|  | #include "qemu/osdep.h" | 
|  | #include <glib/gstdio.h> | 
|  |  | 
|  | #include "qapi/error.h" | 
|  | #include "qemu/config-file.h" | 
|  | #include "qemu/module.h" | 
|  | #include "qemu/option.h" | 
|  | #include "qemu/sockets.h" | 
|  | #include "chardev/char-fe.h" | 
|  | #include "system/system.h" | 
|  | #include "qapi/error.h" | 
|  | #include "qapi/qapi-commands-char.h" | 
|  | #include "qobject/qdict.h" | 
|  | #include "qom/qom-qobject.h" | 
|  | #include "io/channel-socket.h" | 
|  | #include "qapi/qobject-input-visitor.h" | 
|  | #include "qapi/qapi-visit-sockets.h" | 
|  | #include "socket-helpers.h" | 
|  |  | 
|  | static bool quit; | 
|  |  | 
|  | typedef struct FeHandler { | 
|  | int read_count; | 
|  | bool is_open; | 
|  | int openclose_count; | 
|  | bool openclose_mismatch; | 
|  | int last_event; | 
|  | char read_buf[128]; | 
|  | } FeHandler; | 
|  |  | 
|  | static void main_loop(void) | 
|  | { | 
|  | quit = false; | 
|  | do { | 
|  | main_loop_wait(false); | 
|  | } while (!quit); | 
|  | } | 
|  |  | 
|  | static int fe_can_read(void *opaque) | 
|  | { | 
|  | FeHandler *h = opaque; | 
|  |  | 
|  | return sizeof(h->read_buf) - h->read_count; | 
|  | } | 
|  |  | 
|  | static void fe_read(void *opaque, const uint8_t *buf, int size) | 
|  | { | 
|  | FeHandler *h = opaque; | 
|  |  | 
|  | g_assert_cmpint(size, <=, fe_can_read(opaque)); | 
|  |  | 
|  | memcpy(h->read_buf + h->read_count, buf, size); | 
|  | h->read_count += size; | 
|  | quit = true; | 
|  | } | 
|  |  | 
|  | static void fe_event(void *opaque, QEMUChrEvent event) | 
|  | { | 
|  | FeHandler *h = opaque; | 
|  | bool new_open_state; | 
|  |  | 
|  | h->last_event = event; | 
|  | switch (event) { | 
|  | case CHR_EVENT_BREAK: | 
|  | break; | 
|  | case CHR_EVENT_OPENED: | 
|  | case CHR_EVENT_CLOSED: | 
|  | h->openclose_count++; | 
|  | new_open_state = (event == CHR_EVENT_OPENED); | 
|  | if (h->is_open == new_open_state) { | 
|  | h->openclose_mismatch = true; | 
|  | } | 
|  | h->is_open = new_open_state; | 
|  | /* fallthrough */ | 
|  | default: | 
|  | quit = true; | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | #ifdef _WIN32 | 
|  | static void char_console_test_subprocess(void) | 
|  | { | 
|  | QemuOpts *opts; | 
|  | Chardev *chr; | 
|  |  | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "console-label", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "console", &error_abort); | 
|  |  | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, NULL); | 
|  | g_assert_nonnull(chr); | 
|  |  | 
|  | qemu_chr_write_all(chr, (const uint8_t *)"CONSOLE", 7); | 
|  |  | 
|  | qemu_opts_del(opts); | 
|  | object_unparent(OBJECT(chr)); | 
|  | } | 
|  |  | 
|  | static void char_console_test(void) | 
|  | { | 
|  | g_test_trap_subprocess("/char/console/subprocess", 0, 0); | 
|  | g_test_trap_assert_passed(); | 
|  | g_test_trap_assert_stdout("CONSOLE"); | 
|  | } | 
|  | #endif | 
|  | static void char_stdio_test_subprocess(void) | 
|  | { | 
|  | Chardev *chr; | 
|  | CharBackend be; | 
|  | int ret; | 
|  |  | 
|  | chr = qemu_chr_new("label", "stdio", NULL); | 
|  | g_assert_nonnull(chr); | 
|  |  | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  | qemu_chr_fe_set_open(&be, true); | 
|  | ret = qemu_chr_fe_write(&be, (void *)"buf", 4); | 
|  | g_assert_cmpint(ret, ==, 4); | 
|  |  | 
|  | qemu_chr_fe_deinit(&be, true); | 
|  | } | 
|  |  | 
|  | static void char_stdio_test(void) | 
|  | { | 
|  | g_test_trap_subprocess("/char/stdio/subprocess", 0, 0); | 
|  | g_test_trap_assert_passed(); | 
|  | g_test_trap_assert_stdout("buf"); | 
|  | } | 
|  |  | 
|  | static void char_ringbuf_test(void) | 
|  | { | 
|  | QemuOpts *opts; | 
|  | Chardev *chr; | 
|  | CharBackend be; | 
|  | char *data; | 
|  | int ret; | 
|  |  | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); | 
|  |  | 
|  | qemu_opt_set(opts, "size", "5", &error_abort); | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, NULL); | 
|  | g_assert_null(chr); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "ringbuf-label", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); | 
|  | qemu_opt_set(opts, "size", "2", &error_abort); | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(chr); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  | ret = qemu_chr_fe_write(&be, (void *)"buff", 4); | 
|  | g_assert_cmpint(ret, ==, 4); | 
|  |  | 
|  | data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort); | 
|  | g_assert_cmpstr(data, ==, "ff"); | 
|  | g_free(data); | 
|  |  | 
|  | data = qmp_ringbuf_read("ringbuf-label", 4, false, 0, &error_abort); | 
|  | g_assert_cmpstr(data, ==, ""); | 
|  | g_free(data); | 
|  |  | 
|  | qemu_chr_fe_deinit(&be, true); | 
|  |  | 
|  | /* check alias */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "memory-label", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "memory", &error_abort); | 
|  | qemu_opt_set(opts, "size", "2", &error_abort); | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, NULL); | 
|  | g_assert_nonnull(chr); | 
|  | object_unparent(OBJECT(chr)); | 
|  | qemu_opts_del(opts); | 
|  | } | 
|  |  | 
|  | static void char_mux_test(void) | 
|  | { | 
|  | QemuOpts *opts; | 
|  | Chardev *chr, *base; | 
|  | char *data; | 
|  | FeHandler h1 = { 0, false, 0, false, }, h2 = { 0, false, 0, false, }; | 
|  | CharBackend chr_be1, chr_be2; | 
|  | Error *error = NULL; | 
|  |  | 
|  | /* Create mux and chardev to be immediately removed */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); | 
|  | qemu_opt_set(opts, "size", "128", &error_abort); | 
|  | qemu_opt_set(opts, "mux", "on", &error_abort); | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(chr); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* Remove just created mux and chardev */ | 
|  | qmp_chardev_remove("mux-label", &error_abort); | 
|  | qmp_chardev_remove("mux-label-base", &error_abort); | 
|  |  | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "mux-label", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); | 
|  | qemu_opt_set(opts, "size", "128", &error_abort); | 
|  | qemu_opt_set(opts, "mux", "on", &error_abort); | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(chr); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | qemu_chr_fe_init(&chr_be1, chr, &error_abort); | 
|  | qemu_chr_fe_set_handlers(&chr_be1, | 
|  | fe_can_read, | 
|  | fe_read, | 
|  | fe_event, | 
|  | NULL, | 
|  | &h1, | 
|  | NULL, true); | 
|  |  | 
|  | qemu_chr_fe_init(&chr_be2, chr, &error_abort); | 
|  | qemu_chr_fe_set_handlers(&chr_be2, | 
|  | fe_can_read, | 
|  | fe_read, | 
|  | fe_event, | 
|  | NULL, | 
|  | &h2, | 
|  | NULL, true); | 
|  | qemu_chr_fe_take_focus(&chr_be2); | 
|  |  | 
|  | base = qemu_chr_find("mux-label-base"); | 
|  | g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0); | 
|  |  | 
|  | qemu_chr_be_write(base, (void *)"hello", 6); | 
|  | g_assert_cmpint(h1.read_count, ==, 0); | 
|  | g_assert_cmpint(h2.read_count, ==, 6); | 
|  | g_assert_cmpstr(h2.read_buf, ==, "hello"); | 
|  | h2.read_count = 0; | 
|  |  | 
|  | g_assert_cmpint(h1.last_event, !=, 42); /* should be MUX_OUT or OPENED */ | 
|  | g_assert_cmpint(h2.last_event, !=, 42); /* should be MUX_IN or OPENED */ | 
|  | /* sending event on the base broadcast to all fe, historical reasons? */ | 
|  | qemu_chr_be_event(base, 42); | 
|  | g_assert_cmpint(h1.last_event, ==, 42); | 
|  | g_assert_cmpint(h2.last_event, ==, 42); | 
|  | qemu_chr_be_event(chr, -1); | 
|  | g_assert_cmpint(h1.last_event, ==, 42); | 
|  | g_assert_cmpint(h2.last_event, ==, -1); | 
|  |  | 
|  | /* switch focus */ | 
|  | qemu_chr_be_write(base, (void *)"\1b", 2); | 
|  | g_assert_cmpint(h1.last_event, ==, 42); | 
|  | g_assert_cmpint(h2.last_event, ==, CHR_EVENT_BREAK); | 
|  |  | 
|  | qemu_chr_be_write(base, (void *)"\1c", 2); | 
|  | g_assert_cmpint(h1.last_event, ==, CHR_EVENT_MUX_IN); | 
|  | g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT); | 
|  | qemu_chr_be_event(chr, -1); | 
|  | g_assert_cmpint(h1.last_event, ==, -1); | 
|  | g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT); | 
|  |  | 
|  | qemu_chr_be_write(base, (void *)"hello", 6); | 
|  | g_assert_cmpint(h2.read_count, ==, 0); | 
|  | g_assert_cmpint(h1.read_count, ==, 6); | 
|  | g_assert_cmpstr(h1.read_buf, ==, "hello"); | 
|  | h1.read_count = 0; | 
|  |  | 
|  | qemu_chr_be_write(base, (void *)"\1b", 2); | 
|  | g_assert_cmpint(h1.last_event, ==, CHR_EVENT_BREAK); | 
|  | g_assert_cmpint(h2.last_event, ==, CHR_EVENT_MUX_OUT); | 
|  |  | 
|  | /* open/close state and corresponding events */ | 
|  | g_assert_true(qemu_chr_fe_backend_open(&chr_be1)); | 
|  | g_assert_true(qemu_chr_fe_backend_open(&chr_be2)); | 
|  | g_assert_true(h1.is_open); | 
|  | g_assert_false(h1.openclose_mismatch); | 
|  | g_assert_true(h2.is_open); | 
|  | g_assert_false(h2.openclose_mismatch); | 
|  |  | 
|  | h1.openclose_count = h2.openclose_count = 0; | 
|  |  | 
|  | qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL, | 
|  | NULL, NULL, false); | 
|  | qemu_chr_fe_set_handlers(&chr_be2, NULL, NULL, NULL, NULL, | 
|  | NULL, NULL, false); | 
|  | g_assert_cmpint(h1.openclose_count, ==, 0); | 
|  | g_assert_cmpint(h2.openclose_count, ==, 0); | 
|  |  | 
|  | h1.is_open = h2.is_open = false; | 
|  | qemu_chr_fe_set_handlers(&chr_be1, | 
|  | NULL, | 
|  | NULL, | 
|  | fe_event, | 
|  | NULL, | 
|  | &h1, | 
|  | NULL, false); | 
|  | qemu_chr_fe_set_handlers(&chr_be2, | 
|  | NULL, | 
|  | NULL, | 
|  | fe_event, | 
|  | NULL, | 
|  | &h2, | 
|  | NULL, false); | 
|  | g_assert_cmpint(h1.openclose_count, ==, 1); | 
|  | g_assert_false(h1.openclose_mismatch); | 
|  | g_assert_cmpint(h2.openclose_count, ==, 1); | 
|  | g_assert_false(h2.openclose_mismatch); | 
|  |  | 
|  | qemu_chr_be_event(base, CHR_EVENT_CLOSED); | 
|  | qemu_chr_be_event(base, CHR_EVENT_OPENED); | 
|  | g_assert_cmpint(h1.openclose_count, ==, 3); | 
|  | g_assert_false(h1.openclose_mismatch); | 
|  | g_assert_cmpint(h2.openclose_count, ==, 3); | 
|  | g_assert_false(h2.openclose_mismatch); | 
|  |  | 
|  | qemu_chr_fe_set_handlers(&chr_be2, | 
|  | fe_can_read, | 
|  | fe_read, | 
|  | fe_event, | 
|  | NULL, | 
|  | &h2, | 
|  | NULL, false); | 
|  | qemu_chr_fe_set_handlers(&chr_be1, | 
|  | fe_can_read, | 
|  | fe_read, | 
|  | fe_event, | 
|  | NULL, | 
|  | &h1, | 
|  | NULL, false); | 
|  |  | 
|  | /* remove first handler */ | 
|  | qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL, | 
|  | NULL, NULL, true); | 
|  | qemu_chr_be_write(base, (void *)"hello", 6); | 
|  | g_assert_cmpint(h1.read_count, ==, 0); | 
|  | g_assert_cmpint(h2.read_count, ==, 0); | 
|  |  | 
|  | qemu_chr_be_write(base, (void *)"\1c", 2); | 
|  | qemu_chr_be_write(base, (void *)"hello", 6); | 
|  | g_assert_cmpint(h1.read_count, ==, 0); | 
|  | g_assert_cmpint(h2.read_count, ==, 6); | 
|  | g_assert_cmpstr(h2.read_buf, ==, "hello"); | 
|  | h2.read_count = 0; | 
|  |  | 
|  | /* print help */ | 
|  | qemu_chr_be_write(base, (void *)"\1?", 2); | 
|  | data = qmp_ringbuf_read("mux-label-base", 128, false, 0, &error_abort); | 
|  | g_assert_cmpint(strlen(data), !=, 0); | 
|  | g_free(data); | 
|  |  | 
|  | qemu_chr_fe_deinit(&chr_be1, false); | 
|  |  | 
|  | qmp_chardev_remove("mux-label", &error); | 
|  | g_assert_cmpstr(error_get_pretty(error), ==, "Chardev 'mux-label' is busy"); | 
|  | error_free(error); | 
|  |  | 
|  | qemu_chr_fe_deinit(&chr_be2, false); | 
|  | qmp_chardev_remove("mux-label", &error_abort); | 
|  | } | 
|  |  | 
|  | static void char_hub_test(void) | 
|  | { | 
|  | QemuOpts *opts; | 
|  | Chardev *hub, *chr1, *chr2, *base; | 
|  | char *data; | 
|  | FeHandler h = { 0, false, 0, false, }; | 
|  | Error *error = NULL; | 
|  | CharBackend chr_be; | 
|  | int ret, i; | 
|  |  | 
|  | #define RB_SIZE 128 | 
|  |  | 
|  | /* | 
|  | * Create invalid hub | 
|  | * 1. Create hub without a 'chardevs.N' defined (expect error) | 
|  | */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "hub", &error_abort); | 
|  | hub = qemu_chr_new_from_opts(opts, NULL, &error); | 
|  | g_assert_cmpstr(error_get_pretty(error), ==, | 
|  | "hub: 'chardevs' list is not defined"); | 
|  | error_free(error); | 
|  | error = NULL; | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* | 
|  | * Create invalid hub | 
|  | * 1. Create chardev with embedded mux: 'mux=on' | 
|  | * 2. Create hub which refers mux | 
|  | * 3. Create hub which refers chardev already attached | 
|  | *    to the mux (already in use, expect error) | 
|  | */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr0", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "mux", "on", &error_abort); | 
|  | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); | 
|  | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); | 
|  | base = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(base); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "hub", &error_abort); | 
|  | qemu_opt_set(opts, "chardevs.0", "chr0", &error_abort); | 
|  | hub = qemu_chr_new_from_opts(opts, NULL, &error); | 
|  | g_assert_cmpstr(error_get_pretty(error), ==, | 
|  | "hub: multiplexers and hub devices can't be " | 
|  | "stacked, check chardev 'chr0', chardev should " | 
|  | "not be a hub device or have 'mux=on' enabled"); | 
|  | error_free(error); | 
|  | error = NULL; | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "hub", &error_abort); | 
|  | qemu_opt_set(opts, "chardevs.0", "chr0-base", &error_abort); | 
|  | hub = qemu_chr_new_from_opts(opts, NULL, &error); | 
|  | g_assert_cmpstr(error_get_pretty(error), ==, | 
|  | "chardev 'chr0-base' is already in use"); | 
|  | error_free(error); | 
|  | error = NULL; | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* Finalize chr0 */ | 
|  | qmp_chardev_remove("chr0", &error_abort); | 
|  |  | 
|  | /* | 
|  | * Create invalid hub with more than maximum allowed backends | 
|  | * 1. Create more than maximum allowed 'chardevs.%d' options for | 
|  | *    hub (expect error) | 
|  | */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", | 
|  | 1, &error_abort); | 
|  | for (i = 0; i < 10; i++) { | 
|  | char key[32], val[32]; | 
|  |  | 
|  | snprintf(key, sizeof(key), "chardevs.%d", i); | 
|  | snprintf(val, sizeof(val), "chr%d", i); | 
|  | qemu_opt_set(opts, key, val, &error); | 
|  | if (error) { | 
|  | char buf[64]; | 
|  |  | 
|  | snprintf(buf, sizeof(buf), "Invalid parameter 'chardevs.%d'", i); | 
|  | g_assert_cmpstr(error_get_pretty(error), ==, buf); | 
|  | error_free(error); | 
|  | break; | 
|  | } | 
|  | } | 
|  | g_assert_nonnull(error); | 
|  | error = NULL; | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* | 
|  | * Create hub with 2 backend chardevs and 1 frontend and perform | 
|  | * data aggregation | 
|  | * 1. Create 2 ringbuf backend chardevs | 
|  | * 2. Create 1 frontend | 
|  | * 3. Create hub which refers 2 backend chardevs | 
|  | * 4. Attach hub to a frontend | 
|  | * 5. Attach hub to a frontend second time (expect error) | 
|  | * 6. Perform data aggregation | 
|  | * 7. Remove chr1 ("chr1 is busy", expect error) | 
|  | * 8. Remove hub0 ("hub0 is busy", expect error); | 
|  | * 9. Finilize frontend, hub and backend chardevs in correct order | 
|  | */ | 
|  |  | 
|  | /* Create first chardev */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr1", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); | 
|  | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); | 
|  | chr1 = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(chr1); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* Create second chardev */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr2", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); | 
|  | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); | 
|  | chr2 = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(chr2); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* Create hub0 and refer 2 backend chardevs */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "hub", &error_abort); | 
|  | qemu_opt_set(opts, "chardevs.0", "chr1", &error_abort); | 
|  | qemu_opt_set(opts, "chardevs.1", "chr2", &error_abort); | 
|  | hub = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(hub); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* Attach hub to a frontend */ | 
|  | qemu_chr_fe_init(&chr_be, hub, &error_abort); | 
|  | qemu_chr_fe_set_handlers(&chr_be, | 
|  | fe_can_read, | 
|  | fe_read, | 
|  | fe_event, | 
|  | NULL, | 
|  | &h, | 
|  | NULL, true); | 
|  |  | 
|  | /* Fails second time */ | 
|  | qemu_chr_fe_init(&chr_be, hub, &error); | 
|  | g_assert_cmpstr(error_get_pretty(error), ==, "chardev 'hub0' is already in use"); | 
|  | error_free(error); | 
|  | error = NULL; | 
|  |  | 
|  | /* Write to backend, chr1 */ | 
|  | base = qemu_chr_find("chr1"); | 
|  | g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0); | 
|  |  | 
|  | qemu_chr_be_write(base, (void *)"hello", 6); | 
|  | g_assert_cmpint(h.read_count, ==, 6); | 
|  | g_assert_cmpstr(h.read_buf, ==, "hello"); | 
|  | h.read_count = 0; | 
|  |  | 
|  | /* Write to backend, chr2 */ | 
|  | base = qemu_chr_find("chr2"); | 
|  | g_assert_cmpint(qemu_chr_be_can_write(base), !=, 0); | 
|  |  | 
|  | qemu_chr_be_write(base, (void *)"olleh", 6); | 
|  | g_assert_cmpint(h.read_count, ==, 6); | 
|  | g_assert_cmpstr(h.read_buf, ==, "olleh"); | 
|  | h.read_count = 0; | 
|  |  | 
|  | /* Write to frontend, chr_be */ | 
|  | ret = qemu_chr_fe_write(&chr_be, (void *)"heyhey", 6); | 
|  | g_assert_cmpint(ret, ==, 6); | 
|  |  | 
|  | data = qmp_ringbuf_read("chr1", RB_SIZE, false, 0, &error_abort); | 
|  | g_assert_cmpint(strlen(data), ==, 6); | 
|  | g_assert_cmpstr(data, ==, "heyhey"); | 
|  | g_free(data); | 
|  |  | 
|  | data = qmp_ringbuf_read("chr2", RB_SIZE, false, 0, &error_abort); | 
|  | g_assert_cmpint(strlen(data), ==, 6); | 
|  | g_assert_cmpstr(data, ==, "heyhey"); | 
|  | g_free(data); | 
|  |  | 
|  | /* Can't be removed, depends on hub0 */ | 
|  | qmp_chardev_remove("chr1", &error); | 
|  | g_assert_cmpstr(error_get_pretty(error), ==, "Chardev 'chr1' is busy"); | 
|  | error_free(error); | 
|  | error = NULL; | 
|  |  | 
|  | /* Can't be removed, depends on frontend chr_be */ | 
|  | qmp_chardev_remove("hub0", &error); | 
|  | g_assert_cmpstr(error_get_pretty(error), ==, "Chardev 'hub0' is busy"); | 
|  | error_free(error); | 
|  | error = NULL; | 
|  |  | 
|  | /* Finalize frontend */ | 
|  | qemu_chr_fe_deinit(&chr_be, false); | 
|  |  | 
|  | /* Finalize hub0 */ | 
|  | qmp_chardev_remove("hub0", &error_abort); | 
|  |  | 
|  | /* Finalize backend chardevs */ | 
|  | qmp_chardev_remove("chr1", &error_abort); | 
|  | qmp_chardev_remove("chr2", &error_abort); | 
|  |  | 
|  | #ifndef _WIN32 | 
|  | /* | 
|  | * Create 3 backend chardevs to simulate EAGAIN and watcher. | 
|  | * Mainly copied from char_pipe_test(). | 
|  | * 1. Create 2 ringbuf backend chardevs | 
|  | * 2. Create 1 pipe backend chardev | 
|  | * 3. Create 1 frontend | 
|  | * 4. Create hub which refers 2 backend chardevs | 
|  | * 5. Attach hub to a frontend | 
|  | * 6. Perform data aggregation and check watcher | 
|  | * 7. Finilize frontend, hub and backend chardevs in correct order | 
|  | */ | 
|  | { | 
|  | gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); | 
|  | gchar *in, *out, *pipe = g_build_filename(tmp_path, "pipe", NULL); | 
|  | Chardev *chr3; | 
|  | int fd, len; | 
|  | char buf[128]; | 
|  |  | 
|  | in = g_strdup_printf("%s.in", pipe); | 
|  | if (mkfifo(in, 0600) < 0) { | 
|  | abort(); | 
|  | } | 
|  | out = g_strdup_printf("%s.out", pipe); | 
|  | if (mkfifo(out, 0600) < 0) { | 
|  | abort(); | 
|  | } | 
|  |  | 
|  | /* Create first chardev */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr1", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); | 
|  | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); | 
|  | chr1 = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(chr1); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* Create second chardev */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr2", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "ringbuf", &error_abort); | 
|  | qemu_opt_set(opts, "size", stringify(RB_SIZE), &error_abort); | 
|  | chr2 = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(chr2); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* Create third chardev */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "chr3", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "pipe", &error_abort); | 
|  | qemu_opt_set(opts, "path", pipe, &error_abort); | 
|  | chr3 = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(chr3); | 
|  |  | 
|  | /* Create hub0 and refer 3 backend chardevs */ | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "hub0", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "hub", &error_abort); | 
|  | qemu_opt_set(opts, "chardevs.0", "chr1", &error_abort); | 
|  | qemu_opt_set(opts, "chardevs.1", "chr2", &error_abort); | 
|  | qemu_opt_set(opts, "chardevs.2", "chr3", &error_abort); | 
|  | hub = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(hub); | 
|  | qemu_opts_del(opts); | 
|  |  | 
|  | /* Attach hub to a frontend */ | 
|  | qemu_chr_fe_init(&chr_be, hub, &error_abort); | 
|  | qemu_chr_fe_set_handlers(&chr_be, | 
|  | fe_can_read, | 
|  | fe_read, | 
|  | fe_event, | 
|  | NULL, | 
|  | &h, | 
|  | NULL, true); | 
|  |  | 
|  | /* Write to frontend, chr_be */ | 
|  | ret = qemu_chr_fe_write(&chr_be, (void *)"thisis", 6); | 
|  | g_assert_cmpint(ret, ==, 6); | 
|  |  | 
|  | data = qmp_ringbuf_read("chr1", RB_SIZE, false, 0, &error_abort); | 
|  | g_assert_cmpint(strlen(data), ==, 6); | 
|  | g_assert_cmpstr(data, ==, "thisis"); | 
|  | g_free(data); | 
|  |  | 
|  | data = qmp_ringbuf_read("chr2", RB_SIZE, false, 0, &error_abort); | 
|  | g_assert_cmpint(strlen(data), ==, 6); | 
|  | g_assert_cmpstr(data, ==, "thisis"); | 
|  | g_free(data); | 
|  |  | 
|  | fd = open(out, O_RDWR); | 
|  | ret = read(fd, buf, sizeof(buf)); | 
|  | g_assert_cmpint(ret, ==, 6); | 
|  | buf[ret] = 0; | 
|  | g_assert_cmpstr(buf, ==, "thisis"); | 
|  | close(fd); | 
|  |  | 
|  | /* Add watch. 0 indicates no watches if nothing to wait for */ | 
|  | ret = qemu_chr_fe_add_watch(&chr_be, G_IO_OUT | G_IO_HUP, | 
|  | NULL, NULL); | 
|  | g_assert_cmpint(ret, ==, 0); | 
|  |  | 
|  | /* | 
|  | * Write to frontend, chr_be, until EAGAIN. Make sure length is | 
|  | * power of two to fit nicely the whole pipe buffer. | 
|  | */ | 
|  | len = 0; | 
|  | while ((ret = qemu_chr_fe_write(&chr_be, (void *)"thisisit", 8)) | 
|  | != -1) { | 
|  | len += ret; | 
|  | } | 
|  | g_assert_cmpint(errno, ==, EAGAIN); | 
|  |  | 
|  | /* Further all writes should cause EAGAIN */ | 
|  | ret = qemu_chr_fe_write(&chr_be, (void *)"b", 1); | 
|  | g_assert_cmpint(ret, ==, -1); | 
|  | g_assert_cmpint(errno, ==, EAGAIN); | 
|  |  | 
|  | /* | 
|  | * Add watch. Non 0 indicates we have a blocked chardev, which | 
|  | * can wakes us up when write is possible. | 
|  | */ | 
|  | ret = qemu_chr_fe_add_watch(&chr_be, G_IO_OUT | G_IO_HUP, | 
|  | NULL, NULL); | 
|  | g_assert_cmpint(ret, !=, 0); | 
|  | g_source_remove(ret); | 
|  |  | 
|  | /* Drain pipe and ring buffers */ | 
|  | fd = open(out, O_RDWR); | 
|  | while ((ret = read(fd, buf, MIN(sizeof(buf), len))) != -1 && len > 0) { | 
|  | len -= ret; | 
|  | } | 
|  | close(fd); | 
|  |  | 
|  | data = qmp_ringbuf_read("chr1", RB_SIZE, false, 0, &error_abort); | 
|  | g_assert_cmpint(strlen(data), ==, 128); | 
|  | g_free(data); | 
|  |  | 
|  | data = qmp_ringbuf_read("chr2", RB_SIZE, false, 0, &error_abort); | 
|  | g_assert_cmpint(strlen(data), ==, 128); | 
|  | g_free(data); | 
|  |  | 
|  | /* | 
|  | * Now we are good to go, first repeat "lost" sequence, which | 
|  | * was already consumed and drained by the ring buffers, but | 
|  | * pipe have not recieved that yet. | 
|  | */ | 
|  | ret = qemu_chr_fe_write(&chr_be, (void *)"thisisit", 8); | 
|  | g_assert_cmpint(ret, ==, 8); | 
|  |  | 
|  | ret = qemu_chr_fe_write(&chr_be, (void *)"streamisrestored", 16); | 
|  | g_assert_cmpint(ret, ==, 16); | 
|  |  | 
|  | data = qmp_ringbuf_read("chr1", RB_SIZE, false, 0, &error_abort); | 
|  | g_assert_cmpint(strlen(data), ==, 16); | 
|  | /* Only last 16 bytes, see big comment above */ | 
|  | g_assert_cmpstr(data, ==, "streamisrestored"); | 
|  | g_free(data); | 
|  |  | 
|  | data = qmp_ringbuf_read("chr2", RB_SIZE, false, 0, &error_abort); | 
|  | g_assert_cmpint(strlen(data), ==, 16); | 
|  | /* Only last 16 bytes, see big comment above */ | 
|  | g_assert_cmpstr(data, ==, "streamisrestored"); | 
|  | g_free(data); | 
|  |  | 
|  | fd = open(out, O_RDWR); | 
|  | ret = read(fd, buf, sizeof(buf)); | 
|  | g_assert_cmpint(ret, ==, 24); | 
|  | buf[ret] = 0; | 
|  | /* Both 8 and 16 bytes */ | 
|  | g_assert_cmpstr(buf, ==, "thisisitstreamisrestored"); | 
|  | close(fd); | 
|  |  | 
|  | g_free(in); | 
|  | g_free(out); | 
|  | g_free(tmp_path); | 
|  | g_free(pipe); | 
|  |  | 
|  | /* Finalize frontend */ | 
|  | qemu_chr_fe_deinit(&chr_be, false); | 
|  |  | 
|  | /* Finalize hub0 */ | 
|  | qmp_chardev_remove("hub0", &error_abort); | 
|  |  | 
|  | /* Finalize backend chardevs */ | 
|  | qmp_chardev_remove("chr1", &error_abort); | 
|  | qmp_chardev_remove("chr2", &error_abort); | 
|  | qmp_chardev_remove("chr3", &error_abort); | 
|  | } | 
|  | #endif | 
|  | } | 
|  |  | 
|  | static void websock_server_read(void *opaque, const uint8_t *buf, int size) | 
|  | { | 
|  | g_assert_cmpint(size, ==, 5); | 
|  | g_assert(memcmp(buf, "world", size) == 0); | 
|  | quit = true; | 
|  | } | 
|  |  | 
|  |  | 
|  | static int websock_server_can_read(void *opaque) | 
|  | { | 
|  | return 10; | 
|  | } | 
|  |  | 
|  |  | 
|  | static bool websock_check_http_headers(char *buf, int size) | 
|  | { | 
|  | int i; | 
|  | const char *ans[] = { "HTTP/1.1 101 Switching Protocols\r\n", | 
|  | "Server: QEMU VNC\r\n", | 
|  | "Upgrade: websocket\r\n", | 
|  | "Connection: Upgrade\r\n", | 
|  | "Sec-WebSocket-Accept:", | 
|  | "Sec-WebSocket-Protocol: binary\r\n" }; | 
|  |  | 
|  | for (i = 0; i < 6; i++) { | 
|  | if (g_strstr_len(buf, size, ans[i]) == NULL) { | 
|  | return false; | 
|  | } | 
|  | } | 
|  |  | 
|  | return true; | 
|  | } | 
|  |  | 
|  |  | 
|  | static void websock_client_read(void *opaque, const uint8_t *buf, int size) | 
|  | { | 
|  | const uint8_t ping[] = { 0x89, 0x85,                  /* Ping header */ | 
|  | 0x07, 0x77, 0x9e, 0xf9,      /* Masking key */ | 
|  | 0x6f, 0x12, 0xf2, 0x95, 0x68 /* "hello" */ }; | 
|  |  | 
|  | const uint8_t binary[] = { 0x82, 0x85,                  /* Binary header */ | 
|  | 0x74, 0x90, 0xb9, 0xdf,      /* Masking key */ | 
|  | 0x03, 0xff, 0xcb, 0xb3, 0x10 /* "world" */ }; | 
|  | Chardev *chr_client = opaque; | 
|  |  | 
|  | if (websock_check_http_headers((char *) buf, size)) { | 
|  | qemu_chr_fe_write(chr_client->be, ping, sizeof(ping)); | 
|  | } else if (buf[0] == 0x8a && buf[1] == 0x05) { | 
|  | g_assert(strncmp((char *) buf + 2, "hello", 5) == 0); | 
|  | qemu_chr_fe_write(chr_client->be, binary, sizeof(binary)); | 
|  | } else { | 
|  | g_assert(buf[0] == 0x88 && buf[1] == 0x16); | 
|  | g_assert(strncmp((char *) buf + 4, "peer requested close", 10) == 0); | 
|  | quit = true; | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | static int websock_client_can_read(void *opaque) | 
|  | { | 
|  | return 4096; | 
|  | } | 
|  |  | 
|  |  | 
|  | static void char_websock_test(void) | 
|  | { | 
|  | QObject *addr; | 
|  | QDict *qdict; | 
|  | const char *port; | 
|  | char *tmp; | 
|  | char *handshake_port; | 
|  | CharBackend be; | 
|  | CharBackend client_be; | 
|  | Chardev *chr_client; | 
|  | Chardev *chr = qemu_chr_new("server", | 
|  | "websocket:127.0.0.1:0,server=on,wait=off", NULL); | 
|  | const char handshake[] = "GET / HTTP/1.1\r\n" | 
|  | "Upgrade: websocket\r\n" | 
|  | "Connection: Upgrade\r\n" | 
|  | "Host: localhost:%s\r\n" | 
|  | "Origin: http://localhost:%s\r\n" | 
|  | "Sec-WebSocket-Key: o9JHNiS3/0/0zYE1wa3yIw==\r\n" | 
|  | "Sec-WebSocket-Version: 13\r\n" | 
|  | "Sec-WebSocket-Protocol: binary\r\n\r\n"; | 
|  | const uint8_t close[] = { 0x88, 0x82,             /* Close header */ | 
|  | 0xef, 0xaa, 0xc5, 0x97, /* Masking key */ | 
|  | 0xec, 0x42              /* Status code */ }; | 
|  |  | 
|  | addr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort); | 
|  | qdict = qobject_to(QDict, addr); | 
|  | port = qdict_get_str(qdict, "port"); | 
|  | tmp = g_strdup_printf("tcp:127.0.0.1:%s", port); | 
|  | handshake_port = g_strdup_printf(handshake, port, port); | 
|  | qobject_unref(qdict); | 
|  |  | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  | qemu_chr_fe_set_handlers(&be, websock_server_can_read, websock_server_read, | 
|  | NULL, NULL, chr, NULL, true); | 
|  |  | 
|  | chr_client = qemu_chr_new("client", tmp, NULL); | 
|  | qemu_chr_fe_init(&client_be, chr_client, &error_abort); | 
|  | qemu_chr_fe_set_handlers(&client_be, websock_client_can_read, | 
|  | websock_client_read, | 
|  | NULL, NULL, chr_client, NULL, true); | 
|  | g_free(tmp); | 
|  |  | 
|  | qemu_chr_write_all(chr_client, | 
|  | (uint8_t *) handshake_port, | 
|  | strlen(handshake_port)); | 
|  | g_free(handshake_port); | 
|  | main_loop(); | 
|  |  | 
|  | g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort)); | 
|  | g_assert(object_property_get_bool(OBJECT(chr_client), | 
|  | "connected", &error_abort)); | 
|  |  | 
|  | qemu_chr_write_all(chr_client, close, sizeof(close)); | 
|  | main_loop(); | 
|  |  | 
|  | object_unparent(OBJECT(chr_client)); | 
|  | object_unparent(OBJECT(chr)); | 
|  | } | 
|  |  | 
|  |  | 
|  | #ifndef _WIN32 | 
|  | static void char_pipe_test(void) | 
|  | { | 
|  | gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); | 
|  | gchar *tmp, *in, *out, *pipe = g_build_filename(tmp_path, "pipe", NULL); | 
|  | Chardev *chr; | 
|  | CharBackend be; | 
|  | int ret, fd; | 
|  | char buf[10]; | 
|  | FeHandler fe = { 0, }; | 
|  |  | 
|  | in = g_strdup_printf("%s.in", pipe); | 
|  | if (mkfifo(in, 0600) < 0) { | 
|  | abort(); | 
|  | } | 
|  | out = g_strdup_printf("%s.out", pipe); | 
|  | if (mkfifo(out, 0600) < 0) { | 
|  | abort(); | 
|  | } | 
|  |  | 
|  | tmp = g_strdup_printf("pipe:%s", pipe); | 
|  | chr = qemu_chr_new("pipe", tmp, NULL); | 
|  | g_assert_nonnull(chr); | 
|  | g_free(tmp); | 
|  |  | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  |  | 
|  | ret = qemu_chr_fe_write(&be, (void *)"pipe-out", 9); | 
|  | g_assert_cmpint(ret, ==, 9); | 
|  |  | 
|  | fd = open(out, O_RDWR); | 
|  | ret = read(fd, buf, sizeof(buf)); | 
|  | g_assert_cmpint(ret, ==, 9); | 
|  | g_assert_cmpstr(buf, ==, "pipe-out"); | 
|  | close(fd); | 
|  |  | 
|  | fd = open(in, O_WRONLY); | 
|  | ret = write(fd, "pipe-in", 8); | 
|  | g_assert_cmpint(ret, ==, 8); | 
|  | close(fd); | 
|  |  | 
|  | qemu_chr_fe_set_handlers(&be, | 
|  | fe_can_read, | 
|  | fe_read, | 
|  | fe_event, | 
|  | NULL, | 
|  | &fe, | 
|  | NULL, true); | 
|  |  | 
|  | main_loop(); | 
|  |  | 
|  | g_assert_cmpint(fe.read_count, ==, 8); | 
|  | g_assert_cmpstr(fe.read_buf, ==, "pipe-in"); | 
|  |  | 
|  | qemu_chr_fe_deinit(&be, true); | 
|  |  | 
|  | g_assert(g_unlink(in) == 0); | 
|  | g_assert(g_unlink(out) == 0); | 
|  | g_assert(g_rmdir(tmp_path) == 0); | 
|  | g_free(in); | 
|  | g_free(out); | 
|  | g_free(tmp_path); | 
|  | g_free(pipe); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | typedef struct SocketIdleData { | 
|  | GMainLoop *loop; | 
|  | Chardev *chr; | 
|  | bool conn_expected; | 
|  | CharBackend *be; | 
|  | CharBackend *client_be; | 
|  | } SocketIdleData; | 
|  |  | 
|  |  | 
|  | static void socket_read_hello(void *opaque, const uint8_t *buf, int size) | 
|  | { | 
|  | g_assert_cmpint(size, ==, 5); | 
|  | g_assert(strncmp((char *)buf, "hello", 5) == 0); | 
|  |  | 
|  | quit = true; | 
|  | } | 
|  |  | 
|  | static int socket_can_read_hello(void *opaque) | 
|  | { | 
|  | return 10; | 
|  | } | 
|  |  | 
|  | static int make_udp_socket(int *port) | 
|  | { | 
|  | struct sockaddr_in addr = { 0, }; | 
|  | socklen_t alen = sizeof(addr); | 
|  | int ret, sock = qemu_socket(PF_INET, SOCK_DGRAM, 0); | 
|  |  | 
|  | g_assert_cmpint(sock, >=, 0); | 
|  | addr.sin_family = AF_INET ; | 
|  | addr.sin_addr.s_addr = htonl(INADDR_ANY); | 
|  | addr.sin_port = 0; | 
|  | ret = bind(sock, (struct sockaddr *)&addr, sizeof(addr)); | 
|  | g_assert_cmpint(ret, ==, 0); | 
|  | ret = getsockname(sock, (struct sockaddr *)&addr, &alen); | 
|  | g_assert_cmpint(ret, ==, 0); | 
|  |  | 
|  | *port = ntohs(addr.sin_port); | 
|  | return sock; | 
|  | } | 
|  |  | 
|  | static void char_udp_test_internal(Chardev *reuse_chr, int sock) | 
|  | { | 
|  | struct sockaddr_in other; | 
|  | SocketIdleData d = { 0, }; | 
|  | Chardev *chr; | 
|  | CharBackend *be; | 
|  | socklen_t alen = sizeof(other); | 
|  | int ret; | 
|  | char buf[10]; | 
|  | char *tmp = NULL; | 
|  |  | 
|  | if (reuse_chr) { | 
|  | chr = reuse_chr; | 
|  | be = chr->be; | 
|  | } else { | 
|  | int port; | 
|  | sock = make_udp_socket(&port); | 
|  | tmp = g_strdup_printf("udp:127.0.0.1:%d", port); | 
|  | chr = qemu_chr_new("client", tmp, NULL); | 
|  | g_assert_nonnull(chr); | 
|  |  | 
|  | be = g_alloca(sizeof(CharBackend)); | 
|  | qemu_chr_fe_init(be, chr, &error_abort); | 
|  | } | 
|  |  | 
|  | d.chr = chr; | 
|  | qemu_chr_fe_set_handlers(be, socket_can_read_hello, socket_read_hello, | 
|  | NULL, NULL, &d, NULL, true); | 
|  | ret = qemu_chr_write_all(chr, (uint8_t *)"hello", 5); | 
|  | g_assert_cmpint(ret, ==, 5); | 
|  |  | 
|  | ret = recvfrom(sock, buf, sizeof(buf), 0, | 
|  | (struct sockaddr *)&other, &alen); | 
|  | g_assert_cmpint(ret, ==, 5); | 
|  | ret = sendto(sock, buf, 5, 0, (struct sockaddr *)&other, alen); | 
|  | g_assert_cmpint(ret, ==, 5); | 
|  |  | 
|  | main_loop(); | 
|  |  | 
|  | if (!reuse_chr) { | 
|  | close(sock); | 
|  | qemu_chr_fe_deinit(be, true); | 
|  | } | 
|  | g_free(tmp); | 
|  | } | 
|  |  | 
|  | static void char_udp_test(void) | 
|  | { | 
|  | char_udp_test_internal(NULL, 0); | 
|  | } | 
|  |  | 
|  |  | 
|  | typedef struct { | 
|  | int event; | 
|  | bool got_pong; | 
|  | CharBackend *be; | 
|  | } CharSocketTestData; | 
|  |  | 
|  |  | 
|  | #define SOCKET_PING "Hello" | 
|  | #define SOCKET_PONG "World" | 
|  |  | 
|  | typedef void (*char_socket_cb)(void *opaque, QEMUChrEvent event); | 
|  |  | 
|  | static void | 
|  | char_socket_event(void *opaque, QEMUChrEvent event) | 
|  | { | 
|  | CharSocketTestData *data = opaque; | 
|  | data->event = event; | 
|  | } | 
|  |  | 
|  | static void | 
|  | char_socket_event_with_error(void *opaque, QEMUChrEvent event) | 
|  | { | 
|  | static bool first_error; | 
|  | CharSocketTestData *data = opaque; | 
|  | CharBackend *be = data->be; | 
|  | data->event = event; | 
|  | switch (event) { | 
|  | case CHR_EVENT_OPENED: | 
|  | if (!first_error) { | 
|  | first_error = true; | 
|  | qemu_chr_fe_disconnect(be); | 
|  | } | 
|  | return; | 
|  | case CHR_EVENT_CLOSED: | 
|  | return; | 
|  | default: | 
|  | return; | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | static void | 
|  | char_socket_read(void *opaque, const uint8_t *buf, int size) | 
|  | { | 
|  | CharSocketTestData *data = opaque; | 
|  | g_assert_cmpint(size, ==, sizeof(SOCKET_PONG)); | 
|  | g_assert(memcmp(buf, SOCKET_PONG, size) == 0); | 
|  | data->got_pong = true; | 
|  | } | 
|  |  | 
|  |  | 
|  | static int | 
|  | char_socket_can_read(void *opaque) | 
|  | { | 
|  | return sizeof(SOCKET_PONG); | 
|  | } | 
|  |  | 
|  |  | 
|  | static char * | 
|  | char_socket_addr_to_opt_str(SocketAddress *addr, bool fd_pass, | 
|  | const char *reconnect, bool is_listen) | 
|  | { | 
|  | if (fd_pass) { | 
|  | QIOChannelSocket *ioc = qio_channel_socket_new(); | 
|  | int fd; | 
|  | char *optstr; | 
|  | g_assert(!reconnect); | 
|  | if (is_listen) { | 
|  | qio_channel_socket_listen_sync(ioc, addr, 1, &error_abort); | 
|  | } else { | 
|  | qio_channel_socket_connect_sync(ioc, addr, &error_abort); | 
|  | } | 
|  | fd = ioc->fd; | 
|  | ioc->fd = -1; | 
|  | optstr = g_strdup_printf("socket,id=cdev0,fd=%d%s", | 
|  | fd, is_listen ? ",server=on,wait=off" : ""); | 
|  | object_unref(OBJECT(ioc)); | 
|  | return optstr; | 
|  | } else { | 
|  | switch (addr->type) { | 
|  | case SOCKET_ADDRESS_TYPE_INET: | 
|  | return g_strdup_printf("socket,id=cdev0,host=%s,port=%s%s%s", | 
|  | addr->u.inet.host, | 
|  | addr->u.inet.port, | 
|  | reconnect ? reconnect : "", | 
|  | is_listen ? ",server=on,wait=off" : ""); | 
|  |  | 
|  | case SOCKET_ADDRESS_TYPE_UNIX: | 
|  | return g_strdup_printf("socket,id=cdev0,path=%s%s%s", | 
|  | addr->u.q_unix.path, | 
|  | reconnect ? reconnect : "", | 
|  | is_listen ? ",server=on,wait=off" : ""); | 
|  |  | 
|  | default: | 
|  | g_assert_not_reached(); | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  |  | 
|  | static int | 
|  | char_socket_ping_pong(QIOChannel *ioc, Error **errp) | 
|  | { | 
|  | char greeting[sizeof(SOCKET_PING)]; | 
|  | const char *response = SOCKET_PONG; | 
|  |  | 
|  | int ret; | 
|  | ret = qio_channel_read_all(ioc, greeting, sizeof(greeting), errp); | 
|  | if (ret != 0) { | 
|  | object_unref(OBJECT(ioc)); | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | g_assert(memcmp(greeting, SOCKET_PING, sizeof(greeting)) == 0); | 
|  |  | 
|  | qio_channel_write_all(ioc, response, sizeof(SOCKET_PONG), errp); | 
|  | object_unref(OBJECT(ioc)); | 
|  | return 0; | 
|  | } | 
|  |  | 
|  |  | 
|  | static gpointer | 
|  | char_socket_server_client_thread(gpointer data) | 
|  | { | 
|  | SocketAddress *addr = data; | 
|  | QIOChannelSocket *ioc = qio_channel_socket_new(); | 
|  |  | 
|  | qio_channel_socket_connect_sync(ioc, addr, &error_abort); | 
|  |  | 
|  | char_socket_ping_pong(QIO_CHANNEL(ioc), &error_abort); | 
|  |  | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  |  | 
|  | typedef struct { | 
|  | SocketAddress *addr; | 
|  | bool wait_connected; | 
|  | bool fd_pass; | 
|  | } CharSocketServerTestConfig; | 
|  |  | 
|  |  | 
|  | static void char_socket_server_test(gconstpointer opaque) | 
|  | { | 
|  | const CharSocketServerTestConfig *config = opaque; | 
|  | Chardev *chr; | 
|  | CharBackend be = {0}; | 
|  | CharSocketTestData data = {0}; | 
|  | QObject *qaddr; | 
|  | SocketAddress *addr; | 
|  | Visitor *v; | 
|  | QemuThread thread; | 
|  | int ret; | 
|  | bool reconnected = false; | 
|  | char *optstr; | 
|  | QemuOpts *opts; | 
|  |  | 
|  | g_setenv("QTEST_SILENT_ERRORS", "1", 1); | 
|  | /* | 
|  | * We rely on config->addr containing "wait=off", otherwise | 
|  | * qemu_chr_new() will block until a client connects. We | 
|  | * can't spawn our client thread though, because until | 
|  | * qemu_chr_new() returns we don't know what TCP port was | 
|  | * allocated by the OS | 
|  | */ | 
|  | optstr = char_socket_addr_to_opt_str(config->addr, | 
|  | config->fd_pass, | 
|  | NULL, | 
|  | true); | 
|  | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), | 
|  | optstr, true); | 
|  | g_assert_nonnull(opts); | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | qemu_opts_del(opts); | 
|  | g_assert_nonnull(chr); | 
|  | g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort)); | 
|  |  | 
|  | qaddr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort); | 
|  | g_assert_nonnull(qaddr); | 
|  |  | 
|  | v = qobject_input_visitor_new(qaddr); | 
|  | visit_type_SocketAddress(v, "addr", &addr, &error_abort); | 
|  | visit_free(v); | 
|  | qobject_unref(qaddr); | 
|  |  | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  |  | 
|  | reconnect: | 
|  | data.event = -1; | 
|  | data.be = &be; | 
|  | qemu_chr_fe_set_handlers(&be, NULL, NULL, | 
|  | char_socket_event, NULL, | 
|  | &data, NULL, true); | 
|  | g_assert(data.event == -1); | 
|  |  | 
|  | /* | 
|  | * Kick off a thread to act as the "remote" client | 
|  | * which just plays ping-pong with us | 
|  | */ | 
|  | qemu_thread_create(&thread, "client", | 
|  | char_socket_server_client_thread, | 
|  | addr, QEMU_THREAD_JOINABLE); | 
|  | g_assert(data.event == -1); | 
|  |  | 
|  | if (config->wait_connected) { | 
|  | /* Synchronously accept a connection */ | 
|  | qemu_chr_wait_connected(chr, &error_abort); | 
|  | } else { | 
|  | /* | 
|  | * Asynchronously accept a connection when the evnt | 
|  | * loop reports the listener socket as readable | 
|  | */ | 
|  | while (data.event == -1) { | 
|  | main_loop_wait(false); | 
|  | } | 
|  | } | 
|  | g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort)); | 
|  | g_assert(data.event == CHR_EVENT_OPENED); | 
|  | data.event = -1; | 
|  |  | 
|  | /* Send a greeting to the client */ | 
|  | ret = qemu_chr_fe_write_all(&be, (const uint8_t *)SOCKET_PING, | 
|  | sizeof(SOCKET_PING)); | 
|  | g_assert_cmpint(ret, ==, sizeof(SOCKET_PING)); | 
|  | g_assert(data.event == -1); | 
|  |  | 
|  | /* Setup a callback to receive the reply to our greeting */ | 
|  | qemu_chr_fe_set_handlers(&be, char_socket_can_read, | 
|  | char_socket_read, | 
|  | char_socket_event, NULL, | 
|  | &data, NULL, true); | 
|  | g_assert(data.event == CHR_EVENT_OPENED); | 
|  | data.event = -1; | 
|  |  | 
|  | /* Wait for the client to go away */ | 
|  | while (data.event == -1) { | 
|  | main_loop_wait(false); | 
|  | } | 
|  | g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort)); | 
|  | g_assert(data.event == CHR_EVENT_CLOSED); | 
|  | g_assert(data.got_pong); | 
|  |  | 
|  | qemu_thread_join(&thread); | 
|  |  | 
|  | if (!reconnected) { | 
|  | reconnected = true; | 
|  | goto reconnect; | 
|  | } | 
|  |  | 
|  | qapi_free_SocketAddress(addr); | 
|  | object_unparent(OBJECT(chr)); | 
|  | g_free(optstr); | 
|  | g_unsetenv("QTEST_SILENT_ERRORS"); | 
|  | } | 
|  |  | 
|  |  | 
|  | static gpointer | 
|  | char_socket_client_server_thread(gpointer data) | 
|  | { | 
|  | QIOChannelSocket *ioc = data; | 
|  | QIOChannelSocket *cioc; | 
|  |  | 
|  | retry: | 
|  | cioc = qio_channel_socket_accept(ioc, &error_abort); | 
|  | g_assert_nonnull(cioc); | 
|  |  | 
|  | if (char_socket_ping_pong(QIO_CHANNEL(cioc), NULL) != 0) { | 
|  | goto retry; | 
|  | } | 
|  |  | 
|  | return NULL; | 
|  | } | 
|  |  | 
|  |  | 
|  | typedef struct { | 
|  | SocketAddress *addr; | 
|  | const char *reconnect; | 
|  | bool wait_connected; | 
|  | bool fd_pass; | 
|  | char_socket_cb event_cb; | 
|  | } CharSocketClientTestConfig; | 
|  |  | 
|  | static void char_socket_client_dupid_test(gconstpointer opaque) | 
|  | { | 
|  | const CharSocketClientTestConfig *config = opaque; | 
|  | QIOChannelSocket *ioc; | 
|  | char *optstr; | 
|  | Chardev *chr1, *chr2; | 
|  | SocketAddress *addr; | 
|  | QemuOpts *opts; | 
|  | Error *local_err = NULL; | 
|  |  | 
|  | /* | 
|  | * Setup a listener socket and determine get its address | 
|  | * so we know the TCP port for the client later | 
|  | */ | 
|  | ioc = qio_channel_socket_new(); | 
|  | g_assert_nonnull(ioc); | 
|  | qio_channel_socket_listen_sync(ioc, config->addr, 1, &error_abort); | 
|  | addr = qio_channel_socket_get_local_address(ioc, &error_abort); | 
|  | g_assert_nonnull(addr); | 
|  |  | 
|  | /* | 
|  | * Populate the chardev address based on what the server | 
|  | * is actually listening on | 
|  | */ | 
|  | optstr = char_socket_addr_to_opt_str(addr, | 
|  | config->fd_pass, | 
|  | config->reconnect, | 
|  | false); | 
|  |  | 
|  | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), | 
|  | optstr, true); | 
|  | g_assert_nonnull(opts); | 
|  | chr1 = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | g_assert_nonnull(chr1); | 
|  | qemu_chr_wait_connected(chr1, &error_abort); | 
|  |  | 
|  | chr2 = qemu_chr_new_from_opts(opts, NULL, &local_err); | 
|  | g_assert_null(chr2); | 
|  | error_free_or_abort(&local_err); | 
|  |  | 
|  | object_unref(OBJECT(ioc)); | 
|  | qemu_opts_del(opts); | 
|  | object_unparent(OBJECT(chr1)); | 
|  | qapi_free_SocketAddress(addr); | 
|  | g_free(optstr); | 
|  | } | 
|  |  | 
|  | static void char_socket_client_test(gconstpointer opaque) | 
|  | { | 
|  | const CharSocketClientTestConfig *config = opaque; | 
|  | const char_socket_cb event_cb = config->event_cb; | 
|  | QIOChannelSocket *ioc; | 
|  | char *optstr; | 
|  | Chardev *chr; | 
|  | CharBackend be = {0}; | 
|  | CharSocketTestData data = {0}; | 
|  | SocketAddress *addr; | 
|  | QemuThread thread; | 
|  | int ret; | 
|  | bool reconnected = false; | 
|  | QemuOpts *opts; | 
|  |  | 
|  | /* | 
|  | * Setup a listener socket and determine get its address | 
|  | * so we know the TCP port for the client later | 
|  | */ | 
|  | ioc = qio_channel_socket_new(); | 
|  | g_assert_nonnull(ioc); | 
|  | qio_channel_socket_listen_sync(ioc, config->addr, 1, &error_abort); | 
|  | addr = qio_channel_socket_get_local_address(ioc, &error_abort); | 
|  | g_assert_nonnull(addr); | 
|  |  | 
|  | /* | 
|  | * Kick off a thread to act as the "remote" client | 
|  | * which just plays ping-pong with us | 
|  | */ | 
|  | qemu_thread_create(&thread, "client", | 
|  | char_socket_client_server_thread, | 
|  | ioc, QEMU_THREAD_JOINABLE); | 
|  |  | 
|  | /* | 
|  | * Populate the chardev address based on what the server | 
|  | * is actually listening on | 
|  | */ | 
|  | optstr = char_socket_addr_to_opt_str(addr, | 
|  | config->fd_pass, | 
|  | config->reconnect, | 
|  | false); | 
|  |  | 
|  | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), | 
|  | optstr, true); | 
|  | g_assert_nonnull(opts); | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | qemu_opts_del(opts); | 
|  | g_assert_nonnull(chr); | 
|  |  | 
|  | if (config->reconnect) { | 
|  | /* | 
|  | * If reconnect is set, the connection will be | 
|  | * established in a background thread and we won't | 
|  | * see the "connected" status updated until we | 
|  | * run the main event loop, or call qemu_chr_wait_connected | 
|  | */ | 
|  | g_assert(!object_property_get_bool(OBJECT(chr), "connected", | 
|  | &error_abort)); | 
|  | } else { | 
|  | g_assert(object_property_get_bool(OBJECT(chr), "connected", | 
|  | &error_abort)); | 
|  | } | 
|  |  | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  |  | 
|  | reconnect: | 
|  | data.event = -1; | 
|  | data.be = &be; | 
|  | qemu_chr_fe_set_handlers(&be, NULL, NULL, | 
|  | event_cb, NULL, | 
|  | &data, NULL, true); | 
|  | if (config->reconnect) { | 
|  | g_assert(data.event == -1); | 
|  | } else { | 
|  | g_assert(data.event == CHR_EVENT_OPENED); | 
|  | } | 
|  |  | 
|  | if (config->wait_connected) { | 
|  | /* | 
|  | * Synchronously wait for the connection to complete | 
|  | * This should be a no-op if reconnect is not set. | 
|  | */ | 
|  | qemu_chr_wait_connected(chr, &error_abort); | 
|  | } else { | 
|  | /* | 
|  | * Asynchronously wait for the connection to be reported | 
|  | * as complete when the background thread reports its | 
|  | * status. | 
|  | * The loop will short-circuit if reconnect was set | 
|  | */ | 
|  | while (data.event == -1) { | 
|  | main_loop_wait(false); | 
|  | } | 
|  | } | 
|  | g_assert(data.event == CHR_EVENT_OPENED); | 
|  | data.event = -1; | 
|  | g_assert(object_property_get_bool(OBJECT(chr), "connected", &error_abort)); | 
|  |  | 
|  | /* Send a greeting to the server */ | 
|  | ret = qemu_chr_fe_write_all(&be, (const uint8_t *)SOCKET_PING, | 
|  | sizeof(SOCKET_PING)); | 
|  | g_assert_cmpint(ret, ==, sizeof(SOCKET_PING)); | 
|  | g_assert(data.event == -1); | 
|  |  | 
|  | /* Setup a callback to receive the reply to our greeting */ | 
|  | qemu_chr_fe_set_handlers(&be, char_socket_can_read, | 
|  | char_socket_read, | 
|  | event_cb, NULL, | 
|  | &data, NULL, true); | 
|  | g_assert(data.event == CHR_EVENT_OPENED); | 
|  | data.event = -1; | 
|  |  | 
|  | /* Wait for the server to go away */ | 
|  | while (data.event == -1) { | 
|  | main_loop_wait(false); | 
|  | } | 
|  | g_assert(data.event == CHR_EVENT_CLOSED); | 
|  | g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort)); | 
|  | g_assert(data.got_pong); | 
|  | qemu_thread_join(&thread); | 
|  |  | 
|  | if (config->reconnect && !reconnected) { | 
|  | reconnected = true; | 
|  | qemu_thread_create(&thread, "client", | 
|  | char_socket_client_server_thread, | 
|  | ioc, QEMU_THREAD_JOINABLE); | 
|  | goto reconnect; | 
|  | } | 
|  |  | 
|  | object_unref(OBJECT(ioc)); | 
|  | object_unparent(OBJECT(chr)); | 
|  | qapi_free_SocketAddress(addr); | 
|  | g_free(optstr); | 
|  | } | 
|  |  | 
|  | static void | 
|  | count_closed_event(void *opaque, QEMUChrEvent event) | 
|  | { | 
|  | int *count = opaque; | 
|  | if (event == CHR_EVENT_CLOSED) { | 
|  | (*count)++; | 
|  | } | 
|  | } | 
|  |  | 
|  | static void | 
|  | char_socket_discard_read(void *opaque, const uint8_t *buf, int size) | 
|  | { | 
|  | } | 
|  |  | 
|  | static void char_socket_server_two_clients_test(gconstpointer opaque) | 
|  | { | 
|  | SocketAddress *incoming_addr = (gpointer) opaque; | 
|  | Chardev *chr; | 
|  | CharBackend be = {0}; | 
|  | QObject *qaddr; | 
|  | SocketAddress *addr; | 
|  | Visitor *v; | 
|  | char *optstr; | 
|  | QemuOpts *opts; | 
|  | QIOChannelSocket *ioc1, *ioc2; | 
|  | int closed = 0; | 
|  |  | 
|  | g_setenv("QTEST_SILENT_ERRORS", "1", 1); | 
|  | /* | 
|  | * We rely on addr containing "wait=off", otherwise | 
|  | * qemu_chr_new() will block until a client connects. We | 
|  | * can't spawn our client thread though, because until | 
|  | * qemu_chr_new() returns we don't know what TCP port was | 
|  | * allocated by the OS | 
|  | */ | 
|  | optstr = char_socket_addr_to_opt_str(incoming_addr, | 
|  | false, | 
|  | NULL, | 
|  | true); | 
|  | opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"), | 
|  | optstr, true); | 
|  | g_assert_nonnull(opts); | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, &error_abort); | 
|  | qemu_opts_del(opts); | 
|  | g_assert_nonnull(chr); | 
|  | g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort)); | 
|  |  | 
|  | qaddr = object_property_get_qobject(OBJECT(chr), "addr", &error_abort); | 
|  | g_assert_nonnull(qaddr); | 
|  |  | 
|  | v = qobject_input_visitor_new(qaddr); | 
|  | visit_type_SocketAddress(v, "addr", &addr, &error_abort); | 
|  | visit_free(v); | 
|  | qobject_unref(qaddr); | 
|  |  | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  |  | 
|  | qemu_chr_fe_set_handlers(&be, char_socket_can_read, char_socket_discard_read, | 
|  | count_closed_event, NULL, | 
|  | &closed, NULL, true); | 
|  |  | 
|  | ioc1 = qio_channel_socket_new(); | 
|  | qio_channel_socket_connect_sync(ioc1, addr, &error_abort); | 
|  | qemu_chr_wait_connected(chr, &error_abort); | 
|  |  | 
|  | /* switch the chardev to another context */ | 
|  | GMainContext *ctx = g_main_context_new(); | 
|  | qemu_chr_fe_set_handlers(&be, char_socket_can_read, char_socket_discard_read, | 
|  | count_closed_event, NULL, | 
|  | &closed, ctx, true); | 
|  |  | 
|  | /* Start a second connection while the first is still connected. | 
|  | * It will be placed in the listen() backlog, and connect() will | 
|  | * succeed immediately. | 
|  | */ | 
|  | ioc2 = qio_channel_socket_new(); | 
|  | qio_channel_socket_connect_sync(ioc2, addr, &error_abort); | 
|  |  | 
|  | object_unref(OBJECT(ioc1)); | 
|  | /* The two connections should now be processed serially.  */ | 
|  | while (g_main_context_iteration(ctx, TRUE)) { | 
|  | if (closed == 1 && ioc2) { | 
|  | object_unref(OBJECT(ioc2)); | 
|  | ioc2 = NULL; | 
|  | } | 
|  | if (closed == 2) { | 
|  | break; | 
|  | } | 
|  | } | 
|  |  | 
|  | qapi_free_SocketAddress(addr); | 
|  | object_unparent(OBJECT(chr)); | 
|  | g_main_context_unref(ctx); | 
|  | g_free(optstr); | 
|  | g_unsetenv("QTEST_SILENT_ERRORS"); | 
|  | } | 
|  |  | 
|  |  | 
|  | #if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32) | 
|  | static void char_serial_test(void) | 
|  | { | 
|  | QemuOpts *opts; | 
|  | Chardev *chr; | 
|  |  | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "serial-id", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "serial", &error_abort); | 
|  | qemu_opt_set(opts, "path", "/dev/null", &error_abort); | 
|  |  | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, NULL); | 
|  | g_assert_nonnull(chr); | 
|  | /* TODO: add more tests with a pty */ | 
|  | object_unparent(OBJECT(chr)); | 
|  |  | 
|  | qemu_opts_del(opts); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #if defined(HAVE_CHARDEV_PARALLEL) && !defined(WIN32) | 
|  | static void char_parallel_test(void) | 
|  | { | 
|  | QemuOpts *opts; | 
|  | Chardev *chr; | 
|  |  | 
|  | opts = qemu_opts_create(qemu_find_opts("chardev"), "parallel-id", | 
|  | 1, &error_abort); | 
|  | qemu_opt_set(opts, "backend", "parallel", &error_abort); | 
|  | qemu_opt_set(opts, "path", "/dev/null", &error_abort); | 
|  |  | 
|  | chr = qemu_chr_new_from_opts(opts, NULL, NULL); | 
|  | #ifdef __linux__ | 
|  | /* fails to PPCLAIM, see qemu_chr_open_pp_fd() */ | 
|  | g_assert_null(chr); | 
|  | #else | 
|  | g_assert_nonnull(chr); | 
|  | object_unparent(OBJECT(chr)); | 
|  | #endif | 
|  |  | 
|  | qemu_opts_del(opts); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | #ifndef _WIN32 | 
|  | static void char_file_fifo_test(void) | 
|  | { | 
|  | Chardev *chr; | 
|  | CharBackend be; | 
|  | char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); | 
|  | char *fifo = g_build_filename(tmp_path, "fifo", NULL); | 
|  | char *out = g_build_filename(tmp_path, "out", NULL); | 
|  | ChardevFile file = { .in = fifo, | 
|  | .out = out }; | 
|  | ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, | 
|  | .u.file.data = &file }; | 
|  | FeHandler fe = { 0, }; | 
|  | int fd, ret; | 
|  |  | 
|  | if (mkfifo(fifo, 0600) < 0) { | 
|  | abort(); | 
|  | } | 
|  |  | 
|  | fd = open(fifo, O_RDWR); | 
|  | ret = write(fd, "fifo-in", 8); | 
|  | g_assert_cmpint(ret, ==, 8); | 
|  |  | 
|  | chr = qemu_chardev_new("label-file", TYPE_CHARDEV_FILE, &backend, | 
|  | NULL, &error_abort); | 
|  |  | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  | qemu_chr_fe_set_handlers(&be, | 
|  | fe_can_read, | 
|  | fe_read, | 
|  | fe_event, | 
|  | NULL, | 
|  | &fe, NULL, true); | 
|  |  | 
|  | g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK); | 
|  | qmp_chardev_send_break("label-foo", NULL); | 
|  | g_assert_cmpint(fe.last_event, !=, CHR_EVENT_BREAK); | 
|  | qmp_chardev_send_break("label-file", NULL); | 
|  | g_assert_cmpint(fe.last_event, ==, CHR_EVENT_BREAK); | 
|  |  | 
|  | main_loop(); | 
|  |  | 
|  | close(fd); | 
|  |  | 
|  | g_assert_cmpint(fe.read_count, ==, 8); | 
|  | g_assert_cmpstr(fe.read_buf, ==, "fifo-in"); | 
|  |  | 
|  | qemu_chr_fe_deinit(&be, true); | 
|  |  | 
|  | g_unlink(fifo); | 
|  | g_free(fifo); | 
|  | g_unlink(out); | 
|  | g_free(out); | 
|  | g_rmdir(tmp_path); | 
|  | g_free(tmp_path); | 
|  | } | 
|  | #endif | 
|  |  | 
|  | static void char_file_test_internal(Chardev *ext_chr, const char *filepath) | 
|  | { | 
|  | char *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); | 
|  | char *out; | 
|  | Chardev *chr; | 
|  | char *contents = NULL; | 
|  | ChardevFile file = {}; | 
|  | ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, | 
|  | .u.file.data = &file }; | 
|  | gsize length; | 
|  | int ret; | 
|  |  | 
|  | if (ext_chr) { | 
|  | chr = ext_chr; | 
|  | out = g_strdup(filepath); | 
|  | file.out = out; | 
|  | } else { | 
|  | out = g_build_filename(tmp_path, "out", NULL); | 
|  | file.out = out; | 
|  | chr = qemu_chardev_new(NULL, TYPE_CHARDEV_FILE, &backend, | 
|  | NULL, &error_abort); | 
|  | } | 
|  | ret = qemu_chr_write_all(chr, (uint8_t *)"hello!", 6); | 
|  | g_assert_cmpint(ret, ==, 6); | 
|  |  | 
|  | ret = g_file_get_contents(out, &contents, &length, NULL); | 
|  | g_assert(ret == TRUE); | 
|  | g_assert_cmpint(length, ==, 6); | 
|  | g_assert(strncmp(contents, "hello!", 6) == 0); | 
|  |  | 
|  | if (!ext_chr) { | 
|  | object_unparent(OBJECT(chr)); | 
|  | g_unlink(out); | 
|  | } | 
|  | g_free(contents); | 
|  | g_rmdir(tmp_path); | 
|  | g_free(tmp_path); | 
|  | g_free(out); | 
|  | } | 
|  |  | 
|  | static void char_file_test(void) | 
|  | { | 
|  | char_file_test_internal(NULL, NULL); | 
|  | } | 
|  |  | 
|  | static void char_null_test(void) | 
|  | { | 
|  | Error *err = NULL; | 
|  | Chardev *chr; | 
|  | CharBackend be; | 
|  | int ret; | 
|  |  | 
|  | chr = qemu_chr_find("label-null"); | 
|  | g_assert_null(chr); | 
|  |  | 
|  | chr = qemu_chr_new("label-null", "null", NULL); | 
|  | chr = qemu_chr_find("label-null"); | 
|  | g_assert_nonnull(chr); | 
|  |  | 
|  | g_assert(qemu_chr_has_feature(chr, | 
|  | QEMU_CHAR_FEATURE_FD_PASS) == false); | 
|  | g_assert(qemu_chr_has_feature(chr, | 
|  | QEMU_CHAR_FEATURE_RECONNECTABLE) == false); | 
|  |  | 
|  | /* check max avail */ | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  | qemu_chr_fe_init(&be, chr, &err); | 
|  | error_free_or_abort(&err); | 
|  |  | 
|  | /* deinit & reinit */ | 
|  | qemu_chr_fe_deinit(&be, false); | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  |  | 
|  | qemu_chr_fe_set_open(&be, true); | 
|  |  | 
|  | qemu_chr_fe_set_handlers(&be, | 
|  | fe_can_read, | 
|  | fe_read, | 
|  | fe_event, | 
|  | NULL, | 
|  | NULL, NULL, true); | 
|  |  | 
|  | ret = qemu_chr_fe_write(&be, (void *)"buf", 4); | 
|  | g_assert_cmpint(ret, ==, 4); | 
|  |  | 
|  | qemu_chr_fe_deinit(&be, true); | 
|  | } | 
|  |  | 
|  | static void char_invalid_test(void) | 
|  | { | 
|  | Chardev *chr; | 
|  | g_setenv("QTEST_SILENT_ERRORS", "1", 1); | 
|  | chr = qemu_chr_new("label-invalid", "invalid", NULL); | 
|  | g_assert_null(chr); | 
|  | g_unsetenv("QTEST_SILENT_ERRORS"); | 
|  | } | 
|  |  | 
|  | static int chardev_change(void *opaque) | 
|  | { | 
|  | return 0; | 
|  | } | 
|  |  | 
|  | static int chardev_change_denied(void *opaque) | 
|  | { | 
|  | return -1; | 
|  | } | 
|  |  | 
|  | static void char_hotswap_test(void) | 
|  | { | 
|  | char *chr_args; | 
|  | Chardev *chr; | 
|  | CharBackend be; | 
|  |  | 
|  | gchar *tmp_path = g_dir_make_tmp("qemu-test-char.XXXXXX", NULL); | 
|  | char *filename = g_build_filename(tmp_path, "file", NULL); | 
|  | ChardevFile file = { .out = filename }; | 
|  | ChardevBackend backend = { .type = CHARDEV_BACKEND_KIND_FILE, | 
|  | .u.file.data = &file }; | 
|  | ChardevReturn *ret; | 
|  |  | 
|  | int port; | 
|  | int sock = make_udp_socket(&port); | 
|  | g_assert_cmpint(sock, >=, 0); | 
|  |  | 
|  | chr_args = g_strdup_printf("udp:127.0.0.1:%d", port); | 
|  |  | 
|  | chr = qemu_chr_new("chardev", chr_args, NULL); | 
|  | qemu_chr_fe_init(&be, chr, &error_abort); | 
|  |  | 
|  | /* check that chardev operates correctly */ | 
|  | char_udp_test_internal(chr, sock); | 
|  |  | 
|  | /* set the handler that denies the hotswap */ | 
|  | qemu_chr_fe_set_handlers(&be, NULL, NULL, | 
|  | NULL, chardev_change_denied, NULL, NULL, true); | 
|  |  | 
|  | /* now, change is denied and has to keep the old backend operating */ | 
|  | ret = qmp_chardev_change("chardev", &backend, NULL); | 
|  | g_assert(!ret); | 
|  | g_assert(be.chr == chr); | 
|  |  | 
|  | char_udp_test_internal(chr, sock); | 
|  |  | 
|  | /* now allow the change */ | 
|  | qemu_chr_fe_set_handlers(&be, NULL, NULL, | 
|  | NULL, chardev_change, NULL, NULL, true); | 
|  |  | 
|  | /* has to succeed now */ | 
|  | ret = qmp_chardev_change("chardev", &backend, &error_abort); | 
|  | g_assert(be.chr != chr); | 
|  |  | 
|  | close(sock); | 
|  | chr = be.chr; | 
|  |  | 
|  | /* run the file chardev test */ | 
|  | char_file_test_internal(chr, filename); | 
|  |  | 
|  | object_unparent(OBJECT(chr)); | 
|  |  | 
|  | qapi_free_ChardevReturn(ret); | 
|  | g_unlink(filename); | 
|  | g_free(filename); | 
|  | g_rmdir(tmp_path); | 
|  | g_free(tmp_path); | 
|  | g_free(chr_args); | 
|  | } | 
|  |  | 
|  | static SocketAddress tcpaddr = { | 
|  | .type = SOCKET_ADDRESS_TYPE_INET, | 
|  | .u.inet.host = (char *)"127.0.0.1", | 
|  | .u.inet.port = (char *)"0", | 
|  | }; | 
|  | #ifndef WIN32 | 
|  | static SocketAddress unixaddr = { | 
|  | .type = SOCKET_ADDRESS_TYPE_UNIX, | 
|  | .u.q_unix.path = (char *)"test-char.sock", | 
|  | }; | 
|  | #endif | 
|  |  | 
|  | int main(int argc, char **argv) | 
|  | { | 
|  | bool has_ipv4, has_ipv6; | 
|  |  | 
|  | qemu_init_main_loop(&error_abort); | 
|  | socket_init(); | 
|  |  | 
|  | g_test_init(&argc, &argv, NULL); | 
|  |  | 
|  | if (socket_check_protocol_support(&has_ipv4, &has_ipv6) < 0) { | 
|  | g_printerr("socket_check_protocol_support() failed\n"); | 
|  | goto end; | 
|  | } | 
|  |  | 
|  | module_call_init(MODULE_INIT_QOM); | 
|  | qemu_add_opts(&qemu_chardev_opts); | 
|  |  | 
|  | g_test_add_func("/char/null", char_null_test); | 
|  | g_test_add_func("/char/invalid", char_invalid_test); | 
|  | g_test_add_func("/char/ringbuf", char_ringbuf_test); | 
|  | g_test_add_func("/char/mux", char_mux_test); | 
|  | g_test_add_func("/char/hub", char_hub_test); | 
|  | #ifdef _WIN32 | 
|  | g_test_add_func("/char/console/subprocess", char_console_test_subprocess); | 
|  | g_test_add_func("/char/console", char_console_test); | 
|  | #endif | 
|  | g_test_add_func("/char/stdio/subprocess", char_stdio_test_subprocess); | 
|  | g_test_add_func("/char/stdio", char_stdio_test); | 
|  | #ifndef _WIN32 | 
|  | g_test_add_func("/char/pipe", char_pipe_test); | 
|  | #endif | 
|  | g_test_add_func("/char/file", char_file_test); | 
|  | #ifndef _WIN32 | 
|  | g_test_add_func("/char/file-fifo", char_file_fifo_test); | 
|  | #endif | 
|  |  | 
|  | #define SOCKET_SERVER_TEST(name, addr)                                  \ | 
|  | static CharSocketServerTestConfig server1 ## name =                 \ | 
|  | { addr, false, false };                                         \ | 
|  | static CharSocketServerTestConfig server2 ## name =                 \ | 
|  | { addr, true, false };                                          \ | 
|  | static CharSocketServerTestConfig server3 ## name =                 \ | 
|  | { addr, false, true };                                          \ | 
|  | static CharSocketServerTestConfig server4 ## name =                 \ | 
|  | { addr, true, true };                                           \ | 
|  | g_test_add_data_func("/char/socket/server/mainloop/" # name,        \ | 
|  | &server1 ##name, char_socket_server_test);     \ | 
|  | g_test_add_data_func("/char/socket/server/wait-conn/" # name,       \ | 
|  | &server2 ##name, char_socket_server_test);     \ | 
|  | g_test_add_data_func("/char/socket/server/mainloop-fdpass/" # name, \ | 
|  | &server3 ##name, char_socket_server_test);     \ | 
|  | g_test_add_data_func("/char/socket/server/wait-conn-fdpass/" # name, \ | 
|  | &server4 ##name, char_socket_server_test) | 
|  |  | 
|  | #define SOCKET_CLIENT_TEST(name, addr)                                  \ | 
|  | static CharSocketClientTestConfig client1 ## name =                 \ | 
|  | { addr, NULL, false, false, char_socket_event };                \ | 
|  | static CharSocketClientTestConfig client2 ## name =                 \ | 
|  | { addr, NULL, true, false, char_socket_event };                 \ | 
|  | static CharSocketClientTestConfig client3 ## name =                 \ | 
|  | { addr, ",reconnect-ms=1000", false, false, char_socket_event }; \ | 
|  | static CharSocketClientTestConfig client4 ## name =                 \ | 
|  | { addr, ",reconnect-ms=1000", true, false, char_socket_event }; \ | 
|  | static CharSocketClientTestConfig client5 ## name =                 \ | 
|  | { addr, NULL, false, true, char_socket_event };                 \ | 
|  | static CharSocketClientTestConfig client6 ## name =                 \ | 
|  | { addr, NULL, true, true, char_socket_event };                  \ | 
|  | static CharSocketClientTestConfig client7 ## name =                 \ | 
|  | { addr, ",reconnect-ms=1000", true, false,                      \ | 
|  | char_socket_event_with_error };                             \ | 
|  | static CharSocketClientTestConfig client8 ## name =                 \ | 
|  | { addr, ",reconnect-ms=1000", false, false, char_socket_event };\ | 
|  | g_test_add_data_func("/char/socket/client/mainloop/" # name,        \ | 
|  | &client1 ##name, char_socket_client_test);     \ | 
|  | g_test_add_data_func("/char/socket/client/wait-conn/" # name,       \ | 
|  | &client2 ##name, char_socket_client_test);     \ | 
|  | g_test_add_data_func("/char/socket/client/mainloop-reconnect/" # name, \ | 
|  | &client3 ##name, char_socket_client_test);     \ | 
|  | g_test_add_data_func("/char/socket/client/wait-conn-reconnect/" # name, \ | 
|  | &client4 ##name, char_socket_client_test);     \ | 
|  | g_test_add_data_func("/char/socket/client/mainloop-fdpass/" # name, \ | 
|  | &client5 ##name, char_socket_client_test);     \ | 
|  | g_test_add_data_func("/char/socket/client/wait-conn-fdpass/" # name, \ | 
|  | &client6 ##name, char_socket_client_test);     \ | 
|  | g_test_add_data_func("/char/socket/client/reconnect-error/" # name, \ | 
|  | &client7 ##name, char_socket_client_test);     \ | 
|  | g_test_add_data_func("/char/socket/client/dupid-reconnect/" # name, \ | 
|  | &client8 ##name, char_socket_client_dupid_test) | 
|  |  | 
|  | if (has_ipv4) { | 
|  | SOCKET_SERVER_TEST(tcp, &tcpaddr); | 
|  | SOCKET_CLIENT_TEST(tcp, &tcpaddr); | 
|  | g_test_add_data_func("/char/socket/server/two-clients/tcp", &tcpaddr, | 
|  | char_socket_server_two_clients_test); | 
|  | } | 
|  | #ifndef WIN32 | 
|  | SOCKET_SERVER_TEST(unix, &unixaddr); | 
|  | SOCKET_CLIENT_TEST(unix, &unixaddr); | 
|  | g_test_add_data_func("/char/socket/server/two-clients/unix", &unixaddr, | 
|  | char_socket_server_two_clients_test); | 
|  | #endif | 
|  |  | 
|  | g_test_add_func("/char/udp", char_udp_test); | 
|  | #if defined(HAVE_CHARDEV_SERIAL) && !defined(WIN32) | 
|  | g_test_add_func("/char/serial", char_serial_test); | 
|  | #endif | 
|  | #if defined(HAVE_CHARDEV_PARALLEL) && !defined(WIN32) | 
|  | g_test_add_func("/char/parallel", char_parallel_test); | 
|  | #endif | 
|  | g_test_add_func("/char/hotswap", char_hotswap_test); | 
|  | g_test_add_func("/char/websocket", char_websock_test); | 
|  |  | 
|  | end: | 
|  | return g_test_run(); | 
|  | } |