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();
}
}
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();
}
}
/// <summary>
/// Called to register distributed loggers with the engine.
/// This method is not thread safe. All loggers should registered prior to
/// starting the build in order to guarantee uniform behavior
/// </summary>
/// <exception cref="LoggerException">Logger indicating it failed in a controlled way</exception>
/// <exception cref="InternalLoggerException">Logger threw arbitrary exception</exception>
public void RegisterDistributedLogger(ILogger centralLogger, LoggerDescription forwardingLogger)
{
error.VerifyThrowArgumentNull(forwardingLogger, "forwardingLogger");
if (centralLogger == null)
{
centralLogger = new NullCentralLogger();
}
// If this is the first distributed logger we need to create an event source for local
// forwarding loggers
if (eventSourceForForwarding == null)
{
eventSourceForForwarding = new EventSource();
((EngineLoggingServicesInProc)primaryLoggingServices).RegisterEventSource
(EngineLoggingServicesInProc.LOCAL_FORWARDING_EVENTSOURCE, eventSourceForForwarding);
}
// Assign a unique logger Id to this distributed logger
int loggerId = lastUsedLoggerId;
lastUsedLoggerId++;
forwardingLogger.LoggerId = loggerId;
//Create and configure the local node logger
IForwardingLogger localForwardingLogger = null;
try
{
localForwardingLogger = forwardingLogger.CreateForwardingLogger();
// Check if the class was not found in the assembly
if (localForwardingLogger == null)
{
InternalLoggerException.Throw(null, null, "LoggerNotFoundError", true, forwardingLogger.Name);
}
// Configure the object
EventRedirector newRedirector = new EventRedirector(forwardingLogger.LoggerId, primaryLoggingServices);
localForwardingLogger.BuildEventRedirector = newRedirector;
localForwardingLogger.Parameters = forwardingLogger.LoggerSwitchParameters;
localForwardingLogger.Verbosity = forwardingLogger.Verbosity;
localForwardingLogger.NodeId= nodeId;
// Convert the path to the logger DLL to full path before passing it to the node provider
forwardingLogger.ConvertPathsToFullPaths();
}
// Polite logger failure
catch (LoggerException)
{
throw;
}
// Logger class was not found
catch (InternalLoggerException)
{
throw;
}
catch (Exception e)
{
InternalLoggerException.Throw(e, null, "LoggerCreationError", true, forwardingLogger.Name);
}
// Register the local forwarding logger to listen for all local events
RegisterLoggerInternal(localForwardingLogger, eventSourceForForwarding, true);
//Register this logger's node logger with the node manager so that all
//the nodes instantiate this node logger and forward the events
nodeManager.RegisterNodeLogger(forwardingLogger);
// Create a private event source that will be used by this distributed logger and register
// the central logger with the engine
EventSource privateEventSource = new EventSource();
RegisterLoggerInternal(centralLogger, privateEventSource, false);
// Register the private event source with the logging services so that the events from the local
// node logger are forwarded to the central logger
((EngineLoggingServicesInProc)primaryLoggingServices).RegisterEventSource(forwardingLogger.LoggerId, privateEventSource);
}