Examples with View bftsmart.reconfiguration.views.View used on opensource projects

Example 11 with View

use of bftsmart.reconfiguration.views.View in project bftsmart by blockchain-jd-com.

the class LeaderConfirmationTask method generateRegencyPropose.

/**
 * 根据收集的全局的执政期清单，以当前视图为基准生成新的执政期提议；
 *
 * @return
 */
public synchronized LeaderRegencyPropose generateRegencyPropose() {
    int maxRegency = tomLayer.getSynchronizer().getLCManager().getLastReg();
    for (Map.Entry<Integer, LeaderRegencyView> entry : responsedRegencies.entrySet()) {
        int regency = entry.getValue().getRegency().getId();
        if (regency > maxRegency) {
            maxRegency = regency;
        }
    }
    int nextRegency = maxRegency + 1;
    View view = tomLayer.controller.getCurrentView();
    int sender = tomLayer.controller.getStaticConf().getProcessId();
    return LeaderRegencyPropose.chooseFromView(nextRegency, view, sender);
}

Example 12 with View

use of bftsmart.reconfiguration.views.View in project bftsmart by blockchain-jd-com.

the class LeaderTimeoutTask method waitStatusResposne.

/**
 * 等待超时状态查询的回复；
 */
private void waitStatusResposne() {
    try {
        // }
        if (tomLayer.getSynchronizer().getLCManager().isInProgress()) {
            // 已经在选举中了，先终止当前任务；
            cancelTask();
            return;
        }
        if (!HEART_BEAT_TIMER.isHeartBeatTimeout()) {
            // 已经不超时了，则终止当前任务；
            cancelTask();
            return;
        }
        // 等待应答结果
        // 状态不为空的情况下进行汇总，并且是同一个Sequence
        View currentView = tomLayer.controller.getCurrentView();
        int quorum = tomLayer.controller.getStaticConf().isBFT() ? currentView.computeBFT_QUORUM() : currentView.computeCFT_QUORUM();
        // 检查是否全局已经进入超时状态；
        LeaderRegencyStatus[] timeoutStatuses = leaderStatusContext.getTimeoutStatus();
        if (timeoutStatuses.length >= quorum) {
            // 超时数量已经超过法定数量；
            LOGGER.info("I am {}, receive more than f response for timeout, so I will start to LC !", tomLayer.controller.getStaticConf().getProcessId());
            // 表示可以触发领导者切换流程
            LeaderRegencyPropose regencyPropose = leaderStatusContext.generateRegencyPropose();
            tomLayer.requestsTimer.run_lc_protocol(regencyPropose);
            // 取消任务；
            cancelTask();
            return;
        }
        // 未达到全局超时的状态；
        // 检查是否全局的法定大多数节点存在一致的执政期；
        LeaderRegencyStatus[] greatestRegencyStatuses = leaderStatusContext.getGreatestRegencyStatus();
        if (greatestRegencyStatuses.length >= quorum) {
            // 全局大多数节点已经具备一致的执政期；当前节点跟上新的领导者；
            boolean leaderConsistency = true;
            int leaderId = greatestRegencyStatuses[0].getLeaderId();
            for (int i = 1; i < greatestRegencyStatuses.length; i++) {
                if (leaderId != greatestRegencyStatuses[i].getLeaderId()) {
                    // 出现相同的执政期但是领导者不同的情况；
                    // 此种情况先不做处理，有可能是其它节点处于不稳定状态；
                    // 继续等待到以后的机会；
                    leaderConsistency = false;
                }
            }
            if (leaderConsistency) {
                // 尝试跳跃到新的执政期；
                // 如果未能跳跃到新的执政期，则继续执行超时等待任务，等待以后的机会；
                LeaderRegency newRegency = greatestRegencyStatuses[0];
                if (tomLayer.getSynchronizer().getLCManager().tryJumpToRegency(newRegency)) {
                    tomLayer.getExecManager().setNewLeader(newRegency.getLeaderId());
                    // 完成任务；
                    cancelTask();
                    return;
                }
            }
        }
        // 则继续重复发送超时状态请求，并继续接收其它节点的回复，不断更新本地接收到全局的执政期状态；
        if (isTaskTimeout()) {
            // 更新自身的状态；
            setSelfStatus();
            // 发送超时状态请求；
            sendStatusRequest(leaderStatusContext.sequence);
            // 重置任务执行超时状态;
            // 控制重复发送超时状态请求的频率，只有每一次任务执行时间超时之后才重新发送；
            resetTaskTimeout();
        }
    } catch (Exception e) {
        // 处理错误；避免异常抛出后中断任务；
        LOGGER.info("Handle leader status response error !!!", e);
    }
}

Example 13 with View

use of bftsmart.reconfiguration.views.View in project bftsmart by blockchain-jd-com.

the class MessageHandler method processData.

@SuppressWarnings("unchecked")
public void processData(SystemMessage sm) {
    if (sm instanceof ConsensusMessage) {
        int myId = tomLayer.controller.getStaticConf().getProcessId();
        ConsensusMessage consMsg = (ConsensusMessage) sm;
        if (// 
        consMsg.getSender() == myId || // 
        (!tomLayer.controller.getStaticConf().isUseMACs()) || consMsg.authenticated) {
            acceptor.deliver(consMsg);
        } else if (consMsg.getType() == MessageFactory.ACCEPT && consMsg.getProof() != null) {
            // We are going to verify the MAC vector at the algorithm level
            HashMap<Integer, byte[]> macVector = (HashMap<Integer, byte[]>) consMsg.getProof();
            byte[] recvMAC = macVector.get(myId);
            ConsensusMessage cm = new ConsensusMessage(MessageFactory.ACCEPT, consMsg.getNumber(), consMsg.getEpoch(), consMsg.getSender(), consMsg.getValue());
            ByteArrayOutputStream bOut = new ByteArrayOutputStream(248);
            try {
                new ObjectOutputStream(bOut).writeObject(cm);
            } catch (IOException ex) {
                throw new IllegalStateException("Error occurred while serializing ConsensusMessage[" + cm.toString() + "]! --" + ex.getMessage(), ex);
            }
            byte[] data = bOut.toByteArray();
            // byte[] hash = tomLayer.computeHash(data);
            byte[] myMAC = null;
            MacMessageCodec<SystemMessage> msgCodec = tomLayer.getCommunication().getServersCommunication().getMessageCodec(consMsg.getSender());
            MacKey macKey = msgCodec.getMacKey();
            if (macKey != null) {
                myMAC = macKey.generateMac(data);
            }
            if (recvMAC != null && myMAC != null && Arrays.equals(recvMAC, myMAC))
                acceptor.deliver(consMsg);
            else {
                LOGGER.error("(MessageHandler.processData) WARNING: invalid MAC from {}", sm.getSender());
            }
        } else {
            LOGGER.error("(MessageHandler.processData) Discarding unauthenticated message from {}", sm.getSender());
        }
    } else if (sm instanceof HeartBeatMessage) {
        // 心跳消息
        tomLayer.heartBeatTimer.receiveHeartBeatMessage((HeartBeatMessage) sm);
    } else if (sm instanceof ViewMessage) {
        // 视图消息
        // 通过该消息可更新本地视图
        ViewMessage viewMessage = (ViewMessage) sm;
        int remoteId = viewMessage.getSender();
        View view = viewMessage.getView();
        if (view != null) {
            tomLayer.viewSyncTimer.updateView(remoteId, view);
        }
    } else if (sm instanceof LeaderRequestMessage) {
        // 获取Leader节点请求的消息
        tomLayer.heartBeatTimer.receiveLeaderRequestMessage((LeaderRequestMessage) sm);
    } else if (sm instanceof LeaderResponseMessage) {
        // 获取Leader节点请求的消息
        tomLayer.heartBeatTimer.receiveLeaderResponseMessage((LeaderResponseMessage) sm);
    } else if (sm instanceof LeaderStatusResponseMessage) {
        // 该处理顺序必须在前面，因为LeaderStatusResponseMessage继承自LeaderStatusRequestMessage
        tomLayer.heartBeatTimer.receiveLeaderStatusResponseMessage((LeaderStatusResponseMessage) sm);
    } else if (sm instanceof LeaderStatusRequestMessage) {
        tomLayer.heartBeatTimer.receiveLeaderStatusRequestMessage((LeaderStatusRequestMessage) sm);
    } else {
        if ((!tomLayer.controller.getStaticConf().isUseMACs()) || sm.authenticated) {
            /**
             * This is Joao's code, related to leader change
             */
            if (sm instanceof LCMessage) {
                LCMessage lcMsg = (LCMessage) sm;
                tomLayer.getSynchronizer().deliverTimeoutRequest(lcMsg);
            /**
             ***********************************************************
             */
            } else if (sm instanceof ForwardedMessage) {
                TOMMessage request = ((ForwardedMessage) sm).getRequest();
                tomLayer.requestReceived(request);
            /**
             * This is Joao's code, to handle state transfer
             */
            } else if (sm instanceof SMMessage) {
                SMMessage smsg = (SMMessage) sm;
                LOGGER.debug("I am {}, receive SMMessage[{}], type = {} !", tomLayer.controller.getStaticConf().getProcessId(), smsg.getSender(), smsg.getType());
                switch(smsg.getType()) {
                    case TOMUtil.SM_REQUEST:
                        tomLayer.getStateManager().SMRequestDeliver(smsg, tomLayer.controller.getStaticConf().isBFT());
                        break;
                    case TOMUtil.SM_REPLY:
                        tomLayer.getStateManager().SMReplyDeliver(smsg, tomLayer.controller.getStaticConf().isBFT());
                        break;
                    case TOMUtil.SM_ASK_INITIAL:
                        tomLayer.getStateManager().currentConsensusIdAsked(smsg.getSender(), smsg.getView().getId());
                        break;
                    case TOMUtil.SM_REPLY_INITIAL:
                        tomLayer.getStateManager().currentConsensusIdReceived(smsg);
                        break;
                    default:
                        tomLayer.getStateManager().stateTimeout();
                        break;
                }
            /**
             ***************************************************************
             */
            } else if (sm instanceof StandardTRMessage) {
                StandardTRMessage trMessage = (StandardTRMessage) sm;
                LOGGER.info("I am {}, receive StandardTRMessage[{}], type = {} !", tomLayer.controller.getStaticConf().getProcessId(), trMessage.getSender(), trMessage.getType());
                switch(trMessage.getType()) {
                    case TOMUtil.SM_TRANSACTION_REPLAY_REQUEST_INFO:
                        tomLayer.getStateManager().transactionReplayAsked(trMessage.sender, trMessage.getTarget(), trMessage.getStartCid(), trMessage.getEndCid());
                        break;
                    case TOMUtil.SM_TRANSACTION_REPLAY_REPLY_INFO:
                        tomLayer.getStateManager().transactionReplayReplyDeliver(trMessage);
                        break;
                    default:
                        break;
                }
            } else {
                LOGGER.error("UNKNOWN MESSAGE TYPE: {}", sm);
            }
        } else {
            LOGGER.error("(MessageHandler.processData) Discarding unauthenticated message from {}", sm.getSender());
        }
    }
}

Example 14 with View

use of bftsmart.reconfiguration.views.View in project jdchain-core by blockchain-jd-com.

the class BftsmartNodeServer method initConfig.

protected void initConfig(int id, Properties systemsConfig, HostsConfig hostConfig) {
    HostsConfig outerHostConfig = BinarySerializeUtils.deserialize(BinarySerializeUtils.serialize(hostConfig));
    Properties sysConfClone = (Properties) systemsConfig.clone();
    int port = hostConfig.getPort(id);
    boolean isSecure = hostConfig.isSecure(id);
    // hostConfig.add(id, DEFAULT_BINDING_HOST, port);
    // if peer-startup.sh set up the -DhostIp=xxx, then get it;
    String preHostPort = System.getProperty("hostPort");
    if (!StringUtils.isEmpty(preHostPort)) {
        port = NumberUtils.parseNumber(preHostPort, Integer.class);
        LOGGER.info("###peer-startup.sh###,set up the -DhostPort=" + port);
    }
    int monitorPort = RuntimeConstant.getMonitorPort();
    boolean monitorSecure = RuntimeConstant.isMonitorSecure();
    String preHostIp = System.getProperty("hostIp");
    if (!StringUtils.isEmpty(preHostIp)) {
        hostConfig.add(id, preHostIp, port, monitorPort, isSecure, monitorSecure);
        LOGGER.info("###peer-startup.sh###,set up the -DhostIp=" + preHostIp);
        LOGGER.info("###peer-startup.sh###,isSecure=" + isSecure);
    }
    // 调整视图中的本节点端口号
    consensusAddresses.get(id).setMonitorPort(monitorPort);
    consensusAddresses.get(id).setMonitorSecure(monitorSecure);
    this.tomConfig = new TOMConfiguration(id, systemsConfig, hostConfig, outerHostConfig);
    Collection<NodeNetwork> nodeNetworks = consensusAddresses.values();
    NodeNetwork[] nodeNetworksArray = new NodeNetwork[nodeNetworks.size()];
    // 保证处理器ID与共识端口一致性
    int[] init_view = new int[consensusAddresses.size()];
    int i = 0;
    for (int proid : consensusAddresses.keySet()) {
        init_view[i++] = proid;
    }
    this.latestView = new View(setting.getViewId(), init_view, tomConfig.getF(), nodeNetworks.toArray(nodeNetworksArray));
    LOGGER.info("[initConfig] latestview = {}", this.latestView);
    this.outerTomConfig = new TOMConfiguration(id, sysConfClone, outerHostConfig);
}

Example 15 with View

use of bftsmart.reconfiguration.views.View in project jdchain-core by blockchain-jd-com.

the class BftsmartPeerProxyFactory method create.

@Override
public AsynchServiceProxy create() throws Exception {
    BftsmartTopology topology = BinarySerializeUtils.deserialize(bftsmartClientSettings.getTopology());
    View view = topology.getView();
    if (view == null) {
        throw new IllegalStateException("No topology view in the bftsmart client settings!");
    }
    MemoryBasedViewStorage viewStorage = new MemoryBasedViewStorage(view);
    TOMConfiguration tomConfiguration = BinarySerializeUtils.deserialize(bftsmartClientSettings.getTomConfig());
    // every proxy client has unique id;
    int processId = allocateId();
    tomConfiguration.setProcessId(processId);
    AsynchServiceProxy peerProxy = new AsynchServiceProxy(tomConfiguration, viewStorage, bftsmartClientSettings.getSSLSecurity());
    if (LOGGER.isInfoEnabled()) {
        // 打印view
        int[] processes = view.getProcesses();
        NodeNetwork[] addresses = new NodeNetwork[processes.length];
        for (int i = 0; i < addresses.length; i++) {
            addresses[i] = view.getAddress(processes[i]);
        }
        LOGGER.info("Creating pooled bftsmart client ... [PooledClientID={}] [ViewID={}] [ViewTopology={}] [Peers={}]", processId, view.getId(), Arrays.toString(processes), Arrays.toString(addresses));
    }
    return peerProxy;
}