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# |
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# This file is part of IO-Socket-Timeout |
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# |
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# This software is copyright (c) 2013 by Damien "dams" Krotkine. |
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# |
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# This is free software; you can redistribute it and/or modify it under |
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# the same terms as the Perl 5 programming language system itself. |
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# |
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package IO::Socket::Timeout; |
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$IO::Socket::Timeout::VERSION = '0.32'; |
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5
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5
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133591
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use strict; |
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11
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5
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129
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12
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5
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25
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use warnings; |
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8
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5
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130
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13
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5
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21
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use Config; |
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11
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5
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153
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14
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5
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5
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22
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use Carp; |
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5
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2367
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16
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17
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# ABSTRACT: IO::Socket with read/write timeout |
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20
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sub import { |
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5
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5
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42
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shift; |
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5
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4421
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foreach (@_) { |
23
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2
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7
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_create_composed_class( $_, 'IO::Socket::Timeout::Role::SetSockOpt'); |
24
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2
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4
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_create_composed_class( $_, 'IO::Socket::Timeout::Role::PerlIO'); |
25
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} |
26
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} |
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28
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29
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sub enable_timeouts_on { |
30
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8
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8
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1
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265854
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my ($class, $socket) = @_; |
31
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8
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50
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84
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defined $socket |
32
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or return; |
33
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8
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50
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132
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$socket->isa('IO::Socket') |
34
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or croak 'make_timeouts_aware can be used only on instances that inherit from IO::Socket'; |
35
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36
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8
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527
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my $osname = $Config{osname}; |
37
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8
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100
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33
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234
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if ( ! $ENV{PERL_IO_SOCKET_TIMEOUT_FORCE_SELECT} |
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66
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38
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&& ( $osname eq 'darwin' || $osname eq 'linux' || $osname eq 'freebsd' ) ) { |
39
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5
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60
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_compose_roles($socket, 'IO::Socket::Timeout::Role::SetSockOpt'); |
40
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} else { |
41
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3
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105
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require PerlIO::via::Timeout; |
42
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3
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1
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255
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binmode($socket, ':via(Timeout)'); |
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1
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10
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1
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2
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1
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41
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43
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3
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45143
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_compose_roles($socket, 'IO::Socket::Timeout::Role::PerlIO'); |
44
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} |
45
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46
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8
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176
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$socket->enable_timeout; |
47
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8
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140
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return $socket; |
48
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} |
49
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50
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sub _create_composed_class { |
51
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12
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12
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44
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my ($class, @roles) = @_; |
52
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12
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118
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my $composed_class = $class . '__with__' . join('__and__', @roles); |
53
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12
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43
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my $path = $composed_class; $path =~ s|::|/|g; $path .= '.pm'; |
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12
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232
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12
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47
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54
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12
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100
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101
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if ( ! exists $INC{$path}) { |
55
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5
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5
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26
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no strict 'refs'; |
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5
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10
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5
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1573
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56
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8
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34
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*{"${composed_class}::ISA"} = [ $class, @roles ]; |
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8
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1109
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57
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8
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39
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$INC{$path} = __FILE__; |
58
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} |
59
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12
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93954
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return $composed_class; |
60
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} |
61
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62
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sub _compose_roles { |
63
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8
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8
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61
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my ($instance, @roles) = @_; |
64
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8
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98
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bless $instance, _create_composed_class(ref $instance, @roles); |
65
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} |
66
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67
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# sysread FILEHANDLE,SCALAR,LENGTH,OFFSET |
68
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BEGIN { |
69
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5
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5
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47
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my $osname = $Config{osname}; |
70
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5
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100
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33
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2820
|
if ( $ENV{PERL_IO_SOCKET_TIMEOUT_FORCE_SELECT} || |
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33
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66
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71
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$osname ne 'darwin' && $osname ne 'linux' && $osname ne 'freebsd' |
72
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) { |
73
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# this variable avoids infinite recursion, because |
74
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# PerlIO::via::Timeout->READ calls sysread. |
75
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1
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16
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my $_prevent_deep_recursion; |
76
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*CORE::GLOBAL::sysread = sub { |
77
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31
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24354
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my $args_count = scalar(@_); |
78
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31
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100
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100
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295
|
$_prevent_deep_recursion |
|
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100
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66
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79
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|| ! PerlIO::via::Timeout::has_timeout_layer($_[0]) |
80
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|| ! PerlIO::via::Timeout::timeout_enabled($_[0]) |
81
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and return ( $args_count == 4 ? CORE::sysread($_[0], $_[1], $_[2], $_[3]) |
82
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: CORE::sysread($_[0], $_[1], $_[2]) |
83
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); |
84
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15
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481
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$_prevent_deep_recursion = 1; |
85
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15
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92
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my $ret_val = PerlIO::via::Timeout->READ($_[1], $_[2], $_[0]); |
86
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15
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|
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200530
|
$_prevent_deep_recursion = 0; |
87
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15
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40
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return $ret_val; |
88
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} |
89
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1
|
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|
180
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} |
90
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|
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} |
91
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92
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# syswrite FILEHANDLE,SCALAR,LENGTH,OFFSET |
93
|
|
|
|
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|
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BEGIN { |
94
|
5
|
|
|
5
|
|
35
|
my $osname = $Config{osname}; |
95
|
5
|
100
|
33
|
|
|
228
|
if ( $ENV{PERL_IO_SOCKET_TIMEOUT_FORCE_SELECT} || |
|
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|
33
|
|
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|
66
|
|
|
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|
96
|
|
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|
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|
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$osname ne 'darwin' && $osname ne 'linux' && $osname ne 'freebsd' |
97
|
|
|
|
|
|
|
) { |
98
|
|
|
|
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|
|
# this variable avoids infinite recursion, because |
99
|
|
|
|
|
|
|
# PerlIO::via::Timeout->WRITE calls syswrite. |
100
|
1
|
|
|
|
|
2
|
my $_prevent_deep_recursion; |
101
|
|
|
|
|
|
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*CORE::GLOBAL::syswrite = sub { |
102
|
12
|
|
|
|
|
11657
|
my $args_count = scalar(@_); |
103
|
12
|
0
|
66
|
|
|
456
|
$_prevent_deep_recursion |
|
|
50
|
66
|
|
|
|
|
|
|
50
|
|
|
|
|
|
104
|
|
|
|
|
|
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|| ! PerlIO::via::Timeout::has_timeout_layer($_[0]) |
105
|
|
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|
|
|
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|| ! PerlIO::via::Timeout::timeout_enabled($_[0]) |
106
|
|
|
|
|
|
|
and return( $args_count == 4 ? CORE::syswrite($_[0], $_[1], $_[2], $_[3]) |
107
|
|
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|
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|
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: $args_count == 3 ? CORE::syswrite($_[0], $_[1], $_[2]) |
108
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|
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|
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|
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: CORE::syswrite($_[0], $_[1]) |
109
|
|
|
|
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|
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); |
110
|
6
|
|
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|
244
|
$_prevent_deep_recursion = 1; |
111
|
6
|
|
|
|
|
67
|
my $ret_val = PerlIO::via::Timeout->WRITE($_[1], $_[0]); |
112
|
6
|
|
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|
|
61
|
$_prevent_deep_recursion = 0; |
113
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6
|
|
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18
|
return $ret_val; |
114
|
|
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|
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} |
115
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1
|
|
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|
42
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} |
116
|
|
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} |
117
|
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118
|
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|
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package IO::Socket::Timeout::Role::SetSockOpt; |
119
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$IO::Socket::Timeout::Role::SetSockOpt::VERSION = '0.32'; |
120
|
5
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5
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25
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use Carp; |
|
5
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11
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|
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5
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|
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|
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621
|
|
121
|
5
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|
5
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|
2572
|
use Socket; |
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5
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14074
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5
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6222
|
|
122
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123
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|
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|
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sub _check_attributes { |
124
|
7
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|
|
38
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|
21
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my ($self) = @_; |
125
|
7
|
50
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|
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|
45
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grep { $_ < 0 } grep { defined } map { ${*$self}{$_} } qw(ReadTimeout WriteTimeout) |
|
10
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74
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14
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45
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14
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29
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14
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78
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126
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and croak "if defined, 'ReadTimeout' and 'WriteTimeout' attributes should be >= 0"; |
127
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} |
128
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129
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|
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sub read_timeout { |
130
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4
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16
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107
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my ($self) = @_; |
131
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4
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50
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40
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@_ > 1 and ${*$self}{ReadTimeout} = $_[1], $self->_check_attributes, $self->_set_sock_opt; |
|
4
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|
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73
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132
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4
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15
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${*$self}{ReadTimeout} |
133
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4
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37
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} |
134
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|
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135
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|
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|
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sub write_timeout { |
136
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3
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|
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3
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|
36
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my ($self) = @_; |
137
|
3
|
50
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14
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@_ > 1 and ${*$self}{WriteTimeout} = $_[1], $self->_check_attributes, $self->_set_sock_opt; |
|
3
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|
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26
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|
138
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3
|
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14
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${*$self}{WriteTimeout} |
139
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3
|
|
|
|
|
25
|
} |
140
|
|
|
|
|
|
|
|
141
|
5
|
|
|
5
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|
67
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sub enable_timeout { $_[0]->timeout_enabled(1) } |
142
|
0
|
|
|
0
|
|
0
|
sub disable_timeout { $_[0]->timeout_enabled(0) } |
143
|
|
|
|
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|
|
sub timeout_enabled { |
144
|
5
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|
|
5
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|
14
|
my ($self) = @_; |
145
|
5
|
50
|
|
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|
30
|
@_ > 1 and ${*$self}{TimeoutEnabled} = !!$_[1], $self->_set_sock_opt; |
|
5
|
|
|
|
|
111
|
|
146
|
5
|
|
|
|
|
15
|
${*$self}{TimeoutEnabled} |
147
|
5
|
|
|
|
|
70
|
} |
148
|
|
|
|
|
|
|
|
149
|
|
|
|
|
|
|
sub _set_sock_opt { |
150
|
12
|
|
|
12
|
|
23
|
my ($self) = @_; |
151
|
12
|
|
|
|
|
130
|
my $read_seconds; |
152
|
|
|
|
|
|
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my $read_useconds; |
153
|
0
|
|
|
|
|
0
|
my $write_seconds; |
154
|
0
|
|
|
|
|
0
|
my $write_useconds; |
155
|
12
|
50
|
|
|
|
20
|
if (${*$self}{TimeoutEnabled}) { |
|
12
|
|
|
|
|
47
|
|
156
|
12
|
|
100
|
|
|
15
|
my $read_timeout = ${*$self}{ReadTimeout} || 0; |
157
|
12
|
|
|
|
|
29
|
$read_seconds = int( $read_timeout ); |
158
|
12
|
|
|
|
|
31
|
$read_useconds = int( 1_000_000 * ( $read_timeout - $read_seconds )); |
159
|
12
|
|
100
|
|
|
18
|
my $write_timeout = ${*$self}{WriteTimeout} || 0; |
160
|
12
|
|
|
|
|
19
|
$write_seconds = int( $write_timeout ); |
161
|
12
|
|
|
|
|
29
|
$write_useconds = int( 1_000_000 * ( $write_timeout - $write_seconds )); |
162
|
|
|
|
|
|
|
} else { |
163
|
0
|
|
|
|
|
0
|
$read_seconds = 0; $read_useconds = 0; |
|
0
|
|
|
|
|
0
|
|
164
|
0
|
|
|
|
|
0
|
$write_seconds = 0; $write_useconds = 0; |
|
0
|
|
|
|
|
0
|
|
165
|
|
|
|
|
|
|
} |
166
|
12
|
|
|
|
|
85
|
my $read_struct = pack( 'l!l!', $read_seconds, $read_useconds ); |
167
|
12
|
|
|
|
|
36
|
my $write_struct = pack( 'l!l!', $write_seconds, $write_useconds ); |
168
|
|
|
|
|
|
|
|
169
|
12
|
50
|
|
|
|
97
|
$self->setsockopt( SOL_SOCKET, SO_RCVTIMEO, $read_struct ) |
170
|
|
|
|
|
|
|
or croak "setsockopt(SO_RCVTIMEO): $!"; |
171
|
|
|
|
|
|
|
|
172
|
12
|
50
|
|
|
|
195
|
$self->setsockopt( SOL_SOCKET, SO_SNDTIMEO, $write_struct ) |
173
|
|
|
|
|
|
|
or croak "setsockopt(SO_SNDTIMEO): $!"; |
174
|
|
|
|
|
|
|
} |
175
|
|
|
|
|
|
|
|
176
|
|
|
|
|
|
|
package IO::Socket::Timeout::Role::PerlIO; |
177
|
|
|
|
|
|
|
$IO::Socket::Timeout::Role::PerlIO::VERSION = '0.32'; |
178
|
5
|
|
|
5
|
|
4042
|
use PerlIO::via::Timeout; |
|
5
|
|
|
|
|
25106
|
|
|
5
|
|
|
|
|
683
|
|
179
|
|
|
|
|
|
|
|
180
|
2
|
|
|
2
|
|
114
|
sub read_timeout { goto &PerlIO::via::Timeout::read_timeout } |
181
|
0
|
|
|
0
|
|
0
|
sub write_timeout { goto &PerlIO::via::Timeout::write_timeout } |
182
|
3
|
|
|
3
|
|
119
|
sub enable_timeout { goto &PerlIO::via::Timeout::enable_timeout } |
183
|
0
|
|
|
0
|
|
0
|
sub disable_timeout { goto &PerlIO::via::Timeout::disable_timeout } |
184
|
0
|
|
|
0
|
|
0
|
sub timeout_enabled { goto &PerlIO::via::Timeout::timeout_enabled } |
185
|
|
|
|
|
|
|
|
186
|
|
|
|
|
|
|
1; |
187
|
|
|
|
|
|
|
|
188
|
|
|
|
|
|
|
__END__ |