private void GenerateRequest(SipMessageWriter writer, SipMessageReader reader, Methods method) { writer.WriteRequestLine(method, binding.AddrSpec); writer.WriteVia(ToConnectionAddresses.Transport, ToConnectionAddresses.LocalEndPoint, TransactionId); for (int i = 0; i < reader.Count.HeaderCount; i++) { switch (reader.Headers[i].HeaderName) { case HeaderNames.From: case HeaderNames.CallId: writer.WriteHeader(reader, i); break; case HeaderNames.To: writer.WriteToHeader(reader, i, binding.Epid); break; } } writer.WriteMaxForwards(70); writer.WriteCseq(reader.CSeq.Value, method); writer.WriteContentLength(0); writer.WriteCustomHeaders(); writer.WriteCRLF(); }
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); }