/* | |
* Copyright 1999-2011 Alibaba Group. | |
* | |
* 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.alibaba.dubbo.rpc.protocol.dubbo.telnet; | |
import java.util.Collection; | |
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; | |
/** | |
* ServerTelnetHandler | |
* | |
* @author william.liangf | |
*/ | |
@Activate | |
@Help(parameter = "[-l] [port]", summary = "Print server ports and connections.", detail = "Print server ports and connections.") | |
public class PortTelnetHandler implements TelnetHandler { | |
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(); | |
} | |
} |