/// <summary>
/// Creates a new MSBuild process
/// </summary>
private int LaunchNode(string msbuildLocation, string commandLineArgs)
{
// Should always have been set already.
ErrorUtilities.VerifyThrowInternalLength(msbuildLocation, "msbuildLocation");
if (!FileSystems.Default.FileExists(msbuildLocation))
{
throw new BuildAbortedException(ResourceUtilities.FormatResourceStringStripCodeAndKeyword("CouldNotFindMSBuildExe", 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
commandLineArgs = msbuildLocation + " " + commandLineArgs;
BackendNativeMethods.STARTUP_INFO startInfo = new BackendNativeMethods.STARTUP_INFO();
startInfo.cb = Marshal.SizeOf <BackendNativeMethods.STARTUP_INFO>();
// Null out the process handles so that the parent process does not wait for the child process
// to exit before it can exit.
uint creationFlags = 0;
if (Traits.Instance.EscapeHatches.EnsureStdOutForChildNodesIsPrimaryStdout)
{
creationFlags = BackendNativeMethods.NORMALPRIORITYCLASS;
}
if (String.IsNullOrEmpty(Environment.GetEnvironmentVariable("MSBUILDNODEWINDOW")))
{
if (!Traits.Instance.EscapeHatches.EnsureStdOutForChildNodesIsPrimaryStdout)
{
// Redirect the streams of worker nodes so that this MSBuild.exe's
// parent doesn't wait on idle worker nodes to close streams
// after the build is complete.
startInfo.hStdError = BackendNativeMethods.InvalidHandle;
startInfo.hStdInput = BackendNativeMethods.InvalidHandle;
startInfo.hStdOutput = BackendNativeMethods.InvalidHandle;
startInfo.dwFlags = BackendNativeMethods.STARTFUSESTDHANDLES;
creationFlags = creationFlags | BackendNativeMethods.CREATENOWINDOW;
}
}
else
{
creationFlags = creationFlags | BackendNativeMethods.CREATE_NEW_CONSOLE;
}
BackendNativeMethods.SECURITY_ATTRIBUTES processSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
BackendNativeMethods.SECURITY_ATTRIBUTES threadSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
processSecurityAttributes.nLength = Marshal.SizeOf <BackendNativeMethods.SECURITY_ATTRIBUTES>();
threadSecurityAttributes.nLength = Marshal.SizeOf <BackendNativeMethods.SECURITY_ATTRIBUTES>();
CommunicationsUtilities.Trace("Launching node from {0}", msbuildLocation);
string exeName = msbuildLocation;
#if RUNTIME_TYPE_NETCORE
// Run the child process with the same host as the currently-running process.
exeName = GetCurrentHost();
commandLineArgs = "\"" + msbuildLocation + "\" " + commandLineArgs;
#endif
if (!NativeMethodsShared.IsWindows)
{
ProcessStartInfo processStartInfo = new ProcessStartInfo();
processStartInfo.FileName = exeName;
processStartInfo.Arguments = commandLineArgs;
if (!Traits.Instance.EscapeHatches.EnsureStdOutForChildNodesIsPrimaryStdout)
{
// Redirect the streams of worker nodes so that this MSBuild.exe's
// parent doesn't wait on idle worker nodes to close streams
// after the build is complete.
processStartInfo.RedirectStandardInput = true;
processStartInfo.RedirectStandardOutput = true;
processStartInfo.RedirectStandardError = true;
processStartInfo.CreateNoWindow = (creationFlags | BackendNativeMethods.CREATENOWINDOW) == BackendNativeMethods.CREATENOWINDOW;
}
processStartInfo.UseShellExecute = false;
Process process;
try
{
process = Process.Start(processStartInfo);
}
catch (Exception ex)
{
CommunicationsUtilities.Trace
(
"Failed to launch node from {0}. CommandLine: {1}" + Environment.NewLine + "{2}",
msbuildLocation,
commandLineArgs,
ex.ToString()
);
throw new NodeFailedToLaunchException(ex);
}
CommunicationsUtilities.Trace("Successfully launched msbuild.exe node with PID {0}", process.Id);
return(process.Id);
}
else
{
#if RUNTIME_TYPE_NETCORE
if (NativeMethodsShared.IsWindows)
{
// Repeat the executable name in the args to suit CreateProcess
commandLineArgs = "\"" + exeName + "\" " + commandLineArgs;
}
#endif
BackendNativeMethods.PROCESS_INFORMATION processInfo = new BackendNativeMethods.PROCESS_INFORMATION();
bool result = BackendNativeMethods.CreateProcess
(
exeName,
commandLineArgs,
ref processSecurityAttributes,
ref threadSecurityAttributes,
#if FEATURE_NAMED_PIPES_FULL_DUPLEX
false,
#else
true, // Inherit handles for the anonymous pipes for IPC
#endif
creationFlags,
BackendNativeMethods.NullPtr,
null,
ref startInfo,
out processInfo
);
if (!result)
{
// Creating an instance of this exception calls GetLastWin32Error and also converts it to a user-friendly string.
System.ComponentModel.Win32Exception e = new System.ComponentModel.Win32Exception();
CommunicationsUtilities.Trace
(
"Failed to launch node from {0}. System32 Error code {1}. Description {2}. CommandLine: {2}",
msbuildLocation,
e.NativeErrorCode.ToString(CultureInfo.InvariantCulture),
e.Message,
commandLineArgs
);
throw new NodeFailedToLaunchException(e.NativeErrorCode.ToString(CultureInfo.InvariantCulture), e.Message);
}
int childProcessId = processInfo.dwProcessId;
if (processInfo.hProcess != IntPtr.Zero && processInfo.hProcess != NativeMethods.InvalidHandle)
{
NativeMethodsShared.CloseHandle(processInfo.hProcess);
}
if (processInfo.hThread != IntPtr.Zero && processInfo.hThread != NativeMethods.InvalidHandle)
{
NativeMethodsShared.CloseHandle(processInfo.hThread);
}
CommunicationsUtilities.Trace("Successfully launched msbuild.exe node with PID {0}", childProcessId);
return(childProcessId);
}
}
/// <summary>
/// Creates a new MSBuild process
/// </summary>
private int LaunchNode(string msbuildLocation, string commandLineArgs)
{
// Should always have been set already.
ErrorUtilities.VerifyThrowInternalLength(msbuildLocation, "msbuildLocation");
if (!File.Exists(msbuildLocation))
{
throw new BuildAbortedException(ResourceUtilities.FormatResourceString("CouldNotFindMSBuildExe", 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
commandLineArgs = msbuildLocation + " " + commandLineArgs;
BackendNativeMethods.STARTUP_INFO startInfo = new BackendNativeMethods.STARTUP_INFO();
startInfo.cb = Marshal.SizeOf<BackendNativeMethods.STARTUP_INFO>();
// Null out the process handles so that the parent process does not wait for the child process
// to exit before it can exit.
uint creationFlags = BackendNativeMethods.NORMALPRIORITYCLASS;
startInfo.dwFlags = BackendNativeMethods.STARTFUSESTDHANDLES;
if (String.IsNullOrEmpty(Environment.GetEnvironmentVariable("MSBUILDNODEWINDOW")))
{
startInfo.hStdError = BackendNativeMethods.InvalidHandle;
startInfo.hStdInput = BackendNativeMethods.InvalidHandle;
startInfo.hStdOutput = BackendNativeMethods.InvalidHandle;
creationFlags = creationFlags | BackendNativeMethods.CREATENOWINDOW;
}
else
{
creationFlags = creationFlags | BackendNativeMethods.CREATE_NEW_CONSOLE;
}
BackendNativeMethods.SECURITY_ATTRIBUTES processSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
BackendNativeMethods.SECURITY_ATTRIBUTES threadSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
processSecurityAttributes.nLength = Marshal.SizeOf< BackendNativeMethods.SECURITY_ATTRIBUTES>();
threadSecurityAttributes.nLength = Marshal.SizeOf<BackendNativeMethods.SECURITY_ATTRIBUTES>();
BackendNativeMethods.PROCESS_INFORMATION processInfo = new BackendNativeMethods.PROCESS_INFORMATION();
string appName = msbuildLocation;
CommunicationsUtilities.Trace("Launching node from {0}", msbuildLocation);
bool result = BackendNativeMethods.CreateProcess
(
msbuildLocation,
commandLineArgs,
ref processSecurityAttributes,
ref threadSecurityAttributes,
false,
creationFlags,
BackendNativeMethods.NullPtr,
null,
ref startInfo,
out processInfo
);
if (!result)
{
// Creating an instance of this exception calls GetLastWin32Error and also converts it to a user-friendly string.
System.ComponentModel.Win32Exception e = new System.ComponentModel.Win32Exception();
CommunicationsUtilities.Trace
(
"Failed to launch node from {0}. System32 Error code {1}. Description {2}. CommandLine: {2}",
msbuildLocation,
e.NativeErrorCode.ToString(CultureInfo.InvariantCulture),
e.Message,
commandLineArgs
);
throw new NodeFailedToLaunchException(e.NativeErrorCode.ToString(CultureInfo.InvariantCulture), e.Message);
}
CommunicationsUtilities.Trace("Successfully launched msbuild.exe node with PID {0}", processInfo.dwProcessId);
return processInfo.dwProcessId;
}
public void InProcTrackingStartProcessFindStrNullCommandLine()
{
Console.WriteLine("Test: InProcTrackingStartProcessFindStrNullCommandLine");
try
{
FileTracker.StartTrackingContext(Path.GetFullPath("."), "InProcTrackingStartProcessFindStrIn");
BackEndNativeMethods.STARTUP_INFO startInfo = new BackEndNativeMethods.STARTUP_INFO();
startInfo.cb = Marshal.SizeOf<BackEndNativeMethods.STARTUP_INFO>();
uint dwCreationFlags = BackEndNativeMethods.NORMALPRIORITYCLASS;
startInfo.hStdError = BackEndNativeMethods.InvalidHandle;
startInfo.hStdInput = BackEndNativeMethods.InvalidHandle;
startInfo.hStdOutput = BackEndNativeMethods.InvalidHandle;
startInfo.dwFlags = BackEndNativeMethods.STARTFUSESTDHANDLES;
dwCreationFlags = dwCreationFlags | BackEndNativeMethods.CREATENOWINDOW;
BackEndNativeMethods.SECURITY_ATTRIBUTES pSec = new BackEndNativeMethods.SECURITY_ATTRIBUTES();
BackEndNativeMethods.SECURITY_ATTRIBUTES tSec = new BackEndNativeMethods.SECURITY_ATTRIBUTES();
pSec.nLength = Marshal.SizeOf<BackEndNativeMethods.SECURITY_ATTRIBUTES>();
tSec.nLength = Marshal.SizeOf<BackEndNativeMethods.SECURITY_ATTRIBUTES>();
BackEndNativeMethods.PROCESS_INFORMATION pInfo = new BackEndNativeMethods.PROCESS_INFORMATION();
string appName = NativeMethodsShared.FindOnPath("findstr.exe");
string cmdLine = null;
bool created = BackEndNativeMethods.CreateProcess(appName, cmdLine,
ref pSec, ref tSec,
false, dwCreationFlags,
BackEndNativeMethods.NullPtr, null, ref startInfo, out pInfo);
// We should have correctly started the process even though the command-line was null
Assert.True(created);
FileTracker.WriteContextTLogs(Path.GetFullPath("."), "inlinefind");
FileTracker.EndTrackingContext();
}
finally
{
FileTracker.StopTrackingAndCleanup();
}
File.Delete("inlinefind.read.1.tlog");
}
private void LaunchDuplicateToolsAndVerifyTlogExistsForEach(string tlogPath, IList<Tuple<string, IList<Tuple<string, string, int>>>> contextSpecifications, IList<Tuple<string, int>> tlogPatterns, bool createTestDirectory)
{
try
{
if (createTestDirectory)
{
if (FileUtilities.DirectoryExistsNoThrow(tlogPath))
{
FileUtilities.DeleteDirectoryNoThrow(tlogPath, true);
}
Directory.CreateDirectory(tlogPath);
}
BackEndNativeMethods.STARTUP_INFO startInfo = new BackEndNativeMethods.STARTUP_INFO();
startInfo.cb = Marshal.SizeOf<BackEndNativeMethods.STARTUP_INFO>();
uint dwCreationFlags = BackEndNativeMethods.NORMALPRIORITYCLASS;
startInfo.hStdError = BackEndNativeMethods.InvalidHandle;
startInfo.hStdInput = BackEndNativeMethods.InvalidHandle;
startInfo.hStdOutput = BackEndNativeMethods.InvalidHandle;
startInfo.dwFlags = BackEndNativeMethods.STARTFUSESTDHANDLES;
dwCreationFlags = dwCreationFlags | BackEndNativeMethods.CREATENOWINDOW;
BackEndNativeMethods.SECURITY_ATTRIBUTES pSec = new BackEndNativeMethods.SECURITY_ATTRIBUTES();
BackEndNativeMethods.SECURITY_ATTRIBUTES tSec = new BackEndNativeMethods.SECURITY_ATTRIBUTES();
pSec.nLength = Marshal.SizeOf<BackEndNativeMethods.SECURITY_ATTRIBUTES>();
tSec.nLength = Marshal.SizeOf<BackEndNativeMethods.SECURITY_ATTRIBUTES>();
BackEndNativeMethods.PROCESS_INFORMATION pInfo = new BackEndNativeMethods.PROCESS_INFORMATION();
foreach (var specification in contextSpecifications)
{
// Item1: FileTracker context name
// Item2: Tuple <string, string, int> as described below
FileTracker.StartTrackingContext(tlogPath, specification.Item1);
foreach (var processSpecification in specification.Item2)
{
// Item1: appname
// Item2: command line
// Item3: number of times to launch
for (int i = 0; i < processSpecification.Item3; i++)
{
BackEndNativeMethods.CreateProcess(processSpecification.Item1, processSpecification.Item2,
ref pSec, ref tSec,
false, dwCreationFlags,
BackEndNativeMethods.NullPtr, null, ref startInfo, out pInfo);
}
}
FileTracker.WriteContextTLogs(tlogPath, specification.Item1);
FileTracker.StopTrackingAndCleanup();
}
int tlogCount = 0;
foreach (Tuple<string, int> pattern in tlogPatterns)
{
tlogCount += pattern.Item2;
}
// make sure the disk write gets time for NTFS to recognize its existence. Estimate time needed to sleep based
// roughly on the number of tlogs that we're looking for (presumably roughly proportional to the number of tlogs
// being written.
Thread.Sleep(Math.Max(200, 250 * tlogCount));
// Item1: The pattern the tlog name should follow
// Item2: The number of tlogs following that pattern that should exist in the output directory
foreach (Tuple<string, int> pattern in tlogPatterns)
{
string[] tlogNames = Directory.GetFiles(tlogPath, pattern.Item1, SearchOption.TopDirectoryOnly);
Assert.Equal(pattern.Item2, tlogNames.Length);
}
}
finally
{
if (FileUtilities.DirectoryExistsNoThrow(tlogPath))
{
FileUtilities.DeleteDirectoryNoThrow(tlogPath, true);
}
}
}
/// <summary>
/// Creates a new MSBuild process
/// </summary>
private int LaunchNode(string msbuildLocation, string commandLineArgs)
{
// Should always have been set already.
ErrorUtilities.VerifyThrowInternalLength(msbuildLocation, "msbuildLocation");
if (!File.Exists(msbuildLocation))
{
throw new BuildAbortedException(ResourceUtilities.FormatResourceString("CouldNotFindMSBuildExe", 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
commandLineArgs = msbuildLocation + " " + commandLineArgs;
BackendNativeMethods.STARTUP_INFO startInfo = new BackendNativeMethods.STARTUP_INFO();
startInfo.cb = Marshal.SizeOf <BackendNativeMethods.STARTUP_INFO>();
// Null out the process handles so that the parent process does not wait for the child process
// to exit before it can exit.
uint creationFlags = BackendNativeMethods.NORMALPRIORITYCLASS;
startInfo.dwFlags = BackendNativeMethods.STARTFUSESTDHANDLES;
if (String.IsNullOrEmpty(Environment.GetEnvironmentVariable("MSBUILDNODEWINDOW")))
{
startInfo.hStdError = BackendNativeMethods.InvalidHandle;
startInfo.hStdInput = BackendNativeMethods.InvalidHandle;
startInfo.hStdOutput = BackendNativeMethods.InvalidHandle;
creationFlags = creationFlags | BackendNativeMethods.CREATENOWINDOW;
}
else
{
creationFlags = creationFlags | BackendNativeMethods.CREATE_NEW_CONSOLE;
}
BackendNativeMethods.SECURITY_ATTRIBUTES processSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
BackendNativeMethods.SECURITY_ATTRIBUTES threadSecurityAttributes = new BackendNativeMethods.SECURITY_ATTRIBUTES();
processSecurityAttributes.nLength = Marshal.SizeOf <BackendNativeMethods.SECURITY_ATTRIBUTES>();
threadSecurityAttributes.nLength = Marshal.SizeOf <BackendNativeMethods.SECURITY_ATTRIBUTES>();
CommunicationsUtilities.Trace("Launching node from {0}", msbuildLocation);
#if RUNTIME_TYPE_NETCORE
// Run the child process with the same host as the currently-running process.
string pathToHost;
using (Process currentProcess = Process.GetCurrentProcess()) pathToHost = currentProcess.MainModule.FileName;
commandLineArgs = "\"" + msbuildLocation + "\" " + commandLineArgs;
ProcessStartInfo processStartInfo = new ProcessStartInfo();
processStartInfo.FileName = pathToHost;
processStartInfo.Arguments = commandLineArgs;
processStartInfo.CreateNoWindow = (creationFlags | BackendNativeMethods.CREATENOWINDOW) == BackendNativeMethods.CREATENOWINDOW;
processStartInfo.UseShellExecute = false;
Process process;
try
{
process = Process.Start(processStartInfo);
}
catch (Exception ex)
{
CommunicationsUtilities.Trace
(
"Failed to launch node from {0}. CommandLine: {1}" + Environment.NewLine + "{2}",
msbuildLocation,
commandLineArgs,
ex.ToString()
);
throw new NodeFailedToLaunchException(ex);
}
CommunicationsUtilities.Trace("Successfully launched msbuild.exe node with PID {0}", process.Id);
return(process.Id);
#else
BackendNativeMethods.PROCESS_INFORMATION processInfo = new BackendNativeMethods.PROCESS_INFORMATION();
string exeName = msbuildLocation;
bool result = BackendNativeMethods.CreateProcess
(
exeName,
commandLineArgs,
ref processSecurityAttributes,
ref threadSecurityAttributes,
false,
creationFlags,
BackendNativeMethods.NullPtr,
null,
ref startInfo,
out processInfo
);
if (!result)
{
// Creating an instance of this exception calls GetLastWin32Error and also converts it to a user-friendly string.
System.ComponentModel.Win32Exception e = new System.ComponentModel.Win32Exception();
CommunicationsUtilities.Trace
(
"Failed to launch node from {0}. System32 Error code {1}. Description {2}. CommandLine: {2}",
msbuildLocation,
e.NativeErrorCode.ToString(CultureInfo.InvariantCulture),
e.Message,
commandLineArgs
);
throw new NodeFailedToLaunchException(e.NativeErrorCode.ToString(CultureInfo.InvariantCulture), e.Message);
}
CommunicationsUtilities.Trace("Successfully launched msbuild.exe node with PID {0}", processInfo.dwProcessId);
return(processInfo.dwProcessId);
#endif
}
