static void colo_compare_finalize(Object *obj)
{
CompareState *s = COLO_COMPARE(obj);
qemu_chr_fe_deinit(&s->chr_pri_in, false);
qemu_chr_fe_deinit(&s->chr_sec_in, false);
qemu_chr_fe_deinit(&s->chr_out, false);
if (s->iothread) {
colo_compare_timer_del(s);
}
/* Release all unhandled packets after compare thead exited */
g_queue_foreach(&s->conn_list, colo_flush_packets, s);
g_queue_clear(&s->conn_list);
if (s->connection_track_table) {
g_hash_table_destroy(s->connection_track_table);
}
if (s->iothread) {
object_unref(OBJECT(s->iothread));
}
g_free(s->pri_indev);
g_free(s->sec_indev);
g_free(s->outdev);
}
static void filter_redirector_cleanup(NetFilterState *nf)
{
MirrorState *s = FILTER_REDIRECTOR(nf);
qemu_chr_fe_deinit(&s->chr_in, false);
qemu_chr_fe_deinit(&s->chr_out, false);
}
static gboolean _test_server_free(TestServer *server)
{
int i;
qemu_chr_fe_deinit(&server->chr, true);
for (i = 0; i < server->fds_num; i++) {
close(server->fds[i]);
}
if (server->log_fd != -1) {
close(server->log_fd);
}
unlink(server->socket_path);
g_free(server->socket_path);
unlink(server->mig_path);
g_free(server->mig_path);
g_free(server->chr_name);
qpci_free_pc(server->bus);
g_free(server);
return FALSE;
}
static void release_chr(Object *obj, const char *name, void *opaque)
{
DeviceState *dev = DEVICE(obj);
Property *prop = opaque;
CharBackend *be = qdev_get_prop_ptr(dev, prop);
qemu_chr_fe_deinit(be);
}
static void char_mux_finalize(Object *obj)
{
MuxChardev *d = MUX_CHARDEV(obj);
int i;
for (i = 0; i < d->mux_cnt; i++) {
CharBackend *be = d->backends[i];
if (be) {
be->chr = NULL;
}
}
qemu_chr_fe_deinit(&d->chr, false);
}
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);
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, &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);
g_assert_nonnull(chr);
object_unparent(OBJECT(chr));
qemu_opts_del(opts);
}
static void vhost_user_cleanup(NetClientState *nc)
{
VhostUserState *s = DO_UPCAST(VhostUserState, nc, nc);
if (s->vhost_net) {
vhost_net_cleanup(s->vhost_net);
g_free(s->vhost_net);
s->vhost_net = NULL;
}
if (nc->queue_index == 0) {
qemu_chr_fe_deinit(&s->chr);
}
qemu_purge_queued_packets(nc);
}
static void char_stdio_test_subprocess(void)
{
Chardev *chr;
CharBackend be;
int ret;
chr = qemu_chr_new("label", "stdio");
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 con_disconnect(struct XenDevice *xendev)
{
struct XenConsole *con = container_of(xendev, struct XenConsole, xendev);
qemu_chr_fe_deinit(&con->chr, false);
xen_pv_unbind_evtchn(&con->xendev);
if (con->sring) {
if (!xendev->dev) {
xenforeignmemory_unmap(xen_fmem, con->sring, 1);
} else {
xengnttab_unmap(xendev->gnttabdev, con->sring, 1);
}
con->sring = NULL;
}
}
static void tpm_emulator_inst_finalize(Object *obj)
{
TPMEmulator *tpm_emu = TPM_EMULATOR(obj);
tpm_emulator_shutdown(tpm_emu);
object_unref(OBJECT(tpm_emu->data_ioc));
qemu_chr_fe_deinit(&tpm_emu->ctrl_chr, false);
qapi_free_TPMEmulatorOptions(tpm_emu->options);
if (tpm_emu->migration_blocker) {
migrate_del_blocker(tpm_emu->migration_blocker);
error_free(tpm_emu->migration_blocker);
}
qemu_mutex_destroy(&tpm_emu->mutex);
}
static void vhost_user_cleanup(NetClientState *nc)
{
NetVhostUserState *s = DO_UPCAST(NetVhostUserState, nc, nc);
if (s->vhost_net) {
vhost_net_cleanup(s->vhost_net);
g_free(s->vhost_net);
s->vhost_net = NULL;
}
if (nc->queue_index == 0) {
if (s->watch) {
g_source_remove(s->watch);
s->watch = 0;
}
qemu_chr_fe_deinit(&s->chr, true);
}
qemu_purge_queued_packets(nc);
}
static void char_mux_test(void)
{
QemuOpts *opts;
Chardev *chr, *base;
char *data;
FeHandler h1 = { 0, }, h2 = { 0, };
CharBackend chr_be1, chr_be2;
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, &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;
/* switch focus */
qemu_chr_be_write(base, (void *)"\1c", 2);
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;
/* 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);
qemu_chr_fe_deinit(&chr_be2, true);
}
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;
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);
qemu_chr_fe_deinit(&chr_be2, true);
}
static void filter_mirror_cleanup(NetFilterState *nf)
{
MirrorState *s = FILTER_MIRROR(nf);
qemu_chr_fe_deinit(&s->chr_out, false);
}