/// <summary>
/// Copies the specified file segment to the given response stream.
/// This calls StartAsync if it has not previously been called.
/// </summary>
/// <param name="path">The full disk path to the file.</param>
/// <param name="offset">The offset in the file to start at.</param>
/// <param name="count">The number of bytes to send, or null to send the remainder of the file.</param>
/// <param name="cancellationToken">A <see cref="CancellationToken"/> used to abort the transmission.</param>
/// <returns></returns>
public virtual async Task SendFileAsync(string path, long offset, long?count, CancellationToken cancellationToken)
{
if (!_started)
{
await StartAsync(cancellationToken);
}
await SendFileFallback.SendFileAsync(Stream, path, offset, count, cancellationToken);
}
public Task SendFileAsync(string path, long offset, long?count, CancellationToken cancellation)
{
OnWrite();
if (_compressionStream != null)
{
return(SendFileFallback.SendFileAsync(Stream, path, offset, count, cancellation));
}
return(_innerBodyFeature.SendFileAsync(path, offset, count, cancellation));
}
public Task SendFileAsync(string path, long offset, long?count, CancellationToken cancellationToken)
{
Initialize();
if (_minificationEnabled || _compressionEnabled)
{
return(SendFileFallback.SendFileAsync(Stream, path, offset, count, cancellationToken));
}
return(_responseBodyFeature.SendFileAsync(path, offset, count, cancellationToken));
}
Task IHttpResponseBodyFeature.SendFileAsync(string path, long offset, long?length, CancellationToken cancellation)
{
var writer = ((IHttpResponseBodyFeature)this).Writer;
return(SendFileFallback.SendFileAsync(writer.AsStream(), path, offset, length, cancellation));
}
