1 #include "qemu/osdep.h" 2 #include <glib/gstdio.h> 3 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" 18 19 static bool quit; 20 21 typedef struct FeHandler { 22 int read_count; 23 bool is_open; 24 int openclose_count; 25 bool openclose_mismatch; 26 int last_event; 27 char read_buf[128]; 28 } FeHandler; 29 30 static void main_loop(void) 31 { 32 quit = false; 33 do { 34 main_loop_wait(false); 35 } while (!quit); 36 } 37 38 static int fe_can_read(void *opaque) 39 { 40 FeHandler *h = opaque; 41 42 return sizeof(h->read_buf) - h->read_count; 43 } 44 45 static void fe_read(void *opaque, const uint8_t *buf, int size) 46 { 47 FeHandler *h = opaque; 48 49 g_assert_cmpint(size, <=, fe_can_read(opaque)); 50 51 memcpy(h->read_buf + h->read_count, buf, size); 52 h->read_count += size; 53 quit = true; 54 } 55 56 static void fe_event(void *opaque, QEMUChrEvent event) 57 { 58 FeHandler *h = opaque; 59 bool new_open_state; 60 61 h->last_event = event; 62 switch (event) { 63 case CHR_EVENT_BREAK: 64 break; 65 case CHR_EVENT_OPENED: 66 case CHR_EVENT_CLOSED: 67 h->openclose_count++; 68 new_open_state = (event == CHR_EVENT_OPENED); 69 if (h->is_open == new_open_state) { 70 h->openclose_mismatch = true; 71 } 72 h->is_open = new_open_state; 73 /* fallthrough */ 74 default: 75 quit = true; 76 break; 77 } 78 } 79 80 #ifdef _WIN32 81 static void char_console_test_subprocess(void) 82 { 83 QemuOpts *opts; 84 Chardev *chr; 85 86 opts = qemu_opts_create(qemu_find_opts("chardev"), "console-label", 87 1, &error_abort); 88 qemu_opt_set(opts, "backend", "console", &error_abort); 89 90 chr = qemu_chr_new_from_opts(opts, NULL, NULL); 91 g_assert_nonnull(chr); 92 93 qemu_chr_write_all(chr, (const uint8_t *)"CONSOLE", 7); 94 95 qemu_opts_del(opts); 96 object_unparent(OBJECT(chr)); 97 } 98 99 static void char_console_test(void) 100 { 101 g_test_trap_subprocess("/char/console/subprocess", 0, 0); 102 g_test_trap_assert_passed(); 103 g_test_trap_assert_stdout("CONSOLE"); 104 } 105 #endif 106 static void char_stdio_test_subprocess(void) 107 { 108 Chardev *chr; 109 CharBackend be; 110 int ret; 111 112 chr = qemu_chr_new("label", "stdio", NULL); 113 g_assert_nonnull(chr); 114 115 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); 119 120 qemu_chr_fe_deinit(&be, true); 121 } 122 123 static void char_stdio_test(void) 124 { 125 g_test_trap_subprocess("/char/stdio/subprocess", 0, 0); 126 g_test_trap_assert_passed(); 127 g_test_trap_assert_stdout("buf"); 128 } 129 130 static void char_ringbuf_test(void) 131 { 132 QemuOpts *opts; 133 Chardev *chr; 134 CharBackend be; 135 char *data; 136 int ret; 137 138 opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label", 139 1, &error_abort); 140 qemu_opt_set(opts, "backend", "ringbuf", &error_abort); 141 142 qemu_opt_set(opts, "size", "5", &error_abort); 143 chr = qemu_chr_new_from_opts(opts, NULL, NULL); 144 g_assert_null(chr); 145 qemu_opts_del(opts); 146 147 opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label", 148 1, &error_abort); 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); 153 qemu_opts_del(opts); 154 155 qemu_chr_fe_init(&be, chr, &error_abort); 156 ret = qemu_chr_fe_write(&be, (void *)"buff", 4); 157 g_assert_cmpint(ret, ==, 4); 158 159 data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort); 160 g_assert_cmpstr(data, ==, "ff"); 161 g_free(data); 162 163 data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort); 164 g_assert_cmpstr(data, ==, ""); 165 g_free(data); 166 167 qemu_chr_fe_deinit(&be, true); 168 169 /* check alias */ 170 opts = qemu_opts_create(qemu_find_opts("chardev"), "memory-label", 171 1, &error_abort); 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)); 177 qemu_opts_del(opts); 178 } 179 180 static void char_mux_test(void) 181 { 182 QemuOpts *opts; 183 Chardev *chr, *base; 184 char *data; 185 FeHandler h1 = { 0, false, 0, false, }, h2 = { 0, false, 0, false, }; 186 CharBackend chr_be1, chr_be2; 187 188 opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label", 189 1, &error_abort); 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); 195 qemu_opts_del(opts); 196 197 qemu_chr_fe_init(&chr_be1, chr, &error_abort); 198 qemu_chr_fe_set_handlers(&chr_be1, 199 fe_can_read, 200 fe_read, 201 fe_event, 202 NULL, 203 &h1, 204 NULL, true); 205 206 qemu_chr_fe_init(&chr_be2, chr, &error_abort); 207 qemu_chr_fe_set_handlers(&chr_be2, 208 fe_can_read, 209 fe_read, 210 fe_event, 211 NULL, 212 &h2, 213 NULL, true); 214 qemu_chr_fe_take_focus(&chr_be2); 215 216 base = qemu_chr_find("mux-label-base"); 217 g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0); 218 219 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"); 223 h2.read_count = 0; 224 225 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); 234 235 /* switch focus */ 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); 239 240 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); 246 247 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"); 251 h1.read_count = 0; 252 253 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); 256 257 /* 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); 264 265 h1.openclose_count = h2.openclose_count = 0; 266 267 qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL, 268 NULL, NULL, false); 269 qemu_chr_fe_set_handlers(&chr_be2, NULL, NULL, NULL, NULL, 270 NULL, NULL, false); 271 g_assert_cmpint(h1.openclose_count, ==, 0); 272 g_assert_cmpint(h2.openclose_count, ==, 0); 273 274 h1.is_open = h2.is_open = false; 275 qemu_chr_fe_set_handlers(&chr_be1, 276 NULL, 277 NULL, 278 fe_event, 279 NULL, 280 &h1, 281 NULL, false); 282 qemu_chr_fe_set_handlers(&chr_be2, 283 NULL, 284 NULL, 285 fe_event, 286 NULL, 287 &h2, 288 NULL, false); 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); 293 294 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); 300 301 qemu_chr_fe_set_handlers(&chr_be2, 302 fe_can_read, 303 fe_read, 304 fe_event, 305 NULL, 306 &h2, 307 NULL, false); 308 qemu_chr_fe_set_handlers(&chr_be1, 309 fe_can_read, 310 fe_read, 311 fe_event, 312 NULL, 313 &h1, 314 NULL, false); 315 316 /* remove first handler */ 317 qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL, 318 NULL, NULL, true); 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); 322 323 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"); 328 h2.read_count = 0; 329 330 /* print help */ 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); 334 g_free(data); 335 336 qemu_chr_fe_deinit(&chr_be1, false); 337 qemu_chr_fe_deinit(&chr_be2, true); 338 } 339 340 341 static void websock_server_read(void *opaque, const uint8_t *buf, int size) 342 { 343 g_assert_cmpint(size, ==, 5); 344 g_assert(memcmp(buf, "world", size) == 0); 345 quit = true; 346 } 347 348 349 static int websock_server_can_read(void *opaque) 350 { 351 return 10; 352 } 353 354 355 static bool websock_check_http_headers(char *buf, int size) 356 { 357 int i; 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" }; 364 365 for (i = 0; i < 6; i++) { 366 if (g_strstr_len(buf, size, ans[i]) == NULL) { 367 return false; 368 } 369 } 370 371 return true; 372 } 373 374 375 static void websock_client_read(void *opaque, const uint8_t *buf, int size) 376 { 377 const uint8_t ping[] = { 0x89, 0x85, /* Ping header */ 378 0x07, 0x77, 0x9e, 0xf9, /* Masking key */ 379 0x6f, 0x12, 0xf2, 0x95, 0x68 /* "hello" */ }; 380 381 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; 385 386 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)); 391 } else { 392 g_assert(buf[0] == 0x88 && buf[1] == 0x16); 393 g_assert(strncmp((char *) buf + 4, "peer requested close", 10) == 0); 394 quit = true; 395 } 396 } 397 398 399 static int websock_client_can_read(void *opaque) 400 { 401 return 4096; 402 } 403 404 405 static void char_websock_test(void) 406 { 407 QObject *addr; 408 QDict *qdict; 409 const char *port; 410 char *tmp; 411 char *handshake_port; 412 CharBackend be; 413 CharBackend client_be; 414 Chardev *chr_client; 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 */ }; 428 429 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); 435 436 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); 439 440 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, 443 websock_client_read, 444 NULL, NULL, chr_client, NULL, true); 445 g_free(tmp); 446 447 qemu_chr_write_all(chr_client, 448 (uint8_t *) handshake_port, 449 strlen(handshake_port)); 450 g_free(handshake_port); 451 main_loop(); 452 453 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)); 456 457 qemu_chr_write_all(chr_client, close, sizeof(close)); 458 main_loop(); 459 460 object_unparent(OBJECT(chr_client)); 461 object_unparent(OBJECT(chr)); 462 } 463 464 465 #ifndef _WIN32 466 static void char_pipe_test(void) 467 { 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); 470 Chardev *chr; 471 CharBackend be; 472 int ret, fd; 473 char buf[10]; 474 FeHandler fe = { 0, }; 475 476 in = g_strdup_printf("%s.in", pipe); 477 if (mkfifo(in, 0600) < 0) { 478 abort(); 479 } 480 out = g_strdup_printf("%s.out", pipe); 481 if (mkfifo(out, 0600) < 0) { 482 abort(); 483 } 484 485 tmp = g_strdup_printf("pipe:%s", pipe); 486 chr = qemu_chr_new("pipe", tmp, NULL); 487 g_assert_nonnull(chr); 488 g_free(tmp); 489 490 qemu_chr_fe_init(&be, chr, &error_abort); 491 492 ret = qemu_chr_fe_write(&be, (void *)"pipe-out", 9); 493 g_assert_cmpint(ret, ==, 9); 494 495 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"); 499 close(fd); 500 501 fd = open(in, O_WRONLY); 502 ret = write(fd, "pipe-in", 8); 503 g_assert_cmpint(ret, ==, 8); 504 close(fd); 505 506 qemu_chr_fe_set_handlers(&be, 507 fe_can_read, 508 fe_read, 509 fe_event, 510 NULL, 511 &fe, 512 NULL, true); 513 514 main_loop(); 515 516 g_assert_cmpint(fe.read_count, ==, 8); 517 g_assert_cmpstr(fe.read_buf, ==, "pipe-in"); 518 519 qemu_chr_fe_deinit(&be, true); 520 521 g_assert(g_unlink(in) == 0); 522 g_assert(g_unlink(out) == 0); 523 g_assert(g_rmdir(tmp_path) == 0); 524 g_free(in); 525 g_free(out); 526 g_free(tmp_path); 527 g_free(pipe); 528 } 529 #endif 530 531 typedef struct SocketIdleData { 532 GMainLoop *loop; 533 Chardev *chr; 534 bool conn_expected; 535 CharBackend *be; 536 CharBackend *client_be; 537 } SocketIdleData; 538 539 540 static void socket_read_hello(void *opaque, const uint8_t *buf, int size) 541 { 542 g_assert_cmpint(size, ==, 5); 543 g_assert(strncmp((char *)buf, "hello", 5) == 0); 544 545 quit = true; 546 } 547 548 static int socket_can_read_hello(void *opaque) 549 { 550 return 10; 551 } 552 553 static int make_udp_socket(int *port) 554 { 555 struct sockaddr_in addr = { 0, }; 556 socklen_t alen = sizeof(addr); 557 int ret, sock = qemu_socket(PF_INET, SOCK_DGRAM, 0); 558 559 g_assert_cmpint(sock, >=, 0); 560 addr.sin_family = AF_INET ; 561 addr.sin_addr.s_addr = htonl(INADDR_ANY); 562 addr.sin_port = 0; 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); 567 568 *port = ntohs(addr.sin_port); 569 return sock; 570 } 571 572 static void char_udp_test_internal(Chardev *reuse_chr, int sock) 573 { 574 struct sockaddr_in other; 575 SocketIdleData d = { 0, }; 576 Chardev *chr; 577 CharBackend *be; 578 socklen_t alen = sizeof(other); 579 int ret; 580 char buf[10]; 581 char *tmp = NULL; 582 583 if (reuse_chr) { 584 chr = reuse_chr; 585 be = chr->be; 586 } else { 587 int port; 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); 592 593 be = g_alloca(sizeof(CharBackend)); 594 qemu_chr_fe_init(be, chr, &error_abort); 595 } 596 597 d.chr = chr; 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); 602 603 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); 608 609 main_loop(); 610 611 if (!reuse_chr) { 612 close(sock); 613 qemu_chr_fe_deinit(be, true); 614 } 615 g_free(tmp); 616 } 617 618 static void char_udp_test(void) 619 { 620 char_udp_test_internal(NULL, 0); 621 } 622 623 624 typedef struct { 625 int event; 626 bool got_pong; 627 CharBackend *be; 628 } CharSocketTestData; 629 630 631 #define SOCKET_PING "Hello" 632 #define SOCKET_PONG "World" 633 634 typedef void (*char_socket_cb)(void *opaque, QEMUChrEvent event); 635 636 static void 637 char_socket_event(void *opaque, QEMUChrEvent event) 638 { 639 CharSocketTestData *data = opaque; 640 data->event = event; 641 } 642 643 static void 644 char_socket_event_with_error(void *opaque, QEMUChrEvent event) 645 { 646 static bool first_error; 647 CharSocketTestData *data = opaque; 648 CharBackend *be = data->be; 649 data->event = event; 650 switch (event) { 651 case CHR_EVENT_OPENED: 652 if (!first_error) { 653 first_error = true; 654 qemu_chr_fe_disconnect(be); 655 } 656 return; 657 case CHR_EVENT_CLOSED: 658 return; 659 default: 660 return; 661 } 662 } 663 664 665 static void 666 char_socket_read(void *opaque, const uint8_t *buf, int size) 667 { 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; 672 } 673 674 675 static int 676 char_socket_can_read(void *opaque) 677 { 678 return sizeof(SOCKET_PONG); 679 } 680 681 682 static char * 683 char_socket_addr_to_opt_str(SocketAddress *addr, bool fd_pass, 684 const char *reconnect, bool is_listen) 685 { 686 if (fd_pass) { 687 QIOChannelSocket *ioc = qio_channel_socket_new(); 688 int fd; 689 char *optstr; 690 g_assert(!reconnect); 691 if (is_listen) { 692 qio_channel_socket_listen_sync(ioc, addr, 1, &error_abort); 693 } else { 694 qio_channel_socket_connect_sync(ioc, addr, &error_abort); 695 } 696 fd = ioc->fd; 697 ioc->fd = -1; 698 optstr = g_strdup_printf("socket,id=cdev0,fd=%d%s", 699 fd, is_listen ? ",server=on,wait=off" : ""); 700 object_unref(OBJECT(ioc)); 701 return optstr; 702 } else { 703 switch (addr->type) { 704 case SOCKET_ADDRESS_TYPE_INET: 705 return g_strdup_printf("socket,id=cdev0,host=%s,port=%s%s%s", 706 addr->u.inet.host, 707 addr->u.inet.port, 708 reconnect ? reconnect : "", 709 is_listen ? ",server=on,wait=off" : ""); 710 711 case SOCKET_ADDRESS_TYPE_UNIX: 712 return g_strdup_printf("socket,id=cdev0,path=%s%s%s", 713 addr->u.q_unix.path, 714 reconnect ? reconnect : "", 715 is_listen ? ",server=on,wait=off" : ""); 716 717 default: 718 g_assert_not_reached(); 719 } 720 } 721 } 722 723 724 static int 725 char_socket_ping_pong(QIOChannel *ioc, Error **errp) 726 { 727 char greeting[sizeof(SOCKET_PING)]; 728 const char *response = SOCKET_PONG; 729 730 int ret; 731 ret = qio_channel_read_all(ioc, greeting, sizeof(greeting), errp); 732 if (ret != 0) { 733 object_unref(OBJECT(ioc)); 734 return -1; 735 } 736 737 g_assert(memcmp(greeting, SOCKET_PING, sizeof(greeting)) == 0); 738 739 qio_channel_write_all(ioc, response, sizeof(SOCKET_PONG), errp); 740 object_unref(OBJECT(ioc)); 741 return 0; 742 } 743 744 745 static gpointer 746 char_socket_server_client_thread(gpointer data) 747 { 748 SocketAddress *addr = data; 749 QIOChannelSocket *ioc = qio_channel_socket_new(); 750 751 qio_channel_socket_connect_sync(ioc, addr, &error_abort); 752 753 char_socket_ping_pong(QIO_CHANNEL(ioc), &error_abort); 754 755 return NULL; 756 } 757 758 759 typedef struct { 760 SocketAddress *addr; 761 bool wait_connected; 762 bool fd_pass; 763 } CharSocketServerTestConfig; 764 765 766 static void char_socket_server_test(gconstpointer opaque) 767 { 768 const CharSocketServerTestConfig *config = opaque; 769 Chardev *chr; 770 CharBackend be = {0}; 771 CharSocketTestData data = {0}; 772 QObject *qaddr; 773 SocketAddress *addr; 774 Visitor *v; 775 QemuThread thread; 776 int ret; 777 bool reconnected = false; 778 char *optstr; 779 QemuOpts *opts; 780 781 g_setenv("QTEST_SILENT_ERRORS", "1", 1); 782 /* 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 788 */ 789 optstr = char_socket_addr_to_opt_str(config->addr, 790 config->fd_pass, 791 NULL, 792 true); 793 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), 794 optstr, true); 795 g_assert_nonnull(opts); 796 chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); 797 qemu_opts_del(opts); 798 g_assert_nonnull(chr); 799 g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort)); 800 801 qaddr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort); 802 g_assert_nonnull(qaddr); 803 804 v = qobject_input_visitor_new(qaddr); 805 visit_type_SocketAddress(v, "addr", &addr, &error_abort); 806 visit_free(v); 807 qobject_unref(qaddr); 808 809 qemu_chr_fe_init(&be, chr, &error_abort); 810 811 reconnect: 812 data.event = -1; 813 data.be = &be; 814 qemu_chr_fe_set_handlers(&be, NULL, NULL, 815 char_socket_event, NULL, 816 &data, NULL, true); 817 g_assert(data.event == -1); 818 819 /* 820 * Kick off a thread to act as the "remote" client 821 * which just plays ping-pong with us 822 */ 823 qemu_thread_create(&thread, "client", 824 char_socket_server_client_thread, 825 addr, QEMU_THREAD_JOINABLE); 826 g_assert(data.event == -1); 827 828 if (config->wait_connected) { 829 /* Synchronously accept a connection */ 830 qemu_chr_wait_connected(chr, &error_abort); 831 } else { 832 /* 833 * Asynchronously accept a connection when the evnt 834 * loop reports the listener socket as readable 835 */ 836 while (data.event == -1) { 837 main_loop_wait(false); 838 } 839 } 840 g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort)); 841 g_assert(data.event == CHR_EVENT_OPENED); 842 data.event = -1; 843 844 /* 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); 849 850 /* Setup a callback to receive the reply to our greeting */ 851 qemu_chr_fe_set_handlers(&be, char_socket_can_read, 852 char_socket_read, 853 char_socket_event, NULL, 854 &data, NULL, true); 855 g_assert(data.event == CHR_EVENT_OPENED); 856 data.event = -1; 857 858 /* Wait for the client to go away */ 859 while (data.event == -1) { 860 main_loop_wait(false); 861 } 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); 865 866 qemu_thread_join(&thread); 867 868 if (!reconnected) { 869 reconnected = true; 870 goto reconnect; 871 } 872 873 qapi_free_SocketAddress(addr); 874 object_unparent(OBJECT(chr)); 875 g_free(optstr); 876 g_unsetenv("QTEST_SILENT_ERRORS"); 877 } 878 879 880 static gpointer 881 char_socket_client_server_thread(gpointer data) 882 { 883 QIOChannelSocket *ioc = data; 884 QIOChannelSocket *cioc; 885 886 retry: 887 cioc = qio_channel_socket_accept(ioc, &error_abort); 888 g_assert_nonnull(cioc); 889 890 if (char_socket_ping_pong(QIO_CHANNEL(cioc), NULL) != 0) { 891 goto retry; 892 } 893 894 return NULL; 895 } 896 897 898 typedef struct { 899 SocketAddress *addr; 900 const char *reconnect; 901 bool wait_connected; 902 bool fd_pass; 903 char_socket_cb event_cb; 904 } CharSocketClientTestConfig; 905 906 static void char_socket_client_dupid_test(gconstpointer opaque) 907 { 908 const CharSocketClientTestConfig *config = opaque; 909 QIOChannelSocket *ioc; 910 char *optstr; 911 Chardev *chr1, *chr2; 912 SocketAddress *addr; 913 QemuOpts *opts; 914 Error *local_err = NULL; 915 916 /* 917 * Setup a listener socket and determine get its address 918 * so we know the TCP port for the client later 919 */ 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); 925 926 /* 927 * Populate the chardev address based on what the server 928 * is actually listening on 929 */ 930 optstr = char_socket_addr_to_opt_str(addr, 931 config->fd_pass, 932 config->reconnect, 933 false); 934 935 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), 936 optstr, true); 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); 941 942 chr2 = qemu_chr_new_from_opts(opts, NULL, &local_err); 943 g_assert_null(chr2); 944 error_free_or_abort(&local_err); 945 946 object_unref(OBJECT(ioc)); 947 qemu_opts_del(opts); 948 object_unparent(OBJECT(chr1)); 949 qapi_free_SocketAddress(addr); 950 g_free(optstr); 951 } 952 953 static void char_socket_client_test(gconstpointer opaque) 954 { 955 const CharSocketClientTestConfig *config = opaque; 956 const char_socket_cb event_cb = config->event_cb; 957 QIOChannelSocket *ioc; 958 char *optstr; 959 Chardev *chr; 960 CharBackend be = {0}; 961 CharSocketTestData data = {0}; 962 SocketAddress *addr; 963 QemuThread thread; 964 int ret; 965 bool reconnected = false; 966 QemuOpts *opts; 967 968 /* 969 * Setup a listener socket and determine get its address 970 * so we know the TCP port for the client later 971 */ 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); 977 978 /* 979 * Kick off a thread to act as the "remote" client 980 * which just plays ping-pong with us 981 */ 982 qemu_thread_create(&thread, "client", 983 char_socket_client_server_thread, 984 ioc, QEMU_THREAD_JOINABLE); 985 986 /* 987 * Populate the chardev address based on what the server 988 * is actually listening on 989 */ 990 optstr = char_socket_addr_to_opt_str(addr, 991 config->fd_pass, 992 config->reconnect, 993 false); 994 995 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), 996 optstr, true); 997 g_assert_nonnull(opts); 998 chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); 999 qemu_opts_del(opts); 1000 g_assert_nonnull(chr); 1001 1002 if (config->reconnect) { 1003 /* 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 1008 */ 1009 g_assert(!object_property_get_bool(OBJECT(chr), "connected", 1010 &error_abort)); 1011 } else { 1012 g_assert(object_property_get_bool(OBJECT(chr), "connected", 1013 &error_abort)); 1014 } 1015 1016 qemu_chr_fe_init(&be, chr, &error_abort); 1017 1018 reconnect: 1019 data.event = -1; 1020 data.be = &be; 1021 qemu_chr_fe_set_handlers(&be, NULL, NULL, 1022 event_cb, NULL, 1023 &data, NULL, true); 1024 if (config->reconnect) { 1025 g_assert(data.event == -1); 1026 } else { 1027 g_assert(data.event == CHR_EVENT_OPENED); 1028 } 1029 1030 if (config->wait_connected) { 1031 /* 1032 * Synchronously wait for the connection to complete 1033 * This should be a no-op if reconnect is not set. 1034 */ 1035 qemu_chr_wait_connected(chr, &error_abort); 1036 } else { 1037 /* 1038 * Asynchronously wait for the connection to be reported 1039 * as complete when the background thread reports its 1040 * status. 1041 * The loop will short-circuit if reconnect was set 1042 */ 1043 while (data.event == -1) { 1044 main_loop_wait(false); 1045 } 1046 } 1047 g_assert(data.event == CHR_EVENT_OPENED); 1048 data.event = -1; 1049 g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort)); 1050 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); 1056 1057 /* Setup a callback to receive the reply to our greeting */ 1058 qemu_chr_fe_set_handlers(&be, char_socket_can_read, 1059 char_socket_read, 1060 event_cb, NULL, 1061 &data, NULL, true); 1062 g_assert(data.event == CHR_EVENT_OPENED); 1063 data.event = -1; 1064 1065 /* Wait for the server to go away */ 1066 while (data.event == -1) { 1067 main_loop_wait(false); 1068 } 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); 1073 1074 if (config->reconnect && !reconnected) { 1075 reconnected = true; 1076 qemu_thread_create(&thread, "client", 1077 char_socket_client_server_thread, 1078 ioc, QEMU_THREAD_JOINABLE); 1079 goto reconnect; 1080 } 1081 1082 object_unref(OBJECT(ioc)); 1083 object_unparent(OBJECT(chr)); 1084 qapi_free_SocketAddress(addr); 1085 g_free(optstr); 1086 } 1087 1088 static void 1089 count_closed_event(void *opaque, QEMUChrEvent event) 1090 { 1091 int *count = opaque; 1092 if (event == CHR_EVENT_CLOSED) { 1093 (*count)++; 1094 } 1095 } 1096 1097 static void 1098 char_socket_discard_read(void *opaque, const uint8_t *buf, int size) 1099 { 1100 } 1101 1102 static void char_socket_server_two_clients_test(gconstpointer opaque) 1103 { 1104 SocketAddress *incoming_addr = (gpointer) opaque; 1105 Chardev *chr; 1106 CharBackend be = {0}; 1107 QObject *qaddr; 1108 SocketAddress *addr; 1109 Visitor *v; 1110 char *optstr; 1111 QemuOpts *opts; 1112 QIOChannelSocket *ioc1, *ioc2; 1113 int closed = 0; 1114 1115 g_setenv("QTEST_SILENT_ERRORS", "1", 1); 1116 /* 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 1122 */ 1123 optstr = char_socket_addr_to_opt_str(incoming_addr, 1124 false, 1125 NULL, 1126 true); 1127 opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), 1128 optstr, true); 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)); 1134 1135 qaddr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort); 1136 g_assert_nonnull(qaddr); 1137 1138 v = qobject_input_visitor_new(qaddr); 1139 visit_type_SocketAddress(v, "addr", &addr, &error_abort); 1140 visit_free(v); 1141 qobject_unref(qaddr); 1142 1143 qemu_chr_fe_init(&be, chr, &error_abort); 1144 1145 qemu_chr_fe_set_handlers(&be, char_socket_can_read, char_socket_discard_read, 1146 count_closed_event, NULL, 1147 &closed, NULL, true); 1148 1149 ioc1 = qio_channel_socket_new(); 1150 qio_channel_socket_connect_sync(ioc1, addr, &error_abort); 1151 qemu_chr_wait_connected(chr, &error_abort); 1152 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); 1158 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. 1162 */ 1163 ioc2 = qio_channel_socket_new(); 1164 qio_channel_socket_connect_sync(ioc2, addr, &error_abort); 1165 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)); 1171 ioc2 = NULL; 1172 } 1173 if (closed == 2) { 1174 break; 1175 } 1176 } 1177 1178 qapi_free_SocketAddress(addr); 1179 object_unparent(OBJECT(chr)); 1180 g_main_context_unref(ctx); 1181 g_free(optstr); 1182 g_unsetenv("QTEST_SILENT_ERRORS"); 1183 } 1184 1185 1186 #if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32) 1187 static void char_serial_test(void) 1188 { 1189 QemuOpts *opts; 1190 Chardev *chr; 1191 1192 opts = qemu_opts_create(qemu_find_opts("chardev"), "serial-id", 1193 1, &error_abort); 1194 qemu_opt_set(opts, "backend", "serial", &error_abort); 1195 qemu_opt_set(opts, "path", "/dev/null", &error_abort); 1196 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)); 1201 1202 qemu_opts_del(opts); 1203 } 1204 #endif 1205 1206 #if defined(HAVE_CHARDEV_PARALLEL) && !defined(WIN32) 1207 static void char_parallel_test(void) 1208 { 1209 QemuOpts *opts; 1210 Chardev *chr; 1211 1212 opts = qemu_opts_create(qemu_find_opts("chardev"), "parallel-id", 1213 1, &error_abort); 1214 qemu_opt_set(opts, "backend", "parallel", &error_abort); 1215 qemu_opt_set(opts, "path", "/dev/null", &error_abort); 1216 1217 chr = qemu_chr_new_from_opts(opts, NULL, NULL); 1218 #ifdef __linux__ 1219 /* fails to PPCLAIM, see qemu_chr_open_pp_fd() */ 1220 g_assert_null(chr); 1221 #else 1222 g_assert_nonnull(chr); 1223 object_unparent(OBJECT(chr)); 1224 #endif 1225 1226 qemu_opts_del(opts); 1227 } 1228 #endif 1229 1230 #ifndef _WIN32 1231 static void char_file_fifo_test(void) 1232 { 1233 Chardev *chr; 1234 CharBackend be; 1235 char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); 1236 char *fifo = g_build_filename(tmp_path, "fifo", NULL); 1237 char *out = g_build_filename(tmp_path, "out", NULL); 1238 ChardevFile file = { .in = fifo, 1239 .out = out }; 1240 ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, 1241 .u.file.data = &file }; 1242 FeHandler fe = { 0, }; 1243 int fd, ret; 1244 1245 if (mkfifo(fifo, 0600) < 0) { 1246 abort(); 1247 } 1248 1249 fd = open(fifo, O_RDWR); 1250 ret = write(fd, "fifo-in", 8); 1251 g_assert_cmpint(ret, ==, 8); 1252 1253 chr = qemu_chardev_new("label-file", TYPE_CHARDEV_FILE, &backend, 1254 NULL, &error_abort); 1255 1256 qemu_chr_fe_init(&be, chr, &error_abort); 1257 qemu_chr_fe_set_handlers(&be, 1258 fe_can_read, 1259 fe_read, 1260 fe_event, 1261 NULL, 1262 &fe, NULL, true); 1263 1264 g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK); 1265 qmp_chardev_send_break("label-foo", NULL); 1266 g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK); 1267 qmp_chardev_send_break("label-file", NULL); 1268 g_assert_cmpint(fe.last_event, ==, CHR_EVENT_BREAK); 1269 1270 main_loop(); 1271 1272 close(fd); 1273 1274 g_assert_cmpint(fe.read_count, ==, 8); 1275 g_assert_cmpstr(fe.read_buf, ==, "fifo-in"); 1276 1277 qemu_chr_fe_deinit(&be, true); 1278 1279 g_unlink(fifo); 1280 g_free(fifo); 1281 g_unlink(out); 1282 g_free(out); 1283 g_rmdir(tmp_path); 1284 g_free(tmp_path); 1285 } 1286 #endif 1287 1288 static void char_file_test_internal(Chardev *ext_chr, const char *filepath) 1289 { 1290 char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); 1291 char *out; 1292 Chardev *chr; 1293 char *contents = NULL; 1294 ChardevFile file = {}; 1295 ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, 1296 .u.file.data = &file }; 1297 gsize length; 1298 int ret; 1299 1300 if (ext_chr) { 1301 chr = ext_chr; 1302 out = g_strdup(filepath); 1303 file.out = out; 1304 } else { 1305 out = g_build_filename(tmp_path, "out", NULL); 1306 file.out = out; 1307 chr = qemu_chardev_new(NULL, TYPE_CHARDEV_FILE, &backend, 1308 NULL, &error_abort); 1309 } 1310 ret = qemu_chr_write_all(chr, (uint8_t *)"hello!", 6); 1311 g_assert_cmpint(ret, ==, 6); 1312 1313 ret = g_file_get_contents(out, &contents, &length, NULL); 1314 g_assert(ret == TRUE); 1315 g_assert_cmpint(length, ==, 6); 1316 g_assert(strncmp(contents, "hello!", 6) == 0); 1317 1318 if (!ext_chr) { 1319 object_unparent(OBJECT(chr)); 1320 g_unlink(out); 1321 } 1322 g_free(contents); 1323 g_rmdir(tmp_path); 1324 g_free(tmp_path); 1325 g_free(out); 1326 } 1327 1328 static void char_file_test(void) 1329 { 1330 char_file_test_internal(NULL, NULL); 1331 } 1332 1333 static void char_null_test(void) 1334 { 1335 Error *err = NULL; 1336 Chardev *chr; 1337 CharBackend be; 1338 int ret; 1339 1340 chr = qemu_chr_find("label-null"); 1341 g_assert_null(chr); 1342 1343 chr = qemu_chr_new("label-null", "null", NULL); 1344 chr = qemu_chr_find("label-null"); 1345 g_assert_nonnull(chr); 1346 1347 g_assert(qemu_chr_has_feature(chr, 1348 QEMU_CHAR_FEATURE_FD_PASS) == false); 1349 g_assert(qemu_chr_has_feature(chr, 1350 QEMU_CHAR_FEATURE_RECONNECTABLE) == false); 1351 1352 /* check max avail */ 1353 qemu_chr_fe_init(&be, chr, &error_abort); 1354 qemu_chr_fe_init(&be, chr, &err); 1355 error_free_or_abort(&err); 1356 1357 /* deinit & reinit */ 1358 qemu_chr_fe_deinit(&be, false); 1359 qemu_chr_fe_init(&be, chr, &error_abort); 1360 1361 qemu_chr_fe_set_open(&be, true); 1362 1363 qemu_chr_fe_set_handlers(&be, 1364 fe_can_read, 1365 fe_read, 1366 fe_event, 1367 NULL, 1368 NULL, NULL, true); 1369 1370 ret = qemu_chr_fe_write(&be, (void *)"buf", 4); 1371 g_assert_cmpint(ret, ==, 4); 1372 1373 qemu_chr_fe_deinit(&be, true); 1374 } 1375 1376 static void char_invalid_test(void) 1377 { 1378 Chardev *chr; 1379 g_setenv("QTEST_SILENT_ERRORS", "1", 1); 1380 chr = qemu_chr_new("label-invalid", "invalid", NULL); 1381 g_assert_null(chr); 1382 g_unsetenv("QTEST_SILENT_ERRORS"); 1383 } 1384 1385 static int chardev_change(void *opaque) 1386 { 1387 return 0; 1388 } 1389 1390 static int chardev_change_denied(void *opaque) 1391 { 1392 return -1; 1393 } 1394 1395 static void char_hotswap_test(void) 1396 { 1397 char *chr_args; 1398 Chardev *chr; 1399 CharBackend be; 1400 1401 gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); 1402 char *filename = g_build_filename(tmp_path, "file", NULL); 1403 ChardevFile file = { .out = filename }; 1404 ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, 1405 .u.file.data = &file }; 1406 ChardevReturn *ret; 1407 1408 int port; 1409 int sock = make_udp_socket(&port); 1410 g_assert_cmpint(sock, >=, 0); 1411 1412 chr_args = g_strdup_printf("udp:127.0.0.1:%d", port); 1413 1414 chr = qemu_chr_new("chardev", chr_args, NULL); 1415 qemu_chr_fe_init(&be, chr, &error_abort); 1416 1417 /* check that chardev operates correctly */ 1418 char_udp_test_internal(chr, sock); 1419 1420 /* set the handler that denies the hotswap */ 1421 qemu_chr_fe_set_handlers(&be, NULL, NULL, 1422 NULL, chardev_change_denied, NULL, NULL, true); 1423 1424 /* now, change is denied and has to keep the old backend operating */ 1425 ret = qmp_chardev_change("chardev", &backend, NULL); 1426 g_assert(!ret); 1427 g_assert(be.chr == chr); 1428 1429 char_udp_test_internal(chr, sock); 1430 1431 /* now allow the change */ 1432 qemu_chr_fe_set_handlers(&be, NULL, NULL, 1433 NULL, chardev_change, NULL, NULL, true); 1434 1435 /* has to succeed now */ 1436 ret = qmp_chardev_change("chardev", &backend, &error_abort); 1437 g_assert(be.chr != chr); 1438 1439 close(sock); 1440 chr = be.chr; 1441 1442 /* run the file chardev test */ 1443 char_file_test_internal(chr, filename); 1444 1445 object_unparent(OBJECT(chr)); 1446 1447 qapi_free_ChardevReturn(ret); 1448 g_unlink(filename); 1449 g_free(filename); 1450 g_rmdir(tmp_path); 1451 g_free(tmp_path); 1452 g_free(chr_args); 1453 } 1454 1455 static SocketAddress tcpaddr = { 1456 .type = SOCKET_ADDRESS_TYPE_INET, 1457 .u.inet.host = (char *)"127.0.0.1", 1458 .u.inet.port = (char *)"0", 1459 }; 1460 #ifndef WIN32 1461 static SocketAddress unixaddr = { 1462 .type = SOCKET_ADDRESS_TYPE_UNIX, 1463 .u.q_unix.path = (char *)"test-char.sock", 1464 }; 1465 #endif 1466 1467 int main(int argc, char **argv) 1468 { 1469 bool has_ipv4, has_ipv6; 1470 1471 qemu_init_main_loop(&error_abort); 1472 socket_init(); 1473 1474 g_test_init(&argc, &argv, NULL); 1475 1476 if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) { 1477 g_printerr("socket_check_protocol_support() failed\n"); 1478 goto end; 1479 } 1480 1481 module_call_init(MODULE_INIT_QOM); 1482 qemu_add_opts(&qemu_chardev_opts); 1483 1484 g_test_add_func("/char/null", char_null_test); 1485 g_test_add_func("/char/invalid", char_invalid_test); 1486 g_test_add_func("/char/ringbuf", char_ringbuf_test); 1487 g_test_add_func("/char/mux", char_mux_test); 1488 #ifdef _WIN32 1489 g_test_add_func("/char/console/subprocess", char_console_test_subprocess); 1490 g_test_add_func("/char/console", char_console_test); 1491 #endif 1492 g_test_add_func("/char/stdio/subprocess", char_stdio_test_subprocess); 1493 g_test_add_func("/char/stdio", char_stdio_test); 1494 #ifndef _WIN32 1495 g_test_add_func("/char/pipe", char_pipe_test); 1496 #endif 1497 g_test_add_func("/char/file", char_file_test); 1498 #ifndef _WIN32 1499 g_test_add_func("/char/file-fifo", char_file_fifo_test); 1500 #endif 1501 1502 #define SOCKET_SERVER_TEST(name, addr) \ 1503 static CharSocketServerTestConfig server1 ## name = \ 1504 { addr, false, false }; \ 1505 static CharSocketServerTestConfig server2 ## name = \ 1506 { addr, true, false }; \ 1507 static CharSocketServerTestConfig server3 ## name = \ 1508 { addr, false, true }; \ 1509 static CharSocketServerTestConfig server4 ## name = \ 1510 { addr, true, true }; \ 1511 g_test_add_data_func("/char/socket/server/mainloop/" # name, \ 1512 &server1 ##name, char_socket_server_test); \ 1513 g_test_add_data_func("/char/socket/server/wait-conn/" # name, \ 1514 &server2 ##name, char_socket_server_test); \ 1515 g_test_add_data_func("/char/socket/server/mainloop-fdpass/" # name, \ 1516 &server3 ##name, char_socket_server_test); \ 1517 g_test_add_data_func("/char/socket/server/wait-conn-fdpass/" # name, \ 1518 &server4 ##name, char_socket_server_test) 1519 1520 #define SOCKET_CLIENT_TEST(name, addr) \ 1521 static CharSocketClientTestConfig client1 ## name = \ 1522 { addr, NULL, false, false, char_socket_event }; \ 1523 static CharSocketClientTestConfig client2 ## name = \ 1524 { addr, NULL, true, false, char_socket_event }; \ 1525 static CharSocketClientTestConfig client3 ## name = \ 1526 { addr, ",reconnect=1", false, false, char_socket_event }; \ 1527 static CharSocketClientTestConfig client4 ## name = \ 1528 { addr, ",reconnect=1", true, false, char_socket_event }; \ 1529 static CharSocketClientTestConfig client5 ## name = \ 1530 { addr, NULL, false, true, char_socket_event }; \ 1531 static CharSocketClientTestConfig client6 ## name = \ 1532 { addr, NULL, true, true, char_socket_event }; \ 1533 static CharSocketClientTestConfig client7 ## name = \ 1534 { addr, ",reconnect=1", true, false, \ 1535 char_socket_event_with_error }; \ 1536 static CharSocketClientTestConfig client8 ## name = \ 1537 { addr, ",reconnect=1", false, false, char_socket_event }; \ 1538 g_test_add_data_func("/char/socket/client/mainloop/" # name, \ 1539 &client1 ##name, char_socket_client_test); \ 1540 g_test_add_data_func("/char/socket/client/wait-conn/" # name, \ 1541 &client2 ##name, char_socket_client_test); \ 1542 g_test_add_data_func("/char/socket/client/mainloop-reconnect/" # name, \ 1543 &client3 ##name, char_socket_client_test); \ 1544 g_test_add_data_func("/char/socket/client/wait-conn-reconnect/" # name, \ 1545 &client4 ##name, char_socket_client_test); \ 1546 g_test_add_data_func("/char/socket/client/mainloop-fdpass/" # name, \ 1547 &client5 ##name, char_socket_client_test); \ 1548 g_test_add_data_func("/char/socket/client/wait-conn-fdpass/" # name, \ 1549 &client6 ##name, char_socket_client_test); \ 1550 g_test_add_data_func("/char/socket/client/reconnect-error/" # name, \ 1551 &client7 ##name, char_socket_client_test); \ 1552 g_test_add_data_func("/char/socket/client/dupid-reconnect/" # name, \ 1553 &client8 ##name, char_socket_client_dupid_test) 1554 1555 if (has_ipv4) { 1556 SOCKET_SERVER_TEST(tcp, &tcpaddr); 1557 SOCKET_CLIENT_TEST(tcp, &tcpaddr); 1558 g_test_add_data_func("/char/socket/server/two-clients/tcp", &tcpaddr, 1559 char_socket_server_two_clients_test); 1560 } 1561 #ifndef WIN32 1562 SOCKET_SERVER_TEST(unix, &unixaddr); 1563 SOCKET_CLIENT_TEST(unix, &unixaddr); 1564 g_test_add_data_func("/char/socket/server/two-clients/unix", &unixaddr, 1565 char_socket_server_two_clients_test); 1566 #endif 1567 1568 g_test_add_func("/char/udp", char_udp_test); 1569 #if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32) 1570 g_test_add_func("/char/serial", char_serial_test); 1571 #endif 1572 #if defined(HAVE_CHARDEV_PARALLEL) && !defined(WIN32) 1573 g_test_add_func("/char/parallel", char_parallel_test); 1574 #endif 1575 g_test_add_func("/char/hotswap", char_hotswap_test); 1576 g_test_add_func("/char/websocket", char_websock_test); 1577 1578 end: 1579 return g_test_run(); 1580 } 1581