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<b>Warning</b>:  session_start(): open(/var/lib/php/sessions/sess_asj0d0v9l4igoi4989fgds3j55, O_RDWR) failed: No space left on device (28) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
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<b>Warning</b>:  session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in <b>/var/www/tb-usercake/models/config.php</b> on line <b>51</b><br />
// assumes you also use serveHttp (for classes MyHTTPD and NanoHTTPD)
  
static MyHTTPD serveHttps_server;
static int serveHttps_port = 8889;

static void serveHttps(int port, File keystore, S pass) ctex {
  serveHttps_port = port;
  serveHttps_server = new MyHTTPD(port);
  serveHttps_server.makeSecure(serveHttps_makeSSLSocketFactory(keystore, pass));
  serveHttps_server.start();
  System.out.println("HTTPS server started (listening on port " + port + "!)");
}

// seems to assume same password is used for keystore as well as certificate.
static SSLServerSocketFactory serveHttps_makeSSLSocketFactory(File keystoreFile, S passphrase) ctex {
  KeyStore keystore = KeyStore.getInstance(KeyStore.getDefaultType());
  InputStream keystoreStream = new FileInputStream(keystoreFile);
  try {
    keystore.load(keystoreStream, passphrase.toCharArray());
  } finally {
    keystoreStream.close();
  }
  TrustManagerFactory trustManagerFactory = TrustManagerFactory.getInstance(TrustManagerFactory.getDefaultAlgorithm());
  trustManagerFactory.init(keystore);
  KeyManagerFactory keyManagerFactory = KeyManagerFactory.getInstance(KeyManagerFactory.getDefaultAlgorithm());
  keyManagerFactory.init(keystore, passphrase.toCharArray());
  SSLContext ctx = SSLContext.getInstance("TLS");
  ctx.init(keyManagerFactory.getKeyManagers(), trustManagerFactory.getTrustManagers(), null);
  ret ctx.getServerSocketFactory();
}