/// <summary>
/// Create start HTTP request
/// </summary>
private XmlQuery StartOrResumeApp(NvHttp nv, LimelightStreamConfiguration streamConfig)
{
XmlQuery serverInfo = new XmlQuery(nv.BaseUrl + "/serverinfo?uniqueid=" + nv.GetUniqueId());
string currentGameString = serverInfo.XmlAttribute("currentgame");
byte[] aesIv = streamConfig.GetRiAesIv();
int riKeyId =
(int)(((aesIv[0] << 24) & 0xFF000000) |
((aesIv[1] << 16) & 0xFF0000) |
((aesIv[2] << 8) & 0xFF00) |
(aesIv[3] & 0xFF));
string riConfigString =
"&rikey=" + Pairing.bytesToHex(streamConfig.GetRiAesKey()) +
"&rikeyid=" + riKeyId;
// Launch a new game if nothing is running
if (currentGameString == null || currentGameString.Equals("0"))
{
return(new XmlQuery(nv.BaseUrl + "/launch?uniqueid=" + nv.GetUniqueId() + "&appid=" + selected.steamID +
"&mode=" + streamConfig.GetWidth() + "x" + streamConfig.GetHeight() + "x" + streamConfig.GetFps() +
"&additionalStates=1&sops=1" + // FIXME: make sops configurable
riConfigString));
}
else
{
// A game was already running, so resume it
// FIXME: Quit and relaunch if it's not the game we came to start
return(new XmlQuery(nv.BaseUrl + "/resume?uniqueid=" + nv.GetUniqueId() + riConfigString));
}
}
/// <summary>
/// Executed when the user presses "Pair"
/// </summary>
private async void PairButton_Click(object sender, RoutedEventArgs e)
{
Computer selected = (Computer)computerPicker.SelectedItem;
// User hasn't selected anything
if (selected == null)
{
var dialog = new MessageDialog("No machine selected", "Pairing Failed");
await dialog.ShowAsync();
status_text.Text = "";
return;
}
nv = new NvHttp(selected.IpAddress);
Pairing p = new Pairing(nv);
// Stop polling timer while we're pairing
mDnsTimer.Stop();
SaveSettings();
await p.Pair(selected);
mDnsTimer.Stop();
}
/// <summary>
/// Event handler for page loaded event
/// </summary>
private async void Loaded(object sender, RoutedEventArgs e)
{
StreamDisplay.Visibility = Visibility.Visible;
Waitgrid.Visibility = Visibility.Collapsed;
currentStateText.Visibility = Visibility.Collapsed;
// Hide the status bar
//var statusBar = Windows.UI.ViewManagement.StatusBar.GetForCurrentView();
//await statusBar.HideAsync();
LimelightStreamConfiguration config;
byte[] aesKey = Pairing.GenerateRandomBytes(16);
// GameStream only uses 4 bytes of a 16 byte IV. Go figure.
byte[] aesRiIndex = Pairing.GenerateRandomBytes(4);
byte[] aesIv = new byte[16];
Array.ConstrainedCopy(aesRiIndex, 0, aesIv, 0, aesRiIndex.Length);
config = new LimelightStreamConfiguration(selected.pixels * (16 / 9), selected.pixels,
selected.fps, 5000, 1024, aesKey, aesIv);
InitializeMediaPlayer(config, AvStream);
//H264FileReaderHackery h = new H264FileReaderHackery();
//Task.Run(() => h.readFile(this));
await StartConnection(config);
}
/// <summary>
/// When the user presses "Start Streaming Steam", first check that they are paired
/// </summary>
private async Task StreamSetup(Computer computer)
{
// Resolve the hostname
try
{
nv = new NvHttp(computer.IpAddress);
}
catch (Exception)
{
StreamSetupFailed("Invalid Hostname");
return;
}
// Get the Ip address of the streaming machine
try
{
await nv.ServerIPAddress();
}
catch (Exception)
{
StreamSetupFailed("Unable to get streaming machine's IP addresss");
return;
}
Pairing p = new Pairing(nv);
// HACK: Preload the cert data
p.getClientCertificate();
// If we can't get the pair state, return
bool?pairState = await p.QueryPairState();
if (!pairState.HasValue)
{
StreamSetupFailed("Pair state query failed");
return;
}
// If we're not paired, return
if (pairState == false)
{
StreamSetupFailed("Device not paired");
return;
}
// If we haven't cancelled and don't have the steam ID, query app list to get it
if (computer.steamID == 0)
{
// If queryAppList fails, return
computer.steamID = await Task.Run(() => QueryAppList());
if (computer.steamID == 0)
{
StreamSetupFailed("App list query failed");
return;
}
}
StreamSetupComplete();
}
/// <summary>
/// When the user presses "Start Streaming Steam", first check that they are paired
/// </summary>
private async Task StreamSetup(Computer computer)
{
// Resolve the hostname
try
{
nv = new NvHttp(computer.IpAddress);
}
catch (Exception)
{
StreamSetupFailed("Invalid Hostname");
return;
}
// Get the Ip address of the streaming machine
try
{
await nv.ServerIPAddress();
}
catch (Exception)
{
StreamSetupFailed("Unable to get streaming machine's IP addresss");
return;
}
Pairing p = new Pairing(nv);
// HACK: Preload the cert data
p.getClientCertificate();
// If we can't get the pair state, return
bool? pairState = await p.QueryPairState();
if (!pairState.HasValue)
{
await StreamSetupFailed("Pair state query failed");
return;
}
// If we're not paired, return
if (pairState == false)
{
await StreamSetupFailed("Device not paired");
return;
}
// If we haven't cancelled and don't have the steam ID, query app list to get it
if (computer.steamID == 0)
{
// If queryAppList fails, return
computer.steamID = await Task.Run(() => QueryAppList());
if (computer.steamID == 0)
{
await StreamSetupFailed("App list query failed");
return;
}
}
await StreamSetupComplete();
}
/// Get the local device's name
/// </summary>
/// <returns>Unique ID for the device</returns>
public String GetUniqueId()
{
var token = HardwareIdentification.GetPackageSpecificToken(null);
var hardwareId = token.Id;
var dataReader = Windows.Storage.Streams.DataReader.FromBuffer(hardwareId);
byte[] bytes = new byte[8];
dataReader.ReadBytes(bytes);
return(Pairing.bytesToHex(bytes));
}
/// <summary>
/// Executed when the user presses "Pair"
/// </summary>
private async void PairButton_Click(object sender, RoutedEventArgs e)
{
Computer selected = (Computer)computerPicker.SelectedItem;
// User hasn't selected anything
if (selected == null)
{
var dialog = new MessageDialog("No machine selected", "Pairing Failed");
await dialog.ShowAsync();
status_text.Text = "";
return;
}
nv = new NvHttp(selected.IpAddress);
Pairing p = new Pairing(nv);
// Stop polling timer while we're pairing
mDnsTimer.Stop();
SaveSettings();
await p.Pair(selected);
mDnsTimer.Stop();
}
