public void handle(PeerMessage event) {
PeerAddress oldFriend;
PeerAddress sender = event.getMSPeerSource();
PeerAddress newFriend = event.getNewFriend();
// add the sender address to the list of friends
if (!friends.contains(sender)) {
if (friends.size() == viewSize) {
oldFriend = friends.get(rand.nextInt(viewSize));
friends.remove(oldFriend);
fdUnregister(oldFriend);
Snapshot.removeFriend(serverPeerAddress, oldFriend);
}
friends.addElement(sender);
fdRegister(sender);
Snapshot.addFriend(serverPeerAddress, sender);
}
// add the received new friend from the sender to the list of friends
if (!friends.contains(newFriend) && !serverPeerAddress.equals(newFriend)) {
if (friends.size() == viewSize) {
oldFriend = friends.get(rand.nextInt(viewSize));
friends.remove(oldFriend);
fdUnregister(oldFriend);
Snapshot.removeFriend(serverPeerAddress, oldFriend);
}
friends.addElement(newFriend);
fdRegister(newFriend);
Snapshot.addFriend(serverPeerAddress, newFriend);
}
}
public void handle(BootstrapResponse event) {
if (!bootstrapped) {
bootstrapped = true;
PeerAddress peer;
Set<PeerEntry> somePeers = event.getPeers();
for (PeerEntry peerEntry : somePeers) {
peer = (PeerAddress) peerEntry.getOverlayAddress();
friends.addElement(peer);
fdRegister(peer);
}
trigger(
new BootstrapCompleted("Lab0", serverPeerAddress),
bootstrap.getPositive(P2pBootstrap.class));
Snapshot.addFriends(serverPeerAddress, friends);
SchedulePeriodicTimeout spt = new SchedulePeriodicTimeout(msgPeriod, msgPeriod);
spt.setTimeoutEvent(new SendMessage(spt));
trigger(spt, timer);
}
}
public void handle(StartServer event) {
Snapshot.addPeer(serverPeerAddress);
BootstrapRequest request = new BootstrapRequest("Lab0", viewSize);
trigger(request, bootstrap.getPositive(P2pBootstrap.class));
}
