protected virtual void SendFinalResponse(SIPResponse finalResponse)
{
m_transactionFinalResponse = finalResponse;
if (TransactionState != SIPTransactionStatesEnum.Cancelled)
{
UpdateTransactionState(SIPTransactionStatesEnum.Completed);
}
// Reset transaction state variables to reset any provisional reliable responses.
InitialTransmit = DateTime.MinValue;
Retransmits = 0;
DeliveryPending = true;
DeliveryFailed = false;
HasTimedOut = false;
TransactionTraceMessage?.Invoke(this, $"Transaction send final response {finalResponse.ShortDescription}");
m_sipTransport.AddTransaction(this);
}
public SIPNonInviteTransaction(SIPTransport sipTransport, SIPRequest sipRequest, SIPEndPoint outboundProxy)
: base(sipTransport, sipRequest, outboundProxy)
{
TransactionType = SIPTransactionTypesEnum.NonInvite;
TransactionRequestReceived += SIPNonInviteTransaction_TransactionRequestReceived;
TransactionInformationResponseReceived += SIPNonInviteTransaction_TransactionInformationResponseReceived;
TransactionFinalResponseReceived += SIPNonInviteTransaction_TransactionFinalResponseReceived;
TransactionTimedOut += SIPNonInviteTransaction_TransactionTimedOut;
TransactionRemoved += SIPNonInviteTransaction_TransactionRemoved;
TransactionRequestRetransmit += SIPNonInviteTransaction_TransactionRequestRetransmit;
sipTransport.AddTransaction(this);
}
public UASInviteTransaction(
SIPTransport sipTransport,
SIPRequest sipRequest,
SIPEndPoint outboundProxy,
bool noCDR = false)
: base(sipTransport, sipRequest, outboundProxy)
{
TransactionType = SIPTransactionTypesEnum.InviteServer;
m_remoteTag = sipRequest.Header.From.FromTag;
if (sipRequest.Header.To.ToTag == null)
{
// This UAS needs to set the To Tag.
m_localTag = CallProperties.CreateNewTag();
}
else
{
// This is a re-INVITE.
m_localTag = sipRequest.Header.To.ToTag;
}
//logger.LogDebug("New UASTransaction (" + TransactionId + ") for " + TransactionRequest.URI.ToString() + " to " + RemoteEndPoint + ".");
SIPEndPoint localEP =
SIPEndPoint.TryParse(sipRequest.Header.ProxyReceivedOn) ?? sipRequest.LocalSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipRequest.Header.ProxyReceivedFrom) ??
sipRequest.RemoteSIPEndPoint;
if (!noCDR)
{
CDR = new SIPCDR(SIPCallDirection.In, sipRequest.URI, sipRequest.Header.From, sipRequest.Header.CallId,
localEP, remoteEP);
}
TransactionRequestReceived += UASInviteTransaction_TransactionRequestReceived;
TransactionInformationResponseReceived += UASInviteTransaction_TransactionResponseReceived;
TransactionFinalResponseReceived += UASInviteTransaction_TransactionResponseReceived;
TransactionTimedOut += UASInviteTransaction_TransactionTimedOut;
TransactionRemoved += UASInviteTransaction_TransactionRemoved;
OnAckRequestReceived += UASInviteTransaction_OnAckRequestReceived;
sipTransport.AddTransaction(this);
}
internal bool m_sentPrack; // Records whether the PRACK request was sent.
/// <summary>
/// Default constructor for user agent client INVITE transaction.
/// </summary>
/// <param name="sendOkAckManually">If set an ACK request for the 2xx response will NOT be sent and it will be up to
/// the application to explicitly call the SendACK request.</param>
/// <param name="disablePrackSupport">If set to true then PRACK support will not be set in the initial INVITE request.</param>
internal UACInviteTransaction(SIPTransport sipTransport,
SIPRequest sipRequest,
SIPEndPoint outboundProxy,
bool sendOkAckManually = false,
bool disablePrackSupport = false)
: base(sipTransport, sipRequest, outboundProxy)
{
TransactionType = SIPTransactionTypesEnum.InviteClient;
m_localTag = sipRequest.Header.From.FromTag;
CDR = new SIPCDR(SIPCallDirection.Out, sipRequest.URI, sipRequest.Header.From, sipRequest.Header.CallId, sipRequest.LocalSIPEndPoint, sipRequest.RemoteSIPEndPoint);
_sendOkAckManually = sendOkAckManually;
_disablePrackSupport = disablePrackSupport;
TransactionFinalResponseReceived += UACInviteTransaction_TransactionFinalResponseReceived;
TransactionInformationResponseReceived += UACInviteTransaction_TransactionInformationResponseReceived;
TransactionTimedOut += UACInviteTransaction_TransactionTimedOut;
TransactionRequestReceived += UACInviteTransaction_TransactionRequestReceived;
TransactionRemoved += UACInviteTransaction_TransactionRemoved;
sipTransport.AddTransaction(this);
}
public SIPNonInviteTransaction(SIPTransport sipTransport, SIPRequest sipRequest, SIPEndPoint outboundProxy)
: base(sipTransport, sipRequest, outboundProxy)
{
TransactionType = SIPTransactionTypesEnum.NonInvite;
TransactionRequestReceived += SIPNonInviteTransaction_TransactionRequestReceived;
TransactionInformationResponseReceived += SIPNonInviteTransaction_TransactionInformationResponseReceived;
TransactionFinalResponseReceived += SIPNonInviteTransaction_TransactionFinalResponseReceived;
TransactionTimedOut += SIPNonInviteTransaction_TransactionTimedOut;
TransactionRemoved += SIPNonInviteTransaction_TransactionRemoved;
TransactionRequestRetransmit += SIPNonInviteTransaction_TransactionRequestRetransmit;
if (sipRequest.RemoteSIPEndPoint != null)
{
// This transaction type can be used to represent two different things:
// - a tx that the application wants to use to send a request reliably,
// - a tx for a request that has been received from a remote end point and that duplicates need
// to be detected for.
// This block is for the second case. The tx request has been received and the tx engine
// needs to be signalled that it is now at the request processing stage.
base.UpdateTransactionState(SIPTransactionStatesEnum.Proceeding);
}
sipTransport.AddTransaction(this);
}