/// <summary>
/// Wątek zarządzający komunikacją
/// </summary>
/// <param name="cli"></param>
void ThreadWork(object cli)
{
Console.WriteLine("ComputationalThread has been started");
TcpClient _cli = null;
try
{
_cli = (TcpClient)cli;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
Thread.CurrentThread.Interrupt();
}
NetworkStream ns = _cli.GetStream();
// read data from stream
byte[] bytes = new byte[pack_len];
List<byte> lb = new List<byte>();
//string packet = "";
int read_bytes;
bool isFullMessage = false;
DateTime lstStarted = DateTime.Now;
TimeSpan lstTimeout = new TimeSpan(0, 0, 10);
do
{
read_bytes = ns.Read(bytes, 0, pack_len);
Console.WriteLine("received: " + read_bytes);
// add to list of partial read packet
lb.AddRange(bytes.Take(read_bytes).ToArray());
try
{
new XMLParser(lb.ToArray());
isFullMessage = true;
}
catch (Exception e)
{
isFullMessage = false;
}
//lb.Add(((byte[])bytes.Clone()));
}
while (!isFullMessage && (lstStarted + lstTimeout > DateTime.Now)); //(ns.DataAvailable);
// put all data in one byte array
//uint ps = 0;
//foreach (byte[] b in lb)
//ps += (uint)b.Length;
// whole packet
byte[] data = lb.ToArray();//new byte[ps];
// copy data
//int i = 0;
//foreach (byte[] b in lb)
// foreach (byte _b in b)
// data[i++] = _b;
// !!! CALL SERVER CONTEXT !!!
ConnectionContext cc = new ConnectionContext(Thread.CurrentThread);
if (ch != null)
{
ch(data, cc);
// ***********************
// waiting for event
// ***********************
//Thread.Sleep(Timeout.Infinite);
}
// interrupting by send method
// message to send
// test purposes
data = cc.GetMessage();
if (data != null)
//data = System.Text.Encoding.ASCII.GetBytes("invalid input");
ns.Write(data, 0, data.Length);
_cli.Close();
}
/// <summary>
/// Handler wywoływany przez klasę nasłuchującą.
/// </summary>
/// <param name="data">Odebrane dane w postaci binarnej.</param>
/// <param name="ctx">Kontekst połączenia. Można wysłać przez niego odpowiedź do klienta który wysłal dane</param>
private void ConnectionHandler(byte[] data, ConnectionContext ctx)
{
XMLParser parser;
try
{
parser = new XMLParser(data);
}
catch (Exception e)
{
debug.Print("Received invalid message!");
ctx.Send(null);
return;
}
MessageObject response = null;
switch (parser.MessageType)
{
case MessageTypes.Register:
debug.Print("Received 'Register' message.");
response = RegisterNewNode(parser.Message);
break;
case MessageTypes.SolveRequest:
debug.Print("Received 'SolveRequest' message.");
response = RegisterNewProblem(parser.Message);
break;
case MessageTypes.Status:
debug.Print("Received 'Status' message.");
response = UpdateAndGiveData(parser.Message);
break;
case MessageTypes.SolutionRequest:
debug.Print("Received 'SolutionRequest' message.");
response = SendSolution(parser.Message);
break;
case MessageTypes.SolvePartialProblems:
debug.Print("Received 'SolvePartialProblems' message.");
GetDividedProblem(parser.Message);
break;
case MessageTypes.Solutions:
debug.Print("Received 'Solutions' message.");
GetSolutions(parser.Message);
break;
}
ctx.Send(response == null ? null : response.GetXmlData());
}
