Java tutorial
/** * Copyright (C) 2010 EdgyTech LLC. * * Licensed 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 com.edgytech.umongo; import com.edgytech.swingfast.ButtonBase; import com.edgytech.swingfast.ConfirmDialog; import com.edgytech.swingfast.EnumListener; import com.edgytech.swingfast.InfoDialog; import com.edgytech.swingfast.Menu; import com.edgytech.swingfast.Text; import com.edgytech.swingfast.XmlComponentUnit; import com.mongodb.BasicDBObject; import com.mongodb.CommandResult; import com.mongodb.DBObject; import com.mongodb.Mongo; import com.mongodb.ServerAddress; import javax.swing.JPanel; import com.edgytech.umongo.ServerPanel.Item; import com.mongodb.*; import java.io.IOException; import java.util.logging.Level; /** * * @author antoine */ public class ServerPanel extends BasePanel implements EnumListener<Item> { enum Item { icon, host, address, maxObjectSize, journaling, replication, clientPorts, rsConfig, rsStatus, rsOplogInfo, refresh, rsStepDown, rsFreeze, rsFreezeTime, initiate, initConfig, rsRemove, rsReconfigure, isMaster, serverStatus, serverBuildInfo, currentOps, currentOpsQuery, killOp, killOpId, getParameter, getParameterValue, setParameter, setParameterValue, setLogLevel, setLogLevelValue, getLog, getLogType, logRotate, replica, shutdown, shutdownForce, shutdownTimeout, shutdownConfirm, fsync, fsyncAndLock, } public ServerPanel() { setEnumBinding(Item.values(), this); } public ServerNode getServerNode() { return (ServerNode) getNode(); } @Override protected void updateComponentCustom(JPanel comp) { try { ServerNode node = getServerNode(); if (node.isConfig) { ((Menu) getBoundUnit(Item.replica)).enabled = false; } MongoClient svrMongo = node.getServerMongoClient(); ServerAddress addr = getServerNode().getServerAddress(); if (addr != null) { setStringFieldValue(Item.host, addr.toString()); setStringFieldValue(Item.address, addr.getSocketAddress().toString()); } CommandResult res = svrMongo.getDB("local").command("isMaster"); boolean master = res.getBoolean("ismaster"); String replication = MongoUtils.makeInfoString("master", master, "secondary", res.getBoolean("secondary"), "passive", res.getBoolean("passive")); setStringFieldValue(Item.replication, replication); ((Text) getBoundUnit(Item.replication)).showIcon = master; setStringFieldValue(Item.maxObjectSize, String.valueOf(svrMongo.getMaxBsonObjectSize())); // ((CmdField) getBoundUnit(Item.serverStatus)).updateFromCmd(svrMongo); // // DBObject svrStatus = ((DocField) getBoundUnit(Item.serverStatus)).getDoc(); // boolean dur = svrStatus.containsField("dur"); // ((Text)getBoundUnit(Item.journaling)).setStringValue(dur ? "On" : "Off"); // ((Text)getBoundUnit(Item.journaling)).showIcon = dur; } catch (Exception e) { UMongo.instance.showError(this.getClass().getSimpleName() + " update", e); } } public void actionPerformed(Item enm, XmlComponentUnit unit, Object src) { } public void rsStepDown(ButtonBase button) { final DBObject cmd = new BasicDBObject("replSetStepDown", 1); final DB admin = getServerNode().getServerMongoClient().getDB("admin"); new DbJob() { @Override public Object doRun() { Object res = null; try { res = admin.command(cmd); } catch (MongoException.Network e) { res = "Operation was likely successful, but connection error: " + e.toString(); } try { // sleep a bit since it takes time for driver to see change Thread.sleep(6000); } catch (InterruptedException ex) { getLogger().log(Level.WARNING, null, ex); } return res; } @Override public String getNS() { return null; } @Override public String getShortName() { return "RS Step Down"; } @Override public DBObject getRoot(Object result) { return cmd; } }.addJob(); } public void rsFreeze(ButtonBase button) { int sec = getIntFieldValue(Item.rsFreezeTime); DBObject cmd = new BasicDBObject("replSetFreeze", sec); new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), cmd).addJob(); } public void getLog(ButtonBase button) { final DB db = getServerNode().getServerMongoClient().getDB("admin"); final String type = getStringFieldValue(Item.getLogType); final DBObject cmd = new BasicDBObject("getLog", type); new DbJob() { @Override public Object doRun() throws Exception { CommandResult res = db.command(cmd); res.throwOnError(); StringBuilder sb = new StringBuilder(); BasicDBList list = (BasicDBList) res.get("log"); for (Object str : list) { sb.append(str); sb.append("\n"); } return sb.toString(); } @Override public String getNS() { return db.getName(); } @Override public String getShortName() { return cmd.keySet().iterator().next(); } }.addJob(); } public void serverStatus(ButtonBase button) { new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), "serverStatus").addJob(); } public void serverBuildInfo(ButtonBase button) { new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), "buildinfo").addJob(); } public void isMaster(ButtonBase button) { new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), "isMaster").addJob(); } public void rsConfig(ButtonBase button) { final DBCollection col = getServerNode().getServerMongoClient().getDB("local") .getCollection("system.replset"); CollectionPanel.doFind(col, null); } public void rsStatus(ButtonBase button) { new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), "replSetGetStatus").addJob(); } public void rsOplogInfo(ButtonBase button) { new DocView(null, "Oplog Info", null, "Oplog of " + getServerNode().getServerAddress(), MongoUtils.getReplicaSetInfo(getServerNode().getServerMongoClient())).addToTabbedDiv(); } public void setParameter(ButtonBase button) { BasicDBObject cmd = new BasicDBObject("setParameter", 1); DBObject param = ((DocBuilderField) getBoundUnit(Item.setParameterValue)).getDBObject(); cmd.putAll(param); new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), cmd).addJob(); } public void getParameter(ButtonBase button) { BasicDBObject cmd = new BasicDBObject("getParameter", 1); String param = getStringFieldValue(Item.getParameterValue); if ("*".equals(param)) cmd.put("getParameter", "*"); else cmd.put(param, 1); new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), cmd).addJob(); } public void setLogLevel(ButtonBase button) { BasicDBObject cmd = new BasicDBObject("setParameter", 1); int level = getIntFieldValue(Item.setLogLevelValue); cmd.put("logLevel", level); new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), cmd).addJob(); } public void currentOps(ButtonBase button) { final MongoClient mongo = getServerNode().getServerMongoClient(); final DBObject query = ((DocBuilderField) getBoundUnit(Item.currentOpsQuery)).getDBObject(); CollectionPanel.doFind(mongo.getDB("admin").getCollection("$cmd.sys.inprog"), query); } public void killOp(ButtonBase button) { final MongoClient mongo = getServerNode().getServerMongoClient(); final int opid = getIntFieldValue(Item.killOpId); final DBObject query = new BasicDBObject("op", opid); CollectionPanel.doFind(mongo.getDB("admin").getCollection("$cmd.sys.killop"), query); } public void rsRemove(ButtonBase button) throws Exception { ReplSetNode replset = (ReplSetNode) getServerNode().getParentNode(); final DBCollection col = replset.getMongoClient().getDB("local").getCollection("system.replset"); DBObject config = col.findOne(); BasicDBList members = (BasicDBList) config.get("members"); int i = 0; String myhost = getServerNode().getServerAddress().getHost() + ":" + getServerNode().getServerAddress().getPort(); for (; i < members.size(); ++i) { if (myhost.equals(((DBObject) members.get(i)).get("host"))) break; } if (i == members.size()) { throw new Exception("No such server in configuration"); } members.remove(i); ReplSetPanel.reconfigure(replset, config); } public void initiate(ButtonBase button) { DBObject config = ((DocBuilderField) getBoundUnit(Item.initConfig)).getDBObject(); DBObject cmd = new BasicDBObject("replSetInitiate", config); DB admin = getServerNode().getServerMongoClient().getDB("admin"); new DbJobCmd(admin, cmd, this, null).addJob(); } public void rsReconfigure(ButtonBase button) throws Exception { ReplSetNode replset = (ReplSetNode) getServerNode().getParentNode(); final DBCollection col = replset.getMongoClient().getDB("local").getCollection("system.replset"); DBObject config = col.findOne(); BasicDBList members = (BasicDBList) config.get("members"); int i = 0; String myhost = getServerNode().getServerAddress().getHost() + ":" + getServerNode().getServerAddress().getPort(); for (; i < members.size(); ++i) { if (myhost.equals(((DBObject) members.get(i)).get("host"))) break; } if (i == members.size()) { throw new Exception("No such server in configuration"); } ReplicaDialog dia = UMongo.instance.getGlobalStore().getReplicaDialog(); BasicDBObject oldConf = (BasicDBObject) members.get(i); dia.updateFromReplicaConfig(oldConf); if (!dia.show()) return; BasicDBObject conf = dia.getReplicaConfig(oldConf.getInt("_id")); members.put(i, conf); ReplSetPanel.reconfigure(replset, config); } public void shutdown(ButtonBase button) { BasicDBObject cmd = new BasicDBObject("shutdown", 1); boolean force = getBooleanFieldValue(Item.shutdownForce); if (force) cmd.put("force", force); int timeout = getIntFieldValue(Item.shutdownTimeout); if (timeout > 0) cmd.put("timeoutSecs", timeout); ConfirmDialog dia = (ConfirmDialog) getBoundUnit(Item.shutdownConfirm); if (!dia.show()) return; new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), cmd).addJob(); } public void logRotate(ButtonBase button) { new DbJobCmd(getServerNode().getServerMongoClient().getDB("admin"), "logRotate").addJob(); } public void fsync(ButtonBase button) { DBObject cmd = new BasicDBObject("fsync", 1); if (false) { cmd.put("async", 1); } DB admin = getServerNode().getServerMongoClient().getDB("admin"); new DbJobCmd(admin, cmd).addJob(); } public void fsyncAndLock(ButtonBase button) { if (!UMongo.instance.getGlobalStore().confirmLockingOperation()) { return; } new DbJob() { @Override public Object doRun() throws IOException { MongoClient mongo = getServerNode().getServerMongoClient(); boolean locked = mongo.isLocked(); if (locked) { return mongo.unlock(); } return mongo.fsyncAndLock(); } @Override public String getNS() { return null; } @Override public String getShortName() { return "FSync And Lock"; } @Override public void wrapUp(Object res) { try { // looks like the unlock doesnt take effect right away Thread.sleep(1000); } catch (InterruptedException ex) { } super.wrapUp(res); } }.addJob(); } }