jellyfin-server/MediaBrowser.Dlna/Ssdp/SsdpMessageBuilder.cs

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C#
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using System;
using System.Collections.Generic;
using System.Text;
namespace MediaBrowser.Dlna.Ssdp
{
public class SsdpMessageBuilder
{
public string BuildMessage(string header, Dictionary<string, string> values)
{
var builder = new StringBuilder();
const string argFormat = "{0}: {1}\r\n";
builder.AppendFormat("{0}\r\n", header);
foreach (var pair in values)
{
builder.AppendFormat(argFormat, pair.Key, pair.Value);
}
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builder.Append("\r\n");
return builder.ToString();
}
public string BuildDiscoveryMessage(string deviceSearchType, string mx)
{
const string header = "M-SEARCH * HTTP/1.1";
var values = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
values["HOST"] = "239.255.255.250:1900";
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values["USER-AGENT"] = "UPnP/1.0 DLNADOC/1.50 Platinum/1.0.4.2";
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values["ST"] = deviceSearchType;
values["MAN"] = "\"ssdp:discover\"";
values["MX"] = mx;
return BuildMessage(header, values);
}
public string BuildRendererDiscoveryMessage()
{
return BuildDiscoveryMessage("urn:schemas-upnp-org:device:MediaRenderer:1", "3");
}
}
}