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;
CDR = new SIPCDR(SIPCallDirection.Out, sipRequest.URI, sipRequest.Header.From, sipRequest.Header.CallId, localSIPEndPoint, dstEndPoint);
TransactionFinalResponseReceived += UACInviteTransaction_TransactionFinalResponseReceived;
TransactionInformationResponseReceived += UACInviteTransaction_TransactionInformationResponseReceived;
TransactionTimedOut += UACInviteTransaction_TransactionTimedOut;
TransactionRequestReceived += UACInviteTransaction_TransactionRequestReceived;
TransactionRemoved += UACInviteTransaction_TransactionRemoved;
}
/// <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 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;
}
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;
}
public void QueueCDR(SIPCDR cdr)
{
try
{
if (m_sipCDRPersistor != null && !StopCDRWrites && !m_pendingCDRs.Contains(cdr))
{
m_pendingCDRs.Enqueue(cdr);
}
}
catch (Exception excp)
{
logger.Error("Exception QueueCDR. " + excp.Message);
}
}
private IPAddress m_contactIPAddress; // If set this IP address should be used in the Contact header of the Ok response so that ACK requests can be delivered correctly.
#endregion Fields
#region Constructors
internal UASInviteTransaction(
SIPTransport sipTransport,
SIPRequest sipRequest,
SIPEndPoint dstEndPoint,
SIPEndPoint localSIPEndPoint,
SIPEndPoint outboundProxy,
IPAddress contactIPAddress)
: 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.Debug("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;
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;
}
public void WriteCDR(SIPCDR cdr)
{
try
{
//if (m_sipCDRPersistor != null && !StopCDRWrites && !m_pendingCDRs.Contains(cdr))
//{
// m_pendingCDRs.Enqueue(cdr);
//}
SIPCDRAsset cdrAsset = new SIPCDRAsset(cdr);
var existingCDR = m_sipCDRPersistor.Get(cdrAsset.Id);
if (existingCDR == null)
{
cdrAsset.Inserted = DateTimeOffset.UtcNow;
m_sipCDRPersistor.Add(cdrAsset);
}
else //if (existingCDR.ReconciliationResult == null)
{
m_sipCDRPersistor.Update(cdrAsset);
}
}
catch (Exception excp)
{
logger.Error("Exception QueueCDR. " + excp.Message);
}
}
public void UpdateRealTimeCallControlCDRID(string oldCDRID, SIPCDR newCDR)
{
logger.Debug("UpdateRealTimeCallControlCDRID old CDR ID " + oldCDRID + ", new CDR ID " + newCDR.CDRId.ToString() + ".");
using (var db = new SIPSorceryEntities())
{
using (var trans = new TransactionScope())
{
var realTimeCallControl = (from rtcc in db.RTCCs1 where rtcc.CDRID == oldCDRID select rtcc).FirstOrDefault();
if (realTimeCallControl == null)
{
logger.Error("No RTCC record could be found for CDR ID " + oldCDRID + ".");
}
else
{
//db.CDRs.AddObject(newCDR);
realTimeCallControl.CDRID = newCDR.CDRId.ToString();
db.SaveChanges();
trans.Complete();
}
}
}
}
/// <summary>
/// This method attempts to reserve a the initial amount of credit for a call.
/// </summary>
/// <param name="accountCode">The accountCode the credit should be reserved against.</param>
/// <param name="amount">The amount of credit to reserve.</param>
/// <param name="rate">The rate for the call destination and the values that will be used for subsequent credit reservations.</param>
/// <param name="initialSeconds">IF the reservation is successful this parameter will hold the number of seconds that were reserved for the initial reservation.</param>
/// <returns>True if there was enough credit for the reservation otherwise false.</returns>
public decimal ReserveInitialCredit(string accountCode, string rateID, SIPCDR cdr, out int initialSeconds)
{
try
{
logger.Debug("ReserveInitialCredit for " + accountCode + " and rate ID " + rateID + ".");
initialSeconds = 0;
using (var db = new SIPSorceryEntities())
{
using (var trans = new TransactionScope())
{
var rate = db.Rates.Where(x => x.ID == rateID).SingleOrDefault();
if (accountCode.IsNullOrBlank() || (rate == null || rate.Rate1 <= 0))
{
return Decimal.MinusOne;
}
logger.Debug("ReserveInitialCredit for " + accountCode + ", rate " + rate.Rate1 + ", setup cost " + rate.SetupCost + ", increment seconds " + rate.IncrementSeconds + ".");
var customerAccount = db.CustomerAccounts.Where(x => x.AccountCode == accountCode).SingleOrDefault();
if (customerAccount == null)
{
logger.Debug("The initial reservation for " + accountCode + " failed due to the no matching accountcode.");
return Decimal.MinusOne;
}
// Get the owning customer's RTCC billing increment.
//int rtccIncrement = (from cust in db.Customers where cust.Name.ToLower() == customerAccount.Owner.ToLower() select cust.RTCCBillingIncrement).Single();
initialSeconds = (rate.IncrementSeconds > MINIMUM_INITIAL_RESERVATION_SECONDS) ? rate.IncrementSeconds : MINIMUM_INITIAL_RESERVATION_SECONDS;
decimal reservationCost = ((decimal)initialSeconds / (decimal)60 * rate.Rate1) + rate.SetupCost;
if (customerAccount.Credit < reservationCost)
{
logger.Debug("The initial reservation for " + accountCode + ", duration " + initialSeconds + "s and " + reservationCost.ToString("0.#####") + " failed due to lack of credit.");
return Decimal.MinusOne;
}
else
{
var rtccRecord = new RTCC()
{
ID = Guid.NewGuid().ToString(),
CDRID = cdr.CDRId.ToString(),
AccountCode = accountCode,
SecondsReserved = initialSeconds,
Cost = reservationCost,
Rate = rate.Rate1,
SetupCost = rate.SetupCost,
IncrementSeconds = rate.IncrementSeconds,
Inserted = DateTime.UtcNow
};
db.RTCCs1.AddObject(rtccRecord);
//var callCDR = (from cdr in db.CDRs where cdr.ID == cdrID select cdr).SingleOrDefault();
//if (callCDR == null)
//{
// logger.Debug("The initial reservation for " + accountCode + " and " + reservationCost.ToString("0.#####") + " failed due to the no matching CDR for " + cdrID + ".");
// return false;
//}
//else if (callCDR.HungupTime != null)
//{
// logger.Debug("The initial reservation for " + accountCode + " and " + reservationCost.ToString("0.#####") + " failed due to the CDR already being hungup.");
// return false;
//}
// The credit is available deduct it from the customer account balance and place it on the CDR.
customerAccount.Credit = customerAccount.Credit - reservationCost;
// Set the fields on the CDR.
//callCDR.Rate = rate;
//callCDR.SecondsReserved = seconds;
//callCDR.AccountCode = accountCode;
//callCDR.Cost = reservationCost;
//db.CDRs.AddObject(cdr);
db.SaveChanges();
trans.Complete();
logger.Debug("The initial reservation for " + accountCode + ", duration " + initialSeconds + "s and " + reservationCost.ToString("0.#####") + " was successful.");
return reservationCost;
}
}
}
}
catch (Exception excp)
{
logger.Error("Exception ReserveInitialCredit. " + excp);
throw;
}
}
