#include "qemu/osdep.h"
+#include <glib/gstdio.h>
-#include "qemu-common.h"
#include "qemu/config-file.h"
-#include "sysemu/char.h"
+#include "qemu/option.h"
+#include "qemu/sockets.h"
+#include "chardev/char-fe.h"
+#include "chardev/char-mux.h"
#include "sysemu/sysemu.h"
#include "qapi/error.h"
-#include "qmp-commands.h"
+#include "qapi/qapi-commands-char.h"
+#include "qapi/qmp/qdict.h"
+#include "qom/qom-qobject.h"
+
+static bool quit;
typedef struct FeHandler {
int read_count;
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;
memcpy(h->read_buf + h->read_count, buf, size);
h->read_count += size;
+ quit = true;
}
static void fe_event(void *opaque, int event)
FeHandler *h = opaque;
h->last_event = event;
+ if (event != CHR_EVENT_BREAK) {
+ quit = true;
+ }
}
#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
+#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);
+ 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)
{
- CharDriverState *chr;
+ Chardev *chr;
CharBackend be;
int ret;
ret = qemu_chr_fe_write(&be, (void *)"buf", 4);
g_assert_cmpint(ret, ==, 4);
- qemu_chr_fe_deinit(&be);
- qemu_chr_delete(chr);
+ qemu_chr_fe_deinit(&be, true);
}
static void char_stdio_test(void)
}
#endif
-
static void char_ringbuf_test(void)
{
QemuOpts *opts;
- CharDriverState *chr;
+ Chardev *chr;
CharBackend be;
char *data;
int ret;
g_assert_cmpstr(data, ==, "");
g_free(data);
- qemu_chr_fe_deinit(&be);
- qemu_chr_delete(chr);
+ 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);
+ g_assert_nonnull(chr);
+ object_unparent(OBJECT(chr));
+ qemu_opts_del(opts);
}
static void char_mux_test(void)
{
QemuOpts *opts;
- CharDriverState *chr, *base;
+ Chardev *chr, *base;
char *data;
FeHandler h1 = { 0, }, h2 = { 0, };
CharBackend chr_be1, chr_be2;
fe_can_read,
fe_read,
fe_event,
+ NULL,
&h1,
NULL, true);
fe_can_read,
fe_read,
fe_event,
+ NULL,
&h2,
NULL, true);
qemu_chr_fe_take_focus(&chr_be2);
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 *)"\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);
h1.read_count = 0;
/* remove first handler */
- qemu_chr_fe_set_handlers(&chr_be1, NULL, NULL, NULL, NULL, NULL, true);
+ 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);
g_assert_cmpint(strlen(data), !=, 0);
g_free(data);
- qemu_chr_fe_deinit(&chr_be1);
- qemu_chr_fe_deinit(&chr_be2);
- qemu_chr_delete(chr);
+ qemu_chr_fe_deinit(&chr_be1, false);
+ qemu_chr_fe_deinit(&chr_be2, true);
+}
+
+typedef struct SocketIdleData {
+ GMainLoop *loop;
+ Chardev *chr;
+ bool conn_expected;
+ CharBackend *be;
+ CharBackend *client_be;
+} SocketIdleData;
+
+static gboolean char_socket_test_idle(gpointer user_data)
+{
+ SocketIdleData *data = user_data;
+
+ if (object_property_get_bool(OBJECT(data->chr), "connected", NULL)
+ == data->conn_expected) {
+ quit = true;
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static void socket_read(void *opaque, const uint8_t *buf, int size)
+{
+ SocketIdleData *data = opaque;
+
+ g_assert_cmpint(size, ==, 1);
+ g_assert_cmpint(*buf, ==, 'Z');
+
+ size = qemu_chr_fe_write(data->be, (const uint8_t *)"hello", 5);
+ g_assert_cmpint(size, ==, 5);
+}
+
+static int socket_can_read(void *opaque)
+{
+ return 10;
+}
+
+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 void char_socket_test_common(Chardev *chr)
+{
+ Chardev *chr_client;
+ QObject *addr;
+ QDict *qdict;
+ const char *port;
+ SocketIdleData d = { .chr = chr };
+ CharBackend be;
+ CharBackend client_be;
+ char *tmp;
+
+ d.be = &be;
+ d.client_be = &be;
+
+ g_assert_nonnull(chr);
+ g_assert(!object_property_get_bool(OBJECT(chr), "connected", &error_abort));
+
+ 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);
+ QDECREF(qdict);
+
+ qemu_chr_fe_init(&be, chr, &error_abort);
+ qemu_chr_fe_set_handlers(&be, socket_can_read, socket_read,
+ NULL, NULL, &d, NULL, true);
+
+ chr_client = qemu_chr_new("client", tmp);
+ qemu_chr_fe_init(&client_be, chr_client, &error_abort);
+ qemu_chr_fe_set_handlers(&client_be, socket_can_read_hello,
+ socket_read_hello,
+ NULL, NULL, &d, NULL, true);
+ g_free(tmp);
+
+ d.conn_expected = true;
+ guint id = g_idle_add(char_socket_test_idle, &d);
+ g_source_set_name_by_id(id, "test-idle");
+ g_assert_cmpint(id, >, 0);
+ 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, (const uint8_t *)"Z", 1);
+ main_loop();
+
+ object_unparent(OBJECT(chr_client));
+
+ d.conn_expected = false;
+ g_idle_add(char_socket_test_idle, &d);
+ main_loop();
+
+ object_unparent(OBJECT(chr));
+}
+
+
+static void char_socket_basic_test(void)
+{
+ Chardev *chr = qemu_chr_new("server", "tcp:127.0.0.1:0,server,nowait");
+
+ char_socket_test_common(chr);
+}
+
+
+static void char_socket_fdpass_test(void)
+{
+ Chardev *chr;
+ char *optstr;
+ QemuOpts *opts;
+ int fd;
+ SocketAddress *addr = g_new0(SocketAddress, 1);
+
+ addr->type = SOCKET_ADDRESS_TYPE_INET;
+ addr->u.inet.host = g_strdup("127.0.0.1");
+ addr->u.inet.port = g_strdup("0");
+
+ fd = socket_listen(addr, &error_abort);
+ g_assert(fd >= 0);
+
+ qapi_free_SocketAddress(addr);
+
+ optstr = g_strdup_printf("socket,id=cdev,fd=%d,server,nowait", fd);
+
+ opts = qemu_opts_parse_noisily(qemu_find_opts("chardev"),
+ optstr, true);
+ g_free(optstr);
+ g_assert_nonnull(opts);
+
+ chr = qemu_chr_new_from_opts(opts, &error_abort);
+
+ qemu_opts_del(opts);
+
+ char_socket_test_common(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);
+ 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
+
+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);
+ 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);
+}
+
+#ifdef HAVE_CHARDEV_SERIAL
+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);
+ g_assert_nonnull(chr);
+ /* TODO: add more tests with a pty */
+ object_unparent(OBJECT(chr));
+
+ /* test tty alias */
+ qemu_opt_set(opts, "backend", "tty", &error_abort);
+ chr = qemu_chr_new_from_opts(opts, NULL);
+ g_assert_nonnull(chr);
+ object_unparent(OBJECT(chr));
+
+ 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,
+ .has_in = true,
+ .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,
+ &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,
+ &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_unref(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;
- CharDriverState *chr;
+ Chardev *chr;
CharBackend be;
int ret;
error_free_or_abort(&err);
/* deinit & reinit */
- qemu_chr_fe_deinit(&be);
+ qemu_chr_fe_deinit(&be, false);
qemu_chr_fe_init(&be, chr, &error_abort);
qemu_chr_fe_set_open(&be, true);
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);
- qemu_chr_delete(chr);
+ qemu_chr_fe_deinit(&be, true);
}
static void char_invalid_test(void)
{
- CharDriverState *chr;
+ Chardev *chr;
chr = qemu_chr_new("label-invalid", "invalid");
g_assert_null(chr);
}
+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);
+ 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);
+}
+
int main(int argc, char **argv)
{
+ qemu_init_main_loop(&error_abort);
+ socket_init();
+
g_test_init(&argc, &argv, NULL);
module_call_init(MODULE_INIT_QOM);
g_test_add_func("/char/ringbuf", char_ringbuf_test);
g_test_add_func("/char/mux", char_mux_test);
#ifdef CONFIG_HAS_GLIB_SUBPROCESS_TESTS
+#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);
#endif
+#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
+ g_test_add_func("/char/socket/basic", char_socket_basic_test);
+ g_test_add_func("/char/socket/fdpass", char_socket_fdpass_test);
+ g_test_add_func("/char/udp", char_udp_test);
+#ifdef HAVE_CHARDEV_SERIAL
+ g_test_add_func("/char/serial", char_serial_test);
+#endif
+ g_test_add_func("/char/hotswap", char_hotswap_test);
return g_test_run();
}
projects / qemu.git / blobdiff