From 13a0c73eb84b3c906b477be30dcc920cfc82d0db Mon Sep 17 00:00:00 2001
From: Lennart Kats <lclkats@gmail.com>
Date: Wed, 1 Jun 2016 12:32:35 +0000
Subject: [PATCH 1/2] Cleanup

---
 package.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/package.json b/package.json
index 1a7d8009..cfef610f 100644
--- a/package.json
+++ b/package.json
@@ -68,7 +68,7 @@
         "c9.ide.language.javascript.eslint": "#4de5457db1",
         "c9.ide.language.javascript.tern": "#64ab01f271",
         "c9.ide.language.javascript.infer": "#69fbc134d6",
-        "c9.ide.language.jsonalyzer": "#d8183d84b4",
+        "c9.ide.language.jsonalyzer": "#ce973ed167",
         "c9.ide.language.codeintel": "#fc867feec4",
         "c9.ide.collab": "#cfbf987438",
         "c9.ide.local": "#10eb45842a",

From cf1c2cf6d88d05215bf377f96bebbfec71396962 Mon Sep 17 00:00:00 2001
From: Lennart Kats <lclkats@gmail.com>
Date: Wed, 1 Jun 2016 12:33:26 +0000
Subject: [PATCH 2/2] Only measure latency when websocket seems idle

---
 plugins/c9.vfs.client/vfs.ping.js   | 4 ++++
 plugins/c9.vfs.client/vfs_client.js | 9 ++++++++-
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/plugins/c9.vfs.client/vfs.ping.js b/plugins/c9.vfs.client/vfs.ping.js
index 4e02ade7..05bdbc9c 100644
--- a/plugins/c9.vfs.client/vfs.ping.js
+++ b/plugins/c9.vfs.client/vfs.ping.js
@@ -9,6 +9,7 @@ define(function(require, exports, module) {
         var Plugin = imports.Plugin;
         var c9 = imports.c9;
         var ext = imports.ext;
+        var vfs = imports.vfs;
 
         /***** Initialization *****/
 
@@ -61,6 +62,9 @@ define(function(require, exports, module) {
             }
 
             if (!api) return callback(new Error("Client is offline"));
+            
+            if (!vfs.isIdle())
+                return vfs.connection.once("message", ping.bind(null, callback));
 
             var start = Date.now();
             api.ping("serverTime", function(err, response) {
diff --git a/plugins/c9.vfs.client/vfs_client.js b/plugins/c9.vfs.client/vfs_client.js
index 0fb2d9c6..9ca3bf84 100644
--- a/plugins/c9.vfs.client/vfs_client.js
+++ b/plugins/c9.vfs.client/vfs_client.js
@@ -329,6 +329,11 @@ define(function(require, exports, module) {
                 bufferedVfsCalls.push([method, path, options, callback]);
         }
         
+        function isIdle() {
+            return !Object.keys(connection.unacked).length &&
+                consumer && !Object.keys(consumer.callbacks || {}).length;
+        }
+        
         /***** Lifecycle *****/
         
         plugin.on("load", function(){
@@ -429,7 +434,9 @@ define(function(require, exports, module) {
             // Extending the API
             use: vfsCall.bind(null, "use"),
             extend: vfsCall.bind(null, "extend"),
-            unextend: vfsCall.bind(null, "unextend")
+            unextend: vfsCall.bind(null, "unextend"),
+            
+            isIdle: isIdle,
         });
         
         register(null, {