/// <summary>
/// Handles the NodeConfiguration packet.
/// </summary>
private void HandleNodeConfiguration(NodeConfiguration configuration)
{
// Set the culture.
#if FEATURE_CULTUREINFO_SETTERS
CultureInfo.CurrentCulture = configuration.BuildParameters.Culture;
CultureInfo.CurrentUICulture = configuration.BuildParameters.UICulture;
#else
Thread.CurrentThread.CurrentCulture = configuration.BuildParameters.Culture;
Thread.CurrentThread.CurrentUICulture = configuration.BuildParameters.UICulture;
#endif
// Snapshot the initial environment.
_savedEnvironment = CommunicationsUtilities.GetEnvironmentVariables();
// Save the current directory.
_savedCurrentDirectory = NativeMethodsShared.GetCurrentDirectory();
// Set the node id.
_componentHost.BuildParameters.NodeId = configuration.NodeId;
_shutdownException = null;
#if FEATURE_APPDOMAIN
// And the AppDomainSetup
_componentHost.BuildParameters.AppDomainSetup = configuration.AppDomainSetup;
#endif
// Declare in-proc
_componentHost.BuildParameters.IsOutOfProc = false;
// Set the logging exception handler
ILoggingService loggingService = _componentHost.LoggingService;
loggingService.OnLoggingThreadException += new LoggingExceptionDelegate(OnLoggingThreadException);
// Now prep the buildRequestEngine for the build.
_loggingContext = new NodeLoggingContext(loggingService, configuration.NodeId, true /* inProcNode */);
_buildRequestEngine.OnEngineException += _engineExceptionEventHandler;
_buildRequestEngine.OnNewConfigurationRequest += _newConfigurationRequestEventHandler;
_buildRequestEngine.OnRequestBlocked += _requestBlockedEventHandler;
_buildRequestEngine.OnRequestComplete += _requestCompleteEventHandler;
if (_shutdownException != null)
{
Exception exception;
HandleShutdown(out exception);
throw exception;
}
_buildRequestEngine.InitializeForBuild(_loggingContext);
// Finally store off this configuration packet.
_currentConfiguration = configuration;
}
public bool Execute()
{
// log that we are about to spawn the task host
string runtime = _taskHostParameters[XMakeAttributes.runtime];
string architecture = _taskHostParameters[XMakeAttributes.architecture];
_taskLoggingContext.LogComment(MessageImportance.Low, "ExecutingTaskInTaskHost", _taskType.Type.Name, _taskType.Assembly.AssemblyLocation, runtime, architecture);
// set up the node
lock (_taskHostLock)
{
_taskHostProvider = (NodeProviderOutOfProcTaskHost)_buildComponentHost.GetComponent(BuildComponentType.OutOfProcTaskHostNodeProvider);
ErrorUtilities.VerifyThrowInternalNull(_taskHostProvider, "taskHostProvider");
}
TaskHostConfiguration hostConfiguration =
new TaskHostConfiguration
(
_buildComponentHost.BuildParameters.NodeId,
NativeMethodsShared.GetCurrentDirectory(),
CommunicationsUtilities.GetEnvironmentVariables(),
_buildComponentHost.BuildParameters.Culture,
_buildComponentHost.BuildParameters.UICulture,
#if FEATURE_APPDOMAIN
_appDomainSetup,
#endif
BuildEngine.LineNumberOfTaskNode,
BuildEngine.ColumnNumberOfTaskNode,
BuildEngine.ProjectFileOfTaskNode,
BuildEngine.ContinueOnError,
_taskType.Type.FullName,
AssemblyUtilities.GetAssemblyLocation(_taskType.Type.GetTypeInfo().Assembly),
_buildComponentHost.BuildParameters.LogTaskInputs,
_setParameters,
new Dictionary <string, string>(_buildComponentHost.BuildParameters.GlobalProperties),
_taskLoggingContext.GetWarningsAsErrors(),
_taskLoggingContext.GetWarningsAsMessages()
);
try
{
lock (_taskHostLock)
{
_requiredContext = CommunicationsUtilities.GetHandshakeOptions(taskHost: true, taskHostParameters: _taskHostParameters);
_connectedToTaskHost = _taskHostProvider.AcquireAndSetUpHost(_requiredContext, this, this, hostConfiguration);
}
if (_connectedToTaskHost)
{
try
{
bool taskFinished = false;
while (!taskFinished)
{
_packetReceivedEvent.WaitOne();
INodePacket packet = null;
// Handle the packet that's coming in
while (_receivedPackets.TryDequeue(out packet))
{
if (packet != null)
{
HandlePacket(packet, out taskFinished);
}
}
}
}
finally
{
lock (_taskHostLock)
{
_taskHostProvider.DisconnectFromHost(_requiredContext);
_connectedToTaskHost = false;
}
}
}
else
{
LogErrorUnableToCreateTaskHost(_requiredContext, runtime, architecture, null);
}
}
catch (BuildAbortedException)
{
LogErrorUnableToCreateTaskHost(_requiredContext, runtime, architecture, null);
}
catch (NodeFailedToLaunchException e)
{
LogErrorUnableToCreateTaskHost(_requiredContext, runtime, architecture, e);
}
return(_taskExecutionSucceeded);
}
/// <summary>
/// Starts up the node and processes messages until the node is requested to shut down.
/// </summary>
/// <param name="shutdownException">The exception which caused shutdown, if any.</param>
/// <returns>The reason for shutting down.</returns>
public NodeEngineShutdownReason Run(out Exception shutdownException)
{
try
{
_nodeEndpoint.OnLinkStatusChanged += OnLinkStatusChanged;
_nodeEndpoint.Listen(this);
var waitHandles = new WaitHandle[] { _shutdownEvent, _packetReceivedEvent };
// Get the current directory before doing work. We need this so we can restore the directory when the node shuts down.
_savedCurrentDirectory = NativeMethodsShared.GetCurrentDirectory();
while (true)
{
int index = WaitHandle.WaitAny(waitHandles);
switch (index)
{
case 0:
{
NodeEngineShutdownReason shutdownReason = HandleShutdown(out shutdownException);
if (_componentHost.BuildParameters.ShutdownInProcNodeOnBuildFinish)
{
return(shutdownReason);
}
break;
}
case 1:
while (_receivedPackets.TryDequeue(out INodePacket packet))
{
if (packet != null)
{
HandlePacket(packet);
}
}
break;
}
}
}
catch (ThreadAbortException)
{
// Do nothing. This will happen when the thread is forcibly terminated because we are shutting down, for example
// when the unit test framework terminates.
throw;
}
catch (Exception e)
{
// Dump all engine exceptions to a temp file
// so that we have something to go on in the
// event of a failure
ExceptionHandling.DumpExceptionToFile(e);
// This is fatal: process will terminate: make sure the
// debugger launches
ErrorUtilities.ThrowInternalError(e.Message, e);
throw;
}
// UNREACHABLE
}