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char: use /chardevs container instead of chardevs list 

Use object_resolve_path_component() and object_child_foreach() on
/chardevs container instead of iterating over chardevs list.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
This commit is contained in:
Marc-André Lureau 2016-12-14 16:44:19 +03:00
parent 474628e837
commit 6061162e52
1 changed files with 36 additions and 30 deletions
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66
chardev/char.c
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@ -455,21 +455,24 @@ static const TypeInfo char_type_info = {
* mux will receive CHR_EVENT_OPENED notifications for the BE
* immediately.
*/
static int open_muxes(Object *child, void *opaque)
{
if (CHARDEV_IS_MUX(child)) {
/* send OPENED to all already-attached FEs */
mux_chr_send_all_event(CHARDEV(child), CHR_EVENT_OPENED);
/* mark mux as OPENED so any new FEs will immediately receive
* OPENED event
*/
qemu_chr_be_event(CHARDEV(child), CHR_EVENT_OPENED);
}
return 0;
}
static void muxes_realize_done(Notifier *notifier, void *unused)
{
Chardev *chr;
muxes_realized = true;
QTAILQ_FOREACH(chr, &chardevs, next) {
if (CHARDEV_IS_MUX(chr)) {
/* send OPENED to all already-attached FEs */
mux_chr_send_all_event(CHARDEV(chr), CHR_EVENT_OPENED);
/* mark mux as OPENED so any new FEs will immediately receive
* OPENED event
*/
qemu_chr_be_event(chr, CHR_EVENT_OPENED);
}
}
object_child_foreach(get_chardevs_root(), open_muxes, NULL);
}
static Notifier muxes_realize_notify = {
@ -1068,21 +1071,29 @@ void qemu_chr_fe_disconnect(CharBackend *be)
}
}
static int qmp_query_chardev_foreach(Object *obj, void *data)
{
Chardev *chr = CHARDEV(obj);
ChardevInfoList **list = data;
ChardevInfoList *info = g_malloc0(sizeof(*info));
info->value = g_malloc0(sizeof(*info->value));
info->value->label = g_strdup(chr->label);
info->value->filename = g_strdup(chr->filename);
info->value->frontend_open = chr->be && chr->be->fe_open;
info->next = *list;
*list = info;
return 0;
}
ChardevInfoList *qmp_query_chardev(Error **errp)
{
ChardevInfoList *chr_list = NULL;
Chardev *chr;
QTAILQ_FOREACH(chr, &chardevs, next) {
ChardevInfoList *info = g_malloc0(sizeof(*info));
info->value = g_malloc0(sizeof(*info->value));
info->value->label = g_strdup(chr->label);
info->value->filename = g_strdup(chr->filename);
info->value->frontend_open = chr->be && chr->be->fe_open;
info->next = chr_list;
chr_list = info;
}
object_child_foreach(get_chardevs_root(),
qmp_query_chardev_foreach, &chr_list);
return chr_list;
}
@ -1110,14 +1121,9 @@ ChardevBackendInfoList *qmp_query_chardev_backends(Error **errp)
Chardev *qemu_chr_find(const char *name)
{
Chardev *chr;
Object *obj = object_resolve_path_component(get_chardevs_root(), name);
QTAILQ_FOREACH(chr, &chardevs, next) {
if (strcmp(chr->label, name) != 0)
continue;
return chr;
}
return NULL;
return obj ? CHARDEV(obj) : NULL;
}
QemuOptsList qemu_chardev_opts = {