protected override void Dispose(bool disposing)
{
if (disposing)
{
ParentStream.Dispose();
}
}
public override int Read(byte[] buffer, int offset, int count)
{
token.ThrowIfCancellationRequested();
int num = ParentStream.Read(buffer, offset, count);
ReadCallback(num);
return(num);
}
public override async Task <int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
token.ThrowIfCancellationRequested();
CancellationTokenSource cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token, cancellationToken);
int num = await ParentStream.ReadAsync(buffer, offset, count, cancellationTokenSource.Token);
ReadCallback(num);
return(num);
}
public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
token.ThrowIfCancellationRequested();
CancellationTokenSource cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(token, cancellationToken);
Task result = ParentStream.WriteAsync(buffer, offset, count, cancellationTokenSource.Token);
WriteCallback(count);
return(result);
}
public override async Task <int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
_token.ThrowIfCancellationRequested();
var linked = CancellationTokenSource.CreateLinkedTokenSource(_token, cancellationToken);
var readCount = await ParentStream.ReadAsync(buffer, offset, count, linked.Token);
ReadCallback(readCount);
return(readCount);
}
public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
_token.ThrowIfCancellationRequested();
var linked = CancellationTokenSource.CreateLinkedTokenSource(_token, cancellationToken);
var task = ParentStream.WriteAsync(buffer, offset, count, linked.Token);
WriteCallback(count);
return(task);
}
public override long Seek(long offset, SeekOrigin origin)
{
token.ThrowIfCancellationRequested();
try {
return(ParentStream.Seek(offset, origin));
} catch (Exception e) {
if (exceptionMapper != null)
{
exceptionMapper(e);
}
throw e;
}
}
public override void SetLength(long value)
{
token.ThrowIfCancellationRequested();
try {
ParentStream.SetLength(value);
} catch (Exception e) {
if (exceptionMapper != null)
{
exceptionMapper(e);
}
throw e;
}
}
public override void Write(byte[] buffer, int offset, int count)
{
token.ThrowIfCancellationRequested();
try {
ParentStream.Write(buffer, offset, count);
} catch (Exception e) {
if (exceptionMapper != null)
{
exceptionMapper(e);
}
throw e;
}
WriteCallback(count);
}
public override int Read(byte[] buffer, int offset, int count)
{
token.ThrowIfCancellationRequested();
try {
var readCount = ParentStream.Read(buffer, offset, count);
ReadCallback(readCount);
return(readCount);
} catch (Exception e) {
if (exceptionMapper != null)
{
exceptionMapper(e);
}
throw e;
}
}
public override long Seek(long offset, SeekOrigin origin)
{
if (origin == SeekOrigin.Begin || origin == SeekOrigin.End)
{
offset += startPosition;
}
if (origin == SeekOrigin.End)
{
offset += Length;
origin = SeekOrigin.Begin;
}
ParentStream.Seek(offset, origin);
return(Position);
}
public override Task WriteAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
token.ThrowIfCancellationRequested();
var linked = CancellationTokenSource.CreateLinkedTokenSource(token, cancellationToken);
var task = default(Task);
try {
task = ParentStream.WriteAsync(buffer, offset, count, linked.Token);
} catch (Exception e) {
if (exceptionMapper != null)
{
exceptionMapper(e);
}
throw e;
}
WriteCallback(count);
return(task);
}
public override async Task <int> ReadAsync(byte[] buffer, int offset, int count, CancellationToken cancellationToken)
{
token.ThrowIfCancellationRequested();
var linked = CancellationTokenSource.CreateLinkedTokenSource(token, cancellationToken);
int readCount;
try {
readCount = await ParentStream.ReadAsync(buffer, offset, count, linked.Token);
} catch (Exception e) {
if (exceptionMapper != null)
{
exceptionMapper(e);
}
throw e;
}
ReadCallback(readCount);
return(readCount);
}
public override void Write(byte[] buffer, int offset, int count)
{
ParentStream.Write(buffer, offset, count);
}
public override void SetLength(long value)
{
ParentStream.SetLength(value);
}
public override void SetLength(long value)
{
token.ThrowIfCancellationRequested();
ParentStream.SetLength(value);
}
public override void Flush()
{
ParentStream.Flush();
}
public override Task FlushAsync(CancellationToken cancellationToken)
{
return(ParentStream.FlushAsync(cancellationToken));
}
public override int Read(byte[] buffer, int offset, int count)
{
return(ParentStream.Read(buffer, offset, count));
}
public override long Seek(long offset, SeekOrigin origin)
{
token.ThrowIfCancellationRequested();
return(ParentStream.Seek(offset, origin));
}
public override long Seek(long offset, SeekOrigin origin)
{
return(ParentStream.Seek(offset, origin));
}
public override void Write(byte[] buffer, int offset, int count)
{
token.ThrowIfCancellationRequested();
ParentStream.Write(buffer, offset, count);
WriteCallback(count);
}
public override int Read(byte[] buffer, int offset, int count)
{
count = Math.Min((int)Math.Max(Length - Position, (long)0), count);
return(ParentStream.Read(buffer, offset, count));
}