| /* |
| * 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.extension.Activate; |
| import com.alibaba.dubbo.common.utils.StringUtils; |
| import com.alibaba.dubbo.remoting.Channel; |
| import com.alibaba.dubbo.remoting.exchange.ExchangeChannel; |
| import com.alibaba.dubbo.remoting.exchange.ExchangeServer; |
| import com.alibaba.dubbo.remoting.telnet.TelnetHandler; |
| import com.alibaba.dubbo.remoting.telnet.support.Help; |
| import com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol; |
| |
| import java.util.Collection; |
| |
| /** |
| * ServerTelnetHandler |
| */ |
| @Activate |
| @Help(parameter = "[-l] [port]", summary = "Print server ports and connections.", detail = "Print server ports and connections.") |
| public class PortTelnetHandler implements TelnetHandler { |
| |
| @Override |
| public String telnet(Channel channel, String message) { |
| StringBuilder buf = new StringBuilder(); |
| String port = null; |
| boolean detail = false; |
| if (message.length() > 0) { |
| String[] parts = message.split("\\s+"); |
| for (String part : parts) { |
| if ("-l".equals(part)) { |
| detail = true; |
| } else { |
| if (!StringUtils.isInteger(part)) { |
| return "Illegal port " + part + ", must be integer."; |
| } |
| port = part; |
| } |
| } |
| } |
| if (port == null || port.length() == 0) { |
| for (ExchangeServer server : DubboProtocol.getDubboProtocol().getServers()) { |
| if (buf.length() > 0) { |
| buf.append("\r\n"); |
| } |
| if (detail) { |
| buf.append(server.getUrl().getProtocol() + "://" + server.getUrl().getAddress()); |
| } else { |
| buf.append(server.getUrl().getPort()); |
| } |
| } |
| } else { |
| int p = Integer.parseInt(port); |
| ExchangeServer server = null; |
| for (ExchangeServer s : DubboProtocol.getDubboProtocol().getServers()) { |
| if (p == s.getUrl().getPort()) { |
| server = s; |
| break; |
| } |
| } |
| if (server != null) { |
| Collection<ExchangeChannel> channels = server.getExchangeChannels(); |
| for (ExchangeChannel c : channels) { |
| if (buf.length() > 0) { |
| buf.append("\r\n"); |
| } |
| if (detail) { |
| buf.append(c.getRemoteAddress() + " -> " + c.getLocalAddress()); |
| } else { |
| buf.append(c.getRemoteAddress()); |
| } |
| } |
| } else { |
| buf.append("No such port " + port); |
| } |
| } |
| return buf.toString(); |
| } |
| |
| } |