Ejemplo n.º 1
0
        public void GenerateForwardedResponse(SipMessageWriter writer, SipMessageReader response, ArraySegment <byte> content, ConnectionAddresses ca)
        {
            //if (response.StatusCode.Is2xx && response.To.Tag.IsValid)
            //    trunk.AddDialogs(tag, new Dialog(response, ca), dialog2);

            if (response.CSeq.Method == Methods.Byem)
            {
                trunk.RemoveDialog1(tag);
                trunk.RemoveDialog2(tag);
            }


            writer.WriteStatusLine(response.StatusCode);

            for (int i = 0; i < response.Count.HeaderCount; i++)
            {
                switch (response.Headers[i].HeaderName)
                {
                case HeaderNames.Via:
                    writer.Write(SipMessageWriter.C.Via, SipMessageWriter.C.HCOLON, via);
                    writer.WriteCRLF();
                    break;

                case HeaderNames.WwwAuthenticate:
                case HeaderNames.ProxyAuthenticate:
                    break;

                case HeaderNames.To:
                    writer.WriteTo(dialog2.LocalUri, dialog2.LocalTag);
                    break;

                case HeaderNames.From:
                    writer.WriteFrom(dialog2.RemoteUri, dialog2.RemoteTag);
                    break;

                case HeaderNames.CSeq:
                    writer.WriteCseq(dialog2.RemoteCseq, response.CSeq.Method);
                    break;

                case HeaderNames.Contact:
                    writer.WriteContact(ca.LocalEndPoint, ca.Transport);
                    break;

                default:
                    writer.WriteHeader(response, i);
                    break;
                }
            }

            if (response.ContentLength == int.MinValue)
            {
                writer.WriteContentLength(content.Count);
            }

            writer.WriteCustomHeaders();
            writer.WriteCRLF();
            writer.Write(content);
        }
Ejemplo n.º 2
0
        public void GenerateForwardedRequest(SipMessageWriter writer, SipMessageReader reader, ArraySegment <byte> content, ConnectionAddresses fromConnectionAddress, int serverTransactionId)
        {
            dialog2 = new Dialog(reader, tag, fromConnectionAddress);
            //trunk.AddDialog2(tag, dialog2);

            /////////////////////////////////////////////////////////////////////////////////

            writer.WriteRequestLine(reader.Method, dialog1.RemoteUri);

            //var msReceivedCid = fromConnectionAddress.ToLowerHexChars(serverTransactionId);
            //writer.WriteVia(dialog1.Transport, dialog1.LocalEndPoint, TransactionId, msReceivedCid);
            writer.WriteVia(dialog1.Transport, dialog1.LocalEndPoint, TransactionId);

            for (int i = 0; i < reader.Count.HeaderCount; i++)
            {
                switch (reader.Headers[i].HeaderName)
                {
                case HeaderNames.MaxForwards:
                    writer.WriteMaxForwards((reader.MaxForwards == int.MinValue) ? 69 : reader.MaxForwards - 1);
                    break;

                case HeaderNames.Contact:
                    writer.WriteContact(dialog1.LocalEndPoint, dialog1.Transport);
                    break;

                case HeaderNames.To:
                    writer.WriteTo(dialog1.RemoteUri, dialog1.RemoteTag);
                    break;

                case HeaderNames.From:
                    writer.WriteFrom(reader.From.AddrSpec.Value, tag);
                    break;

                case HeaderNames.Authorization:
                    break;

                default:
                    writer.WriteHeader(reader, i);
                    break;

                case HeaderNames.Via:
                    via = reader.Headers[i].Value.DeepCopy();
                    break;
                }
            }

            if (reader.ContentLength == int.MinValue)
            {
                writer.WriteContentLength(content.Count);
            }

            writer.WriteCustomHeaders();
            writer.WriteCRLF();

            writer.Write(content);
        }
Ejemplo n.º 3
0
        private void SendNotify(Dialog dialog, int expires, PresenceDocument document)
        {
            int transactionId = GetTransactionId(Methods.Notifym);

            var writer = new SipMessageWriter();

            writer.WriteRequestLine(Methods.Notifym, dialog.RemoteUri);
            writer.WriteVia(dialog.Transport, dialog.LocalEndPoint, transactionId);
            writer.WriteFrom(dialog.LocalUri, dialog.LocalTag);
            writer.WriteTo(dialog.RemoteUri, dialog.RemoteTag);
            writer.WriteCallId(dialog.CallId);
            writer.WriteEventPresence();
            writer.WriteSubscriptionState(expires);
            writer.WriteMaxForwards(70);
            writer.WriteCseq(dialog.GetNextLocalCseq(), Methods.Notifym);
            writer.WriteContact(dialog.LocalEndPoint, dialog.Transport);

            if (document != null)
            {
                writer.WriteContentType(application, pidfXml);
                //writer.WriteContentLength();
                //writer.WriteCRLF();

                //writer.RewriteContentLength(
                //    document.CopyTo((length) => writer.GetBytesForCustomWrite(length)));

                document.WriteLenghtAndContent(writer);
            }
            else
            {
                writer.WriteContentLength(0);
                writer.WriteCRLF();
            }

            notifyProducer.SendRequest(dialog.Transport, dialog.LocalEndPoint,
                                       dialog.RemoteEndPoint, ServerAsyncEventArgs.AnyConnectionId, writer, transactionId);
        }
Ejemplo n.º 4
0
        public void GenerateForwardedRequest(SipMessageWriter writer, SipMessageReader reader, ArraySegment <byte> content, ConnectionAddresses fromConnectionAddress, int serverTransactionId)
        {
            //dialog2 = new Dialog(reader, fromTag, fromConnectionAddress);

            Dialog dialog1 = null;

            if (HexEncoding.TryParseHex8(reader.To.Tag, out tag))
            {
                dialog1 = trunk.GetDialog1(tag);
            }
            else
            {
                tag = DialogManager.NewLocalTag();
            }

            dialog2 = new Dialog(reader, tag, fromConnectionAddress);
            trunk.AddDialog2(tag, dialog2);

            /////////////////////////////////////////////////////////////////////////////////

            writer.WriteRequestLine(reader.Method, binding.AddrSpec);

            //var msReceivedCid = fromConnectionAddress.ToLowerHexChars(serverTransactionId);
            //writer.WriteVia(binding.ConnectionAddresses.Transport, binding.ConnectionAddresses.LocalEndPoint, TransactionId, msReceivedCid);
            writer.WriteVia(binding.ConnectionAddresses.Transport, binding.ConnectionAddresses.LocalEndPoint, TransactionId);

            for (int i = 0; i < reader.Count.HeaderCount; i++)
            {
                switch (reader.Headers[i].HeaderName)
                {
                case HeaderNames.MaxForwards:
                    writer.WriteMaxForwards((reader.MaxForwards == int.MinValue) ? 69 : reader.MaxForwards - 1);
                    break;

                case HeaderNames.Contact:
                    writer.WriteContact(binding.ConnectionAddresses.LocalEndPoint, binding.ConnectionAddresses.Transport);
                    break;

                case HeaderNames.To:
                    writer.WriteTo(trunk.ForwardCallToUri, (dialog1 != null) ? dialog1.RemoteTag : ByteArrayPart.Invalid);
                    break;

                case HeaderNames.From:
                    writer.WriteFrom(reader.From.AddrSpec.Value, tag);
                    break;

                case HeaderNames.Authorization:
                    break;

                default:
                    writer.WriteHeader(reader, i);
                    break;

                case HeaderNames.Via:
                    via = reader.Headers[i].Value.DeepCopy();
                    break;
                }
            }

            if (reader.ContentLength == int.MinValue)
            {
                writer.WriteContentLength(content.Count);
            }

            writer.WriteCustomHeaders();
            writer.WriteCRLF();

            writer.Write(content);
        }