private void OnOpen(IntPtr req)
{
this.File = this.FreeRequest(req);
this.Status = this.File > 0 ? FileHandleStatus.Open : FileHandleStatus.Closed;
this.OnOpen();
}
private void OnClose(IntPtr req)
{
this.File = this.FreeRequest(req);
this.Status = FileHandleStatus.Closed;
this.OnClose();
}
public void Open(string path, FileAccessMode rw, FileOpenMode open, FilePermissions permissions)
{
if (this.Status != FileHandleStatus.Closed)
return;
var req = this.CreateRequest();
try
{
CheckError(Uvi.uv_fs_open(this.Loop.Handle, req, path, rw, open, permissions, this.OnOpen));
this.Status = FileHandleStatus.Opening;
}
catch (Exception)
{
this.FreeRequest(req, false);
throw;
}
}
/// <summary>
/// Closes the stream. After this call the stream will not be valid
/// </summary>
public void Read()
{
if (this.Status != FileHandleStatus.Open)
throw new InvalidOperationException("File handle must be open in order to read data");
var req = this.CreateRequest();
try
{
CheckError(Uvi.uv_fs_read(this.Loop.Handle, req, this.File, this.ReadBuffer, DefaultReadBufferSize, -1, this.OnRead));
this.Status = FileHandleStatus.Closing;
}
catch (Exception)
{
this.FreeRequest(req, false);
throw;
}
}
/// <summary>
/// Closes the stream. After this call the stream will not be valid
/// </summary>
public void Close()
{
if (this.Status != FileHandleStatus.Open)
return;
var req = this.CreateRequest();
try
{
CheckError(Uvi.uv_fs_close(this.Loop.Handle, req, this.File, this.OnClose));
this.Status = FileHandleStatus.Closing;
}
catch (Exception)
{
this.FreeRequest(req, false);
throw;
}
}