public virtual Result Write(string path, byte[] buffer, out int bytesWritten, long offset)
{
#if DEBUG
var request = new CrazyFsRequest(CrazyFsRequestName.Write, new[]
{
new KeyValuePair <string, string>("path", path),
new KeyValuePair <string, string>("offset", offset.ToString())
}).Log();
#endif
try
{
using (var s = FileSystem.FileStream.Create(path, FileMode.Open, FileAccess.Write))
{
s.Position = offset;
s.Write(buffer, 0, buffer.Length);
bytesWritten = buffer.Length;
}
var result = new Result(ResultStatus.Success);
#if DEBUG
request.Log(result);
#endif
return(result);
}
catch (Exception ex)
{
bytesWritten = 0;
var result = ex.GetResult();
#if DEBUG
request.Log(result);
#endif
return(result);
}
}
public Result RemoveDirectory(string path)
{
#if DEBUG
var request = new CrazyFsRequest(CrazyFsRequestName.RemoveDirectory, new[]
{
new KeyValuePair <string, string>("path", path)
}).Log();
#endif
try
{
FileSystem.Directory.Delete(path);
var result = new Result(ResultStatus.Success);
#if DEBUG
request.Log(result);
#endif
return(result);
}
catch (Exception ex)
{
var result = ex.GetResult();
#if DEBUG
request.Log(result);
#endif
return(result);
}
}
public Result Truncate(string path, long size)
{
#if DEBUG
var request = new CrazyFsRequest(CrazyFsRequestName.Truncate, new[]
{
new KeyValuePair <string, string>("path", path),
new KeyValuePair <string, string>("size", size.ToString())
}).Log();
#endif
try
{
var f = FileSystem.FileInfo.FromFileName(path);
using (var s = f.Open(FileMode.Open))
{
s.SetLength(size);
}
var result = new Result(ResultStatus.Success);
#if DEBUG
request.Log(result);
#endif
return(result);
}
catch (Exception ex)
{
var result = ex.GetResult();
#if DEBUG
request.Log(result);
#endif
return(result);
}
}
public Result Ls(string path, out IEnumerable <IFileSystemInfo> paths)
{
#if DEBUG
var request = new CrazyFsRequest(CrazyFsRequestName.Ls, new[]
{
new KeyValuePair <string, string>("path", path)
}).Log();
#endif
try
{
var dir = FileSystem.DirectoryInfo.FromDirectoryName(path);
paths = dir.EnumerateFileSystemInfos();
var result = new Result(ResultStatus.Success);
#if DEBUG
request.Log(result);
#endif
return(result);
}
catch (Exception ex)
{
paths = new List <IFileSystemInfo>();
var result = ex.GetResult();
#if DEBUG
request.Log(result);
#endif
return(result);
}
}
public Result Read(string path, long offset, ulong size, out byte[] buffer, out int bytesRead)
{
#if DEBUG
var request = new CrazyFsRequest(CrazyFsRequestName.Read, new[]
{
new KeyValuePair <string, string>("path", path),
new KeyValuePair <string, string>("offset", offset.ToString()),
new KeyValuePair <string, string>("size", size.ToString())
}).Log();
#endif
try
{
buffer = new byte[size];
using (var s = FileSystem.FileInfo.FromFileName(path).OpenRead())
{
//make sure the offset isn't higher than the filesize
if (offset > s.Length)
{
bytesRead = 0;
var resultOverflow = new Result(ResultStatus.Success);
#if DEBUG
request.Log(resultOverflow);
#endif
return(resultOverflow);
}
//Set the position to start reading
s.Position = offset;
//read until this byte
var end = (long)size + offset;
//make sure we don't read passed the filesize
bytesRead = end <= s.Length ? s.Read(buffer, 0, (int)size) : s.Read(buffer, 0, (int)(s.Length - offset));
}
var result = new Result(ResultStatus.Success);
#if DEBUG
request.Log(result);
#endif
return(result);
}
catch (Exception ex)
{
buffer = Array.Empty <byte>();
bytesRead = 0;
var result = ex.GetResult();
#if DEBUG
request.Log(result);
#endif
return(result);
}
}
/// <summary>
/// ToDo: Cache open file handles, currently not implemented
/// </summary>
/// <param name="path"></param>
/// <param name="openFlags"></param>
/// <returns></returns>
public Result Open(string path, OpenFlags openFlags)
{
#if DEBUG
var request = new CrazyFsRequest(CrazyFsRequestName.Open, new[]
{
new KeyValuePair <string, string>("path", path)
}).Log();
#endif
//Not implemented
var result = new Result(ResultStatus.Success);
#if DEBUG
request.Log(result);
#endif
return(result);
}
public Result Move(string from, string to)
{
#if DEBUG
var request = new CrazyFsRequest(CrazyFsRequestName.Move, new[]
{
new KeyValuePair <string, string>("from", from),
new KeyValuePair <string, string>("to", to)
}).Log();
#endif
try
{
if (FileSystem.File.Exists(to) || FileSystem.Directory.Exists(to))
{
var resultExists = new Result(ResultStatus.AlreadyExists);
#if DEBUG
request.Log(resultExists);
#endif
return(resultExists);
}
if (FileSystem.File.Exists(to))
{
FileSystem.File.Move(from, to);
}
else
{
FileSystem.Directory.Move(from, to);
}
var result = new Result(ResultStatus.Success);
#if DEBUG
request.Log(result);
#endif
return(result);
}
catch (Exception ex)
{
var result = ex.GetResult();
#if DEBUG
request.Log(result);
#endif
return(result);
}
}
public Result ChangeTimes(string path, long atime, long mtime)
{
#if DEBUG
var request = new CrazyFsRequest(CrazyFsRequestName.ChangeTimes, new[]
{
new KeyValuePair <string, string>("path", path),
new KeyValuePair <string, string>("atime", atime.ToString()),
new KeyValuePair <string, string>("mtime", mtime.ToString())
}).Log();
#endif
try
{
var result = GetPathInfo(path, out var info);
if (result.Status != ResultStatus.Success)
{
#if DEBUG
request.Log(result);
#endif
return(result);
}
info.LastAccessTime = DateTimeOffset.FromUnixTimeSeconds(atime).DateTime;
info.LastWriteTime = DateTimeOffset.FromUnixTimeSeconds(mtime).DateTime;
result = new Result(ResultStatus.Success);
#if DEBUG
request.Log(result);
#endif
return(result);
}
catch (Exception ex)
{
var result = ex.GetResult();
#if DEBUG
request.Log(result);
#endif
return(result);
}
}
public Result GetPathInfo(string path, out IFileSystemInfo info)
{
#if DEBUG
var request = new CrazyFsRequest(CrazyFsRequestName.GetPathInfo, new[]
{
new KeyValuePair <string, string>("path", path)
}).Log();
#endif
info = null;
try
{
if (FileSystem.File.Exists(path))
{
info = FileSystem.FileInfo.FromFileName(path);
}
else if (FileSystem.Directory.Exists(path))
{
info = FileSystem.DirectoryInfo.FromDirectoryName(path);
}
var result = new Result(info == null ? ResultStatus.PathNotFound : ResultStatus.Success);
#if DEBUG
request.Log(result);
#endif
return(result);
}
catch (Exception ex)
{
var result = ex.GetResult();
#if DEBUG
request.Log(result);
#endif
return(result);
}
}
