| … | |
… | |
| 43 | $cv->wait; |
43 | $cv->wait; |
| 44 | |
44 | |
| 45 | =head1 DESCRIPTION |
45 | =head1 DESCRIPTION |
| 46 | |
46 | |
| 47 | This module is a helper module to make it easier to do event-based I/O on |
47 | This module is a helper module to make it easier to do event-based I/O on |
| 48 | filehandles (and sockets, see L<AnyEvent::Socket> for an easy way to make |
48 | filehandles. For utility functions for doing non-blocking connects and accepts |
| 49 | non-blocking resolves and connects). |
49 | on sockets see L<AnyEvent::Util>. |
| 50 | |
50 | |
| 51 | In the following, when the documentation refers to of "bytes" then this |
51 | In the following, when the documentation refers to of "bytes" then this |
| 52 | means characters. As sysread and syswrite are used for all I/O, their |
52 | means characters. As sysread and syswrite are used for all I/O, their |
| 53 | treatment of characters applies to this module as well. |
53 | treatment of characters applies to this module as well. |
| 54 | |
54 | |
| … | |
… | |
| 362 | =cut |
362 | =cut |
| 363 | |
363 | |
| 364 | sub _drain_rbuf { |
364 | sub _drain_rbuf { |
| 365 | my ($self) = @_; |
365 | my ($self) = @_; |
| 366 | |
366 | |
| 367 | return if exists $self->{in_drain}; |
367 | return if $self->{in_drain}; |
| 368 | local $self->{in_drain} = 1; |
368 | local $self->{in_drain} = 1; |
| 369 | |
369 | |
| 370 | while (my $len = length $self->{rbuf}) { |
370 | while (my $len = length $self->{rbuf}) { |
| 371 | no strict 'refs'; |
371 | no strict 'refs'; |
| 372 | if (my $cb = shift @{ $self->{queue} }) { |
372 | if (my $cb = shift @{ $self->{queue} }) { |
| … | |
… | |
| 485 | sub _read_chunk($$) { |
485 | sub _read_chunk($$) { |
| 486 | my ($self, $len, $cb) = @_; |
486 | my ($self, $len, $cb) = @_; |
| 487 | |
487 | |
| 488 | sub { |
488 | sub { |
| 489 | $len <= length $_[0]{rbuf} or return; |
489 | $len <= length $_[0]{rbuf} or return; |
| 490 | $cb->($self, $_[0], substr $_[0]{rbuf}, 0, $len, ""); |
490 | $cb->($_[0], substr $_[0]{rbuf}, 0, $len, ""); |
| 491 | 1 |
491 | 1 |
| 492 | } |
492 | } |
| 493 | } |
493 | } |
| 494 | |
494 | |
| 495 | sub push_read_chunk { |
495 | sub push_read_chunk { |
| … | |
… | |
| 531 | my $self = shift; |
531 | my $self = shift; |
| 532 | my $cb = pop; |
532 | my $cb = pop; |
| 533 | my $eol = @_ ? shift : qr|(\015?\012)|; |
533 | my $eol = @_ ? shift : qr|(\015?\012)|; |
| 534 | my $pos; |
534 | my $pos; |
| 535 | |
535 | |
| 536 | $eol = qr|(\Q$eol\E)| unless ref $eol; |
536 | $eol = quotemeta $eol unless ref $eol; |
| 537 | $eol = qr|^(.*?)($eol)|; |
537 | $eol = qr|^(.*?)($eol)|s; |
| 538 | |
538 | |
| 539 | sub { |
539 | sub { |
| 540 | $_[0]{rbuf} =~ s/$eol// or return; |
540 | $_[0]{rbuf} =~ s/$eol// or return; |
| 541 | |
541 | |
| 542 | $cb->($self, $1, $2); |
542 | $cb->($_[0], $1, $2); |
| 543 | 1 |
543 | 1 |
| 544 | } |
544 | } |
| 545 | } |
545 | } |
| 546 | |
546 | |
| 547 | sub push_read_line { |
547 | sub push_read_line { |
| … | |
… | |
| 577 | |
577 | |
| 578 | $self->{rw} = AnyEvent->io (fh => $self->{fh}, poll => "r", cb => sub { |
578 | $self->{rw} = AnyEvent->io (fh => $self->{fh}, poll => "r", cb => sub { |
| 579 | my $len = sysread $self->{fh}, $self->{rbuf}, $self->{read_size} || 8192, length $self->{rbuf}; |
579 | my $len = sysread $self->{fh}, $self->{rbuf}, $self->{read_size} || 8192, length $self->{rbuf}; |
| 580 | |
580 | |
| 581 | if ($len > 0) { |
581 | if ($len > 0) { |
| 582 | if (exists $self->{rbuf_max}) { |
582 | if (defined $self->{rbuf_max}) { |
| 583 | if ($self->{rbuf_max} < length $self->{rbuf}) { |
583 | if ($self->{rbuf_max} < length $self->{rbuf}) { |
| 584 | $! = &Errno::ENOSPC; return $self->error; |
584 | $! = &Errno::ENOSPC; return $self->error; |
| 585 | } |
585 | } |
| 586 | } |
586 | } |
| 587 | |
587 | |
