diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:45:59 +0000 |
commit | 19fcec84d8d7d21e796c7624e521b60d28ee21ed (patch) | |
tree | 42d26aa27d1e3f7c0b8bd3fd14e7d7082f5008dc /src/jaegertracing/thrift/lib/netstd/Thrift/Transport/Client/TMemoryBufferTransport.cs | |
parent | Initial commit. (diff) | |
download | ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.tar.xz ceph-19fcec84d8d7d21e796c7624e521b60d28ee21ed.zip |
Adding upstream version 16.2.11+ds.upstream/16.2.11+dsupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | src/jaegertracing/thrift/lib/netstd/Thrift/Transport/Client/TMemoryBufferTransport.cs | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/netstd/Thrift/Transport/Client/TMemoryBufferTransport.cs b/src/jaegertracing/thrift/lib/netstd/Thrift/Transport/Client/TMemoryBufferTransport.cs new file mode 100644 index 000000000..25895c2b7 --- /dev/null +++ b/src/jaegertracing/thrift/lib/netstd/Thrift/Transport/Client/TMemoryBufferTransport.cs @@ -0,0 +1,179 @@ +// Licensed to the Apache Software Foundation(ASF) under one +// or more contributor license agreements.See the NOTICE file +// distributed with this work for additional information +// regarding copyright ownership.The ASF licenses this file +// to you under the Apache License, Version 2.0 (the +// "License"); you may not use this file except in compliance +// with the License. You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, +// software distributed under the License is distributed on an +// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY +// KIND, either express or implied. See the License for the +// specific language governing permissions and limitations +// under the License. + +using System; +using System.Diagnostics; +using System.IO; +using System.Threading; +using System.Threading.Tasks; + +namespace Thrift.Transport.Client +{ + // ReSharper disable once InconsistentNaming + public class TMemoryBufferTransport : TTransport + { + private bool IsDisposed; + private byte[] Bytes; + private int _bytesUsed; + + public TMemoryBufferTransport() + { + Bytes = new byte[2048]; // default size + } + + public TMemoryBufferTransport(int initialCapacity) + { + Bytes = new byte[initialCapacity]; // default size + } + + public TMemoryBufferTransport(byte[] buf) + { + Bytes = (byte[])buf.Clone(); + _bytesUsed = Bytes.Length; + } + + public int Position { get; set; } + + public int Capacity + { + get + { + Debug.Assert(_bytesUsed <= Bytes.Length); + return Bytes.Length; + } + set + { + Array.Resize(ref Bytes, value); + _bytesUsed = value; + } + } + + public int Length + { + get { + Debug.Assert(_bytesUsed <= Bytes.Length); + return _bytesUsed; + } + set { + if ((Bytes.Length < value) || (Bytes.Length > (10 * value))) + Array.Resize(ref Bytes, Math.Max(2048, (int)(value * 1.25))); + _bytesUsed = value; + } + } + + public void SetLength(int value) + { + Length = value; + Position = Math.Min(Position, value); + } + + public override bool IsOpen => true; + + public override async Task OpenAsync(CancellationToken cancellationToken) + { + if (cancellationToken.IsCancellationRequested) + { + await Task.FromCanceled(cancellationToken); + } + } + + public override void Close() + { + /** do nothing **/ + } + + public void Seek(int delta, SeekOrigin origin) + { + int newPos; + switch (origin) + { + case SeekOrigin.Begin: + newPos = delta; + break; + case SeekOrigin.Current: + newPos = Position + delta; + break; + case SeekOrigin.End: + newPos = _bytesUsed + delta; + break; + default: + throw new ArgumentException(nameof(origin)); + } + + if ((0 > newPos) || (newPos > _bytesUsed)) + throw new ArgumentException(nameof(origin)); + Position = newPos; + } + + public override ValueTask<int> ReadAsync(byte[] buffer, int offset, int length, CancellationToken cancellationToken) + { + var count = Math.Min(Length - Position, length); + Buffer.BlockCopy(Bytes, Position, buffer, offset, count); + Position += count; + return new ValueTask<int>(count); + } + + public override Task WriteAsync(byte[] buffer, CancellationToken cancellationToken) + { + return WriteAsync(buffer, 0, buffer.Length, cancellationToken); + } + + public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken) + { + var free = Length - Position; + Length = Length + count - free; + Buffer.BlockCopy(buffer, offset, Bytes, Position, count); + Position += count; + return Task.CompletedTask; + } + + public override async Task FlushAsync(CancellationToken cancellationToken) + { + if (cancellationToken.IsCancellationRequested) + { + await Task.FromCanceled(cancellationToken); + } + } + + public byte[] GetBuffer() + { + var retval = new byte[Length]; + Buffer.BlockCopy(Bytes, 0, retval, 0, Length); + return retval; + } + + internal bool TryGetBuffer(out ArraySegment<byte> bufSegment) + { + bufSegment = new ArraySegment<byte>(Bytes, 0, _bytesUsed); + return true; + } + + + // IDisposable + protected override void Dispose(bool disposing) + { + if (!IsDisposed) + { + if (disposing) + { + // nothing to do + } + } + IsDisposed = true; + } + } +} |