2013-03-11 05:04:08 +01:00
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using MediaBrowser.Model.Logging;
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using System;
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2013-03-24 03:45:00 +01:00
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using System.Collections.Generic;
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2014-01-12 22:32:13 +01:00
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using System.Globalization;
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2013-02-25 06:17:59 +01:00
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using System.IO;
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2016-10-25 21:02:04 +02:00
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using System.Threading;
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2016-07-14 21:13:52 +02:00
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using System.Threading.Tasks;
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2016-10-06 20:55:01 +02:00
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using MediaBrowser.Common.IO;
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2016-10-25 21:02:04 +02:00
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using MediaBrowser.Model.Services;
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2013-02-25 06:17:59 +01:00
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2016-11-04 02:18:51 +01:00
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namespace Emby.Server.Implementations.HttpServer
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2013-02-25 06:17:59 +01:00
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{
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/// <summary>
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/// Class StreamWriter
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/// </summary>
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public class StreamWriter : IAsyncStreamWriter, IHasHeaders
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2013-02-25 06:17:59 +01:00
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{
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private ILogger Logger { get; set; }
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private static readonly CultureInfo UsCulture = new CultureInfo("en-US");
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2013-02-25 06:17:59 +01:00
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/// <summary>
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/// Gets or sets the source stream.
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/// </summary>
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/// <value>The source stream.</value>
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2013-03-25 03:41:27 +01:00
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private Stream SourceStream { get; set; }
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2016-11-12 07:58:50 +01:00
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private byte[] SourceBytes { get; set; }
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2013-03-24 03:45:00 +01:00
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/// <summary>
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/// The _options
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/// </summary>
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private readonly IDictionary<string, string> _options = new Dictionary<string, string>();
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/// <summary>
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/// Gets the options.
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/// </summary>
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/// <value>The options.</value>
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public IDictionary<string, string> Headers
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{
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get { return _options; }
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}
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2014-09-03 04:30:24 +02:00
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public Action OnComplete { get; set; }
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2015-10-02 20:30:27 +02:00
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public Action OnError { get; set; }
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2014-08-30 16:26:29 +02:00
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2013-02-25 06:17:59 +01:00
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/// <summary>
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/// Initializes a new instance of the <see cref="StreamWriter" /> class.
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/// </summary>
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/// <param name="source">The source.</param>
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/// <param name="contentType">Type of the content.</param>
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2013-03-11 05:04:08 +01:00
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/// <param name="logger">The logger.</param>
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public StreamWriter(Stream source, string contentType, ILogger logger)
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{
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if (string.IsNullOrEmpty(contentType))
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{
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throw new ArgumentNullException("contentType");
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}
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2013-02-25 06:17:59 +01:00
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SourceStream = source;
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2013-03-11 05:04:08 +01:00
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Logger = logger;
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2013-03-24 03:45:00 +01:00
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Headers["Content-Type"] = contentType;
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2014-01-12 22:32:13 +01:00
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if (source.CanSeek)
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{
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Headers["Content-Length"] = source.Length.ToString(UsCulture);
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2014-01-12 22:32:13 +01:00
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}
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2013-02-25 06:17:59 +01:00
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}
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2013-03-25 03:41:27 +01:00
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/// <summary>
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/// Initializes a new instance of the <see cref="StreamWriter"/> class.
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/// </summary>
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/// <param name="source">The source.</param>
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/// <param name="contentType">Type of the content.</param>
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/// <param name="logger">The logger.</param>
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public StreamWriter(byte[] source, string contentType, ILogger logger)
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{
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if (string.IsNullOrEmpty(contentType))
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{
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throw new ArgumentNullException("contentType");
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}
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2016-11-12 07:58:50 +01:00
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SourceBytes = source;
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Logger = logger;
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2016-10-25 21:02:04 +02:00
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Headers["Content-Type"] = contentType;
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Headers["Content-Length"] = source.Length.ToString(UsCulture);
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2013-03-25 03:41:27 +01:00
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}
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public async Task WriteToAsync(Stream responseStream, CancellationToken cancellationToken)
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2013-02-25 06:17:59 +01:00
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{
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2013-03-11 05:04:08 +01:00
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try
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2013-03-09 07:05:19 +01:00
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{
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var bytes = SourceBytes;
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if (bytes != null)
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{
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await responseStream.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
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}
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else
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{
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using (var src = SourceStream)
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{
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2016-10-31 21:00:26 +01:00
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await src.CopyToAsync(responseStream).ConfigureAwait(false);
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}
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2013-03-11 05:04:08 +01:00
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}
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}
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catch (Exception ex)
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{
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Logger.ErrorException("Error streaming data", ex);
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2013-03-11 05:04:08 +01:00
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2015-10-02 20:30:27 +02:00
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if (OnError != null)
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{
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OnError();
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}
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2016-07-14 21:13:52 +02:00
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2013-03-11 05:04:08 +01:00
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throw;
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2013-03-09 07:05:19 +01:00
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}
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2014-09-03 04:30:24 +02:00
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finally
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{
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if (OnComplete != null)
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{
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OnComplete();
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}
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}
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2013-02-25 06:17:59 +01:00
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}
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}
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}
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