public void saveStandings() {
try {
int bootLength = properties.getPropertyInt("bootLength");
gameLength = MemStore.getGameLengths().get(gameId) - bootLength;
lastTick = Integer.parseInt(MemStore.getGameHeartbeats().get(gameId)[0]) - bootLength;
} catch (Exception ignored) {
}
}
private int getGameId(HttpServletRequest request) {
int gameId;
try {
gameId = Integer.parseInt(request.getParameter(Rest.REQ_PARAM_GAMEID));
} catch (Exception ignored) {
String niceName = request.getParameter(Rest.REQ_PARAM_GAMEID);
gameId = MemStore.getGameId(niceName);
}
return gameId;
}
private String handleGET(HttpServletRequest request) {
try {
String actionString = request.getParameter(Rest.REQ_PARAM_ACTION);
if (actionString.equalsIgnoreCase(Rest.REQ_PARAM_STATUS)) {
if (!MemStore.checkMachineAllowed(request.getRemoteAddr())) {
return "error";
}
return handleStatus(request);
} else if (actionString.equalsIgnoreCase(Rest.REQ_PARAM_BOOT)) {
return serveBoot(getGameId(request));
} else if (actionString.equalsIgnoreCase(Rest.REQ_PARAM_HEARTBEAT)) {
if (!MemStore.checkMachineAllowed(request.getRemoteAddr())) {
return "error";
}
return handleHeartBeat(request);
}
} catch (Exception ignored) {
}
return "error";
}
private String handleHeartBeat(HttpServletRequest request) {
int gameId;
// Write heartbeat + elapsed time to the MemStore
try {
String message = request.getParameter(Rest.REQ_PARAM_MESSAGE);
gameId = getGameId(request);
if (!(gameId > 0)) {
log.debug("The message didn't have a gameId!");
return "error";
}
MemStore.addGameHeartbeat(gameId, message);
long elapsedTime = Long.parseLong(request.getParameter(Rest.REQ_PARAM_ELAPSED_TIME));
if (elapsedTime > 0) {
MemStore.addElapsedTime(gameId, elapsedTime);
}
} catch (Exception e) {
e.printStackTrace();
return "error";
}
// Write heartbeat to the DB
Session session = HibernateUtil.getSession();
Transaction transaction = session.beginTransaction();
try {
Game game = (Game) session.get(Game.class, gameId);
String standings = request.getParameter(Rest.REQ_PARAM_STANDINGS);
return new GameHandler(game).handleStandings(session, standings, false);
} catch (Exception e) {
transaction.rollback();
e.printStackTrace();
return "error";
} finally {
session.close();
}
}
private String handleStatus(HttpServletRequest request) {
String statusString = request.getParameter(Rest.REQ_PARAM_STATUS);
int gameId = getGameId(request);
log.info(String.format("Received %s message from game: %s", statusString, gameId));
Session session = HibernateUtil.getSession();
Transaction transaction = session.beginTransaction();
try {
Query query = session.createQuery(Constants.HQL.GET_GAME_BY_ID);
query.setInteger("gameId", gameId);
Game game = (Game) query.uniqueResult();
if (game == null) {
log.warn(
String.format(
"Trying to set status %s on non-existing " + "game : %s", statusString, gameId));
return "error";
}
new GameHandler(game).handleStatus(session, statusString);
transaction.commit();
} catch (Exception e) {
transaction.rollback();
e.printStackTrace();
return "error";
} finally {
session.close();
}
String gameLength = request.getParameter(Rest.REQ_PARAM_GAMELENGTH);
if (gameLength != null && transaction.wasCommitted()) {
log.info(String.format("Received gamelength %s for game %s", gameLength, gameId));
MemStore.addGameLength(gameId, gameLength);
}
return "success";
}
/** Handle 'POST' to serverInterface.jsp, this is an end-of-game message */
private String handlePOST(HttpServletRequest request) {
if (!MemStore.checkMachineAllowed(request.getRemoteAddr())) {
return "error";
}
try {
String actionString = request.getParameter(Rest.REQ_PARAM_ACTION);
if (!actionString.equalsIgnoreCase(Rest.REQ_PARAM_GAMERESULTS)) {
log.debug("The message didn't have the right action-string!");
return "error";
}
int gameId = getGameId(request);
if (!(gameId > 0)) {
log.debug("The message didn't have a gameId!");
return "error";
}
Session session = HibernateUtil.getSession();
Transaction transaction = session.beginTransaction();
try {
Game game = (Game) session.get(Game.class, gameId);
String standings = request.getParameter(Rest.REQ_PARAM_MESSAGE);
return new GameHandler(game).handleStandings(session, standings, true);
} catch (Exception e) {
transaction.rollback();
e.printStackTrace();
return "error";
} finally {
session.close();
}
} catch (Exception e) {
log.error("Something went wrong with receiving the POST message!");
log.error(e.getMessage());
return "error";
}
}
/** Handle 'PUT' to serverInterface.jsp, either boot.xml or (Boot|Sim) log */
private String handlePUT(HttpServletRequest request) {
if (!MemStore.checkMachineAllowed(request.getRemoteAddr())) {
return "error";
}
try {
String fileName = request.getParameter(Rest.REQ_PARAM_FILENAME);
log.info("Received a file " + fileName);
String logLoc =
fileName.endsWith("boot.xml")
? properties.getProperty("bootLocation")
: properties.getProperty("logLocation");
String pathString = logLoc + fileName;
// Write to file
InputStream is = request.getInputStream();
FileOutputStream fos = new FileOutputStream(pathString);
byte buf[] = new byte[1024];
int letti;
while ((letti = is.read(buf)) > 0) {
fos.write(buf, 0, letti);
}
is.close();
fos.close();
// If sim-logs received, extract end-of-game standings
new ParserSimlog(pathString).run();
// Create softlinks to named versions
String gameName = request.getParameter(Rest.REQ_PARAM_GAMENAME);
createSoftLinks(fileName, logLoc, gameName);
} catch (Exception e) {
return "error";
}
return "success";
}
