$Epoll, # Global epoll fd (for epoll mode only)
$KQueue, # Global kqueue fd (for kqueue mode only)
@ToClose, # sockets to close when event loop is done
- %OtherFds, # A hash of "other" (non-PublicInbox::DS) file
- # descriptors for the event loop to track.
$PostLoopCallback, # subref to call at the end of each loop, if defined (global)
%PLCMap, # fd (num) -> PostLoopCallback (per-object)
sub Reset {
%DescriptorMap = ();
@ToClose = ();
- %OtherFds = ();
$LoopTimeout = -1; # no timeout by default
@Timers = ();
return $HaveEpoll;
}
-=head2 C<< CLASS->WatchedSockets() >>
-
-Returns the number of file descriptors which are registered with the global
-poll object.
-
-=cut
-sub WatchedSockets {
- return scalar keys %DescriptorMap;
-}
-*watched_sockets = *WatchedSockets;
-
=head2 C<< CLASS->ToClose() >>
Return the list of sockets that are awaiting close() at the end of the
=cut
sub ToClose { return @ToClose; }
-=head2 C<< CLASS->OtherFds( [%fdmap] ) >>
-
-Get/set the hash of file descriptors that need processing in parallel with
-the registered PublicInbox::DS objects.
-
-=cut
-sub OtherFds {
- my $class = shift;
- if ( @_ ) { %OtherFds = @_ }
- return wantarray ? %OtherFds : \%OtherFds;
-}
-
-=head2 C<< CLASS->AddOtherFds( [%fdmap] ) >>
-
-Add fds to the OtherFds hash for processing.
-
-=cut
-sub AddOtherFds {
- my $class = shift;
- %OtherFds = ( %OtherFds, @_ ); # FIXME investigate what happens on dupe fds
- return wantarray ? %OtherFds : \%OtherFds;
-}
-
=head2 C<< CLASS->SetLoopTimeout( $timeout ) >>
Set the loop timeout for the event loop to some value in milliseconds.
die "Shouldn't get here.";
}
-=head2 C<< CLASS->DescriptorMap() >>
-
-Get the hash of PublicInbox::DS objects keyed by the file descriptor (fileno) they
-are wrapping.
-
-Returns a hash in list context or a hashref in scalar context.
-
-=cut
-sub DescriptorMap {
- return wantarray ? %DescriptorMap : \%DescriptorMap;
-}
-*descriptor_map = *DescriptorMap;
-*get_sock_ref = *DescriptorMap;
-
sub _InitPoller
{
return if $DoneInit;
sub EpollEventLoop {
my $class = shift;
- foreach my $fd ( keys %OtherFds ) {
- if (epoll_ctl($Epoll, EPOLL_CTL_ADD, $fd, EPOLLIN) == -1) {
- warn "epoll_ctl(): failure adding fd=$fd; $! (", $!+0, ")\n";
- }
- }
-
while (1) {
my @events;
my $i;
# if we didn't find a Perlbal::Socket subclass for that fd, try other
# pseudo-registered (above) fds.
if (! $pob) {
- if (my $code = $OtherFds{$ev->[0]}) {
- $code->($state);
- } else {
- my $fd = $ev->[0];
- warn "epoll() returned fd $fd w/ state $state for which we have no mapping. removing.\n";
- POSIX::close($fd);
- epoll_ctl($Epoll, EPOLL_CTL_DEL, $fd, 0);
- }
+ my $fd = $ev->[0];
+ warn "epoll() returned fd $fd w/ state $state for which we have no mapping. removing.\n";
+ epoll_ctl($Epoll, EPOLL_CTL_DEL, $fd, 0);
+ POSIX::close($fd);
next;
}
# modifies the array in place with the even elements being
# replaced with the event masks that occured.
my @poll;
- foreach my $fd ( keys %OtherFds ) {
- push @poll, $fd, POLLIN;
- }
while ( my ($fd, $sock) = each %DescriptorMap ) {
push @poll, $fd, $sock->{event_watch};
}
$pob = $DescriptorMap{$fd};
if (!$pob) {
- if (my $code = $OtherFds{$fd}) {
- $code->($state);
- }
next;
}
sub KQueueEventLoop {
my $class = shift;
- foreach my $fd (keys %OtherFds) {
- $KQueue->EV_SET($fd, IO::KQueue::EVFILT_READ(), IO::KQueue::EV_ADD());
- }
-
while (1) {
my $timeout = RunTimers();
my @ret = eval { $KQueue->kevent($timeout) };
my ($fd, $filter, $flags, $fflags) = @$kev;
my PublicInbox::DS $pob = $DescriptorMap{$fd};
if (!$pob) {
- if (my $code = $OtherFds{$fd}) {
- $code->($filter);
- } else {
- warn "kevent() returned fd $fd for which we have no mapping. removing.\n";
- POSIX::close($fd); # close deletes the kevent entry
- }
+ warn "kevent() returned fd $fd for which we have no mapping. removing.\n";
+ POSIX::close($fd); # close deletes the kevent entry
next;
}
Return 1 (or any true value) from the sub to make the loop continue, 0 or false
and it will exit.
-The callback function will be passed two parameters: \%DescriptorMap, \%OtherFds.
+The callback function will be passed two parameters: \%DescriptorMap
=cut
sub SetPostLoopCallback {
# per-object post-loop-callbacks
for my $plc (values %PLCMap) {
- $keep_running &&= $plc->(\%DescriptorMap, \%OtherFds);
+ $keep_running &&= $plc->(\%DescriptorMap);
}
# now we're at the very end, call callback if defined
if (defined $PostLoopCallback) {
- $keep_running &&= $PostLoopCallback->(\%DescriptorMap, \%OtherFds);
+ $keep_running &&= $PostLoopCallback->(\%DescriptorMap);
}
return $keep_running;
return $ret;
}
-sub _undef {
- return undef unless $ENV{DS_DEBUG};
- my $msg = shift || "";
- warn "PublicInbox::DS: $msg\n";
- return undef;
-}
-
package PublicInbox::DS::Timer;
# [$abs_float_firetime, $coderef];
sub cancel {