@samitouri / QOSamiQemu
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1 /*
2 * QEMU I/O channel sockets test
3 *
4 * Copyright (c) 2015-2016 Red Hat, Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 *
19 */
20
21 #include "qemu/osdep.h"
22 #include "io/channel-socket.h"
23 #include "io/channel-util.h"
24 #include "io-channel-helpers.h"
25 #include "socket-helpers.h"
26 #include "qapi/error.h"
27 #include "qemu/module.h"
28 #include "qemu/main-loop.h"
29
30
31 static void test_io_channel_set_socket_bufs(QIOChannel *src,
32 QIOChannel *dst)
33 {
34 int buflen = 64 * 1024;
35
36 /*
37 * Make the socket buffers small so that we see
38 * the effects of partial reads/writes
39 */
40 setsockopt(((QIOChannelSocket *)src)->fd,
41 SOL_SOCKET, SO_SNDBUF,
42 (char *)&buflen,
43 sizeof(buflen));
44
45 setsockopt(((QIOChannelSocket *)dst)->fd,
46 SOL_SOCKET, SO_SNDBUF,
47 (char *)&buflen,
48 sizeof(buflen));
49 }
50
51
52 static void test_io_channel_setup_sync(SocketAddress *listen_addr,
53 SocketAddress *connect_addr,
54 QIOChannel **srv,
55 QIOChannel **src,
56 QIOChannel **dst)
57 {
58 QIOChannelSocket *lioc;
59
60 lioc = qio_channel_socket_new();
61 qio_channel_socket_listen_sync(lioc, listen_addr, 1, &error_abort);
62
63 if (listen_addr->type == SOCKET_ADDRESS_TYPE_INET) {
64 SocketAddress *laddr = qio_channel_socket_get_local_address(
65 lioc, &error_abort);
66
67 g_free(connect_addr->u.inet.port);
68 connect_addr->u.inet.port = g_strdup(laddr->u.inet.port);
69
70 qapi_free_SocketAddress(laddr);
71 }
72
73 *src = QIO_CHANNEL(qio_channel_socket_new());
74 qio_channel_socket_connect_sync(
75 QIO_CHANNEL_SOCKET(*src), connect_addr, &error_abort);
76 qio_channel_set_delay(*src, false);
77
78 qio_channel_wait(QIO_CHANNEL(lioc), G_IO_IN);
79 *dst = QIO_CHANNEL(qio_channel_socket_accept(lioc, &error_abort));
80 g_assert(*dst);
81
82 test_io_channel_set_socket_bufs(*src, *dst);
83
84 *srv = QIO_CHANNEL(lioc);
85 }
86
87
88 struct TestIOChannelData {
89 bool err;
90 GMainLoop *loop;
91 };
92
93
94 static void test_io_channel_complete(QIOTask *task,
95 gpointer opaque)
96 {
97 struct TestIOChannelData *data = opaque;
98 data->err = qio_task_propagate_error(task, NULL);
99 g_main_loop_quit(data->loop);
100 }
101
102
103 static void test_io_channel_setup_async(SocketAddress *listen_addr,
104 SocketAddress *connect_addr,
105 QIOChannel **srv,
106 QIOChannel **src,
107 QIOChannel **dst)
108 {
109 QIOChannelSocket *lioc;
110 struct TestIOChannelData data;
111
112 data.loop = g_main_loop_new(g_main_context_default(),
113 TRUE);
114
115 lioc = qio_channel_socket_new();
116 qio_channel_socket_listen_async(
117 lioc, listen_addr, 1,
118 test_io_channel_complete, &data, NULL, NULL);
119
120 g_main_loop_run(data.loop);
121 g_main_context_iteration(g_main_context_default(), FALSE);
122
123 g_assert(!data.err);
124
125 if (listen_addr->type == SOCKET_ADDRESS_TYPE_INET) {
126 SocketAddress *laddr = qio_channel_socket_get_local_address(
127 lioc, &error_abort);
128
129 g_free(connect_addr->u.inet.port);
130 connect_addr->u.inet.port = g_strdup(laddr->u.inet.port);
131
132 qapi_free_SocketAddress(laddr);
133 }
134
135 *src = QIO_CHANNEL(qio_channel_socket_new());
136
137 qio_channel_socket_connect_async(
138 QIO_CHANNEL_SOCKET(*src), connect_addr,
139 test_io_channel_complete, &data, NULL, NULL);
140
141 g_main_loop_run(data.loop);
142 g_main_context_iteration(g_main_context_default(), FALSE);
143
144 g_assert(!data.err);
145
146 qio_channel_wait(QIO_CHANNEL(lioc), G_IO_IN);
147 *dst = QIO_CHANNEL(qio_channel_socket_accept(lioc, &error_abort));
148 g_assert(*dst);
149
150 qio_channel_set_delay(*src, false);
151 test_io_channel_set_socket_bufs(*src, *dst);
152
153 *srv = QIO_CHANNEL(lioc);
154
155 g_main_loop_unref(data.loop);
156 }
157
158
159 static void test_io_channel_socket_path_exists(SocketAddress *addr,
160 bool expectExists)
161 {
162 if (addr->type != SOCKET_ADDRESS_TYPE_UNIX) {
163 return;
164 }
165
166 g_assert(g_file_test(addr->u.q_unix.path,
167 G_FILE_TEST_EXISTS) == expectExists);
168 }
169
170
171 static void test_io_channel(bool async,
172 SocketAddress *listen_addr,
173 SocketAddress *connect_addr,
174 bool passFD)
175 {
176 QIOChannel *src, *dst, *srv;
177 QIOChannelTest *test;
178 if (async) {
179 test_io_channel_setup_async(listen_addr, connect_addr,
180 &srv, &src, &dst);
181
182 #ifndef _WIN32
183 g_assert(!passFD ||
184 qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
185 g_assert(!passFD ||
186 qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
187 #endif
188 g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_SHUTDOWN));
189 g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_SHUTDOWN));
190
191 test_io_channel_socket_path_exists(listen_addr, true);
192
193 test = qio_channel_test_new();
194 qio_channel_test_run_threads(test, true, src, dst);
195 qio_channel_test_validate(test);
196
197 test_io_channel_socket_path_exists(listen_addr, true);
198
199 /* unref without close, to ensure finalize() cleans up */
200
201 object_unref(OBJECT(src));
202 object_unref(OBJECT(dst));
203 test_io_channel_socket_path_exists(listen_addr, true);
204
205 object_unref(OBJECT(srv));
206 test_io_channel_socket_path_exists(listen_addr, false);
207
208 test_io_channel_setup_async(listen_addr, connect_addr,
209 &srv, &src, &dst);
210
211 #ifndef _WIN32
212 g_assert(!passFD ||
213 qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
214 g_assert(!passFD ||
215 qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
216 #endif
217 g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_SHUTDOWN));
218 g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_SHUTDOWN));
219
220 test = qio_channel_test_new();
221 qio_channel_test_run_threads(test, false, src, dst);
222 qio_channel_test_validate(test);
223
224 /* close before unref, to ensure finalize copes with already closed */
225
226 qio_channel_close(src, &error_abort);
227 qio_channel_close(dst, &error_abort);
228 test_io_channel_socket_path_exists(listen_addr, true);
229
230 object_unref(OBJECT(src));
231 object_unref(OBJECT(dst));
232 test_io_channel_socket_path_exists(listen_addr, true);
233
234 qio_channel_close(srv, &error_abort);
235 test_io_channel_socket_path_exists(listen_addr, false);
236
237 object_unref(OBJECT(srv));
238 test_io_channel_socket_path_exists(listen_addr, false);
239 } else {
240 test_io_channel_setup_sync(listen_addr, connect_addr,
241 &srv, &src, &dst);
242
243 #ifndef _WIN32
244 g_assert(!passFD ||
245 qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
246 g_assert(!passFD ||
247 qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
248 #endif
249 g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_SHUTDOWN));
250 g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_SHUTDOWN));
251
252 test_io_channel_socket_path_exists(listen_addr, true);
253
254 test = qio_channel_test_new();
255 qio_channel_test_run_threads(test, true, src, dst);
256 qio_channel_test_validate(test);
257
258 test_io_channel_socket_path_exists(listen_addr, true);
259
260 /* unref without close, to ensure finalize() cleans up */
261
262 object_unref(OBJECT(src));
263 object_unref(OBJECT(dst));
264 test_io_channel_socket_path_exists(listen_addr, true);
265
266 object_unref(OBJECT(srv));
267 test_io_channel_socket_path_exists(listen_addr, false);
268
269 test_io_channel_setup_sync(listen_addr, connect_addr,
270 &srv, &src, &dst);
271
272 #ifndef _WIN32
273 g_assert(!passFD ||
274 qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
275 g_assert(!passFD ||
276 qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
277 #endif
278 g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_SHUTDOWN));
279 g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_SHUTDOWN));
280
281 test = qio_channel_test_new();
282 qio_channel_test_run_threads(test, false, src, dst);
283 qio_channel_test_validate(test);
284
285 test_io_channel_socket_path_exists(listen_addr, true);
286
287 /* close before unref, to ensure finalize copes with already closed */
288
289 qio_channel_close(src, &error_abort);
290 qio_channel_close(dst, &error_abort);
291 test_io_channel_socket_path_exists(listen_addr, true);
292
293 object_unref(OBJECT(src));
294 object_unref(OBJECT(dst));
295 test_io_channel_socket_path_exists(listen_addr, true);
296
297 qio_channel_close(srv, &error_abort);
298 test_io_channel_socket_path_exists(listen_addr, false);
299
300 object_unref(OBJECT(srv));
301 test_io_channel_socket_path_exists(listen_addr, false);
302 }
303 }
304
305
306 static void test_io_channel_ipv4(bool async)
307 {
308 SocketAddress *listen_addr = g_new0(SocketAddress, 1);
309 SocketAddress *connect_addr = g_new0(SocketAddress, 1);
310
311 listen_addr->type = SOCKET_ADDRESS_TYPE_INET;
312 listen_addr->u.inet = (InetSocketAddress) {
313 .host = g_strdup("127.0.0.1"),
314 .port = NULL, /* Auto-select */
315 };
316
317 connect_addr->type = SOCKET_ADDRESS_TYPE_INET;
318 connect_addr->u.inet = (InetSocketAddress) {
319 .host = g_strdup("127.0.0.1"),
320 .port = NULL, /* Filled in later */
321 };
322
323 test_io_channel(async, listen_addr, connect_addr, false);
324
325 qapi_free_SocketAddress(listen_addr);
326 qapi_free_SocketAddress(connect_addr);
327 }
328
329
330 static void test_io_channel_ipv4_sync(void)
331 {
332 return test_io_channel_ipv4(false);
333 }
334
335
336 static void test_io_channel_ipv4_async(void)
337 {
338 return test_io_channel_ipv4(true);
339 }
340
341
342 static void test_io_channel_ipv6(bool async)
343 {
344 SocketAddress *listen_addr = g_new0(SocketAddress, 1);
345 SocketAddress *connect_addr = g_new0(SocketAddress, 1);
346
347 listen_addr->type = SOCKET_ADDRESS_TYPE_INET;
348 listen_addr->u.inet = (InetSocketAddress) {
349 .host = g_strdup("::1"),
350 .port = NULL, /* Auto-select */
351 };
352
353 connect_addr->type = SOCKET_ADDRESS_TYPE_INET;
354 connect_addr->u.inet = (InetSocketAddress) {
355 .host = g_strdup("::1"),
356 .port = NULL, /* Filled in later */
357 };
358
359 test_io_channel(async, listen_addr, connect_addr, false);
360
361 qapi_free_SocketAddress(listen_addr);
362 qapi_free_SocketAddress(connect_addr);
363 }
364
365
366 static void test_io_channel_ipv6_sync(void)
367 {
368 return test_io_channel_ipv6(false);
369 }
370
371
372 static void test_io_channel_ipv6_async(void)
373 {
374 return test_io_channel_ipv6(true);
375 }
376
377
378 static void test_io_channel_unix(bool async)
379 {
380 SocketAddress *listen_addr = g_new0(SocketAddress, 1);
381 SocketAddress *connect_addr = g_new0(SocketAddress, 1);
382
383 #define TEST_SOCKET "test-io-channel-socket.sock"
384 listen_addr->type = SOCKET_ADDRESS_TYPE_UNIX;
385 listen_addr->u.q_unix.path = g_strdup(TEST_SOCKET);
386
387 connect_addr->type = SOCKET_ADDRESS_TYPE_UNIX;
388 connect_addr->u.q_unix.path = g_strdup(TEST_SOCKET);
389
390 test_io_channel(async, listen_addr, connect_addr, true);
391
392 qapi_free_SocketAddress(listen_addr);
393 qapi_free_SocketAddress(connect_addr);
394 }
395
396
397 static void test_io_channel_unix_sync(void)
398 {
399 return test_io_channel_unix(false);
400 }
401
402
403 static void test_io_channel_unix_async(void)
404 {
405 return test_io_channel_unix(true);
406 }
407
408 #ifndef _WIN32
409 static void test_io_channel_unix_fd_pass(void)
410 {
411 SocketAddress *listen_addr = g_new0(SocketAddress, 1);
412 SocketAddress *connect_addr = g_new0(SocketAddress, 1);
413 QIOChannel *src, *dst, *srv;
414 int testfd;
415 int fdsend[3];
416 int *fdrecv = NULL;
417 size_t nfdrecv = 0;
418 size_t i;
419 char bufsend[12], bufrecv[12];
420 struct iovec iosend[1], iorecv[1];
421
422 #define TEST_SOCKET "test-io-channel-socket.sock"
423 #define TEST_FILE "test-io-channel-socket.txt"
424
425 testfd = open(TEST_FILE, O_RDWR|O_TRUNC|O_CREAT, 0700);
426 g_assert(testfd != -1);
427 fdsend[0] = testfd;
428 fdsend[1] = testfd;
429 fdsend[2] = testfd;
430
431 listen_addr->type = SOCKET_ADDRESS_TYPE_UNIX;
432 listen_addr->u.q_unix.path = g_strdup(TEST_SOCKET);
433
434 connect_addr->type = SOCKET_ADDRESS_TYPE_UNIX;
435 connect_addr->u.q_unix.path = g_strdup(TEST_SOCKET);
436
437 test_io_channel_setup_sync(listen_addr, connect_addr, &srv, &src, &dst);
438
439 memcpy(bufsend, "Hello World", G_N_ELEMENTS(bufsend));
440
441 iosend[0].iov_base = bufsend;
442 iosend[0].iov_len = G_N_ELEMENTS(bufsend);
443
444 iorecv[0].iov_base = bufrecv;
445 iorecv[0].iov_len = G_N_ELEMENTS(bufrecv);
446
447 g_assert(qio_channel_has_feature(src, QIO_CHANNEL_FEATURE_FD_PASS));
448 g_assert(qio_channel_has_feature(dst, QIO_CHANNEL_FEATURE_FD_PASS));
449
450 qio_channel_writev_full(src,
451 iosend,
452 G_N_ELEMENTS(iosend),
453 fdsend,
454 G_N_ELEMENTS(fdsend),
455 0,
456 &error_abort);
457
458 qio_channel_readv_full(dst,
459 iorecv,
460 G_N_ELEMENTS(iorecv),
461 &fdrecv,
462 &nfdrecv,
463 0,
464 &error_abort);
465
466 g_assert(nfdrecv == G_N_ELEMENTS(fdsend));
467 /* Each recvd FD should be different from sent FD */
468 for (i = 0; i < nfdrecv; i++) {
469 g_assert_cmpint(fdrecv[i], !=, testfd);
470 }
471 /* Each recvd FD should be different from each other */
472 g_assert_cmpint(fdrecv[0], !=, fdrecv[1]);
473 g_assert_cmpint(fdrecv[0], !=, fdrecv[2]);
474 g_assert_cmpint(fdrecv[1], !=, fdrecv[2]);
475
476 /* Check the I/O buf we sent at the same time matches */
477 g_assert(memcmp(bufsend, bufrecv, G_N_ELEMENTS(bufsend)) == 0);
478
479 /* Write some data into the FD we received */
480 g_assert(write(fdrecv[0], bufsend, G_N_ELEMENTS(bufsend)) ==
481 G_N_ELEMENTS(bufsend));
482
483 /* Read data from the original FD and make sure it matches */
484 memset(bufrecv, 0, G_N_ELEMENTS(bufrecv));
485 g_assert(lseek(testfd, 0, SEEK_SET) == 0);
486 g_assert(read(testfd, bufrecv, G_N_ELEMENTS(bufrecv)) ==
487 G_N_ELEMENTS(bufrecv));
488 g_assert(memcmp(bufsend, bufrecv, G_N_ELEMENTS(bufsend)) == 0);
489
490 object_unref(OBJECT(src));
491 object_unref(OBJECT(dst));
492 object_unref(OBJECT(srv));
493 qapi_free_SocketAddress(listen_addr);
494 qapi_free_SocketAddress(connect_addr);
495 unlink(TEST_SOCKET);
496 unlink(TEST_FILE);
497 close(testfd);
498 for (i = 0; i < nfdrecv; i++) {
499 close(fdrecv[i]);
500 }
501 g_free(fdrecv);
502 }
503 #endif /* _WIN32 */
504
505 static void test_io_channel_unix_listen_cleanup(void)
506 {
507 QIOChannelSocket *ioc;
508 struct sockaddr_un un;
509 int sock, ret = 0;
510
511 #define TEST_SOCKET "test-io-channel-socket.sock"
512
513 ioc = qio_channel_socket_new();
514
515 /* Manually bind ioc without calling the qio api to avoid setting
516 * the LISTEN feature */
517 sock = qemu_socket(PF_UNIX, SOCK_STREAM, 0);
518 memset(&un, 0, sizeof(un));
519 un.sun_family = AF_UNIX;
520 snprintf(un.sun_path, sizeof(un.sun_path), "%s", TEST_SOCKET);
521 unlink(TEST_SOCKET);
522 ret = bind(sock, (struct sockaddr *)&un, sizeof(un));
523 g_assert_cmpint(ret, ==, 0);
524
525 ioc->fd = sock;
526 ioc->localAddrLen = sizeof(ioc->localAddr);
527 getsockname(sock, (struct sockaddr *)&ioc->localAddr,
528 &ioc->localAddrLen);
529
530 g_assert(g_file_test(TEST_SOCKET, G_FILE_TEST_EXISTS));
531 object_unref(OBJECT(ioc));
532 g_assert(g_file_test(TEST_SOCKET, G_FILE_TEST_EXISTS));
533
534 unlink(TEST_SOCKET);
535 }
536
537 static void test_io_channel_ipv4_fd(void)
538 {
539 QIOChannel *ioc;
540 int fd = -1;
541 struct sockaddr_in sa = {
542 .sin_family = AF_INET,
543 .sin_addr = {
544 .s_addr = htonl(INADDR_LOOPBACK),
545 }
546 /* Leave port unset for auto-assign */
547 };
548 socklen_t salen = sizeof(sa);
549
550 fd = socket(AF_INET, SOCK_STREAM, 0);
551 g_assert_cmpint(fd, >, -1);
552
553 g_assert_cmpint(bind(fd, (struct sockaddr *)&sa, salen), ==, 0);
554
555 ioc = qio_channel_new_fd(fd, &error_abort);
556
557 g_assert_cmpstr(object_get_typename(OBJECT(ioc)),
558 ==,
559 TYPE_QIO_CHANNEL_SOCKET);
560
561 object_unref(OBJECT(ioc));
562 }
563
564
565 int main(int argc, char **argv)
566 {
567 bool has_ipv4, has_ipv6, has_afunix;
568
569 module_call_init(MODULE_INIT_QOM);
570 qemu_init_main_loop(&error_abort);
571 socket_init();
572
573 g_test_init(&argc, &argv, NULL);
574
575 /* We're creating actual IPv4/6 sockets, so we should
576 * check if the host running tests actually supports
577 * each protocol to avoid breaking tests on machines
578 * with either IPv4 or IPv6 disabled.
579 */
580 if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) {
581 g_printerr("socket_check_protocol_support() failed\n");
582 goto end;
583 }
584
585 if (has_ipv4) {
586 g_test_add_func("/io/channel/socket/ipv4-sync",
587 test_io_channel_ipv4_sync);
588 g_test_add_func("/io/channel/socket/ipv4-async",
589 test_io_channel_ipv4_async);
590 g_test_add_func("/io/channel/socket/ipv4-fd",
591 test_io_channel_ipv4_fd);
592 }
593 if (has_ipv6) {
594 g_test_add_func("/io/channel/socket/ipv6-sync",
595 test_io_channel_ipv6_sync);
596 g_test_add_func("/io/channel/socket/ipv6-async",
597 test_io_channel_ipv6_async);
598 }
599
600 socket_check_afunix_support(&has_afunix);
601 if (has_afunix) {
602 g_test_add_func("/io/channel/socket/unix-sync",
603 test_io_channel_unix_sync);
604 g_test_add_func("/io/channel/socket/unix-async",
605 test_io_channel_unix_async);
606 #ifndef _WIN32
607 g_test_add_func("/io/channel/socket/unix-fd-pass",
608 test_io_channel_unix_fd_pass);
609 #endif
610 g_test_add_func("/io/channel/socket/unix-listen-cleanup",
611 test_io_channel_unix_listen_cleanup);
612 }
613
614 end:
615 return g_test_run();
616 }