From c8345f531c8feffbd4993dd4b60b37962ab56b2b Mon Sep 17 00:00:00 2001
From: coderaiser <mnemonic.enemy@gmail.com>
Date: Fri, 30 Nov 2012 06:30:54 -0500
Subject: [PATCH] added description

---
 lib/server/appcache.js |  9 +++++++++
 lib/server/main.js     | 46 +++++++++++++++++++++++++-----------------
 lib/util.js            | 26 ++++++++++++++++++------
 3 files changed, 56 insertions(+), 25 deletions(-)

diff --git a/lib/server/appcache.js b/lib/server/appcache.js
index ef86fc11..4a43225e 100644
--- a/lib/server/appcache.js
+++ b/lib/server/appcache.js
@@ -2,6 +2,15 @@
 (function(){
     "use strict";
     
+    if(!global.cloudcmd)
+        return console.log(
+             '# appcache.js'                                    + '\n'  +
+             '# -----------'                                    + '\n'  +
+             '# Module is part of Cloud Commander,'             + '\n'  +
+             '# used for work with Aplication Cache.'           + '\n'  +
+             '# If you wont to see at work set appcache: true'  + '\n'  +
+             '# in config.json and start cloudcmd.js'           + '\n');
+    
     var main        = global.cloudcmd.main,
         fs          = main.fs,
         Util        = main.util,
diff --git a/lib/server/main.js b/lib/server/main.js
index 51c52a33..bce4758a 100644
--- a/lib/server/main.js
+++ b/lib/server/main.js
@@ -11,7 +11,10 @@
         
         SLASH,
         ISWIN32,
+        
+        fs,
         path,
+        zlib,
         
         OK              = 200,
         ERROR           = 404,
@@ -30,7 +33,7 @@
     /* Native Modules*/
     exports.crypto                  = require('crypto'),
     exports.child_process           = require('child_process'),
-    exports.fs                      = require('fs'),
+    exports.fs          = fs        = require('fs'),
     exports.http                    = require('http'),
     exports.https                   = require('https'),
     exports.path        = path      = require('path'),
@@ -60,7 +63,7 @@
     /* Needed Modules */
     exports.util    = Util          = require(LIBDIR + 'util'),
     
-    exports.zlib                    = mrequire('zlib'),
+    exports.zlib    = zlib          = mrequire('zlib'),
     
     /* Main Information */
     exports.config                  = rootrequire('config');
@@ -181,29 +184,34 @@
                         
             lEnc = lReq.headers['accept-encoding'] || '',
             lGzip = lEnc.match(/\bgzip\b/),
-            lReadStream;
+            lReadStream,
         
-         main.fs.exists(lName, function(pExist){
-            lRet = pExist;
-            if(pExist){
-                lReadStream = main.fs.createReadStream(lName, {
-                    'bufferSize': 4 * 1024
-                });                
-                lRes.writeHead(OK, generateHeaders(lName, lGzip) );
-                
-                if (lGzip)
-                    lReadStream = lReadStream.pipe( main.zlib.createGzip() );
-                
-                lReadStream.pipe(lRes);
-            }
-            else{
+            lSendError = function(pError){
                 var lJson = JSON.stringify({
-                    error: 'File not Found'
+                    error: pError
                 });
                 
                 lRes.writeHead(ERROR, 'OK');
                 lRes.end(lJson);
-            }
+            };
+        
+         main.fs.exists(lName, function(pExist){
+            lRet = pExist;
+            if(pExist)
+                Util.tryCatch(function(){
+                    lReadStream = fs.createReadStream(lName, {
+                        'bufferSize': 4 * 1024
+                    });                
+                    lRes.writeHead(OK, generateHeaders(lName, lGzip) );
+                    
+                    if (lGzip)
+                        lReadStream = lReadStream.pipe( zlib.createGzip() );
+                    
+                    lReadStream.pipe(lRes);
+                }, lSendError);
+                
+            else
+                lSendError('File not Found');
         });
         
         return lRet;
diff --git a/lib/util.js b/lib/util.js
index 7d5c16c2..bf844703 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -303,10 +303,10 @@ var Util, exports;
      * function execute param function in
      * try...catch block and log result
      * 
-     * @param pCallBack
+     * @param pTryFunc
      */
-    Util.tryCatchDebug          = function(pCallBack){
-        var lRet = Util.tryCatch(pCallBack);
+    Util.tryCatchDebug          = function(pTryFunc){
+        var lRet = Util.tryCatch(pTryFunc);
         
         if(lRet)
             Util.debug();
@@ -318,16 +318,30 @@ var Util, exports;
      * function execute param function in
      * try...catch block and log result
      * 
-     * @param pCallBack
+     * @param pTryFunc
      */
-    Util.tryCatchLog                = function(pCallBack){
+    Util.tryCatchLog                = function(pTryFunc){
         var lRet;
         
-        lRet = Util.tryCatch(pCallBack);
+        lRet = Util.tryCatch(pTryFunc);
         
         return Util.log(lRet);
     };
     
+    /**
+     * function execute param function in
+     * try...catch block and log result
+     * 
+     * @param pCallBack
+     */
+    Util.tryCatchCall               = function(pTryFunc, pCallBack){
+        var lRet;
+        
+        lRet = Util.tryCatch(pTryFunc);
+        
+        return Util.exec(pCallBack, lRet);
+    };
+    
     /**
      * function do save exec of function
      * @param pCallBack