line |
stmt |
bran |
cond |
sub |
pod |
time |
code |
1
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package XAS::Lib::Net::Server; |
2
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3
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our $VERSION = '0.05'; |
4
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5
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1
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1
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4
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use POE; |
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1
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1
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1
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4
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6
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1
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1
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254
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use Try::Tiny; |
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1
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1
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1
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43
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7
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1
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1
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4
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use Socket ':all'; |
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1
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1
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1
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789
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8
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1
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1
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427
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use POE::Filter::Line; |
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1
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1810
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1
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21
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9
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1
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1
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557
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use POE::Wheel::ReadWrite; |
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1
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4262
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1
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21
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10
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1
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1
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523
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use POE::Wheel::SocketFactory; |
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1
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4145
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1
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68
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11
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12
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use XAS::Class |
13
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1
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14
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debug => 0, |
14
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version => $VERSION, |
15
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base => 'XAS::Lib::POE::Service', |
16
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mixin => 'XAS::Lib::Mixins::Handlers', |
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utils => ':validation weaken params', |
18
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accessors => 'session clients', |
19
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constants => 'ARRAY', |
20
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vars => { |
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PARAMS => { |
22
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-port => 1, |
23
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-tcp_keepalive => { optional => 1, default => 0 }, |
24
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-inactivity_timer => { optional => 1, default => 600 }, |
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-filter => { optional => 1, default => undef }, |
26
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-address => { optional => 1, default => 'localhost' }, |
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-eol => { optional => 1, default => "\015\012" }, |
28
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} |
29
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} |
30
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1
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1
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4
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; |
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1
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1
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31
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32
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#use Data::Dumper; |
33
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34
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# ---------------------------------------------------------------------- |
35
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# Public Methods |
36
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# ---------------------------------------------------------------------- |
37
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38
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sub session_initialize { |
39
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0
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0
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1
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my $self = shift; |
40
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41
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0
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my $alias = $self->alias; |
42
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43
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0
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$self->log->debug("$alias: entering session_intialize()"); |
44
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45
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# private events |
46
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47
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0
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$poe_kernel->state('client_error', $self, '_client_error'); |
48
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0
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$poe_kernel->state('client_input', $self, '_client_input'); |
49
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0
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$poe_kernel->state('client_reaper', $self, '_client_reaper'); |
50
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0
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$poe_kernel->state('client_output', $self, '_client_output'); |
51
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0
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$poe_kernel->state('client_flushed', $self, '_client_flushed'); |
52
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0
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$poe_kernel->state('client_connected', $self, '_client_connected'); |
53
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0
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$poe_kernel->state('client_connection', $self, '_client_connection'); |
54
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0
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$poe_kernel->state('client_connection_failed', $self, '_client_connection_failed'); |
55
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56
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0
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$poe_kernel->state('handle_connection', $self, '_handle_connection'); |
57
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58
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# walk the chain |
59
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60
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0
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$self->SUPER::session_initialize(); |
61
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62
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0
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$self->log->debug("$alias: leaving session_intialize()"); |
63
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64
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} |
65
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66
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sub session_startup { |
67
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0
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0
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1
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my $self = shift; |
68
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69
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0
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my $alias = $self->alias; |
70
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71
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0
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$self->log->debug("$alias: entering session_startup()"); |
72
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73
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0
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$poe_kernel->call($alias, 'client_connection'); |
74
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75
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# walk the chain |
76
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77
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0
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$self->SUPER::session_startup(); |
78
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79
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0
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$self->log->debug("$alias: leaving session_startup()"); |
80
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81
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} |
82
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83
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sub session_shutdown { |
84
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0
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0
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1
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my $self = shift; |
85
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86
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0
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my $alias = $self->alias; |
87
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0
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my @clients = keys %{$self->{'clients'}}; |
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0
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88
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89
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0
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$self->log->debug("$alias: entering session_shutdown()"); |
90
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91
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0
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foreach my $client (@clients) { |
92
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93
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0
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$poe_kernel->alarm_remove($self->clients->{$client}->{'watchdog'}); |
94
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0
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$client = undef; |
95
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96
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} |
97
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98
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0
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delete $self->{'listener'}; |
99
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100
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# walk the chain |
101
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102
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0
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$self->SUPER::session_shutdown(); |
103
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104
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0
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$self->log->debug("$alias: leaving session_shutdown()"); |
105
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106
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} |
107
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108
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sub session_pause { |
109
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0
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0
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1
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my $self = shift; |
110
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111
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0
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my $alias = $self->alias; |
112
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0
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my @clients = keys %{$self->{'clients'}}; |
|
0
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113
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114
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0
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$self->log->debug("$alias: entering session_pause()"); |
115
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116
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0
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foreach my $client (@clients) { |
117
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118
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0
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$client->pause_input(); |
119
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0
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$poe_kernel->alarm_remove($self->clients->{$client}->{'watchdog'}); |
120
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|
121
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} |
122
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123
|
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# walk the chain |
124
|
|
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|
125
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0
|
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$self->SUPER::session_pause(); |
126
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|
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|
127
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0
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$self->log->debug("$alias: leaving session_pause()"); |
128
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129
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} |
130
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131
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|
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sub session_resume { |
132
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0
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0
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1
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my $self = shift; |
133
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134
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0
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my $alias = $self->alias; |
135
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0
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my @clients = keys %{$self->{'clients'}}; |
|
0
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136
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0
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my $inactivity = $self->inactivity_timer; |
137
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|
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138
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0
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$self->log->debug("$alias: entering session_resume()"); |
139
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140
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0
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foreach my $client (@clients) { |
141
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|
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142
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0
|
|
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$client->resume_input(); |
143
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0
|
|
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|
$self->clients->{$client}->{'watchdog'} = $poe_kernel->alarm_set('client_reaper', $inactivity, $client); |
144
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145
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} |
146
|
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147
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# walk the chain |
148
|
|
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149
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0
|
|
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$self->SUPER::session_resume(); |
150
|
|
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151
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0
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$self->log->debug("$alias: leaving session_resume()"); |
152
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153
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} |
154
|
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155
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|
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sub reaper { |
156
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0
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|
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0
|
1
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|
my $self = shift; |
157
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0
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my ($wheel) = validate_params(\@_, [1]); |
158
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159
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0
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my $alias = $self->alias; |
160
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161
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0
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$self->log->debug_msg('net_client_reaper', $alias, $self->host($wheel), $self->peerport($wheel)); |
162
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163
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} |
164
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165
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sub process_request { |
166
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0
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|
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0
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1
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my $self = shift; |
167
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0
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my ($input, $ctx) = validate_params(\@_, [1,1]); |
168
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169
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0
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$self->process_response($input, $ctx); |
170
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171
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} |
172
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173
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|
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|
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sub process_response { |
174
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0
|
|
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0
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1
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|
my $self = shift; |
175
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0
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|
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|
my ($output, $ctx) = validate_params(\@_, [1,1]); |
176
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177
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0
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my $alias = $self->alias; |
178
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179
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0
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$poe_kernel->post($alias, 'client_output', $output, $ctx); |
180
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181
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} |
182
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183
|
|
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|
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sub process_errors { |
184
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0
|
|
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0
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1
|
|
my $self = shift; |
185
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0
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|
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|
my ($errors, $ctx) = validate_params(\@_, [1,1]); |
186
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187
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0
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$self->process_response($errors, $ctx); |
188
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189
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} |
190
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191
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sub handle_connection { |
192
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0
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0
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1
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|
my $self = shift; |
193
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0
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my ($wheel) = validate_params(\@_, [1]); |
194
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195
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} |
196
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197
|
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# ---------------------------------------------------------------------- |
198
|
|
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# Public Accessors |
199
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|
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# ---------------------------------------------------------------------- |
200
|
|
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|
201
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sub peerport { |
202
|
0
|
|
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0
|
1
|
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my $self = shift; |
203
|
0
|
|
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|
my ($wheel) = validate_params(\@_, [1]); |
204
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205
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0
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return $self->clients->{$wheel}->{'port'}; |
206
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207
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} |
208
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209
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|
sub peerhost { |
210
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0
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|
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0
|
0
|
|
my $self = shift; |
211
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0
|
|
|
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|
my ($wheel) = validate_params(\@_, [1]); |
212
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|
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213
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0
|
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|
return $self->clients->{$wheel}->{'host'}; |
214
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|
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215
|
|
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} |
216
|
|
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|
217
|
|
|
|
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|
|
sub client { |
218
|
0
|
|
|
0
|
1
|
|
my $self = shift; |
219
|
0
|
|
|
|
|
|
my ($wheel) = validate_params(\@_, [1]); |
220
|
|
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|
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221
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0
|
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|
return $self->clients->{$wheel}->{'client'}; |
222
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|
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|
|
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|
|
223
|
|
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|
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|
} |
224
|
|
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|
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|
225
|
|
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|
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|
|
# ---------------------------------------------------------------------- |
226
|
|
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|
|
|
|
# Public Events |
227
|
|
|
|
|
|
|
# ---------------------------------------------------------------------- |
228
|
|
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|
|
|
|
|
229
|
|
|
|
|
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|
# ---------------------------------------------------------------------- |
230
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|
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|
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|
# Private Events |
231
|
|
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|
|
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|
# ---------------------------------------------------------------------- |
232
|
|
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|
233
|
|
|
|
|
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|
sub _handle_connection { |
234
|
0
|
|
|
0
|
|
|
my ($self, $wheel) = @_[OBJECT, ARG0]; |
235
|
|
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|
236
|
0
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|
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|
|
|
my $alias = $self->alias; |
237
|
|
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|
|
|
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|
238
|
0
|
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|
$self->log->debug("$alias: _handle_connection()"); |
239
|
0
|
|
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|
|
$self->handle_connection($wheel); |
240
|
|
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241
|
|
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|
} |
242
|
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|
243
|
|
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|
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|
sub _client_connection { |
244
|
0
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|
|
0
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|
|
my ($self) = $_[OBJECT]; |
245
|
|
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|
|
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246
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0
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|
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|
my $alias = $self->alias; |
247
|
|
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|
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|
248
|
0
|
|
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|
$self->log->debug("$alias: _client_connection()"); |
249
|
|
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|
|
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|
250
|
|
|
|
|
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|
# start listening for connections |
251
|
|
|
|
|
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|
252
|
0
|
|
|
|
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|
$self->{'listener'} = POE::Wheel::SocketFactory->new( |
253
|
|
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|
|
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|
BindAddress => $self->address, |
254
|
|
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|
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|
BindPort => $self->port, |
255
|
|
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|
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SocketType => SOCK_STREAM, |
256
|
|
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|
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|
SocketDomain => AF_INET, |
257
|
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|
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SocketProtocol => 'tcp', |
258
|
|
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|
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|
|
Reuse => 1, |
259
|
|
|
|
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|
|
SuccessEvent => 'client_connected', |
260
|
|
|
|
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|
FailureEvent => 'client_connection_failed' |
261
|
|
|
|
|
|
|
); |
262
|
|
|
|
|
|
|
|
263
|
|
|
|
|
|
|
} |
264
|
|
|
|
|
|
|
|
265
|
|
|
|
|
|
|
sub _client_connected { |
266
|
0
|
|
|
0
|
|
|
my ($self, $socket, $peeraddr, $peerport, $wheel_id) = @_[OBJECT,ARG0..ARG3]; |
267
|
|
|
|
|
|
|
|
268
|
0
|
|
|
|
|
|
my $alias = $self->alias; |
269
|
0
|
|
|
|
|
|
my $inactivity = $self->inactivity_timer; |
270
|
|
|
|
|
|
|
|
271
|
0
|
|
|
|
|
|
$self->log->debug("$alias: _client_connected()"); |
272
|
|
|
|
|
|
|
|
273
|
0
|
|
|
|
|
|
my $client = POE::Wheel::ReadWrite->new( |
274
|
|
|
|
|
|
|
Handle => $socket, |
275
|
|
|
|
|
|
|
Filter => $self->filter, |
276
|
|
|
|
|
|
|
InputEvent => 'client_input', |
277
|
|
|
|
|
|
|
ErrorEvent => 'client_error', |
278
|
|
|
|
|
|
|
FlushedEvent => 'client_flushed', |
279
|
|
|
|
|
|
|
); |
280
|
|
|
|
|
|
|
|
281
|
0
|
|
|
|
|
|
my $wheel = $client->ID; |
282
|
0
|
|
|
|
|
|
my $host = gethostbyaddr($peeraddr, AF_INET); |
283
|
|
|
|
|
|
|
|
284
|
0
|
|
|
|
|
|
$self->{'clients'}->{$wheel}->{'host'} = $host; |
285
|
0
|
|
|
|
|
|
$self->{'clients'}->{$wheel}->{'port'} = $peerport; |
286
|
0
|
|
|
|
|
|
$self->{'clients'}->{$wheel}->{'client'} = $client; |
287
|
0
|
|
|
|
|
|
$self->{'clients'}->{$wheel}->{'active'} = time(); |
288
|
0
|
|
|
|
|
|
$self->{'clients'}->{$wheel}->{'socket'} = $socket; |
289
|
0
|
|
|
|
|
|
$self->{'clients'}->{$wheel}->{'watchdog'} = $poe_kernel->alarm_set('client_reaper', $inactivity, $wheel); |
290
|
|
|
|
|
|
|
|
291
|
0
|
|
|
|
|
|
$self->log->info_msg('net_client_connect', $alias, $host, $peerport); |
292
|
|
|
|
|
|
|
|
293
|
0
|
|
|
|
|
|
$poe_kernel->post($alias, 'handle_connection', $wheel); |
294
|
|
|
|
|
|
|
|
295
|
|
|
|
|
|
|
} |
296
|
|
|
|
|
|
|
|
297
|
|
|
|
|
|
|
sub _client_connection_failed { |
298
|
0
|
|
|
0
|
|
|
my ($self, $syscall, $errnum, $errstr, $wheel) = @_[OBJECT,ARG0..ARG3]; |
299
|
|
|
|
|
|
|
|
300
|
0
|
|
|
|
|
|
my $alias = $self->alias; |
301
|
|
|
|
|
|
|
|
302
|
0
|
|
|
|
|
|
$self->log->error_msg('net_client_connection_failed', $alias, $errnum, $errstr); |
303
|
|
|
|
|
|
|
|
304
|
0
|
|
|
|
|
|
delete $self->{'listener'}; |
305
|
|
|
|
|
|
|
|
306
|
|
|
|
|
|
|
} |
307
|
|
|
|
|
|
|
|
308
|
|
|
|
|
|
|
sub _client_input { |
309
|
0
|
|
|
0
|
|
|
my ($self, $input, $wheel) = @_[OBJECT,ARG0,ARG1]; |
310
|
|
|
|
|
|
|
|
311
|
0
|
|
|
|
|
|
my $alias = $self->alias; |
312
|
0
|
|
|
|
|
|
my $ctx = { |
313
|
|
|
|
|
|
|
wheel => $wheel |
314
|
|
|
|
|
|
|
}; |
315
|
|
|
|
|
|
|
|
316
|
0
|
|
|
|
|
|
$self->log->debug("$alias: _client_input()"); |
317
|
|
|
|
|
|
|
|
318
|
0
|
|
|
|
|
|
$self->{'clients'}->{$wheel}->{'active'} = time(); |
319
|
|
|
|
|
|
|
|
320
|
0
|
|
|
|
|
|
$self->process_request($input, $ctx); |
321
|
|
|
|
|
|
|
|
322
|
|
|
|
|
|
|
} |
323
|
|
|
|
|
|
|
|
324
|
|
|
|
|
|
|
sub _client_output { |
325
|
0
|
|
|
0
|
|
|
my ($self, $data, $ctx) = @_[OBJECT,ARG0,ARG1]; |
326
|
|
|
|
|
|
|
|
327
|
0
|
|
|
|
|
|
my $alias = $self->alias; |
328
|
0
|
|
|
|
|
|
my $wheel = $ctx->{'wheel'}; |
329
|
0
|
|
|
|
|
|
my @buffer; |
330
|
|
|
|
|
|
|
|
331
|
0
|
|
|
|
|
|
$self->log->debug("$alias: _client_output()"); |
332
|
|
|
|
|
|
|
|
333
|
|
|
|
|
|
|
try { |
334
|
|
|
|
|
|
|
|
335
|
0
|
0
|
0
|
0
|
|
|
if (defined($wheel) and defined($self->clients->{$wheel})) { |
336
|
|
|
|
|
|
|
|
337
|
|
|
|
|
|
|
# emulate IO::Socket connected() method. this method |
338
|
|
|
|
|
|
|
# calls getpeername(). getpeername() returns undef when |
339
|
|
|
|
|
|
|
# the network stack can't validate the socket. |
340
|
|
|
|
|
|
|
|
341
|
1
|
|
|
1
|
|
2119
|
no warnings; |
|
1
|
|
|
|
|
1
|
|
|
1
|
|
|
|
|
388
|
|
342
|
|
|
|
|
|
|
|
343
|
0
|
0
|
|
|
|
|
if (getpeername($self->clients->{$wheel}->{'socket'})) { |
344
|
|
|
|
|
|
|
|
345
|
0
|
|
|
|
|
|
push(@buffer, $data); |
346
|
0
|
|
|
|
|
|
$self->clients->{$wheel}->{'client'}->put(@buffer); |
347
|
|
|
|
|
|
|
|
348
|
|
|
|
|
|
|
} else { |
349
|
|
|
|
|
|
|
|
350
|
0
|
|
|
|
|
|
$self->log->error_msg( |
351
|
|
|
|
|
|
|
'net_client_nosocket', |
352
|
|
|
|
|
|
|
$alias, |
353
|
|
|
|
|
|
|
$self->peerhist($wheel), |
354
|
|
|
|
|
|
|
$self->peerport($wheel) |
355
|
|
|
|
|
|
|
); |
356
|
0
|
|
|
|
|
|
delete $self->clients->{$wheel}; |
357
|
|
|
|
|
|
|
|
358
|
|
|
|
|
|
|
} |
359
|
|
|
|
|
|
|
|
360
|
|
|
|
|
|
|
} else { |
361
|
|
|
|
|
|
|
|
362
|
0
|
|
|
|
|
|
$self->log->error_msg('net_client_nowheel', $alias); |
363
|
|
|
|
|
|
|
|
364
|
|
|
|
|
|
|
} |
365
|
|
|
|
|
|
|
|
366
|
|
|
|
|
|
|
} catch { |
367
|
|
|
|
|
|
|
|
368
|
0
|
|
|
0
|
|
|
my $ex = $_; |
369
|
|
|
|
|
|
|
|
370
|
0
|
|
|
|
|
|
$self->exception_handler($ex); |
371
|
|
|
|
|
|
|
|
372
|
0
|
|
|
|
|
|
delete $self->clients->{$wheel}; |
373
|
|
|
|
|
|
|
|
374
|
0
|
|
|
|
|
|
}; |
375
|
|
|
|
|
|
|
|
376
|
|
|
|
|
|
|
} |
377
|
|
|
|
|
|
|
|
378
|
|
|
|
|
|
|
sub _client_error { |
379
|
0
|
|
|
0
|
|
|
my ($self, $syscall, $errnum, $errstr, $wheel) = @_[OBJECT,ARG0..ARG3]; |
380
|
|
|
|
|
|
|
|
381
|
0
|
|
|
|
|
|
my $alias = $self->alias; |
382
|
|
|
|
|
|
|
|
383
|
0
|
|
|
|
|
|
$self->log->debug("$alias: _client_error()"); |
384
|
|
|
|
|
|
|
|
385
|
0
|
0
|
|
|
|
|
if ($errnum == 0) { |
386
|
|
|
|
|
|
|
|
387
|
0
|
|
|
|
|
|
$self->log->info_msg('net_client_disconnect', $alias, $self->peerhost($wheel), $self->peerport($wheel)); |
388
|
|
|
|
|
|
|
|
389
|
|
|
|
|
|
|
} else { |
390
|
|
|
|
|
|
|
|
391
|
0
|
|
|
|
|
|
$self->log->error_msg('net_client_error', $alias, $errnum, $errstr); |
392
|
|
|
|
|
|
|
|
393
|
|
|
|
|
|
|
} |
394
|
|
|
|
|
|
|
|
395
|
0
|
|
|
|
|
|
delete $self->clients->{$wheel}; |
396
|
|
|
|
|
|
|
|
397
|
|
|
|
|
|
|
} |
398
|
|
|
|
|
|
|
|
399
|
|
|
|
|
|
|
sub _client_reaper { |
400
|
0
|
|
|
0
|
|
|
my ($self, $wheel) = @_[OBJECT,ARG0]; |
401
|
|
|
|
|
|
|
|
402
|
0
|
|
|
|
|
|
my $timeout = time() - $self->inactivity_timer; |
403
|
|
|
|
|
|
|
|
404
|
0
|
0
|
|
|
|
|
if (defined($self->clients->{$wheel})) { |
405
|
|
|
|
|
|
|
|
406
|
0
|
0
|
|
|
|
|
if ($self->clients->{$wheel}->{'active'} < $timeout) { |
407
|
|
|
|
|
|
|
|
408
|
0
|
|
|
|
|
|
$self->reaper($wheel); |
409
|
|
|
|
|
|
|
|
410
|
|
|
|
|
|
|
} |
411
|
|
|
|
|
|
|
|
412
|
|
|
|
|
|
|
} |
413
|
|
|
|
|
|
|
|
414
|
|
|
|
|
|
|
} |
415
|
|
|
|
|
|
|
|
416
|
|
|
|
|
|
|
sub _client_flushed { |
417
|
0
|
|
|
0
|
|
|
my ($self, $wheel) = @_[OBJECT,ARG0]; |
418
|
|
|
|
|
|
|
|
419
|
0
|
|
|
|
|
|
my $alias = $self->alias; |
420
|
0
|
|
|
|
|
|
my $host = $self->peerhost($wheel); |
421
|
0
|
|
|
|
|
|
my $port = $self->peerport($wheel); |
422
|
|
|
|
|
|
|
|
423
|
0
|
|
|
|
|
|
$self->log->debug(sprintf('%s: _client_flushed(), wheel: %s, host: %s, port: %s', $alias, $wheel, $host, $port)); |
424
|
|
|
|
|
|
|
|
425
|
|
|
|
|
|
|
} |
426
|
|
|
|
|
|
|
|
427
|
|
|
|
|
|
|
# ---------------------------------------------------------------------- |
428
|
|
|
|
|
|
|
# Private Methods |
429
|
|
|
|
|
|
|
# ---------------------------------------------------------------------- |
430
|
|
|
|
|
|
|
|
431
|
|
|
|
|
|
|
sub init { |
432
|
0
|
|
|
0
|
1
|
|
my $class = shift; |
433
|
|
|
|
|
|
|
|
434
|
0
|
|
|
|
|
|
my $self = $class->SUPER::init(@_); |
435
|
|
|
|
|
|
|
|
436
|
0
|
0
|
|
|
|
|
unless (defined($self->filter)) { |
437
|
|
|
|
|
|
|
|
438
|
0
|
|
|
|
|
|
$self->{'filter'} = POE::Filter::Line->new( |
439
|
|
|
|
|
|
|
InputLiteral => $self->eol, |
440
|
|
|
|
|
|
|
OutputLiteral => $self->eol, |
441
|
|
|
|
|
|
|
); |
442
|
|
|
|
|
|
|
|
443
|
|
|
|
|
|
|
} |
444
|
|
|
|
|
|
|
|
445
|
0
|
|
|
|
|
|
return $self; |
446
|
|
|
|
|
|
|
|
447
|
|
|
|
|
|
|
} |
448
|
|
|
|
|
|
|
|
449
|
|
|
|
|
|
|
1; |
450
|
|
|
|
|
|
|
|
451
|
|
|
|
|
|
|
__END__ |