C# Sftp.SftpFileAttributes类代码示例

        internal SftpContextStream(SftpSession session, string path, FileMode mode, FileAccess access,
            SftpFileAttributes attributes)
        {
            Flags flags = Flags.None;

            switch (access)
            {
                case FileAccess.Read:
                    flags = Flags.Read;
                    break;
                case FileAccess.Write:
                    flags = Flags.Write;
                    break;
                case FileAccess.ReadWrite:
                    flags = Flags.Read | Flags.Write;
                    break;
            }

            switch (mode)
            {
                case FileMode.Append:
                    flags |= Flags.Append;
                    break;
                case FileMode.Create:
                    if (attributes == null)
                    {
                        flags |= Flags.CreateNew;
                    }
                    else
                    {
                        flags |= Flags.Truncate;
                    }
                    break;
                case FileMode.CreateNew:
                    flags |= Flags.CreateNew;
                    break;
                case FileMode.Open:
                    break;
                case FileMode.OpenOrCreate:
                    flags |= Flags.CreateNewOrOpen;
                    break;
                case FileMode.Truncate:
                    flags |= Flags.Truncate;
                    break;
            }

            _session = session;

            _handle = _session.RequestOpen(path, flags);

            _attributes = attributes ?? _session.RequestFStat(_handle);

            if (access.HasFlag(FileAccess.Write))
            {
                _writeBuffer = new byte[WRITE_BUFFER_SIZE];
                _writeMode = true;
            }

            _position = mode != FileMode.Append ? 0 : _attributes.Size;
        }

        protected void Arrange()
        {
            var random = new Random();
            _path = random.Next().ToString(CultureInfo.InvariantCulture);
            _handle = new[] { (byte)random.Next(byte.MinValue, byte.MaxValue) };
            _fileAttributes = SftpFileAttributes.Empty;
            _bufferSize = (uint)random.Next(0, 1000);
            _readBufferSize = (uint)random.Next(0, 1000);
            _writeBufferSize = (uint)random.Next(0, 1000);

            _sftpSessionMock = new Mock<ISftpSession>(MockBehavior.Strict);

            var sequence = new MockSequence();
            _sftpSessionMock.InSequence(sequence)
                .Setup(p => p.RequestOpen(_path, Flags.Write | Flags.Truncate, true))
                .Returns(_handle);
            _sftpSessionMock.InSequence(sequence).Setup(p => p.RequestFStat(_handle)).Returns(_fileAttributes);
            _sftpSessionMock.InSequence(sequence)
                .Setup(p => p.CalculateOptimalReadLength(_bufferSize))
                .Returns(_readBufferSize);
            _sftpSessionMock.InSequence(sequence)
                .Setup(p => p.CalculateOptimalWriteLength(_bufferSize, _handle))
                .Returns(_writeBufferSize);
            _sftpSessionMock.InSequence(sequence)
                .Setup(p => p.IsOpen)
                .Returns(true);
            _sftpSessionMock.InSequence(sequence)
                .Setup(p => p.RequestClose(_handle));

            _sftpFileStream = new SftpFileStream(_sftpSessionMock.Object, _path, FileMode.Create, FileAccess.Write, (int)_bufferSize);
        }

 public void GroupCanWriteTest()
 {
     SftpFileAttributes target = new SftpFileAttributes(); // TODO: Initialize to an appropriate value
     bool expected = false; // TODO: Initialize to an appropriate value
     bool actual;
     target.GroupCanWrite = expected;
     actual = target.GroupCanWrite;
     Assert.AreEqual(expected, actual);
     Assert.Inconclusive("Verify the correctness of this test method.");
 }

 public void LastAccessTimeTest()
 {
     SftpFileAttributes target = new SftpFileAttributes(); // TODO: Initialize to an appropriate value
     DateTime expected = new DateTime(); // TODO: Initialize to an appropriate value
     DateTime actual;
     target.LastAccessTime = expected;
     actual = target.LastAccessTime;
     Assert.AreEqual(expected, actual);
     Assert.Inconclusive("Verify the correctness of this test method.");
 }

 public void GroupIdTest()
 {
     SftpFileAttributes target = new SftpFileAttributes(); // TODO: Initialize to an appropriate value
     int expected = 0; // TODO: Initialize to an appropriate value
     int actual;
     target.GroupId = expected;
     actual = target.GroupId;
     Assert.AreEqual(expected, actual);
     Assert.Inconclusive("Verify the correctness of this test method.");
 }

        public void Init()
        {
            var random = new Random();

            _protocolVersion = (uint)random.Next(0, int.MaxValue);
            _requestId = (uint)random.Next(0, int.MaxValue);
            _handle = new byte[random.Next(1, 10)];
            random.NextBytes(_handle);
            _attributes = SftpFileAttributes.Empty;
            _attributesBytes = _attributes.GetBytes();
        }

        public void Init()
        {
            var random = new Random();

            _protocolVersion = (uint)random.Next(0, int.MaxValue);
            _requestId = (uint)random.Next(0, int.MaxValue);
            _encoding = Encoding.Unicode;
            _path = random.Next().ToString(CultureInfo.InvariantCulture);
            _pathBytes = _encoding.GetBytes(_path);
            _attributes = SftpFileAttributes.Empty;
            _attributesBytes = _attributes.GetBytes();
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="SftpFile"/> class.
        /// </summary>
        /// <param name="sftpSession">The SFTP session.</param>
        /// <param name="fullName">Full path of the directory or file.</param>
        /// <param name="attributes">Attributes of the directory or file.</param>
        internal SftpFile(SftpSession sftpSession, string fullName, SftpFileAttributes attributes)
        {
            if (attributes == null)
                throw new ArgumentNullException("attributes");

            if (fullName == null)
                throw new ArgumentNullException("fullName");

            this._sftpSession = sftpSession;
            this.Attributes = attributes;

            this.Name = fullName.Substring(fullName.LastIndexOf('/') + 1);

            this.FullName = fullName;
        }

        protected SftpFileAttributes ReadAttributes()
        {

            var flag = this.ReadUInt32();

            long size = -1;
            int userId = -1;
            int groupId = -1;
            uint permissions = 0;
            var accessTime = DateTime.MinValue;
            var modifyTime = DateTime.MinValue;
            IDictionary<string, string> extensions = null;

            if ((flag & 0x00000001) == 0x00000001)   //  SSH_FILEXFER_ATTR_SIZE
            {
                size = (long)this.ReadUInt64();
            }

            if ((flag & 0x00000002) == 0x00000002)   //  SSH_FILEXFER_ATTR_UIDGID
            {
                userId = (int)this.ReadUInt32();

                groupId = (int)this.ReadUInt32();
            }

            if ((flag & 0x00000004) == 0x00000004)   //  SSH_FILEXFER_ATTR_PERMISSIONS
            {
                permissions = this.ReadUInt32();
            }

            if ((flag & 0x00000008) == 0x00000008)   //  SSH_FILEXFER_ATTR_ACMODTIME
            {
                var time = this.ReadUInt32();
                accessTime = DateTime.FromFileTime((time + 11644473600) * 10000000);
                time = this.ReadUInt32();
                modifyTime = DateTime.FromFileTime((time + 11644473600) * 10000000);
            }

            if ((flag & 0x80000000) == 0x80000000)   //  SSH_FILEXFER_ATTR_ACMODTIME
            {
                var extendedCount = this.ReadUInt32();
                extensions = this.ReadExtensionPair();
            }
            var attributes = new SftpFileAttributes(accessTime, modifyTime, size, userId, groupId, permissions, extensions);

            return attributes;
        }

        protected void Arrange()
        {
            _random = new Random();
            _path = _random.Next().ToString(CultureInfo.InvariantCulture);
            _handle = new[] {(byte) _random.Next(byte.MinValue, byte.MaxValue)};
            _fileAttributes = SftpFileAttributes.Empty;
            _bufferSize = (uint) _random.Next(1, 1000);
            _readBufferSize = (uint) _random.Next(0, 1000);
            _writeBufferSize = (uint) _random.Next(500, 1000);
            _data = new byte[(_writeBufferSize  * 2) + 15];
            _random.NextBytes(_data);
            _offset = _random.Next(1, 5);
            // to get multiple SSH_FXP_WRITE messages (and verify the offset is updated correctly), we make sure
            // the number of bytes to write is at least two times the write buffer size; we write a few extra bytes to
            // ensure the buffer is not empty after the writes so we can verify whether Length, Dispose and Flush
            // flush the buffer
            _count = ((int) _writeBufferSize*2) + _random.Next(1, 5);

            _expectedWrittenByteCount = (2 * _writeBufferSize);
            _expectedBufferedByteCount = (int)(_count - _expectedWrittenByteCount);
            _expectedBufferedBytes = _data.Take(_offset + (int)_expectedWrittenByteCount, _expectedBufferedByteCount);

            _sftpSessionMock = new Mock<ISftpSession>(MockBehavior.Strict);

            _sequence = new MockSequence();
            _sftpSessionMock.InSequence(_sequence)
                .Setup(p => p.RequestOpen(_path, Flags.Write | Flags.Truncate, true))
                .Returns(_handle);
            _sftpSessionMock.InSequence(_sequence).Setup(p => p.RequestFStat(_handle)).Returns(_fileAttributes);
            _sftpSessionMock.InSequence(_sequence)
                .Setup(p => p.CalculateOptimalReadLength(_bufferSize))
                .Returns(_readBufferSize);
            _sftpSessionMock.InSequence(_sequence)
                .Setup(p => p.CalculateOptimalWriteLength(_bufferSize, _handle))
                .Returns(_writeBufferSize);
            _sftpSessionMock.InSequence(_sequence)
                .Setup(p => p.IsOpen)
                .Returns(true);
            _sftpSessionMock.InSequence(_sequence)
                .Setup(p => p.RequestWrite(_handle, 0, _data, _offset, (int) _writeBufferSize, It.IsAny<AutoResetEvent>(), null));
            _sftpSessionMock.InSequence(_sequence)
                .Setup(p => p.RequestWrite(_handle, _writeBufferSize, _data, _offset + (int) _writeBufferSize, (int)_writeBufferSize, It.IsAny<AutoResetEvent>(), null));

            _sftpFileStream = new SftpFileStream(_sftpSessionMock.Object, _path, FileMode.Create, FileAccess.Write, (int) _bufferSize);
        }

        /// <summary>
        /// Initializes a new instance of the <see cref="SftpFile"/> class.
        /// </summary>
        /// <param name="sftpSession">The SFTP session.</param>
        /// <param name="fullName">Full path of the directory or file.</param>
        /// <param name="attributes">Attributes of the directory or file.</param>
        /// <exception cref="ArgumentNullException"><paramref name="sftpSession"/> or <paramref name="fullName"/> is null.</exception>
        internal SftpFile(ISftpSession sftpSession, string fullName, SftpFileAttributes attributes)
        {
            if (sftpSession == null)
                throw new SshConnectionException("Client not connected.");

            if (attributes == null)
                throw new ArgumentNullException("attributes");

            if (fullName == null)
                throw new ArgumentNullException("fullName");

            _sftpSession = sftpSession;
            Attributes = attributes;

            Name = fullName.Substring(fullName.LastIndexOf('/') + 1);

            FullName = fullName;
        }

        /// <summary>
        /// Sets the specified <see cref="SftpFileAttributes"/> of the file on the specified path.
        /// </summary>
        /// <param name="path">The path to the file.</param>
        /// <param name="fileAttributes">The desired <see cref="SftpFileAttributes"/>.</param>
        /// <exception cref="ArgumentNullException"><paramref name="path"/> is <b>null</b>.</exception>
        public void SetAttributes(string path, SftpFileAttributes fileAttributes)
        {
            var fullPath = this._sftpSession.GetCanonicalPath(path);

            this._sftpSession.RequestSetStat(fullPath, fileAttributes);
        }

 public SftpContext(SftpFileAttributes attributes, bool aDeleteOnCloseWorkaround)
 {
     _attributes = attributes;
     this.deleteOnCloseWorkaround = aDeleteOnCloseWorkaround;
 }

        protected void Write(SftpFileAttributes attributes)
        {
            if (attributes == null)
            {
                this.Write((uint)0);
                return;
            }

            UInt32 flag = 0;

            if (attributes.IsSizeChanged && attributes.IsRegularFile)
            {
                flag |= 0x00000001;
            }

            if (attributes.IsUserIdChanged|| attributes.IsGroupIdChanged)
            {
                flag |= 0x00000002;
            }

            if (attributes.IsPermissionsChanged)
            {
                flag |= 0x00000004;
            }

            if (attributes.IsLastAccessTimeChanged || attributes.IsLastWriteTimeChanged)
            {
                flag |= 0x00000008;
            }

            if (attributes.IsExtensionsChanged)
            {
                flag |= 0x80000000;
            }

            this.Write(flag);

            if (attributes.IsSizeChanged && attributes.IsRegularFile)
            {
                this.Write((UInt64)attributes.Size);
            }

            if (attributes.IsUserIdChanged|| attributes.IsGroupIdChanged)
            {
                this.Write((UInt32)attributes.UserId);
                this.Write((UInt32)attributes.GroupId);
            }

            if (attributes.IsPermissionsChanged)
            {
                this.Write(attributes.Permissions);
            }

            if (attributes.IsLastAccessTimeChanged || attributes.IsLastWriteTimeChanged)
            {
                var time = (uint)(attributes.LastAccessTime.ToFileTime() / 10000000 - 11644473600);
                this.Write(time);
                time = (uint)(attributes.LastWriteTime.ToFileTime() / 10000000 - 11644473600);
                this.Write(time);
            }

            if (attributes.IsExtensionsChanged)
            {
                this.Write(attributes.Extensions);
            }
        }

        /// <summary>
        /// Performs SSH_FXP_SETSTAT request.
        /// </summary>
        /// <param name="path">The path.</param>
        /// <param name="attributes">The attributes.</param>
        internal void RequestSetStat(string path, SftpFileAttributes attributes)
        {
            SshException exception = null;

            using (var wait = new AutoResetEvent(false))
            {
                var request = new SftpSetStatRequest(this.ProtocolVersion, this.NextRequestId, path, this.Encoding, attributes,
                    (response) =>
                    {
                        exception = this.GetSftpException(response);
                        wait.Set();
                    });

                this.SendRequest(request);

                this.WaitHandle(wait, this._operationTimeout);
            }

            if (exception != null)
            {
                throw exception;
            }
        }