/// <summary>
/// Record the endpoint state transitions to the console.
/// </summary>
/// <param name="sender">Endpoint that saw its state change.</param>
/// <param name="e">Data about the endpoint state change event.</param>
private void _endpoint_StateChanged(object sender, LocalEndpointStateChangedEventArgs e)
{
// Extract the endpoint that sent the state change event.
ApplicationEndpoint endpoint = sender as ApplicationEndpoint;
UCMASampleHelper.WriteLine("Endpoint (" + endpoint.OwnerUri
+ ") has changed state. The previous endpoint state was '"
+ e.PreviousState + "' and the current state is '" + e.State + "'.");
}
/// <summary>
/// Callback from <code>BeginShutdown</code> method on platform.
/// </summary>
/// <param name="result">
/// Status of the platform shutdown operation.
/// </param>
private void PlatformShutdownCompleted(IAsyncResult result)
{
// Extract the platform that was passed in as the state argument to
// the BeginShutdown() method.
CollaborationPlatform platform = result.AsyncState as CollaborationPlatform;
if (platform == null)
{
UCMASampleHelper.WriteErrorLine(
"CollaborationPlatform not passed into BeginShutdown() method.");
UCMASampleHelper.FinishSample();
return;
}
// Determine whether the shutdown operation completed
// successfully.
platform.EndShutdown(result);
UCMASampleHelper.WriteLine("The platform is now shut down.");
}
/// <summary>
/// Callback from <code>BeginStartup</code> method on platform.
/// </summary>
/// <param name="result">
/// Status of the platform startup operation.
/// </param>
private void PlatformStartupCompleted(IAsyncResult result)
{
// Extract the platform that was passed in as the state argument to
// the BeginStartup() method.
CollaborationPlatform platform = result.AsyncState as CollaborationPlatform;
if (platform == null)
{
UCMASampleHelper.WriteErrorLine("CollaborationPlatform not passed into BeginStartup() method.");
UCMASampleHelper.FinishSample();
return;
}
try
{
// Determine whether the startup operation completed
// successfully.
platform.EndStartup(result);
UCMASampleHelper.WriteLine("Platform has been started.");
}
catch (TlsFailureException tlsFailureException)
{
// TlsFailureException will be thrown if the certificate used to
// startup the platform is invalid or otherwise unusable.
// TODO (Left to the reader): Error handling code to either
// retry the platform startup operation with a different
// certificate, log the error for debugging, or gracefully exit
// the program.
UCMASampleHelper.WriteException(tlsFailureException);
UCMASampleHelper.FinishSample();
}
catch (ConnectionFailureException connectionFailureException)
{
// ConnectionFailureException will be thrown when the platform
// could not listen on any of the configured IP/port
// combinations.
// TODO (Left to the reader): Error handling code to notify user
// the configured IP address cannot be used or some other
// process is already using the port, log the error for
// debugging, or gracefully exit the program.
UCMASampleHelper.WriteException(connectionFailureException);
UCMASampleHelper.FinishSample();
}
catch (RealTimeException realTimeException)
{
// RealTimeException will be thrown when the platform startup
// operation failed for some other reason.
// TODO (Left to the reader): Error handling code to notify user
// the configured IP address cannot be used or some other
// process is already using the port, log the error for
// debugging, or gracefully exit the program.
UCMASampleHelper.WriteException(realTimeException);
UCMASampleHelper.FinishSample();
}
try
{
// Create the ApplicationEndpointSettings.
_endpointSettings = new ApplicationEndpointSettings(_endpointOwnerURI,
_registrarFQDN,
_registrarPort);
// Create the ApplicationEndpoint from the
// ApplicationEndpointSettings and bind it to the platform.
_endpoint = new ApplicationEndpoint(platform, _endpointSettings);
// Bind an event handler to notify when the endpoint changes
// state.
_endpoint.StateChanged += new EventHandler <LocalEndpointStateChangedEventArgs>(
_endpoint_StateChanged);
// Establish the endpoint so that it can receive incoming calls
// and conference invitations. EndEndpointEstablish() will be
// called when the endpoint finishes establishment.
_endpoint.BeginEstablish(EndpointEstablishmentCompleted, _endpoint);
UCMASampleHelper.WriteLine("Endpoint has been established.");
}
catch (ArgumentNullException argumentNullException)
{
// ArgumentNullException will be thrown if the parameters used to
// construct ApplicationEndpointSettings or ApplicationEndpoint
// are null.
// TODO (Left to the reader): Error handling code to either
// retry creating the endpoint with non-null parameters, log the
// error for debugging or gracefully exit the program.
UCMASampleHelper.WriteException(argumentNullException);
UCMASampleHelper.FinishSample();
}
catch (ArgumentException argumentException)
{
// ArgumentException will be thrown if the parameters used to
// construct ApplicationEndpointSettings or ApplicationEndpoint
// are invalid.
// TODO (Left to the reader): Error handling code to either
// retry creating the endpoint with corrected parameters, log
// the error for debugging or gracefully exit the program.
UCMASampleHelper.WriteException(argumentException);
UCMASampleHelper.FinishSample();
}
catch (InvalidOperationException invalidOperationException)
{
// InvalidOperationException will be thrown if the platform is
// already shutdown, an endpoint with the same SIP URI already
// exists, or the endpoint has already been established or
// terminated.
// TODO (Left to the reader): Error handling code to log the
// error for debugging.
UCMASampleHelper.WriteException(invalidOperationException);
UCMASampleHelper.FinishSample();
}
}
/// <summary>
/// Retrieves the application configuration and begins starting up the
/// platform.
/// </summary>
private void Run()
{
// Prompt for the settings necessary to initialize the
// CollaborationPlatform and the ApplicationEndpoint if they are
// not declared in App.config.
// TODO (Left to the reader): Input sanitization on the
// collected parameters.
_applicationHostFQDN = UCMASampleHelper.PromptUser(
"Please enter the FQDN assigned to this computer in the trusted application pool => ",
"TrustedAppComputerFQDN");
if (string.IsNullOrEmpty(_applicationHostFQDN))
{
UCMASampleHelper.WriteErrorLine(
"No FQDN was found in App.config or input by the user.");
}
string inputPort = UCMASampleHelper.PromptUser(
"Please enter the port assigned to this trusted application => ",
"TrustedAppPort");
if (!int.TryParse(inputPort, out _applicationHostPort))
{
UCMASampleHelper.WriteErrorLine(
"Port could not be parsed from App.config or from input by the user.");
}
_computerGRUU = UCMASampleHelper.PromptUser(
"Please enter the GRUU assigned to this computer for this trusted application => ",
"TrustedAppComputerGRUU");
if (string.IsNullOrEmpty(_computerGRUU))
{
UCMASampleHelper.WriteErrorLine("No GRUU was found in App.config or input by the user.");
}
_certificateFriendlyName = UCMASampleHelper.PromptUser(
"Please enter the friendly name of the certificate identifying this computer => ",
"CertificateFriendlyName");
if (string.IsNullOrEmpty(_certificateFriendlyName))
{
UCMASampleHelper.WriteErrorLine(
"No certificate friendly name was found in App.config or input by the user.");
}
_certificate = UCMASampleHelper.GetLocalCertificate(_certificateFriendlyName);
if (_certificate == null)
{
UCMASampleHelper.WriteErrorLine("Certificate with friendly name '" + _certificateFriendlyName
+ "' could not be found in computer account Personal certificate store.");
}
_endpointOwnerURI = UCMASampleHelper.PromptUser(
"Please enter the SIP URI assigned to this trusted application endpoint => ",
"TrustedAppEpOwnerURI");
if (string.IsNullOrEmpty(_endpointOwnerURI))
{
UCMASampleHelper.WriteErrorLine("No SIP URI was found in App.config or input by the user.");
}
_registrarFQDN = UCMASampleHelper.PromptUser(
"Please enter the FQDN of the registrar pool to which this endpoint is assigned => ",
"RegistrarFQDN");
if (string.IsNullOrEmpty(_registrarFQDN))
{
UCMASampleHelper.WriteErrorLine(
"No registrar pool FQDN was found in App.config or input by the user.");
}
string inputRegistrarPort = UCMASampleHelper.PromptUser(
"Please enter the port used by the registrar pool to which this endpoint is assigned => ",
"RegistrarPort");
if (!int.TryParse(inputRegistrarPort, out _registrarPort))
{
UCMASampleHelper.WriteErrorLine(
"Registrar port could not be parsed from App.config or from input by the user.");
}
try
{
// Create the CollaborationPlatform using the
// ServerPlatformSettings.
_platformSettings = new ServerPlatformSettings(_applicationUserAgent,
_applicationHostFQDN,
_applicationHostPort,
_computerGRUU,
_certificate);
_platform = new CollaborationPlatform(_platformSettings);
// Initialize and startup the platform. EndPlatformStartup()
// will be called when the platform finishes starting up.
UCMASampleHelper.WriteLine("Starting platform...");
_platform.BeginStartup(PlatformStartupCompleted, _platform);
}
catch (ArgumentNullException argumentNullException)
{
// ArgumentNullException will be thrown if the parameters used
// to construct ServerPlatformSettings or CollaborationPlatform
// are null.
// TODO (Left to the reader): Error handling code to either
// retry creating the platform with non-null parameters, log the
// error for debugging or gracefully exit the program.
UCMASampleHelper.WriteException(argumentNullException);
UCMASampleHelper.FinishSample();
}
catch (ArgumentOutOfRangeException argumentOutOfRangeException)
{
// ArgumentOutOfRangeException will be thrown if the port
// parameter used to construct ServerPlatformSettings is greater
// than 65536 or less than 0.
// TODO (Left to the reader): Error handling code to either
// retry creating the platform with a valid port, log the error
// for debugging or gracefully exit the program.
UCMASampleHelper.WriteException(argumentOutOfRangeException);
UCMASampleHelper.FinishSample();
}
catch (ArgumentException argumentException)
{
// ArgumentException will be thrown if the parameters used to
// construct ServerPlatformSettings or CollaborationPlatform are
// invalid.
// TODO (Left to the reader): Error handling code to either
// retry creating the platform with corrected parameters, log
// the error for debugging or gracefully exit the program.
UCMASampleHelper.WriteException(argumentException);
UCMASampleHelper.FinishSample();
}
catch (TlsFailureException tlsFailureException)
{
// TlsFailureException will be thrown if the certificate used to
// construct CollaborationPlatform is invalid or otherwise
// unusable.
// TODO (Left to the reader): Error handling code to either
// retry creating the platform with a valid certificate, log the
// error for debugging or gracefully exit the program.
UCMASampleHelper.WriteException(tlsFailureException);
UCMASampleHelper.FinishSample();
}
catch (CryptographicException cryptographicException)
{
// CryptographicException will be thrown if the certificate used
// to construct ServerPlatformSettings is invalid.
// TODO (Left to the reader): Error handling code to either
// retry creating the platform with a valid certificate, log the
// error for debugging or gracefully exit the program.
UCMASampleHelper.WriteException(cryptographicException);
UCMASampleHelper.FinishSample();
}
catch (InvalidOperationException invalidOperationException)
{
// InvalidOperationException will be thrown if the platform has
// already been started or shutdown.
// TODO (Left to the reader): Error handling code to log the
// error for debugging.
UCMASampleHelper.WriteException(invalidOperationException);
UCMASampleHelper.FinishSample();
}
finally
{
// Wait for the sample to finish before shutting down the
// platform and returning from the main thread.
UCMASampleHelper.WaitForSampleFinish();
// It is possible the platform was never created due to issues
// collecting configuration parameters.
if (_platform != null)
{
// Shutdown the platform, thereby terminating any attached
// endpoints.
UCMASampleHelper.WriteLine("Shutting down the platform...");
_platform.BeginShutdown(PlatformShutdownCompleted, _platform);
}
}
}