1 | /* |
---|
2 | * Test RTEMS networking |
---|
3 | * |
---|
4 | * This program may be distributed and used for any purpose. |
---|
5 | * I ask only that you: |
---|
6 | * 1. Leave this author information intact. |
---|
7 | * 2. Document any changes you make. |
---|
8 | * |
---|
9 | * W. Eric Norum |
---|
10 | * Saskatchewan Accelerator Laboratory |
---|
11 | * University of Saskatchewan |
---|
12 | * Saskatoon, Saskatchewan, CANADA |
---|
13 | * eric@skatter.usask.ca |
---|
14 | * |
---|
15 | * $Id$ |
---|
16 | */ |
---|
17 | |
---|
18 | #include <stdio.h> |
---|
19 | #include <string.h> |
---|
20 | #include <errno.h> |
---|
21 | #include <unistd.h> |
---|
22 | #include <rtems.h> |
---|
23 | #include <rtems/rtems_bsdnet.h> |
---|
24 | #include <rtems/error.h> |
---|
25 | #include <sys/types.h> |
---|
26 | #include <sys/socket.h> |
---|
27 | #include <netinet/in.h> |
---|
28 | |
---|
29 | #define NSERVER 2 |
---|
30 | #define BASE_PORT 24742 |
---|
31 | |
---|
32 | #define DATA_SINK_HOST ((128 << 24) | (233 << 16) | (14 << 8) | 60) |
---|
33 | |
---|
34 | void showbroad(int s) |
---|
35 | { |
---|
36 | int opt; |
---|
37 | socklen_t optlen = sizeof opt; |
---|
38 | |
---|
39 | if (getsockopt (s, SOL_SOCKET, SO_BROADCAST, &opt, &optlen) < 0) |
---|
40 | printf ("getsockopt failed: %s\n", strerror (errno)); |
---|
41 | printf ("Opt:%d Optlen:%ld\n", opt, (long)optlen); |
---|
42 | } |
---|
43 | |
---|
44 | static |
---|
45 | void |
---|
46 | showStatistics (void) |
---|
47 | { |
---|
48 | rtems_bsdnet_show_inet_routes (); |
---|
49 | rtems_bsdnet_show_mbuf_stats (); |
---|
50 | rtems_bsdnet_show_if_stats (); |
---|
51 | rtems_bsdnet_show_ip_stats (); |
---|
52 | rtems_bsdnet_show_icmp_stats (); |
---|
53 | rtems_bsdnet_show_udp_stats (); |
---|
54 | rtems_bsdnet_show_tcp_stats (); |
---|
55 | } |
---|
56 | |
---|
57 | /* |
---|
58 | * Stress the transmit queue -- send a large number of UDP packets |
---|
59 | */ |
---|
60 | static void |
---|
61 | transmitUdp (void) |
---|
62 | { |
---|
63 | int s; |
---|
64 | int i; |
---|
65 | int opt; |
---|
66 | static struct sockaddr_in myAddr, farAddr; |
---|
67 | static char cbuf[800]; |
---|
68 | static char bigbuf[9000]; |
---|
69 | |
---|
70 | printf ("Create socket.\n"); |
---|
71 | s = socket (AF_INET, SOCK_DGRAM, 0); |
---|
72 | if (s < 0) |
---|
73 | rtems_panic ("Can't create socket: %s", strerror (errno)); |
---|
74 | myAddr.sin_family = AF_INET; |
---|
75 | myAddr.sin_port = htons (1234); |
---|
76 | myAddr.sin_addr.s_addr = htonl (INADDR_ANY); |
---|
77 | printf ("Bind socket.\n"); |
---|
78 | if (bind (s, (struct sockaddr *)&myAddr, sizeof myAddr) < 0) |
---|
79 | rtems_panic ("Can't bind socket: %s", strerror (errno)); |
---|
80 | farAddr.sin_family = AF_INET; |
---|
81 | farAddr.sin_port = htons (9); /* The `discard' port */ |
---|
82 | #if 1 |
---|
83 | farAddr.sin_addr.s_addr = htonl (0xFFFFFFFF); |
---|
84 | if (sendto (s, cbuf, sizeof cbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) >= 0) |
---|
85 | printf ("Broadcast succeeded, but should not have!\n"); |
---|
86 | showbroad (s); |
---|
87 | opt = 1; |
---|
88 | if (setsockopt (s, SOL_SOCKET, SO_BROADCAST, &opt, sizeof opt) < 0) |
---|
89 | rtems_panic ("Can't set socket broadcast: %s", strerror (errno)); |
---|
90 | showbroad (s); |
---|
91 | for (i = 0 ; i < 5 ; i++) { |
---|
92 | if (sendto (s, cbuf, sizeof cbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
---|
93 | rtems_panic ("Can't broadcast: %s", strerror (errno)); |
---|
94 | } |
---|
95 | #endif |
---|
96 | farAddr.sin_addr.s_addr = htonl (DATA_SINK_HOST); |
---|
97 | #if 1 |
---|
98 | for (i = 0 ; i < 500 ; i++) { |
---|
99 | if (sendto (s, cbuf, sizeof cbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
---|
100 | rtems_panic ("Can't send: %s", strerror (errno)); |
---|
101 | if (sendto (s, cbuf, sizeof cbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
---|
102 | rtems_panic ("Can't send: %s", strerror (errno)); |
---|
103 | } |
---|
104 | #endif |
---|
105 | #if 1 |
---|
106 | for (i = 0 ; i < 2 ; i++) { |
---|
107 | if (sendto (s, bigbuf, sizeof bigbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
---|
108 | rtems_panic ("Can't send: %s", strerror (errno)); |
---|
109 | if (sendto (s, bigbuf, sizeof bigbuf, 0, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) |
---|
110 | rtems_panic ("Can't send: %s", strerror (errno)); |
---|
111 | } |
---|
112 | #endif |
---|
113 | close (s); |
---|
114 | } |
---|
115 | |
---|
116 | /* |
---|
117 | * Stress the transmit queue -- send a large number of TCP packets |
---|
118 | */ |
---|
119 | static void |
---|
120 | transmitTcp (void) |
---|
121 | { |
---|
122 | int s; |
---|
123 | int i; |
---|
124 | static struct sockaddr_in myAddr, farAddr; |
---|
125 | static char cbuf[800]; |
---|
126 | static char bigbuf[20000]; |
---|
127 | |
---|
128 | printf ("Create socket.\n"); |
---|
129 | s = socket (AF_INET, SOCK_STREAM, 0); |
---|
130 | if (s < 0) |
---|
131 | rtems_panic ("Can't create socket: %s", strerror (errno)); |
---|
132 | myAddr.sin_family = AF_INET; |
---|
133 | myAddr.sin_port = htons (1234); |
---|
134 | myAddr.sin_addr.s_addr = htonl (INADDR_ANY); |
---|
135 | printf ("Bind socket.\n"); |
---|
136 | if (bind (s, (struct sockaddr *)&myAddr, sizeof myAddr) < 0) |
---|
137 | rtems_panic ("Can't bind socket: %s", strerror (errno)); |
---|
138 | farAddr.sin_family = AF_INET; |
---|
139 | farAddr.sin_port = htons (9); /* The `discard' port */ |
---|
140 | farAddr.sin_addr.s_addr = htonl (DATA_SINK_HOST); |
---|
141 | printf ("Connect socket.\n"); |
---|
142 | if (connect (s, (struct sockaddr *)&farAddr, sizeof farAddr) < 0) { |
---|
143 | printf ("Can't connect socket: %s\n", strerror (errno)); |
---|
144 | close (s); |
---|
145 | return; |
---|
146 | } |
---|
147 | printf ("Write to socket.\n"); |
---|
148 | for (i = 0 ; i < 500 ; i++) { |
---|
149 | if (write (s, cbuf, sizeof cbuf) < 0) |
---|
150 | rtems_panic ("Can't send: %s", strerror (errno)); |
---|
151 | } |
---|
152 | for (i = 0 ; i < 2 ; i++) { |
---|
153 | if (write (s, bigbuf, sizeof bigbuf) < 0) |
---|
154 | rtems_panic ("Can't send: %s", strerror (errno)); |
---|
155 | } |
---|
156 | close (s); |
---|
157 | } |
---|
158 | |
---|
159 | /* |
---|
160 | * Echo characters back to a telnet session |
---|
161 | * |
---|
162 | * With this running on the test machine you can go to |
---|
163 | * another machine on your network and run: |
---|
164 | * telnet test_machine the_port_number_with_which_this_function_was_started |
---|
165 | * Everything you type should be echoed back. |
---|
166 | */ |
---|
167 | static void |
---|
168 | echoTask (rtems_task_argument fd) |
---|
169 | { |
---|
170 | char cbuf[512]; |
---|
171 | int n; |
---|
172 | rtems_status_code sc; |
---|
173 | |
---|
174 | for (;;) { |
---|
175 | #if 1 |
---|
176 | n = read (fd, cbuf, sizeof cbuf); |
---|
177 | #else |
---|
178 | n = read (fd, cbuf, 1); |
---|
179 | #endif |
---|
180 | if (n == 0) { |
---|
181 | printf ("EOF\n"); |
---|
182 | break; |
---|
183 | } |
---|
184 | else if (n < 0) { |
---|
185 | rtems_panic ("Error receiving message: %s", strerror (errno)); |
---|
186 | } |
---|
187 | printf ("Received: %d\n", n); |
---|
188 | if (send (fd, cbuf, n, 0) < 0) |
---|
189 | rtems_panic ("Error sending message: %s", strerror (errno)); |
---|
190 | if (cbuf[0] == 'Q') |
---|
191 | break; |
---|
192 | } |
---|
193 | if (close (fd) < 0) |
---|
194 | rtems_panic ("Can't close connection: %s", strerror (errno)); |
---|
195 | sc = rtems_task_delete (RTEMS_SELF); |
---|
196 | rtems_panic ("Task deletion failed: %s", rtems_status_text (sc)); |
---|
197 | } |
---|
198 | |
---|
199 | static void |
---|
200 | echoServer (unsigned short port) |
---|
201 | { |
---|
202 | int s, s1; |
---|
203 | struct sockaddr_in myAddr, farAddr; |
---|
204 | socklen_t addrlen; |
---|
205 | rtems_id tid; |
---|
206 | rtems_task_priority my_priority; |
---|
207 | rtems_status_code sc; |
---|
208 | char c = 'a'; |
---|
209 | |
---|
210 | printf ("Create socket.\n"); |
---|
211 | s = socket (AF_INET, SOCK_STREAM, 0); |
---|
212 | if (s < 0) |
---|
213 | rtems_panic ("Can't create socket: %s", strerror (errno)); |
---|
214 | myAddr.sin_family = AF_INET; |
---|
215 | myAddr.sin_port = htons (port); |
---|
216 | myAddr.sin_addr.s_addr = INADDR_ANY; |
---|
217 | memset (myAddr.sin_zero, '\0', sizeof myAddr.sin_zero); |
---|
218 | printf ("Bind socket.\n"); |
---|
219 | if (bind (s, (struct sockaddr *)&myAddr, sizeof myAddr) < 0) |
---|
220 | rtems_panic ("Can't bind socket: %s", strerror (errno)); |
---|
221 | printf ("Listen.\n"); |
---|
222 | if (listen (s, 2) < 0) |
---|
223 | rtems_panic ("Can't listen on socket: %s", strerror (errno)); |
---|
224 | for (;;) { |
---|
225 | printf ("Accept.\n"); |
---|
226 | addrlen = sizeof farAddr; |
---|
227 | s1 = accept (s, (struct sockaddr *)&farAddr, &addrlen); |
---|
228 | if (s1 < 0) |
---|
229 | rtems_panic ("Can't accept connection: %s", strerror (errno)); |
---|
230 | else |
---|
231 | printf ("ACCEPTED:%lX\n", ntohl (farAddr.sin_addr.s_addr)); |
---|
232 | |
---|
233 | /* |
---|
234 | * Start an echo task |
---|
235 | */ |
---|
236 | rtems_task_set_priority (RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &my_priority); |
---|
237 | sc = rtems_task_create (rtems_build_name ('E', 'C', 'H', c), |
---|
238 | my_priority, |
---|
239 | 8*1024, |
---|
240 | RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0), |
---|
241 | RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL, |
---|
242 | &tid); |
---|
243 | if (sc != RTEMS_SUCCESSFUL) |
---|
244 | rtems_panic ("Can't create echo task; %s\n", rtems_status_text (sc)); |
---|
245 | if (c == 'z') |
---|
246 | c = 'a'; |
---|
247 | else |
---|
248 | c++; |
---|
249 | sc = rtems_task_start (tid, echoTask, s1); |
---|
250 | if (sc != RTEMS_SUCCESSFUL) |
---|
251 | rtems_panic ("Can't start echo task; %s\n", rtems_status_text (sc)); |
---|
252 | } |
---|
253 | } |
---|
254 | |
---|
255 | /* |
---|
256 | * Run an echo server |
---|
257 | */ |
---|
258 | static void |
---|
259 | runEchoServer (rtems_task_argument arg) |
---|
260 | { |
---|
261 | echoServer (arg); |
---|
262 | rtems_task_delete (RTEMS_SELF); |
---|
263 | } |
---|
264 | |
---|
265 | /* |
---|
266 | * Test some socket stuff |
---|
267 | */ |
---|
268 | void |
---|
269 | doSocket (void) |
---|
270 | { |
---|
271 | int i; |
---|
272 | rtems_status_code sc; |
---|
273 | rtems_task_priority my_priority; |
---|
274 | |
---|
275 | #if 1 |
---|
276 | /* |
---|
277 | * Spawn other servers |
---|
278 | */ |
---|
279 | rtems_task_set_priority (RTEMS_SELF, RTEMS_CURRENT_PRIORITY, &my_priority); |
---|
280 | for (i = 0 ; i < NSERVER ; i++) { |
---|
281 | rtems_id tid; |
---|
282 | sc = rtems_task_create (rtems_build_name ('S', 'R', 'V', 'A' + i), |
---|
283 | my_priority - 1, |
---|
284 | 8*1024, |
---|
285 | RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0), |
---|
286 | RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL, |
---|
287 | &tid); |
---|
288 | if (sc != RTEMS_SUCCESSFUL) { |
---|
289 | printf ("Can't create server; %s\n", rtems_status_text (sc)); |
---|
290 | return; |
---|
291 | } |
---|
292 | sc = rtems_task_start (tid, runEchoServer, BASE_PORT + i); |
---|
293 | if (sc != RTEMS_SUCCESSFUL) { |
---|
294 | printf ("Can't start server; %s\n", rtems_status_text (sc)); |
---|
295 | return; |
---|
296 | } |
---|
297 | } |
---|
298 | #endif |
---|
299 | |
---|
300 | /* |
---|
301 | * Wait for characters from console terminal |
---|
302 | */ |
---|
303 | for (;;) { |
---|
304 | switch (getchar ()) { |
---|
305 | case '\004': |
---|
306 | return; |
---|
307 | |
---|
308 | case 't': |
---|
309 | /* |
---|
310 | * Test the transmit queues |
---|
311 | */ |
---|
312 | transmitTcp (); |
---|
313 | break; |
---|
314 | |
---|
315 | case 'u': |
---|
316 | /* |
---|
317 | * Test the transmit queues |
---|
318 | */ |
---|
319 | transmitUdp (); |
---|
320 | break; |
---|
321 | |
---|
322 | case 's': |
---|
323 | showStatistics (); |
---|
324 | break; |
---|
325 | } |
---|
326 | } |
---|
327 | } |
---|