private void ContinueRequest(IPEndPoint dest, string PQ, object Tag, HTTPMessage MSG)
{
HTTPMessage r;
if (MSG == null)
{
r = new HTTPMessage();
r.Directive = "GET";
r.DirectiveObj = PQ;
if (dest.AddressFamily == AddressFamily.InterNetwork)
{
r.AddTag("Host", dest.ToString());
}
if (dest.AddressFamily == AddressFamily.InterNetworkV6)
{
r.AddTag("Host", "[" + RemoveIPv6Scope(dest.ToString()) + "]");
}
}
else
{
r = MSG;
}
lock (TagQueue)
{
IdleTimeout = false;
KeepAliveTimer.Remove(GetHashCode());
if ((PIPELINE == false && _PIPELINE == false) || (_PIPELINE == false))
{
HTTPRequest TR = new HTTPRequest();
TR.ProxySetting = ProxySetting;
TR._PIPELINE = true;
if (OnSniff != null)
{
TR.OnSniff += NonPipelinedSniffSink;
}
if (OnSniffPacket != null)
{
TR.OnSniffPacket += NonPipelinedSniffPacketSink;
}
TR.OnResponse += NonPipelinedResponseSink;
NotPipelinedTable[TR] = TR;
TR.PipelineRequest(dest, r, Tag);
return;
}
TagQueue.Enqueue(new StateData(r, dest, Tag, null));
IPAddress localif = IPAddress.Any;
if (dest.AddressFamily == AddressFamily.InterNetworkV6)
{
localif = IPAddress.IPv6Any;
}
if (s == null)
{
ReceivedFirstResponse = false;
if (ProxySetting != null)
{
s = new HTTPSession(new IPEndPoint(localif, 0),
ProxySetting,
CreateSink,
CreateFailedSink,
null);
}
else
{
s = new HTTPSession(new IPEndPoint(localif, 0),
dest,
CreateSink,
CreateFailedSink,
null);
}
}
else
{
if (s.IsConnected && ReceivedFirstResponse)
{
try
{
if (ProxySetting == null)
{
s.Send(r);
}
else
{
HTTPMessage pr = (HTTPMessage)r.Clone();
pr.DirectiveObj = "http://" + dest + pr.DirectiveObj;
pr.Version = "1.0";
s.Send(pr);
}
}
catch (Exception ex)
{
EventLogger.Log(ex);
}
}
}
}
}
/// <summary>
/// Searches for a SearchTarget Asynchronously
/// </summary>
/// <param name="SearchTarget">The Target</param>
public void FindDeviceAsync(String SearchTarget, IPEndPoint RemoteEP)
{
HTTPMessage request = new HTTPMessage();
request.Directive = "M-SEARCH";
request.DirectiveObj = "*";
request.AddTag("ST", SearchTarget);
request.AddTag("MX", MX.ToString());
request.AddTag("MAN", "\"ssdp:discover\"");
if (RemoteEP.AddressFamily == AddressFamily.InterNetwork)
{
request.AddTag("HOST", RemoteEP.ToString()); // "239.255.255.250:1900"
}
if (RemoteEP.AddressFamily == AddressFamily.InterNetworkV6)
{
request.AddTag("HOST", string.Format("[{0}]:{1}", RemoteEP.Address.ToString(), RemoteEP.Port)); // "[FF05::C]:1900"
}
byte[] buffer = UTF8Encoding.UTF8.GetBytes(request.StringPacket);
IPAddress[] LocalAddresses = NetInfo.GetLocalAddresses();
foreach (IPAddress localaddr in LocalAddresses)
{
try
{
UdpClient session = (UdpClient)SSDPSessions[localaddr];
if (session == null)
{
session = new UdpClient(new IPEndPoint(localaddr, 0));
session.EnableBroadcast = true;
session.BeginReceive(OnReceiveSink, session);
SSDPSessions[localaddr] = session;
}
if (RemoteEP.AddressFamily != session.Client.AddressFamily)
{
continue;
}
if ((RemoteEP.AddressFamily == AddressFamily.InterNetworkV6) && ((IPEndPoint)session.Client.LocalEndPoint).Address.IsIPv6LinkLocal && RemoteEP != Utils.UpnpMulticastV6EndPoint2)
{
continue;
}
if ((RemoteEP.AddressFamily == AddressFamily.InterNetworkV6) && ((IPEndPoint)session.Client.LocalEndPoint).Address.IsIPv6LinkLocal == false && RemoteEP != Utils.UpnpMulticastV6EndPoint1)
{
continue;
}
IPEndPoint lep = (IPEndPoint)session.Client.LocalEndPoint;
if (session.Client.AddressFamily == AddressFamily.InterNetwork)
{
session.Client.SetSocketOption(SocketOptionLevel.IP, SocketOptionName.MulticastInterface, localaddr.GetAddressBytes());
}
else if (session.Client.AddressFamily == AddressFamily.InterNetworkV6)
{
session.Client.SetSocketOption(SocketOptionLevel.IPv6, SocketOptionName.MulticastInterface, BitConverter.GetBytes((int)localaddr.ScopeId));
}
session.Send(buffer, buffer.Length, RemoteEP);
session.Send(buffer, buffer.Length, RemoteEP);
}
catch (Exception ex)
{
EventLogger.Log(this, EventLogEntryType.Error, "CP Failure: " + localaddr.ToString());
EventLogger.Log(ex);
}
}
}
