diff options
| author | cvs2svn <cvs2svn@FreeBSD.org> | 2004-09-24 18:42:06 +0000 |
|---|---|---|
| committer | cvs2svn <cvs2svn@FreeBSD.org> | 2004-09-24 18:42:06 +0000 |
| commit | 66ca21b80722dbd686f0bd7845e2e1cb7b709c24 (patch) | |
| tree | 36310ed0bc9a79e00fdf728233a24e30da4a31b7 /tools | |
| parent | bb0588b6138df7400c23dafaa3c649468209567d (diff) | |
Notes
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/tools/netrate/Makefile | 7 | ||||
| -rw-r--r-- | tools/tools/netrate/netreceive/netreceive.c | 100 |
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"); + } +} |
