/// <summary>
/// Opens the handle.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="info">The info.</param>
public override Errno OpenHandle(string path, OpenedPathInfo info)
{
Errno retVal;
if (info.OpenAccess == OpenFlags.O_RDONLY)
{
String readPath = _pathFactory.CreateVirtualPath4Read(new VirtualRawPath(path));
retVal = base.OpenHandle(readPath, info);
}
else
{
// This is a write.
// @TODO Write to an existing file is not supported by BitTorrent.
// It has to be enforced somewhere.
String writePath = _pathFactory.CreateVirtualPath4Write(new VirtualRawPath(path));
retVal = base.OpenHandle(writePath, info);
}
// Add to filesys context.
VirtualPath vp = VirtualPath.CreateFromRawString(path);
VirtualFile vf = _fileManager.ReadVirtualFile(vp);
FileAccess fa = IOUtil.OpenFlags2FileAccess(info.OpenAccess);
var openFileInfo = new OpenFileInfo(info.Handle, vp, vf, fa);
_filesysContext.AddOpenFile(info.Handle, openFileInfo);
return(retVal);
}
public void AddOpenFile(IntPtr fileHandle, OpenFileInfo openFileInfo)
{
lock (_openFiles) {
_openFiles[fileHandle] = openFileInfo;
Logger.WriteLineIf(LogLevel.Verbose, _log_props,
string.Format("Open file {0}:{1} added to filesys context.",
fileHandle, openFileInfo.VirtualPath));
}
}
public void AddOpenFile(IntPtr fileHandle, OpenFileInfo openFileInfo)
{
lock (_openFiles) {
_openFiles[fileHandle] = openFileInfo;
Logger.WriteLineIf(LogLevel.Verbose, _log_props,
string.Format("Open file {0}:{1} added to filesys context.",
fileHandle, openFileInfo.VirtualPath));
}
}
/// <summary>
/// Creates the handle.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="info">The info.</param>
/// <param name="mode">The mode.</param>
/// <returns></returns>
/// <remarks>This method is for FilesysOp.Write.</remarks>
public override Errno CreateHandle(string path, OpenedPathInfo info, FilePermissions mode)
{
// Create the handle for the write.
String writePath =
_pathFactory.CreateVirtualPath4Write(new VirtualRawPath(path));
Errno retVal = base.CreateHandle(writePath, info, mode);
// Create the VF so the reads afterwards knows about the file.
VirtualPath vp = VirtualPath.CreateFromRawString(path);
VirtualFile vf = CreateAndWriteVirtualFile(vp);
var ofi = new OpenFileInfo(info.Handle, vp, vf, FileAccess.Write);
_filesysContext.AddOpenFile(info.Handle, ofi);
return(retVal);
}
/// <summary>
/// Opens the handle.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="info">The info.</param>
public override Errno OpenHandle(string path, OpenedPathInfo info)
{
Errno retVal;
if (info.OpenAccess == OpenFlags.O_RDONLY) {
String readPath = _pathFactory.CreateVirtualPath4Read(new VirtualRawPath(path));
retVal = base.OpenHandle(readPath, info);
} else {
// This is a write.
// @TODO Write to an existing file is not supported by BitTorrent.
// It has to be enforced somewhere.
String writePath = _pathFactory.CreateVirtualPath4Write(new VirtualRawPath(path));
retVal = base.OpenHandle(writePath, info);
}
// Add to filesys context.
VirtualPath vp = VirtualPath.CreateFromRawString(path);
VirtualFile vf = _fileManager.ReadVirtualFile(vp);
FileAccess fa = IOUtil.OpenFlags2FileAccess(info.OpenAccess);
var openFileInfo = new OpenFileInfo(info.Handle, vp, vf, fa);
_filesysContext.AddOpenFile(info.Handle, openFileInfo);
return retVal;
}
/// <summary>
/// Creates the handle.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="info">The info.</param>
/// <param name="mode">The mode.</param>
/// <returns></returns>
/// <remarks>This method is for FilesysOp.Write.</remarks>
public override Errno CreateHandle(string path, OpenedPathInfo info, FilePermissions mode)
{
// Create the handle for the write.
String writePath =
_pathFactory.CreateVirtualPath4Write(new VirtualRawPath(path));
Errno retVal = base.CreateHandle(writePath, info, mode);
// Create the VF so the reads afterwards knows about the file.
VirtualPath vp = VirtualPath.CreateFromRawString(path);
VirtualFile vf = CreateAndWriteVirtualFile(vp);
var ofi = new OpenFileInfo(info.Handle, vp, vf, FileAccess.Write);
_filesysContext.AddOpenFile(info.Handle, ofi);
return retVal;
}
public bool TryGetOpenFileInfo(IntPtr fileHandle, out OpenFileInfo openFileInfo)
{
lock (_openFiles) {
return(_openFiles.TryGetValue(fileHandle, out openFileInfo));
}
}
public bool TryGetOpenFileInfo(IntPtr fileHandle, out OpenFileInfo openFileInfo)
{
lock (_openFiles) {
return _openFiles.TryGetValue(fileHandle, out openFileInfo);
}
}
