1 #include "qemu/osdep.h"
2 #include <glib/gstdio.h>
4 #include "qemu/config-file.h"
5 #include "qemu/module.h"
6 #include "qemu/option.h"
7 #include "qemu/sockets.h"
8 #include "chardev/char-fe.h"
9 #include "sysemu/sysemu.h"
10 #include "qapi/error.h"
11 #include "qapi/qapi-commands-char.h"
12 #include "qapi/qmp/qdict.h"
13 #include "qom/qom-qobject.h"
14 #include "io/channel-socket.h"
15 #include "qapi/qobject-input-visitor.h"
16 #include "qapi/qapi-visit-sockets.h"
17 #include "socket-helpers.h"
21 typedef struct FeHandler
{
25 bool openclose_mismatch
;
30 static void main_loop(void)
34 main_loop_wait(false);
38 static int fe_can_read(void *opaque
)
40 FeHandler
*h
= opaque
;
42 return sizeof(h
->read_buf
) - h
->read_count
;
45 static void fe_read(void *opaque
, const uint8_t *buf
, int size
)
47 FeHandler
*h
= opaque
;
49 g_assert_cmpint(size
, <=, fe_can_read(opaque
));
51 memcpy(h
->read_buf
+ h
->read_count
, buf
, size
);
52 h
->read_count
+= size
;
56 static void fe_event(void *opaque
, QEMUChrEvent event
)
58 FeHandler
*h
= opaque
;
61 h
->last_event
= event
;
65 case CHR_EVENT_OPENED
:
66 case CHR_EVENT_CLOSED
:
68 new_open_state
= (event
== CHR_EVENT_OPENED
);
69 if (h
->is_open
== new_open_state
) {
70 h
->openclose_mismatch
= true;
72 h
->is_open
= new_open_state
;
81 static void char_console_test_subprocess(void)
86 opts
= qemu_opts_create(qemu_find_opts("chardev"), "console-label",
88 qemu_opt_set(opts
, "backend", "console", &error_abort
);
90 chr
= qemu_chr_new_from_opts(opts
, NULL
, NULL
);
91 g_assert_nonnull(chr
);
93 qemu_chr_write_all(chr
, (const uint8_t *)"CONSOLE", 7);
96 object_unparent(OBJECT(chr
));
99 static void char_console_test(void)
101 g_test_trap_subprocess("/char/console/subprocess", 0, 0);
102 g_test_trap_assert_passed();
103 g_test_trap_assert_stdout("CONSOLE");
106 static void char_stdio_test_subprocess(void)
112 chr
= qemu_chr_new("label", "stdio", NULL
);
113 g_assert_nonnull(chr
);
115 qemu_chr_fe_init(&be
, chr
, &error_abort
);
116 qemu_chr_fe_set_open(&be
, true);
117 ret
= qemu_chr_fe_write(&be
, (void *)"buf", 4);
118 g_assert_cmpint(ret
, ==, 4);
120 qemu_chr_fe_deinit(&be
, true);
123 static void char_stdio_test(void)
125 g_test_trap_subprocess("/char/stdio/subprocess", 0, 0);
126 g_test_trap_assert_passed();
127 g_test_trap_assert_stdout("buf");
130 static void char_ringbuf_test(void)
138 opts
= qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
140 qemu_opt_set(opts
, "backend", "ringbuf", &error_abort
);
142 qemu_opt_set(opts
, "size", "5", &error_abort
);
143 chr
= qemu_chr_new_from_opts(opts
, NULL
, NULL
);
147 opts
= qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label",
149 qemu_opt_set(opts
, "backend", "ringbuf", &error_abort
);
150 qemu_opt_set(opts
, "size", "2", &error_abort
);
151 chr
= qemu_chr_new_from_opts(opts
, NULL
, &error_abort
);
152 g_assert_nonnull(chr
);
155 qemu_chr_fe_init(&be
, chr
, &error_abort
);
156 ret
= qemu_chr_fe_write(&be
, (void *)"buff", 4);
157 g_assert_cmpint(ret
, ==, 4);
159 data
= qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort
);
160 g_assert_cmpstr(data
, ==, "ff");
163 data
= qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort
);
164 g_assert_cmpstr(data
, ==, "");
167 qemu_chr_fe_deinit(&be
, true);
170 opts
= qemu_opts_create(qemu_find_opts("chardev"), "memory-label",
172 qemu_opt_set(opts
, "backend", "memory", &error_abort
);
173 qemu_opt_set(opts
, "size", "2", &error_abort
);
174 chr
= qemu_chr_new_from_opts(opts
, NULL
, NULL
);
175 g_assert_nonnull(chr
);
176 object_unparent(OBJECT(chr
));
180 static void char_mux_test(void)
185 FeHandler h1
= { 0, false, 0, false, }, h2
= { 0, false, 0, false, };
186 CharBackend chr_be1
, chr_be2
;
188 opts
= qemu_opts_create(qemu_find_opts("chardev"), "mux-label",
190 qemu_opt_set(opts
, "backend", "ringbuf", &error_abort
);
191 qemu_opt_set(opts
, "size", "128", &error_abort
);
192 qemu_opt_set(opts
, "mux", "on", &error_abort
);
193 chr
= qemu_chr_new_from_opts(opts
, NULL
, &error_abort
);
194 g_assert_nonnull(chr
);
197 qemu_chr_fe_init(&chr_be1
, chr
, &error_abort
);
198 qemu_chr_fe_set_handlers(&chr_be1
,
206 qemu_chr_fe_init(&chr_be2
, chr
, &error_abort
);
207 qemu_chr_fe_set_handlers(&chr_be2
,
214 qemu_chr_fe_take_focus(&chr_be2
);
216 base
= qemu_chr_find("mux-label-base");
217 g_assert_cmpint(qemu_chr_be_can_write(base
), !=, 0);
219 qemu_chr_be_write(base
, (void *)"hello", 6);
220 g_assert_cmpint(h1
.read_count
, ==, 0);
221 g_assert_cmpint(h2
.read_count
, ==, 6);
222 g_assert_cmpstr(h2
.read_buf
, ==, "hello");
225 g_assert_cmpint(h1
.last_event
, !=, 42); /* should be MUX_OUT or OPENED */
226 g_assert_cmpint(h2
.last_event
, !=, 42); /* should be MUX_IN or OPENED */
227 /* sending event on the base broadcast to all fe, historical reasons? */
228 qemu_chr_be_event(base
, 42);
229 g_assert_cmpint(h1
.last_event
, ==, 42);
230 g_assert_cmpint(h2
.last_event
, ==, 42);
231 qemu_chr_be_event(chr
, -1);
232 g_assert_cmpint(h1
.last_event
, ==, 42);
233 g_assert_cmpint(h2
.last_event
, ==, -1);
236 qemu_chr_be_write(base
, (void *)"\1b", 2);
237 g_assert_cmpint(h1
.last_event
, ==, 42);
238 g_assert_cmpint(h2
.last_event
, ==, CHR_EVENT_BREAK
);
240 qemu_chr_be_write(base
, (void *)"\1c", 2);
241 g_assert_cmpint(h1
.last_event
, ==, CHR_EVENT_MUX_IN
);
242 g_assert_cmpint(h2
.last_event
, ==, CHR_EVENT_MUX_OUT
);
243 qemu_chr_be_event(chr
, -1);
244 g_assert_cmpint(h1
.last_event
, ==, -1);
245 g_assert_cmpint(h2
.last_event
, ==, CHR_EVENT_MUX_OUT
);
247 qemu_chr_be_write(base
, (void *)"hello", 6);
248 g_assert_cmpint(h2
.read_count
, ==, 0);
249 g_assert_cmpint(h1
.read_count
, ==, 6);
250 g_assert_cmpstr(h1
.read_buf
, ==, "hello");
253 qemu_chr_be_write(base
, (void *)"\1b", 2);
254 g_assert_cmpint(h1
.last_event
, ==, CHR_EVENT_BREAK
);
255 g_assert_cmpint(h2
.last_event
, ==, CHR_EVENT_MUX_OUT
);
257 /* open/close state and corresponding events */
258 g_assert_true(qemu_chr_fe_backend_open(&chr_be1
));
259 g_assert_true(qemu_chr_fe_backend_open(&chr_be2
));
260 g_assert_true(h1
.is_open
);
261 g_assert_false(h1
.openclose_mismatch
);
262 g_assert_true(h2
.is_open
);
263 g_assert_false(h2
.openclose_mismatch
);
265 h1
.openclose_count
= h2
.openclose_count
= 0;
267 qemu_chr_fe_set_handlers(&chr_be1
, NULL
, NULL
, NULL
, NULL
,
269 qemu_chr_fe_set_handlers(&chr_be2
, NULL
, NULL
, NULL
, NULL
,
271 g_assert_cmpint(h1
.openclose_count
, ==, 0);
272 g_assert_cmpint(h2
.openclose_count
, ==, 0);
274 h1
.is_open
= h2
.is_open
= false;
275 qemu_chr_fe_set_handlers(&chr_be1
,
282 qemu_chr_fe_set_handlers(&chr_be2
,
289 g_assert_cmpint(h1
.openclose_count
, ==, 1);
290 g_assert_false(h1
.openclose_mismatch
);
291 g_assert_cmpint(h2
.openclose_count
, ==, 1);
292 g_assert_false(h2
.openclose_mismatch
);
294 qemu_chr_be_event(base
, CHR_EVENT_CLOSED
);
295 qemu_chr_be_event(base
, CHR_EVENT_OPENED
);
296 g_assert_cmpint(h1
.openclose_count
, ==, 3);
297 g_assert_false(h1
.openclose_mismatch
);
298 g_assert_cmpint(h2
.openclose_count
, ==, 3);
299 g_assert_false(h2
.openclose_mismatch
);
301 qemu_chr_fe_set_handlers(&chr_be2
,
308 qemu_chr_fe_set_handlers(&chr_be1
,
316 /* remove first handler */
317 qemu_chr_fe_set_handlers(&chr_be1
, NULL
, NULL
, NULL
, NULL
,
319 qemu_chr_be_write(base
, (void *)"hello", 6);
320 g_assert_cmpint(h1
.read_count
, ==, 0);
321 g_assert_cmpint(h2
.read_count
, ==, 0);
323 qemu_chr_be_write(base
, (void *)"\1c", 2);
324 qemu_chr_be_write(base
, (void *)"hello", 6);
325 g_assert_cmpint(h1
.read_count
, ==, 0);
326 g_assert_cmpint(h2
.read_count
, ==, 6);
327 g_assert_cmpstr(h2
.read_buf
, ==, "hello");
331 qemu_chr_be_write(base
, (void *)"\1?", 2);
332 data
= qmp_ringbuf_read("mux-label-base", 128, false, 0, &error_abort
);
333 g_assert_cmpint(strlen(data
), !=, 0);
336 qemu_chr_fe_deinit(&chr_be1
, false);
337 qemu_chr_fe_deinit(&chr_be2
, true);
341 static void websock_server_read(void *opaque
, const uint8_t *buf
, int size
)
343 g_assert_cmpint(size
, ==, 5);
344 g_assert(memcmp(buf
, "world", size
) == 0);
349 static int websock_server_can_read(void *opaque
)
355 static bool websock_check_http_headers(char *buf
, int size
)
358 const char *ans
[] = { "HTTP/1.1 101 Switching Protocols\r\n",
359 "Server: QEMU VNC\r\n",
360 "Upgrade: websocket\r\n",
361 "Connection: Upgrade\r\n",
362 "Sec-WebSocket-Accept:",
363 "Sec-WebSocket-Protocol: binary\r\n" };
365 for (i
= 0; i
< 6; i
++) {
366 if (g_strstr_len(buf
, size
, ans
[i
]) == NULL
) {
375 static void websock_client_read(void *opaque
, const uint8_t *buf
, int size
)
377 const uint8_t ping
[] = { 0x89, 0x85, /* Ping header */
378 0x07, 0x77, 0x9e, 0xf9, /* Masking key */
379 0x6f, 0x12, 0xf2, 0x95, 0x68 /* "hello" */ };
381 const uint8_t binary
[] = { 0x82, 0x85, /* Binary header */
382 0x74, 0x90, 0xb9, 0xdf, /* Masking key */
383 0x03, 0xff, 0xcb, 0xb3, 0x10 /* "world" */ };
384 Chardev
*chr_client
= opaque
;
386 if (websock_check_http_headers((char *) buf
, size
)) {
387 qemu_chr_fe_write(chr_client
->be
, ping
, sizeof(ping
));
388 } else if (buf
[0] == 0x8a && buf
[1] == 0x05) {
389 g_assert(strncmp((char *) buf
+ 2, "hello", 5) == 0);
390 qemu_chr_fe_write(chr_client
->be
, binary
, sizeof(binary
));
392 g_assert(buf
[0] == 0x88 && buf
[1] == 0x16);
393 g_assert(strncmp((char *) buf
+ 4, "peer requested close", 10) == 0);
399 static int websock_client_can_read(void *opaque
)
405 static void char_websock_test(void)
411 char *handshake_port
;
413 CharBackend client_be
;
415 Chardev
*chr
= qemu_chr_new("server",
416 "websocket:127.0.0.1:0,server=on,wait=off", NULL
);
417 const char handshake
[] = "GET / HTTP/1.1\r\n"
418 "Upgrade: websocket\r\n"
419 "Connection: Upgrade\r\n"
420 "Host: localhost:%s\r\n"
421 "Origin: http://localhost:%s\r\n"
422 "Sec-WebSocket-Key: o9JHNiS3/0/0zYE1wa3yIw==\r\n"
423 "Sec-WebSocket-Version: 13\r\n"
424 "Sec-WebSocket-Protocol: binary\r\n\r\n";
425 const uint8_t close
[] = { 0x88, 0x82, /* Close header */
426 0xef, 0xaa, 0xc5, 0x97, /* Masking key */
427 0xec, 0x42 /* Status code */ };
429 addr
= object_property_get_qobject(OBJECT(chr
), "addr", &error_abort
);
430 qdict
= qobject_to(QDict
, addr
);
431 port
= qdict_get_str(qdict
, "port");
432 tmp
= g_strdup_printf("tcp:127.0.0.1:%s", port
);
433 handshake_port
= g_strdup_printf(handshake
, port
, port
);
434 qobject_unref(qdict
);
436 qemu_chr_fe_init(&be
, chr
, &error_abort
);
437 qemu_chr_fe_set_handlers(&be
, websock_server_can_read
, websock_server_read
,
438 NULL
, NULL
, chr
, NULL
, true);
440 chr_client
= qemu_chr_new("client", tmp
, NULL
);
441 qemu_chr_fe_init(&client_be
, chr_client
, &error_abort
);
442 qemu_chr_fe_set_handlers(&client_be
, websock_client_can_read
,
444 NULL
, NULL
, chr_client
, NULL
, true);
447 qemu_chr_write_all(chr_client
,
448 (uint8_t *) handshake_port
,
449 strlen(handshake_port
));
450 g_free(handshake_port
);
453 g_assert(object_property_get_bool(OBJECT(chr
), "connected", &error_abort
));
454 g_assert(object_property_get_bool(OBJECT(chr_client
),
455 "connected", &error_abort
));
457 qemu_chr_write_all(chr_client
, close
, sizeof(close
));
460 object_unparent(OBJECT(chr_client
));
461 object_unparent(OBJECT(chr
));
466 static void char_pipe_test(void)
468 gchar
*tmp_path
= g_dir_make_tmp("qemu-test-char.XXXXXX", NULL
);
469 gchar
*tmp
, *in
, *out
, *pipe
= g_build_filename(tmp_path
, "pipe", NULL
);
474 FeHandler fe
= { 0, };
476 in
= g_strdup_printf("%s.in", pipe
);
477 if (mkfifo(in
, 0600) < 0) {
480 out
= g_strdup_printf("%s.out", pipe
);
481 if (mkfifo(out
, 0600) < 0) {
485 tmp
= g_strdup_printf("pipe:%s", pipe
);
486 chr
= qemu_chr_new("pipe", tmp
, NULL
);
487 g_assert_nonnull(chr
);
490 qemu_chr_fe_init(&be
, chr
, &error_abort
);
492 ret
= qemu_chr_fe_write(&be
, (void *)"pipe-out", 9);
493 g_assert_cmpint(ret
, ==, 9);
495 fd
= open(out
, O_RDWR
);
496 ret
= read(fd
, buf
, sizeof(buf
));
497 g_assert_cmpint(ret
, ==, 9);
498 g_assert_cmpstr(buf
, ==, "pipe-out");
501 fd
= open(in
, O_WRONLY
);
502 ret
= write(fd
, "pipe-in", 8);
503 g_assert_cmpint(ret
, ==, 8);
506 qemu_chr_fe_set_handlers(&be
,
516 g_assert_cmpint(fe
.read_count
, ==, 8);
517 g_assert_cmpstr(fe
.read_buf
, ==, "pipe-in");
519 qemu_chr_fe_deinit(&be
, true);
521 g_assert(g_unlink(in
) == 0);
522 g_assert(g_unlink(out
) == 0);
523 g_assert(g_rmdir(tmp_path
) == 0);
531 typedef struct SocketIdleData
{
536 CharBackend
*client_be
;
540 static void socket_read_hello(void *opaque
, const uint8_t *buf
, int size
)
542 g_assert_cmpint(size
, ==, 5);
543 g_assert(strncmp((char *)buf
, "hello", 5) == 0);
548 static int socket_can_read_hello(void *opaque
)
553 static int make_udp_socket(int *port
)
555 struct sockaddr_in addr
= { 0, };
556 socklen_t alen
= sizeof(addr
);
557 int ret
, sock
= qemu_socket(PF_INET
, SOCK_DGRAM
, 0);
559 g_assert_cmpint(sock
, >, 0);
560 addr
.sin_family
= AF_INET
;
561 addr
.sin_addr
.s_addr
= htonl(INADDR_ANY
);
563 ret
= bind(sock
, (struct sockaddr
*)&addr
, sizeof(addr
));
564 g_assert_cmpint(ret
, ==, 0);
565 ret
= getsockname(sock
, (struct sockaddr
*)&addr
, &alen
);
566 g_assert_cmpint(ret
, ==, 0);
568 *port
= ntohs(addr
.sin_port
);
572 static void char_udp_test_internal(Chardev
*reuse_chr
, int sock
)
574 struct sockaddr_in other
;
575 SocketIdleData d
= { 0, };
578 socklen_t alen
= sizeof(other
);
588 sock
= make_udp_socket(&port
);
589 tmp
= g_strdup_printf("udp:127.0.0.1:%d", port
);
590 chr
= qemu_chr_new("client", tmp
, NULL
);
591 g_assert_nonnull(chr
);
593 be
= g_alloca(sizeof(CharBackend
));
594 qemu_chr_fe_init(be
, chr
, &error_abort
);
598 qemu_chr_fe_set_handlers(be
, socket_can_read_hello
, socket_read_hello
,
599 NULL
, NULL
, &d
, NULL
, true);
600 ret
= qemu_chr_write_all(chr
, (uint8_t *)"hello", 5);
601 g_assert_cmpint(ret
, ==, 5);
603 ret
= recvfrom(sock
, buf
, sizeof(buf
), 0,
604 (struct sockaddr
*)&other
, &alen
);
605 g_assert_cmpint(ret
, ==, 5);
606 ret
= sendto(sock
, buf
, 5, 0, (struct sockaddr
*)&other
, alen
);
607 g_assert_cmpint(ret
, ==, 5);
613 qemu_chr_fe_deinit(be
, true);
618 static void char_udp_test(void)
620 char_udp_test_internal(NULL
, 0);
628 } CharSocketTestData
;
631 #define SOCKET_PING "Hello"
632 #define SOCKET_PONG "World"
634 typedef void (*char_socket_cb
)(void *opaque
, QEMUChrEvent event
);
637 char_socket_event(void *opaque
, QEMUChrEvent event
)
639 CharSocketTestData
*data
= opaque
;
644 char_socket_event_with_error(void *opaque
, QEMUChrEvent event
)
646 static bool first_error
;
647 CharSocketTestData
*data
= opaque
;
648 CharBackend
*be
= data
->be
;
651 case CHR_EVENT_OPENED
:
654 qemu_chr_fe_disconnect(be
);
657 case CHR_EVENT_CLOSED
:
666 char_socket_read(void *opaque
, const uint8_t *buf
, int size
)
668 CharSocketTestData
*data
= opaque
;
669 g_assert_cmpint(size
, ==, sizeof(SOCKET_PONG
));
670 g_assert(memcmp(buf
, SOCKET_PONG
, size
) == 0);
671 data
->got_pong
= true;
676 char_socket_can_read(void *opaque
)
678 return sizeof(SOCKET_PONG
);
683 char_socket_addr_to_opt_str(SocketAddress
*addr
, bool fd_pass
,
684 const char *reconnect
, bool is_listen
)
687 QIOChannelSocket
*ioc
= qio_channel_socket_new();
690 g_assert(!reconnect
);
692 qio_channel_socket_listen_sync(ioc
, addr
, 1, &error_abort
);
694 qio_channel_socket_connect_sync(ioc
, addr
, &error_abort
);
698 optstr
= g_strdup_printf("socket,id=cdev0,fd=%d%s",
699 fd
, is_listen
? ",server=on,wait=off" : "");
700 object_unref(OBJECT(ioc
));
703 switch (addr
->type
) {
704 case SOCKET_ADDRESS_TYPE_INET
:
705 return g_strdup_printf("socket,id=cdev0,host=%s,port=%s%s%s",
708 reconnect
? reconnect
: "",
709 is_listen
? ",server=on,wait=off" : "");
711 case SOCKET_ADDRESS_TYPE_UNIX
:
712 return g_strdup_printf("socket,id=cdev0,path=%s%s%s",
714 reconnect
? reconnect
: "",
715 is_listen
? ",server=on,wait=off" : "");
718 g_assert_not_reached();
725 char_socket_ping_pong(QIOChannel
*ioc
, Error
**errp
)
727 char greeting
[sizeof(SOCKET_PING
)];
728 const char *response
= SOCKET_PONG
;
731 ret
= qio_channel_read_all(ioc
, greeting
, sizeof(greeting
), errp
);
733 object_unref(OBJECT(ioc
));
737 g_assert(memcmp(greeting
, SOCKET_PING
, sizeof(greeting
)) == 0);
739 qio_channel_write_all(ioc
, response
, sizeof(SOCKET_PONG
), errp
);
740 object_unref(OBJECT(ioc
));
746 char_socket_server_client_thread(gpointer data
)
748 SocketAddress
*addr
= data
;
749 QIOChannelSocket
*ioc
= qio_channel_socket_new();
751 qio_channel_socket_connect_sync(ioc
, addr
, &error_abort
);
753 char_socket_ping_pong(QIO_CHANNEL(ioc
), &error_abort
);
763 } CharSocketServerTestConfig
;
766 static void char_socket_server_test(gconstpointer opaque
)
768 const CharSocketServerTestConfig
*config
= opaque
;
770 CharBackend be
= {0};
771 CharSocketTestData data
= {0};
777 bool reconnected
= false;
781 g_setenv("QTEST_SILENT_ERRORS", "1", 1);
783 * We rely on config->addr containing "wait=off", otherwise
784 * qemu_chr_new() will block until a client connects. We
785 * can't spawn our client thread though, because until
786 * qemu_chr_new() returns we don't know what TCP port was
787 * allocated by the OS
789 optstr
= char_socket_addr_to_opt_str(config
->addr
,
793 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
795 g_assert_nonnull(opts
);
796 chr
= qemu_chr_new_from_opts(opts
, NULL
, &error_abort
);
798 g_assert_nonnull(chr
);
799 g_assert(!object_property_get_bool(OBJECT(chr
), "connected", &error_abort
));
801 qaddr
= object_property_get_qobject(OBJECT(chr
), "addr", &error_abort
);
802 g_assert_nonnull(qaddr
);
804 v
= qobject_input_visitor_new(qaddr
);
805 visit_type_SocketAddress(v
, "addr", &addr
, &error_abort
);
807 qobject_unref(qaddr
);
809 qemu_chr_fe_init(&be
, chr
, &error_abort
);
814 qemu_chr_fe_set_handlers(&be
, NULL
, NULL
,
815 char_socket_event
, NULL
,
817 g_assert(data
.event
== -1);
820 * Kick off a thread to act as the "remote" client
821 * which just plays ping-pong with us
823 qemu_thread_create(&thread
, "client",
824 char_socket_server_client_thread
,
825 addr
, QEMU_THREAD_JOINABLE
);
826 g_assert(data
.event
== -1);
828 if (config
->wait_connected
) {
829 /* Synchronously accept a connection */
830 qemu_chr_wait_connected(chr
, &error_abort
);
833 * Asynchronously accept a connection when the evnt
834 * loop reports the listener socket as readable
836 while (data
.event
== -1) {
837 main_loop_wait(false);
840 g_assert(object_property_get_bool(OBJECT(chr
), "connected", &error_abort
));
841 g_assert(data
.event
== CHR_EVENT_OPENED
);
844 /* Send a greeting to the client */
845 ret
= qemu_chr_fe_write_all(&be
, (const uint8_t *)SOCKET_PING
,
846 sizeof(SOCKET_PING
));
847 g_assert_cmpint(ret
, ==, sizeof(SOCKET_PING
));
848 g_assert(data
.event
== -1);
850 /* Setup a callback to receive the reply to our greeting */
851 qemu_chr_fe_set_handlers(&be
, char_socket_can_read
,
853 char_socket_event
, NULL
,
855 g_assert(data
.event
== CHR_EVENT_OPENED
);
858 /* Wait for the client to go away */
859 while (data
.event
== -1) {
860 main_loop_wait(false);
862 g_assert(!object_property_get_bool(OBJECT(chr
), "connected", &error_abort
));
863 g_assert(data
.event
== CHR_EVENT_CLOSED
);
864 g_assert(data
.got_pong
);
866 qemu_thread_join(&thread
);
873 qapi_free_SocketAddress(addr
);
874 object_unparent(OBJECT(chr
));
876 g_unsetenv("QTEST_SILENT_ERRORS");
881 char_socket_client_server_thread(gpointer data
)
883 QIOChannelSocket
*ioc
= data
;
884 QIOChannelSocket
*cioc
;
887 cioc
= qio_channel_socket_accept(ioc
, &error_abort
);
888 g_assert_nonnull(cioc
);
890 if (char_socket_ping_pong(QIO_CHANNEL(cioc
), NULL
) != 0) {
900 const char *reconnect
;
903 char_socket_cb event_cb
;
904 } CharSocketClientTestConfig
;
906 static void char_socket_client_dupid_test(gconstpointer opaque
)
908 const CharSocketClientTestConfig
*config
= opaque
;
909 QIOChannelSocket
*ioc
;
911 Chardev
*chr1
, *chr2
;
914 Error
*local_err
= NULL
;
917 * Setup a listener socket and determine get its address
918 * so we know the TCP port for the client later
920 ioc
= qio_channel_socket_new();
921 g_assert_nonnull(ioc
);
922 qio_channel_socket_listen_sync(ioc
, config
->addr
, 1, &error_abort
);
923 addr
= qio_channel_socket_get_local_address(ioc
, &error_abort
);
924 g_assert_nonnull(addr
);
927 * Populate the chardev address based on what the server
928 * is actually listening on
930 optstr
= char_socket_addr_to_opt_str(addr
,
935 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
937 g_assert_nonnull(opts
);
938 chr1
= qemu_chr_new_from_opts(opts
, NULL
, &error_abort
);
939 g_assert_nonnull(chr1
);
940 qemu_chr_wait_connected(chr1
, &error_abort
);
942 chr2
= qemu_chr_new_from_opts(opts
, NULL
, &local_err
);
944 error_free_or_abort(&local_err
);
946 object_unref(OBJECT(ioc
));
948 object_unparent(OBJECT(chr1
));
949 qapi_free_SocketAddress(addr
);
953 static void char_socket_client_test(gconstpointer opaque
)
955 const CharSocketClientTestConfig
*config
= opaque
;
956 const char_socket_cb event_cb
= config
->event_cb
;
957 QIOChannelSocket
*ioc
;
960 CharBackend be
= {0};
961 CharSocketTestData data
= {0};
965 bool reconnected
= false;
969 * Setup a listener socket and determine get its address
970 * so we know the TCP port for the client later
972 ioc
= qio_channel_socket_new();
973 g_assert_nonnull(ioc
);
974 qio_channel_socket_listen_sync(ioc
, config
->addr
, 1, &error_abort
);
975 addr
= qio_channel_socket_get_local_address(ioc
, &error_abort
);
976 g_assert_nonnull(addr
);
979 * Kick off a thread to act as the "remote" client
980 * which just plays ping-pong with us
982 qemu_thread_create(&thread
, "client",
983 char_socket_client_server_thread
,
984 ioc
, QEMU_THREAD_JOINABLE
);
987 * Populate the chardev address based on what the server
988 * is actually listening on
990 optstr
= char_socket_addr_to_opt_str(addr
,
995 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
997 g_assert_nonnull(opts
);
998 chr
= qemu_chr_new_from_opts(opts
, NULL
, &error_abort
);
1000 g_assert_nonnull(chr
);
1002 if (config
->reconnect
) {
1004 * If reconnect is set, the connection will be
1005 * established in a background thread and we won't
1006 * see the "connected" status updated until we
1007 * run the main event loop, or call qemu_chr_wait_connected
1009 g_assert(!object_property_get_bool(OBJECT(chr
), "connected",
1012 g_assert(object_property_get_bool(OBJECT(chr
), "connected",
1016 qemu_chr_fe_init(&be
, chr
, &error_abort
);
1021 qemu_chr_fe_set_handlers(&be
, NULL
, NULL
,
1024 if (config
->reconnect
) {
1025 g_assert(data
.event
== -1);
1027 g_assert(data
.event
== CHR_EVENT_OPENED
);
1030 if (config
->wait_connected
) {
1032 * Synchronously wait for the connection to complete
1033 * This should be a no-op if reconnect is not set.
1035 qemu_chr_wait_connected(chr
, &error_abort
);
1038 * Asynchronously wait for the connection to be reported
1039 * as complete when the background thread reports its
1041 * The loop will short-circuit if reconnect was set
1043 while (data
.event
== -1) {
1044 main_loop_wait(false);
1047 g_assert(data
.event
== CHR_EVENT_OPENED
);
1049 g_assert(object_property_get_bool(OBJECT(chr
), "connected", &error_abort
));
1051 /* Send a greeting to the server */
1052 ret
= qemu_chr_fe_write_all(&be
, (const uint8_t *)SOCKET_PING
,
1053 sizeof(SOCKET_PING
));
1054 g_assert_cmpint(ret
, ==, sizeof(SOCKET_PING
));
1055 g_assert(data
.event
== -1);
1057 /* Setup a callback to receive the reply to our greeting */
1058 qemu_chr_fe_set_handlers(&be
, char_socket_can_read
,
1062 g_assert(data
.event
== CHR_EVENT_OPENED
);
1065 /* Wait for the server to go away */
1066 while (data
.event
== -1) {
1067 main_loop_wait(false);
1069 g_assert(data
.event
== CHR_EVENT_CLOSED
);
1070 g_assert(!object_property_get_bool(OBJECT(chr
), "connected", &error_abort
));
1071 g_assert(data
.got_pong
);
1072 qemu_thread_join(&thread
);
1074 if (config
->reconnect
&& !reconnected
) {
1076 qemu_thread_create(&thread
, "client",
1077 char_socket_client_server_thread
,
1078 ioc
, QEMU_THREAD_JOINABLE
);
1082 object_unref(OBJECT(ioc
));
1083 object_unparent(OBJECT(chr
));
1084 qapi_free_SocketAddress(addr
);
1089 count_closed_event(void *opaque
, QEMUChrEvent event
)
1091 int *count
= opaque
;
1092 if (event
== CHR_EVENT_CLOSED
) {
1098 char_socket_discard_read(void *opaque
, const uint8_t *buf
, int size
)
1102 static void char_socket_server_two_clients_test(gconstpointer opaque
)
1104 SocketAddress
*incoming_addr
= (gpointer
) opaque
;
1106 CharBackend be
= {0};
1108 SocketAddress
*addr
;
1112 QIOChannelSocket
*ioc1
, *ioc2
;
1115 g_setenv("QTEST_SILENT_ERRORS", "1", 1);
1117 * We rely on addr containing "wait=off", otherwise
1118 * qemu_chr_new() will block until a client connects. We
1119 * can't spawn our client thread though, because until
1120 * qemu_chr_new() returns we don't know what TCP port was
1121 * allocated by the OS
1123 optstr
= char_socket_addr_to_opt_str(incoming_addr
,
1127 opts
= qemu_opts_parse_noisily(qemu_find_opts("chardev"),
1129 g_assert_nonnull(opts
);
1130 chr
= qemu_chr_new_from_opts(opts
, NULL
, &error_abort
);
1131 qemu_opts_del(opts
);
1132 g_assert_nonnull(chr
);
1133 g_assert(!object_property_get_bool(OBJECT(chr
), "connected", &error_abort
));
1135 qaddr
= object_property_get_qobject(OBJECT(chr
), "addr", &error_abort
);
1136 g_assert_nonnull(qaddr
);
1138 v
= qobject_input_visitor_new(qaddr
);
1139 visit_type_SocketAddress(v
, "addr", &addr
, &error_abort
);
1141 qobject_unref(qaddr
);
1143 qemu_chr_fe_init(&be
, chr
, &error_abort
);
1145 qemu_chr_fe_set_handlers(&be
, char_socket_can_read
, char_socket_discard_read
,
1146 count_closed_event
, NULL
,
1147 &closed
, NULL
, true);
1149 ioc1
= qio_channel_socket_new();
1150 qio_channel_socket_connect_sync(ioc1
, addr
, &error_abort
);
1151 qemu_chr_wait_connected(chr
, &error_abort
);
1153 /* switch the chardev to another context */
1154 GMainContext
*ctx
= g_main_context_new();
1155 qemu_chr_fe_set_handlers(&be
, char_socket_can_read
, char_socket_discard_read
,
1156 count_closed_event
, NULL
,
1157 &closed
, ctx
, true);
1159 /* Start a second connection while the first is still connected.
1160 * It will be placed in the listen() backlog, and connect() will
1161 * succeed immediately.
1163 ioc2
= qio_channel_socket_new();
1164 qio_channel_socket_connect_sync(ioc2
, addr
, &error_abort
);
1166 object_unref(OBJECT(ioc1
));
1167 /* The two connections should now be processed serially. */
1168 while (g_main_context_iteration(ctx
, TRUE
)) {
1169 if (closed
== 1 && ioc2
) {
1170 object_unref(OBJECT(ioc2
));
1178 qapi_free_SocketAddress(addr
);
1179 object_unparent(OBJECT(chr
));
1180 g_main_context_unref(ctx
);
1182 g_unsetenv("QTEST_SILENT_ERRORS");
1186 #if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32)
1187 static void char_serial_test(void)
1192 opts
= qemu_opts_create(qemu_find_opts("chardev"), "serial-id",
1194 qemu_opt_set(opts
, "backend", "serial", &error_abort
);
1195 qemu_opt_set(opts
, "path", "/dev/null", &error_abort
);
1197 chr
= qemu_chr_new_from_opts(opts
, NULL
, NULL
);
1198 g_assert_nonnull(chr
);
1199 /* TODO: add more tests with a pty */
1200 object_unparent(OBJECT(chr
));
1202 qemu_opts_del(opts
);
1207 static void char_file_fifo_test(void)
1211 char *tmp_path
= g_dir_make_tmp("qemu-test-char.XXXXXX", NULL
);
1212 char *fifo
= g_build_filename(tmp_path
, "fifo", NULL
);
1213 char *out
= g_build_filename(tmp_path
, "out", NULL
);
1214 ChardevFile file
= { .in
= fifo
,
1216 ChardevBackend backend
= { .type
= CHARDEV_BACKEND_KIND_FILE
,
1217 .u
.file
.data
= &file
};
1218 FeHandler fe
= { 0, };
1221 if (mkfifo(fifo
, 0600) < 0) {
1225 fd
= open(fifo
, O_RDWR
);
1226 ret
= write(fd
, "fifo-in", 8);
1227 g_assert_cmpint(ret
, ==, 8);
1229 chr
= qemu_chardev_new("label-file", TYPE_CHARDEV_FILE
, &backend
,
1230 NULL
, &error_abort
);
1232 qemu_chr_fe_init(&be
, chr
, &error_abort
);
1233 qemu_chr_fe_set_handlers(&be
,
1240 g_assert_cmpint(fe
.last_event
, !=, CHR_EVENT_BREAK
);
1241 qmp_chardev_send_break("label-foo", NULL
);
1242 g_assert_cmpint(fe
.last_event
, !=, CHR_EVENT_BREAK
);
1243 qmp_chardev_send_break("label-file", NULL
);
1244 g_assert_cmpint(fe
.last_event
, ==, CHR_EVENT_BREAK
);
1250 g_assert_cmpint(fe
.read_count
, ==, 8);
1251 g_assert_cmpstr(fe
.read_buf
, ==, "fifo-in");
1253 qemu_chr_fe_deinit(&be
, true);
1264 static void char_file_test_internal(Chardev
*ext_chr
, const char *filepath
)
1266 char *tmp_path
= g_dir_make_tmp("qemu-test-char.XXXXXX", NULL
);
1269 char *contents
= NULL
;
1270 ChardevFile file
= {};
1271 ChardevBackend backend
= { .type
= CHARDEV_BACKEND_KIND_FILE
,
1272 .u
.file
.data
= &file
};
1278 out
= g_strdup(filepath
);
1281 out
= g_build_filename(tmp_path
, "out", NULL
);
1283 chr
= qemu_chardev_new(NULL
, TYPE_CHARDEV_FILE
, &backend
,
1284 NULL
, &error_abort
);
1286 ret
= qemu_chr_write_all(chr
, (uint8_t *)"hello!", 6);
1287 g_assert_cmpint(ret
, ==, 6);
1289 ret
= g_file_get_contents(out
, &contents
, &length
, NULL
);
1290 g_assert(ret
== TRUE
);
1291 g_assert_cmpint(length
, ==, 6);
1292 g_assert(strncmp(contents
, "hello!", 6) == 0);
1295 object_unparent(OBJECT(chr
));
1304 static void char_file_test(void)
1306 char_file_test_internal(NULL
, NULL
);
1309 static void char_null_test(void)
1316 chr
= qemu_chr_find("label-null");
1319 chr
= qemu_chr_new("label-null", "null", NULL
);
1320 chr
= qemu_chr_find("label-null");
1321 g_assert_nonnull(chr
);
1323 g_assert(qemu_chr_has_feature(chr
,
1324 QEMU_CHAR_FEATURE_FD_PASS
) == false);
1325 g_assert(qemu_chr_has_feature(chr
,
1326 QEMU_CHAR_FEATURE_RECONNECTABLE
) == false);
1328 /* check max avail */
1329 qemu_chr_fe_init(&be
, chr
, &error_abort
);
1330 qemu_chr_fe_init(&be
, chr
, &err
);
1331 error_free_or_abort(&err
);
1333 /* deinit & reinit */
1334 qemu_chr_fe_deinit(&be
, false);
1335 qemu_chr_fe_init(&be
, chr
, &error_abort
);
1337 qemu_chr_fe_set_open(&be
, true);
1339 qemu_chr_fe_set_handlers(&be
,
1346 ret
= qemu_chr_fe_write(&be
, (void *)"buf", 4);
1347 g_assert_cmpint(ret
, ==, 4);
1349 qemu_chr_fe_deinit(&be
, true);
1352 static void char_invalid_test(void)
1355 g_setenv("QTEST_SILENT_ERRORS", "1", 1);
1356 chr
= qemu_chr_new("label-invalid", "invalid", NULL
);
1358 g_unsetenv("QTEST_SILENT_ERRORS");
1361 static int chardev_change(void *opaque
)
1366 static int chardev_change_denied(void *opaque
)
1371 static void char_hotswap_test(void)
1377 gchar
*tmp_path
= g_dir_make_tmp("qemu-test-char.XXXXXX", NULL
);
1378 char *filename
= g_build_filename(tmp_path
, "file", NULL
);
1379 ChardevFile file
= { .out
= filename
};
1380 ChardevBackend backend
= { .type
= CHARDEV_BACKEND_KIND_FILE
,
1381 .u
.file
.data
= &file
};
1385 int sock
= make_udp_socket(&port
);
1386 g_assert_cmpint(sock
, >, 0);
1388 chr_args
= g_strdup_printf("udp:127.0.0.1:%d", port
);
1390 chr
= qemu_chr_new("chardev", chr_args
, NULL
);
1391 qemu_chr_fe_init(&be
, chr
, &error_abort
);
1393 /* check that chardev operates correctly */
1394 char_udp_test_internal(chr
, sock
);
1396 /* set the handler that denies the hotswap */
1397 qemu_chr_fe_set_handlers(&be
, NULL
, NULL
,
1398 NULL
, chardev_change_denied
, NULL
, NULL
, true);
1400 /* now, change is denied and has to keep the old backend operating */
1401 ret
= qmp_chardev_change("chardev", &backend
, NULL
);
1403 g_assert(be
.chr
== chr
);
1405 char_udp_test_internal(chr
, sock
);
1407 /* now allow the change */
1408 qemu_chr_fe_set_handlers(&be
, NULL
, NULL
,
1409 NULL
, chardev_change
, NULL
, NULL
, true);
1411 /* has to succeed now */
1412 ret
= qmp_chardev_change("chardev", &backend
, &error_abort
);
1413 g_assert(be
.chr
!= chr
);
1418 /* run the file chardev test */
1419 char_file_test_internal(chr
, filename
);
1421 object_unparent(OBJECT(chr
));
1423 qapi_free_ChardevReturn(ret
);
1431 static SocketAddress tcpaddr
= {
1432 .type
= SOCKET_ADDRESS_TYPE_INET
,
1433 .u
.inet
.host
= (char *)"127.0.0.1",
1434 .u
.inet
.port
= (char *)"0",
1437 static SocketAddress unixaddr
= {
1438 .type
= SOCKET_ADDRESS_TYPE_UNIX
,
1439 .u
.q_unix
.path
= (char *)"test-char.sock",
1443 int main(int argc
, char **argv
)
1445 bool has_ipv4
, has_ipv6
;
1447 qemu_init_main_loop(&error_abort
);
1450 g_test_init(&argc
, &argv
, NULL
);
1452 if (socket_check_protocol_support(&has_ipv4
, &has_ipv6
) < 0) {
1453 g_printerr("socket_check_protocol_support() failed\n");
1457 module_call_init(MODULE_INIT_QOM
);
1458 qemu_add_opts(&qemu_chardev_opts
);
1460 g_test_add_func("/char/null", char_null_test
);
1461 g_test_add_func("/char/invalid", char_invalid_test
);
1462 g_test_add_func("/char/ringbuf", char_ringbuf_test
);
1463 g_test_add_func("/char/mux", char_mux_test
);
1465 g_test_add_func("/char/console/subprocess", char_console_test_subprocess
);
1466 g_test_add_func("/char/console", char_console_test
);
1468 g_test_add_func("/char/stdio/subprocess", char_stdio_test_subprocess
);
1469 g_test_add_func("/char/stdio", char_stdio_test
);
1471 g_test_add_func("/char/pipe", char_pipe_test
);
1473 g_test_add_func("/char/file", char_file_test
);
1475 g_test_add_func("/char/file-fifo", char_file_fifo_test
);
1478 #define SOCKET_SERVER_TEST(name, addr) \
1479 static CharSocketServerTestConfig server1 ## name = \
1480 { addr, false, false }; \
1481 static CharSocketServerTestConfig server2 ## name = \
1482 { addr, true, false }; \
1483 static CharSocketServerTestConfig server3 ## name = \
1484 { addr, false, true }; \
1485 static CharSocketServerTestConfig server4 ## name = \
1486 { addr, true, true }; \
1487 g_test_add_data_func("/char/socket/server/mainloop/" # name, \
1488 &server1 ##name, char_socket_server_test); \
1489 g_test_add_data_func("/char/socket/server/wait-conn/" # name, \
1490 &server2 ##name, char_socket_server_test); \
1491 g_test_add_data_func("/char/socket/server/mainloop-fdpass/" # name, \
1492 &server3 ##name, char_socket_server_test); \
1493 g_test_add_data_func("/char/socket/server/wait-conn-fdpass/" # name, \
1494 &server4 ##name, char_socket_server_test)
1496 #define SOCKET_CLIENT_TEST(name, addr) \
1497 static CharSocketClientTestConfig client1 ## name = \
1498 { addr, NULL, false, false, char_socket_event }; \
1499 static CharSocketClientTestConfig client2 ## name = \
1500 { addr, NULL, true, false, char_socket_event }; \
1501 static CharSocketClientTestConfig client3 ## name = \
1502 { addr, ",reconnect=1", false, false, char_socket_event }; \
1503 static CharSocketClientTestConfig client4 ## name = \
1504 { addr, ",reconnect=1", true, false, char_socket_event }; \
1505 static CharSocketClientTestConfig client5 ## name = \
1506 { addr, NULL, false, true, char_socket_event }; \
1507 static CharSocketClientTestConfig client6 ## name = \
1508 { addr, NULL, true, true, char_socket_event }; \
1509 static CharSocketClientTestConfig client7 ## name = \
1510 { addr, ",reconnect=1", true, false, \
1511 char_socket_event_with_error }; \
1512 static CharSocketClientTestConfig client8 ## name = \
1513 { addr, ",reconnect=1", false, false, char_socket_event }; \
1514 g_test_add_data_func("/char/socket/client/mainloop/" # name, \
1515 &client1 ##name, char_socket_client_test); \
1516 g_test_add_data_func("/char/socket/client/wait-conn/" # name, \
1517 &client2 ##name, char_socket_client_test); \
1518 g_test_add_data_func("/char/socket/client/mainloop-reconnect/" # name, \
1519 &client3 ##name, char_socket_client_test); \
1520 g_test_add_data_func("/char/socket/client/wait-conn-reconnect/" # name, \
1521 &client4 ##name, char_socket_client_test); \
1522 g_test_add_data_func("/char/socket/client/mainloop-fdpass/" # name, \
1523 &client5 ##name, char_socket_client_test); \
1524 g_test_add_data_func("/char/socket/client/wait-conn-fdpass/" # name, \
1525 &client6 ##name, char_socket_client_test); \
1526 g_test_add_data_func("/char/socket/client/reconnect-error/" # name, \
1527 &client7 ##name, char_socket_client_test); \
1528 g_test_add_data_func("/char/socket/client/dupid-reconnect/" # name, \
1529 &client8 ##name, char_socket_client_dupid_test)
1532 SOCKET_SERVER_TEST(tcp
, &tcpaddr
);
1533 SOCKET_CLIENT_TEST(tcp
, &tcpaddr
);
1534 g_test_add_data_func("/char/socket/server/two-clients/tcp", &tcpaddr
,
1535 char_socket_server_two_clients_test
);
1538 SOCKET_SERVER_TEST(unix
, &unixaddr
);
1539 SOCKET_CLIENT_TEST(unix
, &unixaddr
);
1540 g_test_add_data_func("/char/socket/server/two-clients/unix", &unixaddr
,
1541 char_socket_server_two_clients_test
);
1544 g_test_add_func("/char/udp", char_udp_test
);
1545 #if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32)
1546 g_test_add_func("/char/serial", char_serial_test
);
1548 g_test_add_func("/char/hotswap", char_hotswap_test
);
1549 g_test_add_func("/char/websocket", char_websock_test
);
1552 return g_test_run();