Esempio n. 1
0
        /// <summary>
        /// Processes a dialplan script (currently Ruby scripts only) for a received SIP INVITE request.
        /// </summary>
        /// <param name="coreLogDelegate">A function delegate that passes log/diagnostics events back to the SIP Proxy Core.</param>
        /// <param name="createBridgeDelegate">A function delegate that is called in the event that the dial plan command results in a call being answered and a bridge needing to be created.</param>
        /// <param name="localEndPoint">The SIP Proxy socket the request was received on.</param>
        /// <param name="remoteEndPoint">The socket the request was recevied from.</param>
        /// <param name="clientTransaction">The SIP Invite transaction that initiated the dial plan processing.</param>
        /// <param name="canonicalFromDomain">If (and only if) the call is an outgoing call this will be set to the canonical domain of the host in the SIP From
        /// header. An outgoing call is one from an authenticated user destined for an external SIP URI. If the call is an incoming this will be null.</param>
        /// <param name="canonicalToDomain">If (and only if) the call is an incoming call this will be set to the canonical domain of the host in the SIP URI
        /// request. An incoming call is one from an external caller to a URI corresponding to a hosted domain on this SIP Proxy.</param>
        private void ExecuteDialPlanScript(
            DialPlanScriptContext dialPlanContext,
            ISIPServerUserAgent uas,
            SIPCallDirection callDirection,
            DialogueBridgeCreatedDelegate createBridgeDelegate,
            ISIPCallManager callManager)
        {
            try
            {
                if (uas == null)
                {
                    throw new ArgumentNullException("The ISIPServerUserAgent parameter cannot be null when attempting to execute a dialplan script.");
                }

                FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.NewCall, "Executing script dial plan for call to " + uas.CallDestination + ".", dialPlanContext.Owner));

                if (!dialPlanContext.DialPlanScript.IsNullOrBlank())
                {
                    DialPlanExecutingScript dialPlanExecutionScript = null;
                    int runningScriptCount = (from script in m_runningScripts where !script.Complete select script).Count();

                    if (runningScriptCount < MAX_ALLOWED_SCRIPTSCOPES)
                    {
                        m_dialPlanScriptContextsCreated++;
                        //FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Creating DialPlanExecutingScript number " + m_dialPlanScriptContextsCreated + " for dialplan execution for script owned by " + dialPlanContext.Owner + ".", null));
                        dialPlanExecutionScript = new DialPlanExecutingScript(FireProxyLogEvent);
                    }
                    else
                    {
                        FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Running script limit of " + MAX_ALLOWED_SCRIPTSCOPES + " reached.", null));
                        lock (m_runningScripts)
                        {
                            foreach (DialPlanExecutingScript runningScript in m_runningScripts)
                            {
                                FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, " running script owner=" + runningScript.Owner + ", dialplan name=" + runningScript.ExecutingDialPlanContext.SIPDialPlan.DialPlanName + ", start time=" + runningScript.StartTime.ToString("dd MMM yyyy HH:mm:ss") + ", is complete=" + runningScript.Complete + ".", null));
                            }
                        }
                    }

                    if (dialPlanExecutionScript != null)
                    {
                        dialPlanExecutionScript.Initialise(dialPlanContext);

                        DialPlanScriptFacade planFacade = new DialPlanScriptFacade(
                            m_sipTransport,
                            dialPlanExecutionScript,
                            FireProxyLogEvent,
                            createBridgeDelegate,
                            (uas.CallRequest != null) ? uas.CallRequest.Copy() : null,      // A different copy to the req object. Stops inadvertent changes in the dialplan.
                            callDirection,
                            dialPlanContext,
                            GetCanonicalDomainDelegate_External,
                            callManager,
                            m_sipSorceryPersistor,
                            m_outboundProxySocket,
                            this);

                        DialPlanCRMFacade crmFacade = new DialPlanCRMFacade(FireProxyLogEvent, dialPlanContext);
                        DialPlanLookupFacade lookupFacade = new DialPlanLookupFacade(FireProxyLogEvent, dialPlanContext.Owner);

                        ScriptScope rubyScope = dialPlanExecutionScript.DialPlanScriptScope;
                        rubyScope.SetVariable(SCRIPT_HELPEROBJECT_NAME, planFacade);
                        rubyScope.SetVariable(SCRIPT_CRMOBJECT_NAME, crmFacade);
                        rubyScope.SetVariable(SCRIPT_LOOKUPOBJECT_NAME, lookupFacade);
                        if (uas.CallRequest != null)
                        {
                            rubyScope.SetVariable(SCRIPT_REQUESTOBJECT_NAME, uas.CallRequest.Copy());
                        }

                        dialPlanExecutionScript.DialPlanScriptThread = new Thread(new ParameterizedThreadStart(delegate { ExecuteScript(dialPlanExecutionScript, dialPlanContext, planFacade, m_rubyScriptCommon + dialPlanContext.DialPlanScript); }));

                        lock (m_runningScripts)
                        {
                            m_runningScripts.Add(dialPlanExecutionScript);
                        }

                        dialPlanExecutionScript.DialPlanScriptThread.Start();
                    }
                    else
                    {
                        FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.Error, "Error processing call " + uas.CallDestination + " there were no script slots available, script could not be executed.", dialPlanContext.Owner));
                        dialPlanContext.CallFailed(SIPResponseStatusCodesEnum.InternalServerError, "Dial plan script engine was overloaded", null);
                    }
                }
                else
                {
                    FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "A script dial plan was empty, execution cannot continue.", dialPlanContext.Owner));
                    dialPlanContext.CallFailed(SIPResponseStatusCodesEnum.InternalServerError, "Dial plan script was empty", null);
                }
            }
            catch (Exception excp)
            {
                FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.Error, "Error executing script dialplan for " + uas.CallDestination + ". " + excp.Message, dialPlanContext.Owner));
                dialPlanContext.CallFailed(SIPResponseStatusCodesEnum.InternalServerError, "Dial plan exception starting script", null);
            }
        }
Esempio n. 2
0
        /// <summary>
        /// Processes a dialplan script (currently Ruby scripts only) for a received SIP INVITE request.
        /// </summary>
        /// <param name="coreLogDelegate">A function delegate that passes log/diagnostics events back to the SIP Proxy Core.</param>
        /// <param name="createBridgeDelegate">A function delegate that is called in the event that the dial plan command results in a call being answered and a bridge needing to be created.</param>
        /// <param name="localEndPoint">The SIP Proxy socket the request was received on.</param>
        /// <param name="remoteEndPoint">The socket the request was recevied from.</param>
        /// <param name="clientTransaction">The SIP Invite transaction that initiated the dial plan processing.</param>
        /// <param name="canonicalFromDomain">If (and only if) the call is an outgoing call this will be set to the canonical domain of the host in the SIP From
        /// header. An outgoing call is one from an authenticated user destined for an external SIP URI. If the call is an incoming this will be null.</param>
        /// <param name="canonicalToDomain">If (and only if) the call is an incoming call this will be set to the canonical domain of the host in the SIP URI
        /// request. An incoming call is one from an external caller to a URI corresponding to a hosted domain on this SIP Proxy.</param>
        private void ExecuteDialPlanScript(
            DialPlanScriptContext dialPlanContext,
            ISIPServerUserAgent uas,
            SIPCallDirection callDirection,
            DialogueBridgeCreatedDelegate createBridgeDelegate,
            ISIPCallManager callManager)
        {
            try
            {
                if (uas == null)
                {
                    throw new ArgumentNullException("The ISIPServerUserAgent parameter cannot be null when attempting to execute a dialplan script.");
                }

                FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.NewCall, "Executing script dial plan for call to " + uas.CallDestination + ".", dialPlanContext.Owner));

                if (!dialPlanContext.DialPlanScript.IsNullOrBlank())
                {
                    DialPlanExecutingScript dialPlanExecutionScript = null;
                    int runningScriptCount = (from script in m_runningScripts where !script.Complete select script).Count();

                    if (runningScriptCount < MAX_ALLOWED_SCRIPTSCOPES)
                    {
                        m_dialPlanScriptContextsCreated++;
                        //FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Creating DialPlanExecutingScript number " + m_dialPlanScriptContextsCreated + " for dialplan execution for script owned by " + dialPlanContext.Owner + ".", null));
                        dialPlanExecutionScript = new DialPlanExecutingScript(FireProxyLogEvent);
                    }
                    else
                    {
                        FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "Running script limit of " + MAX_ALLOWED_SCRIPTSCOPES + " reached.", null));
                        lock (m_runningScripts)
                        {
                            foreach (DialPlanExecutingScript runningScript in m_runningScripts)
                            {
                                FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, " running script owner=" + runningScript.Owner + ", dialplan name=" + runningScript.ExecutingDialPlanContext.SIPDialPlan.DialPlanName + ", start time=" + runningScript.StartTime.ToString("dd MMM yyyy HH:mm:ss") + ", is complete=" + runningScript.Complete + ".", null));
                            }
                        }
                    }

                    if (dialPlanExecutionScript != null)
                    {
                        dialPlanExecutionScript.Initialise(dialPlanContext);

                        DialPlanScriptFacade planFacade = new DialPlanScriptFacade(
                            m_sipTransport,
                            dialPlanExecutionScript,
                            FireProxyLogEvent,
                            createBridgeDelegate,
                            (uas.CallRequest != null) ? uas.CallRequest.Copy() : null,      // A different copy to the req object. Stops inadvertent changes in the dialplan.
                            callDirection,
                            dialPlanContext,
                            GetCanonicalDomainDelegate_External,
                            callManager,
                            m_sipSorceryPersistor,
                            m_outboundProxySocket,
                            this);

                        DialPlanCRMFacade    crmFacade    = new DialPlanCRMFacade(FireProxyLogEvent, dialPlanContext);
                        DialPlanLookupFacade lookupFacade = new DialPlanLookupFacade(FireProxyLogEvent, dialPlanContext.Owner);

                        ScriptScope rubyScope = dialPlanExecutionScript.DialPlanScriptScope;
                        rubyScope.SetVariable(SCRIPT_HELPEROBJECT_NAME, planFacade);
                        rubyScope.SetVariable(SCRIPT_CRMOBJECT_NAME, crmFacade);
                        rubyScope.SetVariable(SCRIPT_LOOKUPOBJECT_NAME, lookupFacade);
                        if (uas.CallRequest != null)
                        {
                            rubyScope.SetVariable(SCRIPT_REQUESTOBJECT_NAME, uas.CallRequest.Copy());
                        }

                        dialPlanExecutionScript.DialPlanScriptThread = new Thread(new ParameterizedThreadStart(delegate { ExecuteScript(dialPlanExecutionScript, dialPlanContext, planFacade, m_rubyScriptCommon + dialPlanContext.DialPlanScript); }));

                        lock (m_runningScripts)
                        {
                            m_runningScripts.Add(dialPlanExecutionScript);
                        }

                        dialPlanExecutionScript.DialPlanScriptThread.Start();
                    }
                    else
                    {
                        FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.Error, "Error processing call " + uas.CallDestination + " there were no script slots available, script could not be executed.", dialPlanContext.Owner));
                        dialPlanContext.CallFailed(SIPResponseStatusCodesEnum.InternalServerError, "Dial plan script engine was overloaded", null);
                    }
                }
                else
                {
                    FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.DialPlan, "A script dial plan was empty, execution cannot continue.", dialPlanContext.Owner));
                    dialPlanContext.CallFailed(SIPResponseStatusCodesEnum.InternalServerError, "Dial plan script was empty", null);
                }
            }
            catch (Exception excp)
            {
                FireProxyLogEvent(new SIPMonitorConsoleEvent(SIPMonitorServerTypesEnum.AppServer, SIPMonitorEventTypesEnum.Error, "Error executing script dialplan for " + uas.CallDestination + ". " + excp.Message, dialPlanContext.Owner));
                dialPlanContext.CallFailed(SIPResponseStatusCodesEnum.InternalServerError, "Dial plan exception starting script", null);
            }
        }