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public static TryParse ( string sipEndPointStr ) : |
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| sipEndPointStr | string | |
| return | ||
private void UACInviteTransaction_TransactionFinalResponseReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction, SIPResponse sipResponse)
{
try
{
// BranchId for 2xx responses needs to be a new one, non-2xx final responses use same one as original request.
if (sipResponse.StatusCode >= 200 && sipResponse.StatusCode < 299)
{
if (_sendOkAckManually == false)
{
Send2xxAckRequest(null, null);
}
}
else
{
// ACK for non 2xx response is part of the INVITE transaction and gets routed to the same endpoint as the INVITE.
var ackRequest = GetInTransactionACKRequest(sipResponse, m_transactionRequest.URI);
base.SendRequest(ackRequest);
}
UACInviteTransactionFinalResponseReceived?.Invoke(localSIPEndPoint, remoteEndPoint, sipTransaction, sipResponse);
if (CDR != null)
{
SIPEndPoint localEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedFrom) ?? remoteEndPoint;
CDR.Answered(sipResponse.StatusCode, sipResponse.Status, sipResponse.ReasonPhrase, localEP, remoteEP);
}
}
catch (Exception excp)
{
logger.LogError($"Exception UACInviteTransaction_TransactionFinalResponseReceived. {excp.Message}");
}
}
private async Task <SocketError> UACInviteTransaction_TransactionInformationResponseReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction, SIPResponse sipResponse)
{
try
{
if (sipResponse.StatusCode > 100 && sipResponse.StatusCode <= 199)
{
if (sipResponse.Header.RSeq > 0)
{
// Send a PRACK for this provisional response.
PRackRequest = GetPRackRequest(sipResponse);
await SendRequestAsync(PRackRequest);
}
}
if (CDR != null)
{
SIPEndPoint localEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedFrom) ?? remoteEndPoint;
CDR.Progress(sipResponse.Status, sipResponse.ReasonPhrase, localEP, remoteEP);
}
return(await UACInviteTransactionInformationResponseReceived?.Invoke(localSIPEndPoint, remoteEndPoint, sipTransaction, sipResponse));;
}
catch (Exception excp)
{
logger.LogError("Exception UACInviteTransaction_TransactionInformationResponseReceived. " + excp.Message);
return(SocketError.Fault);
}
}
private void UACInviteTransaction_TransactionFinalResponseReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction, SIPResponse sipResponse)
{
try
{
// BranchId for 2xx responses needs to be a new one, non-2xx final responses use same one as original request.
SIPRequest ackRequest = null;
if (sipResponse.StatusCode >= 200 && sipResponse.StatusCode < 299)
{
if (sipResponse.Header.To != null)
{
m_remoteTag = sipResponse.Header.To.ToTag;
}
SIPURI ackURI = m_transactionRequest.URI;
if (sipResponse.Header.Contact != null && sipResponse.Header.Contact.Count > 0)
{
ackURI = sipResponse.Header.Contact[0].ContactURI;
// Don't mangle private contacts if there is a Record-Route header. If a proxy is putting private IP's in a Record-Route header that's its problem.
if ((sipResponse.Header.RecordRoutes == null || sipResponse.Header.RecordRoutes.Length == 0) &&
IPSocket.IsPrivateAddress(ackURI.Host) && !sipResponse.Header.ProxyReceivedFrom.IsNullOrBlank())
{
// Setting the Proxy-ReceivedOn header is how an upstream proxy will let an agent know it should mangle the contact.
SIPEndPoint remoteUASSIPEndPoint = SIPEndPoint.ParseSIPEndPoint(sipResponse.Header.ProxyReceivedFrom);
ackURI.Host = remoteUASSIPEndPoint.GetIPEndPoint().ToString();
}
}
// ACK for 2xx response needs to be a new transaction and gets routed based on SIP request fields.
ackRequest = GetNewTransactionACKRequest(sipResponse, ackURI, LocalSIPEndPoint);
base.SendRequest(ackRequest);
}
else
{
// ACK for non 2xx response is part of the INVITE transaction and gets routed to the same endpoint as the INVITE.
ackRequest = GetInTransactionACKRequest(sipResponse, m_transactionRequest.URI, LocalSIPEndPoint);
base.SendRequest(RemoteEndPoint, ackRequest);
}
if (UACInviteTransactionFinalResponseReceived != null)
{
UACInviteTransactionFinalResponseReceived(localSIPEndPoint, remoteEndPoint, sipTransaction, sipResponse);
}
if (CDR != null)
{
SIPEndPoint localEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedFrom) ?? remoteEndPoint;
CDR.Answered(sipResponse.StatusCode, sipResponse.Status, sipResponse.ReasonPhrase, localEP, remoteEP);
}
}
catch (Exception excp)
{
logger.Error("Exception UACInviteTransaction_TransactionFinalResponseReceived. " + excp.Message);
}
}
private async Task <SocketError> UACInviteTransaction_TransactionFinalResponseReceived(
SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction,
SIPResponse sipResponse)
{
try
{
DeliveryPending = false;
base.UpdateTransactionState(SIPTransactionStatesEnum.Confirmed);
// BranchId for 2xx responses needs to be a new one, non-2xx final responses use same one as original request.
if (sipResponse.StatusCode >= 200 && sipResponse.StatusCode < 299)
{
if (_sendOkAckManually == false)
{
AckRequest = Get2xxAckRequest(null, null);
await SendRequestAsync(AckRequest).ConfigureAwait(false);
}
}
else
{
// ACK for non 2xx response is part of the INVITE transaction and gets routed to the same endpoint as the INVITE.
AckRequest = GetInTransactionACKRequest(sipResponse, m_transactionRequest.URI);
await SendRequestAsync(AckRequest).ConfigureAwait(false);
}
if (CDR != null)
{
SIPEndPoint localEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedFrom) ?? remoteEndPoint;
CDR.Answered(sipResponse.StatusCode, sipResponse.Status, sipResponse.ReasonPhrase, localEP,
remoteEP);
}
if (UACInviteTransactionFinalResponseReceived != null)
{
return(await UACInviteTransactionFinalResponseReceived(localSIPEndPoint, remoteEndPoint,
sipTransaction, sipResponse).ConfigureAwait(false));
}
else
{
return(SocketError.Success);
}
}
catch (Exception excp)
{
Logger.Logger.Error(
$"Exception UACInviteTransaction_TransactionFinalResponseReceived. ->{excp.Message}");
return(SocketError.Fault);
}
}
internal UACInviteTransaction(SIPTransport sipTransport, SIPRequest sipRequest, SIPEndPoint dstEndPoint, SIPEndPoint localSIPEndPoint, SIPEndPoint outboundProxy)
: base(sipTransport, sipRequest, dstEndPoint, localSIPEndPoint, outboundProxy)
{
TransactionType = SIPTransactionTypesEnum.Invite;
m_localTag = sipRequest.Header.From.FromTag;
SIPEndPoint localEP = SIPEndPoint.TryParse(sipRequest.Header.ProxySendFrom) ?? localSIPEndPoint;
CDR = new SIPCDR(SIPCallDirection.Out, sipRequest.URI, sipRequest.Header.From, sipRequest.Header.CallId, localEP, dstEndPoint);
TransactionFinalResponseReceived += UACInviteTransaction_TransactionFinalResponseReceived;
TransactionInformationResponseReceived += UACInviteTransaction_TransactionInformationResponseReceived;
TransactionTimedOut += UACInviteTransaction_TransactionTimedOut;
TransactionRequestReceived += UACInviteTransaction_TransactionRequestReceived;
TransactionRemoved += UACInviteTransaction_TransactionRemoved;
}
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 UASInviteTransaction(
SIPTransport sipTransport,
SIPRequest sipRequest,
SIPEndPoint dstEndPoint,
SIPEndPoint localSIPEndPoint,
SIPEndPoint outboundProxy,
IPAddress contactIPAddress,
bool noCDR = false)
: base(sipTransport, sipRequest, dstEndPoint, localSIPEndPoint, outboundProxy)
{
TransactionType = SIPTransactionTypesEnum.Invite;
m_remoteTag = sipRequest.Header.From.FromTag;
m_contactIPAddress = contactIPAddress;
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) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipRequest.Header.ProxyReceivedFrom) ?? dstEndPoint;
if (!noCDR)
{
CDR = new SIPCDR(SIPCallDirection.In, sipRequest.URI, sipRequest.Header.From, sipRequest.Header.CallId, localEP, remoteEP);
}
//UpdateTransactionState(SIPTransactionStatesEnum.Proceeding);
TransactionRequestReceived += UASInviteTransaction_TransactionRequestReceived;
TransactionInformationResponseReceived += UASInviteTransaction_TransactionResponseReceived;
TransactionFinalResponseReceived += UASInviteTransaction_TransactionResponseReceived;
TransactionTimedOut += UASInviteTransaction_TransactionTimedOut;
TransactionRemoved += UASInviteTransaction_TransactionRemoved;
}
private void UACInviteTransaction_TransactionInformationResponseReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction, SIPResponse sipResponse)
{
try
{
if (UACInviteTransactionInformationResponseReceived != null)
{
UACInviteTransactionInformationResponseReceived(localSIPEndPoint, remoteEndPoint, sipTransaction, sipResponse);
}
if (CDR != null)
{
SIPEndPoint localEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedFrom) ?? remoteEndPoint;
CDR.Progress(sipResponse.Status, sipResponse.ReasonPhrase, localEP, remoteEP);
}
}
catch (Exception excp)
{
logger.LogError("Exception UACInviteTransaction_TransactionInformationResponseReceived. " + excp.Message);
}
}
/// <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 reqeust.</param>
internal UACInviteTransaction(SIPTransport sipTransport,
SIPRequest sipRequest,
SIPEndPoint dstEndPoint,
SIPEndPoint localSIPEndPoint,
SIPEndPoint outboundProxy,
bool sendOkAckManually = false,
bool disablePrackSupport = false)
: base(sipTransport, sipRequest, dstEndPoint, localSIPEndPoint, outboundProxy)
{
TransactionType = SIPTransactionTypesEnum.InivteClient;
m_localTag = sipRequest.Header.From.FromTag;
SIPEndPoint localEP = SIPEndPoint.TryParse(sipRequest.Header.ProxySendFrom) ?? localSIPEndPoint;
CDR = new SIPCDR(SIPCallDirection.Out, sipRequest.URI, sipRequest.Header.From, sipRequest.Header.CallId, localEP, dstEndPoint);
_sendOkAckManually = sendOkAckManually;
_disablePrackSupport = disablePrackSupport;
TransactionFinalResponseReceived += UACInviteTransaction_TransactionFinalResponseReceived;
TransactionInformationResponseReceived += UACInviteTransaction_TransactionInformationResponseReceived;
TransactionTimedOut += UACInviteTransaction_TransactionTimedOut;
TransactionRequestReceived += UACInviteTransaction_TransactionRequestReceived;
TransactionRemoved += UACInviteTransaction_TransactionRemoved;
}
private async Task <SocketError> UACInviteTransaction_TransactionInformationResponseReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction, SIPResponse sipResponse)
{
try
{
if (sipResponse.StatusCode > 100 && sipResponse.StatusCode <= 199)
{
if (sipResponse.Header.RSeq > 0)
{
// Send a PRACK for this provisional response.
m_cseq++;
PRackRequest = GetAcknowledgeRequest(sipResponse, SIPMethodsEnum.PRACK, m_cseq, null, null);
await SendRequestAsync(PRackRequest).ConfigureAwait(false);
}
}
if (CDR != null)
{
SIPEndPoint localEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedFrom) ?? remoteEndPoint;
CDR.Progress(sipResponse.Status, sipResponse.ReasonPhrase, localEP, remoteEP);
}
if (UACInviteTransactionInformationResponseReceived != null)
{
return(await UACInviteTransactionInformationResponseReceived(localSIPEndPoint, remoteEndPoint, sipTransaction, sipResponse).ConfigureAwait(false));
}
else
{
return(SocketError.Success);
}
}
catch (Exception excp)
{
logger.LogError("Exception UACInviteTransaction_TransactionInformationResponseReceived. " + excp.Message);
return(SocketError.Fault);
}
}
private void UACInviteTransaction_TransactionInformationResponseReceived(SIPEndPoint localSIPEndPoint, SIPEndPoint remoteEndPoint, SIPTransaction sipTransaction, SIPResponse sipResponse)
{
try
{
UACInviteTransactionInformationResponseReceived?.Invoke(localSIPEndPoint, remoteEndPoint, sipTransaction, sipResponse);
if (sipResponse.StatusCode > 100 && sipResponse.StatusCode <= 199 && sipResponse.Header.RSeq > 0)
{
// Send a PRACK for this provisional response.
SendPRackRequest(sipResponse);
}
if (CDR != null)
{
SIPEndPoint localEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedOn) ?? localSIPEndPoint;
SIPEndPoint remoteEP = SIPEndPoint.TryParse(sipResponse.Header.ProxyReceivedFrom) ?? remoteEndPoint;
CDR.Progress(sipResponse.Status, sipResponse.ReasonPhrase, localEP, remoteEP);
}
}
catch (Exception excp)
{
logger.LogError("Exception UACInviteTransaction_TransactionInformationResponseReceived. " + excp.Message);
}
}
