/// <summary>
/// Creates a search.
/// </summary>
/// <returns></returns>
public virtual ISsdpSearch CreateSearch(bool requireUniqueLocation)
{
var search = new SsdpSearch();
var dict = new Dictionary<string, SsdpMessage>();
search.Filter = msg =>
{
lock (dict)
{
// Restrict duplicate search responses based on location or UDN/USN
// The reason for this is that there is potential for devices to share the same UDN
// However, each unique location is definitely a separate result
// And there's no potential for two devices to share the same location
string key = (requireUniqueLocation ? msg.Location : msg.USN);
if (dict.ContainsKey(key))
return false;
dict.Add(key, msg);
return true;
}
};
search.ResultFound += (sender, e) =>
{
this.OnSsdpMessageReceived(sender, e);
this.OnSearchResponse(sender, e);
};
return search;
}
/// <summary>
/// Creates a search.
/// </summary>
/// <returns></returns>
public virtual ISsdpSearch CreateSearch(bool requireUniqueLocation)
{
var search = new SsdpSearch(this.Sockets.ToArray());
var dict = new Dictionary <string, SsdpMessage>();
search.Filter = msg =>
{
lock (dict)
{
// Restrict duplicate search responses based on location or UDN/USN
// The reason for this is that there is potential for devices to share the same UDN
// However, each unique location is definitely a separate result
// And there's no potential for two devices to share the same location
string key = (requireUniqueLocation ? msg.Location : msg.USN);
if (dict.ContainsKey(key))
{
return(false);
}
dict.Add(key, msg);
return(true);
}
};
search.ResultFound += (sender, e) =>
{
this.OnSsdpMessageReceived(sender, e);
this.OnSearchResponse(sender, e);
};
return(search);
}