Package com.alibaba.dubbo.common.status

Examples of com.alibaba.dubbo.common.status.Status

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public class ThreadPoolStatusChecker implements StatusChecker {

    public Status check() {
        Collection<ExchangeServer> servers = DubboProtocol.getDubboProtocol().getServers();
        if (servers == null || servers.size() == 0) {
            return new Status(Status.Level.UNKNOWN);
        }
        for (Server server : servers) {
            if (server instanceof HeaderExchangeServer) {
                HeaderExchangeServer exchanger = (HeaderExchangeServer) server;
                server = exchanger.getServer();
            }
            if (server instanceof AbstractPeer) {
              ChannelHandler handler = ((AbstractPeer)server).getDelegateHandler();
              if (handler instanceof WrappedChannelHandler) {
                    Executor executor = ((WrappedChannelHandler) handler).getExecutor();
                    if (executor instanceof ThreadPoolExecutor) {
                        ThreadPoolExecutor tp = (ThreadPoolExecutor)executor;
                        boolean ok = tp.getActiveCount() < tp.getMaximumPoolSize() - 1;
                        return new Status(ok ? Status.Level.OK : Status.Level.WARN,
                                "max:" + tp.getMaximumPoolSize()
                                + ",core:" + tp.getCorePoolSize()
                                + ",largest:" + tp.getLargestPoolSize()
                                + ",active:" + tp.getActiveCount()
                                + ",task:" + tp.getTaskCount());
                    }
                }
            }
        }
        return new Status(Status.Level.UNKNOWN);
    }
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    @SuppressWarnings("unchecked")
    public Status check() {
        ApplicationContext context = ServiceBean.getSpringContext();
        if (context == null) {
            return new Status(Status.Level.UNKNOWN);
        }
        Map<String, DataSource> dataSources = context.getBeansOfType(DataSource.class, false, false);
        if (dataSources == null || dataSources.size() == 0) {
            return new Status(Status.Level.UNKNOWN);
        }
        Status.Level level = Status.Level.OK;
        StringBuilder buf = new StringBuilder();
        for (Map.Entry<String, DataSource> entry : dataSources.entrySet()) {
            DataSource dataSource = entry.getValue();
            if (buf.length() > 0) {
                buf.append(", ");
            }
            buf.append(entry.getKey());
            try {
                Connection connection = dataSource.getConnection();
                try {
                    DatabaseMetaData metaData = connection.getMetaData();
                    ResultSet resultSet = metaData.getTypeInfo();
                    try {
                        if (! resultSet.next()) {
                            level = Status.Level.ERROR;
                        }
                    } finally {
                        resultSet.close();
                    }
                    buf.append(metaData.getURL());
                    buf.append("(");
                    buf.append(metaData.getDatabaseProductName());
                    buf.append("-");
                    buf.append(metaData.getDatabaseProductVersion());
                    buf.append(")");
                } finally {
                    connection.close();
                }
            } catch (Throwable e) {
                logger.warn(e.getMessage(), e);
                return new Status(level, e.getMessage());
            }
        }
        return new Status(level, buf.toString());
    }
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    private static final Logger logger = LoggerFactory.getLogger(SpringStatusChecker.class);

    public Status check() {
        ApplicationContext context = ServiceBean.getSpringContext();
        if (context == null) {
            return new Status(Status.Level.UNKNOWN);
        }
        Status.Level level = Status.Level.OK;
        if (context instanceof Lifecycle) {
            if (((Lifecycle)context).isRunning()) {
                level = Status.Level.OK;
            } else {
                level = Status.Level.ERROR;
            }
        } else {
            level = Status.Level.UNKNOWN;
        }
        StringBuilder buf = new StringBuilder();
        try {
            Class<?> cls = context.getClass();
            Method method = null;
            while (cls != null && method == null) {
                try {
                    method = cls.getDeclaredMethod("getConfigLocations", new Class<?>[0]);
                } catch (NoSuchMethodException t) {
                    cls = cls.getSuperclass();
                }
            }
            if (method != null) {
                if (! method.isAccessible()) {
                    method.setAccessible(true);
                }
                String[] configs = (String[]) method.invoke(context, new Object[0]);
                if (configs != null && configs.length > 0) {
                    for (String config : configs) {
                        if (buf.length() > 0) {
                            buf.append(",");
                        }
                        buf.append(config);
                    }
                }
            }
        } catch (Throwable t) {
            logger.warn(t.getMessage(), t);
        }
        return new Status(level, buf.toString());
    }
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                        + ", active:" + tp.getActiveCount()
                        + ", task:" + tp.getTaskCount()
                        + ", service port: " + port);
            }
        }
        return msg.length() == 0 ? new Status(Status.Level.UNKNOWN) : new Status(level, msg.toString());
    }
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public class ServerStatusChecker implements StatusChecker {

    public Status check() {
        Collection<ExchangeServer> servers = DubboProtocol.getDubboProtocol().getServers();
        if (servers == null || servers.size() == 0) {
            return new Status(Status.Level.UNKNOWN);
        }
        Status.Level level = Status.Level.OK;
        StringBuilder buf = new StringBuilder();
        for (ExchangeServer server : servers) {
            if (! server.isBound()) {
                level = Status.Level.ERROR;
                buf.setLength(0);
                buf.append(server.getLocalAddress());
                break;
            }
            if (buf.length() > 0) {
                buf.append(",");
            }
            buf.append(server.getLocalAddress());
            buf.append("(clients:");
            buf.append(server.getChannels().size());
            buf.append(")");
        }
        return new Status(level, buf.toString());
    }
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    public static Status getSummaryStatus(Map<String, Status> statuses) {
        Level level = Level.OK;
        StringBuilder msg = new StringBuilder();
        for (Map.Entry<String, Status> entry : statuses.entrySet()) {
            String key = entry.getKey();
            Status status = entry.getValue();
            Level l = status.getLevel();
            if (Level.ERROR.equals(l)) {
                level = Level.ERROR;
                if (msg.length() > 0) {
                    msg.append(",");
                }
                msg.append(key);
            } else if (Level.WARN.equals(l)) {
                if(! Level.ERROR.equals(level)) {
                    level = Level.WARN;
                }
                if (msg.length() > 0) {
                    msg.append(",");
                }
                msg.append(key);
            }
        }
        return new Status(level, msg.toString());
    }
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          load = (Double)method.invoke(operatingSystemMXBean, new Object[0]);
      } catch (Throwable e) {
          load = -1;
      }
      int cpu = operatingSystemMXBean.getAvailableProcessors();
        return new Status(load < 0 ? Status.Level.UNKNOWN : (load < cpu ? Status.Level.OK : Status.Level.WARN), "Load: " + load + " / CPU: " + cpu);
    }
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            }
        } catch (Throwable e) {
            logger.error(e.getMessage(), e);
            ok = false;
        }
        return new Status(! ok ? Status.Level.ERROR : (version < 5 ? Status.Level.WARN : Status.Level.OK), message);
    }
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        long maxMemory = runtime.maxMemory();
        boolean ok = (maxMemory - (totalMemory - freeMemory) > 2048); // 剩余空间小于2M报警
        String msg = "Max:" + (maxMemory / 1024 / 1024) + "M, Total:"
        + (totalMemory / 1024 / 1024) + "M, Free:" + (freeMemory / 1024 / 1024)
        + "M, Use:" + ((totalMemory / 1024 / 1024) - (freeMemory / 1024 / 1024)) + "M";
        return new Status(ok ? Status.Level.OK : Status.Level.WARN, msg);
    }
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          load = (Double)method.invoke(operatingSystemMXBean, new Object[0]);
      } catch (Throwable e) {
          load = -1;
      }
      int cpu = operatingSystemMXBean.getAvailableProcessors();
        return new Status(load < 0 ? Status.Level.UNKNOWN : (load < cpu ? Status.Level.OK : Status.Level.WARN), "Load: " + load + " / CPU: " + cpu);
    }
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Related Classes of com.alibaba.dubbo.common.status.Status

  • com.alibaba.dubbo.common.status.support.LoadStatusChecker
  • com.alibaba.dubbo.common.status.support.MemoryStatusChecker
  • com.alibaba.dubbo.common.status.support.StatusUtils
  • com.alibaba.dubbo.config.spring.status.DataSourceStatusChecker
  • com.alibaba.dubbo.config.spring.status.SpringStatusChecker
  • com.alibaba.dubbo.container.page.pages.StatusPageHandler
  • com.alibaba.dubbo.governance.status.DatabaseStatusChecker
  • com.alibaba.dubbo.governance.status.LoadStatusChecker
  • com.alibaba.dubbo.governance.status.MemoryStatusChecker
  • com.alibaba.dubbo.registry.common.status.DatabaseStatusChecker
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