private void RecieveCallback(IAsyncResult ar)
{
RecieveStateObject state = (RecieveStateObject)ar.AsyncState;
string content = string.Empty;
if (!state.WorkSocket.Connected)
{
return;
}
int bytesRead = state.WorkSocket.EndReceive(ar);
if (bytesRead > 0)
{
state.sb.Append(Encoding.UTF8.GetString(state.buffer, 0, bytesRead));
content = state.sb.ToString();
int indexOfEOM = content.IndexOf("<EOM>");
while (indexOfEOM > -1)
{
String message = content.Substring(0, indexOfEOM); // Ignores EOM
HandleMessage(message);
content = content.Substring(indexOfEOM + 5); // Ignores EOM
indexOfEOM = content.IndexOf("<EOM>");
}
state.sb = new StringBuilder(content);
}
DoBeginRecieve(state);
}
private void StartRecieve(Socket s)
{
RecieveStateObject so = new RecieveStateObject();
so.WorkSocket = s;
DoBeginRecieve(so);
}
private void DoBeginRecieve(RecieveStateObject so)
{
if (!so.WorkSocket.Connected)
{
return;
}
try
{
so.WorkSocket.BeginReceive(so.buffer, 0, RecieveStateObject.BufferSize, 0, new AsyncCallback(RecieveCallback), so);
} catch (Exception ex) when(ex is SocketException || ex is ObjectDisposedException)
{
OnDisconnect();
MessageBox.Show("Other user was disconnected.");
}
}