summaryrefslogtreecommitdiffstats
path: root/tools/tools/kttcp/kttcp.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/tools/kttcp/kttcp.c')
-rw-r--r--tools/tools/kttcp/kttcp.c309
1 files changed, 309 insertions, 0 deletions
diff --git a/tools/tools/kttcp/kttcp.c b/tools/tools/kttcp/kttcp.c
new file mode 100644
index 0000000..45fa818
--- /dev/null
+++ b/tools/tools/kttcp/kttcp.c
@@ -0,0 +1,309 @@
+/* $FreeBSD$ */
+/* $NetBSD: kttcp.c,v 1.5 2002/07/11 23:32:35 simonb Exp $ */
+
+/*
+ * Copyright (c) 2002 Wasabi Systems, Inc.
+ * All rights reserved.
+ *
+ * Written by Frank van der Linden and Jason R. Thorpe
+ * for Wasabi Systems, Inc.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed for the NetBSD Project by
+ * Wasabi Systems, Inc.
+ * 4. The name of Wasabi Systems, Inc. may not be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
+ * 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.
+ */
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <netdb.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <err.h>
+#include <fcntl.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <string.h>
+
+#include "dev/kttcp/kttcpio.h"
+
+#define KTTCP_PORT "22222"
+#define KTTCP_XMITSIZE (10*1024*1024)
+#define KTTCP_SOCKBUF_DEFAULT 65536
+
+#define KTTCP_DEVICE "/dev/kttcp"
+
+static void
+usage(void)
+{
+ fprintf(stderr,
+ "usage: kttcp -r [-b sockbufsize] [-p port] [-q] [-v]\n"
+ " [-4] [-6]\n"
+ " kttcp -t [-b sockbufsize] [-n bytes] [-q] [-v] [-p port]\n"
+ " [-4] [-6] host\n"
+ );
+ exit(1);
+}
+
+static unsigned long long
+get_bytes(const char *str)
+{
+ unsigned long long bytes;
+ char *cp;
+
+ bytes = strtoull(str, &cp, 10);
+ if (bytes == ULLONG_MAX && errno == ERANGE)
+ err(1, "%s", str);
+
+ if (cp[0] != '\0') {
+ if (cp[1] != '\0')
+ errx(1, "invalid byte count: %s", str);
+ if (cp[0] == 'k' || cp[0] == 'K')
+ bytes *= 1024;
+ else if (cp[0] == 'm' || cp[0] == 'M')
+ bytes *= 1024 * 1024;
+ else if (cp[0] == 'g' || cp[0] == 'G')
+ bytes *= 1024 * 1024 * 1024;
+ else
+ errx(1, "invalid byte count modifier: %s", str);
+ }
+
+ return (bytes);
+}
+
+int
+main(int argc, char *argv[])
+{
+ int c, error, s, verbose, s2, kfd;
+ int xmitset, family;
+ int bufsize;
+ int ai_flag;
+ char *host;
+ char *portstr;
+ struct kttcp_io_args kio;
+ struct addrinfo hints, *addr, *res;
+ struct sockaddr_storage ss;
+ struct rusage rustart, ruend;
+ struct timeval tvtmp;
+ unsigned long long ull, usecs, bytespersec, bitspersec, xmitsize;
+ char connecthost[NI_MAXHOST];
+ socklen_t slen;
+ const int one = 1;
+ u_long cmd;
+
+ cmd = 0;
+ portstr = KTTCP_PORT;
+ verbose = 1;
+ xmitset = 0;
+ bufsize = KTTCP_SOCKBUF_DEFAULT;
+ xmitsize = KTTCP_XMITSIZE;
+ family = PF_UNSPEC;
+ while ((c = getopt(argc, argv, "46b:n:p:qrtvw:")) != -1) {
+ switch (c) {
+ case '4':
+ if (family != PF_UNSPEC)
+ usage();
+ family = PF_INET;
+ break;
+ case '6':
+ if (family != PF_UNSPEC)
+ usage();
+ family = PF_INET6;
+ break;
+ case 'b':
+ ull = get_bytes(optarg);
+ if (ull > INT_MAX)
+ errx(1,
+ "invalid socket buffer size: %s\n", optarg);
+ bufsize = ull;
+ break;
+ case 'n':
+ xmitsize = get_bytes(optarg);
+ if (xmitsize > KTTCP_MAX_XMIT)
+ xmitsize = KTTCP_MAX_XMIT;
+ xmitset = 1;
+ break;
+ case 'p':
+ portstr = optarg;
+ break;
+ case 'q':
+ verbose = 0;
+ break;
+ case 'r':
+ if (cmd != 0)
+ usage();
+ cmd = KTTCP_IO_RECV;
+ break;
+ case 't':
+ if (cmd != 0)
+ usage();
+ cmd = KTTCP_IO_SEND;
+ break;
+ case 'v':
+ verbose = 2;
+ break;
+ case '?':
+ default:
+ usage();
+ }
+ }
+ if (cmd == 0)
+ usage();
+
+ argc -= optind;
+ argv += optind;
+
+ if (cmd == KTTCP_IO_SEND) {
+ if (xmitsize <= 0 || argc < 1)
+ usage();
+ host = argv[0];
+ ai_flag = 0;
+ } else {
+ if (xmitset == 0)
+ xmitsize = KTTCP_MAX_XMIT;
+ host = NULL;
+ ai_flag = AI_PASSIVE;
+ }
+
+ if ((kfd = open(KTTCP_DEVICE, O_RDWR, 666)) == -1)
+ err(2, "open %s", KTTCP_DEVICE);
+
+ memset(&hints, 0, sizeof hints);
+ hints.ai_flags = ai_flag;
+ hints.ai_socktype = SOCK_STREAM;
+ hints.ai_family = family;
+ error = getaddrinfo(host, portstr, &hints, &addr);
+
+ if (error != 0)
+ errx(2, "%s", gai_strerror(error));
+
+ s = -1;
+ for (res = addr; res != NULL; res = res->ai_next) {
+ s = socket(res->ai_family, res->ai_socktype, res->ai_protocol);
+ if (s >= 0)
+ break;
+ }
+ if (res == NULL)
+ err(2, "can't create socket");
+
+ printf("kttcp: socket buffer size: %d\n", bufsize);
+
+ if (cmd == KTTCP_IO_SEND) {
+ if (connect(s, res->ai_addr, res->ai_addrlen) < 0)
+ err(2, "connect");
+ if (verbose) {
+ getnameinfo(res->ai_addr, res->ai_addrlen,
+ connecthost, sizeof connecthost, NULL, 0,
+ NI_NUMERICHOST);
+ printf("kttcp: connected to %s\n", connecthost);
+ }
+ if (setsockopt(s, SOL_SOCKET, SO_SNDBUF, &bufsize, sizeof (int))
+ < 0)
+ err(2, "setsockopt sndbuf");
+ kio.kio_socket = s;
+ } else {
+ if (setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &one,
+ sizeof (int)) < 0)
+ err(2, "setsockopt reuseaddr");
+ if (bind(s, res->ai_addr, res->ai_addrlen) < 0)
+ err(2, "bind");
+ if (listen(s, 1) < 0)
+ err(2, "listen");
+ if (verbose)
+ printf("kttcp: listening on port %s\n", portstr);
+ slen = sizeof ss;
+ s2 = accept(s, (struct sockaddr *)&ss, &slen);
+ if (s2 < 0)
+ err(2, "accept");
+ if (verbose) {
+ getnameinfo((struct sockaddr *)&ss, ss.ss_len,
+ connecthost, sizeof connecthost, NULL, 0,
+ NI_NUMERICHOST);
+ printf("kttcp: connect from %s\n", connecthost);
+ }
+ if (setsockopt(s2, SOL_SOCKET, SO_RCVBUF, &bufsize,
+ sizeof (int)) < 0)
+ err(2, "setsockopt rcvbuf");
+ kio.kio_socket = s2;
+ }
+
+ kio.kio_totalsize = xmitsize;
+
+ getrusage(RUSAGE_SELF, &rustart);
+ if (ioctl(kfd, cmd, &kio) == -1)
+ err(2, "kttcp i/o command");
+ getrusage(RUSAGE_SELF, &ruend);
+
+ usecs = (unsigned long long)kio.kio_elapsed.tv_sec * 1000000;
+ usecs += kio.kio_elapsed.tv_usec;
+
+ bytespersec = kio.kio_bytesdone * 1000000LL / usecs;
+ bitspersec = bytespersec * NBBY;
+ printf("kttcp: %llu bytes in %ld.%03ld real seconds ==> %llu bytes/sec\n",
+ kio.kio_bytesdone, kio.kio_elapsed.tv_sec,
+ kio.kio_elapsed.tv_usec / 1000, bytespersec);
+ if (verbose > 1) {
+ timersub(&ruend.ru_stime, &rustart.ru_stime, &tvtmp);
+ bytespersec = kio.kio_bytesdone * 1000000LL /
+ (tvtmp.tv_sec * 1000000ULL + tvtmp.tv_usec);
+ printf("kttcp: %llu bytes in %ld.%03ld CPU seconds ==> %llu bytes/CPU sec\n",
+ kio.kio_bytesdone, tvtmp.tv_sec, tvtmp.tv_usec / 1000, bytespersec);
+ }
+ printf(" %g (%g) Megabits/sec\n",
+ ((double) bitspersec / 1024.0) / 1024.0,
+ ((double) bitspersec / 1000.0) / 1000.0);
+
+ timersub(&ruend.ru_utime, &rustart.ru_utime, &tvtmp);
+ /* XXX
+ * sometimes, this ends up as -1 * hz!?
+ */
+ if (tvtmp.tv_sec < 0)
+ tvtmp.tv_sec = tvtmp.tv_usec = 0;
+ printf(" %ld.%02lduser", tvtmp.tv_sec, tvtmp.tv_usec / 10000);
+ ull = tvtmp.tv_sec * 1000000ULL + tvtmp.tv_usec;
+
+ timersub(&ruend.ru_stime, &rustart.ru_stime, &tvtmp);
+ printf(" %ld.%02ldsys", tvtmp.tv_sec, tvtmp.tv_usec / 10000);
+ ull += tvtmp.tv_sec * 1000000ULL + tvtmp.tv_usec;
+
+ printf(" %lld.%lldreal", usecs / 1000000, (usecs % 1000000) / 10000);
+ printf(" %lld%%", ull * 100 / usecs);
+ printf("\n");
+
+
+ close(kio.kio_socket);
+ if (cmd == KTTCP_IO_RECV)
+ close(s);
+ close(kfd);
+ freeaddrinfo(addr);
+
+ return 0;
+}
OpenPOWER on IntegriCloud