X-Git-Url: http://git.rot13.org/?p=perl-Redis.git;a=blobdiff_plain;f=lib%2FRedis.pm;h=d55af0975044b6ff750d6d3b52662941749c6f7b;hp=98235f4bad219e4913d2a6d3a87c7ef69d7f1443;hb=d83b94045bd5ac5764d26319e03d1ee6c4266e63;hpb=220f99f0edbe8fb1b5e6a4b9cfbf13d6b85623fb diff --git a/lib/Redis.pm b/lib/Redis.pm index 98235f4..d55af09 100644 --- a/lib/Redis.pm +++ b/lib/Redis.pm @@ -51,6 +51,58 @@ sub new { $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 @@ -86,10 +138,8 @@ sub ping { =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 @@ -99,17 +149,8 @@ sub set { =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 @@ -119,16 +160,11 @@ sub get { =cut + + sub incr { - my ( $self, $key, $value ) = @_; - if ( defined $value ) { - print $sock "INCRBY $key $value\r\n"; - } else { - print $sock "INCR $key\r\n"; - } - my $count = <$sock>; - warn "# $key = $count"; - return $count; + my $self = shift; + $self->_sock_send( 'INCR' . ( $#_ ? 'BY' : '' ), @_ ); } =head2 decr @@ -139,15 +175,8 @@ sub incr { =cut sub decr { - my ( $self, $key, $value ) = @_; - if ( defined $value ) { - print $sock "DECRBY $key $value\r\n"; - } else { - print $sock "DECR $key\r\n"; - } - my $count = <$sock>; - warn "# $key = $count"; - return $count; + my $self = shift; + $self->_sock_send( 'DECR' . ( $#_ ? 'BY' : '' ), @_ ); } =head2 exists @@ -158,11 +187,143 @@ sub decr { sub exists { my ( $self, $key ) = @_; - print $sock "EXISTS $key\r\n"; - my $found = <$sock>; - $found =~ s{\r\n$}{}; - warn "# exists $key = $found"; - return $found; + $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