light-node-zookeeper/test/zk_worker.js

small node zookeeper

var assert = require('assert');
var util = require('util');

var ZK = require ("../lib/zookeeper");

onmessage = function(msg) {
    postMessage({ echo : msg });
        assert.ok(msg.data.numnodes && msg.data.numnodes > 0);
    var N = msg.data.numnodes;
    var connectport = (msg.data.connect || 'localhost:2181');
    var my_worker_index = msg.data.your_index;
    var counter = 0;
    var oncreate = function (rc, path, error)  {
        if (rc != 0) util.debug ("node create error: " + rc + ", path=" + path);
        if (++counter >= N) {
            postMessage({ done : counter });
            process.nextTick(function () {
                zk.close ();
            });
        }
    };
    
    var zk = new ZK;
    //zk.init ({connect:"localhost:2181,localhost:2182,localhost:2183", timeout:20000, debug_level:ZK.ZOO_LOG_LEVEL_WARN, host_order_deterministic:false});
    zk.init ({connect:connect, timeout:20000, debug_level:ZK.ZOO_LOG_LEVEL_WARN, host_order_deterministic:false});
    zk.on (ZK.on_connected, function (zk) {
        util.debug ("[from worker #" + my_worker_index + "]session connected");
        for (var i = 0; i < N; i ++) {
            zk.a_create ("/node.js1", "some value", ZK.ZOO_SEQUENCE | ZK.ZOO_EPHEMERAL, oncreate);
        }
    });

};