setnx

[perl-Redis.git] / lib / Redis.pm

diff --git a/lib/Redis.pm b/lib/Redis.pm
index 4c46a66..d03416e 100644 (file)
--- a/lib/Redis.pm
+++ b/lib/Redis.pm
@@ -5,6 +5,7 @@ use strict;
 
 use IO::Socket::INET;
 use Data::Dump qw/dump/;
+use Carp qw/confess/;
 
 =head1 NAME
 
@@ -66,7 +67,7 @@ sub quit {
 
 =head2 ping
 
-       $r->ping || die "no server?";
+  $r->ping || die "no server?";
 
 =cut
 
@@ -76,6 +77,43 @@ sub ping {
        die "ping failed, got ", dump($pong) unless $pong eq "+PONG\r\n";
 }
 
+=head1 Commands operating on string values
+
+=head2 set
+
+  $r->set( foo => 'bar', $new );
+
+=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";
+}
+
+=head2 get
+
+  my $value = $r->get( 'foo' );
+
+=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;
+}
+
+
+
 =head1 AUTHOR
 
 Dobrica Pavlinusic, C<< <dpavlin at rot13.org> >>