pre-trim leading comma, another string builder.

NwNsgProject/BlobTriggerIngestAndTransmit.cs

@@ -5,7 +5,7 @@ using Microsoft.WindowsAzure.Storage.Table;
 using System;
 using System.Linq;
 using System.Threading.Tasks;
-using System.Collections.Concurrent;
+using System.Text;
 
 namespace nsgFunc
 {
@@ -68,15 +68,21 @@ namespace nsgFunc
                 new StorageAccountAttribute(nsgSourceDataAccount)
             };
 
-            string nsgMessagesString;
+            string nsgMessagesString = "";
             try
             {
                 byte[] nsgMessages = new byte[dataLength];
-
+                
                 CloudBlockBlob blob = nsgDataBlobBinder.BindAsync<CloudBlockBlob>(attributes).Result;
                 await blob.DownloadRangeToByteArrayAsync(nsgMessages, 0, startingByte, dataLength);
 
-                nsgMessagesString = System.Text.Encoding.UTF8.GetString(nsgMessages);
+                if (nsgMessages[0] == ',')
+                {
+                    nsgMessagesString = System.Text.Encoding.UTF8.GetString(nsgMessages, 1, (int)(dataLength - 1));
+                } else
+                {
+                    nsgMessagesString = System.Text.Encoding.UTF8.GetString(nsgMessages);
+                }
             }
             catch (Exception ex)
             {

NwNsgProject/Util.cs

@@ -7,6 +7,7 @@ using System.Collections.Generic;
 using System.Net.Http;
 using System.Text;
 using System.Threading.Tasks;
+using Microsoft.CodeAnalysis.Formatting;
 
 namespace nsgFunc
 {
@@ -48,11 +49,23 @@ namespace nsgFunc
             }
 
             // skip past the leading comma
-            string trimmedMessages = nsgMessagesString.Trim();
-            int curlyBrace = trimmedMessages.IndexOf('{');
-            string newClientContent = "{\"records\":[";
-            newClientContent += trimmedMessages.Substring(curlyBrace);
-            newClientContent += "]}";
+            //string trimmedMessages = nsgMessagesString.Trim();
+            //int curlyBrace = trimmedMessages.IndexOf('{');
+            //string newClientContent = "{\"records\":[";
+            //newClientContent += trimmedMessages.Substring(curlyBrace);
+            //newClientContent += "]}";
+
+            StringBuilder sb = StringBuilderPool.Allocate();
+            string newClientContent = "";
+            try
+            {
+                sb.Append("{\"records\":[").Append(nsgMessagesString).Append("]}");
+                newClientContent = sb.ToString();
+            } 
+            finally
+            {
+                StringBuilderPool.Free(sb);
+            }
 
             //
             // newClientContent looks like this:

NwNsgProject/obSplunk.cs

@@ -68,7 +68,7 @@ namespace nsgFunc
                 {
                     throw new System.Exception("Sending to Splunk. Unplanned exception.", f);
                 }
-                    bytesSent += transmission.Length;
+                bytesSent += transmission.Length;
             }
             return bytesSent;
         }