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| 11 | |
11 | |
| 12 | AnyEvent::Handle - non-blocking I/O on file handles via AnyEvent |
12 | AnyEvent::Handle - non-blocking I/O on file handles via AnyEvent |
| 13 | |
13 | |
| 14 | =cut |
14 | =cut |
| 15 | |
15 | |
| 16 | our $VERSION = 4.86; |
16 | our $VERSION = 4.9; |
| 17 | |
17 | |
| 18 | =head1 SYNOPSIS |
18 | =head1 SYNOPSIS |
| 19 | |
19 | |
| 20 | use AnyEvent; |
20 | use AnyEvent; |
| 21 | use AnyEvent::Handle; |
21 | use AnyEvent::Handle; |
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… | |
| 600 | |
600 | |
| 601 | =cut |
601 | =cut |
| 602 | |
602 | |
| 603 | sub on_starttls { |
603 | sub on_starttls { |
| 604 | $_[0]{on_stoptls} = $_[1]; |
604 | $_[0]{on_stoptls} = $_[1]; |
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|
605 | } |
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|
606 | |
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|
607 | =item $handle->rbuf_max ($max_octets) |
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608 | |
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609 | Configures the C<rbuf_max> setting (C<undef> disables it). |
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|
610 | |
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611 | =cut |
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612 | |
|
|
613 | sub rbuf_max { |
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|
614 | $_[0]{rbuf_max} = $_[1]; |
| 605 | } |
615 | } |
| 606 | |
616 | |
| 607 | ############################################################################# |
617 | ############################################################################# |
| 608 | |
618 | |
| 609 | =item $handle->timeout ($seconds) |
619 | =item $handle->timeout ($seconds) |
| … | |
… | |
| 981 | |
991 | |
| 982 | sub _drain_rbuf { |
992 | sub _drain_rbuf { |
| 983 | my ($self) = @_; |
993 | my ($self) = @_; |
| 984 | |
994 | |
| 985 | # avoid recursion |
995 | # avoid recursion |
| 986 | return if exists $self->{_skip_drain_rbuf}; |
996 | return if $self->{_skip_drain_rbuf}; |
| 987 | local $self->{_skip_drain_rbuf} = 1; |
997 | local $self->{_skip_drain_rbuf} = 1; |
| 988 | |
|
|
| 989 | if ( |
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| 990 | defined $self->{rbuf_max} |
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|
| 991 | && $self->{rbuf_max} < length $self->{rbuf} |
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|
| 992 | ) { |
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| 993 | $self->_error (Errno::ENOSPC, 1), return; |
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|
| 994 | } |
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|
| 995 | |
998 | |
| 996 | while () { |
999 | while () { |
| 997 | # we need to use a separate tls read buffer, as we must not receive data while |
1000 | # we need to use a separate tls read buffer, as we must not receive data while |
| 998 | # we are draining the buffer, and this can only happen with TLS. |
1001 | # we are draining the buffer, and this can only happen with TLS. |
| 999 | $self->{rbuf} .= delete $self->{_tls_rbuf} if exists $self->{_tls_rbuf}; |
1002 | $self->{rbuf} .= delete $self->{_tls_rbuf} |
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1003 | if exists $self->{_tls_rbuf}; |
| 1000 | |
1004 | |
| 1001 | my $len = length $self->{rbuf}; |
1005 | my $len = length $self->{rbuf}; |
| 1002 | |
1006 | |
| 1003 | if (my $cb = shift @{ $self->{_queue} }) { |
1007 | if (my $cb = shift @{ $self->{_queue} }) { |
| 1004 | unless ($cb->($self)) { |
1008 | unless ($cb->($self)) { |
| 1005 | if ($self->{_eof}) { |
1009 | # no progress can be made |
| 1006 | # no progress can be made (not enough data and no data forthcoming) |
1010 | # (not enough data and no data forthcoming) |
| 1007 | $self->_error (Errno::EPIPE, 1), return; |
1011 | $self->_error (Errno::EPIPE, 1), return |
| 1008 | } |
1012 | if $self->{_eof}; |
| 1009 | |
1013 | |
| 1010 | unshift @{ $self->{_queue} }, $cb; |
1014 | unshift @{ $self->{_queue} }, $cb; |
| 1011 | last; |
1015 | last; |
| 1012 | } |
1016 | } |
| 1013 | } elsif ($self->{on_read}) { |
1017 | } elsif ($self->{on_read}) { |
| … | |
… | |
| 1033 | last; |
1037 | last; |
| 1034 | } |
1038 | } |
| 1035 | } |
1039 | } |
| 1036 | |
1040 | |
| 1037 | if ($self->{_eof}) { |
1041 | if ($self->{_eof}) { |
| 1038 | if ($self->{on_eof}) { |
1042 | $self->{on_eof} |
| 1039 | $self->{on_eof}($self) |
1043 | ? $self->{on_eof}($self) |
| 1040 | } else { |
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|
| 1041 | $self->_error (0, 1, "Unexpected end-of-file"); |
1044 | : $self->_error (0, 1, "Unexpected end-of-file"); |
| 1042 | } |
1045 | |
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|
1046 | return; |
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|
1047 | } |
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1048 | |
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1049 | if ( |
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1050 | defined $self->{rbuf_max} |
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1051 | && $self->{rbuf_max} < length $self->{rbuf} |
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|
1052 | ) { |
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|
1053 | $self->_error (Errno::ENOSPC, 1), return; |
| 1043 | } |
1054 | } |
| 1044 | |
1055 | |
| 1045 | # may need to restart read watcher |
1056 | # may need to restart read watcher |
| 1046 | unless ($self->{_rw}) { |
1057 | unless ($self->{_rw}) { |
| 1047 | $self->start_read |
1058 | $self->start_read |
| … | |
… | |
| 1796 | |
1807 | |
| 1797 | =item $handle->destroy |
1808 | =item $handle->destroy |
| 1798 | |
1809 | |
| 1799 | Shuts down the handle object as much as possible - this call ensures that |
1810 | Shuts down the handle object as much as possible - this call ensures that |
| 1800 | no further callbacks will be invoked and as many resources as possible |
1811 | no further callbacks will be invoked and as many resources as possible |
| 1801 | will be freed. You must not call any methods on the object afterwards. |
1812 | will be freed. Any method you will call on the handle object after |
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1813 | destroying it in this way will be silently ignored (and it will return the |
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1814 | empty list). |
| 1802 | |
1815 | |
| 1803 | Normally, you can just "forget" any references to an AnyEvent::Handle |
1816 | Normally, you can just "forget" any references to an AnyEvent::Handle |
| 1804 | object and it will simply shut down. This works in fatal error and EOF |
1817 | object and it will simply shut down. This works in fatal error and EOF |
| 1805 | callbacks, as well as code outside. It does I<NOT> work in a read or write |
1818 | callbacks, as well as code outside. It does I<NOT> work in a read or write |
| 1806 | callback, so when you want to destroy the AnyEvent::Handle object from |
1819 | callback, so when you want to destroy the AnyEvent::Handle object from |
| … | |
… | |
| 1820 | sub destroy { |
1833 | sub destroy { |
| 1821 | my ($self) = @_; |
1834 | my ($self) = @_; |
| 1822 | |
1835 | |
| 1823 | $self->DESTROY; |
1836 | $self->DESTROY; |
| 1824 | %$self = (); |
1837 | %$self = (); |
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|
1838 | bless $self, "AnyEvent::Handle::destroyed"; |
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|
1839 | } |
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|
1840 | |
|
|
1841 | sub AnyEvent::Handle::destroyed::AUTOLOAD { |
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1842 | #nop |
| 1825 | } |
1843 | } |
| 1826 | |
1844 | |
| 1827 | =item AnyEvent::Handle::TLS_CTX |
1845 | =item AnyEvent::Handle::TLS_CTX |
| 1828 | |
1846 | |
| 1829 | This function creates and returns the AnyEvent::TLS object used by default |
1847 | This function creates and returns the AnyEvent::TLS object used by default |
