public SIPAppServerManager(
SIPMonitorLogDelegate logDelegate,
SIPTransport sipTransport,
XmlNode appServerWorkersNode,
string appServerEndPointsPath)
{
if (appServerWorkersNode == null || appServerWorkersNode.ChildNodes.Count == 0)
{
throw new ArgumentNullException("A SIPAppServerManager cannot be created with an empty workers node.");
}
SIPMonitorLogEvent_External = logDelegate;
m_sipTransport = sipTransport;
m_appServerWorkersNode = appServerWorkersNode;
m_appServerEndPointsPath = appServerEndPointsPath;
if (!appServerEndPointsPath.IsNullOrBlank() && File.Exists(appServerEndPointsPath))
{
m_sipCallDispatcherFile = new SIPCallDispatcherFile(logDelegate, appServerEndPointsPath);
}
try
{
CallManagerPassThruServiceInstanceProvider callManagerPassThruSvcInstanceProvider = new CallManagerPassThruServiceInstanceProvider(this);
m_callManagerPassThruSvcHost = new ServiceHost(typeof(CallManagerPassThruService));
m_callManagerPassThruSvcHost.Description.Behaviors.Add(callManagerPassThruSvcInstanceProvider);
m_callManagerPassThruSvcHost.Open();
logger.Debug("SIPAppServerManager CallManagerPassThru hosted service successfully started on " + m_callManagerPassThruSvcHost.BaseAddresses[0].AbsoluteUri + ".");
}
catch (Exception excp)
{
logger.Warn("Exception starting SIPAppServerManager CallManagerPassThru hosted service. " + excp.Message);
}
foreach (XmlNode appServerWorkerNode in m_appServerWorkersNode.ChildNodes)
{
XmlNode workerNode = appServerWorkerNode;
ThreadPool.QueueUserWorkItem(delegate { ManageWorker(workerNode); });
Thread.Sleep(1000); // Won't be able to start until all subsequnet workers are started anyway due to the need for the recycle lock.
}
}
public SIPProxyCore(
SIPMonitorLogDelegate proxyLogger,
SIPTransport sipTransport,
string scriptPath,
string appServerEndPointsPath)
{
try
{
m_proxyLogger = proxyLogger ?? m_proxyLogger;
m_scriptPath = scriptPath;
m_sipTransport = sipTransport;
if (!appServerEndPointsPath.IsNullOrBlank() && File.Exists(appServerEndPointsPath))
{
m_sipCallDispatcherFile = new SIPCallDispatcherFile(SendMonitorEvent, appServerEndPointsPath);
m_sipCallDispatcherFile.LoadAndWatch();
}
else
{
logger.Warn("No call dispatcher file specified for SIP Proxy.");
}
m_proxyDispatcher = new SIPProxyDispatcher(new SIPMonitorLogDelegate(SendMonitorEvent));
GetAppServerDelegate getAppServer = (m_sipCallDispatcherFile != null) ? new GetAppServerDelegate(m_sipCallDispatcherFile.GetAppServer) : null;
m_proxyScriptFacade = new SIPProxyScriptFacade(
new SIPMonitorLogDelegate(SendMonitorEvent), // Don't use the m_proxyLogger delegate directly here as doing so caused stack overflow exceptions in the IronRuby engine.
sipTransport,
m_proxyDispatcher,
getAppServer);
m_scriptLoader = new ScriptLoader(SendMonitorEvent, m_scriptPath);
m_scriptLoader.ScriptFileChanged += (s, e) => { m_compiledScript = m_scriptLoader.GetCompiledScript(); };
m_compiledScript = m_scriptLoader.GetCompiledScript();
// Events that pass the SIP requests and responses onto the Stateless Proxy Core.
m_sipTransport.SIPTransportRequestReceived += GotRequest;
m_sipTransport.SIPTransportResponseReceived += GotResponse;
}
catch (Exception excp)
{
logger.Error("Exception SIPProxyCore (ctor). " + excp.Message);
throw excp;
}
}
public SIPAppServerManager(
SIPMonitorLogDelegate logDelegate,
SIPTransport sipTransport,
XmlNode appServerWorkersNode,
string appServerEndPointsPath)
{
if (appServerWorkersNode == null || appServerWorkersNode.ChildNodes.Count == 0)
{
throw new ArgumentNullException("A SIPAppServerManager cannot be created with an empty workers node.");
}
SIPMonitorLogEvent_External = logDelegate;
m_sipTransport = sipTransport;
m_appServerWorkersNode = appServerWorkersNode;
m_appServerEndPointsPath = appServerEndPointsPath;
if (!appServerEndPointsPath.IsNullOrBlank() && File.Exists(appServerEndPointsPath))
{
m_sipCallDispatcherFile = new SIPCallDispatcherFile(logDelegate, appServerEndPointsPath);
}
try
{
CallManagerPassThruServiceInstanceProvider callManagerPassThruSvcInstanceProvider = new CallManagerPassThruServiceInstanceProvider(this);
m_callManagerPassThruSvcHost = new ServiceHost(typeof(CallManagerPassThruService));
m_callManagerPassThruSvcHost.Description.Behaviors.Add(callManagerPassThruSvcInstanceProvider);
m_callManagerPassThruSvcHost.Open();
logger.Debug("SIPAppServerManager CallManagerPassThru hosted service successfully started on " + m_callManagerPassThruSvcHost.BaseAddresses[0].AbsoluteUri + ".");
}
catch (Exception excp)
{
logger.Warn("Exception starting SIPAppServerManager CallManagerPassThru hosted service. " + excp.Message);
}
foreach (XmlNode appServerWorkerNode in m_appServerWorkersNode.ChildNodes)
{
SIPAppServerWorker appServerWorker = new SIPAppServerWorker(appServerWorkerNode);
if (m_sipCallDispatcherFile != null)
{
appServerWorker.Healthy += WorkerIsHealthy;
appServerWorker.Unhealthy += WorkerIsUnhealthy;
}
m_appServerWorkers.Add(appServerWorker);
m_workerSIPEndPoints.Add(appServerWorker.AppServerEndpoint.ToString());
logger.Debug("SIPAppServerManager worker added for " + appServerWorker.AppServerEndpoint.ToString() + " and " + appServerWorker.CallManagerAddress.ToString() + ".");
}
ThreadPool.QueueUserWorkItem(delegate { SpawnWorkers(); });
ThreadPool.QueueUserWorkItem(delegate { ProbeWorkers(); });
}
