public Message onExceptionThrown(Message message, InetSocketAddress destinationAddress) {
boolean gsAvailable = checkBFFailures(destinationAddress);
MessageRequest request = (MessageRequest) message.get("request");
switch (request) {
case disconnectedBF:
if (gsAvailable) return message;
break;
case disconnectedUnit:
if (gsAvailable) return message;
break;
case gameState:
Unit u;
synchronized (this) {
u = units.remove(destinationAddress);
map[u.getX()][u.getY()] = null;
}
Integer[] tempClock = vClock.incrementClock(id);
LogEntry entry =
new LogEntry(tempClock, LogEntryType.DISCONNECTED_UNIT, destinationAddress);
logger.writeAsText(entry, true);
Message replyMessage = new Message();
replyMessage.put("request", MessageRequest.disconnectedUnit);
replyMessage.put("unitAddress", destinationAddress);
replyMessage.put("vclock", tempClock);
synchronizeWithAllBF(replyMessage);
break;
default:
break;
}
return null;
}
private Message processEvent(Message msg, ActionInfo removeAction) {
Unit unit = null;
LogEntry entry;
Integer[] tempClock;
switch ((MessageRequest) removeAction.message.get("request")) {
case spawnUnit:
{
// System.out.println("BATTLE FIELD:Spawn" + port);
// System.out.println(battlefields.toString());
Boolean succeded =
this.spawnUnit(
(Unit) msg.get("unit"),
(InetSocketAddress) msg.get("address"),
(Integer) msg.get("x"),
(Integer) msg.get("y"));
if (succeded) {
units.put((InetSocketAddress) msg.get("address"), (Unit) msg.get("unit"));
}
Message reply = new Message();
reply.put("request", MessageRequest.spawnAck);
reply.put("succeded", succeded);
reply.put("gamestate", map);
// Puts position of the unit we are sending to in the map we are sending
Unit u = units.get((InetSocketAddress) msg.get("address"));
reply.put("unit", u);
tempClock = ((Integer[]) msg.get("vclock")).clone();
entry =
new LogEntry(
tempClock,
LogEntryType.SPAWN,
(InetSocketAddress) msg.get("address"),
new Position((Integer) msg.get("x"), (Integer) msg.get("y")));
logger.writeAsText(entry, true);
if (!((InetSocketAddress) msg.get("serverAddress"))
.equals(new InetSocketAddress(url, port))) {
// System.out.println("<"+url+":"+port+"> Spawn will be processed -->
// "+toStringArray(tempClock));
vClock.updateClock(tempClock);
}
return reply;
}
case dealDamage:
{
int x = (Integer) msg.get("x");
int y = (Integer) msg.get("y");
unit = this.getUnit(x, y);
if (unit != null) {
unit.adjustHitPoints(-(Integer) msg.get("damage"));
Unit attackingUnit = (Unit) msg.get("unit");
// System.out.println(attackingUnit);
entry =
new LogEntry(
(Integer[]) msg.get("vclock"),
LogEntryType.ATACK,
(InetSocketAddress) msg.get("address"),
new Position(attackingUnit.getX(), attackingUnit.getY()),
new Position(x, y),
(Integer) msg.get("damage"));
logger.writeAsText(entry, true);
if (!((InetSocketAddress) msg.get("serverAddress"))
.equals(new InetSocketAddress(url, port))) {
vClock.updateClock((Integer[]) msg.get("vclock"));
}
if (unit.getHitPoints() <= 0) {
removeUnit(x, y);
// Log remove unit
// Should we log with same clock as deal damage that cause it?
entry =
new LogEntry(
vClock.getClock(),
LogEntryType.REMOVE,
(InetSocketAddress) msg.get("address"),
new Position((Integer) msg.get("x"), (Integer) msg.get("y")));
logger.writeAsText(entry, true);
}
}
break;
}
case healDamage:
{
int x = (Integer) msg.get("x");
int y = (Integer) msg.get("y");
unit = this.getUnit(x, y);
if (unit != null) unit.adjustHitPoints((Integer) msg.get("healed"));
/* Copy the id of the message so that the unit knows
* what message the battlefield responded to.
*/
Unit attackingUnit = (Unit) msg.get("unit");
entry =
new LogEntry(
(Integer[]) msg.get("vclock"),
LogEntryType.HEAL,
(InetSocketAddress) msg.get("address"),
new Position(attackingUnit.getX(), attackingUnit.getY()),
new Position((Integer) msg.get("x"), (Integer) msg.get("y")),
(Integer) msg.get("healed"));
logger.writeAsText(entry, true);
if (!((InetSocketAddress) msg.get("serverAddress"))
.equals(new InetSocketAddress(url, port))) {
vClock.updateClock((Integer[]) msg.get("vclock"));
}
break;
}
case moveUnit:
{
// System.out.println("BATTLEFIELD: MOVEUNIT");
Unit tempUnit = units.get((InetSocketAddress) msg.get("address"));
int x = tempUnit.getX();
int y = tempUnit.getY();
/*
if(temptUnit == null) {
System.out.println("NULL");
}*/
boolean move = this.moveUnit(tempUnit, (Integer) msg.get("x"), (Integer) msg.get("y"));
if (!move) System.out.println("MOVE CANCELED");
entry =
new LogEntry(
(Integer[]) msg.get("vclock"),
LogEntryType.MOVE,
(InetSocketAddress) msg.get("address"),
new Position(x, y),
new Position((Integer) msg.get("x"), (Integer) msg.get("y")));
logger.writeAsText(entry, true);
if (!((InetSocketAddress) msg.get("serverAddress"))
.equals(new InetSocketAddress(url, port))) {
vClock.updateClock((Integer[]) msg.get("vclock"));
}
/* Copy the id of the message so that the unit knows
* what message the battlefield responded to.
*/
break;
}
default:
break;
}
return null;
}
public Message onMessageReceived(Message msg) {
// System.out.println("MESSAGE RECEIVED:" + msg.get("request"));
// System.out.println("MESSAGE RECEIVED " + (MessageRequest)msg.get("request"));
if ((Boolean) msg.get("sync") != null && (Boolean) msg.get("sync") == true) {
// System.out.println("SYNC MESSAGE RECEIVED " + (MessageRequest)msg.get("request"));
processSyncMessage(msg);
} else {
MessageRequest request = (MessageRequest) msg.get("request");
Message reply = null;
String origin = (String) msg.get("origin");
Unit unit;
Integer[] tempClock;
Message replyMessage;
LogEntry entry;
switch (request) {
case disconnectedUnit:
Unit u;
synchronized (this) {
u = units.remove((InetSocketAddress) msg.get("unitAddress"));
if (u != null) map[u.getX()][u.getY()] = null;
}
tempClock = ((Integer[]) msg.get("vclock")).clone();
entry =
new LogEntry(
tempClock,
LogEntryType.DISCONNECTED_UNIT,
(InetSocketAddress) msg.get("serverAddress"));
logger.writeAsText(entry, true);
replyMessage = new Message();
replyMessage.put("request", MessageRequest.disconnectedUnitAck);
replyMessage.put("serverAddress", new InetSocketAddress(url, port));
SynchronizedClientSocket client =
new SynchronizedClientSocket(
replyMessage, (InetSocketAddress) msg.get("serverAddress"), this);
client.sendMessage();
break;
case disconnectedBF:
tempClock = ((Integer[]) msg.get("vclock")).clone();
entry =
new LogEntry(
tempClock,
LogEntryType.DISCONNECTED_BF,
(InetSocketAddress) msg.get("serverAddress"));
logger.writeAsText(entry, true);
replyMessage = new Message();
replyMessage.put("request", MessageRequest.disconnectedBFAck);
replyMessage.put("serverAddress", new InetSocketAddress(url, port));
SynchronizedClientSocket syncClient =
new SynchronizedClientSocket(
replyMessage, (InetSocketAddress) msg.get("serverAddress"), this);
syncClient.sendMessage();
break;
case spawnUnit:
case moveUnit:
case dealDamage:
case healDamage:
syncActionWithBattlefields(msg);
break;
case requestBFList:
{
reply = new Message();
reply.put("request", MessageRequest.replyBFList);
battlefields.put((InetSocketAddress) msg.get("bfAddress"), 0);
reply.put("bfList", battlefields);
return reply;
}
case replyBFList:
{
HashMap<InetSocketAddress, Integer> bfList =
(HashMap<InetSocketAddress, Integer>) msg.get("bfList");
for (InetSocketAddress address : bfList.keySet()) {
battlefields.put(address, 0);
}
for (InetSocketAddress address : battlefields.keySet()) {
SynchronizedClientSocket clientSocket;
Message message = new Message();
message.put("request", MessageRequest.addBF);
message.put("bfAddress", new InetSocketAddress(url, port));
clientSocket = new SynchronizedClientSocket(message, address, this);
clientSocket.sendMessage();
}
// System.out.println("BATTLEFIELDS:"+ bfList.toString());
// reply = new Message();
// HashSet bfList = (HashSet<InetSocketAddress>)msg.get("bfList");
// int y = (Integer)msg.get("y");
// reply.put("id", msg.get("id"));
return null;
}
case addBF:
{
battlefields.put((InetSocketAddress) msg.get("bfAddress"), 0);
// System.out.println("ADD BF:"+ battlefields.toString());
return null;
}
// break;
// case removeUnit:
// this.removeUnit((Integer)msg.get("x"), (Integer)msg.get("y"));
// if(syncBF(msg)) return null;
case SyncActionResponse:
processResponseMessage(msg);
break;
case SyncActionConfirm:
return processConfirmMessage(msg);
}
}
return null;
// serverSocket.sendMessage(reply, origin);
/*
try {
if (reply != null)
serverSocket.sendMessage(reply, origin);
}
/*catch(IDNotAssignedException idnae) {
// Could happen if the target already logged out
}*/
}