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authorcvs2svn <cvs2svn@FreeBSD.org>2004-09-24 18:42:06 +0000
committercvs2svn <cvs2svn@FreeBSD.org>2004-09-24 18:42:06 +0000
commit66ca21b80722dbd686f0bd7845e2e1cb7b709c24 (patch)
tree36310ed0bc9a79e00fdf728233a24e30da4a31b7 /tools
parentbb0588b6138df7400c23dafaa3c649468209567d (diff)
Notes
Diffstat (limited to 'tools')
-rw-r--r--tools/tools/netrate/Makefile7
-rw-r--r--tools/tools/netrate/netreceive/netreceive.c100
2 files changed, 107 insertions, 0 deletions
diff --git a/tools/tools/netrate/Makefile b/tools/tools/netrate/Makefile
new file mode 100644
index 000000000000..8607d071ae01
--- /dev/null
+++ b/tools/tools/netrate/Makefile
@@ -0,0 +1,7 @@
+#
+# $FreeBSD$
+#
+
+SUBDIR= netreceive netsend
+
+.include <bsd.subdir.mk>
diff --git a/tools/tools/netrate/netreceive/netreceive.c b/tools/tools/netrate/netreceive/netreceive.c
new file mode 100644
index 000000000000..4a3a6f6c3ae8
--- /dev/null
+++ b/tools/tools/netrate/netreceive/netreceive.c
@@ -0,0 +1,100 @@
+/*-
+ * Copyright (c) 2004 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.
+ *
+ * $FreeBSD$
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/time.h>
+
+#include <netinet/in.h>
+
+#include <arpa/inet.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+static void
+usage(void)
+{
+
+ fprintf(stderr, "netreceive [port]\n");
+ exit(-1);
+}
+
+int
+main(int argc, char *argv[])
+{
+ struct sockaddr_in sin;
+ char *dummy, *packet;
+ long port;
+ int s, v;
+
+ if (argc != 2)
+ usage();
+
+ bzero(&sin, sizeof(sin));
+ sin.sin_len = sizeof(sin);
+ sin.sin_family = AF_INET;
+ sin.sin_addr.s_addr = htonl(INADDR_ANY);
+
+ port = strtoul(argv[1], &dummy, 10);
+ if (port < 1 || port > 65535 || *dummy != '\0')
+ usage();
+ sin.sin_port = htons(port);
+
+ packet = malloc(65536);
+ if (packet == NULL) {
+ perror("malloc");
+ return (-1);
+ }
+ bzero(packet, 65536);
+
+ s = socket(PF_INET, SOCK_DGRAM, 0);
+ if (s == -1) {
+ perror("socket");
+ return (-1);
+ }
+
+ v = 128 * 1024;
+ if (setsockopt(s, SOL_SOCKET, SO_RCVBUF, &v, sizeof(v)) < 0) {
+ perror("SO_RCVBUF");
+ return (-1);
+ }
+
+ if (bind(s, (struct sockaddr *)&sin, sizeof(sin)) < 0) {
+ perror("bind");
+ return (-1);
+ }
+
+ printf("netreceive listening on UDP port %d\n", (u_short)port);
+
+ while (1) {
+ if (recv(s, packet, 65536, 0) < 0)
+ perror("recv");
+ }
+}