A simple zk web browser is ok now

app.js

@@ -4,35 +4,78 @@
  */
 
 var express = require('express');
-
+var path=require('path');
+var util=require('util');
+var ZK = require ("zookeeper").ZooKeeper;
+var zk = new ZK();
+zk.init ({connect:"localhost:2181", timeout:200000, debug_level:ZK.ZOO_LOG_LEVEL_WARNING, host_order_deterministic:false});
+zk.on (ZK.on_connected, function (zkk) {
+    console.log ("zk session established, id=%s", zkk.client_id);
+});
 var app = module.exports = express.createServer();
 
 // Configuration
-
 app.configure(function(){
   app.set('views', __dirname + '/views');
-  app.set('view engine', 'jade');
+  app.set('view engine', 'ejs');
   app.use(express.bodyParser());
   app.use(express.methodOverride());
   app.use(app.router);
   app.use(express.static(__dirname + '/public'));
 });
 
 app.configure('development', function(){
-  app.use(express.errorHandler({ dumpExceptions: true, showStack: true })); 
+  app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
 });
 
 app.configure('production', function(){
-  app.use(express.errorHandler()); 
+  app.use(express.errorHandler());
 });
 
 // Routes
 
+//index
 app.get('/', function(req, res){
   res.render('index', {
-    title: 'Express'
   });
 });
+//display tree
+app.get('/tree', function(req, res){
+    var path=req.query.path || "/";
+    res.render('tree', {layout:false,'path':path  });
+});
+
+//query data
+app.get("/get",function(req,res){
+    var path=req.query.path || "/";
+    zk.a_get(path,null,function(rc,err,stat,data){
+        if(rc!=0)
+            throw new Error(err);
+        res.render("data",{ layout: false, 'stat':stat,'data':data,'path':path});
+    });
+});
+//query children
+app.get('/children',function(req,res){
+    var parenPath=req.query.path || '/';
+    zk.a_get_children(parenPath,null,function(rc,error,children){
+        if(rc!=0)
+            throw new Error(error);
+        var result=[];
+        children.forEach(function(child){
+            realPath=path.join(parenPath,child);
+            result.unshift({
+                attributes:{"path":realPath,"rel":"chv"},
+                data:{
+                    title : child,icon:"ou.png", attributes: { "href" : ("get?path="+realPath) }
+                },
+                state:"closed"
+            });
+        });
+        res.header("Content-Type","application/json");
+        res.send(result);
+    });
+
+});
 
 app.listen(3000);
 console.log("Express server listening on port %d", app.address().port);

package.json

@@ -3,6 +3,7 @@
   , "version": "0.0.1"
   , "private": true
   , "dependencies": {
-    "jade": ">= 0.0.1"
+    "ejs": ">= 0.4.2",
+    "zookeeper":">=3.3.3-0"
   }
-}
+}