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monitor: Reduce casting of QAPI event QDict

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Make the variables holding the event QDict instead of QObject.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <1444921716-9511-2-git-send-email-armbru@redhat.com>
This commit is contained in:
Markus Armbruster 2015-10-15 17:08:30 +02:00
parent 7f0278435d
commit 688b4b7de7
1 changed files with 19 additions and 19 deletions
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38
monitor.c
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@ -185,7 +185,7 @@ typedef struct MonitorQAPIEventState {
int64_t rate; /* Minimum time (in ns) between two events */
int64_t last; /* QEMU_CLOCK_REALTIME value at last emission */
QEMUTimer *timer; /* Timer for handling delayed events */
QObject *data; /* Event pending delayed dispatch */
QDict *qdict; /* Delayed event (if any) */
} MonitorQAPIEventState;
struct Monitor {
@ -444,14 +444,14 @@ static MonitorQAPIEventState monitor_qapi_event_state[QAPI_EVENT_MAX];
* Emits the event to every monitor instance, @event is only used for trace
* Called with monitor_lock held.
*/
static void monitor_qapi_event_emit(QAPIEvent event, QObject *data)
static void monitor_qapi_event_emit(QAPIEvent event, QDict *qdict)
{
Monitor *mon;
trace_monitor_protocol_event_emit(event, data);
trace_monitor_protocol_event_emit(event, qdict);
QLIST_FOREACH(mon, &mon_list, entry) {
if (monitor_is_qmp(mon) && mon->qmp.in_command_mode) {
monitor_json_emitter(mon, data);
monitor_json_emitter(mon, QOBJECT(qdict));
}
}
}
@ -461,7 +461,7 @@ static void monitor_qapi_event_emit(QAPIEvent event, QObject *data)
* applying any rate limiting if required.
*/
static void
monitor_qapi_event_queue(QAPIEvent event, QDict *data, Error **errp)
monitor_qapi_event_queue(QAPIEvent event, QDict *qdict, Error **errp)
{
MonitorQAPIEventState *evstate;
assert(event < QAPI_EVENT_MAX);
@ -469,7 +469,7 @@ monitor_qapi_event_queue(QAPIEvent event, QDict *data, Error **errp)
evstate = &(monitor_qapi_event_state[event]);
trace_monitor_protocol_event_queue(event,
data,
qdict,
evstate->rate,
evstate->last,
now);
@ -477,26 +477,26 @@ monitor_qapi_event_queue(QAPIEvent event, QDict *data, Error **errp)
/* Rate limit of 0 indicates no throttling */
qemu_mutex_lock(&monitor_lock);
if (!evstate->rate) {
monitor_qapi_event_emit(event, QOBJECT(data));
monitor_qapi_event_emit(event, qdict);
evstate->last = now;
} else {
int64_t delta = now - evstate->last;
if (evstate->data ||
if (evstate->qdict ||
delta < evstate->rate) {
/* If there's an existing event pending, replace
* it with the new event, otherwise schedule a
* timer for delayed emission
*/
if (evstate->data) {
qobject_decref(evstate->data);
if (evstate->qdict) {
QDECREF(evstate->qdict);
} else {
int64_t then = evstate->last + evstate->rate;
timer_mod_ns(evstate->timer, then);
}
evstate->data = QOBJECT(data);
qobject_incref(evstate->data);
evstate->qdict = qdict;
QINCREF(evstate->qdict);
} else {
monitor_qapi_event_emit(event, QOBJECT(data));
monitor_qapi_event_emit(event, qdict);
evstate->last = now;
}
}
@ -513,14 +513,14 @@ static void monitor_qapi_event_handler(void *opaque)
int64_t now = qemu_clock_get_ns(QEMU_CLOCK_REALTIME);
trace_monitor_protocol_event_handler(evstate->event,
evstate->data,
evstate->qdict,
evstate->last,
now);
qemu_mutex_lock(&monitor_lock);
if (evstate->data) {
monitor_qapi_event_emit(evstate->event, evstate->data);
qobject_decref(evstate->data);
evstate->data = NULL;
if (evstate->qdict) {
monitor_qapi_event_emit(evstate->event, evstate->qdict);
QDECREF(evstate->qdict);
evstate->qdict = NULL;
}
evstate->last = now;
qemu_mutex_unlock(&monitor_lock);
@ -547,7 +547,7 @@ monitor_qapi_event_throttle(QAPIEvent event, int64_t rate)
assert(rate * SCALE_MS <= INT64_MAX);
evstate->rate = rate * SCALE_MS;
evstate->last = 0;
evstate->data = NULL;
evstate->qdict = NULL;
evstate->timer = timer_new(QEMU_CLOCK_REALTIME,
SCALE_MS,
monitor_qapi_event_handler,