/**
* This method will be called when a client/browser makes a request. We will pass on
* required information to the hosting API from this method
*/
private void ContextReceivedCallback(IAsyncResult asyncResult)
{
//Check if listener is listening other wise return
if (!m_HttpListener.IsListening)
{
return;
}
//Get the context
HttpListenerContext listenerContext = m_HttpListener.EndGetContext(asyncResult);
//Lets get the Listener listening for the next request
m_HttpListener.BeginGetContext(new AsyncCallback(ContextReceivedCallback), null);
//If No AspNetEngine was configured, just respond with 404
if (m_AspNetEngine == null)
{
listenerContext.Response.StatusCode = 404;
listenerContext.Response.Close();
return;
}
//Retrieve the URL requested
String pageRequested = listenerContext.Request.Url.LocalPath;
//Remove the "/alias" from the begining page request as we just need to
//pass the file and the query out to the Application Host
pageRequested = AspxVirtualRoot.RemoveAliasFromRequest(pageRequested, m_AspNetEngine.VirtualAlias);
//Prepare the DataHolder object that will be passed on for processing
AspxRequestInfo dataHolder = AspxNetEngine.PrepareAspxRequestInfoObject(listenerContext);;
//Look for Client Certificate if it has any
if (listenerContext.Request.IsSecureConnection)
{
dataHolder.m_ClientCertificate = listenerContext.Request.GetClientCertificate();
Console.WriteLine("Client certificate received.");
}
try
{
//Pass the request to the Hosted application
m_AspNetEngine.ExecutingAppDomain.ProcessRequest(pageRequested, listenerContext.Request.Url.Query.Replace("?", ""), dataHolder);
}
catch (AspxException aspxException)
{
//Error occured.Log it and move on
Console.WriteLine(aspxException);
}
Console.WriteLine(listenerContext.Request.Url.LocalPath + "... " +
listenerContext.Response.StatusCode + " " + listenerContext.Response.StatusDescription);
//Finally close the response or else the client will time out
listenerContext.Response.Close();
}
/**
* HttpListenerContext is not Marshallable and so we have an Marshallable object
* that will contain all required objects that we need to pass on to our
* implementation of SimpleWorkerRequest so we can handle PUT/POST and
* Client Certificate requests. If any other object from HttpListenerContext class
* is required and that Object extends MarshallByRefObject add it to the data holder
* object here
*/
public static AspxRequestInfo PrepareAspxRequestInfoObject(HttpListenerContext context)
{
AspxRequestInfo dataHolder = new AspxRequestInfo();
dataHolder.m_CookieCollection = context.Request.Cookies;
dataHolder.m_Headers = context.Request.Headers;
dataHolder.m_RequestStream = context.Request.InputStream;
dataHolder.m_ResponseStream = context.Response.OutputStream;
dataHolder.m_UserAgent = context.Request.UserAgent;
dataHolder.m_HttpMethod = context.Request.HttpMethod;
dataHolder.m_ResponseStreamAsWriter = new StreamWriter(context.Response.OutputStream);
return(dataHolder);
}
//Will be called when an ASPX page is to be served.
public void ProcessRequest(String page, string query, AspxRequestInfo dataHolder)
{
Console.WriteLine("Request received for File {0} under alias {1}", page, this.m_VirtualAlias);
//catch the exception so we dont bring down the whole app
try
{
AspxPage swr = new AspxPage(page, query, dataHolder);
HttpRuntime.ProcessRequest(swr);
}
catch (Exception e1)
{
Console.WriteLine("Error:\n" + e1.ToString());
//Supress the internal exception. If needed we can pass the exception back
dataHolder.ResponseStreamAsWriter.WriteLine("500 Internal Error.");
throw new AspxException(Resources.internalError, e1);
}
finally
{
//Flush the response stream so that the Browser/calling application doesnt time out
dataHolder.ResponseStreamAsWriter.Flush();
Console.WriteLine("Done serving Response");
}
}
public AspxPage(String page, String query, AspxRequestInfo dataHolder) : base(page, query, dataHolder.ResponseStreamAsWriter)
{
m_EngineDataHolder = dataHolder;
}
