public void CallFailed(SIPResponseStatusCodesEnum failureStatus, string reasonPhrase, string[] customHeaders)
{
try
{
if (m_sipServerUserAgent != null && !m_isAnswered)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call failed with a failure status of " + failureStatus + " and " + reasonPhrase + ".", Owner));
m_isAnswered = true;
if ((int)failureStatus >= 300 && (int)failureStatus <= 399)
{
SIPURI redirectURI = SIPURI.ParseSIPURIRelaxed(customHeaders[0]);
m_sipServerUserAgent.Redirect(failureStatus, redirectURI);
}
else
{
m_sipServerUserAgent.Reject(failureStatus, reasonPhrase, customHeaders);
}
}
}
catch (Exception excp)
{
logger.Error("Exception DialPlanContext CallFailed. " + excp.Message);
}
finally
{
DialPlanExecutionFinished();
}
}
public void CallFailed(SIPResponseStatusCodesEnum failureStatus, string reasonPhrase, string[] customHeaders)
{
try
{
if (!m_isAnswered)
{
m_isAnswered = true;
if ((int)failureStatus >= 300 && (int)failureStatus <= 399)
{
SIPURI redirectURI = SIPURI.ParseSIPURIRelaxed(customHeaders[0]);
m_sipServerUserAgent.Redirect(failureStatus, redirectURI);
}
else
{
m_sipServerUserAgent.Reject(failureStatus, reasonPhrase, customHeaders);
}
}
}
catch (Exception excp)
{
logger.Error("Exception DialPlanContext CallFailed. " + excp.Message);
}
finally
{
DialPlanExecutionFinished();
}
}
private void ProcessNewCall(ISIPServerUserAgent uas)
{
//bool wasExecutionCountIncremented = false;
Customer customer = null;
SIPDialPlan dialPlan = null;
try
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call Manager processing new call on thread " + Thread.CurrentThread.Name + " for " + uas.CallRequest.Method + " to " + uas.CallRequest.URI.ToString() + ".", null));
#region Do some pre-flight checks on the SIP account to determine if the call should be processed.
if (uas.SIPAccount == null)
{
if (uas.CallRequest.URI.User == DISPATCHER_SIPACCOUNT_NAME)
{
// This is a call from the monitoring system allow to proceed.
}
else if (uas.CallDirection == SIPCallDirection.Out)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "SIP account " + uas.CallRequest.Header.From.FromURI.ToParameterlessString() + " not found for outgoing call to " + uas.CallRequest.URI.ToString() + ".", null));
uas.Reject(SIPResponseStatusCodesEnum.Forbidden, null, null);
return;
}
else if (uas.CallDirection == SIPCallDirection.In)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "SIP account " + uas.CallRequest.URI.ToParameterlessString() + " not found for incoming call.", null));
uas.Reject(SIPResponseStatusCodesEnum.NotFound, null, null);
return;
}
}
else
{
if (uas.SIPAccount.IsDisabled)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "SIP account " + uas.SIPAccount.SIPUsername + "@" + uas.SIPAccount.SIPDomain + " is disabled for " + uas.CallDirection + " call.", uas.SIPAccount.Owner));
uas.Reject(SIPResponseStatusCodesEnum.Forbidden, "SIP account disabled", null);
return;
}
else if (uas.SIPAccount.IsIncomingOnly && uas.CallDirection == SIPCallDirection.Out)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "SIP account " + uas.SIPAccount.SIPUsername + "@" + uas.SIPAccount.SIPDomain + " is not permitted to make outgoing calls", uas.SIPAccount.Owner));
uas.Reject(SIPResponseStatusCodesEnum.Forbidden, "SIP account not permitted to make outgoing calls", null);
return;
}
}
#endregion
SIPURI callURI = (uas.CallRequest != null) ? uas.CallRequest.URI : null;
SIPAccount sipAccount = uas.SIPAccount;
if (uas.CallDirection == SIPCallDirection.In && callURI.User == DISPATCHER_SIPACCOUNT_NAME)
{
uas.NoCDR();
#region Create a pseudo-dialplan to process the monitoring process call.
string pseudoScript =
//"sys.Log(\"Dispatcher Call.\")\n" +
"result = sys.DoesSIPAccountExist(\"" + DISPATCHER_SIPACCOUNT_NAME + "\")\n" + // Allows the test call to check the database connectivity.
//"sys.Log(\"DoesSIPAccountExist result=#{result}.\")\n" +
"sys.Respond(420, nil, \"DialPlanEngine-ExecutionCount: " + m_dialPlanEngine.ScriptCount + "\")\n";
SIPDialPlan dispatcherDialPlan = new SIPDialPlan(null, null, null, pseudoScript, SIPDialPlanScriptTypesEnum.Ruby);
dispatcherDialPlan.Id = Guid.Empty; // Prevents the increment and decrement on the execution counts.
DialPlanScriptContext scriptContext = new DialPlanScriptContext(
Log_External,
m_sipTransport,
CreateDialogueBridge,
m_outboundProxy,
uas,
dispatcherDialPlan,
null,
null,
null,
null,
null,
null);
m_dialPlanEngine.Execute(scriptContext, uas, uas.CallDirection, null, this);
#endregion
}
else
{
string dialPlanName = (uas.CallDirection == SIPCallDirection.Out) ? sipAccount.OutDialPlanName : sipAccount.InDialPlanName;
string owner = (uas.IsB2B) ? uas.SIPAccount.Owner : uas.Owner;
if (GetDialPlanAndCustomer(owner, dialPlanName, uas, out customer, out dialPlan))
{
//IncrementDialPlanExecutionCount(dialPlan, customer, originalExecutionCount + 1);
//IncrementCustomerExecutionCount(customer);
//wasExecutionCountIncremented = true;
if (dialPlan != null)
{
if (!uas.IsInvite && !dialPlan.AcceptNonInvite)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "A " + uas.CallRequest.Method + " was rejected for dialplan " + dialPlanName + " as it does not accept non-INVITE requests.", owner));
uas.Reject(SIPResponseStatusCodesEnum.MethodNotAllowed, "User has chosen not to accept request type", null);
return;
}
else
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Using dialplan " + dialPlanName + " for " + uas.CallDirection + " call to " + callURI.ToString() + ".", owner));
if (dialPlan.ScriptType == SIPDialPlanScriptTypesEnum.Asterisk)
{
DialPlanLineContext lineContext = new DialPlanLineContext(
Log_External,
m_sipTransport,
CreateDialogueBridge,
m_outboundProxy,
uas,
dialPlan,
GetSIPProviders_External(p => p.Owner == owner, null, 0, Int32.MaxValue),
m_traceDirectory,
(uas.CallDirection == SIPCallDirection.Out) ? sipAccount.NetworkId : null,
customer);
//lineContext.DialPlanComplete += () => { DecrementCustomerExecutionCount(customer);} ;
m_dialPlanEngine.Execute(lineContext, uas, uas.CallDirection, CreateDialogueBridge, this);
}
else
{
dialPlan.AuthorisedApps = customer.AuthorisedApps + ";" + dialPlan.AuthorisedApps;
DialPlanScriptContext scriptContext = new DialPlanScriptContext(
Log_External,
m_sipTransport,
CreateDialogueBridge,
m_outboundProxy,
uas,
dialPlan,
GetSIPProviders_External(p => p.Owner == owner, null, 0, Int32.MaxValue),
m_traceDirectory,
(uas.CallDirection == SIPCallDirection.Out) ? sipAccount.NetworkId : null,
customer,
m_dialPlanEngine,
GetCanonicalDomain_External);
uas.SetDialPlanContextID(scriptContext.DialPlanContextID);
//scriptContext.DialPlanComplete += () => { DecrementCustomerExecutionCount(customer);};
m_dialPlanEngine.Execute(scriptContext, uas, uas.CallDirection, CreateDialogueBridge, this);
}
}
}
else if (uas.CallDirection == SIPCallDirection.In)
{
if (uas.IsB2B)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Dialplan could not be loaded for incoming B2B call to " + callURI.ToString() + ".", owner));
uas.Reject(SIPResponseStatusCodesEnum.InternalServerError, "Error loading incoming dial plan for B2B call", null);
//DecrementCustomerExecutionCount(customer);
}
else
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "No dialplan specified for incoming call to " + sipAccount.SIPUsername + "@" + sipAccount.SIPDomain + ", registered bindings will be used.", owner));
// The SIP account has no dialplan for an incoming call therefore send to the SIP account's bindings.
List<SIPRegistrarBinding> bindings = GetSIPAccountBindings_External(b => b.SIPAccountId == sipAccount.Id, null, 0, MAX_FORWARD_BINDINGS);
if (bindings != null && bindings.Count > 0)
{
// Create a pseudo-dialplan to process the incoming call.
string pseudoScript = "sys.Dial(\"" + sipAccount.SIPUsername + "@" + sipAccount.SIPDomain + "\")\n";
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Forwarding incoming call for " + sipAccount.SIPUsername + "@" + sipAccount.SIPDomain + " to " + bindings.Count + " bindings.", owner));
SIPDialPlan incomingDialPlan = new SIPDialPlan(sipAccount.Owner, null, null, pseudoScript, SIPDialPlanScriptTypesEnum.Ruby);
incomingDialPlan.Id = Guid.Empty; // Prevents the increment and decrement on the execution counts.
DialPlanScriptContext scriptContext = new DialPlanScriptContext(
Log_External,
m_sipTransport,
CreateDialogueBridge,
m_outboundProxy,
uas,
incomingDialPlan,
null,
m_traceDirectory,
null,
customer,
null,
GetCanonicalDomain_External);
//scriptContext.DialPlanComplete += () => { DecrementCustomerExecutionCount(customer); };
m_dialPlanEngine.Execute(scriptContext, uas, uas.CallDirection, CreateDialogueBridge, this);
}
else
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "No bindings available for " + sipAccount.SIPUsername + "@" + sipAccount.SIPDomain + " returning temporarily not available.", owner));
uas.Reject(SIPResponseStatusCodesEnum.TemporarilyUnavailable, null, null);
//DecrementDialPlanExecutionCount(null, customer.Id);
//DecrementCustomerExecutionCount(customer);
}
}
}
else
{
// Couldn't load a dialplan for an outgoing call.
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Dialplan could not be loaded for " + uas.CallDirection + " call to " + callURI.ToString() + ".", owner));
uas.Reject(SIPResponseStatusCodesEnum.InternalServerError, "Error loading dial plan", null);
//DecrementDialPlanExecutionCount(null, customer.Id);
//DecrementCustomerExecutionCount(customer);
}
}
}
}
catch (Exception excp)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.Error, "Exception SIPCallManager ProcessNewCall. " + excp.Message, null));
uas.Reject(SIPResponseStatusCodesEnum.InternalServerError, "Exception ProcessNewCall", null);
//if (wasExecutionCountIncremented)
//{
//DecrementDialPlanExecutionCount(dialPlan, customer.Id);
// DecrementCustomerExecutionCount(customer);
//}
}
}
private bool GetDialPlanAndCustomer(string owner, string dialPlanName, ISIPServerUserAgent uas, out Customer customer, out SIPDialPlan dialPlan)
{
try
{
dialPlan = null;
customer = m_customerPersistor.Get(c => c.CustomerUsername == owner);
if (customer == null)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call rejected for customer " + owner + " as no matching account found.", null));
uas.Reject(SIPResponseStatusCodesEnum.DoesNotExistAnywhere, "No matching user was found", null);
}
else if (customer.Suspended)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call rejected for customer " + owner + " as account is suspended.", null));
uas.Reject(SIPResponseStatusCodesEnum.DoesNotExistAnywhere, "User account is suspended", null);
}
else if (customer.ServiceLevel == CustomerServiceLevels.PremiumPayReqd.ToString() || customer.ServiceLevel == CustomerServiceLevels.ProfessionalPayReqd.ToString() || customer.ServiceLevel == CustomerServiceLevels.SwitchboardPayReqd.ToString())
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call rejected for customer " + owner + " as payment is outstanding.", null));
uas.Reject(SIPResponseStatusCodesEnum.PaymentRequired, null, null);
}
else if (dialPlanName.IsNullOrBlank() && uas.CallDirection == SIPCallDirection.Out)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call rejected for customer " + owner + " as no dialplan is configured for an " + uas.CallDirection + " call.", null));
uas.Reject(SIPResponseStatusCodesEnum.TemporarilyUnavailable, "SIP account missing dialplan setting", null);
}
else
{
if (dialPlanName.IsNullOrBlank())
{
// Incoming call with no dialplan.
return true;
}
else
{
dialPlan = GetDialPlan_External(d => d.Owner == owner && d.DialPlanName == dialPlanName);
if (dialPlan == null)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call rejected, dialplan " + dialPlanName + " could not be found.", owner));
uas.Reject(SIPResponseStatusCodesEnum.InternalServerError, "Could not load dialplan " + dialPlanName, null);
}
else if (dialPlan != null && dialPlan.IsReadOnly)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call rejected for read only dialplan " + dialPlanName + ". Upgrade to a Premium service to enable.", owner));
uas.Reject(SIPResponseStatusCodesEnum.PaymentRequired, "Dial plan is readonly, upgrade to Premium service", null);
}
else if (customer.ServiceLevel == CustomerServiceLevels.Free.ToString() && dialPlan.ScriptType == SIPDialPlanScriptTypesEnum.Asterisk)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Your service level does not permit the use of Asterisk dial plans.", owner));
uas.Reject(SIPResponseStatusCodesEnum.PaymentRequired, "Free plans cannot use Asterisk dial plans", null);
}
else if (!IsDialPlanExecutionAllowed(dialPlan, customer))
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Execution of dial plan " + dialPlanName + " was not processed as maximum execution count has been reached.", owner));
uas.Reject(SIPResponseStatusCodesEnum.TemporarilyUnavailable, "Dial plan execution exceeded maximum allowed", null);
}
else
{
if (m_dailyCallLimit == -1)
{
return true;
}
else
{
// Check whether the number of CDR's exceeds the daily call limit.
DateTime yesterday = DateTime.Now.AddDays(-1);
int cdrCount = m_sipCDRPersistor.Count(x => x.Owner == owner && x.Created > yesterday);
if (cdrCount >= m_dailyCallLimit)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Execution of call for " + owner + " was not processed as daily call limit reached.", owner));
uas.Reject(SIPResponseStatusCodesEnum.TemporarilyUnavailable, "Daily call limit reached", null);
}
else
{
return true;
}
}
}
}
}
return false;
}
catch (Exception excp)
{
logger.Error("Exception GetDialPlanAndCustomer. " + excp.Message);
throw;
}
}
public void QueueNewCall(ISIPServerUserAgent serverUA)
{
try
{
// Attempt to queue the call.
if (m_newCalls.Count < MAX_NEWCALL_QUEUE)
{
lock (m_newCalls)
{
m_newCalls.Enqueue(serverUA);
m_newCallReady.Set();
}
}
else
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call Manager rejected call as new calls queue full.", null));
serverUA.Reject(SIPResponseStatusCodesEnum.TemporarilyUnavailable, "Call Manager overloaded", null);
}
}
catch (Exception excp)
{
logger.Error("Exception SIPCallManager QueueNewCall. " + excp.Message);
}
}
private bool GetDialPlanAndCustomer(string owner, string dialPlanName, ISIPServerUserAgent uas, out Customer customer, out SIPDialPlan dialPlan)
{
try
{
dialPlan = null;
customer = m_customerPersistor.Get(c => c.CustomerUsername == owner);
if (customer == null)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call rejected for customer " + owner + " as no matching account found.", null));
uas.Reject(SIPResponseStatusCodesEnum.DoesNotExistAnywhere, "No matching user was found", null);
}
else if (customer.Suspended)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call rejected for customer " + owner + " as account is suspended.", null));
uas.Reject(SIPResponseStatusCodesEnum.DoesNotExistAnywhere, "User account is suspended", null);
}
else if (dialPlanName.IsNullOrBlank() && uas.CallDirection == SIPCallDirection.Out)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Call rejected for customer " + owner + " as no dialplan is configured for an " + uas.CallDirection + " call.", null));
uas.Reject(SIPResponseStatusCodesEnum.TemporarilyUnavailable, "SIP account missing dialplan setting", null);
}
else
{
dialPlan = GetDialPlan_External(d => d.Owner == owner && d.DialPlanName == dialPlanName);
if (!IsDialPlanExecutionAllowed(dialPlan, customer))
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Execution of dial plan " + dialPlanName + " was not processed as maximum execution count has been reached.", owner));
uas.Reject(SIPResponseStatusCodesEnum.TemporarilyUnavailable, "Dial plan execution exceeded maximum allowed", null);
}
else
{
if (m_dailyCallLimit == -1)
{
return true;
}
else
{
// Check whether the number of CDR's exceeds the daily call limit.
DateTime yesterday = DateTime.Now.AddDays(-1);
int cdrCount = m_sipCDRPersistor.Count(x => x.Owner == owner && x.Created > yesterday);
if (cdrCount >= m_dailyCallLimit)
{
Log_External(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Execution of call for " + owner + " was not processed as daily call limit reached.", owner));
uas.Reject(SIPResponseStatusCodesEnum.TemporarilyUnavailable, "Daily call limit reached", null);
}
else
{
return true;
}
}
}
}
return false;
}
catch (Exception excp)
{
logger.Error("Exception GetDialPlanAndCustomer. " + excp.Message);
throw;
}
}