Пример #1
0
        private void OnReceiveSink(IAsyncResult result)
        {
            byte[]     buffer;
            IPEndPoint ep = null;

            object[]   args    = (object[])result.AsyncState;
            UdpClient  session = (UdpClient)args[0];
            IPEndPoint local   = (IPEndPoint)args[1];

            try
            {
                buffer = session.EndReceive(result, ref ep);
                try
                {
                    HTTPMessage Packet = HTTPMessage.ParseByteArray(buffer, 0, buffer.Length);
                    if (Packet != null)
                    {
                        Packet.LocalEndPoint  = local;
                        Packet.RemoteEndPoint = ep;
                        ProcessPacket(Packet, Packet.RemoteEndPoint, local);
                    }
                }
                catch (Exception ex)
                {
                    EventLogger.Log(ex);
                }
                session.BeginReceive(OnReceiveSink, args);
            }
            catch (Exception ex)
            {
                EventLogger.Log(ex);
                sessions.Remove(local.Address);
            }
        }
Пример #2
0
        private void OnReceiveSink2(byte[] buffer, IPEndPoint remote, IPEndPoint local)
        {
            HTTPMessage msg;

            try
            {
                msg = HTTPMessage.ParseByteArray(buffer, 0, buffer.Length);
            }
            catch (Exception ex)
            {
                EventLogger.Log(ex);
                msg              = new HTTPMessage();
                msg.Directive    = "---";
                msg.DirectiveObj = "---";
                msg.BodyBuffer   = buffer;
            }
            msg.LocalEndPoint  = local;
            msg.RemoteEndPoint = remote;

            DText parser = new DText();

            String Location = msg.GetTag("Location");
            int    MaxAge   = 0;
            String ma       = msg.GetTag("Cache-Control").Trim();

            if (ma != "")
            {
                parser.ATTRMARK = ",";
                parser.MULTMARK = "=";
                parser[0]       = ma;
                for (int i = 1; i <= parser.DCOUNT(); ++i)
                {
                    if (parser[i, 1].Trim().ToUpper() == "MAX-AGE")
                    {
                        MaxAge = int.Parse(parser[i, 2].Trim());
                        break;
                    }
                }
            }
            ma = msg.GetTag("USN");
            String USN = ma.Substring(ma.IndexOf(":") + 1);
            String ST  = msg.GetTag("ST");

            if (USN.IndexOf("::") != -1)
            {
                USN = USN.Substring(0, USN.IndexOf("::"));
            }
            EventLogger.Log(this, EventLogEntryType.SuccessAudit, msg.RemoteEndPoint.ToString());
            if (OnSearch != null)
            {
                OnSearch(msg.RemoteEndPoint, msg.LocalEndPoint, new Uri(Location), USN, ST, MaxAge);
            }
        }