/*
* 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.internal.admin.remote;
import org.apache.geode.InternalGemFireException;
import org.apache.geode.distributed.Locator;
import org.apache.geode.distributed.internal.DistributionConfig;
import org.apache.geode.internal.net.SocketCreator;
import org.apache.geode.internal.admin.SSLConfig;
import org.apache.geode.internal.i18n.LocalizedStrings;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import org.apache.commons.lang.StringUtils;
/**
* Identifies the host, port, and bindAddress a distribution locator is listening on.
*
*
*/
public class DistributionLocatorId implements java.io.Serializable {
private static final long serialVersionUID = 6587390186971937865L;
private final InetAddress host;
private final int port;
private final String bindAddress;
transient private SSLConfig sslConfig;
// the following two fields are not used but are retained for backward compatibility
// as this class is Serializable and is used in WAN locator information exchange
private boolean peerLocator = true;
private boolean serverLocator = true;
private String hostnameForClients;
/**
* Constructs a DistributionLocatorId with the given host and port.
*/
public DistributionLocatorId(InetAddress host, int port, String bindAddress,
SSLConfig sslConfig) {
this.host = host;
this.port = port;
this.bindAddress = validateBindAddress(bindAddress);
this.sslConfig = validateSSLConfig(sslConfig);
}
/**
* Constructs a DistributionLocatorId with the given port. The host will be set to the local host.
*/
public DistributionLocatorId(int port, String bindAddress) {
this(port, bindAddress, null);
}
public DistributionLocatorId(int port, String bindAddress, String hostnameForClients) {
try {
this.host = SocketCreator.getLocalHost();
} catch (UnknownHostException ex) {
throw new InternalGemFireException(
LocalizedStrings.DistributionLocatorId_FAILED_GETTING_LOCAL_HOST.toLocalizedString(), ex);
}
this.port = port;
this.bindAddress = validateBindAddress(bindAddress);
this.sslConfig = validateSSLConfig(null);
this.hostnameForClients = hostnameForClients;
}
public DistributionLocatorId(InetAddress host, int port, String bindAddress, SSLConfig sslConfig,
String hostnameForClients) {
this.host = host;
this.port = port;
this.bindAddress = validateBindAddress(bindAddress);
this.sslConfig = validateSSLConfig(sslConfig);
this.hostnameForClients = hostnameForClients;
}
/**
* Constructs a DistributionLocatorId with a String of the form: hostname[port] or
* hostname:bindaddress[port] or hostname@bindaddress[port]
* <p>
* The :bindaddress portion is optional. hostname[port] is the more common form.
* <p>
* Example: merry.gemstone.com[7056]<br>
* Example w/ bind address: merry.gemstone.com:81.240.0.1[7056], or
* merry.gemstone.com@fdf0:76cf:a0ed:9449::16[7056]
* <p>
* Use bindaddress[port] or hostname[port]. This object doesn't need to differentiate between the
* two.
*/
public DistributionLocatorId(String marshalled) {
final int portStartIdx = marshalled.indexOf('[');
final int portEndIdx = marshalled.indexOf(']');
if (portStartIdx < 0 || portEndIdx < portStartIdx) {
throw new IllegalArgumentException(
LocalizedStrings.DistributionLocatorId__0_IS_NOT_IN_THE_FORM_HOSTNAMEPORT
.toLocalizedString(marshalled));
}
int bindIdx = marshalled.lastIndexOf('@');
if (bindIdx < 0) {
bindIdx = marshalled.lastIndexOf(':');
}
String hostname = marshalled.substring(0, bindIdx > -1 ? bindIdx : portStartIdx);
if (hostname.indexOf(':') >= 0) {
bindIdx = marshalled.lastIndexOf('@');
hostname = marshalled.substring(0, bindIdx > -1 ? bindIdx : portStartIdx);
}
try {
this.host = InetAddress.getByName(hostname);
} catch (UnknownHostException ex) {
throw new InternalGemFireException(
LocalizedStrings.DistributionLocatorId_FAILED_GETTING_HOST_FROM_NAME_0
.toLocalizedString(hostname));
}
try {
this.port = Integer.parseInt(marshalled.substring(portStartIdx + 1, portEndIdx));
} catch (NumberFormatException nfe) {
throw new IllegalArgumentException(
LocalizedStrings.DistributionLocatorId_0_DOES_NOT_CONTAIN_A_VALID_PORT_NUMBER
.toLocalizedString(marshalled));
}
if (bindIdx > -1) {
// found a bindaddress
this.bindAddress = validateBindAddress(marshalled.substring(bindIdx + 1, portStartIdx));
} else {
this.bindAddress = validateBindAddress(DistributionConfig.DEFAULT_BIND_ADDRESS);
}
this.sslConfig = validateSSLConfig(null);
int optionsIndex = marshalled.indexOf(',');
if (optionsIndex > 0) {
String[] options = marshalled.substring(optionsIndex).split(",");
for (int i = 0; i < options.length; i++) {
String[] optionFields = options[i].split("=");
if (optionFields.length == 2) {
if (optionFields[0].equalsIgnoreCase("peer")) {
// this setting is deprecated
// this.peerLocator = Boolean.valueOf(optionFields[1]).booleanValue();
} else if (optionFields[0].equalsIgnoreCase("server")) {
// this setting is deprecated
// this.serverLocator = Boolean.valueOf(optionFields[1]).booleanValue();
} else if (optionFields[0].equalsIgnoreCase("hostname-for-clients")) {
this.hostnameForClients = optionFields[1];
} else {
throw new IllegalArgumentException(marshalled + " invalid option " + optionFields[0]
+ ". valid options are \"peer\", \"server\" and \"hostname-for-clients\"");
}
}
}
}
}
public DistributionLocatorId(InetAddress address, Locator locator) {
this(address, locator.getPort(),
locator.getBindAddress() == null ? null : locator.getBindAddress().getHostAddress(), null,
locator.getHostnameForClients());
}
/**
* Returns marshaled string that is compatible as input for
* {@link #DistributionLocatorId(String)}.
*/
public String marshal() {
StringBuilder sb = new StringBuilder();
sb.append(this.host.getHostAddress());
if (!this.bindAddress.isEmpty()) {
if (this.bindAddress.contains(":")) {
sb.append('@');
} else {
sb.append(':');
}
sb.append(this.bindAddress);
}
sb.append('[').append(this.port).append(']');
return sb.toString();
}
private SSLConfig validateSSLConfig(SSLConfig sslConfig) {
if (sslConfig == null)
return new SSLConfig(); // uses defaults
return sslConfig;
}
public SSLConfig getSSLConfig() {
return this.sslConfig;
}
public void setSSLConfig(SSLConfig sslConfig) {
this.sslConfig = validateSSLConfig(sslConfig);
}
/** Returns the communication port. */
public int getPort() {
return this.port;
}
/** Returns the host. */
public InetAddress getHost() {
return this.host;
}
/** Returns true if this is a multicast address:port */
public boolean isMcastId() {
return this.host.isMulticastAddress();
}
/**
* Returns the bindAddress; value is "" unless host has multiple network interfaces.
*/
public String getBindAddress() {
return this.bindAddress;
}
/**
* @since GemFire 5.7
*/
public String getHostnameForClients() {
return this.hostnameForClients;
}
// private String hostNameToString() {
// if (this.host.isMulticastAddress()) {
// return this.host.getHostAddress();
// } else {
// return this.host.getHostName();
// }
// }
/** Returns the default bindAddress if bindAddress is null. */
private String validateBindAddress(String bindAddress) {
if (bindAddress == null) {
return DistributionConfig.DEFAULT_BIND_ADDRESS;
}
return bindAddress;
}
/**
* Returns a string representation of the object.
*
* @return a string representation of the object
*/
@Override
public String toString() {
StringBuffer sb = new StringBuffer();
// If hostnameForClients is set, use that
if (this.hostnameForClients != null && this.hostnameForClients.length() > 0) {
sb.append(this.hostnameForClients);
} else if (this.bindAddress != null && this.bindAddress.length() > 0) {
// if bindAddress then use that instead of host...
sb.append(this.bindAddress);
} else {
if (isMcastId()) {
sb.append(this.host.getHostAddress());
} else {
sb.append(SocketCreator.getHostName(this.host));
}
}
sb.append("[").append(this.port).append("]");
return sb.toString();
}
/**
* Indicates whether some other object is "equal to" this one.
*
* @param other the reference object with which to compare.
* @return true if this object is the same as the obj argument; false otherwise.
*/
@Override
public boolean equals(Object other) {
if (other == this)
return true;
if (other == null)
return false;
if (!(other instanceof DistributionLocatorId))
return false;
final DistributionLocatorId that = (DistributionLocatorId) other;
if (this.host != that.host && !(this.host != null && this.host.equals(that.host)))
return false;
if (this.port != that.port)
return false;
if (!StringUtils.equals(this.bindAddress, that.bindAddress))
return false;
return true;
}
/**
* Returns a hash code for the object. This method is supported for the benefit of hashtables such
* as those provided by java.util.Hashtable.
*
* @return the integer 0 if description is null; otherwise a unique integer.
*/
@Override
public int hashCode() {
int result = 17;
final int mult = 37;
result = mult * result + (this.host == null ? 0 : this.host.hashCode());
result = mult * result + this.port;
result = mult * result + (this.bindAddress == null ? 0 : this.bindAddress.hashCode());
return result;
}
/**
* Converts a collection of {@link Locator} instances to a collection of DistributionLocatorId
* instances. Note this will use {@link SocketCreator#getLocalHost()} as the host for
* DistributionLocatorId. This is because all instances of Locator are local only.
*
* @param locators collection of Locator instances
* @return collection of DistributionLocatorId instances
* @throws UnknownHostException
* @see Locator
*/
public static Collection<DistributionLocatorId> asDistributionLocatorIds(
Collection<Locator> locators) throws UnknownHostException {
if (locators.isEmpty()) {
return Collections.emptyList();
}
Collection<DistributionLocatorId> locatorIds = new ArrayList<DistributionLocatorId>();
for (Locator locator : locators) {
DistributionLocatorId locatorId =
new DistributionLocatorId(SocketCreator.getLocalHost(), locator);
locatorIds.add(locatorId);
}
return locatorIds;
}
/**
* Marshals a collection of {@link Locator} instances to a collection of DistributionLocatorId
* instances. Note this will use {@link SocketCreator#getLocalHost()} as the host for
* DistributionLocatorId. This is because all instances of Locator are local only.
*
* @param locatorIds collection of DistributionLocatorId instances
* @return collection of String instances
* @see #marshal()
*/
public static Collection<String> asStrings(Collection<DistributionLocatorId> locatorIds) {
if (locatorIds.isEmpty()) {
return Collections.emptyList();
}
Collection<String> strings = new ArrayList<String>();
for (DistributionLocatorId locatorId : locatorIds) {
strings.add(locatorId.marshal());
}
return strings;
}
}