bool
WriterInfo::active(ACE_Time_Value default_participant_timeout) const
{
// Need some period of time by which to decide if a writer the
// DataReaderImpl knows about has gone 'inactive'. Used to determine
// if a remove_associations should remove immediately or wait to let
// reader process more information that may have queued up from the writer
// Over-arching max wait time for removal is controlled in the
// RemoveAssociationSweeper (10 seconds), but on a per writer basis set
// activity_wait_period based on:
// 1) Reader's liveliness_lease_duration
// 2) DCPSPendingTimeout value (if not zero)
// 3) Writer's max blocking time (could be infinite, in which case
// RemoveAssociationSweeper will remove after its max wait)
// 4) Zero - don't wait, simply remove association
ACE_Time_Value activity_wait_period(default_participant_timeout);
if (reader_->liveliness_lease_duration_ != ACE_Time_Value::zero) {
activity_wait_period = reader_->liveliness_lease_duration_;
}
if (activity_wait_period == ACE_Time_Value::zero) {
activity_wait_period = duration_to_time_value(writer_qos_.reliability.max_blocking_time);
}
if (activity_wait_period == ACE_Time_Value::zero) {
return false;
}
return (ACE_OS::gettimeofday() - last_liveliness_activity_time_) <= activity_wait_period;
}
ACE_Time_Value WriterInfo::activity_wait_period() const
{
ACE_Time_Value activity_wait_period(TheServiceParticipant->pending_timeout());
if (reader_->liveliness_lease_duration_ != ACE_Time_Value::zero) {
activity_wait_period = reader_->liveliness_lease_duration_;
}
if (activity_wait_period == ACE_Time_Value::zero) {
activity_wait_period = duration_to_time_value(writer_qos_.reliability.max_blocking_time);
}
return activity_wait_period;
}
