/// <summary>
/// This method lets the host request an evaluation of a build request. A local engine
/// will be created if necessary.
/// </summary>
internal void PostBuildRequest
(
BuildRequest buildRequest
)
{
buildRequest.RestoreNonSerializedDefaults();
buildRequest.NodeIndex = EngineCallback.inProcNode;
// A request has come from the parent engine, so mark it as external
buildRequest.IsExternalRequest = true;
if (localEngine == null)
{
// Check if an an engine has been allocated and if not start the thread that will do that
lock (buildRequests)
{
if (localEngine == null)
{
if (!launchedEngineLoopThread)
{
launchedEngineLoopThread = true;
ThreadStart threadState = new ThreadStart(this.NodeLocalEngineLoop);
Thread taskThread = new Thread(threadState);
taskThread.Name = "MSBuild Child Engine";
taskThread.SetApartmentState(ApartmentState.STA);
taskThread.Start();
}
buildRequests.Enqueue(buildRequest);
}
else
{
localEngine.PostBuildRequest(buildRequest);
}
}
}
else
{
if (!buildInProgress)
{
buildInProgress = true;
// 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();
}
}
localEngine.PostBuildRequest(buildRequest);
}
}
private void ProcessBuildRequest(BuildRequest buildRequest)
{
ExecutionContext executionContext = GetExecutionContextFromHandleId(buildRequest.HandleId);
// Restore the requests non-serialized data to the correct state
buildRequest.RestoreNonSerializedDefaults();
buildRequest.NodeIndex = executionContext.NodeIndex;
ErrorUtilities.VerifyThrow(buildRequest.ParentBuildEventContext != null, "Should not have a null parentBuildEventContext");
ErrorUtilities.VerifyThrow(buildRequest.IsGeneratedRequest == true, "Should not be sending a non generated request from the child node to the parent node");
// For buildRequests originating from the TEM - additional initialization is necessary
TaskExecutionContext taskExecutionContext = executionContext as TaskExecutionContext;
if (taskExecutionContext != null)
{
Project parentProject = taskExecutionContext.ParentProject;
buildRequest.ParentHandleId = taskExecutionContext.TriggeringBuildRequest.HandleId;
buildRequest.ParentRequestId = taskExecutionContext.TriggeringBuildRequest.RequestId;
if (buildRequest.ToolsetVersion == null && parentProject.OverridingToolsVersion)
{
// If the MSBuild task (or whatever) didn't give us a specific tools version,
// but the parent project is using an overridden tools version, then use that one
buildRequest.ToolsetVersion = parentProject.ToolsVersion;
}
try
{
if (buildRequest.GlobalProperties == null)
{
try
{
// Make sure we have a blank global properties because if there is a problem merging them we wont have a crash when we try and cache the build result.
buildRequest.GlobalProperties = new BuildPropertyGroup();
buildRequest.GlobalProperties =
parentEngine.MergeGlobalProperties(parentProject.GlobalProperties, null,
buildRequest.ProjectFileName,
buildRequest.GlobalPropertiesPassedByTask);
}
catch (ArgumentException e)
{
ConvertToInvalidProjectException(buildRequest, parentProject, e);
}
catch (InvalidOperationException e)
{
ConvertToInvalidProjectException(buildRequest, parentProject, e);
}
}
// We need to figure out which project object this request is refering to
if (buildRequest.ProjectFileName == null)
{
ErrorUtilities.VerifyThrow(parentProject != null, "Parent project must be non-null");
// This means the caller (the MSBuild task) wants us to use the same project as the calling
// project. This allows people to avoid passing in the Projects parameter on the MSBuild task.
Project projectToBuild = parentProject;
// If the parent project (the calling project) already has the same set of global properties
// as what is being requested, just re-use it. Otherwise, we need to instantiate a new
// project object that has the same project contents but different global properties.
if (!projectToBuild.GlobalProperties.IsEquivalent(buildRequest.GlobalProperties) &&
(String.Compare(parentProject.ToolsVersion, buildRequest.ToolsetVersion, StringComparison.OrdinalIgnoreCase) == 0))
{
projectToBuild = parentEngine.GetMatchingProject(parentProject,
parentProject.FullFileName, buildRequest.GlobalProperties,
buildRequest.ToolsetVersion, buildRequest.TargetNames, buildRequest.ParentBuildEventContext, buildRequest.ToolsVersionPeekedFromProjectFile);
}
buildRequest.ProjectToBuild = projectToBuild;
buildRequest.ProjectFileName = projectToBuild.FullFileName;
buildRequest.FireProjectStartedFinishedEvents = false;
}
}
catch (InvalidProjectFileException e)
{
buildRequest.BuildCompleted = true;
// Store message so it can be logged by the engine build loop
buildRequest.BuildException = e;
}
}
else
{
RequestRoutingContext requestRoutingContext = executionContext as RequestRoutingContext;
buildRequest.ParentHandleId = requestRoutingContext.ParentHandleId;
buildRequest.ParentRequestId = requestRoutingContext.ParentRequestId;
}
}