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package IO::Framed::Write; |
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1773
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use strict; |
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use warnings; |
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428
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use IO::Framed::X (); |
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2814
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sub new { |
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0
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2285
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my ( $class, $out_fh ) = @_; |
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my $self = { |
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_out_fh => $out_fh, |
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_writer => \&_write_now, |
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}; |
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return bless $self, $class; |
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} |
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0
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sub get_write_fh { return $_[0]->{'_out_fh'} } |
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sub disable_write_queue { |
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if ( $_[0]->{'_write_queue'} && @{ $_[0]->{'_write_queue'} } ) { |
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0
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die 'Refuse to disable non-empty write queue!'; |
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} |
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$_[0]->{'_writer'} = \&_write_now; |
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return $_[0]; |
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} |
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sub enable_write_queue { |
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$_[0]->{'_write_queue'} ||= []; |
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$_[0]->{'_writer'} = \&_enqueue_write; |
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return $_[0]; |
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} |
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sub write { |
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65542
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65542
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0
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131287
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$_[0]->{'_writer'}->(@_); |
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} |
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#====================================================================== |
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#blocking |
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#====================================================================== |
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sub _write_now { |
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65539
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65539
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212035
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local $!; |
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65539
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100
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195378
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$_[0]->can('WRITE')->( $_[0]->{'_out_fh'}, $_[1] ) or do { |
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1
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die IO::Framed::X->create('WriteError', $!); |
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}; |
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65538
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844721
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$_[2]->() if $_[2]; |
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65538
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236777
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return; |
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} |
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#====================================================================== |
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#non-blocking |
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#====================================================================== |
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60
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sub _enqueue_write { |
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my $self = shift; |
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3
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push @{ $self->{'_write_queue'} }, \@_; |
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10
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64
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65
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3
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return; |
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} |
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#---------------------------------------------------------------------- |
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70
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sub flush_write_queue { |
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4098
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4098
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0
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201532
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my ($self) = @_; |
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73
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4098
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10167
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while ( my $qi = $self->{'_write_queue'}[0] ) { |
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4098
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100
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7592
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return 0 if !$self->_write_now_then_callback( @$qi ); |
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3
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6
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shift @{ $self->{'_write_queue'} }; |
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3
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16
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77
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} |
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79
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3
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12
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return 1; |
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} |
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sub get_write_queue_count { |
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5
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5
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0
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598
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my ($self) = @_; |
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85
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5
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10
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return 0 + @{ $self->{'_write_queue'} }; |
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5
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22
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86
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} |
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88
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sub forget_write_queue { |
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0
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0
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0
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my ($self) = @_; |
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91
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0
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0
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my $count = @{ $self->{'_write_queue'} }; |
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0
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0
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92
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93
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0
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0
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@{ $self->{'_write_queue'} } = (); |
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0
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0
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94
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95
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0
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0
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return $count; |
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} |
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98
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sub WRITE { |
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2
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2
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1017
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require IO::SigGuard; |
100
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2
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1598
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*WRITE = *IO::SigGuard::syswrite; |
101
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2
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12
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goto &WRITE; |
102
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} |
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104
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#---------------------------------------------------------------------- |
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106
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sub _write_now_then_callback { |
107
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4098
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4098
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11392
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local $!; |
108
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109
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4098
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66
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14621
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my $wrote = $_[0]->can('WRITE')->( $_[0]->{'_out_fh'}, $_[1] ) || do { |
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1
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1
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455
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if ($! && !$!{'EAGAIN'} && !$!{'EWOULDBLOCK'}) { |
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1
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1420
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1
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9
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111
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die IO::Framed::X->create('WriteError', $!); |
112
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} |
113
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114
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return undef; |
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}; |
116
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117
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3
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50
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886
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if ($wrote == length $_[1]) { |
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3
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$_[0]->{'_write_queue_partial'} = 0; |
119
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3
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100
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$_[2]->() if $_[2]; |
120
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3
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16
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return 1; |
121
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} |
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123
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#Trim the bytes that we did send. |
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0
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0
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substr( $_[1], 0, $wrote ) = q<>; |
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126
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#This seems useful to track … ?? |
127
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0
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0
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$_[0]->{'_write_queue_partial'} = 1; |
128
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129
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0
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0
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return 0; |
130
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} |
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132
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1; |