void petabricks::DistributedGC::onNotify(int stage) {
if(stage == FLUSH_MSGS) {
remoteNotify(DO_SCAN);
}else if(stage == DO_SCAN) {
std::vector<EncodedPtr> response;
scan(response);
if(! response.empty() ) {
unlock();
send(&response[0], sizeof(EncodedPtr)*response.size());
lock();
}else{
remoteNotify(ABORT_GC);
finishup();
}
}else if(stage == ABORT_GC) {
finishup();
}else UNIMPLEMENTED();
}
/* This function is called periodically. It checks the immediate successor of the current node. */
void Node::stabilize()
{
XBT_DEBUG("Stabilizing node");
// get the predecessor of my immediate successor
int candidate_id = pred_id_;
int successor_id = fingers_[0];
if (successor_id != id_)
candidate_id = remoteGetPredecessor(successor_id);
// this node is a candidate to become my new successor
if (candidate_id != -1 && is_in_interval(candidate_id, id_ + 1, successor_id - 1)) {
setFinger(0, candidate_id);
}
if (successor_id != id_) {
remoteNotify(successor_id, id_);
}
}
void petabricks::DistributedGC::onCreated() {
host()->swapObjects(_objects, _gen);
remoteNotify(FLUSH_MSGS);
}
