| /* |
| * 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.geode.distributed.internal; |
| |
| import java.io.DataInput; |
| import java.io.DataOutput; |
| import java.io.IOException; |
| import java.net.UnknownHostException; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.geode.DataSerializable; |
| import org.apache.geode.DataSerializer; |
| import org.apache.geode.internal.net.SocketCreator; |
| |
| /** |
| * Represents the location of a cache server. This class is preferable to InetSocketAddress because |
| * it doesn't do any name resolution. |
| * |
| * |
| */ |
| public class ServerLocation implements DataSerializable, Comparable { |
| private static final long serialVersionUID = -5850116974987640560L; |
| |
| private String hostName; |
| private int port; |
| /** |
| * Used exclusively in case of single user authentication mode. Client sends this userId to the |
| * server with each operation to identify itself at the server. |
| */ |
| private long userId = -1; |
| |
| /** |
| * If its value is two, it lets the client know that it need not send the security part |
| * (connection-id, user-id) with each operation to the server. Also, that the client should not |
| * expect the security part in the server's response. |
| */ |
| private final AtomicInteger requiresCredentials = new AtomicInteger(INITIAL_REQUIRES_CREDENTIALS); |
| |
| public static final int INITIAL_REQUIRES_CREDENTIALS = 0; |
| |
| public static final int REQUIRES_CREDENTIALS = 1; |
| |
| public static final int REQUIRES_NO_CREDENTIALS = 2; |
| |
| /** |
| * For DataSerializer |
| */ |
| public ServerLocation() { |
| |
| } |
| |
| public ServerLocation(String hostName, int port) { |
| this.hostName = hostName; |
| this.port = port; |
| } |
| |
| public String getHostName() { |
| return hostName; |
| } |
| |
| public int getPort() { |
| return port; |
| } |
| |
| @Override |
| public void fromData(DataInput in) throws IOException, ClassNotFoundException { |
| hostName = DataSerializer.readString(in); |
| port = in.readInt(); |
| } |
| |
| @Override |
| public void toData(DataOutput out) throws IOException { |
| DataSerializer.writeString(hostName, out); |
| out.writeInt(port); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| // result = prime * result + ((hostName == null) ? 0 : hostName.hashCode()); |
| result = prime * result + port; |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null) |
| return false; |
| if (!(obj instanceof ServerLocation)) |
| return false; |
| final ServerLocation other = (ServerLocation) obj; |
| if (hostName == null) { |
| if (other.hostName != null) |
| return false; |
| } else if (other.hostName == null) { |
| return false; |
| } else if (!hostName.equals(other.hostName)) { |
| String canonicalHostName; |
| try { |
| canonicalHostName = SocketCreator.getLocalHost().getCanonicalHostName(); |
| } catch (UnknownHostException e) { |
| throw new IllegalStateException("getLocalHost failed with " + e); |
| } |
| if ("localhost".equals(hostName)) { |
| if (!canonicalHostName.equals(other.hostName)) { |
| return false; |
| } |
| } else if ("localhost".equals(other.hostName)) { |
| if (!canonicalHostName.equals(hostName)) { |
| return false; |
| } |
| } else { |
| return false; // fix for bug 42040 |
| } |
| } |
| if (port != other.port) |
| return false; |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return hostName + ":" + port; |
| } |
| |
| @Override |
| public int compareTo(Object o) { |
| ServerLocation other = (ServerLocation) o; |
| int difference = hostName.compareTo(other.hostName); |
| if (difference != 0) { |
| return difference; |
| } |
| return port - other.getPort(); |
| } |
| |
| public void setUserId(long id) { |
| this.userId = id; |
| } |
| |
| public long getUserId() { |
| return this.userId; |
| } |
| |
| public void compareAndSetRequiresCredentials(boolean bool) { |
| int val = bool ? REQUIRES_CREDENTIALS : REQUIRES_NO_CREDENTIALS; |
| this.requiresCredentials.compareAndSet(INITIAL_REQUIRES_CREDENTIALS, val); |
| } |
| |
| public void setRequiresCredentials(boolean bool) { |
| int val = bool ? REQUIRES_CREDENTIALS : REQUIRES_NO_CREDENTIALS; |
| this.requiresCredentials.set(val); |
| } |
| |
| public boolean getRequiresCredentials() { |
| return this.requiresCredentials.get() == REQUIRES_CREDENTIALS ? true : false; |
| } |
| |
| } |