private NetworkFrame receiveNetworkFrame(int timeout = 10000)
{
NetworkFrame nf = new NetworkFrame();
socket.ReceiveTimeout = timeout;
try
{
int rec = socket.Receive(nf.Code);
if (rec.Equals(0))
{
throw new Exception("Not responding");
}
if (nf.needMoreData())
{
rec = 0;
while (rec < 4)
{
rec += socket.Receive(nf.Size, rec, 4 - rec, SocketFlags.None);
}
nf.nSize = IPAddress.NetworkToHostOrder(nf.nSize);
if (nf.nSize > 10000)
{
throw new Exception("File too big");
}
nf.Data = new byte[nf.nSize];
rec = 0;
while (rec < nf.nSize)
{
rec += socket.Receive(nf.Data, rec, nf.nSize - rec, SocketFlags.None);
}
Console.WriteLine("FROM " + socket.RemoteEndPoint + ": Code=" + nf.eCode + " Size=" + nf.nSize);
if (nf.nSize < 100)
{
Console.Write(" Data=" + nf.sData);
}
Console.Write("\n");
}
else
{
Console.WriteLine("FROM " + socket.RemoteEndPoint + ": Code=" + nf.eCode);
}
return(nf);
}
catch (SocketException se)
{
throw new SocketException(se.ErrorCode);
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
public void sendCmd(Command cmd, int timeout = 0)
{
NetworkFrame nf = cmd.toNetworkFrame();
socket.SendTimeout = timeout;
try
{
int sent = socket.Send(nf.Code);
if (sent.Equals(0))
{
throw new Exception("Not responding");
}
if (nf.needMoreData())
{
sent = 0;
int hSize = nf.nSize;
nf.nSize = IPAddress.HostToNetworkOrder(nf.nSize);
do
{
sent += socket.Send(nf.Size, sent, 4 - sent, SocketFlags.None);
} while (sent < 4);
//int hSize = IPAddress.NetworkToHostOrder(nf.nSize);
sent = 0;
do
{
sent += socket.Send(nf.Data, sent, hSize - sent, SocketFlags.None);
} while (sent < hSize);
Console.Write(" TO " + socket.RemoteEndPoint + ": Code=" + nf.eCode + " Size=" + hSize);
if (hSize < 100)
{
Console.Write(" Data=" + nf.sData);
}
Console.Write("\n");
}
else
{
Console.WriteLine(" TO " + socket.RemoteEndPoint + ": Code=" + nf.eCode);
}
}
catch (SocketException se)
{
throw new SocketException(se.ErrorCode);
}
catch (Exception e)
{
throw new Exception(e.Message);
}
}
