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);
}
