Exemplo n.º 1
0
        private async Task DownloadToStreamHelperAsync(IReadBindingHandle binding, GridFSFileInfo <TFileId> fileInfo, Stream destination, GridFSDownloadOptions options, CancellationToken cancellationToken = default(CancellationToken))
        {
            var checkMD5 = options.CheckMD5 ?? false;

            var retryReads = _database.Client.Settings.RetryReads;

            using (var source = new GridFSForwardOnlyDownloadStream <TFileId>(this, binding.Fork(), fileInfo, checkMD5)
            {
                RetryReads = retryReads
            })
            {
                var count  = source.Length;
                var buffer = new byte[fileInfo.ChunkSizeBytes];

                while (count > 0)
                {
                    var partialCount = (int)Math.Min(buffer.Length, count);
                    await source.ReadBytesAsync(buffer, 0, partialCount, cancellationToken).ConfigureAwait(false);

                    await destination.WriteAsync(buffer, 0, partialCount, cancellationToken).ConfigureAwait(false);

                    count -= partialCount;
                }

                await source.CloseAsync(cancellationToken).ConfigureAwait(false);
            }
        }
Exemplo n.º 2
0
        private void DownloadToStreamHelper(IReadBindingHandle binding, GridFSFileInfo <TFileId> fileInfo, Stream destination, GridFSDownloadOptions options, CancellationToken cancellationToken = default(CancellationToken))
        {
            var checkMD5 = options.CheckMD5 ?? false;

            using (var source = new GridFSForwardOnlyDownloadStream <TFileId>(this, binding.Fork(), fileInfo, checkMD5))
            {
                var count  = source.Length;
                var buffer = new byte[fileInfo.ChunkSizeBytes];

                while (count > 0)
                {
                    var partialCount = (int)Math.Min(buffer.Length, count);
                    source.ReadBytes(buffer, 0, partialCount, cancellationToken);
                    //((Stream)source).ReadBytes(buffer, 0, partialCount, cancellationToken);
                    destination.Write(buffer, 0, partialCount);
                    count -= partialCount;
                }
            }
        }
Exemplo n.º 3
0
        private async Task DownloadToStreamAsyncHelper(IReadBindingHandle binding, GridFSFilesCollectionDocument filesCollectionDocument, Stream destination, GridFSDownloadOptions options = null, CancellationToken cancellationToken = default(CancellationToken))
        {
            var checkMD5 = options.CheckMD5 ?? false;

            using (var source = new GridFSForwardOnlyDownloadStream(this, binding.Fork(), filesCollectionDocument, checkMD5))
            {
                var count  = source.Length;
                var buffer = new byte[filesCollectionDocument.ChunkSizeBytes];

                while (count > 0)
                {
                    var partialCount = (int)Math.Min(buffer.Length, count);
                    await source.ReadBytesAsync(buffer, 0, partialCount, cancellationToken).ConfigureAwait(false);

                    await destination.WriteAsync(buffer, 0, partialCount, cancellationToken).ConfigureAwait(false);

                    count -= partialCount;
                }

                await source.CloseAsync(cancellationToken).ConfigureAwait(false);
            }
        }
Exemplo n.º 4
0
        private async Task DownloadToStreamHelperAsync(IReadBindingHandle binding, GridFSFileInfo fileInfo, Stream destination, GridFSDownloadOptions options, CancellationToken cancellationToken = default(CancellationToken))
        {
            var checkMD5 = options.CheckMD5 ?? false;

            using (var source = new GridFSForwardOnlyDownloadStream(this, binding.Fork(), fileInfo, checkMD5))
            {
                var count = source.Length;
                var buffer = new byte[fileInfo.ChunkSizeBytes];

                while (count > 0)
                {
                    var partialCount = (int)Math.Min(buffer.Length, count);
                    await source.ReadBytesAsync(buffer, 0, partialCount, cancellationToken).ConfigureAwait(false);
                    await destination.WriteAsync(buffer, 0, partialCount, cancellationToken).ConfigureAwait(false);
                    count -= partialCount;
                }

                await source.CloseAsync(cancellationToken).ConfigureAwait(false);
            }
        }
Exemplo n.º 5
0
        private void DownloadToStreamHelper(IReadBindingHandle binding, GridFSFileInfo fileInfo, Stream destination, GridFSDownloadOptions options, CancellationToken cancellationToken = default(CancellationToken))
        {
            var checkMD5 = options.CheckMD5 ?? false;

            using (var source = new GridFSForwardOnlyDownloadStream(this, binding.Fork(), fileInfo, checkMD5))
            {
                var count = source.Length;
                var buffer = new byte[fileInfo.ChunkSizeBytes];

                while (count > 0)
                {
                    var partialCount = (int)Math.Min(buffer.Length, count);
                    source.ReadBytes(buffer, 0, partialCount, cancellationToken);
                    //((Stream)source).ReadBytes(buffer, 0, partialCount, cancellationToken);
                    destination.Write(buffer, 0, partialCount);
                    count -= partialCount;
                }
            }
        }