line |
stmt |
bran |
cond |
sub |
pod |
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code |
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package POE::Component::Server::POP3; |
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3
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274630
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use strict; |
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5
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2
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91
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4
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2
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2
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11
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use warnings; |
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2
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74
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5
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2
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2
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925
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use POE qw(Wheel::SocketFactory Wheel::ReadWrite Filter::Line); |
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65254
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2
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18
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6
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2
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174264
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use base qw(POE::Component::Pluggable); |
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6
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2
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2463
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14859
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use POE::Component::Pluggable::Constants qw(:ALL); |
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8
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2
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306
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8
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2
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2
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15
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use Socket; |
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4
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2
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1697
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2
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2
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26
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use vars qw($VERSION); |
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4
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2
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6025
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10
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11
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$VERSION = '0.10'; |
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13
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sub spawn { |
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1
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1
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1
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618
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my $package = shift; |
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1
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15
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my %opts = @_; |
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1
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12
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$opts{lc $_} = delete $opts{$_} for keys %opts; |
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1
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5
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my $options = delete $opts{options}; |
18
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1
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50
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8
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$opts{version} = join('-', __PACKAGE__, $VERSION ) unless $opts{version}; |
19
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1
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50
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33
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9
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$opts{handle_connects} = 1 unless defined $opts{handle_connects} and !$opts{handle_connects}; |
20
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1
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50
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6
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$opts{hostname} = 'localhost' unless defined $opts{hostname}; |
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1
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4
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my $self = bless \%opts, $package; |
22
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1
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15
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$self->_pluggable_init( prefix => 'pop3d_', types => [ 'POP3D', 'POP3C' ], debug => 1 ); |
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1
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50
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119
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$self->{session_id} = POE::Session->create( |
24
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object_states => [ |
25
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$self => { shutdown => '_shutdown', |
26
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send_event => '__send_event', |
27
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send_to_client => '_send_to_client', |
28
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disconnect => '_disconnect', |
29
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}, |
30
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$self => [ qw(_start register unregister _accept_client _accept_failed _conn_input _conn_error _conn_flushed _conn_alarm _send_to_client __send_event _disconnect) ], |
31
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], |
32
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heap => $self, |
33
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( ref($options) eq 'HASH' ? ( options => $options ) : () ), |
34
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)->ID(); |
35
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1
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132
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return $self; |
36
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} |
37
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38
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sub session_id { |
39
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1
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1
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1
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5
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return $_[0]->{session_id}; |
40
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} |
41
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42
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sub getsockname { |
43
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1
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50
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1
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1
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1192
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return unless $_[0]->{listener}; |
44
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1
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7
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return $_[0]->{listener}->getsockname(); |
45
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} |
46
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47
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sub _conn_exists { |
48
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8
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8
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14
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my ($self,$wheel_id) = @_; |
49
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8
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50
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33
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50
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return 0 unless $wheel_id and defined $self->{clients}->{ $wheel_id }; |
50
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8
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27
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return 1; |
51
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} |
52
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53
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sub _valid_cmd { |
54
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2
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2
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3
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my $self = shift; |
55
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2
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50
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6
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my $cmd = shift || return; |
56
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2
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5
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$cmd = lc $cmd; |
57
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2
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100
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3
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return 0 unless grep { $_ eq $cmd } @{ $self->{cmds} }; |
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24
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58
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2
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11
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58
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1
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4
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return 1; |
59
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} |
60
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61
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sub shutdown { |
62
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1
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1
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1
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1600
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my $self = shift; |
63
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1
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5
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$poe_kernel->post( $self->{session_id}, 'shutdown' ); |
64
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} |
65
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66
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sub _start { |
67
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1
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1
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372
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my ($kernel,$self,$sender) = @_[KERNEL,OBJECT,SENDER]; |
68
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1
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6
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$self->{session_id} = $_[SESSION]->ID(); |
69
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1
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50
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7
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if ( $self->{alias} ) { |
70
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0
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0
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$kernel->alias_set( $self->{alias} ); |
71
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} |
72
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else { |
73
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1
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6
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$kernel->refcount_increment( $self->{session_id} => __PACKAGE__ ); |
74
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} |
75
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1
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50
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40
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if ( $kernel != $sender ) { |
76
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1
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4
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my $sender_id = $sender->ID; |
77
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1
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8
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$self->{events}->{'pop3d_all'}->{$sender_id} = $sender_id; |
78
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1
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3
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$self->{sessions}->{$sender_id}->{'ref'} = $sender_id; |
79
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1
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3
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$kernel->refcount_increment($sender_id, __PACKAGE__); |
80
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1
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26
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$kernel->post( $sender, 'pop3d_registered', $self ); |
81
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1
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142
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$kernel->detach_myself(); |
82
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} |
83
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84
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1
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118
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$self->{filter} = POE::Filter::Line->new( Literal => "\015\012" ); |
85
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86
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1
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60
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$self->{cmds} = [ qw(stat list retr dele noop rset top uidl user pass apop quit) ]; |
87
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88
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1
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50
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25
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$self->{listener} = POE::Wheel::SocketFactory->new( |
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50
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89
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( defined $self->{address} ? ( BindAddress => $self->{address} ) : () ), |
90
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( defined $self->{port} ? ( BindPort => $self->{port} ) : ( BindPort => 110 ) ), |
91
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SuccessEvent => '_accept_client', |
92
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FailureEvent => '_accept_failed', |
93
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SocketDomain => AF_INET, # Sets the socket() domain |
94
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SocketType => SOCK_STREAM, # Sets the socket() type |
95
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SocketProtocol => 'tcp', # Sets the socket() protocol |
96
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Reuse => 'on', # Lets the port be reused |
97
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); |
98
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99
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1
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1489
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return; |
100
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} |
101
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102
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sub _accept_client { |
103
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1
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1
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1135
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my ($kernel,$self,$socket,$peeraddr,$peerport) = @_[KERNEL,OBJECT,ARG0..ARG2]; |
104
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1
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20
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my $sockaddr = inet_ntoa( ( unpack_sockaddr_in ( CORE::getsockname $socket ) )[1] ); |
105
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1
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8
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my $sockport = ( unpack_sockaddr_in ( CORE::getsockname $socket ) )[0]; |
106
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1
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7
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$peeraddr = inet_ntoa( $peeraddr ); |
107
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108
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1
|
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14
|
my $wheel = POE::Wheel::ReadWrite->new( |
109
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Handle => $socket, |
110
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Filter => $self->{filter}, |
111
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InputEvent => '_conn_input', |
112
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ErrorEvent => '_conn_error', |
113
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FlushedEvent => '_conn_flushed', |
114
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); |
115
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116
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1
|
50
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358
|
return unless $wheel; |
117
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118
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1
|
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6
|
my $id = $wheel->ID(); |
119
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1
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46
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$self->{clients}->{ $id } = |
120
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|
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{ |
121
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wheel => $wheel, |
122
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peeraddr => $peeraddr, |
123
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peerport => $peerport, |
124
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sockaddr => $sockaddr, |
125
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sockport => $sockport, |
126
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}; |
127
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1
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6
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$self->_send_event( 'pop3d_connection', $id, $peeraddr, $peerport, $sockaddr, $sockport ); |
128
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129
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1
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50
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11
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$self->{clients}->{ $id }->{alarm} = $kernel->delay_set( '_conn_alarm', $self->{time_out} || 300, $id ); |
130
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1
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|
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77
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return; |
131
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|
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} |
132
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|
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133
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sub _accept_failed { |
134
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0
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|
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0
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0
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my ($kernel,$self,$operation,$errnum,$errstr,$wheel_id) = @_[KERNEL,OBJECT,ARG0..ARG3]; |
135
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0
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|
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|
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0
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warn "Wheel $wheel_id generated $operation error $errnum: $errstr\n"; |
136
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0
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|
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0
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delete $self->{listener}; |
137
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0
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|
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0
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$self->_send_event( 'pop3d_listener_failed', $operation, $errnum, $errstr ); |
138
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0
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0
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return; |
139
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|
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} |
140
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|
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141
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sub _conn_input { |
142
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2
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2
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2318
|
my ($kernel,$self,$input,$id) = @_[KERNEL,OBJECT,ARG0,ARG1]; |
143
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2
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50
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|
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6
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return unless $self->_conn_exists( $id ); |
144
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2
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50
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19
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$kernel->delay_adjust( $self->{clients}->{ $id }->{alarm}, $self->{time_out} || 300 ); |
145
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2
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|
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175
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$input =~ s/^\s+//g; |
146
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2
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6
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$input =~ s/\s+$//g; |
147
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2
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|
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|
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6
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my @args = split /\s+/, $input, 2; |
148
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2
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|
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|
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6
|
my $cmd = shift @args; |
149
|
2
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50
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5
|
return unless $cmd; |
150
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2
|
100
|
|
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|
9
|
unless ( $self->_valid_cmd( $cmd ) ) { |
151
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1
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3
|
$self->send_to_client( $id, '-ERR' ); |
152
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1
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|
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9
|
return; |
153
|
|
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|
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} |
154
|
1
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|
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3
|
$cmd = lc $cmd; |
155
|
1
|
50
|
|
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6
|
$self->{clients}->{ $id }->{quit} = 1 if $cmd eq 'quit'; |
156
|
1
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|
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|
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7
|
$self->_send_event( 'pop3d_cmd_' . $cmd, $id, @args ); |
157
|
1
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|
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4
|
return; |
158
|
|
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|
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|
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} |
159
|
|
|
|
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|
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160
|
|
|
|
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|
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sub _conn_error { |
161
|
0
|
|
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0
|
|
0
|
my ($self,$errstr,$id) = @_[OBJECT,ARG2,ARG3]; |
162
|
0
|
0
|
|
|
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0
|
return unless $self->_conn_exists( $id ); |
163
|
0
|
|
|
|
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0
|
delete $self->{clients}->{ $id }; |
164
|
0
|
|
|
|
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0
|
$self->_send_event( 'pop3d_disconnected', $id ); |
165
|
0
|
|
|
|
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0
|
return; |
166
|
|
|
|
|
|
|
} |
167
|
|
|
|
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168
|
|
|
|
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|
|
sub _conn_flushed { |
169
|
3
|
|
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3
|
|
1975
|
my ($self,$id) = @_[OBJECT,ARG0]; |
170
|
3
|
50
|
|
|
|
9
|
return unless $self->_conn_exists( $id ); |
171
|
3
|
100
|
|
|
|
16
|
return unless $self->{clients}->{ $id }->{quit}; |
172
|
1
|
|
|
|
|
14
|
delete $self->{clients}->{ $id }; |
173
|
1
|
|
|
|
|
376
|
$self->_send_event( 'pop3d_disconnected', $id ); |
174
|
1
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|
|
|
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3
|
return; |
175
|
|
|
|
|
|
|
} |
176
|
|
|
|
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|
|
177
|
|
|
|
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|
|
sub _conn_alarm { |
178
|
0
|
|
|
0
|
|
0
|
my ($kernel,$self,$id) = @_[KERNEL,OBJECT,ARG0]; |
179
|
0
|
0
|
|
|
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0
|
return unless $self->_conn_exists( $id ); |
180
|
0
|
|
|
|
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0
|
delete $self->{clients}->{ $id }; |
181
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0
|
|
|
|
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0
|
$self->_send_event( 'pop3d_disconnected', $id ); |
182
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0
|
|
|
|
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0
|
return; |
183
|
|
|
|
|
|
|
} |
184
|
|
|
|
|
|
|
|
185
|
|
|
|
|
|
|
sub _shutdown { |
186
|
1
|
|
|
1
|
|
283
|
my ($kernel,$self) = @_[KERNEL,OBJECT]; |
187
|
1
|
|
|
|
|
7
|
delete $self->{listener}; |
188
|
1
|
|
|
|
|
184
|
delete $self->{clients}; |
189
|
1
|
|
|
|
|
5
|
$kernel->alarm_remove_all(); |
190
|
1
|
|
|
|
|
85
|
$kernel->alias_remove( $_ ) for $kernel->alias_list(); |
191
|
1
|
50
|
|
|
|
39
|
$kernel->refcount_decrement( $self->{session_id} => __PACKAGE__ ) unless $self->{alias}; |
192
|
1
|
|
|
|
|
57
|
$self->_pluggable_destroy(); |
193
|
1
|
|
|
|
|
33
|
$self->_unregister_sessions(); |
194
|
1
|
|
|
|
|
38
|
return; |
195
|
|
|
|
|
|
|
} |
196
|
|
|
|
|
|
|
|
197
|
|
|
|
|
|
|
sub register { |
198
|
0
|
|
|
0
|
1
|
0
|
my ($kernel, $self, $session, $sender, @events) = |
199
|
|
|
|
|
|
|
@_[KERNEL, OBJECT, SESSION, SENDER, ARG0 .. $#_]; |
200
|
|
|
|
|
|
|
|
201
|
0
|
0
|
|
|
|
0
|
unless (@events) { |
202
|
0
|
|
|
|
|
0
|
warn "register: Not enough arguments"; |
203
|
0
|
|
|
|
|
0
|
return; |
204
|
|
|
|
|
|
|
} |
205
|
|
|
|
|
|
|
|
206
|
0
|
|
|
|
|
0
|
my $sender_id = $sender->ID(); |
207
|
|
|
|
|
|
|
|
208
|
0
|
|
|
|
|
0
|
foreach (@events) { |
209
|
0
|
0
|
|
|
|
0
|
$_ = "pop3d_" . $_ unless /^_/; |
210
|
0
|
|
|
|
|
0
|
$self->{events}->{$_}->{$sender_id} = $sender_id; |
211
|
0
|
|
|
|
|
0
|
$self->{sessions}->{$sender_id}->{'ref'} = $sender_id; |
212
|
0
|
0
|
0
|
|
|
0
|
unless ($self->{sessions}->{$sender_id}->{refcnt}++ or $session == $sender) { |
213
|
0
|
|
|
|
|
0
|
$kernel->refcount_increment($sender_id, __PACKAGE__); |
214
|
|
|
|
|
|
|
} |
215
|
|
|
|
|
|
|
} |
216
|
|
|
|
|
|
|
|
217
|
0
|
|
|
|
|
0
|
$kernel->post( $sender, 'pop3d_registered', $self ); |
218
|
0
|
|
|
|
|
0
|
return; |
219
|
|
|
|
|
|
|
} |
220
|
|
|
|
|
|
|
|
221
|
|
|
|
|
|
|
sub unregister { |
222
|
0
|
|
|
0
|
1
|
0
|
my ($kernel, $self, $session, $sender, @events) = |
223
|
|
|
|
|
|
|
@_[KERNEL, OBJECT, SESSION, SENDER, ARG0 .. $#_]; |
224
|
|
|
|
|
|
|
|
225
|
0
|
0
|
|
|
|
0
|
unless (@events) { |
226
|
0
|
|
|
|
|
0
|
warn "unregister: Not enough arguments"; |
227
|
0
|
|
|
|
|
0
|
return; |
228
|
|
|
|
|
|
|
} |
229
|
|
|
|
|
|
|
|
230
|
0
|
|
|
|
|
0
|
$self->_unregister($session,$sender,@events); |
231
|
0
|
|
|
|
|
0
|
undef; |
232
|
|
|
|
|
|
|
} |
233
|
|
|
|
|
|
|
|
234
|
|
|
|
|
|
|
sub _unregister { |
235
|
0
|
|
|
0
|
|
0
|
my ($self,$session,$sender) = splice @_,0,3; |
236
|
0
|
|
|
|
|
0
|
my $sender_id = $sender->ID(); |
237
|
|
|
|
|
|
|
|
238
|
0
|
|
|
|
|
0
|
foreach (@_) { |
239
|
0
|
0
|
|
|
|
0
|
$_ = "pop3d_" . $_ unless /^_/; |
240
|
0
|
|
|
|
|
0
|
my $blah = delete $self->{events}->{$_}->{$sender_id}; |
241
|
0
|
0
|
|
|
|
0
|
unless ( $blah ) { |
242
|
0
|
|
|
|
|
0
|
warn "$sender_id hasn't registered for '$_' events\n"; |
243
|
0
|
|
|
|
|
0
|
next; |
244
|
|
|
|
|
|
|
} |
245
|
0
|
0
|
|
|
|
0
|
if (--$self->{sessions}->{$sender_id}->{refcnt} <= 0) { |
246
|
0
|
|
|
|
|
0
|
delete $self->{sessions}->{$sender_id}; |
247
|
0
|
0
|
|
|
|
0
|
unless ($session == $sender) { |
248
|
0
|
|
|
|
|
0
|
$poe_kernel->refcount_decrement($sender_id, __PACKAGE__); |
249
|
|
|
|
|
|
|
} |
250
|
|
|
|
|
|
|
} |
251
|
|
|
|
|
|
|
} |
252
|
0
|
|
|
|
|
0
|
undef; |
253
|
|
|
|
|
|
|
} |
254
|
|
|
|
|
|
|
|
255
|
|
|
|
|
|
|
sub _unregister_sessions { |
256
|
1
|
|
|
1
|
|
2
|
my $self = shift; |
257
|
1
|
|
|
|
|
5
|
my $pop3d_id = $self->session_id(); |
258
|
1
|
|
|
|
|
2
|
foreach my $session_id ( keys %{ $self->{sessions} } ) { |
|
1
|
|
|
|
|
4
|
|
259
|
1
|
50
|
|
|
|
7
|
if (--$self->{sessions}->{$session_id}->{refcnt} <= 0) { |
260
|
1
|
|
|
|
|
3
|
delete $self->{sessions}->{$session_id}; |
261
|
1
|
50
|
|
|
|
7
|
$poe_kernel->refcount_decrement($session_id, __PACKAGE__) |
262
|
|
|
|
|
|
|
unless ( $session_id eq $pop3d_id ); |
263
|
|
|
|
|
|
|
} |
264
|
|
|
|
|
|
|
} |
265
|
|
|
|
|
|
|
} |
266
|
|
|
|
|
|
|
|
267
|
|
|
|
|
|
|
sub __send_event { |
268
|
0
|
|
|
0
|
|
0
|
my( $self, $event, @args ) = @_[ OBJECT, ARG0, ARG1 .. $#_ ]; |
269
|
0
|
|
|
|
|
0
|
$self->_send_event( $event, @args ); |
270
|
0
|
|
|
|
|
0
|
return; |
271
|
|
|
|
|
|
|
} |
272
|
|
|
|
|
|
|
|
273
|
|
|
|
|
|
|
sub _pluggable_event { |
274
|
0
|
|
|
0
|
|
0
|
my $self = shift; |
275
|
0
|
|
|
|
|
0
|
$poe_kernel->post( $self->{session_id}, '__send_event', @_ ); |
276
|
|
|
|
|
|
|
} |
277
|
|
|
|
|
|
|
|
278
|
|
|
|
|
|
|
sub send_event { |
279
|
0
|
|
|
0
|
1
|
0
|
my $self = shift; |
280
|
0
|
|
|
|
|
0
|
$poe_kernel->post( $self->{session_id}, '__send_event', @_ ); |
281
|
|
|
|
|
|
|
} |
282
|
|
|
|
|
|
|
|
283
|
|
|
|
|
|
|
sub _send_event { |
284
|
3
|
|
|
3
|
|
7
|
my $self = shift; |
285
|
3
|
|
|
|
|
8
|
my ($event, @args) = @_; |
286
|
3
|
|
|
|
|
6
|
my $kernel = $POE::Kernel::poe_kernel; |
287
|
3
|
|
|
|
|
14
|
my $session = $kernel->get_active_session()->ID(); |
288
|
3
|
|
|
|
|
21
|
my %sessions; |
289
|
|
|
|
|
|
|
|
290
|
|
|
|
|
|
|
my @extra_args; |
291
|
|
|
|
|
|
|
|
292
|
3
|
50
|
|
|
|
21
|
return 1 if $self->_pluggable_process( 'POP3D', $event, \( @args ), \@extra_args ) == PLUGIN_EAT_ALL; |
293
|
|
|
|
|
|
|
|
294
|
3
|
50
|
|
|
|
148
|
push @args, @extra_args if scalar @extra_args; |
295
|
|
|
|
|
|
|
|
296
|
3
|
|
|
|
|
6
|
$sessions{$_} = $_ for (values %{$self->{events}->{'pop3d_all'}}, values %{$self->{events}->{$event}}); |
|
3
|
|
|
|
|
9
|
|
|
3
|
|
|
|
|
24
|
|
297
|
|
|
|
|
|
|
|
298
|
3
|
|
|
|
|
18
|
$kernel->post( $_ => $event => @args ) for values %sessions; |
299
|
3
|
|
|
|
|
313
|
undef; |
300
|
|
|
|
|
|
|
} |
301
|
|
|
|
|
|
|
|
302
|
|
|
|
|
|
|
sub disconnect { |
303
|
0
|
|
|
0
|
1
|
0
|
my $self = shift; |
304
|
0
|
|
|
|
|
0
|
$poe_kernel->call( $self->{session_id}, '_disconnect', @_ ); |
305
|
|
|
|
|
|
|
} |
306
|
|
|
|
|
|
|
|
307
|
|
|
|
|
|
|
sub _disconnect { |
308
|
0
|
|
|
0
|
|
0
|
my ($kernel,$self,$id) = @_[KERNEL,OBJECT,ARG0]; |
309
|
0
|
0
|
|
|
|
0
|
return unless $self->_conn_exists( $id ); |
310
|
0
|
|
|
|
|
0
|
$self->{clients}->{ $id }->{quit} = 1; |
311
|
0
|
|
|
|
|
0
|
return 1; |
312
|
|
|
|
|
|
|
} |
313
|
|
|
|
|
|
|
|
314
|
|
|
|
|
|
|
sub send_to_client { |
315
|
3
|
|
|
3
|
1
|
435
|
my $self = shift; |
316
|
3
|
|
|
|
|
18
|
$poe_kernel->call( $self->{session_id}, '_send_to_client', @_ ); |
317
|
|
|
|
|
|
|
} |
318
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
sub _send_to_client { |
320
|
3
|
|
|
3
|
|
147
|
my ($kernel,$self,$id,$output) = @_[KERNEL,OBJECT,ARG0..ARG1]; |
321
|
3
|
50
|
|
|
|
11
|
return unless $self->_conn_exists( $id ); |
322
|
3
|
50
|
|
|
|
9
|
return unless defined $output; |
323
|
|
|
|
|
|
|
|
324
|
3
|
50
|
|
|
|
25
|
return 1 if $self->_pluggable_process( 'POP3C', 'response', $id, \$output ) == PLUGIN_EAT_ALL; |
325
|
|
|
|
|
|
|
|
326
|
3
|
|
|
|
|
149
|
$self->{clients}->{ $id }->{wheel}->put($output); |
327
|
3
|
|
|
|
|
236
|
return 1; |
328
|
|
|
|
|
|
|
} |
329
|
|
|
|
|
|
|
|
330
|
|
|
|
|
|
|
sub POP3D_connection { |
331
|
1
|
|
|
1
|
0
|
111
|
my ($self,$pop3d) = splice @_, 0, 2; |
332
|
1
|
|
|
|
|
2
|
my $id = ${ $_[0] }; |
|
1
|
|
|
|
|
10
|
|
333
|
1
|
50
|
|
|
|
5
|
return PLUGIN_EAT_NONE unless $self->{handle_connects}; |
334
|
1
|
|
|
|
|
8
|
$self->send_to_client( $id, join ' ', '+OK POP3', $self->{hostname}, $self->{version}, 'server ready' ); |
335
|
1
|
|
|
|
|
8
|
return PLUGIN_EAT_NONE; |
336
|
|
|
|
|
|
|
} |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
'poppet'; |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
__END__ |