// Requests & returns a TURN ICE Server based on a request URL. Must be run
// off the main thread!
private PeerConnection.IceServer requestTurnServer(string url)
{
try
{
URLConnection connection = (new URL(url)).OpenConnection();
connection.AddRequestProperty("user-agent", "Mozilla/5.0");
connection.AddRequestProperty("origin", "https://apprtc.appspot.com");
string response = drainStream(connection.InputStream);
JSONObject responseJSON = new JSONObject(response);
string uri = responseJSON.GetJSONArray("uris").GetString(0);
string username = responseJSON.GetString("username");
string password = responseJSON.GetString("password");
return(new PeerConnection.IceServer(uri, username, password));
}
catch (JSONException e)
{
throw new Exception("Error", e);
}
catch (IOException e)
{
throw new Exception("Error", e);
}
}