@Override public Void call() throws Exception { self.logger.debug("retrying the request %s", request.getMessageType().toString()); server.SendRequest(request).whenCompleteAsync((RaftResponseMessage furtherResponse, Throwable furtherError) -> { self.handleExtendedResponse(furtherResponse, furtherError); }, self.context.getScheduledExecutor()); return null; }}, server.getCurrentHeartbeatInterval(), TimeUnit.MILLISECONDS); }
@Override public Void call() throws Exception { self.logger.debug("retrying the request %s", request.getMessageType().toString()); server.SendRequest(request).whenCompleteAsync((RaftResponseMessage furtherResponse, Throwable furtherError) -> { self.handleExtendedResponse(furtherResponse, furtherError); }, self.context.getScheduledExecutor()); return null; }}, server.getCurrentHeartbeatInterval(), TimeUnit.MILLISECONDS); }
@Override public Void call() throws Exception { self.logger.debug("retrying the request %s", request.getMessageType().toString()); server.SendRequest(request).whenCompleteAsync((RaftResponseMessage furtherResponse, Throwable furtherError) -> { self.handleExtendedResponse(furtherResponse, furtherError); }, self.context.getScheduledExecutor()); return null; }}, server.getCurrentHeartbeatInterval(), TimeUnit.MILLISECONDS); }
private boolean requestAppendEntries(PeerServer peer){ if(peer.makeBusy()){ peer.SendRequest(this.createAppendEntriesRequest(peer)) .whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { try{ handlePeerResponse(response, error); }catch(Throwable err){ this.logger.error("Uncaught exception %s", err.toString()); } }, this.context.getScheduledExecutor()); return true; } this.logger.debug("Server %d is busy, skip the request", peer.getId()); return false; }
private boolean requestAppendEntries(PeerServer peer){ if(peer.makeBusy()){ peer.SendRequest(this.createAppendEntriesRequest(peer)) .whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { try{ handlePeerResponse(response, error); }catch(Throwable err){ this.logger.error("Uncaught exception %s", err.toString()); } }, this.context.getScheduledExecutor()); return true; } this.logger.debug("Server %d is busy, skip the request", peer.getId()); return false; }
private boolean requestAppendEntries(PeerServer peer){ if(peer.makeBusy()){ peer.SendRequest(this.createAppendEntriesRequest(peer)) .whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { try{ handlePeerResponse(response, error); }catch(Throwable err){ this.logger.error("Uncaught exception %s", err.toString()); } }, this.context.getScheduledExecutor()); return true; } this.logger.debug("Server %d is busy, skip the request", peer.getId()); return false; }
private void requestVote(){ // vote for self this.logger.info("requestVote started with term %d", this.state.getTerm()); this.state.setVotedFor(this.id); this.context.getServerStateManager().persistState(this.state); this.votesGranted += 1; this.votedServers.add(this.id); // this is the only server? if(this.votesGranted > (this.peers.size() + 1) / 2){ this.electionCompleted = true; this.becomeLeader(); return; } for(PeerServer peer : this.peers.values()){ RaftRequestMessage request = new RaftRequestMessage(); request.setMessageType(RaftMessageType.RequestVoteRequest); request.setDestination(peer.getId()); request.setSource(this.id); request.setLastLogIndex(this.logStore.getFirstAvailableIndex() - 1); request.setLastLogTerm(this.termForLastLog(this.logStore.getFirstAvailableIndex() - 1)); request.setTerm(this.state.getTerm()); this.logger.debug("send %s to server %d with term %d", RaftMessageType.RequestVoteRequest.toString(), peer.getId(), this.state.getTerm()); peer.SendRequest(request).whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { handlePeerResponse(response, error); }, this.context.getScheduledExecutor()); } }
private void inviteServerToJoinCluster(){ RaftRequestMessage request = new RaftRequestMessage(); request.setCommitIndex(this.quickCommitIndex); request.setDestination(this.serverToJoin.getId()); request.setSource(this.id); request.setTerm(this.state.getTerm()); request.setMessageType(RaftMessageType.JoinClusterRequest); request.setLastLogIndex(this.logStore.getFirstAvailableIndex() - 1); request.setLogEntries(new LogEntry[] { new LogEntry(this.state.getTerm(), this.config.toBytes(), LogValueType.Configuration) }); this.serverToJoin.SendRequest(request).whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { this.handleExtendedResponse(response, error); }, this.context.getScheduledExecutor()); }
private void inviteServerToJoinCluster(){ RaftRequestMessage request = new RaftRequestMessage(); request.setCommitIndex(this.quickCommitIndex); request.setDestination(this.serverToJoin.getId()); request.setSource(this.id); request.setTerm(this.state.getTerm()); request.setMessageType(RaftMessageType.JoinClusterRequest); request.setLastLogIndex(this.logStore.getFirstAvailableIndex() - 1); request.setLogEntries(new LogEntry[] { new LogEntry(this.state.getTerm(), this.config.toBytes(), LogValueType.Configuration) }); this.serverToJoin.SendRequest(request).whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { this.handleExtendedResponse(response, error); }, this.context.getScheduledExecutor()); }
private void inviteServerToJoinCluster(){ RaftRequestMessage request = new RaftRequestMessage(); request.setCommitIndex(this.quickCommitIndex); request.setDestination(this.serverToJoin.getId()); request.setSource(this.id); request.setTerm(this.state.getTerm()); request.setMessageType(RaftMessageType.JoinClusterRequest); request.setLastLogIndex(this.logStore.getFirstAvailableIndex() - 1); request.setLogEntries(new LogEntry[] { new LogEntry(this.state.getTerm(), this.config.toBytes(), LogValueType.Configuration) }); this.serverToJoin.SendRequest(request).whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { this.handleExtendedResponse(response, error); }, this.context.getScheduledExecutor()); }
private void requestVote(){ // vote for self this.logger.info("requestVote started with term %d", this.state.getTerm()); this.state.setVotedFor(this.id); this.context.getServerStateManager().persistState(this.state); this.votesGranted += 1; this.votesResponded += 1; // this is the only server? if(this.votesGranted > (this.peers.size() + 1) / 2){ this.electionCompleted = true; this.becomeLeader(); return; } for(PeerServer peer : this.peers.values()){ RaftRequestMessage request = new RaftRequestMessage(); request.setMessageType(RaftMessageType.RequestVoteRequest); request.setDestination(peer.getId()); request.setSource(this.id); request.setLastLogIndex(this.logStore.getFirstAvailableIndex() - 1); request.setLastLogTerm(this.termForLastLog(this.logStore.getFirstAvailableIndex() - 1)); request.setTerm(this.state.getTerm()); this.logger.debug("send %s to server %d with term %d", RaftMessageType.RequestVoteRequest.toString(), peer.getId(), this.state.getTerm()); peer.SendRequest(request).whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { handlePeerResponse(response, error); }, this.context.getScheduledExecutor()); } }
private void requestVote(){ // vote for self this.logger.info("requestVote started with term %d", this.state.getTerm()); this.state.setVotedFor(this.id); this.context.getServerStateManager().persistState(this.state); this.votesGranted += 1; this.votesResponded += 1; // this is the only server? if(this.votesGranted > (this.peers.size() + 1) / 2){ this.electionCompleted = true; this.becomeLeader(); return; } for(PeerServer peer : this.peers.values()){ RaftRequestMessage request = new RaftRequestMessage(); request.setMessageType(RaftMessageType.RequestVoteRequest); request.setDestination(peer.getId()); request.setSource(this.id); request.setLastLogIndex(this.logStore.getFirstAvailableIndex() - 1); request.setLastLogTerm(this.termForLastLog(this.logStore.getFirstAvailableIndex() - 1)); request.setTerm(this.state.getTerm()); this.logger.debug("send %s to server %d with term %d", RaftMessageType.RequestVoteRequest.toString(), peer.getId(), this.state.getTerm()); peer.SendRequest(request).whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { handlePeerResponse(response, error); }, this.context.getScheduledExecutor()); } }
leaveClusterRequest.setMessageType(RaftMessageType.LeaveClusterRequest); leaveClusterRequest.setSource(this.id); peer.SendRequest(leaveClusterRequest).whenCompleteAsync((RaftResponseMessage peerResponse, Throwable error) -> { this.handleExtendedResponse(peerResponse, error); }, this.context.getScheduledExecutor());
leaveClusterRequest.setMessageType(RaftMessageType.LeaveClusterRequest); leaveClusterRequest.setSource(this.id); peer.SendRequest(leaveClusterRequest).whenCompleteAsync((RaftResponseMessage peerResponse, Throwable error) -> { this.handleExtendedResponse(peerResponse, error); }, this.context.getScheduledExecutor());
leaveClusterRequest.setMessageType(RaftMessageType.LeaveClusterRequest); leaveClusterRequest.setSource(this.id); peer.SendRequest(leaveClusterRequest).whenCompleteAsync((RaftResponseMessage peerResponse, Throwable error) -> { this.handleExtendedResponse(peerResponse, error); }, this.context.getScheduledExecutor());
this.serverToJoin.SendRequest(request).whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { this.handleExtendedResponse(response, error); }, this.context.getScheduledExecutor());
this.serverToJoin.SendRequest(request).whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { this.handleExtendedResponse(response, error); }, this.context.getScheduledExecutor());
this.serverToJoin.SendRequest(request).whenCompleteAsync((RaftResponseMessage response, Throwable error) -> { this.handleExtendedResponse(response, error); }, this.context.getScheduledExecutor());