X-Git-Url: http://git.rot13.org/?p=perl-Redis.git;a=blobdiff_plain;f=lib%2FRedis.pm;h=b3edb6ca454a331951f94dc3af1d8e36759fea6e;hp=d25a225d32f4d93dbfad30bfa314dfea519ea6cb;hb=27b1d5b5fae2c6f2bd2a193f626bfbd8103d24e6;hpb=233f624c856cc0828a100493ccc18f093e455412 diff --git a/lib/Redis.pm b/lib/Redis.pm index d25a225..b3edb6c 100644 --- a/lib/Redis.pm +++ b/lib/Redis.pm @@ -51,6 +51,74 @@ 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; + if ( $len > 0 ) { + read($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>; + 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( @_ ); + 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_raw { + my $self = shift; + warn "## _sock_send_bulk ",dump( @_ ); + my $value = pop; + $value = '' unless defined $value; # FIXME errr? nil? + print $sock join(' ',@_) . ' ' . length($value) . "\r\n$value\r\n" +} + +sub _sock_send_bulk { + __sock_send_bulk_raw( @_ ); + __sock_ok(); +} + +sub _sock_send_bulk_number { + __sock_send_bulk_raw( @_ ); + my $v = _sock_result(); + confess $v unless $v =~ m{^\-?\d+$}; + return $v; +} + =head1 Connection Handling =head2 quit @@ -86,10 +154,8 @@ 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 +165,8 @@ 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 +176,11 @@ 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 +191,234 @@ sub incr { =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 ) = @_; - if ( defined $value ) { - print $sock "DECRBY $key $value\r\n"; - } else { - print $sock "DECR $key\r\n"; + $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(); } - my $count = <$sock>; - warn "# $key = $count"; - return $count; + + 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 ); +} + +=head2 lindex + + $r->lindex( $key, $index ); + +=cut + +sub lindex { + my ( $self, $key, $index ) = @_; + $self->_sock_result_bulk( 'LINDEX', $key, $index ); +} + +=head2 lset + + $r->lset( $key, $index, $value ); + +=cut + +sub lset { + my ( $self, $key, $index, $value ) = @_; + $self->_sock_send_bulk( 'LSET', $key, $index, $value ); +} + +=head2 lrem + + my $modified_count = $r->lrem( $key, $count, $value ); + +=cut + +sub lrem { + my ( $self, $key, $count, $value ) = @_; + $self->_sock_send_bulk_number( 'LREM', $key, $count, $value ); +} + +=head2 lpop + + my $value = $r->lpop( $key ); + +=cut + +sub lpop { + my ( $self, $key ) = @_; + $self->_sock_result_bulk( 'LPOP', $key ); +} + +=head2 rpop + + my $value = $r->rpop( $key ); + +=cut + +sub rpop { + my ( $self, $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 ); } =head1 AUTHOR