jellyfin-server/MediaBrowser.Dlna/PlayTo/SsdpHelper.cs
2014-02-26 16:31:47 -05:00

57 lines
2.1 KiB
C#

using System;
using System.Linq;
using System.Text;
namespace MediaBrowser.Dlna.PlayTo
{
public class SsdpHelper
{
private const string SsdpRenderer = "M-SEARCH * HTTP/1.1\r\n" +
"HOST: 239.255.255.250:1900\r\n" +
"User-Agent: UPnP/1.0 DLNADOC/1.50 Platinum/0.6.9.1\r\n" +
"ST: urn:schemas-upnp-org:device:MediaRenderer:1\r\n" +
"MAN: \"ssdp:discover\"\r\n" +
"MX: {0}\r\n" +
"\r\n";
/// <summary>
/// Creates a SSDP MSearch packet for DlnaRenderers.
/// </summary>
/// <param name="mx">The mx. (Delaytime for device before responding)</param>
/// <returns></returns>
public static byte[] CreateRendererSSDP(int mx)
{
return Encoding.UTF8.GetBytes(string.Format(SsdpRenderer, mx));
}
/// <summary>
/// Parses the socket response into a location Uri for the DeviceDescription.xml.
/// </summary>
/// <param name="data">The data.</param>
/// <returns></returns>
public static Uri ParseSsdpResponse(string data)
{
var res = (from line in data.Split(new[] { '\r', '\n' })
where line.ToLowerInvariant().StartsWith("location:")
select line).FirstOrDefault();
return !string.IsNullOrEmpty(res) ? new Uri(res.Substring(9).Trim()) : null;
}
/// <summary>
/// Parses data into SSDP event.
/// </summary>
/// <param name="data">The data.</param>
/// <returns></returns>
[Obsolete("Not yet used", true)]
public static string ParseSsdpEvent(string data)
{
var sid = (from line in data.Split(new[] { '\r', '\n' })
where line.ToLowerInvariant().StartsWith("sid:")
select line).FirstOrDefault();
return data;
}
}
}