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
        public void GenerateForwardedRequest(SipMessageWriter writer, SipMessageReader reader, ArraySegment <byte> content, ConnectionAddresses fromConnectionAddress, int serverTransactionId)
        {
            //int? tag = HexEncoding.ParseHex8(reader.To.Tag);
            //var dialog2 = trunk.GetExternalDialog(tag);

            //if (dialog2 != null)
            //{
            //    this.tag = tag.Value;
            //    //this.dialog1 = dialog1;
            //    this.dialog2 = dialog2;
            //}

            Dialog dialog2 = null;

            if (HexEncoding.TryParseHex8(reader.To.Tag, out tag))
            {
                dialog2 = trunk.GetDialog2(tag);
            }
            else
            {
                tag = DialogManager.NewLocalTag();
            }

            dialog1 = new Dialog(reader, tag, fromConnectionAddress);
            trunk.AddDialog1(tag, dialog1);


            writer.WriteRequestLine(reader.Method, trunk.Transport.ToScheme(), reader.To.AddrSpec.User, trunk.Domain);

            //var msReceivedCid = fromConnectionAddress.ToLowerHexChars(serverTransactionId);
            //writer.WriteVia(trunk.ConnectionAddresses.Transport, trunk.ConnectionAddresses.LocalEndPoint, TransactionId, msReceivedCid);
            writer.WriteVia(trunk.ConnectionAddresses.Transport, trunk.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(trunk.LocalEndPoint, trunk.Transport, reader.Contact[0].SipInstance);
                    break;

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

                case HeaderNames.To:
                    writer.WriteTo2(reader.To.AddrSpec.User, trunk.Domain, (dialog2 != null) ? dialog2.RemoteTag : ByteArrayPart.Invalid);
                    break;

                case HeaderNames.From:
                    writer.WriteFrom(trunk.Uri, tag);
                    break;

                case HeaderNames.CSeq:
                    writer.WriteCseq(trunk.GetCSeq(reader.CSeq.Method, reader.CallId, reader.CSeq.Value), reader.CSeq.Method);
                    break;

                case HeaderNames.Authorization:
                case HeaderNames.ContentLength:
                case HeaderNames.Extension:
                    break;

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

            WriteAuthorization(writer, reader.Method, content);

            if (reader.Method == Methods.Invitem && reader.ContentType.Subtype.Equals(sdp))             // temp
            {
                content = Sip.Sdp.Helpers.CutCandidates(content);
            }

            writer.WriteContentLength(content.Count);
            writer.WriteCRLF();

            writer.Write(content);
        }
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);
        }
Ejemplo n.º 5
0
        public void GenerateForwardedResponse(SipMessageWriter writer, SipMessageReader reader, ArraySegment <byte> content, ConnectionAddresses ca)
        {
            writer.WriteStatusLine(reader.StatusCode);

            int recordRouteCount = reader.Count.RecordRouteCount;

            bool writeContact = true;

            for (int i = 1; i < reader.Count.ViaCount; i++)
            {
                writer.WriteHeader(HeaderNames.Via, reader.Via[i].Value);
            }

            for (int i = 0; i < reader.Count.HeaderCount; i++)
            {
                switch (reader.Headers[i].HeaderName)
                {
                case HeaderNames.Via:
                    break;

                case HeaderNames.Authorization:
                case HeaderNames.ProxyAuthorization:
                    // remove exact authorization header
                    break;

                case HeaderNames.Contact:
                    if (writeContact)
                    {
                        writer.WriteContact(reader.Contact[0].AddrSpec.User, ca.LocalEndPoint, ca.Transport, reader.Contact[0].SipInstance);
                        writeContact = false;
                    }
                    break;


                case HeaderNames.RecordRoute:
                {
                    recordRouteCount--;
                    if (recordRouteCount != recordRouteIndex)
                    {
                        goto default;
                    }

                    writer.WriteRecordRoute(ca.Transport, ca.LocalEndPoint);
                }
                break;

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

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

            writer.WriteCustomHeaders();
            writer.WriteCRLF();
            writer.Write(content);
        }
Ejemplo n.º 6
0
        public void GenerateForwardedRequest(SipMessageWriter writer, SipMessageReader reader, ArraySegment <byte> content, ConnectionAddresses fromConnectionAddress, int serverTransactionId)
        {
            Tracer.WriteInformation("LocalProxie.GenerateForwardedRequest");

            recordRouteIndex = reader.Count.RecordRouteCount;

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

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

            writer.WriteVia(binding.ConnectionAddresses.Transport, binding.ConnectionAddresses.LocalEndPoint, TransactionId);
            writer.WriteRecordRoute(binding.ConnectionAddresses.Transport, binding.ConnectionAddresses.LocalEndPoint);

            bool writeContact = true;

            for (int i = 0; i < reader.Count.HeaderCount; i++)
            {
                switch (reader.Headers[i].HeaderName)
                {
                case HeaderNames.MaxForwards:
                {
                    int maxForwards = (reader.MaxForwards == int.MinValue) ? 70 : reader.MaxForwards;
                    writer.WriteMaxForwards(maxForwards - 1);
                }
                break;

                case HeaderNames.Authorization:
                case HeaderNames.ProxyAuthorization:
                    // remove exact authorization header
                    break;

                case HeaderNames.To:
                    writer.WriteToHeader(reader, i, binding.Epid);
                    break;

                case HeaderNames.Contact:
                    if (writeContact)
                    {
                        writer.WriteContact(reader.Contact[0].AddrSpec.User, binding.ConnectionAddresses.LocalEndPoint, binding.ConnectionAddresses.Transport, reader.Contact[0].SipInstance);
                        writeContact = false;
                    }
                    break;

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

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

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

            writer.Write(content);
        }