Ejemplo n.º 1
0
        /// <summary>
        /// Constructor used for cloning
        /// </summary>
        /// <param name="cloneInput"></param>
        public SyncIndexInput(SyncIndexInput cloneInput)
        {
            _name          = cloneInput._name;
            _syncDirectory = cloneInput._syncDirectory;

            if (string.IsNullOrWhiteSpace(_name))
            {
                throw new ArgumentNullException(nameof(cloneInput._name));
            }
            if (_syncDirectory == null)
            {
                throw new ArgumentNullException(nameof(cloneInput._syncDirectory));
            }

            _fileMutex = SyncMutexManager.GrabMutex(cloneInput._syncDirectory, cloneInput._name);
            _fileMutex.WaitOne();

            try
            {
#if FULLDEBUG
                Trace.WriteLine($"Creating clone for {cloneInput._name}");
#endif
                _cacheDirIndexInput = (IndexInput)cloneInput._cacheDirIndexInput.Clone();
            }
            catch (Exception)
            {
                // sometimes we get access denied on the 2nd stream...but not always. I haven't tracked it down yet
                // but this covers our tail until I do
                Trace.TraceError($"Dagnabbit, falling back to memory clone for {cloneInput._name}");
            }
            finally
            {
                _fileMutex.ReleaseMutex();
            }
        }
Ejemplo n.º 2
0
        public override object Clone()
        {
            IndexInput clone = null;

            try
            {
                _fileMutex.WaitOne();
                var input = new SyncIndexInput(this);
                clone = input;
            }
            catch (Exception err)
            {
                Trace.TraceError(err.ToString());
            }
            finally
            {
                _fileMutex.ReleaseMutex();
            }
            Debug.Assert(clone != null);
            return(clone);
        }
Ejemplo n.º 3
0
        public SyncIndexInput(SyncIndexInput cloneInput)
        {
            _fileMutex = SyncMutexManager.GrabMutex(cloneInput._syncDirectory, cloneInput._name);
            _fileMutex.WaitOne();

            try
            {
#if FULLDEBUG
                Debug.WriteLine($"Creating clone for {cloneInput._name}");
#endif
                _syncDirectory = cloneInput._syncDirectory;
                _indexInput    = cloneInput._indexInput.Clone() as IndexInput;
            }
            catch (Exception)
            {
                // sometimes we get access denied on the 2nd stream...but not always. I haven't tracked it down yet
                // but this covers our tail until I do
                Trace.Fail($"Dagnabbit, falling back to memory clone for {cloneInput._name}");
            }
            finally
            {
                _fileMutex.ReleaseMutex();
            }
        }
Ejemplo n.º 4
0
 /// <summary>
 /// Constructor used for cloning
 /// </summary>
 /// <param name="cloneInput"></param>
 public SyncIndexInput(SyncIndexInput cloneInput) : this(cloneInput, new TraceLoggingService())
 {
 }