/// <summary>
/// This function launches a new node given a node index
/// </summary>
private void LaunchNode(int nodeIndex)
{
EventWaitHandle nodeReadyEvent = null;
string msbuildLocation = Path.Combine(locationOfMSBuildExe, "MSBuild.exe");
ErrorUtilities.VerifyThrow(File.Exists(msbuildLocation), "Msbuild.exe cannot be found at: " + msbuildLocation);
bool exitedDueToError = true;
try
{
NativeMethods.STARTUPINFO startInfo = new NativeMethods.STARTUPINFO();
startInfo.cb = Marshal.SizeOf(startInfo);
uint dwCreationFlags = NativeMethods.NORMAL_PRIORITY_CLASS;
if (!Engine.debugMode)
{
startInfo.hStdError = NativeMethods.InvalidHandle;
startInfo.hStdInput = NativeMethods.InvalidHandle;
startInfo.hStdOutput = NativeMethods.InvalidHandle;
startInfo.dwFlags = NativeMethods.STARTF_USESTDHANDLES;
dwCreationFlags |= NativeMethods.CREATE_NO_WINDOW;
}
NativeMethods.SECURITY_ATTRIBUTES pSec = new NativeMethods.SECURITY_ATTRIBUTES();
NativeMethods.SECURITY_ATTRIBUTES tSec = new NativeMethods.SECURITY_ATTRIBUTES();
pSec.nLength = Marshal.SizeOf(pSec);
tSec.nLength = Marshal.SizeOf(tSec);
NativeMethods.PROCESS_INFORMATION pInfo = new NativeMethods.PROCESS_INFORMATION();
string appName = msbuildLocation;
// Repeat the executable name as the first token of the command line because the command line
// parser logic expects it and will otherwise skip the first argument
string cmdLine = msbuildLocation + " /nologo /oldom /nodemode:" + nodeData[nodeIndex].NodeNumber;
NativeMethods.CreateProcess(appName, cmdLine,
ref pSec, ref tSec,
false, dwCreationFlags,
NativeMethods.NullPtr, null, ref startInfo, out pInfo);
nodeReadyEvent = new EventWaitHandle(false, EventResetMode.ManualReset, LocalNodeProviderGlobalNames.NodeActiveEventName(nodeData[nodeIndex].NodeNumber));
// Wait until the node is ready to process the requests
if (nodeReadyEvent.WaitOne(launchTimeout, false))
{
exitedDueToError = false;
}
}
finally
{
// Dispose before losing scope
nodeReadyEvent?.Close();
if (exitedDueToError)
{
nodeData[nodeIndex].CommunicationFailed = true;
}
}
}
/// <summary>
/// This function launches a new node given a node index
/// </summary>
private void LaunchNode(int nodeIndex)
{
EventWaitHandle nodeReadyEvent = null;
string msbuildLocation = Path.Combine(locationOfMSBuildExe, "MSBuild.exe");
ErrorUtilities.VerifyThrow(File.Exists(msbuildLocation),"Msbuild.exe cannot be found at: "+msbuildLocation);
bool exitedDueToError = true;
try
{
NativeMethods.STARTUPINFO startInfo = new NativeMethods.STARTUPINFO();
startInfo.cb = Marshal.SizeOf(startInfo);
uint dwCreationFlags = NativeMethods.NORMAL_PRIORITY_CLASS;
if (!Engine.debugMode)
{
startInfo.hStdError = NativeMethods.InvalidHandle;
startInfo.hStdInput = NativeMethods.InvalidHandle;
startInfo.hStdOutput = NativeMethods.InvalidHandle;
startInfo.dwFlags = NativeMethods.STARTF_USESTDHANDLES;
dwCreationFlags = dwCreationFlags | NativeMethods.CREATE_NO_WINDOW;
}
NativeMethods.SECURITY_ATTRIBUTES pSec = new NativeMethods.SECURITY_ATTRIBUTES();
NativeMethods.SECURITY_ATTRIBUTES tSec = new NativeMethods.SECURITY_ATTRIBUTES();
pSec.nLength = Marshal.SizeOf(pSec);
tSec.nLength = Marshal.SizeOf(tSec);
NativeMethods.PROCESS_INFORMATION pInfo = new NativeMethods.PROCESS_INFORMATION();
string appName = msbuildLocation;
// Repeat the executable name as the first token of the command line because the command line
// parser logic expects it and will otherwise skip the first argument
string cmdLine = msbuildLocation + " /nologo /oldom /nodemode:" + nodeData[nodeIndex].NodeNumber;
NativeMethods.CreateProcess(appName, cmdLine,
ref pSec, ref tSec,
false, dwCreationFlags,
NativeMethods.NullPtr, null, ref startInfo, out pInfo);
nodeReadyEvent = new EventWaitHandle(false, EventResetMode.ManualReset, LocalNodeProviderGlobalNames.NodeActiveEventName(nodeData[nodeIndex].NodeNumber));
// Wait until the node is ready to process the requests
if (nodeReadyEvent.WaitOne(launchTimeout, false))
{
exitedDueToError = false;
}
}
finally
{
// Dispose before losing scope
if (nodeReadyEvent != null)
{
nodeReadyEvent.Close();
}
if (exitedDueToError)
{
nodeData[nodeIndex].CommunicationFailed = true;
}
}
}
