Common/Message.cs

using System;
using System.Text;

namespace Common {
        
        /************************************************************************/
        public abstract class Message {
                public abstract byte[] RawData {
                        get;
                }



                protected MessageType type;
                protected ushort destination;

                public ushort source;




                public MessageType Type {
                        get { return type; }
                        set { type = value; }
                }

                public ushort Destination {
                        get { return destination; }
                        set { destination = value; }
                }

                public bool isLowPriority = false;




                public Message() {}

                public Message(MessageType type) {
                        this.type = type;
                }

                public byte[] ToByteArray() {
                        byte[] dataBuffer = RawData;
                        byte[] resultBuffer = new byte[dataBuffer.Length + 1]; 
                        resultBuffer[0] = (byte)Type;
                        Array.Copy(dataBuffer, 0, resultBuffer, 1, dataBuffer.Length);
                        return resultBuffer;
                }
        }

        /************************************************************************/
        public enum MessageType : byte { 
                Noop,
                Retransmission,
                String,
                HTTPRequest,
                HTTPResponse,
                NoChange,
                CacheIndex,
                CacheUpdateNoChange,
                CacheUpdateHTTPResponse,
                Chunk,
                CacheIndexRequest,
        }
        

        public interface IContainsCallback {
                int CallbackReceipt {
                        get;
                }
        }
}

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