org.apache.dubbo.rpc.protocol.dubbo.status.ServerStatusChecker Maven / Gradle / Ivy
/*
* 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.dubbo.rpc.protocol.dubbo.status;
import org.apache.dubbo.common.extension.Activate;
import org.apache.dubbo.common.status.Status;
import org.apache.dubbo.common.status.StatusChecker;
import org.apache.dubbo.remoting.RemotingServer;
import org.apache.dubbo.rpc.ProtocolServer;
import org.apache.dubbo.rpc.protocol.dubbo.DubboProtocol;
import java.util.List;
/**
* ServerStatusChecker
*/
@Activate
public class ServerStatusChecker implements StatusChecker {
@Override
public Status check() {
List servers = DubboProtocol.getDubboProtocol().getServers();
if (servers == null || servers.isEmpty()) {
return new Status(Status.Level.UNKNOWN);
}
Status.Level level = Status.Level.OK;
StringBuilder buf = new StringBuilder();
for (ProtocolServer protocolServer : servers) {
RemotingServer server = protocolServer.getRemotingServer();
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());
}
}