| /* |
| * 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 com.alibaba.dubbo.rpc.protocol.dubbo.telnet; |
| |
| import com.alibaba.dubbo.common.URL; |
| import com.alibaba.dubbo.common.extension.Activate; |
| import com.alibaba.dubbo.common.utils.StringUtils; |
| import com.alibaba.dubbo.remoting.Channel; |
| import com.alibaba.dubbo.remoting.RemotingException; |
| import com.alibaba.dubbo.remoting.telnet.TelnetHandler; |
| import com.alibaba.dubbo.remoting.telnet.support.Help; |
| import com.alibaba.dubbo.remoting.telnet.support.TelnetUtils; |
| import com.alibaba.dubbo.rpc.Exporter; |
| import com.alibaba.dubbo.rpc.Invoker; |
| import com.alibaba.dubbo.rpc.RpcStatus; |
| import com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol; |
| |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * CountTelnetHandler |
| */ |
| @Activate |
| @Help(parameter = "[service] [method] [times]", summary = "Count the service.", detail = "Count the service.") |
| public class CountTelnetHandler implements TelnetHandler { |
| |
| @Override |
| public String telnet(final Channel channel, String message) { |
| String service = (String) channel.getAttribute(ChangeTelnetHandler.SERVICE_KEY); |
| if ((service == null || service.length() == 0) |
| && (message == null || message.length() == 0)) { |
| return "Please input service name, eg: \r\ncount XxxService\r\ncount XxxService xxxMethod\r\ncount XxxService xxxMethod 10\r\nor \"cd XxxService\" firstly."; |
| } |
| StringBuilder buf = new StringBuilder(); |
| if (service != null && service.length() > 0) { |
| buf.append("Use default service " + service + ".\r\n"); |
| } |
| String[] parts = message.split("\\s+"); |
| String method; |
| String times; |
| if (service == null || service.length() == 0) { |
| service = parts.length > 0 ? parts[0] : null; |
| method = parts.length > 1 ? parts[1] : null; |
| } else { |
| method = parts.length > 0 ? parts[0] : null; |
| } |
| if (StringUtils.isInteger(method)) { |
| times = method; |
| method = null; |
| } else { |
| times = parts.length > 2 ? parts[2] : "1"; |
| } |
| if (!StringUtils.isInteger(times)) { |
| return "Illegal times " + times + ", must be integer."; |
| } |
| final int t = Integer.parseInt(times); |
| Invoker<?> invoker = null; |
| for (Exporter<?> exporter : DubboProtocol.getDubboProtocol().getExporters()) { |
| if (service.equals(exporter.getInvoker().getInterface().getSimpleName()) |
| || service.equals(exporter.getInvoker().getInterface().getName()) |
| || service.equals(exporter.getInvoker().getUrl().getPath())) { |
| invoker = exporter.getInvoker(); |
| break; |
| } |
| } |
| if (invoker != null) { |
| if (t > 0) { |
| final String mtd = method; |
| final Invoker<?> inv = invoker; |
| final String prompt = channel.getUrl().getParameter("prompt", "telnet"); |
| Thread thread = new Thread(new Runnable() { |
| @Override |
| public void run() { |
| for (int i = 0; i < t; i++) { |
| String result = count(inv, mtd); |
| try { |
| channel.send("\r\n" + result); |
| } catch (RemotingException e1) { |
| return; |
| } |
| if (i < t - 1) { |
| try { |
| Thread.sleep(1000); |
| } catch (InterruptedException e) { |
| } |
| } |
| } |
| try { |
| channel.send("\r\n" + prompt + "> "); |
| } catch (RemotingException e1) { |
| return; |
| } |
| } |
| }, "TelnetCount"); |
| thread.setDaemon(true); |
| thread.start(); |
| } |
| } else { |
| buf.append("No such service " + service); |
| } |
| return buf.toString(); |
| } |
| |
| private String count(Invoker<?> invoker, String method) { |
| URL url = invoker.getUrl(); |
| List<List<String>> table = new ArrayList<List<String>>(); |
| List<String> header = new ArrayList<String>(); |
| header.add("method"); |
| header.add("total"); |
| header.add("failed"); |
| header.add("active"); |
| header.add("average"); |
| header.add("max"); |
| if (method == null || method.length() == 0) { |
| for (Method m : invoker.getInterface().getMethods()) { |
| RpcStatus count = RpcStatus.getStatus(url, m.getName()); |
| List<String> row = new ArrayList<String>(); |
| row.add(m.getName()); |
| row.add(String.valueOf(count.getTotal())); |
| row.add(String.valueOf(count.getFailed())); |
| row.add(String.valueOf(count.getActive())); |
| row.add(String.valueOf(count.getSucceededAverageElapsed()) + "ms"); |
| row.add(String.valueOf(count.getSucceededMaxElapsed()) + "ms"); |
| table.add(row); |
| } |
| } else { |
| boolean found = false; |
| for (Method m : invoker.getInterface().getMethods()) { |
| if (m.getName().equals(method)) { |
| found = true; |
| break; |
| } |
| } |
| if (found) { |
| RpcStatus count = RpcStatus.getStatus(url, method); |
| List<String> row = new ArrayList<String>(); |
| row.add(method); |
| row.add(String.valueOf(count.getTotal())); |
| row.add(String.valueOf(count.getFailed())); |
| row.add(String.valueOf(count.getActive())); |
| row.add(String.valueOf(count.getSucceededAverageElapsed()) + "ms"); |
| row.add(String.valueOf(count.getSucceededMaxElapsed()) + "ms"); |
| table.add(row); |
| } else { |
| return "No such method " + method + " in class " + invoker.getInterface().getName(); |
| } |
| } |
| return TelnetUtils.toTable(header, table); |
| } |
| |
| } |