You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
140 lines
5.4 KiB
140 lines
5.4 KiB
using System;
|
|
using System.ComponentModel;
|
|
using System.IO;
|
|
using System.Runtime.InteropServices;
|
|
using Microsoft.Win32.SafeHandles;
|
|
|
|
namespace IPA.Logging
|
|
{
|
|
// https://stackoverflow.com/a/48864902/3117125
|
|
internal static class WinConsole
|
|
{
|
|
internal static TextWriter ConOut;
|
|
internal static TextReader ConIn;
|
|
|
|
private static SafeFileHandle outHandle;
|
|
private static SafeFileHandle inHandle;
|
|
|
|
public static bool UseVTEscapes { get; private set; } = true;
|
|
|
|
internal static IntPtr OutHandle => outHandle.DangerousGetHandle();
|
|
internal static IntPtr InHandle => inHandle.DangerousGetHandle();
|
|
|
|
internal static bool IsInitialized;
|
|
|
|
public static void Initialize(int processId, bool alwaysCreateNewConsole = false)
|
|
{
|
|
bool consoleAttached;
|
|
if (alwaysCreateNewConsole || !(consoleAttached = AttachConsole(processId)))
|
|
{
|
|
consoleAttached = AllocConsole();
|
|
}
|
|
|
|
if (consoleAttached)
|
|
{
|
|
InitializeStreams();
|
|
IsInitialized = true;
|
|
}
|
|
}
|
|
|
|
private static void InitializeStreams()
|
|
{
|
|
InitializeOutStream();
|
|
InitializeInStream();
|
|
}
|
|
|
|
private static void InitializeOutStream()
|
|
{
|
|
var fs = CreateFileStream("CONOUT$", GenericWrite, FileShareWrite, FileAccess.Write, out outHandle);
|
|
if (fs != null)
|
|
{
|
|
var writer = new StreamWriter(fs) { AutoFlush = true };
|
|
ConOut = writer;
|
|
Console.SetOut(writer);
|
|
Console.SetError(writer);
|
|
|
|
var handle = GetStdHandle(-11); // get stdout handle (should be CONOUT$ at this point)
|
|
if (GetConsoleMode(handle, out var mode))
|
|
{
|
|
mode |= EnableVTProcessing;
|
|
if (!SetConsoleMode(handle, mode))
|
|
{
|
|
UseVTEscapes = false;
|
|
Console.Error.WriteLine("Could not enable VT100 escape code processing (maybe you're running an old Windows?): " +
|
|
new Win32Exception(Marshal.GetLastWin32Error()).Message);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
UseVTEscapes = false;
|
|
Console.Error.WriteLine("Could not enable VT100 escape code processing (maybe you're running an old Windows?): " +
|
|
new Win32Exception(Marshal.GetLastWin32Error()).Message);
|
|
}
|
|
}
|
|
}
|
|
|
|
private static void InitializeInStream()
|
|
{
|
|
var fs = CreateFileStream("CONIN$", GenericRead, FileShareRead, FileAccess.Read, out inHandle);
|
|
if (fs != null)
|
|
{
|
|
Console.SetIn(ConIn = new StreamReader(fs));
|
|
}
|
|
}
|
|
|
|
private static FileStream CreateFileStream(string name, uint win32DesiredAccess, uint win32ShareMode,
|
|
FileAccess dotNetFileAccess, out SafeFileHandle handle)
|
|
{
|
|
var file = new SafeFileHandle(CreateFile(name, win32DesiredAccess, win32ShareMode, IntPtr.Zero, OpenExisting, FileAttributeNormal, IntPtr.Zero), true);
|
|
if (!file.IsInvalid)
|
|
{
|
|
handle = file;
|
|
var fs = new FileStream(file, dotNetFileAccess);
|
|
return fs;
|
|
}
|
|
|
|
handle = null;
|
|
return null;
|
|
}
|
|
|
|
#region Win API Functions and Constants
|
|
|
|
[DllImport("kernel32.dll")]
|
|
[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
|
|
private static extern bool AllocConsole();
|
|
|
|
[DllImport("kernel32.dll")]
|
|
[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
|
|
private static extern bool AttachConsole(int dwProcessId);
|
|
|
|
[DllImport("kernel32.dll", CharSet = CharSet.Unicode)]
|
|
[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
|
|
private static extern IntPtr CreateFile(string lpFileName, uint dwDesiredAccess, uint dwShareMode,
|
|
IntPtr lpSecurityAttributes, uint dwCreationDisposition, uint dwFlagsAndAttributes, IntPtr hTemplateFile);
|
|
|
|
[DllImport("kernel32.dll", SetLastError = true)]
|
|
[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
|
|
private static extern bool GetConsoleMode(IntPtr hConsoleHandle, out uint lpMode);
|
|
|
|
[DllImport("kernel32.dll", SetLastError = true)]
|
|
[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
|
|
private static extern bool SetConsoleMode(IntPtr hConsoleHandle, uint dwMode);
|
|
|
|
[DllImport("kernel32.dll")]
|
|
[DefaultDllImportSearchPaths(DllImportSearchPath.System32)]
|
|
private static extern IntPtr GetStdHandle(int nStdHandle);
|
|
|
|
private const uint EnableVTProcessing = 0x0004;
|
|
|
|
private const uint GenericWrite = 0x40000000;
|
|
private const uint GenericRead = 0x80000000;
|
|
private const uint FileShareRead = 0x00000001;
|
|
private const uint FileShareWrite = 0x00000002;
|
|
private const uint OpenExisting = 0x00000003;
|
|
private const uint FileAttributeNormal = 0x80;
|
|
|
|
internal const int AttachParent = -1;
|
|
|
|
#endregion
|
|
}
|
|
}
|