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