// (C) 2002
//
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
using System;
using System.Runtime.CompilerServices;
+using System.Runtime.InteropServices;
+using System.Threading;
namespace System.IO
{
- internal sealed class MonoIO {
+ unsafe internal sealed class MonoIO {
public static readonly FileAttributes
InvalidFileAttributes = (FileAttributes)(-1);
public static readonly IntPtr
- InvalidHandle = (IntPtr)(-1);
+ InvalidHandle = (IntPtr)(-1L);
- // error methods
+ public static readonly bool SupportsAsync = GetSupportsAsync ();
- [MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static MonoIOError GetLastError ();
+ // error methods
- public static Exception GetException ()
+ public static Exception GetException (MonoIOError error)
{
- return GetException (String.Empty);
+ return GetException (String.Empty, error);
}
- public static Exception GetException (string path)
+ public static Exception GetException (string path,
+ MonoIOError error)
{
- MonoIOError error = GetLastError ();
string message;
switch (error) {
// FIXME: add more exception mappings here
case MonoIOError.ERROR_FILE_NOT_FOUND:
message = String.Format ("Could not find file \"{0}\"", path);
- return new FileNotFoundException (message);
+ return new FileNotFoundException (message,
+ path);
+ case MonoIOError.ERROR_TOO_MANY_OPEN_FILES:
+ return new IOException ("Too many open files");
+
case MonoIOError.ERROR_PATH_NOT_FOUND:
message = String.Format ("Could not find a part of the path \"{0}\"", path);
return new DirectoryNotFoundException (message);
message = String.Format ("Access to the path \"{0}\" is denied.", path);
return new UnauthorizedAccessException (message);
+ case MonoIOError.ERROR_INVALID_HANDLE:
+ message = String.Format ("Invalid handle to path \"{0}\"", path);
+ return new IOException (message);
+
+ case MonoIOError.ERROR_FILE_EXISTS:
+ message = String.Format ("Could not create file \"{0}\". File already exists.", path);
+ return new IOException (message);
+
+ case MonoIOError.ERROR_FILENAME_EXCED_RANGE:
+ message = String.Format ("Path is too long. Path: {0}", path);
+ return new PathTooLongException (message);
+
+ case MonoIOError.ERROR_INVALID_PARAMETER:
+ message = String.Format ("Invalid parameter");
+ return new IOException (message);
+
+ case MonoIOError.ERROR_SHARING_VIOLATION:
+ message = String.Format ("Sharing violation on path {0}", path);
+ return new IOException (message);
+
+ case MonoIOError.ERROR_LOCK_VIOLATION:
+ message = String.Format ("Lock violation on path {0}", path);
+ return new IOException (message);
+
default:
- message = String.Format ("Win32 IO returned {0}", error);
+ message = String.Format ("Win32 IO returned {0}. Path: {1}", error, path);
return new IOException (message);
}
}
// directory methods
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool CreateDirectory (string path);
+ public extern static bool CreateDirectory (string path, out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool RemoveDirectory (string path);
+ public extern static bool RemoveDirectory (string path, out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static IntPtr FindFirstFile (string path, out MonoIOStat stat);
+ public extern static IntPtr FindFirstFile (string path, out MonoIOStat stat, out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool FindNextFile (IntPtr find, out MonoIOStat stat);
+ public extern static bool FindNextFile (IntPtr find, out MonoIOStat stat, out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool FindClose (IntPtr find);
+ public extern static bool FindClose (IntPtr find,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static string GetCurrentDirectory ();
+ public extern static string GetCurrentDirectory (out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool SetCurrentDirectory (string path);
+ public extern static bool SetCurrentDirectory (string path, out MonoIOError error);
// file methods
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool MoveFile (string path, string dest);
+ public extern static bool MoveFile (string path, string dest,
+ out MonoIOError error);
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static bool CopyFile (string path, string dest,
+ bool overwrite,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool CopyFile (string path, string dest, bool overwrite);
+ public extern static bool DeleteFile (string path,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool DeleteFile (string path);
+ public extern static FileAttributes GetFileAttributes (string path, out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static FileAttributes GetFileAttributes (string path);
+ public extern static bool SetFileAttributes (string path, FileAttributes attrs, out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool SetFileAttributes (string path, FileAttributes attrs);
+ public extern static MonoFileType GetFileType (IntPtr handle, out MonoIOError error);
+ // aio_* methods
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static MonoFileType GetFileType (IntPtr handle);
+ extern static bool GetSupportsAsync ();
- public static bool Exists (string path)
+ public static bool Exists (string path, out MonoIOError error)
{
- FileAttributes attrs = GetFileAttributes (path);
+ FileAttributes attrs = GetFileAttributes (path,
+ out error);
if (attrs == InvalidFileAttributes)
return false;
return true;
}
- public static bool ExistsFile (string path)
+ public static bool ExistsFile (string path,
+ out MonoIOError error)
{
- FileAttributes attrs = GetFileAttributes (path);
+ FileAttributes attrs = GetFileAttributes (path,
+ out error);
if (attrs == InvalidFileAttributes)
return false;
return true;
}
- public static bool ExistsDirectory (string path)
+ public static bool ExistsDirectory (string path,
+ out MonoIOError error)
{
- FileAttributes attrs = GetFileAttributes (path);
+ FileAttributes attrs = GetFileAttributes (path,
+ out error);
+
+ // Actually, we are looking for a directory, not a file
+ if (error == MonoIOError.ERROR_FILE_NOT_FOUND)
+ error = MonoIOError.ERROR_PATH_NOT_FOUND;
+
if (attrs == InvalidFileAttributes)
return false;
}
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool GetFileStat (string path, out MonoIOStat stat);
+ public extern static bool GetFileStat (string path,
+ out MonoIOStat stat,
+ out MonoIOError error);
// handle methods
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static IntPtr Open (string filename, FileMode mode, FileAccess access, FileShare share);
+ public extern static IntPtr Open (string filename,
+ FileMode mode,
+ FileAccess access,
+ FileShare share,
+ bool async,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool Close (IntPtr handle);
+ public extern static bool Close (IntPtr handle,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static int Read (IntPtr handle, byte [] dest, int dest_offset, int count);
+ public extern static int Read (IntPtr handle, byte [] dest,
+ int dest_offset, int count,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static int Write (IntPtr handle, byte [] src, int src_offset, int count);
+ public extern static int Write (IntPtr handle, [In] byte [] src,
+ int src_offset, int count,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static long Seek (IntPtr handle, long offset, SeekOrigin origin);
+ public extern static long Seek (IntPtr handle, long offset,
+ SeekOrigin origin,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool Flush (IntPtr handle);
+ public extern static bool Flush (IntPtr handle,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static long GetLength (IntPtr handle);
+ public extern static long GetLength (IntPtr handle,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool SetLength (IntPtr handle, long length);
+ public extern static bool SetLength (IntPtr handle,
+ long length,
+ out MonoIOError error);
[MethodImplAttribute (MethodImplOptions.InternalCall)]
- public extern static bool SetFileTime (IntPtr handle, long creation_time, long last_access_time, long last_write_time);
+ public extern static bool SetFileTime (IntPtr handle,
+ long creation_time,
+ long last_access_time,
+ long last_write_time,
+ out MonoIOError error);
+
+ public static bool SetFileTime (string path,
+ long creation_time,
+ long last_access_time,
+ long last_write_time,
+ out MonoIOError error)
+ {
+ return SetFileTime (path,
+ 0,
+ creation_time,
+ last_access_time,
+ last_write_time,
+ DateTime.MinValue,
+ out error);
+ }
+
+ public static bool SetCreationTime (string path,
+ DateTime dateTime,
+ out MonoIOError error)
+ {
+ return SetFileTime (path, 1, -1, -1, -1, dateTime, out error);
+ }
+
+ public static bool SetLastAccessTime (string path,
+ DateTime dateTime,
+ out MonoIOError error)
+ {
+ return SetFileTime (path, 2, -1, -1, -1, dateTime, out error);
+ }
- public static bool SetFileTime (string path, long creation_time, long last_access_time, long last_write_time)
+ public static bool SetLastWriteTime (string path,
+ DateTime dateTime,
+ out MonoIOError error)
+ {
+ return SetFileTime (path, 3, -1, -1, -1, dateTime, out error);
+ }
+
+ public static bool SetFileTime (string path,
+ int type,
+ long creation_time,
+ long last_access_time,
+ long last_write_time,
+ DateTime dateTime,
+ out MonoIOError error)
{
IntPtr handle;
bool result;
- handle = Open (path, FileMode.Open, FileAccess.ReadWrite, FileShare.ReadWrite);
- if (handle == IntPtr.Zero)
+ handle = Open (path, FileMode.Open,
+ FileAccess.ReadWrite,
+ FileShare.ReadWrite, false, out error);
+ if (handle == MonoIO.InvalidHandle)
return false;
- result = SetFileTime (handle, creation_time, last_access_time, last_write_time);
- Close (handle);
+ switch (type) {
+ case 1:
+ creation_time = dateTime.ToFileTime ();
+ break;
+ case 2:
+ last_access_time = dateTime.ToFileTime ();
+ break;
+ case 3:
+ last_write_time = dateTime.ToFileTime ();
+ break;
+ }
+
+ result = SetFileTime (handle, creation_time,
+ last_access_time,
+ last_write_time, out error);
+
+ MonoIOError ignore_error;
+ Close (handle, out ignore_error);
return result;
}
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static void Lock (IntPtr handle,
+ long position, long length,
+ out MonoIOError error);
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static void Unlock (IntPtr handle,
+ long position, long length,
+ out MonoIOError error);
+
// console handles
public extern static IntPtr ConsoleOutput {
[MethodImplAttribute (MethodImplOptions.InternalCall)]
get;
}
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static int GetTempPath(out string path);
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static void BeginWrite (IntPtr handle,FileStreamAsyncResult ares);
+
+ [MethodImplAttribute (MethodImplOptions.InternalCall)]
+ public extern static void BeginRead (IntPtr handle, FileStreamAsyncResult ares);
+
}
}
projects / mono.git / blobdiff