private synchronized RaftResponseMessage handleExtendedMessages(RaftRequestMessage request){ if(request.getMessageType() == RaftMessageType.AddServerRequest){ return this.handleAddServerRequest(request); }else if(request.getMessageType() == RaftMessageType.RemoveServerRequest){ return this.handleRemoveServerRequest(request); }else if(request.getMessageType() == RaftMessageType.SyncLogRequest){ return this.handleLogSyncRequest(request); }else if(request.getMessageType() == RaftMessageType.JoinClusterRequest){ return this.handleJoinClusterRequest(request); }else if(request.getMessageType() == RaftMessageType.LeaveClusterRequest){ return this.handleLeaveClusterRequest(request); }else if(request.getMessageType() == RaftMessageType.InstallSnapshotRequest){ return this.handleInstallSnapshotRequest(request); }else{ this.logger.error("receive an unknown request %s, for safety, step down.", request.getMessageType().toString()); System.exit(-1); } return null; }
private synchronized RaftResponseMessage handleExtendedMessages(RaftRequestMessage request){ if(request.getMessageType() == RaftMessageType.AddServerRequest){ return this.handleAddServerRequest(request); }else if(request.getMessageType() == RaftMessageType.RemoveServerRequest){ return this.handleRemoveServerRequest(request); }else if(request.getMessageType() == RaftMessageType.SyncLogRequest){ return this.handleLogSyncRequest(request); }else if(request.getMessageType() == RaftMessageType.JoinClusterRequest){ return this.handleJoinClusterRequest(request); }else if(request.getMessageType() == RaftMessageType.LeaveClusterRequest){ return this.handleLeaveClusterRequest(request); }else if(request.getMessageType() == RaftMessageType.InstallSnapshotRequest){ return this.handleInstallSnapshotRequest(request); }else{ this.logger.error("receive an unknown request %s, for safety, step down.", request.getMessageType().toString()); this.stateMachine.exit(-1); } return null; }
private synchronized RaftResponseMessage handleExtendedMessages(RaftRequestMessage request){ if(request.getMessageType() == RaftMessageType.AddServerRequest){ return this.handleAddServerRequest(request); }else if(request.getMessageType() == RaftMessageType.RemoveServerRequest){ return this.handleRemoveServerRequest(request); }else if(request.getMessageType() == RaftMessageType.SyncLogRequest){ return this.handleLogSyncRequest(request); }else if(request.getMessageType() == RaftMessageType.JoinClusterRequest){ return this.handleJoinClusterRequest(request); }else if(request.getMessageType() == RaftMessageType.LeaveClusterRequest){ return this.handleLeaveClusterRequest(request); }else if(request.getMessageType() == RaftMessageType.InstallSnapshotRequest){ return this.handleInstallSnapshotRequest(request); }else{ this.logger.error("receive an unknown request %s, for safety, step down.", request.getMessageType().toString()); this.stateMachine.exit(-1); } return null; }
public CompletableFuture<RaftResponseMessage> SendRequest(RaftRequestMessage request){ boolean isAppendRequest = request.getMessageType() == RaftMessageType.AppendEntriesRequest || request.getMessageType() == RaftMessageType.InstallSnapshotRequest; return this.rpcClient.send(request) .thenComposeAsync((RaftResponseMessage response) -> { if(isAppendRequest){ this.setFree(); } this.resumeHeartbeatingSpeed(); return CompletableFuture.completedFuture(response); }, this.executor) .exceptionally((Throwable error) -> { if(isAppendRequest){ this.setFree(); } this.slowDownHeartbeating(); throw new RpcException(error, request); }); }
public CompletableFuture<RaftResponseMessage> SendRequest(RaftRequestMessage request){ boolean isAppendRequest = request.getMessageType() == RaftMessageType.AppendEntriesRequest || request.getMessageType() == RaftMessageType.InstallSnapshotRequest; return this.rpcClient.send(request) .thenComposeAsync((RaftResponseMessage response) -> { if(isAppendRequest){ this.setFree(); } this.resumeHeartbeatingSpeed(); return CompletableFuture.completedFuture(response); }, this.executor) .exceptionally((Throwable error) -> { if(isAppendRequest){ this.setFree(); } this.slowDownHeartbeating(); throw new RpcException(error, request); }); }
public CompletableFuture<RaftResponseMessage> SendRequest(RaftRequestMessage request){ boolean isAppendRequest = request.getMessageType() == RaftMessageType.AppendEntriesRequest || request.getMessageType() == RaftMessageType.InstallSnapshotRequest; return this.rpcClient.send(request) .thenComposeAsync((RaftResponseMessage response) -> { if(isAppendRequest){ this.setFree(); } this.resumeHeartbeatingSpeed(); return CompletableFuture.completedFuture(response); }, this.executor) .exceptionally((Throwable error) -> { if(isAppendRequest){ this.setFree(); } this.slowDownHeartbeating(); throw new RpcException(error, request); }); }
public static byte[] messageToBytes(RaftRequestMessage request){ LogEntry[] logEntries = request.getLogEntries(); int logSize = 0; List<byte[]> buffersForLogs = null; if(logEntries != null && logEntries.length > 0){ buffersForLogs = new ArrayList<byte[]>(logEntries.length); for(LogEntry logEntry : logEntries){ byte[] logData = logEntryToBytes(logEntry); logSize += logData.length; buffersForLogs.add(logData); } } ByteBuffer requestBuffer = ByteBuffer.allocate(RAFT_REQUEST_HEADER_SIZE + logSize); requestBuffer.put(request.getMessageType().toByte()); requestBuffer.put(intToBytes(request.getSource())); requestBuffer.put(intToBytes(request.getDestination())); requestBuffer.put(longToBytes(request.getTerm())); requestBuffer.put(longToBytes(request.getLastLogTerm())); requestBuffer.put(longToBytes(request.getLastLogIndex())); requestBuffer.put(longToBytes(request.getCommitIndex())); requestBuffer.put(intToBytes(logSize)); if(buffersForLogs != null){ for(byte[] logData : buffersForLogs){ requestBuffer.put(logData); } } return requestBuffer.array(); }
public static byte[] messageToBytes(RaftRequestMessage request){ LogEntry[] logEntries = request.getLogEntries(); int logSize = 0; List<byte[]> buffersForLogs = null; if(logEntries != null && logEntries.length > 0){ buffersForLogs = new ArrayList<byte[]>(logEntries.length); for(LogEntry logEntry : logEntries){ byte[] logData = logEntryToBytes(logEntry); logSize += logData.length; buffersForLogs.add(logData); } } ByteBuffer requestBuffer = ByteBuffer.allocate(RAFT_REQUEST_HEADER_SIZE + logSize); requestBuffer.put(request.getMessageType().toByte()); requestBuffer.put(intToBytes(request.getSource())); requestBuffer.put(intToBytes(request.getDestination())); requestBuffer.put(longToBytes(request.getTerm())); requestBuffer.put(longToBytes(request.getLastLogTerm())); requestBuffer.put(longToBytes(request.getLastLogIndex())); requestBuffer.put(longToBytes(request.getCommitIndex())); requestBuffer.put(intToBytes(logSize)); if(buffersForLogs != null){ for(byte[] logData : buffersForLogs){ requestBuffer.put(logData); } } return requestBuffer.array(); }
@Override public synchronized CompletableFuture<RaftResponseMessage> send(final RaftRequestMessage request) { this.logger.debug(String.format("trying to send message %s to server %d at endpoint %s", request.getMessageType().toString(), request.getDestination(), this.remote.toString())); CompletableFuture<RaftResponseMessage> result = new CompletableFuture<RaftResponseMessage>(); if(this.connection == null || !this.connection.isOpen()){ try{ this.connection = AsynchronousSocketChannel.open(this.channelGroup); this.connection.connect(this.remote, new AsyncTask<RaftRequestMessage>(request, result), handlerFrom((Void v, AsyncTask<RaftRequestMessage> task) -> { sendAndRead(task, false); })); }catch(Throwable error){ closeSocket(); result.completeExceptionally(error); } }else{ this.sendAndRead(new AsyncTask<RaftRequestMessage>(request, result), false); } return result; }
@Override public synchronized CompletableFuture<RaftResponseMessage> send(final RaftRequestMessage request) { this.logger.debug(String.format("trying to send message %s to server %d at endpoint %s", request.getMessageType().toString(), request.getDestination(), this.remote.toString())); CompletableFuture<RaftResponseMessage> result = new CompletableFuture<RaftResponseMessage>(); if(this.connection == null || !this.connection.isOpen()){ try{ this.connection = AsynchronousSocketChannel.open(this.channelGroup); this.connection.connect(this.remote, new AsyncTask<RaftRequestMessage>(request, result), handlerFrom((Void v, AsyncTask<RaftRequestMessage> task) -> { sendAndRead(task, false); })); }catch(Throwable error){ closeSocket(); result.completeExceptionally(error); } }else{ this.sendAndRead(new AsyncTask<RaftRequestMessage>(request, result), false); } return result; }
@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); }
this.logger.debug( "Receive a %s message from %d with LastLogIndex=%d, LastLogTerm=%d, EntriesLength=%d, CommitIndex=%d and Term=%d", request.getMessageType().toString(), request.getSource(), request.getLastLogIndex(), if(request.getMessageType() == RaftMessageType.AppendEntriesRequest){ response = this.handleAppendEntriesRequest(request); }else if(request.getMessageType() == RaftMessageType.RequestVoteRequest){ response = this.handleVoteRequest(request); }else if(request.getMessageType() == RaftMessageType.ClientRequest){ response = this.handleClientRequest(request); }else{
this.logger.debug("it's a rpc error, see if we need to retry"); final RaftRequestMessage request = rpcError.getRequest(); if(request.getMessageType() == RaftMessageType.SyncLogRequest || request.getMessageType() == RaftMessageType.JoinClusterRequest || request.getMessageType() == RaftMessageType.LeaveClusterRequest){ final PeerServer server = (request.getMessageType() == RaftMessageType.LeaveClusterRequest) ? this.peers.get(request.getDestination()) : this.serverToJoin; if(server != null){ if(server.getCurrentHeartbeatInterval() >= this.context.getRaftParameters().getMaxHeartbeatInterval()){ if(request.getMessageType() == RaftMessageType.LeaveClusterRequest){ this.logger.info("rpc failed again for the removing server (%d), will remove this server directly", server.getId());
this.logger.debug( "Receive a %s message from %d with LastLogIndex=%d, LastLogTerm=%d, EntriesLength=%d, CommitIndex=%d and Term=%d", request.getMessageType().toString(), request.getSource(), request.getLastLogIndex(), if(request.getMessageType() == RaftMessageType.AppendEntriesRequest){ response = this.handleAppendEntriesRequest(request); }else if(request.getMessageType() == RaftMessageType.RequestVoteRequest){ response = this.handleVoteRequest(request); }else if(request.getMessageType() == RaftMessageType.ClientRequest){ response = this.handleClientRequest(request); }else{
this.logger.debug("it's a rpc error, see if we need to retry"); final RaftRequestMessage request = rpcError.getRequest(); if(request.getMessageType() == RaftMessageType.SyncLogRequest || request.getMessageType() == RaftMessageType.JoinClusterRequest || request.getMessageType() == RaftMessageType.LeaveClusterRequest){ final PeerServer server = (request.getMessageType() == RaftMessageType.LeaveClusterRequest) ? this.peers.get(request.getDestination()) : this.serverToJoin; if(server != null){ if(server.getCurrentHeartbeatInterval() >= this.context.getRaftParameters().getMaxHeartbeatInterval()){ if(request.getMessageType() == RaftMessageType.LeaveClusterRequest){ this.logger.info("rpc failed again for the removing server (%d), will remove this server directly", server.getId());
this.logger.debug("it's a rpc error, see if we need to retry"); final RaftRequestMessage request = rpcError.getRequest(); if(request.getMessageType() == RaftMessageType.SyncLogRequest || request.getMessageType() == RaftMessageType.JoinClusterRequest || request.getMessageType() == RaftMessageType.LeaveClusterRequest){ final PeerServer server = (request.getMessageType() == RaftMessageType.LeaveClusterRequest) ? this.peers.get(request.getDestination()) : this.serverToJoin; if(server != null){ if(server.getCurrentHeartbeatInterval() >= this.context.getRaftParameters().getMaxHeartbeatInterval()){ if(request.getMessageType() == RaftMessageType.LeaveClusterRequest){ this.logger.info("rpc failed again for the removing server (%d), will remove this server directly", server.getId());
this.logger.debug( "Receive a %s message from %d with LastLogIndex=%d, LastLogTerm=%d, EntriesLength=%d, CommitIndex=%d and Term=%d", request.getMessageType().toString(), request.getSource(), request.getLastLogIndex(), if(request.getMessageType() == RaftMessageType.AppendEntriesRequest){ response = this.handleAppendEntriesRequest(request); }else if(request.getMessageType() == RaftMessageType.RequestVoteRequest){ response = this.handleVoteRequest(request); }else if(request.getMessageType() == RaftMessageType.ClientRequest){ response = this.handleClientRequest(request); }else{