Initial Commit

Library/PackageCache/com.unity.multiplayer.mlapi@3e3aef6aa0/Runtime/Messaging/MessagePacker.cs

@@ -0,0 +1,43 @@
+using MLAPI.Logging;
+using MLAPI.Serialization;
+using MLAPI.Configuration;
+using MLAPI.Serialization.Pooled;
+
+namespace MLAPI.Internal
+{
+    internal static class MessagePacker
+    {
+        // This method is responsible for unwrapping a message, that is extracting the messagebody.
+        internal static NetworkBuffer UnwrapMessage(NetworkBuffer inputBuffer, out byte messageType)
+        {
+            using (var inputHeaderReader = PooledNetworkReader.Get(inputBuffer))
+            {
+                if (inputBuffer.Length < 1)
+                {
+                    if (NetworkLog.CurrentLogLevel <= LogLevel.Normal) NetworkLog.LogError("The incoming message was too small");
+                    messageType = NetworkConstants.INVALID;
+
+                    return null;
+                }
+
+                messageType = inputHeaderReader.ReadByteDirect();
+
+                // The input stream is now ready to be read from. It's "safe" and has the correct position
+                return inputBuffer;
+            }
+        }
+
+        internal static NetworkBuffer WrapMessage(byte messageType, NetworkBuffer messageBody)
+        {
+            var outStream = PooledNetworkBuffer.Get();
+
+            using (var outWriter = PooledNetworkWriter.Get(outStream))
+            {
+                outWriter.WriteByte(messageType);
+                outStream.Write(messageBody.GetBuffer(), 0, (int)messageBody.Length);
+            }
+
+            return outStream;
+        }
+    }
+}