simple_send.c revision 132304
12786Ssos/*- 22786Ssos * Copyright (c) 2004 Robert N. M. Watson 32786Ssos * All rights reserved. 42786Ssos * 52786Ssos * Redistribution and use in source and binary forms, with or without 62786Ssos * modification, are permitted provided that the following conditions 72786Ssos * are met: 82786Ssos * 1. Redistributions of source code must retain the above copyright 92786Ssos * notice, this list of conditions and the following disclaimer. 102786Ssos * 2. Redistributions in binary form must reproduce the above copyright 112786Ssos * notice, this list of conditions and the following disclaimer in the 122786Ssos * documentation and/or other materials provided with the distribution. 132786Ssos * 142786Ssos * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 152786Ssos * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 162786Ssos * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 172786Ssos * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 182786Ssos * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 192786Ssos * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 202786Ssos * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 212786Ssos * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 222786Ssos * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 232786Ssos * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 242786Ssos * SUCH DAMAGE. 252786Ssos * 262786Ssos * $FreeBSD: head/tools/regression/netatalk/simple_send/simple_send.c 132304 2004-07-17 17:16:16Z rwatson $ 272786Ssos */ 282786Ssos 292786Ssos#include <sys/types.h> 302786Ssos#include <sys/socket.h> 312786Ssos 322786Ssos#include <arpa/inet.h> 332786Ssos 342786Ssos#include <netatalk/at.h> 352786Ssos 362786Ssos#include <err.h> 372786Ssos#include <errno.h> 382786Ssos#include <stdio.h> 392786Ssos#include <stdlib.h> 402786Ssos#include <string.h> 412786Ssos#include <unistd.h> 422786Ssos 432786Ssos/* 442786Ssos * This is a simple test tool to bind netatalk SOCK_DGRAM sockets and perform 452786Ssos * simple send operations that exercise each combination of bound and 462786Ssos * connected endpoints, with the intent of exercising the various kernel send 472786Ssos * case. 482786Ssos * 492786Ssos * In order to run this test, configure NETATALK into the kernel. Use 502786Ssos * ifconfig to set an appletalk address on an interface. Run this tool with 512786Ssos * two arguments: a local address and port number, and a remote address and 522786Ssos * port number. 532786Ssos * 542786Ssos * It is recommended that you try running it with some interesting address 552786Ssos * and port thresholds, including ATADDR_ANYNET, ATADDR_ANYNODE, 562786Ssos * ATADDR_ANYPORT, and ATADDR_ANYBCAST. Try both remote unicast addresses 572786Ssos * and the local address, which will help to test local delivery (although 582786Ssos * not socket receive). 592786Ssos */ 602786Ssos 612786Ssos/* 622786Ssos * Create a netatalk socket with specified source and destination, if 632786Ssos * desired. If a source is specified, bind it. If a destination is 642786Ssos * specified, connect it. 652786Ssos */ 662786Ssosstatic int 672786Ssossocket_between(struct sockaddr_at *from, struct sockaddr_at *to) 682786Ssos{ 692786Ssos int s; 702786Ssos 712786Ssos s = socket(PF_APPLETALK, SOCK_DGRAM, ATPROTO_DDP); 722786Ssos if (s == -1) 732786Ssos errx(1, "socket: %s\n", strerror(errno)); 742786Ssos 752786Ssos if (from != NULL) { 762786Ssos if (bind(s, (struct sockaddr *)from, sizeof(*from)) != 0) 772786Ssos errx(1, "bind: %u.%u returned %s\n", 782786Ssos ntohs(from->sat_addr.s_net), from->sat_addr.s_node, 792786Ssos strerror(errno)); 802786Ssos } 815994Ssos 822786Ssos if (to != NULL) { 832786Ssos if (connect(s, (struct sockaddr *)to, sizeof(*to)) != 0) 842786Ssos errx(1, "connect: %u.%u returned %s\n", 852786Ssos ntohs(to->sat_addr.s_net), to->sat_addr.s_node, 862786Ssos strerror(errno)); 872786Ssos } 885994Ssos return (s); 892786Ssos} 902786Ssos 912786Ssosint 922786Ssosmain(int argc, char *argv[]) 932786Ssos{ 942786Ssos struct sockaddr_at sat_from, sat_to; 952786Ssos char *addr_from, *addr_to; 962786Ssos u_int net, node, port; 972786Ssos char msg[] = "TEST"; 982786Ssos ssize_t len; 992786Ssos int s; 1002786Ssos 1012786Ssos if (argc != 3) 1022786Ssos errx(1, "simple_send from_addr to_addr"); 1032786Ssos 1042786Ssos addr_from = argv[1]; 1052786Ssos sat_from.sat_family = AF_APPLETALK; 1062786Ssos sat_from.sat_len = sizeof(sat_from); 1072786Ssos if (sscanf(addr_from, "%u.%u:%u", &net, &node, &port) != 3 || 1085994Ssos net > 0xfff || node > 0xfe) 1092786Ssos errx(1, "%s: illegal address", addr_from); 1105994Ssos sat_from.sat_addr.s_net = htons(net); 1115994Ssos sat_from.sat_addr.s_node = node; 1125994Ssos sat_from.sat_port = port; 113 114 addr_to = argv[2]; 115 sat_to.sat_family = AF_APPLETALK; 116 sat_to.sat_len = sizeof(sat_to); 117 if (sscanf(addr_to, "%u.%u:%u", &net, &node, &port) != 3 || 118 net > 0xffff || node > 0xfe) 119 errx(1, "%s: illegal address", addr_to); 120 sat_to.sat_addr.s_net = htons(net); 121 sat_to.sat_addr.s_node = node; 122 sat_from.sat_port = port; 123 124 printf("Address source is %u.%u:%u, address destination is %u.%u:%u\n", 125 ntohs(sat_from.sat_addr.s_net), sat_from.sat_addr.s_node, 126 sat_from.sat_port, 127 ntohs(sat_to.sat_addr.s_net), sat_to.sat_addr.s_net, 128 sat_to.sat_port); 129 130 /* 131 * First, create a socket and use explicit sendto() to specify 132 * destination. 133 */ 134 s = socket_between(NULL, NULL); 135 len = sendto(s, msg, sizeof(msg), 0, (struct sockaddr *)&sat_to, 136 sizeof(sat_to)); 137 close(s); 138 139 /* 140 * Next, specify the destination for a connect() but not the source. 141 */ 142 s = socket_between(NULL, &sat_to); 143 len = send(s, msg, sizeof(msg), 0); 144 close(s); 145 146 /* 147 * Now, bind the source, but not connect the destination. 148 */ 149 s = socket_between(&sat_from, NULL); 150 len = sendto(s, msg, sizeof(msg), 0, (struct sockaddr *)&sat_to, 151 sizeof(sat_to)); 152 close(s); 153 154 /* 155 * Finally, bind and connect. 156 */ 157 s = socket_between(&sat_from, &sat_to); 158 len = send(s, msg, sizeof(msg), 0); 159 close(s); 160 161 exit(0); 162} 163