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// 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.IO;
using System.Threading;
using System.Threading.Tasks;
namespace Thrift.Transport.Client
{
// ReSharper disable once InconsistentNaming
public class TStreamTransport : TEndpointTransport
{
private bool _isDisposed;
protected TStreamTransport(TConfiguration config)
:base(config)
{
}
public TStreamTransport(Stream inputStream, Stream outputStream, TConfiguration config)
: base(config)
{
InputStream = inputStream;
OutputStream = outputStream;
}
protected Stream OutputStream { get; set; }
private Stream _InputStream = null;
protected Stream InputStream {
get => _InputStream;
set {
_InputStream = value;
ResetConsumedMessageSize();
}
}
public override bool IsOpen => true;
public override Task OpenAsync(CancellationToken cancellationToken)
{
cancellationToken.ThrowIfCancellationRequested();
return Task.CompletedTask;
}
public override void Close()
{
if (InputStream != null)
{
InputStream.Dispose();
InputStream = null;
}
if (OutputStream != null)
{
OutputStream.Dispose();
OutputStream = null;
}
}
public override async ValueTask<int> ReadAsync(byte[] buffer, int offset, int length, CancellationToken cancellationToken)
{
if (InputStream == null)
{
throw new TTransportException(TTransportException.ExceptionType.NotOpen,
"Cannot read from null inputstream");
}
#if NETSTANDARD2_0
return await InputStream.ReadAsync(buffer, offset, length, cancellationToken);
#else
return await InputStream.ReadAsync(new Memory<byte>(buffer, offset, length), cancellationToken);
#endif
}
public override async Task WriteAsync(byte[] buffer, int offset, int length, CancellationToken cancellationToken)
{
if (OutputStream == null)
{
throw new TTransportException(TTransportException.ExceptionType.NotOpen,
"Cannot write to null outputstream");
}
#if NETSTANDARD2_0
await OutputStream.WriteAsync(buffer, offset, length, cancellationToken);
#else
await OutputStream.WriteAsync(buffer.AsMemory(offset, length), cancellationToken);
#endif
}
public override async Task FlushAsync(CancellationToken cancellationToken)
{
await OutputStream.FlushAsync(cancellationToken);
ResetConsumedMessageSize();
}
// IDisposable
protected override void Dispose(bool disposing)
{
if (!_isDisposed)
{
if (disposing)
{
InputStream?.Dispose();
OutputStream?.Dispose();
}
}
_isDisposed = true;
}
}
}
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