/// <summary>
/// Constructs <seealso cref="NamedPipeClientStream"/>
/// </summary>
NamedPipeClientStream IRarBuildEngine.GetRarClientStream(string pipeName, int timeout)
{
BuildParameters parameters = _host.BuildParameters;
Handshake handshake = NodeProviderOutOfProc.GetHandshake(enableNodeReuse: parameters.EnableNodeReuse,
enableLowPriority: parameters.LowPriority, specialNode: true);
return(NamedPipeUtil.TryConnectToProcess(pipeName, timeout, handshake));
}
/// <summary>
/// Shuts down all of the managed nodes permanently.
/// </summary>
/// <param name="nodeReuse">Whether to reuse the node</param>
/// <param name="terminateNode">Delegate used to tell the node provider that a context has terminated</param>
protected void ShutdownAllNodes(bool nodeReuse, NodeContextTerminateDelegate terminateNode)
{
// INodePacketFactory
INodePacketFactory factory = new NodePacketFactory();
List <Process> nodeProcesses = GetPossibleRunningNodes().nodeProcesses;
// Find proper MSBuildTaskHost executable name
string msbuildtaskhostExeName = NodeProviderOutOfProcTaskHost.TaskHostNameForClr2TaskHost;
// Search for all instances of msbuildtaskhost process and add them to the process list
nodeProcesses.AddRange(new List <Process>(Process.GetProcessesByName(Path.GetFileNameWithoutExtension(msbuildtaskhostExeName))));
// For all processes in the list, send signal to terminate if able to connect
foreach (Process nodeProcess in nodeProcesses)
{
// A 2013 comment suggested some nodes take this long to respond, so a smaller timeout would miss nodes.
int timeout = 30;
// Attempt to connect to the process with the handshake without low priority.
Stream nodeStream = TryConnectToProcess(nodeProcess.Id, timeout, NodeProviderOutOfProc.GetHandshake(nodeReuse, false));
if (nodeStream == null)
{
// If we couldn't connect attempt to connect to the process with the handshake including low priority.
nodeStream = TryConnectToProcess(nodeProcess.Id, timeout, NodeProviderOutOfProc.GetHandshake(nodeReuse, true));
}
if (nodeStream != null)
{
// If we're able to connect to such a process, send a packet requesting its termination
CommunicationsUtilities.Trace("Shutting down node with pid = {0}", nodeProcess.Id);
NodeContext nodeContext = new NodeContext(0, nodeProcess, nodeStream, factory, terminateNode);
nodeContext.SendData(new NodeBuildComplete(false /* no node reuse */));
nodeStream.Dispose();
}
}
}
