[fada53f] | 1 | /*
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| 2 | * Copyright (c) 2013 Martin Sucha
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup netspeed
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | /** @file
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| 34 | * Network speed measurement (iperf counterpart)
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| 35 | *
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| 36 | */
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| 37 |
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[26de91a] | 38 | #include <assert.h>
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| 39 | #include <inet/dnsr.h>
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| 40 | #include <net/in.h>
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| 41 | #include <net/inet.h>
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| 42 | #include <net/socket.h>
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[fada53f] | 43 | #include <stdio.h>
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| 44 | #include <stdlib.h>
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| 45 | #include <str.h>
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| 46 | #include <str_error.h>
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| 47 | #include <task.h>
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| 48 |
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| 49 | #define NAME "netspeed"
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| 50 |
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| 51 | static int server(sock_type_t sock_type, unsigned port, void *buf, size_t bufsize)
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| 52 | {
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| 53 | struct sockaddr_in addr;
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| 54 |
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| 55 | addr.sin_family = AF_INET;
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| 56 | addr.sin_port = htons(port);
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| 57 |
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| 58 | int rc = inet_pton(AF_INET, "127.0.0.1", (void *)
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| 59 | &addr.sin_addr.s_addr);
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| 60 | if (rc != EOK) {
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| 61 | fprintf(stderr, "inet_pton failed: %s\n", str_error(rc));
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| 62 | return rc;
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| 63 | }
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| 64 |
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| 65 | int listen_sd = socket(PF_INET, sock_type, 0);
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[8c5ba67] | 66 | if (listen_sd < 0) {
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[fada53f] | 67 | fprintf(stderr, "socket failed: %s\n", str_error(rc));
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| 68 | return rc;
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[8c5ba67] | 69 | }
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[fada53f] | 70 |
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| 71 | rc = bind(listen_sd, (struct sockaddr *) &addr, sizeof(addr));
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| 72 | if (rc != EOK) {
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| 73 | fprintf(stderr, "bind failed: %s\n", str_error(rc));
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| 74 | closesocket(listen_sd);
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| 75 | return rc;
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| 76 | }
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| 77 |
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| 78 | rc = listen(listen_sd, 2);
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| 79 | if (rc != EOK) {
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| 80 | fprintf(stderr, "listen failed: %s\n", str_error(rc));
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| 81 | closesocket(listen_sd);
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| 82 | return rc;
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| 83 | }
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| 84 |
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| 85 | int conn_sd;
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| 86 | struct sockaddr_in raddr;
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| 87 | socklen_t raddr_len = sizeof(raddr);
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| 88 | if (sock_type == SOCK_STREAM) {
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| 89 | conn_sd = accept(listen_sd, (struct sockaddr *) &raddr,
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| 90 | &raddr_len);
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| 91 | if (conn_sd < 0) {
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| 92 | fprintf(stderr, "accept failed: %s\n", str_error(conn_sd));
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| 93 | closesocket(listen_sd);
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| 94 | return conn_sd;
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| 95 | }
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[9e59c3b8] | 96 | } else {
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[fada53f] | 97 | conn_sd = listen_sd;
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| 98 | }
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| 99 |
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| 100 | while (true) {
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| 101 | rc = recvfrom(conn_sd, buf, bufsize, 0, (struct sockaddr *) &raddr,
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| 102 | &raddr_len);
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| 103 | if (rc <= 0) {
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| 104 | if (rc < 0)
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| 105 | fprintf(stderr, "recvfrom failed: %s\n", str_error(rc));
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| 106 | break;
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| 107 | }
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| 108 | }
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| 109 |
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| 110 | if (sock_type == SOCK_STREAM)
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| 111 | closesocket(conn_sd);
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| 112 | closesocket(listen_sd);
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| 113 |
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| 114 | return rc;
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| 115 | }
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| 116 |
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[26de91a] | 117 | static int client(sock_type_t sock_type, const char *host, unsigned port,
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[fada53f] | 118 | unsigned long count, char *buf, size_t bufsize)
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| 119 | {
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[26de91a] | 120 | inet_addr_t iaddr;
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| 121 | struct sockaddr *saddr;
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| 122 | socklen_t saddrlen;
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[fada53f] | 123 |
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[26de91a] | 124 | int rc = inet_addr_parse(host, &iaddr);
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| 125 | if (rc != EOK) {
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| 126 | dnsr_hostinfo_t *hinfo = NULL;
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| 127 | rc = dnsr_name2host(host, &hinfo, ip_any);
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| 128 | if (rc != EOK) {
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| 129 | fprintf(stderr, "Error resolving host '%s'.\n", host);
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| 130 | return ENOENT;
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| 131 | }
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| 132 |
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| 133 | iaddr = hinfo->addr;
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| 134 | }
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[fada53f] | 135 |
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[26de91a] | 136 | rc = inet_addr_sockaddr(&iaddr, port, &saddr, &saddrlen);
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[fada53f] | 137 | if (rc != EOK) {
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[26de91a] | 138 | assert(rc == ENOMEM);
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| 139 | fprintf(stderr, "Out of memory.\n");
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| 140 | return ENOMEM;
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[fada53f] | 141 | }
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| 142 |
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[26de91a] | 143 | int conn_sd = socket(saddr->sa_family, sock_type, 0);
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[fada53f] | 144 | if (conn_sd < 0) {
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| 145 | fprintf(stderr, "socket failed: %s\n", str_error(rc));
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| 146 | return rc;
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| 147 | }
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| 148 |
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| 149 | if (sock_type == SOCK_STREAM) {
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[26de91a] | 150 | rc = connect(conn_sd, saddr, saddrlen);
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[fada53f] | 151 | if (rc != EOK) {
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| 152 | fprintf(stderr, "connect failed: %s\n", str_error(rc));
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| 153 | closesocket(conn_sd);
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| 154 | return rc;
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| 155 | }
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| 156 | }
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| 157 |
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| 158 | for (size_t pos = 0; pos < bufsize; pos++) {
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| 159 | buf[pos] = '0' + (pos % 10);
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| 160 | }
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| 161 |
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| 162 | for (unsigned long i = 0; i < count; i++) {
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| 163 | if (sock_type == SOCK_STREAM) {
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| 164 | rc = send(conn_sd, buf, bufsize, 0);
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[9e59c3b8] | 165 | } else {
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[26de91a] | 166 | rc = sendto(conn_sd, buf, bufsize, 0, saddr, saddrlen);
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[fada53f] | 167 | }
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| 168 | if (rc != EOK) {
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| 169 | fprintf(stderr, "send failed: %s\n", str_error(rc));
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| 170 | break;
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| 171 | }
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| 172 | }
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| 173 |
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| 174 | closesocket(conn_sd);
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[26de91a] | 175 | free(saddr);
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[fada53f] | 176 | return rc;
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| 177 | }
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| 178 |
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| 179 | static void syntax_print(void)
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| 180 | {
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| 181 | fprintf(stderr, "Usage: netspeed <tcp|udp> server [port] <buffer size>\n");
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[26de91a] | 182 | fprintf(stderr, " netspeed <tcp|udp> client <host> <port> <count> <buffer size>\n");
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[fada53f] | 183 | }
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| 184 |
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| 185 | int main(int argc, char *argv[])
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| 186 | {
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| 187 | if (argc < 3) {
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| 188 | syntax_print();
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| 189 | return 2;
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| 190 | }
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| 191 |
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| 192 | sock_type_t sock_type;
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| 193 | if (str_cmp(argv[1], "tcp") == 0) {
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| 194 | sock_type = SOCK_STREAM;
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[9e59c3b8] | 195 | } else if (str_cmp(argv[1], "udp") == 0) {
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[fada53f] | 196 | sock_type = SOCK_DGRAM;
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[9e59c3b8] | 197 | } else {
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[fada53f] | 198 | fprintf(stderr, "Invalid socket type\n");
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| 199 | syntax_print();
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| 200 | return 1;
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| 201 | }
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| 202 |
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| 203 | char *endptr;
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| 204 | int arg = 3;
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| 205 | unsigned long port = 5001;
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| 206 | const char *address;
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| 207 | bool is_server;
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| 208 | unsigned long count = 0;
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| 209 |
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| 210 | if (str_cmp(argv[2], "server") == 0) {
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| 211 | is_server = true;
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| 212 | if (argc < 4) {
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| 213 | syntax_print();
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| 214 | return 2;
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| 215 | }
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| 216 | if (argc > 4) {
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| 217 | port = strtoul(argv[3], &endptr, 0);
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| 218 | if (*endptr != 0) {
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| 219 | fprintf(stderr, "Invalid port number\n");
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| 220 | syntax_print();
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| 221 | return 1;
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| 222 | }
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| 223 | arg = 4;
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| 224 | }
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| 225 | }
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| 226 | else if (str_cmp(argv[2], "client") == 0) {
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| 227 | is_server = false;
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| 228 | if (argc < 6) {
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| 229 | syntax_print();
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| 230 | return 2;
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| 231 | }
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| 232 | address = argv[3];
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| 233 | port = strtoul(argv[4], &endptr, 0);
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| 234 | if (*endptr != 0) {
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| 235 | fprintf(stderr, "Invalid port number\n");
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| 236 | syntax_print();
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| 237 | return 1;
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| 238 | }
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| 239 |
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| 240 | count = strtoul(argv[5], &endptr, 0);
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| 241 | if (*endptr != 0) {
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| 242 | fprintf(stderr, "Invalid count\n");
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| 243 | syntax_print();
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| 244 | return 1;
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| 245 | }
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| 246 |
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| 247 | arg = 6;
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| 248 | }
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| 249 | else {
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| 250 | fprintf(stderr, "Invalid client/server mode\n");
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| 251 | syntax_print();
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| 252 | return 2;
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| 253 | }
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| 254 |
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| 255 | if (argc < arg + 1) {
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| 256 | syntax_print();
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| 257 | return 2;
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| 258 | }
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| 259 |
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| 260 | unsigned long bufsize = strtoul(argv[arg], &endptr, 0);
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| 261 | if (*endptr != 0 || bufsize == 0) {
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| 262 | fprintf(stderr, "Invalid buffer size\n");
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| 263 | syntax_print();
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| 264 | return 1;
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| 265 | }
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| 266 |
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| 267 | void *buf = malloc(bufsize);
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| 268 | if (buf == NULL) {
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| 269 | fprintf(stderr, "Cannot allocate buffer\n");
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| 270 | return ENOMEM;
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| 271 | }
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| 272 |
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| 273 | int rc = EOK;
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| 274 | if (is_server) {
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| 275 | rc = server(sock_type, port, buf, bufsize);
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| 276 | if (rc != EOK)
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| 277 | fprintf(stderr, "Server failed: %s\n", str_error(rc));
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[9e59c3b8] | 278 | } else {
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[fada53f] | 279 | rc = client(sock_type, address, port, count, buf, bufsize);
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| 280 | if (rc != EOK)
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| 281 | fprintf(stderr, "Client failed: %s\n", str_error(rc));
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| 282 | }
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| 283 |
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| 284 | free(buf);
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| 285 |
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| 286 | return rc;
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| 287 | }
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| 288 |
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| 289 | /** @}
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| 290 | */
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