$self;
}
+sub _sock_result {
+ my $result = <$sock>;
+ warn "# result: ",dump( $result );
+ $result =~ s{\r\n$}{} || warn "can't find cr/lf";
+ return $result;
+}
+
+sub _sock_read_bulk {
+ my $len = <$sock>;
+ warn "## bulk len: ",dump($len);
+ return undef if $len eq "nil\r\n";
+ my $v;
+ read($sock, $v, $len) || die $!;
+ warn "## bulk v: ",dump($v);
+ my $crlf;
+ read($sock, $crlf, 2); # skip cr/lf
+ return $v;
+}
+
+sub _sock_result_bulk {
+ my $self = shift;
+ warn "## _sock_result_bulk ",dump( @_ );
+ print $sock join(' ',@_) . "\r\n";
+ _sock_read_bulk();
+}
+
+sub _sock_ok {
+ my $ok = <$sock>;
+ confess dump($ok) unless $ok eq "+OK\r\n";
+}
+
+sub _sock_send {
+ my $self = shift;
+ warn "## _sock_send ",dump( @_ );
+ print $sock join(' ',@_) . "\r\n";
+ _sock_result();
+}
+
+sub _sock_send_ok {
+ my $self = shift;
+ warn "## _sock_send_ok ",dump( @_ );
+ print $sock join(' ',@_) . "\r\n";
+ _sock_ok();
+}
+
+sub _sock_send_bulk {
+ my ( $self, $command, $key, $value ) = @_;
+ print $sock "$command $key " . length($value) . "\r\n$value\r\n";
+ _sock_ok();
+}
+
+
=head1 Connection Handling
=head2 quit
=cut
sub set {
- my ( $self, $k, $v, $new ) = @_;
- print $sock ( $new ? "SETNX" : "SET" ) . " $k " . length($v) . "\r\n$v\r\n";
- my $ok = <$sock>;
- confess dump($ok) unless $ok eq "+OK\r\n";
+ my ( $self, $key, $value, $new ) = @_;
+ $self->_sock_send_bulk( "SET" . ( $new ? 'NX' : '' ), $key, $value );
}
=head2 get
=cut
sub get {
- my ( $self, $k ) = @_;
- print $sock "GET $k\r\n";
- my $len = <$sock>;
-# warn "# len: ",dump($len);
- return undef if $len eq "nil\r\n";
- my $v;
- read($sock, $v, $len) || die $!;
-# warn "# v: ",dump($v);
- my $crlf;
- read($sock, $crlf, 2); # skip cr/lf
- return $v;
+ my $self = shift;
+ $self->_sock_result_bulk('GET', @_);
+}
+
+=head2 incr
+
+ $r->incr('counter');
+ $r->incr('tripplets', 3);
+
+=cut
+
+
+
+sub incr {
+ my $self = shift;
+ $self->_sock_send( 'INCR' . ( $#_ ? 'BY' : '' ), @_ );
+}
+
+=head2 decr
+
+ $r->decr('counter');
+ $r->decr('tripplets', 3);
+
+=cut
+
+sub decr {
+ my $self = shift;
+ $self->_sock_send( 'DECR' . ( $#_ ? 'BY' : '' ), @_ );
+}
+
+=head2 exists
+
+ $r->exists( 'key' ) && print "got key!";
+
+=cut
+
+sub exists {
+ my ( $self, $key ) = @_;
+ $self->_sock_send( 'EXISTS', $key );
+}
+
+=head2 del
+
+ $r->del( 'key' ) || warn "key doesn't exist";
+
+=cut
+
+sub del {
+ my ( $self, $key ) = @_;
+ $self->_sock_send( 'DEL', $key );
}
+=head2 type
+ $r->type( 'key' ); # = string
+
+=cut
+
+sub type {
+ my ( $self, $key ) = @_;
+ $self->_sock_send( 'TYPE', $key );
+}
+
+=head1 Commands operating on the key space
+
+=head2 keys
+
+ my @keys = $r->keys( '*glob_pattern*' );
+
+=cut
+
+sub keys {
+ my ( $self, $glob ) = @_;
+ return split(/\s/, $self->_sock_result_bulk( 'KEYS', $glob ));
+}
+
+=head2 randomkey
+
+ my $key = $r->randomkey;
+
+=cut
+
+sub randomkey {
+ my ( $self ) = @_;
+ $self->_sock_send( 'RANDOMKEY' );
+}
+
+=head2 rename
+
+ my $ok = $r->rename( 'old-key', 'new-key', $new );
+
+=cut
+
+sub rename {
+ my ( $self, $old, $new, $nx ) = @_;
+ $self->_sock_send_ok( 'RENAME' . ( $nx ? 'NX' : '' ), $old, $new );
+}
+
+=head2 dbsize
+
+ my $nr_keys = $r->dbsize;
+
+=cut
+
+sub dbsize {
+ my ( $self ) = @_;
+ $self->_sock_send('DBSIZE');
+}
+
+=head1 Commands operating on lists
+
+=head2 rpush
+
+ $r->rpush( $key, $value );
+
+=cut
+
+sub rpush {
+ my ( $self, $key, $value ) = @_;
+ $self->_sock_send_bulk('RPUSH', $key, $value);
+}
+
+=head2 lpush
+
+ $r->lpush( $key, $value );
+
+=cut
+
+sub lpush {
+ my ( $self, $key, $value ) = @_;
+ $self->_sock_send_bulk('LPUSH', $key, $value);
+}
+
+=head2 llen
+
+ $r->llen( $key );
+
+=cut
+
+sub llen {
+ my ( $self, $key ) = @_;
+ $self->_sock_send( 'LLEN', $key );
+}
+
+=head2 lrange
+
+ my @list = $r->lrange( $key, $start, $end );
+
+=cut
+
+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;
+}
+
+=head2 ltrim
+
+ my $ok = $r->ltrim( $key, $start, $end );
+
+=cut
+
+sub ltrim {
+ my ( $self, $key, $start, $end ) = @_;
+ $self->_sock_send_ok( 'LTRIM', $key, $start, $end );
+}
=head1 AUTHOR