guint32
ring_buffer_get_continual_range_length(RingBuffer *self, RingBufferIsContinuousPredicate pred)
{
guint32 r = 0, i;
g_assert(self->buffer != NULL);
for (i = 0; i < ring_buffer_count(self); i++)
{
if (!pred(ring_buffer_element_at(self, i)))
{
break;
}
++r;
}
return r;
}
static inline void
_drop_range(LateAckTracker *self, guint32 n)
{
int i;
LateAckRecord *ack_rec;
for (i = 0; i < n; i++)
{
ack_rec = ring_buffer_element_at(&self->ack_record_storage, i);
ack_rec->acked = FALSE;
late_ack_record_destroy(ack_rec);
ack_rec->bookmark.save = NULL;
ack_rec->bookmark.destroy = NULL;
}
ring_buffer_drop(&self->ack_record_storage, n);
}
static void
test_element_at()
{
RingBuffer rb;
size_t i;
TestData *td;
_ringbuffer_init(&rb);
_ringbuffer_fill(&rb, capacity, 0, TRUE);
for ( i = 0; i < ring_buffer_count(&rb); i++ )
{
td = ring_buffer_element_at(&rb, i);
assert_true(td != NULL, "invalid element, i=%d", i);
assert_true(td->idx == i, "invalid order, actual=%d, expected=%d", td->idx, i);
}
ring_buffer_free(&rb);
}
static void
late_ack_tracker_manage_msg_ack(AckTracker *s, LogMessage *msg, AckType ack_type)
{
LateAckTracker *self = (LateAckTracker *)s;
LateAckRecord *ack_rec = (LateAckRecord *)msg->ack_record;
LateAckRecord *last_in_range = NULL;
guint32 ack_range_length = 0;
ack_rec->acked = TRUE;
if (ack_type == AT_SUSPENDED)
log_source_flow_control_suspend(self->super.source);
late_ack_tracker_lock(s);
{
ack_range_length = _get_continuous_range_length(self);
if (ack_range_length > 0)
{
last_in_range = ring_buffer_element_at(&self->ack_record_storage, ack_range_length - 1);
if (ack_type != AT_ABORTED)
{
Bookmark *bookmark = &(last_in_range->bookmark);
bookmark->save(bookmark);
}
_drop_range(self, ack_range_length);
if (ack_type == AT_SUSPENDED)
log_source_flow_control_adjust_when_suspended(self->super.source, ack_range_length);
else
log_source_flow_control_adjust(self->super.source, ack_range_length);
if (ring_buffer_is_empty(&self->ack_record_storage))
late_ack_tracker_on_all_acked_call(s);
}
}
late_ack_tracker_unlock(s);
log_msg_unref(msg);
log_pipe_unref((LogPipe *)self->super.source);
}