addr));
+
+		inetaddr.sin_family = AF_INET;
+		inetaddr.sin_port = htons(port);
+		inetaddr.sin_len = sizeof(inetaddr);
+
+		r = connect(tcpsock, (struct sockaddr *) &inetaddr,
+			sizeof(inetaddr));
+		if (r == 0)
+			break;
+		sleep(1);
+		close(tcpsock);
+	}
+	if (r < 0)
+		err(1, "connect(), %s:%d", __FILE__, __LINE__);
+
+        if (stat(inputFile, &statb) != 0)
+                err(1, "stat(%s)", inputFile);
+
+	if ((fd = open(inputFile, O_RDONLY)) == -1)
+		err(1, "open(%s)", inputFile);
+
+	if (sendfile(fd, tcpsock, 0, statb.st_size, NULL, &off, 0) == -1)
+		err(1, "sendfile");
+
+	return;
+}
+
+int
+main(int argc, char **argv)
+{
+	pid_t pid;
+
+	if (argc != 4) {
+		fprintf(stderr, "Usage: %s <inputFile outputFile portNumber\n",
+		    argv[0]);
+		return (1);
+	}
+	inputFile = argv[1];
+	outputFile = argv[2];
+	port = atoi(argv[3]);
+
+	if ((pid = fork()) == 0) {
+		writer();
+		exit(EXIT_SUCCESS);
+	} else if (pid > 0) {
+		reader();
+		kill(pid, SIGINT);
+	} else
+		err(1, "fork(), %s:%d",  __FILE__, __LINE__);
+
+	return (0);
+}


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