Package com.alibaba.dubbo.common.status

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

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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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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();
            }
            ChannelHandler handler = server.getChannelHandler();
            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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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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    @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) {
                    String dubboConfig = configs[0];
                    for (String config : configs) {
                        if (config.contains("dubbo")
                                || config.contains("provider")
                                || config.contains("server")) {
                            dubboConfig = config;
                            break;
                        }
                    }
                    int i = dubboConfig.lastIndexOf('/');
                    if (i > 0) {
                        dubboConfig = dubboConfig.substring(i + 1);
                    }
                    buf.append(dubboConfig);
                }
            }
        } catch (Throwable t) {
            logger.warn(t.getMessage(), t);
        }
        return new Status(level, buf.toString());
    }
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            List<List<String>> table = new ArrayList<List<String>>();
            Map<String, Status> statuses = new HashMap<String, Status>();
            if (ss != null && ss.size() > 0) {
                for (String s : ss) {
                    StatusChecker handler = ExtensionLoader.getExtensionLoader(StatusChecker.class).getExtension(s);
                    Status stat;
                    try {
                        stat = handler.check();
                    } catch (Throwable t) {
                        stat = new Status(Status.Level.ERROR, t.getMessage());
                    }
                    statuses.put(s, stat);
                    if (stat.getLevel() != null && stat.getLevel() != Status.Level.UNKNOWN) {
                        List<String> row = new ArrayList<String>();
                        row.add(s);
                        row.add(String.valueOf(stat.getLevel()));
                        row.add(stat.getMessage() == null ? "" : stat.getMessage());
                        table.add(row);
                    }
                }
            }
            Status stat= StatusUtils.getSummaryStatus(statuses);
            List<String> row = new ArrayList<String>();
            row.add("summary");
            row.add(String.valueOf(stat.getLevel()));
            row.add(stat.getMessage());
            table.add(row);
            return TelnetUtils.toTable(header, table);
        } else if (message.length() > 0) {
            return "Unsupported parameter " + message + " for status.";
        }
        String status = channel.getUrl().getParameter("status");
        Map<String, Status> statuses = new HashMap<String, Status>();
        if (status != null && status.length() > 0) {
            String[] ss = Constants.COMMA_SPLIT_PATTERN.split(status);
            for (String s : ss) {
                StatusChecker handler = ExtensionLoader.getExtensionLoader(StatusChecker.class).getExtension(s);
                Status stat;
                try {
                    stat = handler.check();
                } catch (Throwable t) {
                    stat = new Status(Status.Level.ERROR, t.getMessage());
                }
                statuses.put(s, stat);
            }
        }
        Status stat= StatusUtils.getSummaryStatus(statuses);
        return String.valueOf(stat.getLevel());
    }
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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 < 0 ? "" : "load:" + load + ",") + "cpu:" + cpu);
    }
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        long totalMemory = runtime.totalMemory();
        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,used:" + ((totalMemory / 1024 / 1024) - (freeMemory / 1024 / 1024)) + "M";
        return new Status(ok ? Status.Level.OK : Status.Level.WARN, msg);
    }
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public class RegistryStatusChecker implements StatusChecker {

    public Status check() {
        Collection<Registry> regsitries = AbstractRegistryFactory.getRegistries();
        if (regsitries == null || regsitries.size() == 0) {
            return new Status(Status.Level.UNKNOWN);
        }
        Status.Level level = Status.Level.OK;
        StringBuilder buf = new StringBuilder();
        for (Registry registry : regsitries) {
            if (buf.length() > 0) {
                buf.append(",");
            }
            buf.append(registry.getUrl().getAddress());
            if (! registry.isAvailable()) {
                level = Status.Level.ERROR;
                buf.append("(disconnected)");
            } else {
                buf.append("(connected)");
            }
        }
        return new Status(level, buf.toString());
    }
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        Map<String, Status> statuses = new HashMap<String, Status>();
        for (String name : names) {
            StatusChecker checker = ExtensionLoader.getExtensionLoader(StatusChecker.class).getExtension(name);
            List<String> row = new ArrayList<String>();
            row.add(name);
            Status status = checker.check();
            if (status != null && ! Status.Level.UNKNOWN.equals(status.getLevel())) {
                statuses.put(name, status);
                row.add(getLevelHtml(status.getLevel()));
                row.add(status.getMessage());
                rows.add(row);
            }
        }
        Status status = StatusUtils.getSummaryStatus(statuses);
        if ("status".equals(url.getPath())) {
            return new Page("", "", "", status.getLevel().toString());
        } else {
            List<String> row = new ArrayList<String>();
            row.add("summary");
            row.add(getLevelHtml(status.getLevel()));
            row.add("<a href=\"/status\" target=\"_blank\">summary</a>");
            rows.add(row);
            return new Page("Status (<a href=\"/status\" target=\"_blank\">summary</a>)", "Status", new String[] {"Name", "Status", "Description"}, rows);
        }
    }
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