// This handles a receive event on a particular client socket that has
// connected. We read data from them and collect it into a string builder
// for use later.
public void ReadCallback(IAsyncResult ar)
{
try
{
// From the state of the event, get our the state object that wraps all
// of the information for this client, and then get the socket out of
// it.
BuildClient client = (BuildClient)ar.AsyncState;
Socket socket = client.socket;
// Perform the actual receive now; the result is the number of bytes
// read, which can conceivably be 0; we only need to worry about doing
// something if we actually got some data.
int bytesRead = socket.EndReceive(ar);
if (bytesRead == 0)
{
Console.WriteLine("Client closed connection");
return;
}
// Console.WriteLine("==> Read {0} bytes", bytesRead);
int bytesUsed = 0;
while (bytesUsed != bytesRead)
{
// Give some bytes to the current partial message so it can
// reconstruct itself.
bytesUsed += inMsg.GiveBytes(client.readBuffer, bytesRead, bytesUsed);
// If this message is complete, then echo it back to the other end
// and get ready for another received message.
if (inMsg.IsComplete())
{
client.Dispatch(inMsg);
inMsg = new PartialMessage();
}
}
// End by getting ready to read more data.
client.BeginReading();
}
catch (SocketException se)
{
Console.WriteLine("Socket Error: {0}", se.Message);
Console.WriteLine("Closing connection");
}
catch (Exception e)
{
Console.WriteLine(e.ToString());
}
}
