/// <summary>
/// start accepting data for a specific client
/// </summary>
private void DataAccept(Socket sock)
{
ClientReference client = new ClientReference(sock);
lock (_clients)
{
_clients.Add(client);
}
try
{
//dispatch call into the proper thread
_context.Post(s =>
{
ClientConnected?.Invoke(client.Id);
}, null);
//ClientConnected?.Invoke(client.Id);
}
catch (Exception ex)
{
//dont trust user code
Console.WriteLine("Calling server ClientConnected event handler threw an exception");
}
try
{
//connection successful, so begin receiving data sent from client
sock.BeginReceive(client.Buffer, 0, client.Buffer.Length, SocketFlags.None, cbRxDone, client);
}
catch (Exception ex)
{
Console.WriteLine("DataAccept:BeginReceive " + ex.ToString());
}
}
private ClientReference GetClientById(Guid id)
{
ClientReference client = null;
lock (_clients)
{
client = _clients.Find(x => x.Id == id);
}
return(client);
}
/// <summary>
/// Data showed up from the client
/// </summary>
private void cbRxDone(IAsyncResult ar)
{
ClientReference client = (ClientReference)(ar.AsyncState);
try
{
client.BytesReceived = client.sock.EndReceive(ar);
ClientReference.TotalBytes += client.BytesReceived;
}
catch (Exception ex)
{
//set client up for removale
Console.WriteLine("cbRxDone:EndReceive " + ex.ToString());
client.BytesReceived = 0;
}
//Invoke(new delVoidClientReference(DataReceived), client);
DataReceived(client);
}
/// <summary>
/// Check if data is a complete package
/// </summary>
private void DataReceived(ClientReference client)
{
//remove client if it is required
if (client.BytesReceived == 0)
{
try
{
//dispatch call into the proper thread
_context.Post(s =>
{
ClientDisconnected?.Invoke(client.Id);
}, null);
//ClientDisconnected?.Invoke(client.Id);
}
catch (Exception ex)
{
//dont trust user code
Console.WriteLine("Calling server ClientDisconnected event handler threw an exception");
}
lock (_clients)
{
_clients.Remove(client);
}
return;
}
//LineSegment LS; //Getting ready for some Lines received
//List<LineSegment> lsList = new List<LineSegment>();
//Putting the memory stream pointer in the correct place
long lPos = client.ms.Position;
client.ms.Seek(0, SeekOrigin.End);
client.ms.Write(client.Buffer, 0, client.BytesReceived);
client.ms.Position = lPos;
do //Defragmenting copy pasta
{
long lStartPos = client.ms.Position;
try
{
object o = _bf.Deserialize(client.ms); //deserialize into object to check for types
if (o is BaseDataPackage)
{
//Data received is of the correct type
ClientReference.TotalRecieved++;
client.Recieved++;
//calls the method registered to handle this package
DataHandlers.CallMethod(_context, (o as BaseDataPackage), client.Id);
}
else
{
//what the heck was this type? Someone trying to break our server!
Console.WriteLine("unknown shiz");
}
}
catch (SerializationException)
{
//Get out of loop and wait for more data
Console.WriteLine("fragmentation of data");
client.ms.Position = lStartPos;
client.Fragments++; //increases the number of fragments that happened per connection
break;
}
}while (client.ms.Position < client.ms.Length);
//client.RecieveCalls++;
//display traffic information
//string s;
//if (ClientReference.TotalBytes < 1024)
// s = "Bytes RX'ed: B" + ClientReference.TotalBytes.ToString();
//else
// if (ClientReference.TotalBytes < 1048576)
// s = "Bytes RX'ed: kB" + (ClientReference.TotalBytes / 1024.0).ToString("f2");
//else
// if (ClientReference.TotalBytes < 1073741824)
// s = "Bytes RX'ed: MB" + (ClientReference.TotalBytes / 1048576.0).ToString("f2");
//else
// s = "Bytes RX'ed: MB" + (ClientReference.TotalBytes / 1073741824.0).ToString("f2");
//Text = "TolalBytes: " + s + " TotalFrames: " + CSam.TotalRecieved.ToString();
//all data in stream has been read, reset stream
if (client.ms.Position == client.ms.Length)
{
//reset the memory stream pointer and length
client.ms.Position = 0;
client.ms.SetLength(0);
Console.WriteLine("Resetting RX Memory stream");
}
try
{
//Receive more stuff!
client.sock.BeginReceive(client.Buffer, 0, client.Buffer.Length, SocketFlags.None, cbRxDone, client);
}
catch (Exception ex)
{
Console.WriteLine("DataReceived:BeginReceive at end " + ex.ToString());
}
}
