/// Get the local device's name
/// </summary>
/// <returns>Unique ID for the device</returns>
public String GetUniqueId()
{
var settings = ApplicationData.Current.RoamingSettings;
byte[] bytes;
if (settings.Values.ContainsKey("uniqueid"))
{
bytes = (byte[])settings.Values["uniqueid"];
}
else
{
bytes = PairingCryptoHelpers.GenerateRandomBytes(8);
settings.Values["uniqueid"] = bytes;
}
return(PairingCryptoHelpers.BytesToHex(bytes));
}
/// <summary>
/// Create start HTTP request
/// </summary>
private async Task <bool> StartOrResumeApp(NvHttp nv, MoonlightStreamConfiguration streamConfig)
{
XmlQuery serverInfo = new XmlQuery(nv.BaseUrl + "/serverinfo?uniqueid=" + nv.GetUniqueId());
string currentGameString = await serverInfo.ReadXmlElement("currentgame");
if (currentGameString == null)
{
return(false);
}
string versionString = await serverInfo.ReadXmlElement("appversion");
if (versionString == null)
{
return(false);
}
serverMajorVersion = Convert.ToInt32(versionString.Substring(0, 1));
byte[] aesIv = streamConfig.GetRiAesIv();
int riKeyId =
(int)(((aesIv[0] << 24) & 0xFF000000U) |
((aesIv[1] << 16) & 0xFF0000U) |
((aesIv[2] << 8) & 0xFF00U) |
(aesIv[3] & 0xFFU));
string riConfigString =
"&rikey=" + PairingCryptoHelpers.BytesToHex(streamConfig.GetRiAesKey()) +
"&rikeyid=" + riKeyId;
// Launch a new game if nothing is running
if (currentGameString == null || currentGameString.Equals("0"))
{
XmlQuery x = new XmlQuery(nv.BaseUrl + "/launch?uniqueid=" + nv.GetUniqueId() + "&appid=" + context.appId +
"&mode=" + streamConfig.GetWidth() + "x" + streamConfig.GetHeight() + "x" + streamConfig.GetFps() +
"&additionalStates=1&sops=1" + // FIXME: make sops configurable
riConfigString);
string sessionStr = await x.ReadXmlElement("gamesession");
if (sessionStr == null || sessionStr.Equals("0"))
{
return(false);
}
return(true);
}
else
{
// A game was already running, so resume it
// FIXME: Quit and relaunch if it's not the game we came to start
XmlQuery x = new XmlQuery(nv.BaseUrl + "/resume?uniqueid=" + nv.GetUniqueId() + riConfigString);
string resumeStr = await x.ReadXmlElement("resume");
if (resumeStr == null || resumeStr.Equals("0"))
{
return(false);
}
return(true);
}
}
