/**
* Used whenever a player exits from the game. The most recent information stored for the player
* will be saved into the database and any ties with the server will be removed as well.
*/
public void removePlayerData() {
if (activeObjects.containsKey(Lobby.class)) {
LobbyManager.getInstance().removeUser(getActiveObject(Lobby.class), player.getID());
}
try {
player.getSaveTimer().finish();
PlayerDAO.updateLogout(player.getID());
} catch (SQLException ex) {
Log.println_e(ex.getMessage());
}
GameServer.getInstance().removeActivePlayer(player.getID());
ResponseExitGame responseExitGame = new ResponseExitGame();
responseExitGame.setUserID(player.getID());
NetworkManager.addResponseForAllOnlinePlayers(player.getID(), responseExitGame);
ResponseChat responseChat = new ResponseChat();
responseChat.setMessage("[" + player.getUsername() + "] has logged off.");
NetworkManager.addResponseForAllOnlinePlayers(player.getID(), responseChat);
ResponseGetPlayers responsePlayers = new ResponseGetPlayers();
responsePlayers.setPlayers(GameServer.getInstance().getActivePlayers());
NetworkManager.addResponseForAllOnlinePlayers(player.getID(), responsePlayers);
Log.printf("User '%s' has logged off.", player.getUsername());
}
/**
* Holds the main loop that processes incoming requests by first identifying its type, then
* interpret the following data in each determined request class. Queued up responses created from
* each request class will be sent after the request is finished processing.
*
* <p>The loop exits whenever the isPlaying flag is set to false. One of these occurrences is
* triggered by a timeout. A timeout occurs whenever no activity is picked up from the client such
* as being disconnected.
*/
@Override
public void run() {
long lastActivity = System.currentTimeMillis();
short requestCode = -1;
while (!isDone) {
try {
// Extract the size of the package from the data stream
short requestLength = DataReader.readShort(dataInputStream);
if (requestLength > 0) {
lastActivity = System.currentTimeMillis();
// Separate the remaining package from the data stream
byte[] buffer = new byte[requestLength];
inputStream.read(buffer, 0, requestLength);
DataInputStream dataInput = new DataInputStream(new ByteArrayInputStream(buffer));
// Extract the request code number
requestCode = DataReader.readShort(dataInput);
// Determine the type of request
GameRequest request = GameRequestTable.get(requestCode);
// If the request exists, process like following:
if (request != null) {
request.setGameClient(this);
// Pass input stream to the request object
request.setDataInputStream(dataInput);
// Parse the input stream
request.parse();
// Interpret the data
request.doBusiness();
try {
// Retrieve any responses created by the request object
for (GameResponse response : request.getResponses()) {
// Transform the response into bytes and pass it into the output stream
send(response);
}
} catch (IOException ex) {
Log.printf_e("Client %s connection lost", session_id);
isDone = true;
}
}
} else {
// If there was no activity for the last moments, exit loop
if ((System.currentTimeMillis() - lastActivity) / 1000 >= Constants.TIMEOUT_SECONDS) {
isDone = true;
}
}
} catch (Exception ex) {
Log.printf_e("Request [%d] Error:", requestCode);
Log.println_e(ex.getMessage());
Log.println_e("---");
ex.printStackTrace();
}
}
if (player != null) {
removePlayerData();
}
// Remove this GameClient from the server
GameServer.getInstance().deletePlayerThreadOutOfActiveThreads(session_id);
Log.printf("Client %s has ended", session_id);
}