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);
}
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 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);
}
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);
}
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);
}
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);
}
