| /******************************************************************************* |
| * 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.ofbiz.base.start; |
| |
| import java.io.BufferedReader; |
| import java.io.IOException; |
| import java.io.InputStreamReader; |
| import java.io.PrintWriter; |
| import java.net.ServerSocket; |
| import java.net.Socket; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicReference; |
| |
| import org.apache.ofbiz.base.start.Start.ServerState; |
| |
| /** |
| * The AdminServer provides a way to communicate with a running |
| * OFBiz instance after it has started and send commands to that instance |
| * such as inquiring on server status or requesting system shutdown |
| */ |
| final class AdminServer extends Thread { |
| |
| /** |
| * Commands communicated between AdminClient and AdminServer |
| */ |
| enum OfbizSocketCommand { |
| SHUTDOWN, STATUS, FAIL |
| } |
| |
| private ServerSocket serverSocket = null; |
| private List<StartupLoader> loaders = null; |
| private AtomicReference<ServerState> serverState = null; |
| private Config config = null; |
| |
| AdminServer(List<StartupLoader> loaders, AtomicReference<ServerState> serverState, Config config) throws StartupException { |
| super("OFBiz-AdminServer"); |
| try { |
| this.serverSocket = new ServerSocket(config.adminPort, 1, config.adminAddress); |
| } catch (IOException e) { |
| throw new StartupException("Couldn't create server socket(" + config.adminAddress + ":" + config.adminPort + ")", e); |
| } |
| setDaemon(false); |
| this.loaders = loaders; |
| this.serverState = serverState; |
| this.config = config; |
| } |
| |
| @Override |
| public void run() { |
| System.out.println("Admin socket configured on - " + config.adminAddress + ":" + config.adminPort); |
| while (!Thread.interrupted()) { |
| try (Socket clientSocket = serverSocket.accept()){ |
| |
| System.out.println("Received connection from - " |
| + clientSocket.getInetAddress() + " : " |
| + clientSocket.getPort()); |
| |
| processClientRequest(clientSocket, loaders, serverState); |
| |
| } catch (IOException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| private void processClientRequest(Socket client, List<StartupLoader> loaders, AtomicReference<ServerState> serverState) throws IOException { |
| |
| try (BufferedReader reader = new BufferedReader(new InputStreamReader(client.getInputStream())); |
| PrintWriter writer = new PrintWriter(client.getOutputStream(), true)) { |
| |
| // read client request and prepare response |
| String clientRequest = reader.readLine(); |
| OfbizSocketCommand clientCommand = determineClientCommand(clientRequest); |
| String serverResponse = prepareResponseToClient(clientCommand, serverState); |
| |
| // send response back to client |
| writer.println(serverResponse); |
| |
| // if the client request is shutdown, execute shutdown sequence |
| if(clientCommand.equals(OfbizSocketCommand.SHUTDOWN)) { |
| writer.flush(); |
| StartupControlPanel.stop(loaders, serverState, this); |
| } |
| } |
| } |
| |
| private OfbizSocketCommand determineClientCommand(String request) { |
| OfbizSocketCommand clientCommand; |
| if(request == null |
| || request.isEmpty() |
| || !request.contains(":") |
| || !request.substring(0, request.indexOf(':')).equals(config.adminKey) |
| || request.substring(request.indexOf(':') + 1) == null) { |
| clientCommand = OfbizSocketCommand.FAIL; |
| } else { |
| clientCommand = OfbizSocketCommand.valueOf(request.substring(request.indexOf(':') + 1)); |
| } |
| return clientCommand; |
| } |
| |
| private String prepareResponseToClient(OfbizSocketCommand control, AtomicReference<ServerState> serverState) { |
| String response = null; |
| switch(control) { |
| case SHUTDOWN: |
| if (serverState.get() == ServerState.STOPPING) { |
| response = "IN-PROGRESS"; |
| } else { |
| response = "OK"; |
| } |
| break; |
| case STATUS: |
| response = serverState.get().toString(); |
| break; |
| case FAIL: |
| response = "FAIL"; |
| break; |
| } |
| return response; |
| } |
| } |