--- lib/Redis.pm 2009/03/22 17:06:34 32
+++ lib/Redis.pm 2009/03/23 10:42:29 45
@@ -9,7 +9,7 @@
=head1 NAME
-Redis - The great new Redis!
+Redis - perl binding for Redis database
=cut
@@ -20,19 +20,21 @@
Pure perl bindings for L
+This version support git version of Redis available at
+L
+
use Redis;
my $r = Redis->new();
-
-
-
=head1 FUNCTIONS
=head2 new
=cut
+our $debug = $ENV{REDIS} || 0;
+
our $sock;
my $server = '127.0.0.1:6379';
@@ -51,21 +53,21 @@
$self;
}
-sub _sock_result {
+sub __sock_result {
my $result = <$sock>;
- warn "# result: ",dump( $result );
+ warn "## result: ",dump( $result ) if $debug;
$result =~ s{\r\n$}{} || warn "can't find cr/lf";
return $result;
}
-sub _sock_read_bulk {
+sub __sock_read_bulk {
my $len = <$sock>;
- warn "## bulk len: ",dump($len);
+ warn "## bulk len: ",dump($len) if $debug;
return undef if $len eq "nil\r\n";
my $v;
if ( $len > 0 ) {
read($sock, $v, $len) || die $!;
- warn "## bulk v: ",dump($v);
+ warn "## bulk v: ",dump($v) if $debug;
}
my $crlf;
read($sock, $crlf, 2); # skip cr/lf
@@ -74,9 +76,26 @@
sub _sock_result_bulk {
my $self = shift;
- warn "## _sock_result_bulk ",dump( @_ );
+ warn "## _sock_result_bulk ",dump( @_ ) if $debug;
print $sock join(' ',@_) . "\r\n";
- _sock_read_bulk();
+ __sock_read_bulk();
+}
+
+sub _sock_result_bulk_list {
+ my $self = shift;
+ warn "## _sock_result_bulk_list ",dump( @_ ) if $debug;
+
+ my $size = $self->_sock_send( @_ );
+ confess $size unless $size > 0;
+ $size--;
+
+ my @list = ( 0 .. $size );
+ foreach ( 0 .. $size ) {
+ $list[ $_ ] = __sock_read_bulk();
+ }
+
+ warn "## list = ", dump( @list ) if $debug;
+ return @list;
}
sub __sock_ok {
@@ -87,34 +106,35 @@
sub _sock_send {
my $self = shift;
- warn "## _sock_send ",dump( @_ );
+ warn "## _sock_send ",dump( @_ ) if $debug;
print $sock join(' ',@_) . "\r\n";
- _sock_result();
+ __sock_result();
}
sub _sock_send_ok {
my $self = shift;
- warn "## _sock_send_ok ",dump( @_ );
+ warn "## _sock_send_ok ",dump( @_ ) if $debug;
print $sock join(' ',@_) . "\r\n";
__sock_ok();
}
sub __sock_send_bulk_raw {
- my $self = shift;
- warn "## _sock_send_bulk ",dump( @_ );
+ warn "## _sock_send_bulk ",dump( @_ ) if $debug;
my $value = pop;
$value = '' unless defined $value; # FIXME errr? nil?
print $sock join(' ',@_) . ' ' . length($value) . "\r\n$value\r\n"
}
sub _sock_send_bulk {
+ my $self = shift;
__sock_send_bulk_raw( @_ );
__sock_ok();
}
sub _sock_send_bulk_number {
+ my $self = shift;
__sock_send_bulk_raw( @_ );
- my $v = _sock_result();
+ my $v = __sock_result();
confess $v unless $v =~ m{^\-?\d+$};
return $v;
}
@@ -166,7 +186,18 @@
sub get {
my $self = shift;
- $self->_sock_result_bulk('GET', @_);
+ $self->_sock_result_bulk('GET',@_);
+}
+
+=head2 mget
+
+ my @values = $r->get( 'foo', 'bar', 'baz' );
+
+=cut
+
+sub mget {
+ my $self = shift;
+ $self->_sock_result_bulk_list('MGET',@_);
}
=head2 incr
@@ -238,7 +269,9 @@
sub keys {
my ( $self, $glob ) = @_;
- return split(/\s/, $self->_sock_result_bulk( 'KEYS', $glob ));
+ my $keys = $self->_sock_result_bulk( 'KEYS', $glob );
+ return split(/\s/, $keys) if $keys;
+ return () if wantarray;
}
=head2 randomkey
@@ -276,6 +309,8 @@
=head1 Commands operating on lists
+See also L for tie interface.
+
=head2 rpush
$r->rpush( $key, $value );
@@ -317,18 +352,7 @@
sub lrange {
my ( $self, $key, $start, $end ) = @_;
- my $size = $self->_sock_send('LRANGE', $key, $start, $end);
-
- confess $size unless $size > 0;
- $size--;
-
- my @list = ( 0 .. $size );
- foreach ( 0 .. $size ) {
- $list[ $_ ] = _sock_read_bulk();
- }
-
- warn "## lrange $key $start $end = [$size] ", dump( @list );
- return @list;
+ $self->_sock_result_bulk_list('LRANGE', $key, $start, $end);
}
=head2 ltrim
@@ -443,6 +467,75 @@
$self->_sock_send_bulk_number( 'SISMEMBER', $key, $member );
}
+=head2 sinter
+
+ $r->sinter( $key1, $key2, ... );
+
+=cut
+
+sub sinter {
+ my $self = shift;
+ $self->_sock_result_bulk_list( 'SINTER', @_ );
+}
+
+=head2 sinterstore
+
+ my $ok = $r->sinterstore( $dstkey, $key1, $key2, ... );
+
+=cut
+
+sub sinterstore {
+ my $self = shift;
+ $self->_sock_send_ok( 'SINTERSTORE', @_ );
+}
+
+=head1 Multiple databases handling commands
+
+=head2 select
+
+ $r->select( $dbindex ); # 0 for new clients
+
+=cut
+
+sub select {
+ my ($self,$dbindex) = @_;
+ confess dump($dbindex) . 'not number' unless $dbindex =~ m{^\d+$};
+ $self->_sock_send_ok( 'SELECT', $dbindex );
+}
+
+=head2 move
+
+ $r->move( $key, $dbindex );
+
+=cut
+
+sub move {
+ my ( $self, $key, $dbindex ) = @_;
+ $self->_sock_send( 'MOVE', $key, $dbindex );
+}
+
+=head2 flushdb
+
+ $r->flushdb;
+
+=cut
+
+sub flushdb {
+ my $self = shift;
+ $self->_sock_send_ok('FLUSHDB');
+}
+
+=head2 flushall
+
+ $r->flushall;
+
+=cut
+
+sub flushall {
+ my $self = shift;
+ $self->_sock_send_ok('flushall');
+}
+
=head1 AUTHOR
Dobrica Pavlinusic, C<< >>