@Override
public void handle(ThinkLeaderMessage event) {
if (!electing) {
electing = true;
leader = null;
ArrayList<PeerAddress> electionGroup = event.getElectionGroup();
System.err.println(
"[ELECTION::" + self.getPeerId() + "] I got a THINK_LEADER message!");
if (self.getPeerId().equals(minimumUtility(electionGroup))) {
System.err.println(
"[ELECTION::"
+ self.getPeerId()
+ "] I am eligible to start the election! ("
+ minimumUtility(electionGroup)
+ ")");
for (PeerAddress peer : electionGroup) {
if (!self.getPeerId().equals(peer.getPeerId())) {
trigger(new ElectionMessage(self, peer, electionGroup), networkPort);
}
}
Stats.registerElectionMessages(electionGroup.size());
ScheduleTimeout st = new ScheduleTimeout(JRConfig.BULLY_TIMEOUT);
st.setTimeoutEvent(new ElectionTimeout(st, electionGroup));
timeoutId = st.getTimeoutEvent().getTimeoutId();
trigger(st, timerPort);
}
}
}
@Override
public void handle(LeaderDeadMessage event) {
electing = true;
if (tmanPartners.contains(leader)) {
tmanPartners.remove(leader);
}
leader = null;
CancelTimeout ct = new CancelTimeout(heartbeatTimeoutId);
trigger(ct, timerPort);
ArrayList<PeerAddress> electionGroup = event.getElectionGroup();
System.err.println("[ELECTION::" + self.getPeerId() + "] I got a LEADER_DEAD message!");
if (self.getPeerId().equals(minimumUtility(electionGroup))) {
System.err.println(
"[ELECTION::"
+ self.getPeerId()
+ "] I am eligible to start the election! ("
+ minimumUtility(electionGroup)
+ ")");
for (PeerAddress peer : electionGroup) {
if (!self.getPeerId().equals(peer.getPeerId())) {
trigger(new ElectionMessage(self, peer, electionGroup), networkPort);
}
}
Stats.registerElectionMessages(electionGroup.size());
ScheduleTimeout st = new ScheduleTimeout(JRConfig.BULLY_TIMEOUT);
st.setTimeoutEvent(new ElectionTimeout(st, electionGroup));
timeoutId = st.getTimeoutEvent().getTimeoutId();
trigger(st, timerPort);
}
}
@Override
public void handle(HeartbeatTimeout event) {
if (leader != null) {
// System.err.println("[HEARTBEAT::" + self.getPeerId() + "] I am sending
// a heartbeat to the leader (" + leader.getPeerId() + ") ");
trigger(new HeartbeatLeader(self, leader), networkPort);
ScheduleTimeout st = new ScheduleTimeout(JRConfig.HEARTBEAT_TIMEOUT);
st.setTimeoutEvent(new HeartbeatLeaderTimeout(st));
heartbeatTimeoutId = st.getTimeoutEvent().getTimeoutId();
trigger(st, timerPort);
}
}
/*
* Ask for leader and best peers to a peer and launch a timeout in case of the peer is offline
*/
void askInfos(Address peer) {
// A request is currently pending
if (currentRequests.containsKey(peer)) {
return;
}
trigger(new LeaderMsg.AskLeaderInfos(self, peer, oldLeader), networkPort);
ScheduleTimeout st = new ScheduleTimeout(config_timeout_info);
st.setTimeoutEvent(new LeaderInfosTimeout(st));
currentRequests.put(peer, st.getTimeoutEvent().getTimeoutId());
trigger(st, timerPort);
}
@Override
public void handle(OKMessage event) {
if (electing) {
System.err.println(
"[ELECTION::"
+ self.getPeerId()
+ "] I got an OK message from "
+ event.getPeerSource().getPeerId()
+ "!");
CancelTimeout ct = new CancelTimeout(timeoutId);
trigger(ct, timerPort);
ScheduleTimeout st = new ScheduleTimeout(2 * JRConfig.BULLY_TIMEOUT);
st.setTimeoutEvent(new CoordinatorTimeout(st, event.getElectionGroup()));
timeoutId = st.getTimeoutEvent().getTimeoutId();
trigger(st, timerPort);
}
}
@Override
public void handle(CoordinatorTimeout event) {
if (electing) {
System.err.println("[ELECTION::" + self.getPeerId() + "] I got a coordinator timeout!");
ArrayList<PeerAddress> electionGroup = event.getElectionGroup();
for (PeerAddress peer : electionGroup) {
if (self.getPeerId().compareTo(peer.getPeerId()) == -1) {
trigger(new ElectionMessage(self, peer, electionGroup), networkPort);
Stats.registerElectionMessage();
ScheduleTimeout st = new ScheduleTimeout(JRConfig.BULLY_TIMEOUT);
st.setTimeoutEvent(new ElectionTimeout(st, electionGroup));
timeoutId = st.getTimeoutEvent().getTimeoutId();
trigger(st, timerPort);
}
}
}
}
@Override
public void handle(ElectionMessage event) {
if (electing) {
boolean sentElectionMessage = false;
System.err.println(
"[ELECTION::"
+ self.getPeerId()
+ "] I got an election message from "
+ event.getPeerSource().getPeerId()
+ "!");
BigInteger sender = event.getPeerSource().getPeerId();
if (sender.compareTo(self.getPeerId()) == -1) {
trigger(
new OKMessage(self, event.getPeerSource(), event.getElectionGroup()),
networkPort);
Stats.registerElectionMessage();
ArrayList<PeerAddress> electionGroup = event.getElectionGroup();
for (PeerAddress peer : electionGroup) {
if (self.getPeerId().compareTo(peer.getPeerId()) == -1) {
sentElectionMessage = true;
trigger(new ElectionMessage(self, peer, electionGroup), networkPort);
Stats.registerElectionMessage();
ScheduleTimeout st = new ScheduleTimeout(JRConfig.BULLY_TIMEOUT);
st.setTimeoutEvent(new ElectionTimeout(st, electionGroup));
timeoutId = st.getTimeoutEvent().getTimeoutId();
trigger(st, timerPort);
}
}
if (!sentElectionMessage) {
for (PeerAddress peer : electionGroup) {
trigger(new CoordinatorMessage(self, peer, electionGroup), networkPort);
}
Stats.registerElectionMessages(electionGroup.size());
}
}
}
}