[server] Write buffer concatenation method

PixelHub-Client/PixelMessage.cpp

@@ -20,6 +20,8 @@ PixelMessage::PixelMessage(byte* rawMessage) : PixelMessage()
   MessageType = *(static_cast<unsigned short*>(static_cast<void*>(rawMessage + 2)));
   MessageId = *(static_cast<unsigned int*>(static_cast<void*>(rawMessage + 4)));
   MessageLength = *(static_cast<unsigned int*>(static_cast<void*>(rawMessage + 8)));
+
+  // TODO: Sort out the payload here.
 }
 
 PixelMessage::~PixelMessage()

PixelHub-Server/PixelHub/SBRL.Utilities/Utilities.cs

@@ -32,6 +32,20 @@ namespace SBRL.Utilities
 			["\n"] = @"\n",
 			["\t"] = @"\t"
 		};
+
+		/// <summary>
+		/// Concatenates a pair of buffers into a single long buffer.
+		/// </summary>
+		/// <param name="A">The first buffer to concatenate.</param>
+		/// <param name="B">The second buffer to concatenate.</param>
+		/// <returns>The concatenated buffers.</returns>
+		public static byte[] ConcatBuffers(byte[] A, byte[] B)
+		{
+			byte[] result = new byte[A.Length + B.Length];
+			Buffer.BlockCopy(A, 0, result, 0, A.Length);
+			Buffer.BlockCopy(B, 0, result, A.Length, B.Length);
+			return result;
+		}
 	}
 }