/// <summary>
/// This method is called by the node to post build
/// requests into a queue in the parent engine
/// </summary>
public void PostBuildRequestsToHost(BuildRequest[] buildRequests)
{
LocalCallDescriptorForPostBuildRequests callDescriptor =
new LocalCallDescriptorForPostBuildRequests(buildRequests);
nodeCommandQueue.Enqueue(callDescriptor);
}
public void PostBuildRequestToNode(int nodeIndex, BuildRequest buildRequest)
{
ErrorUtilities.VerifyThrow(nodeIndex < nodeData.Length && nodeIndex >= 0, "Node index must be within array boundaries");
if (nodeData[nodeIndex].NodeState != NodeState.Launched)
{
// Note that we have to check the node status again inside the mutex. This
// ensures that that after flipping the status to launched inside the mutex
// there will be no more writes to the queue of targets waiting to be sent
lock (nodeStateLock)
{
// Check if we didn't initialize this node
if (nodeData[nodeIndex].NodeState != NodeState.Launched && !shuttingDown)
{
// Check if launch is in progress
if (nodeData[nodeIndex].NodeState == NodeState.NotLaunched)
{
nodeData[nodeIndex].NodeState = NodeState.LaunchInProgress;
lock (nodesToLaunch)
{
nodesToLaunch.Enqueue(nodeIndex);
}
ThreadStart threadState = new ThreadStart(this.LaunchNodeAndPostBuildRequest);
Thread taskThread = new Thread(threadState);
taskThread.Name = "MSBuild Node Launcher";
taskThread.Start();
}
nodeData[nodeIndex].TargetList.AddFirst(new LinkedListNode <BuildRequest>(buildRequest));
}
else
{
LocalCallDescriptorForPostBuildRequests callDescriptor =
new LocalCallDescriptorForPostBuildRequests(buildRequest);
nodeData[nodeIndex].NodeCommandQueue.Enqueue(callDescriptor);
}
}
}
else
{
LocalCallDescriptorForPostBuildRequests callDescriptor =
new LocalCallDescriptorForPostBuildRequests(buildRequest);
nodeData[nodeIndex].NodeCommandQueue.Enqueue(callDescriptor);
}
}
/// <summary>
/// This method first reads the objectId as an int from the stream,
/// this int should be found in the "ObjectType" enumeration. This
/// objectId informs the method what kind of object should be
/// deserialized and returned from the method. The objectId is an
/// output parameter. This parameter is also returned so it can be
/// used in the read and write methods to determine if
/// a frame or end marker was found.
/// </summary>
private object DeserializeFromStream(out int objectId)
{
object objectRead = null;
objectId = readStream.ReadByte();
switch ((ObjectType)objectId)
{
case ObjectType.NetSerialization:
objectRead = binaryFormatter.Deserialize(readStream);
break;
case ObjectType.FrameMarker:
objectRead = binaryReader.ReadInt32();
break;
case ObjectType.PostBuildResult:
objectRead = new LocalCallDescriptorForPostBuildResult();
((LocalCallDescriptorForPostBuildResult)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostBuildRequests:
objectRead = new LocalCallDescriptorForPostBuildRequests();
((LocalCallDescriptorForPostBuildRequests)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostLoggingMessagesToHost:
objectRead = new LocalCallDescriptorForPostLoggingMessagesToHost();
((LocalCallDescriptorForPostLoggingMessagesToHost)objectRead).CreateFromStream(binaryReader, loggingTypeCache);
break;
case ObjectType.InitializeNode:
objectRead = new LocalCallDescriptorForInitializeNode();
((LocalCallDescriptorForInitializeNode)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.InitializationComplete:
objectRead = new LocalCallDescriptorForInitializationComplete();
((LocalCallDescriptorForInitializationComplete)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.UpdateNodeSettings:
objectRead = new LocalCallDescriptorForUpdateNodeSettings();
((LocalCallDescriptorForUpdateNodeSettings)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.RequestStatus:
objectRead = new LocalCallDescriptorForRequestStatus();
((LocalCallDescriptorForRequestStatus)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostCacheEntriesToHost:
objectRead = new LocalCallDescriptorForPostingCacheEntriesToHost();
((LocalCallDescriptorForPostingCacheEntriesToHost)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.GetCacheEntriesFromHost:
objectRead = new LocalCallDescriptorForGettingCacheEntriesFromHost();
((LocalCallDescriptorForGettingCacheEntriesFromHost)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.ShutdownComplete:
objectRead = new LocalCallDescriptorForShutdownComplete();
((LocalCallDescriptorForShutdownComplete)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.ShutdownNode:
objectRead = new LocalCallDescriptorForShutdownNode();
((LocalCallDescriptorForShutdownNode)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostIntrospectorCommand:
objectRead = new LocalCallDescriptorForPostIntrospectorCommand(null, null);
((LocalCallDescriptorForPostIntrospectorCommand)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.GenericSingleObjectReply:
objectRead = new LocalReplyCallDescriptor();
((LocalReplyCallDescriptor)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostStatus:
objectRead = new LocalCallDescriptorForPostStatus();
((LocalCallDescriptorForPostStatus)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.EndMarker:
return(null);
default:
ErrorUtilities.VerifyThrow(false, "Should not be here, ObjectId:" + objectId + "Next:" + readStream.ReadByte());
break;
}
return(objectRead);
}
/// <summary>
/// This method first reads the objectId as an int from the stream,
/// this int should be found in the "ObjectType" enumeration. This
/// objectId informs the method what kind of object should be
/// deserialized and returned from the method. The objectId is an
/// output parameter. This parameter is also returned so it can be
/// used in the read and write methods to determine if
/// a frame or end marker was found.
/// </summary>
private object DeserializeFromStream(out int objectId)
{
object objectRead = null;
objectId = readStream.ReadByte();
switch ((ObjectType)objectId)
{
case ObjectType.NetSerialization:
objectRead = binaryFormatter.Deserialize(readStream);
break;
case ObjectType.FrameMarker:
objectRead = binaryReader.ReadInt32();
break;
case ObjectType.PostBuildResult:
objectRead = new LocalCallDescriptorForPostBuildResult();
((LocalCallDescriptorForPostBuildResult)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostBuildRequests:
objectRead = new LocalCallDescriptorForPostBuildRequests();
((LocalCallDescriptorForPostBuildRequests)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostLoggingMessagesToHost:
objectRead = new LocalCallDescriptorForPostLoggingMessagesToHost();
((LocalCallDescriptorForPostLoggingMessagesToHost)objectRead).CreateFromStream(binaryReader, loggingTypeCache);
break;
case ObjectType.InitializeNode:
objectRead = new LocalCallDescriptorForInitializeNode();
((LocalCallDescriptorForInitializeNode)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.InitializationComplete:
objectRead = new LocalCallDescriptorForInitializationComplete();
((LocalCallDescriptorForInitializationComplete)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.UpdateNodeSettings:
objectRead = new LocalCallDescriptorForUpdateNodeSettings();
((LocalCallDescriptorForUpdateNodeSettings)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.RequestStatus:
objectRead = new LocalCallDescriptorForRequestStatus();
((LocalCallDescriptorForRequestStatus)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostCacheEntriesToHost:
objectRead = new LocalCallDescriptorForPostingCacheEntriesToHost();
((LocalCallDescriptorForPostingCacheEntriesToHost)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.GetCacheEntriesFromHost:
objectRead = new LocalCallDescriptorForGettingCacheEntriesFromHost();
((LocalCallDescriptorForGettingCacheEntriesFromHost)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.ShutdownComplete:
objectRead = new LocalCallDescriptorForShutdownComplete();
((LocalCallDescriptorForShutdownComplete)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.ShutdownNode:
objectRead = new LocalCallDescriptorForShutdownNode();
((LocalCallDescriptorForShutdownNode)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostIntrospectorCommand:
objectRead = new LocalCallDescriptorForPostIntrospectorCommand(null, null);
((LocalCallDescriptorForPostIntrospectorCommand)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.GenericSingleObjectReply:
objectRead = new LocalReplyCallDescriptor();
((LocalReplyCallDescriptor)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.PostStatus:
objectRead = new LocalCallDescriptorForPostStatus();
((LocalCallDescriptorForPostStatus)objectRead).CreateFromStream(binaryReader);
break;
case ObjectType.EndMarker:
return null;
default:
ErrorUtilities.VerifyThrow(false, "Should not be here, ObjectId:" + objectId + "Next:" + readStream.ReadByte());
break;
}
return objectRead;
}
/// <summary>
/// This function will start a node and send requests to it
/// </summary>
private void LaunchNodeAndPostBuildRequest()
{
int nodeIndex = 0;
// Find out what node to launch
lock (nodesToLaunch)
{
nodeIndex = nodesToLaunch.Dequeue();
}
// If the provider is shutting down - don't launch the node
if (shuttingDown)
{
nodeData[nodeIndex].NodeState = NodeState.NotLaunched;
return;
}
try
{
// Either launch node or connect to an already running node
InitializeNode(nodeIndex);
if (!nodeData[nodeIndex].CommunicationFailed)
{
// Change the state of the node to launched
lock (nodeStateLock)
{
nodeData[nodeIndex].NodeState = NodeState.Launched;
}
// Send all the requests to the node. Note that the requests may end up in
// mixed order with the request currently being posted.
LinkedListNode <BuildRequest> current = nodeData[nodeIndex].TargetList.First;
BuildRequest[] buildRequests = new BuildRequest[nodeData[nodeIndex].TargetList.Count];
int i = 0;
while (current != null)
{
buildRequests[i] = current.Value;
i++;
current = current.Next;
}
LocalCallDescriptorForPostBuildRequests callDescriptor =
new LocalCallDescriptorForPostBuildRequests(buildRequests);
nodeData[nodeIndex].NodeCommandQueue.Enqueue(callDescriptor);
nodeData[nodeIndex].TargetList = null;
}
else
{
// Allow the engine to decide how to proceed since the node failed to launch
string message = ResourceUtilities.FormatResourceString("NodeProviderFailure");
ReportNodeCommunicationFailure(nodeIndex, new Exception(message), false);
}
}
catch (Exception e)
{
// Allow the engine to deal with the exception
ReportNodeCommunicationFailure(nodeIndex, e, false);
}
}
private static void ComparebuildRequests(LocalCallDescriptorForPostBuildRequests buildRequestsCallDescriptor)
{
BuildRequest[] requests = buildRequestsCallDescriptor.BuildRequests;
Assert.IsTrue(requests.Length == 2);
BuildEventContext testContext = new BuildEventContext(1, 2, 3, 4); ;
foreach (BuildRequest request1 in requests)
{
Assert.IsTrue(request1.HandleId == 4, "Expected HandleId to Match");
Assert.IsTrue(request1.RequestId == 1, "Expected Request to Match");
Assert.IsTrue(string.Compare(request1.ProjectFileName, "ProjectFileName", StringComparison.OrdinalIgnoreCase) == 0, "Expected ProjectFileName to Match");
Assert.IsTrue(string.Compare(request1.TargetNames[0], "Build", StringComparison.OrdinalIgnoreCase) == 0, "Expected TargetNames to Match");
Assert.IsTrue(string.Compare(request1.ToolsetVersion, "Tool35", StringComparison.OrdinalIgnoreCase) == 0, "Expected ToolsetVersion to Match");
Assert.IsTrue(request1.TargetNames.Length == 1, "Expected there to be one TargetName");
Assert.IsTrue(request1.UnloadProjectsOnCompletion, "Expected UnloadProjectsOnCompletion to be true");
Assert.IsTrue(request1.UseResultsCache, "Expected UseResultsCache to be true");
Assert.IsTrue(string.Compare(request1.GlobalProperties["PropertyName"].Value, "Value", StringComparison.OrdinalIgnoreCase) == 0);
Assert.AreEqual(request1.ParentBuildEventContext, testContext, "Expected BuildEventContext to Match");
}
}
public void TestItemsInandOutOfSharedMemory()
{
string name = Guid.NewGuid().ToString();
// Create the shared memory buffer
SharedMemory readSharedMemory =
new SharedMemory
(
name,
SharedMemoryType.ReadOnly,
true
);
SharedMemory writeSharedMemory =
new SharedMemory
(
name,
SharedMemoryType.WriteOnly,
true
);
DualQueue<LocalCallDescriptor> queue = new DualQueue<LocalCallDescriptor>();
DualQueue<LocalCallDescriptor> hiPriQueue = new DualQueue<LocalCallDescriptor>();
LocalCallDescriptorForPostLoggingMessagesToHost LargeLogEvent = CreatePostMessageCallDescriptor(1);
LocalCallDescriptorForUpdateNodeSettings updateNodeSettings = new LocalCallDescriptorForUpdateNodeSettings(true, true, true);
LocalCallDescriptorForPostBuildResult buildResult = new LocalCallDescriptorForPostBuildResult(CreateBuildResult());
LocalCallDescriptorForPostBuildRequests buildRequests = new LocalCallDescriptorForPostBuildRequests(CreateBuildRequest());
LocalCallDescriptorForRequestStatus requestStatus = new LocalCallDescriptorForRequestStatus(4);
LocalCallDescriptorForPostStatus nodeStatusNoExcept = new LocalCallDescriptorForPostStatus(new NodeStatus(1, true, 2, 3, 4, true));
LocalCallDescriptorForPostStatus nodeStatusExcept = new LocalCallDescriptorForPostStatus(new NodeStatus(new Exception("I am bad")));
LocalCallDescriptorForShutdownNode shutdownNode = new LocalCallDescriptorForShutdownNode(Node.NodeShutdownLevel.BuildCompleteSuccess, true);
LocalCallDescriptorForShutdownComplete shutdownComplete = new LocalCallDescriptorForShutdownComplete(Node.NodeShutdownLevel.BuildCompleteFailure, 0);
LocalCallDescriptorForInitializationComplete initializeComplete = new LocalCallDescriptorForInitializationComplete(99);
BuildPropertyGroup propertyGroup = new BuildPropertyGroup();
BuildProperty propertyToAdd = new BuildProperty("PropertyName", "Value");
propertyGroup.SetProperty(propertyToAdd);
CacheEntry[] entries = CreateCacheEntries();
LocalCallDescriptorForGettingCacheEntriesFromHost getCacheEntries = new LocalCallDescriptorForGettingCacheEntriesFromHost(new string[] { "Hi", "Hello" }, "Name", propertyGroup, "3.5", CacheContentType.Properties);
LocalCallDescriptorForPostingCacheEntriesToHost postCacheEntries = new LocalCallDescriptorForPostingCacheEntriesToHost(entries, "ScopeName", propertyGroup, "3.5", CacheContentType.BuildResults);
LocalReplyCallDescriptor replyDescriptor1 = new LocalReplyCallDescriptor(1, entries);
LocalReplyCallDescriptor replyDescriptor2 = new LocalReplyCallDescriptor(6, "Foo");
IDictionary environmentVariables = Environment.GetEnvironmentVariables();
Hashtable environmentVariablesHashtable = new Hashtable(environmentVariables);
string className = "Class";
string loggerAssemblyName = "Class";
string loggerFileAssembly = null;
string loggerSwitchParameters = "Class";
LoggerVerbosity verbosity = LoggerVerbosity.Detailed;
LoggerDescription description = new LoggerDescription(className, loggerAssemblyName, loggerFileAssembly, loggerSwitchParameters, verbosity);
LocalCallDescriptorForInitializeNode initializeNode = new LocalCallDescriptorForInitializeNode(environmentVariablesHashtable, new LoggerDescription[] { description }, 4, propertyGroup, ToolsetDefinitionLocations.ConfigurationFile, 5, String.Empty);
queue.Enqueue(LargeLogEvent);
queue.Enqueue(updateNodeSettings);
queue.Enqueue(buildResult);
queue.Enqueue(buildRequests);
queue.Enqueue(requestStatus);
queue.Enqueue(nodeStatusNoExcept);
queue.Enqueue(nodeStatusExcept);
queue.Enqueue(shutdownNode);
queue.Enqueue(shutdownComplete);
queue.Enqueue(initializeComplete);
queue.Enqueue(getCacheEntries);
queue.Enqueue(postCacheEntries);
queue.Enqueue(replyDescriptor1);
queue.Enqueue(replyDescriptor2);
queue.Enqueue(initializeNode);
writeSharedMemory.Write(queue, hiPriQueue, false);
IList localCallDescriptorList = readSharedMemory.Read();
Assert.IsTrue(localCallDescriptorList.Count == 15);
LocalCallDescriptorForPostLoggingMessagesToHost messageCallDescriptor = localCallDescriptorList[0] as LocalCallDescriptorForPostLoggingMessagesToHost;
VerifyPostMessagesToHost(messageCallDescriptor, 1);
LocalCallDescriptorForUpdateNodeSettings updateSettingsCallDescriptor = localCallDescriptorList[1] as LocalCallDescriptorForUpdateNodeSettings;
VerifyUpdateSettings(updateSettingsCallDescriptor);
LocalCallDescriptorForPostBuildResult buildResultCallDescriptor = localCallDescriptorList[2] as LocalCallDescriptorForPostBuildResult;
CompareBuildResult(buildResultCallDescriptor);
LocalCallDescriptorForPostBuildRequests buildRequestsCallDescriptor = localCallDescriptorList[3] as LocalCallDescriptorForPostBuildRequests;
ComparebuildRequests(buildRequestsCallDescriptor);
LocalCallDescriptorForRequestStatus requestStatusCallDescriptor = localCallDescriptorList[4] as LocalCallDescriptorForRequestStatus;
Assert.IsTrue(requestStatusCallDescriptor.RequestId == 4);
LocalCallDescriptorForPostStatus nodeStatus1CallDescriptor = localCallDescriptorList[5] as LocalCallDescriptorForPostStatus;
VerifyNodeStatus1(nodeStatus1CallDescriptor);
LocalCallDescriptorForPostStatus nodeStatus2CallDescriptor = localCallDescriptorList[6] as LocalCallDescriptorForPostStatus;
VerifyNodeStatus2(nodeStatus2CallDescriptor);
LocalCallDescriptorForShutdownNode shutdownNodeCallDescriptor = localCallDescriptorList[7] as LocalCallDescriptorForShutdownNode;
Assert.IsTrue(shutdownNodeCallDescriptor.ShutdownLevel == Node.NodeShutdownLevel.BuildCompleteSuccess);
Assert.IsTrue(shutdownNodeCallDescriptor.ExitProcess);
LocalCallDescriptorForShutdownComplete shutdownNodeCompleteCallDescriptor = localCallDescriptorList[8] as LocalCallDescriptorForShutdownComplete;
Assert.IsTrue(shutdownNodeCompleteCallDescriptor.ShutdownLevel == Node.NodeShutdownLevel.BuildCompleteFailure);
LocalCallDescriptorForInitializationComplete initializeCompleteCallDescriptor = localCallDescriptorList[9] as LocalCallDescriptorForInitializationComplete;
Assert.IsTrue(initializeCompleteCallDescriptor.ProcessId == 99);
LocalCallDescriptorForGettingCacheEntriesFromHost getCacheEntriesCallDescriptor = localCallDescriptorList[10] as LocalCallDescriptorForGettingCacheEntriesFromHost;
VerifyGetCacheEntryFromHost(getCacheEntriesCallDescriptor);
LocalCallDescriptorForPostingCacheEntriesToHost postCacheEntriesCallDescriptor = localCallDescriptorList[11] as LocalCallDescriptorForPostingCacheEntriesToHost;
Assert.IsTrue(string.Compare(postCacheEntriesCallDescriptor.ScopeName, "ScopeName", StringComparison.OrdinalIgnoreCase) == 0);
Assert.IsTrue(string.Compare(postCacheEntriesCallDescriptor.ScopeProperties["PropertyName"].Value, "Value", StringComparison.OrdinalIgnoreCase) == 0);
Assert.IsTrue(string.Compare(postCacheEntriesCallDescriptor.ScopeToolsVersion, "3.5", StringComparison.OrdinalIgnoreCase) == 0);
Assert.IsTrue(postCacheEntriesCallDescriptor.ContentType == CacheContentType.BuildResults);
VerifyGetCacheEntries(postCacheEntriesCallDescriptor.Entries);
LocalReplyCallDescriptor reply1CallDescriptor = localCallDescriptorList[12] as LocalReplyCallDescriptor;
Assert.IsTrue(reply1CallDescriptor.RequestingCallNumber == 1);
VerifyGetCacheEntries((CacheEntry[])reply1CallDescriptor.ReplyData);
LocalReplyCallDescriptor reply2CallDescriptor = localCallDescriptorList[13] as LocalReplyCallDescriptor;
Assert.IsTrue(reply2CallDescriptor.RequestingCallNumber == 6);
Assert.IsTrue(string.Compare("Foo", (string)reply2CallDescriptor.ReplyData, StringComparison.OrdinalIgnoreCase) == 0);
LocalCallDescriptorForInitializeNode initializeCallDescriptor = localCallDescriptorList[14] as LocalCallDescriptorForInitializeNode;
Assert.IsTrue(initializeCallDescriptor.ParentProcessId == 5);
Assert.IsTrue(initializeCallDescriptor.NodeId == 4);
Assert.IsTrue(initializeCallDescriptor.ToolsetSearchLocations == ToolsetDefinitionLocations.ConfigurationFile);
Assert.IsTrue(string.Compare(initializeCallDescriptor.ParentGlobalProperties["PropertyName"].Value, "Value", StringComparison.OrdinalIgnoreCase) == 0);
Assert.IsTrue(string.Compare(initializeCallDescriptor.NodeLoggers[0].Name, "Class", StringComparison.OrdinalIgnoreCase) == 0);
IDictionary variables = Environment.GetEnvironmentVariables();
Assert.IsTrue(variables.Count == initializeCallDescriptor.EnvironmentVariables.Count);
foreach (string key in variables.Keys)
{
Assert.IsTrue(string.Compare((string)initializeCallDescriptor.EnvironmentVariables[key], (string)variables[key], StringComparison.OrdinalIgnoreCase) == 0);
}
writeSharedMemory.Reset();
readSharedMemory.Reset();
readSharedMemory = null;
writeSharedMemory = null;
}
/// <summary>
/// This method is called by the node to post build
/// requests into a queue in the parent engine
/// </summary>
public void PostBuildRequestsToHost(BuildRequest[] buildRequests)
{
LocalCallDescriptorForPostBuildRequests callDescriptor =
new LocalCallDescriptorForPostBuildRequests(buildRequests);
nodeCommandQueue.Enqueue(callDescriptor);
}
/// <summary>
/// This function will start a node and send requests to it
/// </summary>
private void LaunchNodeAndPostBuildRequest()
{
int nodeIndex = 0;
// Find out what node to launch
lock (nodesToLaunch)
{
nodeIndex = nodesToLaunch.Dequeue();
}
// If the provider is shutting down - don't launch the node
if (shuttingDown)
{
nodeData[nodeIndex].NodeState = NodeState.NotLaunched;
return;
}
try
{
// Either launch node or connect to an already running node
InitializeNode(nodeIndex);
if (!nodeData[nodeIndex].CommunicationFailed)
{
// Change the state of the node to launched
lock (nodeStateLock)
{
nodeData[nodeIndex].NodeState = NodeState.Launched;
}
// Send all the requests to the node. Note that the requests may end up in
// mixed order with the request currently being posted.
LinkedListNode<BuildRequest> current = nodeData[nodeIndex].TargetList.First;
BuildRequest[] buildRequests = new BuildRequest[nodeData[nodeIndex].TargetList.Count];
int i = 0;
while (current != null)
{
buildRequests[i] = current.Value;
i++;
current = current.Next;
}
LocalCallDescriptorForPostBuildRequests callDescriptor =
new LocalCallDescriptorForPostBuildRequests(buildRequests);
nodeData[nodeIndex].NodeCommandQueue.Enqueue(callDescriptor);
nodeData[nodeIndex].TargetList = null;
}
else
{
// Allow the engine to decide how to proceed since the node failed to launch
string message = ResourceUtilities.FormatResourceString("NodeProviderFailure");
ReportNodeCommunicationFailure(nodeIndex, new Exception(message), false);
}
}
catch (Exception e)
{
// Allow the engine to deal with the exception
ReportNodeCommunicationFailure(nodeIndex, e, false);
}
}
public void PostBuildRequestToNode(int nodeIndex, BuildRequest buildRequest)
{
ErrorUtilities.VerifyThrow(nodeIndex < nodeData.Length && nodeIndex >= 0, "Node index must be within array boundaries");
if (nodeData[nodeIndex].NodeState != NodeState.Launched)
{
// Note that we have to check the node status again inside the mutex. This
// ensures that that after flipping the status to launched inside the mutex
// there will be no more writes to the queue of targets waiting to be sent
lock (nodeStateLock)
{
// Check if we didn't initialize this node
if (nodeData[nodeIndex].NodeState != NodeState.Launched && !shuttingDown)
{
// Check if launch is in progress
if (nodeData[nodeIndex].NodeState == NodeState.NotLaunched)
{
nodeData[nodeIndex].NodeState = NodeState.LaunchInProgress;
lock (nodesToLaunch)
{
nodesToLaunch.Enqueue(nodeIndex);
}
ThreadStart threadState = new ThreadStart(this.LaunchNodeAndPostBuildRequest);
Thread taskThread = new Thread(threadState);
taskThread.Name = "MSBuild Node Launcher";
taskThread.Start();
}
nodeData[nodeIndex].TargetList.AddFirst(new LinkedListNode<BuildRequest>(buildRequest));
}
else
{
LocalCallDescriptorForPostBuildRequests callDescriptor =
new LocalCallDescriptorForPostBuildRequests(buildRequest);
nodeData[nodeIndex].NodeCommandQueue.Enqueue(callDescriptor);
}
}
}
else
{
LocalCallDescriptorForPostBuildRequests callDescriptor =
new LocalCallDescriptorForPostBuildRequests(buildRequest);
nodeData[nodeIndex].NodeCommandQueue.Enqueue(callDescriptor);
}
}