Examples with Status com.alibaba.dubbo.common.status.Status used on opensource projects

Example 6 with Status

use of com.alibaba.dubbo.common.status.Status in project dubbo by alibaba.

the class StatusPageHandler method handle.

public Page handle(URL url) {
    List<List<String>> rows = new ArrayList<List<String>>();
    Set<String> names = ExtensionLoader.getExtensionLoader(StatusChecker.class).getSupportedExtensions();
    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);
    }
}

Example 7 with Status

use of com.alibaba.dubbo.common.status.Status in project dubbo by alibaba.

the class StatusTelnetHandler method telnet.

public String telnet(Channel channel, String message) {
    if (message.equals("-l")) {
        List<StatusChecker> checkers = extensionLoader.getActivateExtension(channel.getUrl(), "status");
        String[] header = new String[] { "resource", "status", "message" };
        List<List<String>> table = new ArrayList<List<String>>();
        Map<String, Status> statuses = new HashMap<String, Status>();
        if (checkers != null && checkers.size() > 0) {
            for (StatusChecker checker : checkers) {
                String name = extensionLoader.getExtensionName(checker);
                Status stat;
                try {
                    stat = checker.check();
                } catch (Throwable t) {
                    stat = new Status(Status.Level.ERROR, t.getMessage());
                }
                statuses.put(name, stat);
                if (stat.getLevel() != null && stat.getLevel() != Status.Level.UNKNOWN) {
                    List<String> row = new ArrayList<String>();
                    row.add(name);
                    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.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());
}

Example 8 with Status

use of com.alibaba.dubbo.common.status.Status in project dubbo by alibaba.

the class ServerStatusChecker method check.

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());
}

Example 9 with Status

use of com.alibaba.dubbo.common.status.Status in project dubbo by alibaba.

the class ThreadPoolStatusChecker method check.

public Status check() {
    DataStore dataStore = ExtensionLoader.getExtensionLoader(DataStore.class).getDefaultExtension();
    Map<String, Object> executors = dataStore.get(Constants.EXECUTOR_SERVICE_COMPONENT_KEY);
    StringBuilder msg = new StringBuilder();
    Status.Level level = Status.Level.OK;
    for (Map.Entry<String, Object> entry : executors.entrySet()) {
        String port = entry.getKey();
        ExecutorService executor = (ExecutorService) entry.getValue();
        if (executor != null && executor instanceof ThreadPoolExecutor) {
            ThreadPoolExecutor tp = (ThreadPoolExecutor) executor;
            boolean ok = tp.getActiveCount() < tp.getMaximumPoolSize() - 1;
            Status.Level lvl = Status.Level.OK;
            if (!ok) {
                level = Status.Level.WARN;
                lvl = Status.Level.WARN;
            }
            if (msg.length() > 0) {
                msg.append(";");
            }
            msg.append("Pool status:" + lvl + ", max:" + tp.getMaximumPoolSize() + ", core:" + tp.getCorePoolSize() + ", largest:" + tp.getLargestPoolSize() + ", active:" + tp.getActiveCount() + ", task:" + tp.getTaskCount() + ", service port: " + port);
        }
    }
    return msg.length() == 0 ? new Status(Status.Level.UNKNOWN) : new Status(level, msg.toString());
}

Example 10 with Status

use of com.alibaba.dubbo.common.status.Status in project dubbo by alibaba.

the class LoadStatusChecker method check.

public Status check() {
    OperatingSystemMXBean operatingSystemMXBean = ManagementFactory.getOperatingSystemMXBean();
    double load;
    try {
        Method method = OperatingSystemMXBean.class.getMethod("getSystemLoadAverage", new Class<?>[0]);
        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);
}