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