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  • zookeeper watch 节点

    zjtest7-redis:/root/zk# cat a1.pl 
    use ZooKeeper;
    use AnyEvent;
    use AE;
    use Data::Dumper;
    use IO::Socket;
         sub check_port {
                            ( $server, $port ) = ('127.0.0.1','3306');
                                  $sock = IO::Socket::INET->new(PeerAddr => $server,
                                  PeerPort => $port,
                                  Proto => 'tcp');
                                 if ($sock)
                                    {return 1}
                                 else
                                    {return 0 };
                       }; 
    
    
        my @ip_list=();
       my $zk = ZooKeeper->new(hosts => '120.55.118.6:2181,120.55.118.6:2182,120.55.118.6:2183') ;
       #my $zk = ZooKeeper->new(hosts => '120.55.118.6:2182,120.55.118.6:2183') ;
          print "zk status
    ";
             print Dumper($zk->get('/mysql/0001'));
                print "zk status
    ";
    zjtest7-redis:/root/zk# perl a1.pl 
    zk status
    $VAR1 = '192.168.32.6';
    $VAR2 = {
              'dataLength' => 12,
              'cversion' => 0,
              'mtime' => '1471311976986',
              'czxid' => '21474837517',
              'ephemeralOwner' => '240533560774754452',
              'pzxid' => '21474837517',
              'version' => 1,
              'mzxid' => '21474837518',
              'ctime' => '1471311976969',
              'aversion' => 0,
              'numChildren' => 0
            };
    zk status
    
    
    /***************************************
    
      my $zk_value = $zk->get('/mysql/0001', watcher => sub {
            ###事件状态
            my $event = shift;
            print "触发了事件.";
            print $event->{'type'}."
    ";
            print "事件状态.";
            print $event->{'state'}."
    ";
            $cv->send($event) }
    
    
    zookeeper watch 节点

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  • 原文地址:https://www.cnblogs.com/hzcya1995/p/13350400.html
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