public void SingleStep()
{
byte[] data = transport.Receive();
if (data != null)
{
byte command = data[0];
float firstNum = BitConverter.ToSingle(data, 1);
float secondNum = BitConverter.ToSingle(data, 5);
Result = commandsTable[command](firstNum, secondNum);
Packet response = new Packet(0, Result);
byte[] returnData = response.GetData();
transport.Send(returnData);
}
}
private void RecvData(IAsyncResult asyncResult)
{
try {
byte[] data;
Packet recvData = new Packet(this.buffer);
IPEndPoint clients = new IPEndPoint(IPAddress.Any, 0);
EndPoint epSender = (EndPoint)clients;
serverSocket.EndReceiveFrom(asyncResult, ref epSender);
Console.WriteLine(recvData.Name + " " + recvData.Message);
Packet sendData = new Packet {
PacketType = recvData.PacketType,
Name = recvData.Name
};
switch (recvData.PacketType)
{
case PacketType.Message:
sendData.Message = $"{recvData.Name}: {recvData.Message}";
Console.WriteLine(sendData.Message);
break;
case PacketType.Login:
clientList.Add(new Client {
EndPoint = epSender,
Name = recvData.Name
});
sendData.Message = $"{recvData.Name} has connected!";
break;
case PacketType.Logout:
foreach (Client client in clientList)
{
if (client.EndPoint.Equals(epSender))
{
this.clientList.Remove(client);
break;
}
}
sendData.Message = $"{recvData.Name} has disconnected!";
break;
}
data = sendData.GetData();
foreach (Client client in clientList)
{
if (client.EndPoint != epSender) //broadcast message to a
{
serverSocket.BeginSendTo(data, 0, data.Length, SocketFlags.None, client.EndPoint, new AsyncCallback(this.SendData), client.EndPoint);
}
else
{
if (sendData.PacketType == PacketType.Login) // send Ack to client
{
var ackData = new Packet {
Message = "You have sucessfully connected to the server", Name = "Server", PacketType = PacketType.Null
}.GetData();
serverSocket.BeginSendTo(ackData, 0, ackData.Length, SocketFlags.None, client.EndPoint, new AsyncCallback(this.SendData), client.EndPoint);
}
}
}
serverSocket.BeginReceiveFrom(this.buffer, 0, this.buffer.Length, SocketFlags.None, ref epSender, new AsyncCallback(RecvData), epSender);
Console.WriteLine("sending: " + sendData.Message);
} catch (Exception excpt) {
Console.WriteLine(excpt);
}
}
