diff options
| -rw-r--r-- | chardev/char-socket.c | 2 | ||||
| -rw-r--r-- | tests/test-char.c | 102 |
2 files changed, 102 insertions, 2 deletions
diff --git a/chardev/char-socket.c b/chardev/char-socket.c index 4fcdd8aedd..6d287babfb 100644 --- a/chardev/char-socket.c +++ b/chardev/char-socket.c @@ -632,7 +632,7 @@ static void tcp_chr_update_read_handler(Chardev *chr) { SocketChardev *s = SOCKET_CHARDEV(chr); - if (s->listener) { + if (s->listener && s->state == TCP_CHARDEV_STATE_DISCONNECTED) { /* * It's possible that chardev context is changed in * qemu_chr_be_update_read_handlers(). Reset it for QIO net diff --git a/tests/test-char.c b/tests/test-char.c index 63b4d3289d..de328380c1 100644 --- a/tests/test-char.c +++ b/tests/test-char.c @@ -1003,6 +1003,103 @@ static void char_socket_client_test(gconstpointer opaque) g_free(optstr); } +static void +count_closed_event(void *opaque, int 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 "nowait", 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"); +} + #ifdef HAVE_CHARDEV_SERIAL static void char_serial_test(void) @@ -1342,12 +1439,15 @@ int main(int argc, char **argv) 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); #ifdef HAVE_CHARDEV_SERIAL g_test_add_func("/char/serial", char_serial_test); |