/[pxelator]/lib/PXElator/CouchDB.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 210 by dpavlin, Thu Aug 13 12:00:38 2009 UTC revision 221 by dpavlin, Sat Aug 15 14:21:55 2009 UTC
# Line 12  use Time::HiRes qw/time/; Line 12  use Time::HiRes qw/time/;
12  use Data::Structure::Util qw(unbless);  use Data::Structure::Util qw(unbless);
13  use Scalar::Util qw/blessed/;  use Scalar::Util qw/blessed/;
14  use Storable qw/dclone/;  use Storable qw/dclone/;
15    use Carp qw/carp/;
16    
17  sub new {  sub new {
18          my ($class, $host, $port, $options) = @_;          my ($class, $host, $port, $options) = @_;
# Line 60  sub request { Line 61  sub request {
61    
62  our $rev;  our $rev;
63    
64    sub rev {
65            my ($self,$url) = @_;
66            my $rev = $rev->{$url};
67            $rev  ||= eval { $self->get( $url )->{_rev} };
68    #       warn "# rev $url $rev";
69            return $rev;
70    }
71    
72  sub delete {  sub delete {
73          my ($self, $url) = @_;          my ($self, $url) = @_;
74    
75          $self->request(DELETE => $url);          $self->request(DELETE => $url . '?rev=' . $self->rev($url) );
76  }  }
77    
78  sub get {  sub get {
# Line 75  sub get { Line 84  sub get {
84  sub put {  sub put {
85          my ($self, $url, $json) = @_;          my ($self, $url, $json) = @_;
86    
87          if ( ! defined $json->{_rev} ) {          $json->{_rev} = $rev->{$url} if defined $rev->{$url};
                 my $old = eval { $self->get( $url )->{_rev} };  
                 $rev->{$url} = $json->{_rev} = $old if defined $old;  
         }  
88    
89          my $data = dclone $json;          my $data = dclone $json;
90          $data = unbless $data if blessed $data;          $data = unbless $data if blessed $data;
91    
92          warn dump( $data );  #       warn "# put ",dump( $data );
93    
94          $json = JSON->new->utf8->encode( $data );          $json = JSON->new->utf8->encode( $data );
95    
96          warn $json;          carp "# put ",$json;
97    
98          do {          do {
99                  eval { $self->request(PUT => $url, $json) };                  my $json = eval { $self->request(PUT => $url, $json) };
100                  $rev->{$url} = $self->get( $url )->{_rev} if $@;                  if ( $@ ) {
101                            $rev->{$url} = $self->rev( $url );
102                            warn "refresh rev $url = ", $rev->{$url};
103                    } else {
104                            $rev->{$url} = JSON->new->decode( $json )->{rev};
105                    }
106          } until ! $@;          } until ! $@;
107  }  }
108    
# Line 111  sub audit { Line 122  sub audit {
122          $url =~ s/\W+/-/g;          $url =~ s/\W+/-/g;
123    
124          my ( $package, $file, $line, $sub ) = caller(1);          my ( $package, $file, $line, $sub ) = caller(1);
125  #       ( $package, undef, $line ) = caller(0) if $package eq 'main';          ( $package, undef, $line ) = caller(0) if ! $package || $package eq 'main';
126    
127          my $time = time();          my $time = time();
128    
129          $data->{$_} = eval '$' . $_ foreach ( qw/time package line sub/ );          $data->{$_} = eval '$' . $_ foreach ( qw/time package line sub/ );
130    
131          warn 'audit ', dump($data), "at $file +$line\n";  #       carp 'audit ', dump($data);
132    
133          $time = int($time); # reduce granularity          $time = int($time); # reduce granularity
134          $audit->put( "pxelator/$time.$package.$url", $data );          $audit->put( "pxelator/$time.$package.$url", $data );
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