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mage/Mage.Server/src/main/java/mage/server/UserManager.java
2020-11-12 20:12:49 +00:00

323 lines
12 KiB
Java

package mage.server;
import mage.server.User.UserState;
import mage.server.managers.IUserManager;
import mage.server.managers.ManagerFactory;
import mage.server.record.UserStats;
import mage.server.record.UserStatsRepository;
import mage.view.UserView;
import org.apache.log4j.Logger;
import java.util.*;
import java.util.concurrent.*;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
/**
* manages users - if a user is disconnected and 10 minutes have passed with no
* activity the user is removed
*
* @author BetaSteward_at_googlemail.com
*/
public class UserManager implements IUserManager {
private static final int SERVER_TIMEOUTS_USER_INFORM_OPPONENTS_ABOUT_DISCONNECT_AFTER_SECS = 30; // send to chat info about disconnection troubles, must be more than ping timeout
private static final int SERVER_TIMEOUTS_USER_DISCONNECT_FROM_SERVER_AFTER_SECS = 3 * 60; // removes from all games and chats too (can be seen in users list with disconnected status)
private static final int SERVER_TIMEOUTS_USER_REMOVE_FROM_SERVER_AFTER_SECS = 8 * 60; // removes from users list
private static final Logger logger = Logger.getLogger(UserManager.class);
protected final ScheduledExecutorService expireExecutor = Executors.newSingleThreadScheduledExecutor();
protected final ScheduledExecutorService userListExecutor = Executors.newSingleThreadScheduledExecutor();
private List<UserView> userInfoList = new ArrayList<>();
private final ManagerFactory managerFactory;
private final ReadWriteLock lock = new ReentrantReadWriteLock();
private final ConcurrentHashMap<UUID, User> users = new ConcurrentHashMap<>();
private ExecutorService USER_EXECUTOR;
public UserManager(ManagerFactory managerFactory) {
this.managerFactory = managerFactory;
}
public void init() {
USER_EXECUTOR = managerFactory.threadExecutor().getCallExecutor();
expireExecutor.scheduleAtFixedRate(this::checkExpired, 60, 60, TimeUnit.SECONDS);
userListExecutor.scheduleAtFixedRate(this::updateUserInfoList, 4, 4, TimeUnit.SECONDS);
}
@Override
public Optional<User> createUser(String userName, String host, AuthorizedUser authorizedUser) {
if (getUserByName(userName).isPresent()) {
return Optional.empty(); //user already exists
}
User user = new User(managerFactory, userName, host, authorizedUser);
final Lock w = lock.writeLock();
w.lock();
try {
users.put(user.getId(), user);
} finally {
w.unlock();
}
return Optional.of(user);
}
@Override
public Optional<User> getUser(UUID userId) {
if (!users.containsKey(userId)) {
//logger.warn(String.format("User with id %s could not be found", userId), new Throwable()); // TODO: remove after session freezes fixed
return Optional.empty();
} else {
return Optional.of(users.get(userId));
}
}
@Override
public Optional<User> getUserByName(String userName) {
final Lock r = lock.readLock();
r.lock();
try {
return users.values().stream().filter(user -> user.getName().equals(userName))
.findFirst();
} finally {
r.unlock();
}
}
@Override
public Collection<User> getUsers() {
List<User> userList = new ArrayList<>();
final Lock r = lock.readLock();
r.lock();
try {
userList.addAll(users.values());
} finally {
r.unlock();
}
return userList;
}
@Override
public boolean connectToSession(String sessionId, UUID userId) {
if (userId != null) {
User user = users.get(userId);
if (user != null) {
user.setSessionId(sessionId);
return true;
}
}
return false;
}
@Override
public void disconnect(UUID userId, DisconnectReason reason) {
Optional<User> user = getUser(userId);
if (user.isPresent()) {
user.get().setSessionId("");
if (reason == DisconnectReason.Disconnected) {
removeUserFromAllTablesAndChat(userId, reason);
user.get().setUserState(UserState.Offline);
}
}
}
@Override
public boolean isAdmin(UUID userId) {
if (userId != null) {
User user = users.get(userId);
if (user != null) {
return user.getName().equals("Admin");
}
}
return false;
}
@Override
public void removeUserFromAllTablesAndChat(final UUID userId, final DisconnectReason reason) {
if (userId != null) {
getUser(userId).ifPresent(user
-> USER_EXECUTOR.execute(
() -> {
try {
logger.info("USER REMOVE - " + user.getName() + " (" + reason.toString() + ") userId: " + userId + " [" + user.getGameInfo() + ']');
user.removeUserFromAllTables(reason);
managerFactory.chatManager().removeUser(user.getId(), reason);
logger.debug("USER REMOVE END - " + user.getName());
} catch (Exception ex) {
handleException(ex);
}
}
));
}
}
@Override
public void informUserOpponents(final UUID userId, final String message) {
if (userId != null) {
getUser(userId).ifPresent(user
-> USER_EXECUTOR.execute(
() -> {
try {
managerFactory.chatManager().sendMessageToUserChats(user.getId(), message);
} catch (Exception ex) {
handleException(ex);
}
}
));
}
}
@Override
public boolean extendUserSession(UUID userId, String pingInfo) {
if (userId != null) {
User user = users.get(userId);
if (user != null) {
user.updateLastActivity(pingInfo);
return true;
}
}
return false;
}
/**
* Is the connection lost for more than 3 minutes, the user will be set to
* offline status. The user will be removed in validity check after 8
* minutes of no activities
*/
private void checkExpired() {
try {
Calendar calendarInform = Calendar.getInstance();
calendarInform.add(Calendar.SECOND, -1 * SERVER_TIMEOUTS_USER_INFORM_OPPONENTS_ABOUT_DISCONNECT_AFTER_SECS);
Calendar calendarExp = Calendar.getInstance();
calendarExp.add(Calendar.SECOND, -1 * SERVER_TIMEOUTS_USER_DISCONNECT_FROM_SERVER_AFTER_SECS);
Calendar calendarRemove = Calendar.getInstance();
calendarRemove.add(Calendar.SECOND, -1 * SERVER_TIMEOUTS_USER_REMOVE_FROM_SERVER_AFTER_SECS);
List<User> toRemove = new ArrayList<>();
logger.debug("Start Check Expired");
List<User> userList = new ArrayList<>();
final Lock r = lock.readLock();
r.lock();
try {
userList.addAll(users.values());
} finally {
r.unlock();
}
for (User user : userList) {
try {
if (user.getUserState() != UserState.Offline
&& user.isExpired(calendarInform.getTime())) {
long secsInfo = (Calendar.getInstance().getTimeInMillis() - user.getLastActivity().getTime()) / 1000;
informUserOpponents(user.getId(), user.getName() + " got connection problem for " + secsInfo + " secs");
}
if (user.getUserState() == UserState.Offline) {
if (user.isExpired(calendarRemove.getTime())) {
// removes from users list
toRemove.add(user);
}
} else {
if (user.isExpired(calendarExp.getTime())) {
// set disconnected status and removes from all activities (tourney/tables/games/drafts/chats)
if (user.getUserState() == UserState.Connected) {
user.lostConnection();
disconnect(user.getId(), DisconnectReason.BecameInactive);
}
removeUserFromAllTablesAndChat(user.getId(), DisconnectReason.SessionExpired);
user.setUserState(UserState.Offline);
}
}
} catch (Exception ex) {
handleException(ex);
}
}
logger.debug("Users to remove " + toRemove.size());
final Lock w = lock.readLock();
w.lock();
try {
for (User user : toRemove) {
users.remove(user.getId());
}
} finally {
w.unlock();
}
logger.debug("End Check Expired");
} catch (Exception ex) {
handleException(ex);
}
}
/**
* This method recreated the user list that will be send to all clients
*/
private void updateUserInfoList() {
try {
List<UserView> newUserInfoList = new ArrayList<>();
for (User user : getUsers()) {
newUserInfoList.add(new UserView(
user.getName(),
user.getHost(),
user.getSessionId(),
user.getConnectionTime(),
user.getLastActivity(),
user.getGameInfo(),
user.getUserState().toString(),
user.getChatLockedUntil(),
user.getClientVersion(),
user.getEmail(),
user.getUserIdStr()
));
}
userInfoList = newUserInfoList;
} catch (Exception ex) {
handleException(ex);
}
}
@Override
public List<UserView> getUserInfoList() {
return userInfoList;
}
@Override
public void handleException(Exception ex) {
if (ex != null) {
logger.fatal("User manager exception ", ex);
if (ex.getStackTrace() != null) {
logger.fatal(ex.getStackTrace());
}
} else {
logger.fatal("User manager exception - null");
}
}
@Override
public String getUserHistory(String userName) {
Optional<User> user = getUserByName(userName);
if (user.isPresent()) {
return "History of user " + userName + " - " + user.get().getUserData().getHistory();
}
UserStats userStats = UserStatsRepository.instance.getUser(userName);
if (userStats != null) {
return "History of user " + userName + " - " + User.userStatsToHistory(userStats.getProto());
}
return "User " + userName + " not found";
}
@Override
public void updateUserHistory() {
USER_EXECUTOR.execute(() -> {
for (String updatedUser : UserStatsRepository.instance.updateUserStats()) {
getUserByName(updatedUser).ifPresent(User::resetUserStats);
}
});
}
}