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timeline: Process events in batches

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A batch size of 5 doesn't seem to impact the mainloop
any more than a batch of size 1, but it reduces the
amount of time spinning the loop quite considerably.
This commit is contained in:
Georges Basile Stavracas Neto
2020-04-14 19:08:06 +00:00
parent 16c156914a
commit d4a6cd0e61
1 changed files with 70 additions and 59 deletions
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src/core/gcal-timeline.c
+70 -59
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@@ -32,6 +32,8 @@
#include <libedataserver/libedataserver.h>
#define BATCH_SIZE 5
typedef enum
{
ADD_EVENT,
@@ -581,87 +583,96 @@ timeline_source_dispatch (GSource *source,
{
TimelineSource *timeline_source;
GcalTimeline *self;
GcalRange *event_range;
QueueData *queue_data;
GcalEvent *event;
gint i;
gint processed_events;
GCAL_ENTRY;
processed_events = 0;
timeline_source = (TimelineSource*) source;
self = timeline_source->timeline;
queue_data = g_queue_pop_head (self->event_queue);
event = queue_data->event;
event_range = gcal_event_get_range (event);
switch (queue_data->queue_event)
while (processed_events < BATCH_SIZE && !g_queue_is_empty (self->event_queue))
{
case ADD_EVENT:
GCAL_TRACE_MSG ("Processing ADD_EVENT for event '%s' (%s)",
gcal_event_get_summary (event),
gcal_event_get_uid (event));
GcalRange *event_range;
QueueData *queue_data;
GcalEvent *event;
gint i;
if (queue_data->update_range_tree)
gcal_range_tree_add_range (self->events, event_range, g_object_ref (event));
queue_data = g_queue_pop_head (self->event_queue);
for (i = 0; queue_data->subscribers && i < queue_data->subscribers->len; i++)
event = queue_data->event;
event_range = gcal_event_get_range (event);
switch (queue_data->queue_event)
{
GcalTimelineSubscriber *subscriber = g_ptr_array_index (queue_data->subscribers, i);
case ADD_EVENT:
GCAL_TRACE_MSG ("Processing ADD_EVENT for event '%s' (%s)",
gcal_event_get_summary (event),
gcal_event_get_uid (event));
if (!subscriber_contains_event (subscriber, event))
continue;
add_event_to_subscriber (subscriber, event);
}
break;
case UPDATE_EVENT:
{
GCAL_TRACE_MSG ("Processing UPDATE_EVENT for event '%s' (%s)",
gcal_event_get_summary (event),
gcal_event_get_uid (event));
if (queue_data->update_range_tree)
{
GcalRange *old_event_range;
/* Remove the old event */
old_event_range = gcal_event_get_range (queue_data->old_event);
gcal_range_tree_remove_range (self->events, old_event_range, queue_data->old_event);
if (queue_data->update_range_tree)
gcal_range_tree_add_range (self->events, event_range, g_object_ref (event));
}
for (i = 0; queue_data->subscribers && i < queue_data->subscribers->len; i++)
for (i = 0; queue_data->subscribers && i < queue_data->subscribers->len; i++)
{
GcalTimelineSubscriber *subscriber = g_ptr_array_index (queue_data->subscribers, i);
if (!subscriber_contains_event (subscriber, event))
continue;
add_event_to_subscriber (subscriber, event);
}
break;
case UPDATE_EVENT:
{
GcalTimelineSubscriber *subscriber = g_ptr_array_index (queue_data->subscribers, i);
GCAL_TRACE_MSG ("Processing UPDATE_EVENT for event '%s' (%s)",
gcal_event_get_summary (event),
gcal_event_get_uid (event));
if (!subscriber_contains_event (subscriber, event))
continue;
if (queue_data->update_range_tree)
{
GcalRange *old_event_range;
update_subscriber_event (subscriber, event);
/* Remove the old event */
old_event_range = gcal_event_get_range (queue_data->old_event);
gcal_range_tree_remove_range (self->events, old_event_range, queue_data->old_event);
gcal_range_tree_add_range (self->events, event_range, g_object_ref (event));
}
for (i = 0; queue_data->subscribers && i < queue_data->subscribers->len; i++)
{
GcalTimelineSubscriber *subscriber = g_ptr_array_index (queue_data->subscribers, i);
if (!subscriber_contains_event (subscriber, event))
continue;
update_subscriber_event (subscriber, event);
}
}
}
break;
break;
case REMOVE_EVENT:
GCAL_TRACE_MSG ("Processing REMOVE_EVENT for event '%s' (%s)",
gcal_event_get_summary (event),
gcal_event_get_uid (event));
case REMOVE_EVENT:
GCAL_TRACE_MSG ("Processing REMOVE_EVENT for event '%s' (%s)",
gcal_event_get_summary (event),
gcal_event_get_uid (event));
for (i = 0; queue_data->subscribers && i < queue_data->subscribers->len; i++)
{
GcalTimelineSubscriber *subscriber = g_ptr_array_index (queue_data->subscribers, i);
remove_event_from_subscriber (subscriber, event);
for (i = 0; queue_data->subscribers && i < queue_data->subscribers->len; i++)
{
GcalTimelineSubscriber *subscriber = g_ptr_array_index (queue_data->subscribers, i);
remove_event_from_subscriber (subscriber, event);
}
if (queue_data->update_range_tree)
gcal_range_tree_remove_range (self->events, event_range, event);
break;
}
if (queue_data->update_range_tree)
gcal_range_tree_remove_range (self->events, event_range, event);
break;
}
queue_data_free (queue_data);
queue_data_free (queue_data);
processed_events++;
}
GCAL_RETURN (G_SOURCE_CONTINUE);
}