/// <summary>
/// Raises an error event to all registered loggers.
/// </summary>
/// <owner>SumedhK</owner>
/// <param name="sender"></param>
/// <param name="e"></param>
internal void RaiseErrorEvent(object sender, BuildErrorEventArgs e)
{
if (ErrorRaised != null)
{
try
{
ErrorRaised(sender, e);
}
catch (LoggerException)
{
// if a logger has failed politely, abort immediately
// first unregister all loggers, since other loggers may receive remaining events in unexpected orderings
// if a fellow logger is throwing in an event handler.
this.UnregisterAllLoggers();
throw;
}
catch (Exception exception)
{
// first unregister all loggers, since other loggers may receive remaining events in unexpected orderings
// if a fellow logger is throwing in an event handler.
this.UnregisterAllLoggers();
InternalLoggerException.Throw(exception, e, "FatalErrorWhileLogging", false);
}
}
RaiseAnyEvent(sender, e);
}
private void NodeLocalEngineLoop()
{
buildInProgress = true;
// Create a logging service for this build request
localEngine =
new Engine(parentGlobalProperties, toolsetSearchLocations, 1 /* cpus */, true /* child node */, this.nodeId, parentStartupDirectory, null);
localEngine.Router.ChildMode = true;
localEngine.Router.ParentNode = this;
this.outProcLoggingService = new EngineLoggingServicesOutProc(this, localEngine.FlushRequestEvent);
if (nodeLoggers.Length != 0)
{
foreach (LoggerDescription loggerDescription in nodeLoggers)
{
IForwardingLogger newLogger = null;
bool exitedDueToError = true;
try
{
newLogger = loggerDescription.CreateForwardingLogger();
// Check if the class was not found in the assembly
if (newLogger == null)
{
InternalLoggerException.Throw(null, null, "FatalErrorWhileInitializingLogger", true, loggerDescription.Name);
}
newLogger.Verbosity = loggerDescription.Verbosity;
newLogger.Parameters = loggerDescription.LoggerSwitchParameters;
newLogger.NodeId = nodeId;
EventRedirector newRedirector = new EventRedirector(loggerDescription.LoggerId, outProcLoggingService);
newLogger.BuildEventRedirector = newRedirector;
exitedDueToError = false;
}
// Polite logger failure
catch (LoggerException e)
{
ReportUnhandledError(e);
}
// Logger class was not found
catch (InternalLoggerException e)
{
ReportUnhandledError(e);
}
catch (Exception e)
{
// Wrap the exception in a InternalLoggerException and send it to the parent node
string errorCode;
string helpKeyword;
string message = ResourceUtilities.FormatResourceString(out errorCode, out helpKeyword, "FatalErrorWhileInitializingLogger", loggerDescription.Name);
ReportUnhandledError(new InternalLoggerException(message, e, null, errorCode, helpKeyword, true));
}
// If there was a failure registering loggers, null out the engine pointer
if (exitedDueToError)
{
localEngine = null;
return;
}
localEngine.RegisterLogger(newLogger);
}
localEngine.ExternalLoggingServices = outProcLoggingService;
}
// Hook up logging service to forward all events to the central engine if necessary
if (centralizedLogging)
{
if (nodeLoggers.Length != 0)
{
localEngine.LoggingServices.ForwardingService = outProcLoggingService;
localEngine.ExternalLoggingServices = outProcLoggingService;
}
else
{
localEngine.LoggingServices = outProcLoggingService;
}
}
localEngine.LoggingServices.OnlyLogCriticalEvents = this.logOnlyCriticalEvents;
if (!useBreadthFirstTraversal)
{
localEngine.PostEngineCommand(new ChangeTraversalTypeCommand(useBreadthFirstTraversal, true));
}
// Post all the requests that passed in while the engine was being constructed
// into the engine queue
lock (buildRequests)
{
while (buildRequests.Count != 0)
{
BuildRequest buildRequest = buildRequests.Dequeue();
localEngine.PostBuildRequest(buildRequest);
}
}
try
{
// If there are forwarding loggers registered - generate a custom build started
if (nodeLoggers.Length > 0)
{
localEngine.LoggingServices.LogBuildStarted(EngineLoggingServicesInProc.CENTRAL_ENGINE_EVENTSOURCE);
localEngine.LoggingServices.ProcessPostedLoggingEvents();
}
// Trigger the actual build if shutdown was not called while the engine was being initialized
if (!nodeShutdown)
{
localEngine.EngineBuildLoop(null);
}
}
catch (Exception e)
{
// Unhandled exception during execution. The node has to be shutdown.
ReportUnhandledError(e);
}
finally
{
if (localEngine != null)
{
// Flush all the messages associated before shutting down
localEngine.LoggingServices.ProcessPostedLoggingEvents();
NodeManager nodeManager = localEngine.NodeManager;
// If the local engine is already shutting down, the TEM will be nulled out
if (nodeManager.TaskExecutionModule != null && nodeManager.TaskExecutionModule.TaskExecutionTime != 0)
{
TimeSpan taskTimeSpan = new TimeSpan(localEngine.NodeManager.TaskExecutionModule.TaskExecutionTime);
totalTaskTime = (int)taskTimeSpan.TotalMilliseconds;
}
localEngine.Shutdown();
}
// Flush all the events to the parent engine
outProcLoggingService.ProcessPostedLoggingEvents();
// Indicate that the node logger thread should exit
exitNodeEvent.Set();
}
}