org.apache.bookkeeper.tools.cli.helpers.CommandHelpers Maven / Gradle / Ivy
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* 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.bookkeeper.tools.cli.helpers;
import com.google.common.net.InetAddresses;
import java.net.InetAddress;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import org.apache.bookkeeper.net.BookieId;
import org.apache.bookkeeper.net.BookieSocketAddress;
import org.apache.bookkeeper.proto.BookieAddressResolver;
/**
* Helper classes used by the cli commands.
*/
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class CommandHelpers {
private static final String UNKNOWN = "UNKNOWN";
/*
* The string returned is of the form:
* BookieID:bookieId, IP:ip, Port: port, Hostname: hostname
* When using hostname as bookie id, it's possible that the host is no longer valid and
* can't get a ip from the hostname, so using UNKNOWN to indicate ip is unknown for the hostname
*/
public static String getBookieSocketAddrStringRepresentation(BookieId bookieId,
BookieAddressResolver bookieAddressResolver) {
try {
BookieSocketAddress networkAddress = bookieAddressResolver.resolve(bookieId);
String hostname = networkAddress.getHostName();
String realHostname;
String ip;
if (InetAddresses.isInetAddress(hostname)){
ip = hostname;
realHostname = networkAddress.getSocketAddress().getAddress().getCanonicalHostName();
} else {
InetAddress ia = networkAddress.getSocketAddress().getAddress();
if (null != ia){
ip = ia.getHostAddress();
} else {
ip = UNKNOWN;
}
realHostname = hostname;
}
return formatBookieSocketAddress(bookieId, ip, networkAddress.getPort(), realHostname);
} catch (BookieAddressResolver.BookieIdNotResolvedException bookieNotAvailable) {
return formatBookieSocketAddress(bookieId, UNKNOWN, 0, UNKNOWN);
}
}
/**
* Format {@link BookieSocketAddress}.
**/
private static String formatBookieSocketAddress(BookieId bookieId, String ip, int port, String hostName) {
return String.format("BookieID:%s, IP:%s, Port:%d, Hostname:%s", bookieId.toString(), ip, port, hostName);
}
}