X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2Fcorlib%2FSystem.IO%2FMonoIO.cs;h=5f7994e9ce2f2db07749d495987443b24fdabaed;hb=72ba6e6fee75eae795a2192c189141049773f4f9;hp=befd62062eb2084a7ebaaefbebf5c2e56826c408;hpb=3207e426e4ab0a8bbdafca6d8e906b30c627253b;p=mono.git diff --git a/mcs/class/corlib/System.IO/MonoIO.cs b/mcs/class/corlib/System.IO/MonoIO.cs index befd62062eb..5f7994e9ce2 100644 --- a/mcs/class/corlib/System.IO/MonoIO.cs +++ b/mcs/class/corlib/System.IO/MonoIO.cs @@ -8,39 +8,67 @@ // (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); @@ -49,8 +77,32 @@ namespace System.IO 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); } } @@ -58,58 +110,70 @@ namespace System.IO // 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; @@ -119,9 +183,16 @@ namespace System.IO 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; @@ -132,52 +203,144 @@ namespace System.IO } [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 { @@ -226,6 +389,16 @@ namespace System.IO [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); + } }