public static Packet Decode(byte[] message, int length)
{
Packet lp = new Packet();
if (length == 0) return lp;
try
{
lp.From = BitConverter.ToInt32(message, (int)PacketOffset.source);
lp.To = BitConverter.ToInt32(message, (int)PacketOffset.dest);
lp.Intention = (MessageTypes)BitConverter.ToInt32(message, (int)PacketOffset.type);
}
catch (Exception) { lp.Intention = MessageTypes.UNKNOWN_MESSAGE; return lp; }
ASCIIEncoding encoder = new ASCIIEncoding();
lp.Data = encoder.GetString(message, (int)PacketOffset.message, length - (int)PacketOffset.message);
return lp;
}
void WaitSocket()
{
try
{
if (packetWorker == null)
{
packetWorker = new AsyncCallback(OnData);
}
Packet lp = new Packet();
// Start listening to the data asynchronously
socket.BeginReceive(lp.EncodedData,
0, lp.EncodedData.Length,
SocketFlags.None,
packetWorker,
lp);
}
catch (Exception e)
{
System.Diagnostics.Debugger.Log(0, "1", e.Message);
}
}
void WaitSocket(int numclient)
{
try
{
if (packetWorker == null)
{
// Specify the call back function which is to be
// invoked when there is any write activity by the
// connected client
packetWorker = new AsyncCallback(OnData);
}
Packet lp = new Packet(numclient);
Socket soc = client[numclient];
soc.BeginReceive(lp.EncodedData, 0,
lp.EncodedData.Length,
SocketFlags.None,
packetWorker,
lp);
}
catch (SocketException se)
{
System.Diagnostics.Debugger.Log(0, "1", se.Message);
}
}
public void SendPacket(Packet lp)
{
Socket sock = client[lp.To];
if ((sock == null) || !sock.Connected) return;
sock.Send(Packet.Encode(lp));
}
public void SendPacket(Packet lp)
{
if ((socket == null) || !socket.Connected) return;
try
{
socket.Send(Packet.Encode(lp),lp.EncodedData.Length, SocketFlags.None);
}
catch (Exception e)
{
System.Diagnostics.Debugger.Log(0, "1", e.Message);
}
}
public static byte[] Encode(Packet lp)
{
return Encode(lp.From, lp.To, lp.Intention, lp.Data);
}
public static Packet Decode(Packet lp, int length)
{
Packet np = Decode(lp.EncodedData, length);
return np;
}
public virtual void OnPacket(Packet lp) { }