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);
}
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);
}
else
{
if (response.StatusCode.Is2xx && response.To.Tag.IsValid)
trunk.AddDialog1(tag, new Dialog(response, binding.ConnectionAddresses)); //ca));
if (response.StatusCode.Is2xx == false && response.StatusCode.Is1xx == false)
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);
}
private void GenerateRequest(SipMessageWriter writer, SipMessageReader reader, Methods method)
{
writer.WriteRequestLine(method, trunk.ForwardCallToUri);
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.To:
case HeaderNames.CallId:
writer.WriteHeader(reader, i);
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)
{
//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);
}