my $timers = $self->_timers;
my $new = [ $at => $code, $watch{every} ];
$self->_sort_timers($new);
- log_debug { "Created new timer that expires at '$at'" };
+ log_debug { "Created new timer with id '$new' that expires at '$at'" };
return "$new";
}
my $wait_time = $self->_next_timer_expires_delay;
log_trace { sprintf("Run loop: loop_once() has been invoked by $c[1]:$c[2] with read:%i write:%i select timeout:%s",
scalar(keys(%$read)), scalar(keys(%$write)), defined $wait_time ? $wait_time : 'indefinite' ) };
- #TODO The docs state that select() in some instances can return a socket as ready to
- #read data even if reading from it would block and the recomendation is to set
- #handles used with select() as non-blocking but Perl on Windows can not set a
- #handle to use non-blocking IO - If Windows is not one of the operating
- #systems where select() returns a handle that could block it would work to
- #enable non-blocking mode only under Posix - the non-blocking sysread()
- #logic would work unmodified for both blocking and non-blocking handles
- #under Posix and Windows.
my ($readable, $writeable) = IO::Select->select(
- #TODO how come select() isn't used to identify handles with errors on them?
- #TODO is there a specific reason for a half second maximum wait duration?
- #The two places I've found for the runloop to be invoked don't return control
- #to the caller until a controlling variable interrupts the loop that invokes
- #loop_once() - is this to allow that variable to be polled and exit the
- #run loop? If so why isn't that behavior event driven and causes select() to
- #return?
$self->_read_select, $self->_write_select, undef, $wait_time
);
log_trace {
log_trace { "Checking timers" };
while (@$timers and $timers->[0][0] <= $now) {
my $active = $timers->[0];
- Dlog_debug { "Found timer that needs to be executed: $_" } $active;
-# my (shift @$timers)->[1]->();
+ Dlog_trace { "Found timer that needs to be executed: '$active'" };
if (defined($active->[2])) {
#handle the case of an 'every' timer
return;
}
-#::Node and ::ConnectionServer use the want_run() / want_stop()
-#counter to cause a run-loop to execute while something is active;
-#the futures do this via a different mechanism
sub want_run {
my ($self) = @_;
Dlog_debug { "Run loop: Incrimenting want_running, is now $_" }
--$self->{want_running};
}
-#TODO Hypothesis: Futures invoke run() which gives that future
-#it's own localized is_running attribute - any adjustment to the
-#is_running attribute outside of that future will not effect that
-#future so each future winds up able to call run() and stop() at
-#will with out interfering with each other - how about having
-#run loop until the future becomes ready?
sub run {
my ($self) = @_;
log_trace { "Run loop: run() invoked" };