kezhenxu94
3 years ago
committed by
GitHub
106 changed files with 534 additions and 2454 deletions
@ -1,226 +0,0 @@ |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.api.utils; |
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import org.apache.dolphinscheduler.common.utils.StringUtils; |
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import org.slf4j.Logger; |
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import org.slf4j.LoggerFactory; |
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import java.util.Scanner; |
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/** |
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* zookeeper state monitor |
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* |
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*/ |
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public class ZooKeeperState { |
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private static final Logger logger = LoggerFactory.getLogger(ZooKeeperState.class); |
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private final String host; |
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private final int port; |
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private float minLatency = -1, avgLatency = -1, maxLatency = -1; |
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private long received = -1; |
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private long sent = -1; |
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private int outStanding = -1; |
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private long zxid = -1; |
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private String mode = null; |
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private int nodeCount = -1; |
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private int watches = -1; |
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private int connections = -1; |
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public ZooKeeperState(String connectionString) { |
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String host = connectionString.substring(0, |
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connectionString.indexOf(':')); |
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int port = Integer.parseInt(connectionString.substring(connectionString |
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.indexOf(':') + 1)); |
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this.host = host; |
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this.port = port; |
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} |
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public void getZookeeperInfo() { |
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String content = cmd("srvr"); |
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if (StringUtils.isNotBlank(content)) { |
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try (Scanner scannerForStat = new Scanner(content)) { |
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while (scannerForStat.hasNext()) { |
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String line = scannerForStat.nextLine(); |
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if (line.startsWith("Latency min/avg/max:")) { |
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String[] latencys = getStringValueFromLine(line).split("/"); |
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minLatency = Float.parseFloat(latencys[0]); |
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avgLatency = Float.parseFloat(latencys[1]); |
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maxLatency = Float.parseFloat(latencys[2]); |
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} else if (line.startsWith("Received:")) { |
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received = Long.parseLong(getStringValueFromLine(line)); |
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} else if (line.startsWith("Sent:")) { |
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sent = Long.parseLong(getStringValueFromLine(line)); |
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} else if (line.startsWith("Outstanding:")) { |
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outStanding = Integer.parseInt(getStringValueFromLine(line)); |
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} else if (line.startsWith("Zxid:")) { |
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zxid = Long.parseLong(getStringValueFromLine(line).substring(2), 16); |
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} else if (line.startsWith("Mode:")) { |
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mode = getStringValueFromLine(line); |
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} else if (line.startsWith("Node count:")) { |
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nodeCount = Integer.parseInt(getStringValueFromLine(line)); |
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} |
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} |
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} |
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} |
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String wchsText = cmd("wchs"); |
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if (StringUtils.isNotBlank(wchsText)) { |
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try (Scanner scannerForWchs = new Scanner(wchsText)) { |
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while (scannerForWchs.hasNext()) { |
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String line = scannerForWchs.nextLine(); |
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if (line.startsWith("Total watches:")) { |
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watches = Integer.parseInt(getStringValueFromLine(line)); |
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} |
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} |
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} |
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} |
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String consText = cmd("cons"); |
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if (StringUtils.isNotBlank(consText)) { |
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Scanner scannerForCons = new Scanner(consText); |
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if (StringUtils.isNotBlank(consText)) { |
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connections = 0; |
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} |
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while (scannerForCons.hasNext()) { |
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@SuppressWarnings("unused") |
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String line = scannerForCons.nextLine(); |
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++connections; |
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} |
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scannerForCons.close(); |
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} |
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} |
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public boolean ruok() { |
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return "imok\n".equals(cmd("ruok")); |
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} |
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private String getStringValueFromLine(String line) { |
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return line.substring(line.indexOf(":") + 1, line.length()).replaceAll( |
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" ", "").trim(); |
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} |
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private class SendThread extends Thread { |
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private String cmd; |
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private String ret = ""; |
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public SendThread(String cmd) { |
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this.cmd = cmd; |
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} |
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@Override |
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public void run() { |
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try { |
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ret = FourLetterWordMain.send4LetterWord(host, port, cmd); |
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} catch (Exception e) { |
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logger.error(e.getMessage(),e); |
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return; |
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} |
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} |
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} |
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private String cmd(String cmd) { |
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final int waitTimeout = 5; |
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SendThread sendThread = new SendThread(cmd); |
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sendThread.setName("FourLetterCmd:" + cmd); |
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sendThread.start(); |
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try { |
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sendThread.join(waitTimeout * 1000L); |
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return sendThread.ret; |
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} catch (InterruptedException e) { |
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logger.error("send " + cmd + " to server " + host + ":" + port + " failed!", e); |
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Thread.currentThread().interrupt(); |
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} |
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return ""; |
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} |
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public Logger getLogger() { |
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return logger; |
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} |
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public String getHost() { |
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return host; |
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} |
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public int getPort() { |
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return port; |
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} |
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public float getMinLatency() { |
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return minLatency; |
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} |
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public float getAvgLatency() { |
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return avgLatency; |
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} |
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public float getMaxLatency() { |
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return maxLatency; |
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} |
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public long getReceived() { |
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return received; |
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} |
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public long getSent() { |
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return sent; |
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} |
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public int getOutStanding() { |
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return outStanding; |
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} |
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public long getZxid() { |
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return zxid; |
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} |
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public String getMode() { |
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return mode; |
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} |
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public int getNodeCount() { |
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return nodeCount; |
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} |
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public int getWatches() { |
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return watches; |
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} |
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public int getConnections() { |
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return connections; |
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} |
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@Override |
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public String toString() { |
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return "ZooKeeperState [host=" + host + ", port=" + port |
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+ ", minLatency=" + minLatency + ", avgLatency=" + avgLatency |
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+ ", maxLatency=" + maxLatency + ", received=" + received |
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+ ", sent=" + sent + ", outStanding=" + outStanding + ", zxid=" |
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+ zxid + ", mode=" + mode + ", nodeCount=" + nodeCount |
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+ ", watches=" + watches + ", connections=" |
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+ connections + "]"; |
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} |
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} |
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@ -1,33 +0,0 @@ |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.common.utils; |
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public class BooleanUtils { |
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public static boolean isTrue(Boolean bool) { |
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if (bool == null) { |
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return false; |
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} else { |
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return bool; |
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} |
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} |
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public static boolean isNotTrue(Boolean bool) { |
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return !isTrue(bool); |
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} |
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} |
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@ -1,226 +0,0 @@ |
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/* |
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* Licensed to the Apache Software Foundation (ASF) under one or more |
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* contributor license agreements. See the NOTICE file distributed with |
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* this work for additional information regarding copyright ownership. |
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* The ASF licenses this file to You under the Apache License, Version 2.0 |
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* (the "License"); you may not use this file except in compliance with |
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* the License. You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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package org.apache.dolphinscheduler.common.utils; |
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import java.util.Collection; |
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import java.util.Iterator; |
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/** |
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* java.lang.String utils class
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*/ |
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public class StringUtils { |
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/** |
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* The empty String {@code ""}. |
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*/ |
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public static final String EMPTY = ""; |
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public static final int INDEX_NOT_FOUND = -1; |
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private StringUtils() { |
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throw new UnsupportedOperationException("Construct StringUtils"); |
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} |
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/** |
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* <p>Checks if a CharSequence is empty ("") or null.</p> |
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* |
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* @param cs the CharSequence to check, may be null |
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* @return {@code true} if the CharSequence is empty or null |
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*/ |
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public static boolean isEmpty(final CharSequence cs) { |
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return cs == null || cs.length() == 0; |
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} |
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/** |
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* <p>Checks if a CharSequence is not empty ("") and not null.</p> |
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* |
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* @param cs the CharSequence to check, may be null |
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* @return {@code true} if the CharSequence is not empty and not null |
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*/ |
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public static boolean isNotEmpty(final CharSequence cs) { |
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return !isEmpty(cs); |
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} |
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/** |
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* <p>Checks if a CharSequence is empty (""), null or whitespace only.</p> |
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* |
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* @param cs the CharSequence to check, may be null |
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* @return {@code true} if the CharSequence is null, empty or whitespace only |
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*/ |
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public static boolean isBlank(final CharSequence cs) { |
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int strLen; |
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if (cs == null || (strLen = cs.length()) == 0) { |
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return true; |
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} |
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for (int i = 0; i < strLen; i++) { |
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if (!Character.isWhitespace(cs.charAt(i))) { |
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return false; |
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} |
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} |
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return true; |
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} |
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/** |
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* <p>Checks if a CharSequence is not empty (""), not null and not whitespace only.</p> |
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* |
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* @param cs the CharSequence to check, may be null |
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* @return {@code true} if the CharSequence is not empty and not null and not whitespace only |
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*/ |
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public static boolean isNotBlank(final CharSequence cs) { |
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return !isBlank(cs); |
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} |
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/** |
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* <p>Replace all strings matching the regular expression \t \n \r with _</p> |
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* |
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* @param src the String , may be null |
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* @return the string that has been replaced |
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*/ |
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public static String replaceNRTtoUnderline(String src) { |
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return isBlank(src) ? src : src.replaceAll("[\n|\r|\t]", "_"); |
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} |
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/** |
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* <p>Removes control characters (char <= 32) from both |
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* ends of this String, handling {@code null} by returning |
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* {@code null}.</p> |
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* |
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* @param str the String to be trimmed, may be null |
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* @return the trimmed string, {@code null} if null String input |
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*/ |
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public static String trim(final String str) { |
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return str == null ? null : str.trim(); |
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} |
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/** |
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* <p>Returns either the passed in CharSequence, or if the CharSequence is |
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* whitespace, empty ("") or {@code null}, the value of {@code defaultStr}.</p> |
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* |
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* @param <T> the specific kind of CharSequence |
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* @param str the CharSequence to check, may be null |
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* @param defaultStr the default CharSequence to return |
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* if the input is whitespace, empty ("") or {@code null}, may be null |
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* @return the passed in CharSequence, or the default |
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*/ |
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public static <T extends CharSequence> T defaultIfBlank(final T str, final T defaultStr) { |
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return isBlank(str) ? defaultStr : str; |
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} |
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/** |
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* <p>Compares two String, returning {@code true} if they represent |
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* equal string, ignoring case.</p> |
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* |
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* @param str1 the first String, may be null |
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* @param str2 the second String, may be null |
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* @return {@code true} if the String are equal, case insensitive, or |
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* both {@code null} |
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*/ |
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public static boolean equalsIgnoreCase(String str1, String str2) { |
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return str1 == null ? str2 == null : str1.equalsIgnoreCase(str2); |
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} |
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public static String substringBefore(final String str, final String separator) { |
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if (isEmpty(str) || separator == null) { |
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return str; |
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} |
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if (separator.isEmpty()) { |
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return EMPTY; |
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} |
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final int pos = str.indexOf(separator); |
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if (pos == INDEX_NOT_FOUND) { |
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return str; |
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} |
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return str.substring(0, pos); |
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} |
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public static String substringAfter(final String str, final String separator) { |
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if (isEmpty(str)) { |
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return str; |
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} |
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if (separator == null) { |
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return EMPTY; |
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} |
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final int pos = str.indexOf(separator); |
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if (pos == INDEX_NOT_FOUND) { |
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return EMPTY; |
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} |
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return str.substring(pos + separator.length()); |
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} |
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public static long strDigitToLong(String str, long defaultValue) { |
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if (str == null) { |
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return defaultValue; |
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} else { |
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try { |
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return Long.parseLong(str); |
|
||||||
} catch (NumberFormatException var4) { |
|
||||||
return defaultValue; |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
|
|
||||||
/** |
|
||||||
* <p>Joins the elements of the provided Collection into a single String |
|
||||||
* containing the provided Collection of elements.</p> |
|
||||||
* |
|
||||||
* @param collection the collection, may be null |
|
||||||
* @param separator the separator |
|
||||||
* @return a single String |
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||||||
*/ |
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||||||
public static String join(Collection<?> collection, String separator) { |
|
||||||
return collection == null ? null : join(collection.iterator(), separator); |
|
||||||
} |
|
||||||
|
|
||||||
/** |
|
||||||
* <p>Joins the elements of the provided Iterator into a single String |
|
||||||
* containing the provided Iterator of elements.</p> |
|
||||||
* |
|
||||||
* @param iterator the iterator, may be null |
|
||||||
* @param separator the separator |
|
||||||
* @return a single String |
|
||||||
*/ |
|
||||||
public static String join(Iterator<?> iterator, String separator) { |
|
||||||
if (iterator == null) { |
|
||||||
return null; |
|
||||||
} else if (!iterator.hasNext()) { |
|
||||||
return ""; |
|
||||||
} else { |
|
||||||
Object first = iterator.next(); |
|
||||||
if (!iterator.hasNext()) { |
|
||||||
return first == null ? "" : first.toString(); |
|
||||||
} else { |
|
||||||
StringBuilder buf = new StringBuilder(256); |
|
||||||
if (first != null) { |
|
||||||
buf.append(first); |
|
||||||
} |
|
||||||
|
|
||||||
while (iterator.hasNext()) { |
|
||||||
if (separator != null) { |
|
||||||
buf.append(separator); |
|
||||||
} |
|
||||||
|
|
||||||
Object obj = iterator.next(); |
|
||||||
if (obj != null) { |
|
||||||
buf.append(obj); |
|
||||||
} |
|
||||||
} |
|
||||||
return buf.toString(); |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
} |
|
||||||
@ -1,96 +0,0 @@ |
|||||||
/* |
|
||||||
* Licensed to the Apache Software Foundation (ASF) under one or more |
|
||||||
* contributor license agreements. See the NOTICE file distributed with |
|
||||||
* this work for additional information regarding copyright ownership. |
|
||||||
* The ASF licenses this file to You under the Apache License, Version 2.0 |
|
||||||
* (the "License"); you may not use this file except in compliance with |
|
||||||
* the License. You may obtain a copy of the License at |
|
||||||
* |
|
||||||
* http://www.apache.org/licenses/LICENSE-2.0
|
|
||||||
* |
|
||||||
* Unless required by applicable law or agreed to in writing, software |
|
||||||
* distributed under the License is distributed on an "AS IS" BASIS, |
|
||||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
|
||||||
* See the License for the specific language governing permissions and |
|
||||||
* limitations under the License. |
|
||||||
*/ |
|
||||||
|
|
||||||
package org.apache.dolphinscheduler.common.utils; |
|
||||||
|
|
||||||
import java.util.ArrayList; |
|
||||||
import java.util.List; |
|
||||||
|
|
||||||
import org.junit.Assert; |
|
||||||
import org.junit.Test; |
|
||||||
|
|
||||||
public class StringUtilsTest { |
|
||||||
@Test |
|
||||||
public void testIsNotEmpty() { |
|
||||||
//null string
|
|
||||||
boolean b = StringUtils.isNotEmpty(null); |
|
||||||
Assert.assertFalse(b); |
|
||||||
|
|
||||||
//"" string
|
|
||||||
b = StringUtils.isNotEmpty(""); |
|
||||||
Assert.assertFalse(b); |
|
||||||
|
|
||||||
//" " string
|
|
||||||
b = StringUtils.isNotEmpty(" "); |
|
||||||
Assert.assertTrue(b); |
|
||||||
|
|
||||||
//"test" string
|
|
||||||
b = StringUtils.isNotEmpty("test"); |
|
||||||
Assert.assertTrue(b); |
|
||||||
} |
|
||||||
|
|
||||||
@Test |
|
||||||
public void testIsNotBlank() { |
|
||||||
//null string
|
|
||||||
boolean b = StringUtils.isNotBlank(null); |
|
||||||
Assert.assertFalse(b); |
|
||||||
|
|
||||||
//"" string
|
|
||||||
b = StringUtils.isNotBlank(""); |
|
||||||
Assert.assertFalse(b); |
|
||||||
|
|
||||||
//" " string
|
|
||||||
b = StringUtils.isNotBlank(" "); |
|
||||||
Assert.assertFalse(b); |
|
||||||
|
|
||||||
//" test " string
|
|
||||||
b = StringUtils.isNotBlank(" test "); |
|
||||||
Assert.assertTrue(b); |
|
||||||
|
|
||||||
//"test" string
|
|
||||||
b = StringUtils.isNotBlank("test"); |
|
||||||
Assert.assertTrue(b); |
|
||||||
} |
|
||||||
|
|
||||||
@Test |
|
||||||
public void testTrim() { |
|
||||||
String trim = StringUtils.trim(null); |
|
||||||
Assert.assertNull(trim); |
|
||||||
|
|
||||||
trim = StringUtils.trim(" test "); |
|
||||||
Assert.assertEquals("test", trim); |
|
||||||
} |
|
||||||
|
|
||||||
@Test |
|
||||||
public void testDefaultIfBlank() { |
|
||||||
String defaultStr = StringUtils.defaultIfBlank("", "defaultStr"); |
|
||||||
Assert.assertEquals("defaultStr", defaultStr); |
|
||||||
|
|
||||||
defaultStr = StringUtils.defaultIfBlank("test", "defaultStr"); |
|
||||||
Assert.assertEquals("test", defaultStr); |
|
||||||
} |
|
||||||
|
|
||||||
@Test |
|
||||||
public void testJoin() { |
|
||||||
List<String> list = new ArrayList<>(); |
|
||||||
list.add("1"); |
|
||||||
list.add("3"); |
|
||||||
list.add("4"); |
|
||||||
String join = StringUtils.join(list, ","); |
|
||||||
Assert.assertEquals("1,3,4", join); |
|
||||||
} |
|
||||||
} |
|
||||||
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Reference in new issue