/* * 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.status; import java.util.Collection; import com.alibaba.dubbo.common.extension.Activate; import com.alibaba.dubbo.common.status.Status; import com.alibaba.dubbo.common.status.StatusChecker; import com.alibaba.dubbo.remoting.exchange.ExchangeServer; import com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol; /** * ServerStatusChecker * * @author william.liangf */ @Activate public class ServerStatusChecker implements StatusChecker { public Status check() { Collection<ExchangeServer> servers = DubboProtocol.getDubboProtocol().getServers(); if (servers == null || servers.size() == 0) { return new Status(Status.Level.UNKNOWN); } Status.Level level = Status.Level.OK; StringBuilder buf = new StringBuilder(); for (ExchangeServer server : servers) { if (! server.isBound()) { level = Status.Level.ERROR; buf.setLength(0); buf.append(server.getLocalAddress()); break; } if (buf.length() > 0) { buf.append(","); } buf.append(server.getLocalAddress()); buf.append("(clients:"); buf.append(server.getChannels().size()); buf.append(")"); } return new Status(level, buf.toString()); } }