--- lib/Redis.pm 2009/03/22 13:44:19 27
+++ lib/Redis.pm 2009/03/22 18:07:46 37
@@ -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';
@@ -53,18 +55,20 @@
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 {
my $len = <$sock>;
- warn "## bulk len: ",dump($len);
+ warn "## bulk len: ",dump($len) if $debug;
return undef if $len eq "nil\r\n";
my $v;
- read($sock, $v, $len) || die $!;
- warn "## bulk v: ",dump($v);
+ if ( $len > 0 ) {
+ read($sock, $v, $len) || die $!;
+ warn "## bulk v: ",dump($v) if $debug;
+ }
my $crlf;
read($sock, $crlf, 2); # skip cr/lf
return $v;
@@ -72,35 +76,54 @@
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();
}
+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 {
my $ok = <$sock>;
+ return undef if $ok eq "nil\r\n";
confess dump($ok) unless $ok eq "+OK\r\n";
}
sub _sock_send {
my $self = shift;
- warn "## _sock_send ",dump( @_ );
+ warn "## _sock_send ",dump( @_ ) if $debug;
print $sock join(' ',@_) . "\r\n";
_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;
- print $sock join(' ',@_) . ' ' . length($value) . "\r\n$value\r\n";
+ $value = '' unless defined $value; # FIXME errr? nil?
+ print $sock join(' ',@_) . ' ' . length($value) . "\r\n$value\r\n"
}
sub _sock_send_bulk {
@@ -272,6 +295,8 @@
=head1 Commands operating on lists
+See also L for tie interface.
+
=head2 rpush
$r->rpush( $key, $value );
@@ -313,18 +338,7 @@
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
@@ -379,7 +393,7 @@
sub lpop {
my ( $self, $key ) = @_;
- $self->_sock_result_bulk( 'lpop', $key );
+ $self->_sock_result_bulk( 'LPOP', $key );
}
=head2 rpop
@@ -390,7 +404,75 @@
sub rpop {
my ( $self, $key ) = @_;
- $self->_sock_result_bulk( 'rpop', $key );
+ $self->_sock_result_bulk( 'RPOP', $key );
+}
+
+=head1 Commands operating on sets
+
+=head2 sadd
+
+ $r->sadd( $key, $member );
+
+=cut
+
+sub sadd {
+ my ( $self, $key, $member ) = @_;
+ $self->_sock_send_bulk_number( 'SADD', $key, $member );
+}
+
+=head2 srem
+
+ $r->srem( $key, $member );
+
+=cut
+
+sub srem {
+ my ( $self, $key, $member ) = @_;
+ $self->_sock_send_bulk_number( 'SREM', $key, $member );
+}
+
+=head2 scard
+
+ my $elements = $r->scard( $key );
+
+=cut
+
+sub scard {
+ my ( $self, $key ) = @_;
+ $self->_sock_send( 'SCARD', $key );
+}
+
+=head2 sismember
+
+ $r->sismember( $key, $member );
+
+=cut
+
+sub sismember {
+ my ( $self, $key, $member ) = @_;
+ $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 AUTHOR