/[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 208 by dpavlin, Wed Aug 12 23:59:01 2009 UTC revision 258 by dpavlin, Tue Aug 18 21:53:19 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};
88                  my $old = eval { $self->get( $url )->{_rev} };  
89                  $rev->{$url} = $json->{_rev} = $old if defined $old;          my $data = dclone $json;
90          }          $data = unbless $data if blessed $data;
91    
92          $json = unbless dclone $json if blessed $json;  #       warn "# put ",dump( $data );
93    
94          $json = JSON->new->utf8->encode( $json ) if $json;          $json = JSON->new->utf8->encode( $data );
95    
96          $self->request(PUT => $url, $json);          carp "# put ",$json;
97    
98            do {
99                    my $json = eval { $self->request(PUT => $url, $json) };
100                    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 ! $@;
107  }  }
108    
109  sub post {  sub post {
# Line 99  sub audit { Line 118  sub audit {
118          my $data = pop @_;          my $data = pop @_;
119    
120          my $url = join(' ', @_);          my $url = join(' ', @_);
121          $url =~ s/-\S+//g;          $url =~ s/\s+-\S+//g;   # remove command line options
122          $url =~ s/\W+/-/g;          $url =~ s/\W+/-/g;
123    
124          my ( $package, $file, $line, $sub ) = caller(1);          my $time = $data->{time} = time();
         ( $package, undef, $line ) = caller(0) if $package eq 'main';  
125    
126          my $time = time();          my @caller_name = ( qw/package file line sub/ );
127            my @caller = caller(0);
128            $caller[3] = (caller(1))[3];
129            $caller[3] =~ s{^.+::}{}; # stip package name from sub
130            $data->{ $caller_name[$_] } = $caller[$_] foreach ( 0 .. $#caller_name );
131    
132            if ( $ENV{DEBUG} ) {
133    
134                    my $caller;
135                    my $depth = 0;
136                    while ( my @c = caller($depth) ) {
137                            push @$caller, [ @c ];
138                            $depth++;
139                    }
140    
141          $data->{$_} = eval '$' . $_ foreach ( qw/time package line sub/ );                  $data->{caller} = $caller;
142    
143          warn 'audit ', dump($data), "at $file +$line\n";          }
144    
145    #       carp 'audit ', dump($data);
146    
147          $time = int($time); # reduce granularity          $time = int($time); # reduce granularity for url
148            my $package = $caller[0];
149          $audit->put( "pxelator/$time.$package.$url", $data );          $audit->put( "pxelator/$time.$package.$url", $data );
150    
151  }  }
152    
153  1;  1;
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