public bool IsConnected()
{//Will send a request to the DLNA server and then see if we get a valid reply
Connected = false;
try
{
Socket SocWeb = HelperDLNA.MakeSocket(this.IP, this.Port);
SocWeb.Send(Encoding.UTF8.GetBytes(HelperDLNA.MakeRequest("GET", this.SMP, 0, "", this.IP, this.Port)), SocketFlags.None);
this.HTML = HelperDLNA.ReadSocket(SocWeb, true, ref this.ReturnCode);
if (this.ReturnCode != 200)
{
return(false);
}
this.Services = DLNAService.ReadServices(HTML);
if (this.HTML.ToLower().IndexOf("<friendlyname>") > -1)
{
this.FriendlyName = this.HTML.ChopOffBefore("<friendlyName>").ChopOffAfter("</friendlyName>").Trim();
}
foreach (DLNAService S in this.Services.Values)
{
if (S.ServiceType.ToLower().IndexOf("avtransport:1") > -1)//avtransport is the one we will be using to control the device
{
this.ControlURL = S.controlURL;
this.Connected = true;
return(true);
}
}
}
catch {; }
return(false);
}
public static Dictionary <string, DLNAService> ReadServices(string HTML)
{
Dictionary <string, DLNAService> Dic = new Dictionary <string, DLNAService>();
HTML = HTML.ChopOffBefore("<serviceList>").ChopOffAfter("</serviceList>").Replace("</service>", "¬");
foreach (string Line in HTML.Split('¬'))
{
if (Line.Length > 20)
{
DLNAService S = new DLNAService(Line);
Dic.Add(S.ServiceID, S);
}
}
return(Dic);
}