/// <summary>
/// Create an instance of the wrapped ITask for a batch run of the task.
/// </summary>
internal ITask CreateTaskInstance(ElementLocation taskLocation, TaskLoggingContext taskLoggingContext, IBuildComponentHost buildComponentHost, IDictionary <string, string> taskIdentityParameters,
#if FEATURE_APPDOMAIN
AppDomainSetup appDomainSetup,
#endif
bool isOutOfProc)
{
bool useTaskFactory = false;
IDictionary <string, string> mergedParameters = null;
_taskLoggingContext = taskLoggingContext;
// Optimization for the common (vanilla AssemblyTaskFactory) case -- only calculate
// the task factory parameters if we have any to calculate; otherwise even if we
// still launch the task factory, it will be with parameters corresponding to the
// current process.
if ((_factoryIdentityParameters?.Count > 0) || (taskIdentityParameters?.Count > 0))
{
VerifyThrowIdentityParametersValid(taskIdentityParameters, taskLocation, _taskName, "MSBuildRuntime", "MSBuildArchitecture");
mergedParameters = MergeTaskFactoryParameterSets(_factoryIdentityParameters, taskIdentityParameters);
useTaskFactory = !NativeMethodsShared.IsMono &&
(_taskHostFactoryExplicitlyRequested ||
!TaskHostParametersMatchCurrentProcess(mergedParameters));
}
else
{
// if we don't have any task host parameters specified on either the using task or the
// task invocation, then we will run in-proc UNLESS "TaskHostFactory" is explicitly specified
// as the task factory.
useTaskFactory = _taskHostFactoryExplicitlyRequested;
}
if (useTaskFactory)
{
ErrorUtilities.VerifyThrowInternalNull(buildComponentHost, nameof(buildComponentHost));
mergedParameters ??= new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
string runtime = null;
string architecture = null;
if (!mergedParameters.TryGetValue(XMakeAttributes.runtime, out runtime))
{
mergedParameters[XMakeAttributes.runtime] = XMakeAttributes.MSBuildRuntimeValues.clr4;
}
if (!mergedParameters.TryGetValue(XMakeAttributes.architecture, out architecture))
{
mergedParameters[XMakeAttributes.architecture] = XMakeAttributes.GetCurrentMSBuildArchitecture();
}
TaskHostTask task = new TaskHostTask(taskLocation, taskLoggingContext, buildComponentHost, mergedParameters, _loadedType
#if FEATURE_APPDOMAIN
, appDomainSetup
#endif
);
return(task);
}
else
{
#if FEATURE_APPDOMAIN
AppDomain taskAppDomain = null;
#endif
ITask taskInstance = TaskLoader.CreateTask(_loadedType, _taskName, taskLocation.File, taskLocation.Line, taskLocation.Column, new TaskLoader.LogError(ErrorLoggingDelegate)
#if FEATURE_APPDOMAIN
, appDomainSetup
#endif
, isOutOfProc
#if FEATURE_APPDOMAIN
, out taskAppDomain
#endif
);
#if FEATURE_APPDOMAIN
if (taskAppDomain != null)
{
_tasksAndAppDomains[taskInstance] = taskAppDomain;
}
#endif
return(taskInstance);
}
}
public IList <NodeInfo> CreateNodes(int nextNodeId, INodePacketFactory factory, Func <NodeInfo, NodeConfiguration> configurationFactory, int numberOfNodesToCreate)
{
ErrorUtilities.VerifyThrowArgumentNull(factory, nameof(factory));
// This can run concurrently. To be properly detect internal bug when we create more nodes than allowed
// we add into _nodeContexts premise of future node and verify that it will not cross limits.
if (_nodeContexts.Count + numberOfNodesToCreate > ComponentHost.BuildParameters.MaxNodeCount)
{
ErrorUtilities.ThrowInternalError("Exceeded max node count of '{0}', current count is '{1}' ", ComponentHost.BuildParameters.MaxNodeCount, _nodeContexts.Count);
return(new List <NodeInfo>());
}
ConcurrentBag <NodeInfo> nodes = new();
// Start the new process. We pass in a node mode with a node number of 1, to indicate that we
// want to start up just a standard MSBuild out-of-proc node.
// Note: We need to always pass /nodeReuse to ensure the value for /nodeReuse from msbuild.rsp
// (next to msbuild.exe) is ignored.
string commandLineArgs = $"/nologo /nodemode:1 /nodeReuse:{ComponentHost.BuildParameters.EnableNodeReuse.ToString().ToLower()} /low:{ComponentHost.BuildParameters.LowPriority.ToString().ToLower()}";
CommunicationsUtilities.Trace("Starting to acquire {1} new or existing node(s) to establish nodes from ID {0} to {2}...", nextNodeId, numberOfNodesToCreate, nextNodeId + numberOfNodesToCreate - 1);
Handshake hostHandshake = new(CommunicationsUtilities.GetHandshakeOptions(taskHost: false, architectureFlagToSet: XMakeAttributes.GetCurrentMSBuildArchitecture(), nodeReuse: ComponentHost.BuildParameters.EnableNodeReuse, lowPriority: ComponentHost.BuildParameters.LowPriority));
IList <NodeContext> nodeContexts = GetNodes(null, commandLineArgs, nextNodeId, factory, hostHandshake, NodeContextCreated, NodeContextTerminated, numberOfNodesToCreate);
if (nodeContexts.Count > 0)
{
return(nodeContexts
.Select(nc => new NodeInfo(nc.NodeId, ProviderType))
.ToList());
}
throw new BuildAbortedException(ResourceUtilities.FormatResourceStringStripCodeAndKeyword("CouldNotConnectToMSBuildExe", ComponentHost.BuildParameters.NodeExeLocation));
void NodeContextCreated(NodeContext context)
{
NodeInfo nodeInfo = new NodeInfo(context.NodeId, ProviderType);
_nodeContexts[context.NodeId] = context;
// Start the asynchronous read.
context.BeginAsyncPacketRead();
// Configure the node.
context.SendData(configurationFactory(nodeInfo));
}
}
protected override Handshake GetHandshake()
{
return(new Handshake(CommunicationsUtilities.GetHandshakeOptions(taskHost: false, architectureFlagToSet: XMakeAttributes.GetCurrentMSBuildArchitecture(), nodeReuse: _enableReuse, lowPriority: _lowPriority)));
}
internal static Handshake GetHandshake(bool enableNodeReuse, bool enableLowPriority)
{
CommunicationsUtilities.Trace("MSBUILDNODEHANDSHAKESALT=\"{0}\", msbuildDirectory=\"{1}\", enableNodeReuse={2}, enableLowPriority={3}", Traits.MSBuildNodeHandshakeSalt, BuildEnvironmentHelper.Instance.MSBuildToolsDirectory32, enableNodeReuse, enableLowPriority);
return(new Handshake(CommunicationsUtilities.GetHandshakeOptions(taskHost: false, architectureFlagToSet: XMakeAttributes.GetCurrentMSBuildArchitecture(), nodeReuse: enableNodeReuse, lowPriority: enableLowPriority)));
}
