/// <summary>
/// Moves a file, allowing an existing file to be overwritten.
/// </summary>
/// <param name="sourceName">The file to move.</param>
/// <param name="destinationName">The target file name.</param>
/// <param name="overwrite">Whether to permit a destination file to be overwritten</param>
public override void MoveFile(string sourceName, string destinationName, bool overwrite)
{
try
{
Nfs3FileHandle sourceParent = GetParentDirectory(sourceName);
Nfs3FileHandle destParent = GetParentDirectory(destinationName);
string sourceFileName = Utilities.GetFileFromPath(sourceName);
string destFileName = Utilities.GetFileFromPath(destinationName);
Nfs3FileHandle sourceFileHandle = _client.Lookup(sourceParent, sourceFileName);
if (sourceFileHandle == null)
{
throw new FileNotFoundException(string.Format(CultureInfo.InvariantCulture, "The file '{0}' does not exist", sourceName), sourceName);
}
Nfs3FileAttributes sourceAttrs = _client.GetAttributes(sourceFileHandle);
if ((sourceAttrs.Type & Nfs3FileType.Directory) != 0)
{
throw new FileNotFoundException(string.Format(CultureInfo.InvariantCulture, "The path '{0}' is not a file", sourceName), sourceName);
}
Nfs3FileHandle destFileHandle = _client.Lookup(destParent, destFileName);
if (destFileHandle != null && overwrite == false)
{
throw new IOException(string.Format(CultureInfo.InvariantCulture, "The destination file '{0}' already exists", destinationName));
}
_client.Rename(sourceParent, sourceFileName, destParent, destFileName);
}
catch (Nfs3Exception ne)
{
throw ConvertNfsException(ne);
}
}
/// <summary>
/// Gets the attributes of a file or directory.
/// </summary>
/// <param name="path">The file or directory to inspect</param>
/// <returns>The attributes of the file or directory</returns>
public override FileAttributes GetAttributes(string path)
{
try
{
Nfs3FileHandle handle = GetFile(path);
Nfs3FileAttributes nfsAttrs = null;
_client.GetAttributes(handle);
FileAttributes result = (FileAttributes)0;
if (nfsAttrs.Type == Nfs3FileType.Directory)
{
result |= FileAttributes.Directory;
}
else if (nfsAttrs.Type == Nfs3FileType.BlockDevice || nfsAttrs.Type == Nfs3FileType.CharacterDevice)
{
result |= FileAttributes.Device;
}
else
{
result |= FileAttributes.Normal;
}
if (Utilities.GetFileFromPath(path).StartsWith(".", StringComparison.Ordinal))
{
result |= FileAttributes.Hidden;
}
return result;
}
catch (Nfs3Exception ne)
{
throw ConvertNfsException(ne);
}
}
/// <summary>
/// Moves a directory.
/// </summary>
/// <param name="sourceDirectoryName">The directory to move.</param>
/// <param name="destinationDirectoryName">The target directory name.</param>
public override void MoveDirectory(string sourceDirectoryName, string destinationDirectoryName)
{
try
{
Nfs3FileHandle sourceParent = GetParentDirectory(sourceDirectoryName);
Nfs3FileHandle destParent = GetParentDirectory(destinationDirectoryName);
string sourceName = Utilities.GetFileFromPath(sourceDirectoryName);
string destName = Utilities.GetFileFromPath(destinationDirectoryName);
Nfs3FileHandle fileHandle = _client.Lookup(sourceParent, sourceName);
if (fileHandle == null)
{
throw new DirectoryNotFoundException(string.Format(CultureInfo.InvariantCulture, "The directory '{0}' does not exist", sourceDirectoryName));
}
Nfs3FileAttributes sourceAttrs = _client.GetAttributes(fileHandle);
if ((sourceAttrs.Type & Nfs3FileType.Directory) == 0)
{
throw new DirectoryNotFoundException(string.Format(CultureInfo.InvariantCulture, "The path '{0}' is not a directory", sourceDirectoryName));
}
_client.Rename(sourceParent, sourceName, destParent, destName);
}
catch (Nfs3Exception ne)
{
throw ConvertNfsException(ne);
}
}
/// <summary>
/// Gets the last modification time (in UTC) of a file or directory.
/// </summary>
/// <param name="path">The path of the file or directory</param>
/// <returns>The last write time</returns>
public override DateTime GetLastWriteTimeUtc(string path)
{
try
{
Nfs3FileHandle handle = GetFile(path);
Nfs3FileAttributes attrs = _client.GetAttributes(handle);
return attrs.ModifyTime.ToDateTime();
}
catch (Nfs3Exception ne)
{
throw ConvertNfsException(ne);
}
}
/// <summary>
/// Gets the length of a file.
/// </summary>
/// <param name="path">The path to the file</param>
/// <returns>The length in bytes</returns>
public override long GetFileLength(string path)
{
try
{
Nfs3FileHandle handle = GetFile(path);
Nfs3FileAttributes attrs = _client.GetAttributes(handle);
return attrs.Size;
}
catch (Nfs3Exception ne)
{
throw ConvertNfsException(ne);
}
}
/// <summary>
/// Gets the creation time (in UTC) of a file or directory.
/// </summary>
/// <param name="path">The path of the file or directory.</param>
/// <returns>The creation time.</returns>
public override DateTime GetCreationTimeUtc(string path)
{
try
{
// Note creation time is not available, so simulating from last modification time
Nfs3FileHandle handle = GetFile(path);
Nfs3FileAttributes attrs = _client.GetAttributes(handle);
return attrs.ModifyTime.ToDateTime();
}
catch (Nfs3Exception ne)
{
throw ConvertNfsException(ne);
}
}
public Nfs3ReadDirPlusResult(XdrDataReader reader)
{
Status = (Nfs3Status)reader.ReadInt32();
if (reader.ReadBool())
{
DirAttributes = new Nfs3FileAttributes(reader);
}
if (Status == Nfs3Status.Ok)
{
CookieVerifier = reader.ReadBytes(Nfs3.CookieVerifierSize);
DirEntries = new List<Nfs3DirectoryEntry>();
while (reader.ReadBool())
{
Nfs3DirectoryEntry dirEntry = new Nfs3DirectoryEntry(reader);
DirEntries.Add(dirEntry);
}
Eof = reader.ReadBool();
}
}
public Nfs3ReadDirPlusResult(XdrDataReader reader)
{
Status = (Nfs3Status)reader.ReadInt32();
if (reader.ReadBool())
{
DirAttributes = new Nfs3FileAttributes(reader);
}
if (Status == Nfs3Status.Ok)
{
CookieVerifier = reader.ReadBytes(Nfs3.CookieVerifierSize);
DirEntries = new List <Nfs3DirectoryEntry>();
while (reader.ReadBool())
{
Nfs3DirectoryEntry dirEntry = new Nfs3DirectoryEntry(reader);
DirEntries.Add(dirEntry);
}
Eof = reader.ReadBool();
}
}
/// <summary>
/// Copies a file from one location to another.
/// </summary>
/// <param name="sourceFile">The source file to copy</param>
/// <param name="destinationFile">The destination path</param>
/// <param name="overwrite">Whether to overwrite any existing file (true), or fail if such a file exists</param>
public override void CopyFile(string sourceFile, string destinationFile, bool overwrite)
{
try
{
Nfs3FileHandle sourceParent = GetParentDirectory(sourceFile);
Nfs3FileHandle destParent = GetParentDirectory(destinationFile);
string sourceFileName = Utilities.GetFileFromPath(sourceFile);
string destFileName = Utilities.GetFileFromPath(destinationFile);
Nfs3FileHandle sourceFileHandle = _client.Lookup(sourceParent, sourceFileName);
if (sourceFileHandle == null)
{
throw new FileNotFoundException(string.Format(CultureInfo.InvariantCulture, "The file '{0}' does not exist", sourceFile), sourceFile);
}
Nfs3FileAttributes sourceAttrs = _client.GetAttributes(sourceFileHandle);
if ((sourceAttrs.Type & Nfs3FileType.Directory) != 0)
{
throw new FileNotFoundException(string.Format(CultureInfo.InvariantCulture, "The path '{0}' is not a file", sourceFile), sourceFile);
}
Nfs3FileHandle destFileHandle = _client.Lookup(destParent, destFileName);
if (destFileHandle != null)
{
if (overwrite == false)
{
throw new IOException(string.Format(CultureInfo.InvariantCulture, "The destination file '{0}' already exists", destinationFile));
}
}
// Create the file, with temporary permissions
Nfs3SetAttributes setAttrs = new Nfs3SetAttributes();
setAttrs.Mode = UnixFilePermissions.OwnerRead | UnixFilePermissions.OwnerWrite;
setAttrs.SetMode = true;
setAttrs.Size = sourceAttrs.Size;
setAttrs.SetSize = true;
destFileHandle = _client.Create(destParent, destFileName, !overwrite, setAttrs);
// Copy the file contents
using (Nfs3FileStream sourceFs = new Nfs3FileStream(_client, sourceFileHandle, FileAccess.Read))
using (Nfs3FileStream destFs = new Nfs3FileStream(_client, destFileHandle, FileAccess.Write))
{
int bufferSize = (int)Math.Max(1 * Sizes.OneMiB, Math.Min(_client.FileSystemInfo.WritePreferredBytes, _client.FileSystemInfo.ReadPreferredBytes));
byte[] buffer = new byte[bufferSize];
int numRead = sourceFs.Read(buffer, 0, bufferSize);
while (numRead > 0)
{
destFs.Write(buffer, 0, numRead);
numRead = sourceFs.Read(buffer, 0, bufferSize);
}
}
// Set the new file's attributes based on the source file
setAttrs = new Nfs3SetAttributes();
setAttrs.Mode = sourceAttrs.Mode;
setAttrs.SetMode = true;
setAttrs.AccessTime = sourceAttrs.AccessTime;
setAttrs.SetAccessTime = Nfs3SetTimeMethod.ClientTime;
setAttrs.ModifyTime = sourceAttrs.ModifyTime;
setAttrs.SetModifyTime = Nfs3SetTimeMethod.ClientTime;
setAttrs.Gid = sourceAttrs.Gid;
setAttrs.SetGid = true;
_client.SetAttributes(destFileHandle, setAttrs);
}
catch (Nfs3Exception ne)
{
throw ConvertNfsException(ne);
}
}