protected synchronized void forceCancelMerge() { if(this.merge_id != null) cancelMerge(this.merge_id); }
public void run() { cancelMerge(my_merge_id); }
public void init() throws Exception { super.init(); merger.cancelMerge(null); }
/** * Get the view and digest and send back both (MergeData) in the form of a MERGE_RSP to the sender. * If a merge is already in progress, send back a MergeData with the merge_rejected field set to true. * @param sender The address of the merge leader * @param merge_id The merge ID * @param mbrs The set of members from which we expect responses. Guaranteed to be non-null */ public void handleMergeRequest(Address sender, MergeId merge_id, Collection<? extends Address> mbrs) { try { _handleMergeRequest(sender, merge_id, mbrs); } catch(Throwable t) { log.error("%s: failure handling the merge request: %s", gms.local_addr, t.getMessage()); cancelMerge(merge_id); sendMergeRejectedResponse(sender, merge_id); } }
public void handleMergeCancelled(MergeId merge_id) { try { gms.stopFlush(); } catch(Throwable t) { log.error(Util.getMessage("StopFlushFailed"), t.getMessage()); } log.trace("%s: merge %s is cancelled", gms.local_addr, merge_id); cancelMerge(merge_id); }
public void run() { // 1. Generate merge_id final MergeId new_merge_id=MergeId.create(gms.local_addr); final Collection<Address> coordsCopy=new ArrayList<>(coords.keySet()); long start=System.currentTimeMillis(); try { _run(new_merge_id, coordsCopy); // might remove members from coordsCopy } catch(Throwable ex) { if(ex instanceof Error || ex instanceof RuntimeException) log.warn(gms.local_addr + ": merge is cancelled", ex); else log.warn("%s: merge is cancelled: %s", gms.local_addr, ex.getMessage()); sendMergeCancelledMessage(coordsCopy, new_merge_id); cancelMerge(new_merge_id); // the message above cancels the merge, too, but this is a 2nd line of defense } finally { /* 5. if flush is in stack stop the flush for entire cluster [JGRP-700] - FLUSH: flushing should span merge */ if(gms.flushProtocolInStack) gms.stopFlush(); thread=null; } long diff=System.currentTimeMillis() - start; log.debug("%s: merge %s took %d ms", gms.local_addr, new_merge_id, diff); }
/** * If merge_id is not equal to this.merge_id then discard. Else cast the view/digest to all members of this group. */ public void handleMergeView(final MergeData data, final MergeId merge_id) { if(!matchMergeId(merge_id)) { log.trace("%s: merge_ids (mine: %s, received: %s) don't match; merge view %s is discarded", gms.local_addr, this.merge_id, merge_id, data.view.getViewId()); return; } // only send to our *current* members, if we have A and B being merged (we are B), then we would *not* // want to block on a VIEW_ACK from A because A doesn't see us in the pre-merge view yet and discards the view List<Address> expected_acks=gms.members.getMembers(); try { gms.castViewChangeAndSendJoinRsps(data.view, data.digest, expected_acks, null, null); // if we have flush in stack send ack back to merge coordinator if(gms.flushProtocolInStack) { //[JGRP-700] - FLUSH: flushing should span merge Message ack=new Message(data.getSender()).setFlag(Message.Flag.OOB, Message.Flag.INTERNAL) .putHeader(gms.getId(), new GMS.GmsHeader(GMS.GmsHeader.INSTALL_MERGE_VIEW_OK)); gms.getDownProtocol().down(ack); } } finally { cancelMerge(merge_id); } }
protected synchronized void forceCancelMerge() { if(this.merge_id != null) cancelMerge(this.merge_id); }
public void run() { cancelMerge(my_merge_id); }
public void init() throws Exception { super.init(); merger.cancelMerge(null); }
/** * Get the view and digest and send back both (MergeData) in the form of a MERGE_RSP to the sender. * If a merge is already in progress, send back a MergeData with the merge_rejected field set to true. * @param sender The address of the merge leader * @param merge_id The merge ID * @param mbrs The set of members from which we expect responses. Guaranteed to be non-null */ public void handleMergeRequest(Address sender, MergeId merge_id, Collection<? extends Address> mbrs) { try { _handleMergeRequest(sender, merge_id, mbrs); } catch(Throwable t) { log.error("%s: failure handling the merge request: %s", gms.local_addr, t.getMessage()); cancelMerge(merge_id); sendMergeRejectedResponse(sender, merge_id); } }
public void handleMergeCancelled(MergeId merge_id) { try { gms.stopFlush(); } catch(Throwable t) { log.error(Util.getMessage("StopFlushFailed"), t.getMessage()); } log.trace("%s: merge %s is cancelled", gms.local_addr, merge_id); cancelMerge(merge_id); }
public void run() { // 1. Generate merge_id final MergeId new_merge_id=MergeId.create(gms.local_addr); final Collection<Address> coordsCopy=new ArrayList<>(coords.keySet()); long start=System.currentTimeMillis(); try { _run(new_merge_id, coordsCopy); // might remove members from coordsCopy } catch(Throwable ex) { if(ex instanceof Error || ex instanceof RuntimeException) log.warn(gms.local_addr + ": merge is cancelled", ex); else log.warn("%s: merge is cancelled: %s", gms.local_addr, ex.getMessage()); sendMergeCancelledMessage(coordsCopy, new_merge_id); cancelMerge(new_merge_id); // the message above cancels the merge, too, but this is a 2nd line of defense } finally { /* 5. if flush is in stack stop the flush for entire cluster [JGRP-700] - FLUSH: flushing should span merge */ if(gms.flushProtocolInStack) gms.stopFlush(); thread=null; } long diff=System.currentTimeMillis() - start; log.debug("%s: merge %s took %d ms", gms.local_addr, new_merge_id, diff); }
/** * If merge_id is not equal to this.merge_id then discard. Else cast the view/digest to all members of this group. */ public void handleMergeView(final MergeData data, final MergeId merge_id) { if(!matchMergeId(merge_id)) { log.trace("%s: merge_ids (mine: %s, received: %s) don't match; merge view %s is discarded", gms.local_addr, this.merge_id, merge_id, data.view.getViewId()); return; } // only send to our *current* members, if we have A and B being merged (we are B), then we would *not* // want to block on a VIEW_ACK from A because A doesn't see us in the pre-merge view yet and discards the view List<Address> expected_acks=gms.members.getMembers(); try { gms.castViewChangeAndSendJoinRsps(data.view, data.digest, expected_acks, null, null); // if we have flush in stack send ack back to merge coordinator if(gms.flushProtocolInStack) { //[JGRP-700] - FLUSH: flushing should span merge Message ack=new Message(data.getSender()).setFlag(Message.Flag.OOB, Message.Flag.INTERNAL) .putHeader(gms.getId(), new GMS.GmsHeader(GMS.GmsHeader.INSTALL_MERGE_VIEW_OK)); gms.getDownProtocol().down(ack); } } finally { cancelMerge(merge_id); } }