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use strict; |
use strict; |
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use IO::Socket::INET; |
use IO::Socket::INET; |
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use Data::Dump qw/dump/; |
use Data::Dumper; |
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use Carp qw/confess/; |
use Carp qw/confess/; |
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use Encode; |
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=head1 NAME |
=head1 NAME |
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=cut |
=cut |
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our $VERSION = '0.08'; |
our $VERSION = '1.2001'; |
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=head1 DESCRIPTION |
=head1 DESCRIPTION |
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Pure perl bindings for L<http://code.google.com/p/redis/> |
Pure perl bindings for L<http://code.google.com/p/redis/> |
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This version support git version 0.08 of Redis available at |
This version supports protocol 1.2 or later of Redis available at |
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L<git://github.com/antirez/redis> |
L<git://github.com/antirez/redis> |
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=head2 new |
=head2 new |
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my $r = Redis->new; |
my $r = Redis->new; # $ENV{REDIS_SERVER} or 127.0.0.1:6379 |
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=cut |
my $r = Redis->new( server => '192.168.0.1:6379', debug = 0 ); |
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our $debug = $ENV{REDIS} || 0; |
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our $sock; |
=cut |
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my $server = '127.0.0.1:6379'; |
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sub new { |
sub new { |
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my $class = shift; |
my $class = shift; |
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my $self = {}; |
my $self = {@_}; |
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bless($self, $class); |
$self->{debug} ||= $ENV{REDIS_DEBUG}; |
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warn "# opening socket to $server"; |
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$sock ||= IO::Socket::INET->new( |
$self->{sock} = IO::Socket::INET->new( |
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PeerAddr => $server, |
PeerAddr => $self->{server} || $ENV{REDIS_SERVER} || '127.0.0.1:6379', |
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Proto => 'tcp', |
Proto => 'tcp', |
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) || die $!; |
) || die $!; |
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bless($self, $class); |
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$self; |
$self; |
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} |
} |
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sadd => 1, srem => 1, |
sadd => 1, srem => 1, |
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sismember => 1, |
sismember => 1, |
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echo => 1, |
echo => 1, |
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getset => 1, |
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smove => 1, |
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zadd => 1, |
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zrem => 1, |
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zscore => 1, |
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zincrby => 1, |
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append => 1, |
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}; |
}; |
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# we don't want DESTROY to fallback into AUTOLOAD |
# we don't want DESTROY to fallback into AUTOLOAD |
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sub AUTOLOAD { |
sub AUTOLOAD { |
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my $self = shift; |
my $self = shift; |
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use bytes; |
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my $sock = $self->{sock} || die "no server connected"; |
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my $command = $AUTOLOAD; |
my $command = $AUTOLOAD; |
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$command =~ s/.*://; |
$command =~ s/.*://; |
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warn "## $command ",dump(@_) if $debug; |
warn "## $command ",Dumper(@_) if $self->{debug}; |
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my $send; |
my $send; |
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; |
; |
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} |
} |
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warn ">> $send" if $debug; |
warn ">> $send" if $self->{debug}; |
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print $sock $send; |
print $sock $send; |
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if ( $command eq 'quit' ) { |
if ( $command eq 'quit' ) { |
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} |
} |
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my $result = <$sock> || die "can't read socket: $!"; |
my $result = <$sock> || die "can't read socket: $!"; |
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warn "<< $result" if $debug; |
Encode::_utf8_on($result); |
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warn "<< $result" if $self->{debug}; |
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my $type = substr($result,0,1); |
my $type = substr($result,0,1); |
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$result = substr($result,1,-2); |
$result = substr($result,1,-2); |
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if ( $command eq 'info' ) { |
if ( $command eq 'info' ) { |
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my $hash; |
my $hash; |
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foreach my $l ( split(/\r\n/, __sock_read_bulk($result) ) ) { |
foreach my $l ( split(/\r\n/, $self->__read_bulk($result) ) ) { |
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my ($n,$v) = split(/:/, $l, 2); |
my ($n,$v) = split(/:/, $l, 2); |
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$hash->{$n} = $v; |
$hash->{$n} = $v; |
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} |
} |
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return $hash; |
return $hash; |
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} elsif ( $command eq 'keys' ) { |
} elsif ( $command eq 'keys' ) { |
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my $keys = __sock_read_bulk($result); |
my $keys = $self->__read_bulk($result); |
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return split(/\s/, $keys) if $keys; |
return split(/\s/, $keys) if $keys; |
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return; |
return; |
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} |
} |
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if ( $type eq '-' ) { |
if ( $type eq '-' ) { |
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confess $result; |
confess "[$command] $result"; |
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} elsif ( $type eq '+' ) { |
} elsif ( $type eq '+' ) { |
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return $result; |
return $result; |
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} elsif ( $type eq '$' ) { |
} elsif ( $type eq '$' ) { |
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return __sock_read_bulk($result); |
return $self->__read_bulk($result); |
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} elsif ( $type eq '*' ) { |
} elsif ( $type eq '*' ) { |
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return __sock_read_multi_bulk($result); |
return $self->__read_multi_bulk($result); |
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} elsif ( $type eq ':' ) { |
} elsif ( $type eq ':' ) { |
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return $result; # FIXME check if int? |
return $result; # FIXME check if int? |
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} else { |
} else { |
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confess "unknown type: $type", __sock_read_line(); |
confess "unknown type: $type", $self->__read_line(); |
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} |
} |
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} |
} |
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sub __sock_read_bulk { |
sub __read_bulk { |
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my $len = shift; |
my ($self,$len) = @_; |
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return undef if $len < 0; |
return undef if $len < 0; |
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my $v; |
my $v; |
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if ( $len > 0 ) { |
if ( $len > 0 ) { |
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read($sock, $v, $len) || die $!; |
read($self->{sock}, $v, $len) || die $!; |
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warn "<< ",dump($v),$/ if $debug; |
Encode::_utf8_on($v); |
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warn "<< ",Dumper($v),$/ if $self->{debug}; |
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} |
} |
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my $crlf; |
my $crlf; |
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read($sock, $crlf, 2); # skip cr/lf |
read($self->{sock}, $crlf, 2); # skip cr/lf |
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return $v; |
return $v; |
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} |
} |
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sub __sock_read_multi_bulk { |
sub __read_multi_bulk { |
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my $size = shift; |
my ($self,$size) = @_; |
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return undef if $size < 0; |
return undef if $size < 0; |
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my $sock = $self->{sock}; |
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$size--; |
$size--; |
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my @list = ( 0 .. $size ); |
my @list = ( 0 .. $size ); |
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foreach ( 0 .. $size ) { |
foreach ( 0 .. $size ) { |
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$list[ $_ ] = __sock_read_bulk( substr(<$sock>,1,-2) ); |
$list[ $_ ] = $self->__read_bulk( substr(<$sock>,1,-2) ); |
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} |
} |
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warn "## list = ", dump( @list ) if $debug; |
warn "## list = ", Dumper( @list ) if $self->{debug}; |
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return @list; |
return @list; |
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} |
} |
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my $info_hash = $r->info; |
my $info_hash = $r->info; |
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=head1 ENCODING |
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Since Redis knows nothing about encoding, we are forcing utf-8 flag on all data received from Redis. |
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This change is introduced in 1.2001 version. |
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This allows us to round-trip utf-8 encoded characters correctly, but might be problem if you push |
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binary junk into Redis and expect to get it back without utf-8 flag turned on. |
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=head1 AUTHOR |
=head1 AUTHOR |
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Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >> |
Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >> |
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=head1 COPYRIGHT & LICENSE |
=head1 COPYRIGHT & LICENSE |
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Copyright 2009 Dobrica Pavlinusic, all rights reserved. |
Copyright 2009-2010 Dobrica Pavlinusic, all rights reserved. |
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This program is free software; you can redistribute it and/or modify it |
This program is free software; you can redistribute it and/or modify it |
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under the same terms as Perl itself. |
under the same terms as Perl itself. |