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stmt |
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pod |
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code |
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package Logfile::EPrints::Filter::Session; |
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use strict; |
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use vars qw( %SESSIONS $AUTOLOAD $TIDY_ON $TIDY_COUNT ); |
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$TIDY_ON = 10000; |
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$TIDY_COUNT = 0; |
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sub new |
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{ |
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0
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my ($class,%self) = @_; |
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$self{session} ||= 'Logfile::EPrints::Session'; |
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$TIDY_COUNT = 0; |
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bless \%self, ref($class) || $class; |
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} |
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sub AUTOLOAD |
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{ |
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return if $AUTOLOAD =~ /[A-Z]$/; |
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$AUTOLOAD =~ s/^.*:://; |
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my( $self, $hit ) = @_; |
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my $address = $hit->address; |
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100
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if( exists $SESSIONS{$address} and |
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$SESSIONS{$address}->expired_by( $hit ) ) |
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{ |
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1
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delete($SESSIONS{$address})->end_session; |
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} |
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my $session = $SESSIONS{$address} ||= |
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$self->{session}->new( |
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filter => $self, |
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address => $address, |
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); |
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$session->$AUTOLOAD( $hit ); |
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$self->_tidyup( $hit ) if ++$TIDY_COUNT > $TIDY_ON; |
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$hit->{session} = $session; |
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return $self->{handler}->$AUTOLOAD($hit); |
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} |
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sub _tidyup |
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{ |
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my( $self, $hit ) = @_; |
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$TIDY_COUNT = 0; |
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for(keys %SESSIONS) |
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{ |
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100
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if( $SESSIONS{$_}->expired_by( $hit ) ) |
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{ |
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1
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delete($SESSIONS{$_})->end_session; |
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}; |
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} |
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} |
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package Logfile::EPrints::Session; |
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=head1 NAME |
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Logfile::EPrints::Session - Simple session class |
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=head1 METHODS |
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=over 4 |
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65
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=cut |
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67
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6
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6
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38
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use strict; |
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10
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6
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221
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68
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6
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6
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37
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use warnings; |
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32
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6
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246
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69
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70
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6
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6
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29
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use vars qw( $AUTOLOAD $MAX_SESSION_GAP ); |
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6
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3194
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71
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72
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$MAX_SESSION_GAP = 60*10; # 10 minutes |
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74
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sub new |
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{ |
76
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6
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6
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44
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my( $class, %self ) = @_; |
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6
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39
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bless \%self, $class; |
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} |
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=item $session->expired_by( $hit ) |
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Returns true if this session would be expired before $hit occurred. NOTE for the purposes of tidyup $hit may not be from the same address as the session. |
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84
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=cut |
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86
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21
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21
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61
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sub expired_by { ($_[1]->utime - $_[0]->{last_seen}) > $MAX_SESSION_GAP } |
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88
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=item $session->start_session( $hit ) |
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90
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A new session has started with $hit. |
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92
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=cut |
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94
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6
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6
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8
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sub start_session {} |
95
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96
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=item $session->end_session |
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98
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The session has expired/finished. |
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100
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=cut |
101
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102
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2
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2
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8
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sub end_session { delete $_[0]->{last_abstract} } |
103
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104
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=item $session->total( [ $type ] ) |
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106
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Return the total number of requests in this session or, if $type is given, total unique requests (by identifier) for $type. |
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108
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=cut |
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110
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sub total |
111
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{ |
112
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11
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11
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14
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my( $self, $type ) = @_; |
113
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114
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11
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52
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return @_ == 2 ? |
115
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11
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50
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23
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scalar keys %{$self->{requests}->{$type}} : |
116
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$self->{requests}->{total}; |
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} |
118
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119
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sub AUTOLOAD |
120
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{ |
121
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24
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50
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24
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75
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return if $AUTOLOAD =~ /[A-Z]$/; |
122
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24
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89
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$AUTOLOAD =~ s/^.*:://; |
123
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24
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42
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my( $self, $hit ) = @_; |
124
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125
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24
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100
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56
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if( !defined $self->{last_seen} ) |
126
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{ |
127
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6
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23
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$self->{first_seen} = $hit->utime; |
128
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6
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906
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$self->start_session( $hit ); |
129
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} |
130
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131
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24
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100
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66
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141
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if( $AUTOLOAD eq 'abstract' ) |
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100
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132
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{ |
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1
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$self->{last_abstract} = $hit; # creates a loop in this hit |
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} |
135
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elsif( $AUTOLOAD eq 'fulltext' and exists $self->{last_abstract} ) |
136
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{ |
137
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3
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100
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23
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if( $self->{last_abstract}->identifier eq $hit->identifier ) |
138
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{ |
139
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2
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12
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$hit->{abstract_referrer} = $self->{last_abstract}; |
140
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} |
141
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else |
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{ |
143
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1
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14
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delete $self->{last_abstract}; |
144
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} |
145
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} |
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147
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24
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198
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$self->{last_seen} = $hit->utime; |
148
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149
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24
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66
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104
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if( $AUTOLOAD eq 'abstract' or $AUTOLOAD eq 'fulltext' ) |
150
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{ |
151
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24
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$self->{requests}->{total}++; |
152
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24
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130
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$self->{requests}->{$AUTOLOAD}->{$hit->identifier}++; |
153
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} |
154
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} |
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156
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package Logfile::EPrints::Filter::MaxPerSession; |
157
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158
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6
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6
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37
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use strict; |
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6
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17
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6
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199
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159
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6
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6
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31
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use warnings; |
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6
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10
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6
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344
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160
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161
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our @ISA = qw( Logfile::EPrints::Filter ); |
162
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163
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6
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6
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27
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use vars qw( $AUTOLOAD ); |
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6
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12
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6
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2031
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164
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165
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sub AUTOLOAD |
166
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{ |
167
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11
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50
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11
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33
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return if $AUTOLOAD =~ /[A-Z]$/; |
168
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11
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31
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$AUTOLOAD =~ s/^.*:://; |
169
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11
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15
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my( $self, $hit ) = @_; |
170
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11
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100
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66
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47
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if( defined($self->{$AUTOLOAD}) and |
171
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$hit->{session}->total($AUTOLOAD) > $self->{$AUTOLOAD} ) |
172
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{ |
173
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1
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50
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6
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return undef if $hit->{session}->{__PACKAGE__ . '_removed'}; |
174
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1
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4
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$hit->{session}->{__PACKAGE__ . '_removed'} = 1; |
175
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1
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5
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return Logfile::EPrints::Hit::Negate->new( |
176
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address => $hit->address, |
177
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start_utime => $hit->{session}->{first_seen}, |
178
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end_utime => $hit->{session}->{last_seen}, |
179
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); |
180
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} |
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else |
182
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{ |
183
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10
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29
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return $self->{handler}->$AUTOLOAD( $hit ); |
184
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} |
185
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} |
186
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187
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1; |
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189
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__END__ |