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af84dfb5 GE |
1 | /*************************************************************************** |
2 | * Copyright (C) 2004 by Intra2net AG * | |
3 | * info@intra2net.com * | |
4 | * * | |
5 | ***************************************************************************/ | |
6 | ||
7 | #include <sys/types.h> | |
8 | #include <unistd.h> | |
9 | #include <errno.h> | |
10 | #include <signal.h> | |
11 | #include <stdio.h> | |
4c3662a0 | 12 | #include <time.h> |
af84dfb5 GE |
13 | |
14 | #include <iostream> | |
15 | #include <string> | |
16 | #include <sstream> | |
17 | #include <stdexcept> | |
18 | ||
19 | #include <cppunit/extensions/TestFactoryRegistry.h> | |
20 | #include <cppunit/ui/text/TestRunner.h> | |
21 | #include <cppunit/extensions/HelperMacros.h> | |
22 | ||
23 | #include <socket_client.hxx> | |
24 | #include <socket_server.hxx> | |
25 | ||
26 | #ifdef HAVE_CONFIG_H | |
27 | #include <config.h> | |
28 | #endif | |
29 | ||
30 | using namespace std; | |
31 | using namespace libt2n; | |
32 | using namespace CppUnit; | |
33 | ||
34 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! | |
35 | class real_write_connection: public socket_server_connection | |
36 | { | |
37 | public: | |
38 | void real_write(const std::string& data) | |
39 | { socket_write(data); } | |
40 | }; | |
41 | ||
42 | class test_reconnect : public TestFixture | |
43 | { | |
44 | CPPUNIT_TEST_SUITE(test_reconnect); | |
45 | ||
46 | CPPUNIT_TEST(simple_reconnect); | |
47 | CPPUNIT_TEST(reconnect_with_close); | |
48 | CPPUNIT_TEST(reconnect_buffer_complete); | |
49 | CPPUNIT_TEST(reconnect_buffer_several_complete); | |
50 | CPPUNIT_TEST(reconnect_buffer_no_incomplete1); | |
51 | CPPUNIT_TEST(reconnect_buffer_no_incomplete2); | |
52 | ||
53 | CPPUNIT_TEST_SUITE_END(); | |
54 | ||
55 | public: | |
56 | ||
57 | void setUp() | |
58 | { } | |
59 | ||
60 | void tearDown() | |
61 | { } | |
62 | ||
63 | void send_raw_socket(string hello_string, socket_server* ss, int conn_id) | |
64 | { | |
65 | socket_server_connection *ssc=dynamic_cast<socket_server_connection*>(ss->get_connection(conn_id)); | |
66 | ||
67 | // this is an evil hack to get access to real_write, don't ever do this in an app!!! | |
68 | real_write_connection *rwc=(real_write_connection*)ssc; | |
69 | rwc->real_write(hello_string); | |
70 | } | |
71 | ||
72 | void simple_reconnect() | |
73 | { | |
74 | pid_t pid; | |
75 | ||
76 | switch(pid=fork()) | |
77 | { | |
78 | case -1: | |
79 | { | |
80 | CPPUNIT_FAIL("fork error"); | |
81 | break; | |
82 | } | |
83 | case 0: | |
84 | // child | |
85 | { | |
86 | socket_server ss("./socket"); | |
87 | ||
88 | time_t t0 = time(NULL); | |
89 | ||
90 | // max 10 sec | |
91 | while (time(NULL) < t0 + 10 ) | |
92 | { | |
93 | ss.fill_buffer(1000000); | |
94 | ||
95 | string data; | |
96 | unsigned int cid; | |
97 | ||
98 | if(ss.get_packet(data,cid)) | |
99 | { | |
100 | server_connection* con=ss.get_connection(cid); | |
101 | ||
102 | if (data=="QUIT") | |
103 | break; | |
104 | ||
105 | if (data=="x") | |
106 | con->write(string().insert(0,100,'X')); | |
107 | else | |
108 | con->write(string().insert(0,100,'Y')); | |
109 | } | |
110 | } | |
111 | ||
112 | // don't call atexit and stuff | |
113 | _exit(0); | |
114 | } | |
115 | ||
116 | default: | |
117 | // parent | |
118 | { | |
119 | // don't kill us on broken pipe | |
120 | signal(SIGPIPE, SIG_IGN); | |
121 | ||
122 | // wait till server is up | |
123 | sleep(1); | |
124 | socket_client_connection sc("./socket"); | |
125 | ||
126 | sc.write("abc"); | |
127 | ||
128 | string data; | |
129 | ||
130 | while (!sc.get_packet(data)) | |
131 | sc.fill_buffer(1000000); | |
132 | ||
133 | sc.reconnect(); | |
134 | ||
135 | sc.write("x"); | |
136 | ||
137 | while (!sc.get_packet(data)) | |
138 | sc.fill_buffer(1000000); | |
139 | ||
140 | CPPUNIT_ASSERT_EQUAL(string().insert(0,100,'X'),data); | |
141 | } | |
142 | } | |
143 | } | |
144 | ||
145 | void reconnect_with_close() | |
146 | { | |
147 | pid_t pid; | |
148 | ||
149 | switch(pid=fork()) | |
150 | { | |
151 | case -1: | |
152 | { | |
153 | CPPUNIT_FAIL("fork error"); | |
154 | break; | |
155 | } | |
156 | case 0: | |
157 | // child | |
158 | { | |
159 | socket_server ss("./socket"); | |
160 | ||
161 | time_t t0 = time(NULL); | |
162 | ||
163 | // max 10 sec | |
164 | while (time(NULL) < t0 + 10 ) | |
165 | { | |
166 | ss.fill_buffer(1000000); | |
167 | ||
168 | string data; | |
169 | unsigned int cid; | |
170 | ||
171 | if(ss.get_packet(data,cid)) | |
172 | { | |
173 | server_connection* con=ss.get_connection(cid); | |
174 | ||
175 | if (data=="QUIT") | |
176 | break; | |
177 | ||
178 | if (data=="x") | |
179 | con->write(string().insert(0,100,'X')); | |
180 | else | |
181 | con->write(string().insert(0,100,'Y')); | |
182 | } | |
183 | } | |
184 | ||
185 | // don't call atexit and stuff | |
186 | _exit(0); | |
187 | } | |
188 | ||
189 | default: | |
190 | // parent | |
191 | { | |
192 | // don't kill us on broken pipe | |
193 | signal(SIGPIPE, SIG_IGN); | |
194 | ||
195 | // wait till server is up | |
196 | sleep(1); | |
197 | socket_client_connection sc("./socket"); | |
198 | ||
199 | sc.write("abc"); | |
200 | ||
201 | string data; | |
202 | ||
203 | while (!sc.get_packet(data)) | |
204 | sc.fill_buffer(1000000); | |
205 | ||
206 | sc.close(); | |
207 | ||
208 | // empty buffer | |
209 | sc.get_packet(data); | |
210 | ||
211 | sc.reconnect(); | |
212 | ||
213 | sc.write("x"); | |
214 | ||
215 | while (!sc.get_packet(data)) | |
216 | sc.fill_buffer(1000000); | |
217 | ||
218 | CPPUNIT_ASSERT_EQUAL(string().insert(0,100,'X'),data); | |
219 | } | |
220 | } | |
221 | } | |
222 | ||
223 | void reconnect_buffer_complete() | |
224 | { | |
225 | pid_t pid; | |
226 | ||
227 | switch(pid=fork()) | |
228 | { | |
229 | case -1: | |
230 | { | |
231 | CPPUNIT_FAIL("fork error"); | |
232 | break; | |
233 | } | |
234 | case 0: | |
235 | // child | |
236 | { | |
237 | socket_server ss("./socket"); | |
238 | ||
239 | time_t t0 = time(NULL); | |
240 | ||
241 | // max 10 sec | |
242 | while (time(NULL) < t0 + 10 ) | |
243 | { | |
244 | ss.fill_buffer(1000000); | |
245 | ||
246 | string data; | |
247 | unsigned int cid; | |
248 | ||
249 | if(ss.get_packet(data,cid)) | |
250 | { | |
251 | server_connection* con=ss.get_connection(cid); | |
252 | ||
253 | if (data=="QUIT") | |
254 | break; | |
255 | ||
256 | if (data=="x") | |
257 | con->write(string().insert(0,100,'X')); | |
258 | } | |
259 | } | |
260 | ||
261 | // don't call atexit and stuff | |
262 | _exit(0); | |
263 | } | |
264 | ||
265 | default: | |
266 | // parent | |
267 | { | |
268 | // don't kill us on broken pipe | |
269 | signal(SIGPIPE, SIG_IGN); | |
270 | ||
271 | // wait till server is up | |
272 | sleep(1); | |
273 | socket_client_connection sc("./socket"); | |
274 | ||
275 | sc.write("x"); | |
276 | ||
277 | string data; | |
278 | ||
279 | while (!sc.packet_available()) | |
280 | sc.fill_buffer(1000000); | |
281 | ||
282 | sc.reconnect(); | |
283 | ||
284 | CPPUNIT_ASSERT_EQUAL_MESSAGE("packet not there",true,sc.get_packet(data)); | |
285 | ||
286 | CPPUNIT_ASSERT_EQUAL_MESSAGE("data incorrect",string().insert(0,100,'X'),data); | |
287 | } | |
288 | } | |
289 | } | |
290 | ||
291 | void reconnect_buffer_several_complete() | |
292 | { | |
293 | pid_t pid; | |
294 | ||
295 | const int packets=3; | |
296 | ||
297 | switch(pid=fork()) | |
298 | { | |
299 | case -1: | |
300 | { | |
301 | CPPUNIT_FAIL("fork error"); | |
302 | break; | |
303 | } | |
304 | case 0: | |
305 | // child | |
306 | { | |
307 | socket_server ss("./socket"); | |
308 | ||
309 | time_t t0 = time(NULL); | |
310 | ||
311 | // max 10 sec | |
312 | while (time(NULL) < t0 + 10 ) | |
313 | { | |
314 | ss.fill_buffer(1000000); | |
315 | ||
316 | string data; | |
317 | unsigned int cid; | |
318 | ||
319 | if(ss.get_packet(data,cid)) | |
320 | { | |
321 | server_connection* con=ss.get_connection(cid); | |
322 | ||
323 | if (data=="QUIT") | |
324 | break; | |
325 | ||
326 | if (data=="x") | |
327 | { | |
328 | for (int i=0; i<packets; i++) | |
329 | con->write(string().insert(0,100,'X')); | |
330 | } | |
331 | } | |
332 | } | |
333 | ||
334 | // don't call atexit and stuff | |
335 | _exit(0); | |
336 | } | |
337 | ||
338 | default: | |
339 | // parent | |
340 | { | |
341 | // don't kill us on broken pipe | |
342 | signal(SIGPIPE, SIG_IGN); | |
343 | ||
344 | // wait till server is up | |
345 | sleep(1); | |
346 | socket_client_connection sc("./socket"); | |
347 | ||
348 | sc.write("x"); | |
349 | ||
350 | // retrieve packets for 3 seconds | |
351 | time_t t0 = time(NULL); | |
352 | ||
353 | // max 3 sec | |
354 | while (time(NULL) < t0 + 3 ) | |
355 | sc.fill_buffer(1000000); | |
356 | ||
357 | // we now should have packets complete packets in the buffer | |
358 | ||
359 | sc.reconnect(); | |
360 | ||
361 | // are these packets still there? | |
362 | ||
363 | for (int i=0; i < packets; i++) | |
364 | { | |
365 | string data; | |
366 | ||
367 | ostringstream os; | |
368 | os << "packet " << i << " not there"; | |
369 | ||
370 | CPPUNIT_ASSERT_EQUAL_MESSAGE(os.str(),true,sc.get_packet(data)); | |
371 | ||
372 | os.str(""); | |
373 | os << "packet " << i << " incorrect"; | |
374 | ||
375 | CPPUNIT_ASSERT_EQUAL_MESSAGE(os.str(),string().insert(0,100,'X'),data); | |
376 | } | |
377 | } | |
378 | } | |
379 | } | |
380 | ||
381 | void reconnect_buffer_no_incomplete1() | |
382 | { | |
383 | pid_t pid; | |
384 | ||
385 | switch(pid=fork()) | |
386 | { | |
387 | case -1: | |
388 | { | |
389 | CPPUNIT_FAIL("fork error"); | |
390 | break; | |
391 | } | |
392 | case 0: | |
393 | // child | |
394 | { | |
395 | socket_server ss("./socket"); | |
396 | ||
397 | time_t t0 = time(NULL); | |
398 | ||
399 | // max 10 sec | |
400 | while (time(NULL) < t0 + 10 ) | |
401 | { | |
402 | ss.fill_buffer(1000000); | |
403 | ||
404 | string data; | |
405 | unsigned int cid; | |
406 | ||
407 | if(ss.get_packet(data,cid)) | |
408 | { | |
409 | server_connection* con=ss.get_connection(cid); | |
410 | ||
411 | if (data=="QUIT") | |
412 | break; | |
413 | ||
414 | if (data=="x") | |
415 | { | |
416 | con->write(string().insert(0,100,'X')); | |
417 | send_raw_socket("aaaab",&ss,cid); | |
418 | } | |
419 | } | |
420 | } | |
421 | ||
422 | // don't call atexit and stuff | |
423 | _exit(0); | |
424 | } | |
425 | ||
426 | default: | |
427 | // parent | |
428 | { | |
429 | // don't kill us on broken pipe | |
430 | signal(SIGPIPE, SIG_IGN); | |
431 | ||
432 | // wait till server is up | |
433 | sleep(1); | |
434 | socket_client_connection sc("./socket"); | |
435 | ||
436 | sc.write("x"); | |
437 | ||
438 | // retrieve packets for 3 seconds | |
439 | time_t t0 = time(NULL); | |
440 | ||
441 | // max 3 sec | |
442 | while (time(NULL) < t0 + 3 ) | |
443 | sc.fill_buffer(1000000); | |
444 | ||
445 | // we now should have one complete packet and some stuff in the buffer | |
446 | ||
447 | string data; | |
448 | sc.get_packet(data); | |
449 | ||
450 | CPPUNIT_ASSERT_EQUAL_MESSAGE("no incomplete packet",true,(sc.peek_packet(data))>0); | |
451 | ||
452 | sc.reconnect(); | |
453 | ||
454 | CPPUNIT_ASSERT_EQUAL_MESSAGE("incomplete packet not removed",0,(int)sc.peek_packet(data)); | |
455 | } | |
456 | } | |
457 | } | |
458 | ||
459 | void reconnect_buffer_no_incomplete2() | |
460 | { | |
461 | pid_t pid; | |
462 | ||
463 | switch(pid=fork()) | |
464 | { | |
465 | case -1: | |
466 | { | |
467 | CPPUNIT_FAIL("fork error"); | |
468 | break; | |
469 | } | |
470 | case 0: | |
471 | // child | |
472 | { | |
473 | socket_server ss("./socket"); | |
474 | ||
475 | time_t t0 = time(NULL); | |
476 | ||
477 | // max 10 sec | |
478 | while (time(NULL) < t0 + 10 ) | |
479 | { | |
480 | ss.fill_buffer(1000000); | |
481 | ||
482 | string data; | |
483 | unsigned int cid; | |
484 | ||
485 | if(ss.get_packet(data,cid)) | |
486 | { | |
487 | server_connection* con=ss.get_connection(cid); | |
488 | ||
489 | if (data=="QUIT") | |
490 | break; | |
491 | ||
492 | if (data=="x") | |
493 | { | |
494 | con->write(string().insert(0,100,'X')); | |
495 | ||
496 | string blob=string().insert(0,100,'Y'); | |
497 | ||
498 | // one byte will be missing... | |
499 | int size=blob.size()+1; | |
500 | char sizetransfer[sizeof(int)+1]; | |
501 | memcpy(sizetransfer,(void*)&size,sizeof(int)); | |
502 | sizetransfer[sizeof(int)+1]=0; | |
503 | ||
504 | string packet=string(sizetransfer)+blob; | |
505 | ||
506 | send_raw_socket(packet,&ss,cid); | |
507 | } | |
508 | } | |
509 | } | |
510 | ||
511 | // don't call atexit and stuff | |
512 | _exit(0); | |
513 | } | |
514 | ||
515 | default: | |
516 | // parent | |
517 | { | |
518 | // don't kill us on broken pipe | |
519 | signal(SIGPIPE, SIG_IGN); | |
520 | ||
521 | // wait till server is up | |
522 | sleep(1); | |
523 | socket_client_connection sc("./socket"); | |
524 | ||
525 | sc.write("x"); | |
526 | ||
527 | // retrieve packets for 3 seconds | |
528 | time_t t0 = time(NULL); | |
529 | ||
530 | // max 3 sec | |
531 | while (time(NULL) < t0 + 3 ) | |
532 | sc.fill_buffer(1000000); | |
533 | ||
534 | // we now should have one complete packet and some stuff in the buffer | |
535 | ||
536 | sc.reconnect(); | |
537 | ||
538 | string data; | |
539 | ||
540 | CPPUNIT_ASSERT_EQUAL_MESSAGE("packet not there",true,sc.get_packet(data)); | |
541 | CPPUNIT_ASSERT_EQUAL_MESSAGE("data incorrect",string().insert(0,100,'X'),data); | |
542 | ||
543 | CPPUNIT_ASSERT_EQUAL_MESSAGE("incomplete packet not removed",0,(int)sc.peek_packet(data)); | |
544 | } | |
545 | } | |
546 | } | |
547 | ||
548 | }; | |
549 | ||
550 | CPPUNIT_TEST_SUITE_REGISTRATION(test_reconnect); |