From 087e337202002a6496b08a0f277cf4a426c58c11 Mon Sep 17 00:00:00 2001
From: Lennart Kats <lclkats@gmail.com>
Date: Thu, 16 Apr 2015 10:28:30 +0200
Subject: [PATCH 1/2] Improve getServers() logging

---
 plugins/c9.vfs.client/endpoint.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/plugins/c9.vfs.client/endpoint.js b/plugins/c9.vfs.client/endpoint.js
index 3bd55ca3..6da0c793 100644
--- a/plugins/c9.vfs.client/endpoint.js
+++ b/plugins/c9.vfs.client/endpoint.js
@@ -97,7 +97,9 @@ define(function(require, exports, module) {
         function getVfsEndpoint(version, callback) {
             getServers(function(err, _servers) {
                 if (err) {
-                    errorHandler.reportError(err);
+                    if (err.code !== "EDISCONNECT")
+                        errorHandler.reportError(new Error("Could not get list of VFS servers"), { cause: err });
+                    metrics.increment("vfs.failed.connect_getservers", 1, true);
                     initDefaultServers();
                     _servers = servers;
                 }

From 383bd952310f4fdd2b64660bca26c82ea7b47826 Mon Sep 17 00:00:00 2001
From: Lennart Kats <lclkats@gmail.com>
Date: Thu, 16 Apr 2015 10:32:22 +0200
Subject: [PATCH 2/2] Add preview failed metric

---
 plugins/c9.preview/preview.handler.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/plugins/c9.preview/preview.handler.js b/plugins/c9.preview/preview.handler.js
index c307b04b..2a852a64 100644
--- a/plugins/c9.preview/preview.handler.js
+++ b/plugins/c9.preview/preview.handler.js
@@ -5,7 +5,8 @@ define(function(require, exports, module) {
         "connect.render",
         "connect.render.ejs",
         "connect.redirect",
-        "connect.static"
+        "connect.static",
+        "metrics"
     ];
     main.provides = ["preview.handler"];
     return main;
@@ -15,6 +16,7 @@ define(function(require, exports, module) {
         var https = require("https");
         var http = require("http");
         var mime = require("mime");
+        var metrics = imports.metrics;
         var parseUrl = require("url").parse;
         var debug = require("debug")("preview");
         
@@ -167,6 +169,7 @@ define(function(require, exports, module) {
                     else
                         serveFile(request);
                 }).on("error", function(err) {
+                    metrics.increment("preview.failed.error");
                     next(err); 
                 });