private static void ReadCallback(IAsyncResult ar)
{
String content = String.Empty;
// Retrieve the state object and the handler socket
// from the asynchronous state object.
StateObject state = (StateObject) ar.AsyncState;
Socket handler = state.workSocket;
// Read data from the client socket.
int bytesRead = handler.EndReceive(ar);
if (bytesRead > 0)
{
// There might be more data, so store the data received so far.
state.sb.Append(Encoding.ASCII.GetString(
state.buffer,0,bytesRead));
// Check for end-of-file tag. If it is not there, read
// more data.
content = state.sb.ToString();
if (content.IndexOf(_endOfRequestString) > -1) {
// All the data has been read from the client.
// Raise an event in order to get a response for the client.
var eventArgs = new RequestReceivedEventArgs(content);
RaiseRequestReceived(eventArgs);
// Whoever subscribed needs to populate the response of the RequestReceivedEventArgs
Send(handler, eventArgs.Response);
} else {
// Not all data received. Get more.
handler.BeginReceive(state.buffer, 0, StateObject.BufferSize, 0,
new AsyncCallback(ReadCallback), state);
}
}
}
private static void RaiseRequestReceived(RequestReceivedEventArgs request)
{
var handler = RequestReceived;
if (handler != null)
{
handler(null, request);
}
}
static void Server_RequestReceived(object sender, RequestReceivedEventArgs e)
{
Console.WriteLine("Service received a request:");
Console.WriteLine(e.Request);
logServerMessage("Recieving service request :", e.Request);
var response = HandleRequest(e.Request);
Console.WriteLine("Service responding with:");
Console.WriteLine(response);
e.Response = response;
logServerMessage("Responding to service request :", e.Response);
}
