private void DispatcherCallFailed(ISIPClientUserAgent uac, string errorMessage)
{
try {
string workerSocket = SIPURI.ParseSIPURI(uac.CallDescriptor.Uri).Host;
dispatcherLogger.Debug("Dispatcher call to " + workerSocket + " failed " + errorMessage + ".");
// Find the worker for the failed end point.
SIPCallDispatcherWorker failedWorker = null;
lock (m_callDispatcherWorkers) {
foreach (SIPCallDispatcherWorker worker in m_callDispatcherWorkers)
{
if (worker.AppServerEndpoint.SocketEndPoint.ToString() == workerSocket)
{
failedWorker = worker;
break;
}
}
}
if (failedWorker != null)
{
dispatcherLogger.Debug("Scheduling immediate restart on worker process pid=" + failedWorker.WorkerProcess.Id + " due to failed probe.");
failedWorker.RestartTime = DateTime.Now;
}
}
catch (Exception excp) {
dispatcherLogger.Error("Exception DispatcherCallFailed. " + excp.Message);
}
}
private List <string> m_workerSIPEndPoints = new List <string>(); // Allow quick lookups to determine whether a remote end point is that of a worker process.
public SIPCallDispatcher(
SIPMonitorLogDelegate logDelegate,
SIPTransport sipTransport,
XmlNode callDispatcherNode,
SIPEndPoint outboundProxy,
string dispatcherScriptPath)
{
if (callDispatcherNode == null || callDispatcherNode.ChildNodes.Count == 0)
{
throw new ArgumentNullException("A SIPCallDispatcher cannot be created with an empty configuration node.");
}
SIPMonitorLogEvent_External = logDelegate;
m_sipTransport = sipTransport;
m_callDispatcherNode = callDispatcherNode;
m_outboundProxy = outboundProxy;
m_dispatcherScriptPath = dispatcherScriptPath;
m_scriptLoader = new ScriptLoader(SIPMonitorLogEvent_External, m_dispatcherScriptPath);
m_scriptLoader.ScriptFileChanged += (s, e) => { m_compiledScript = m_scriptLoader.GetCompiledScript(); };
m_compiledScript = m_scriptLoader.GetCompiledScript();
try {
CallManagerPassThruServiceInstanceProvider callManagerPassThruSvcInstanceProvider = new CallManagerPassThruServiceInstanceProvider(this);
m_callManagerPassThruSvcHost = new ServiceHost(typeof(CallManagerPassThruService));
m_callManagerPassThruSvcHost.Description.Behaviors.Add(callManagerPassThruSvcInstanceProvider);
m_callManagerPassThruSvcHost.Open();
logger.Debug("SIPCallDispatcher CallManagerPassThru hosted service successfully started on " + m_callManagerPassThruSvcHost.BaseAddresses[0].AbsoluteUri + ".");
}
catch (Exception excp) {
logger.Warn("Exception starting SIPCallDispatcher CallManagerPassThru hosted service. " + excp.Message);
}
foreach (XmlNode callDispatcherWorkerNode in callDispatcherNode.ChildNodes)
{
SIPCallDispatcherWorker callDispatcherWorker = new SIPCallDispatcherWorker(callDispatcherWorkerNode);
m_callDispatcherWorkers.Add(callDispatcherWorker);
m_workerSIPEndPoints.Add(callDispatcherWorker.AppServerEndpoint.ToString());
dispatcherLogger.Debug(" SIPCallDispatcher worker added for " + callDispatcherWorker.AppServerEndpoint.ToString() + " and " + callDispatcherWorker.CallManagerAddress.ToString() + ".");
}
ThreadPool.QueueUserWorkItem(delegate { SpawnWorkers(); });
ThreadPool.QueueUserWorkItem(delegate { ProbeWorkers(); });
}
private List<string> m_workerSIPEndPoints = new List<string>(); // Allow quick lookups to determine whether a remote end point is that of a worker process.
public SIPCallDispatcher(
SIPMonitorLogDelegate logDelegate,
SIPTransport sipTransport,
XmlNode callDispatcherNode,
SIPEndPoint outboundProxy,
string dispatcherScriptPath) {
if (callDispatcherNode == null || callDispatcherNode.ChildNodes.Count == 0) {
throw new ArgumentNullException("A SIPCallDispatcher cannot be created with an empty configuration node.");
}
SIPMonitorLogEvent_External = logDelegate;
m_sipTransport = sipTransport;
m_callDispatcherNode = callDispatcherNode;
m_outboundProxy = outboundProxy;
m_dispatcherScriptPath = dispatcherScriptPath;
m_scriptLoader = new ScriptLoader(SIPMonitorLogEvent_External, m_dispatcherScriptPath);
m_scriptLoader.ScriptFileChanged += (s, e) => { m_compiledScript = m_scriptLoader.GetCompiledScript(); };
m_compiledScript = m_scriptLoader.GetCompiledScript();
try {
CallManagerPassThruServiceInstanceProvider callManagerPassThruSvcInstanceProvider = new CallManagerPassThruServiceInstanceProvider(this);
m_callManagerPassThruSvcHost = new ServiceHost(typeof(CallManagerPassThruService));
m_callManagerPassThruSvcHost.Description.Behaviors.Add(callManagerPassThruSvcInstanceProvider);
m_callManagerPassThruSvcHost.Open();
logger.Debug("SIPCallDispatcher CallManagerPassThru hosted service successfully started on " + m_callManagerPassThruSvcHost.BaseAddresses[0].AbsoluteUri + ".");
}
catch (Exception excp) {
logger.Warn("Exception starting SIPCallDispatcher CallManagerPassThru hosted service. " + excp.Message);
}
foreach (XmlNode callDispatcherWorkerNode in callDispatcherNode.ChildNodes) {
SIPCallDispatcherWorker callDispatcherWorker = new SIPCallDispatcherWorker(callDispatcherWorkerNode);
m_callDispatcherWorkers.Add(callDispatcherWorker);
m_workerSIPEndPoints.Add(callDispatcherWorker.AppServerEndpoint.ToString());
dispatcherLogger.Debug(" SIPCallDispatcher worker added for " + callDispatcherWorker.AppServerEndpoint.ToString() + " and " + callDispatcherWorker.CallManagerAddress.ToString() + ".");
}
ThreadPool.QueueUserWorkItem(delegate { SpawnWorkers(); });
ThreadPool.QueueUserWorkItem(delegate { ProbeWorkers(); });
}
