public void SendData(object dataToSend, bool dontWait = false)
{
var data = DataConverter.SerializeData(dataToSend);
//Add size to vegin of the array
var dataSize = (short)data.Length;
DataConverter.FromInt(dataSize, out var byte1, out var byte2, out var byte3, out var byte4);
// Add data size to the beginning
data = DataConverter.MergeByteArrays(new byte[] { byte1, byte2, byte3, byte4 }, data);
try
{
if (!dontWait)
{
//Begin sending file
ClientReceiveDone.WaitOne(7000);
ClientReceiveDone.Reset();
}
HandledSocket.BeginSend(data, 0, data.Length, 0, new AsyncCallback(SendCallback), null);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Disconnect();
}
}
public void ReceiveData()
{
try
{
HandledSocket.BeginReceive(Buffer, 0, BufferSize, 0, new AsyncCallback(ReceiveCallback), null);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Disconnect();
}
}
public void Disconnect()
{
HandledSocket.Close();
HandledSocket.Dispose();
ClientDisconnected?.Invoke(this);
//Set user status to offline
if (UserInfo != null)
{
HandleCommand(new Command(CommandType.SignOut, null, UserInfo));
}
}
void SendCallback(IAsyncResult ar)
{
try
{
//Complate sending data
int bytesSent = HandledSocket.EndSend(ar);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Disconnect();
}
}
void ReceiveCallback(IAsyncResult ar)
{
int bytesRead;
// If user disconects than we will catch that
try
{
//Read data from the client socket
bytesRead = HandledSocket.EndReceive(ar);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Disconnect();
return;
}
if (bytesRead > 0)
{
//Check lable and resume sending
if (Encoding.Default.GetString(Buffer).Contains("<EndOfReceiving>"))
{
ClientReceiveDone.Set();
ReceiveData();
return;
}
//If it's first portion of data
if (BinReceivedData.Count == 0)
{
//get data size
dataSize = DataConverter.ToInt(Buffer[0], Buffer[1], Buffer[2], Buffer[3]) + 4;
}
//Delete size of received data
dataSize -= Buffer.Length;
if (dataSize <= 0)
{
//Separate data from dummy bytes
byte[] temp = new byte[dataSize + Buffer.Length];
Array.Copy(Buffer, 0, temp, 0, dataSize + Buffer.Length);
//Copy buffer to bin recieved data
BinReceivedData.AddRange(temp);
//Remove first 2 bytes(size of data)
BinReceivedData.RemoveRange(0, 4);
//Send signal to resume receiving
SendData("<EndOfReceiving>", true);
HandleCommand();
ReceiveData();
}
else
{
//Copy buffer to bin recieved data
BinReceivedData.AddRange(Buffer);
ReceiveData();
}
}
}
