private static void processAccepted (Socket socket, EndPointListener listener)
{
HttpConnection conn = null;
try {
conn = new HttpConnection (socket, listener);
lock (listener._unregisteredSync)
listener._unregistered[conn] = conn;
conn.BeginReadRequest ();
}
catch {
if (conn != null) {
conn.Close (true);
return;
}
socket.Close ();
}
}
/// <summary>
/// Connects to the server specified by the endpoint, sends the request and waits for a response.
/// </summary>
/// <param name="ep">The address:port of the server</param>
/// <param name="request">The request to send</param>
/// <param name="exception">Any exception that is throw or encountered during the request/response session with the server</param>
/// <param name="verbose">A flag that indicates the connection's verbosity level, true for more messages</param>
/// <returns></returns>
public static HttpResponse GetResponse(
IPEndPoint ep,
HttpRequest request,
out Exception exception,
bool verbose,
EventHandler<HttpMessageProgressEventArgs> onSendProgress,
EventHandler<HttpMessageProgressEventArgs> onRecvProgress,
object stateObject)
{
#region Params Validation
if (ep == null)
throw new ArgumentNullException("ep");
if (request == null)
throw new ArgumentNullException("request");
exception = null;
#endregion
// define a connection for this request/response session
HttpConnection connection = null;
try
{
// create a connection to the remote end point
connection = new HttpConnection(ep, false, verbose, HttpOptions.SendTimeout, HttpOptions.RecvTimeout);
// return a response from the server
return HttpRequest.GetResponse(connection, request, out exception, onSendProgress, onRecvProgress, stateObject);
}
catch (ThreadAbortException)
{
}
catch(Exception ex)
{
//Debug.WriteLine(ex);
exception = ex;
}
finally
{
// always try and close the connect up afterwards
if (connection != null)
connection.Close();
}
return null;
}
public void HttpConnection_Receive_Fail()
{
EnhancedSocket sockListen = null;
EnhancedSocket sockAccept = null;
HttpConnection con;
HttpRequest request;
HttpResponse response;
TimeSpan orgTimeout;
IAsyncResult ar;
orgTimeout = HttpStack.TimeoutSweepInterval;
HttpStack.TimeoutSweepInterval = TimeSpan.FromMilliseconds(250);
sockListen = new EnhancedSocket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sockListen.Bind(new IPEndPoint(IPAddress.Any, ServerPort));
sockListen.Listen(10);
try
{
ar = sockListen.BeginAccept(null, null);
con = new HttpConnection(HttpOption.None);
con.Connect("http://localhost:" + ServerPort.ToString());
sockAccept = sockListen.EndAccept(ar);
request = new HttpRequest("GET", "/foo.htm", null);
request["Content-Length"] = request.Content.Size.ToString();
ar = con.BeginQuery(request, DateTime.MaxValue, null, null);
Thread.Sleep(100);
sockAccept.Close();
sockAccept = null;
try
{
response = con.EndQuery(ar);
Assert.Fail();
}
catch
{
}
Assert.IsTrue(con.IsClosed);
con.Close();
}
finally
{
HttpStack.TimeoutSweepInterval = orgTimeout;
if (sockListen != null)
{
sockListen.Close();
}
if (sockAccept != null)
{
sockAccept.Close();
}
}
}
private static void onAccept (object sender, EventArgs e)
{
var args = (SocketAsyncEventArgs) e;
var listener = (EndPointListener) args.UserToken;
Socket accepted = null;
if (args.SocketError == SocketError.Success) {
accepted = args.AcceptSocket;
args.AcceptSocket = null;
}
try {
listener._socket.AcceptAsync (args);
}
catch {
if (accepted != null)
accepted.Close ();
return;
}
if (accepted == null)
return;
HttpConnection conn = null;
try {
conn = new HttpConnection (accepted, listener);
lock (((ICollection) listener._unregistered).SyncRoot)
listener._unregistered [conn] = conn;
conn.BeginReadRequest ();
}
catch {
if (conn != null) {
conn.Close (true);
return;
}
accepted.Close ();
}
}
private HttpResponse Navigate(HttpRequest request, HttpBehavior httpBehavior)
{
bool ContinueRedirect = true;
HttpResponse response = null;
HttpConnectionFactory connFactory = new HttpConnectionFactory();
HttpConnection connection = connFactory.GetConnnection(request.Uri, this.m_proxy);
connection.Timeout = Timeout;
HttpBehavior.RedirectStep rs = null;
string redirectUri = null;
int responseCode = 0;
int redirectCounter = 0;
try {
while (ContinueRedirect)
{
try {
response = SendRequestAndGetResponse(connection, request);
redirectUri = response.Location;
responseCode = response.ResponseCode;
// response code 100 means that we need to wait for another response
// and receive the response from the socket again on the same connection
if (responseCode == 100)
{
response = GetResponse(connection);
redirectUri = response.Location;
responseCode = response.ResponseCode;
}
if (httpBehavior != null)
{
rs = httpBehavior.GetNextStep();
rs.Compare(responseCode, redirectUri);
ContinueRedirect = !httpBehavior.IsEmpty();
}
else
{
ContinueRedirect = (redirectCounter < this.m_maxRedirects && (responseCode == 301 || responseCode == 302));
redirectCounter++;
}
if (ContinueRedirect)
{
request = new HttpGet(new Uri(redirectUri));
// make sure the connection is still open and redirect url is from the same host
connection = connFactory.GetConnnection(request.Uri, this.m_proxy, connection);
connection.Timeout = Timeout;
}
} catch (Exception ex) {
int i = 0;
throw ex;
}
}
} finally {
connection.Close();
}
return(response);
}
