/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* 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.hazelcast.config;
import com.hazelcast.util.StringUtil;
import java.util.Collection;
import java.util.HashSet;
/**
* Contains configuration for Network.
*/
public class NetworkConfig {
/**
* Default value of port number
*/
public static final int DEFAULT_PORT = 5701;
private static final int PORT_MAX = 0xFFFF;
private static final int PORT_AUTO_INCREMENT = 100;
private int port = DEFAULT_PORT;
private int portCount = PORT_AUTO_INCREMENT;
private boolean portAutoIncrement = true;
private boolean reuseAddress;
private String publicAddress;
private Collection<String> outboundPortDefinitions;
private Collection<Integer> outboundPorts;
private InterfacesConfig interfaces = new InterfacesConfig();
private JoinConfig join = new JoinConfig();
private SymmetricEncryptionConfig symmetricEncryptionConfig;
private SocketInterceptorConfig socketInterceptorConfig;
private SSLConfig sslConfig;
public NetworkConfig() {
String os = StringUtil.lowerCaseInternal(System.getProperty("os.name"));
reuseAddress = (!os.contains("win"));
}
/**
* Returns the port the Hazelcast member will try to bind on.
* A port number of 0 will let the system pick up an ephemeral port.
*
* @return the port the Hazelcast member will try to bind on
* @see #setPort(int)
*/
public int getPort() {
return port;
}
/**
* Sets the port the Hazelcast member will try to bind on.
*
* A valid port value is between 0 and 65535.
* A port number of 0 will let the system pick up an ephemeral port.
*
* @param port the port the Hazelcast member will try to bind on
* @return NetworkConfig the updated NetworkConfig
* @see #getPort()
* @see #setPortAutoIncrement(boolean) for more information.
*/
public NetworkConfig setPort(int port) {
if (port < 0 || port > PORT_MAX) {
throw new IllegalArgumentException("Port out of range: " + port + ". Allowed range [0,65535]");
}
this.port = port;
return this;
}
/**
* Returns the maximum number of ports allowed to try to bind on.
*
* @return the maximum number of ports allowed to try to bind on
* @see #setPortCount(int)
* @see #setPortAutoIncrement(boolean) for more information.
*/
public int getPortCount() {
return portCount;
}
/**
* The maximum number of ports allowed to use.
*
* @param portCount the maximum number of ports allowed to use.
* @see #setPortAutoIncrement(boolean) for more information.
*/
public void setPortCount(int portCount) {
if (portCount < 1) {
throw new IllegalArgumentException("port count can't be smaller than 0");
}
this.portCount = portCount;
}
/**
* Checks if a Hazelcast member is allowed find a free port by incrementing the port number when it encounters
* an occupied port.
*
* @return the portAutoIncrement
* @see #setPortAutoIncrement(boolean)
*/
public boolean isPortAutoIncrement() {
return portAutoIncrement;
}
/**
* Sets if a Hazelcast member is allowed to find a free port by incrementing the port number when it encounters
* an occupied port.
* <p/>
* If you explicitly want to control the port a Hazelcast member is going to use, you probably want to set
* portAutoincrement to false. In this case, the Hazelcast member is going to try the port {@link #setPort(int)}
* and if the port is not free, the member will not start and throw an exception.
* <p/>
* If this value is set to true, Hazelcast will start at the port specified by {@link #setPort(int)} and will try
* until it finds a free port, or until it runs out of ports to try {@link #setPortCount(int)}.
*
* @param portAutoIncrement the portAutoIncrement to set
* @return the updated NetworkConfig
* @see #isPortAutoIncrement()
* @see #setPortCount(int)
* @see #setPort(int)
*/
public NetworkConfig setPortAutoIncrement(boolean portAutoIncrement) {
this.portAutoIncrement = portAutoIncrement;
return this;
}
public boolean isReuseAddress() {
return reuseAddress;
}
/**
* Sets the reuse address.
*
* When should setReuseAddress(true) be used?
*
* When the member is shutdown, the server socket port will be in TIME_WAIT state for the next 2 minutes or so. If you
* start the member right after shutting it down, you may not be able to bind to the same port because it is in TIME_WAIT
* state. if you set reuseAddress=true then TIME_WAIT will be ignored and you will be able to bind to the same port again.
*
* This property should not be set to true on the Windows platform: see
* <ol>
* <li>http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6421091</li>
* <li>http://www.hsc.fr/ressources/articles/win_net_srv/multiple_bindings.html</li>
* </ol>
* By default, if the OS is Windows then reuseAddress will be false.
*/
public NetworkConfig setReuseAddress(boolean reuseAddress) {
this.reuseAddress = reuseAddress;
return this;
}
public Collection<String> getOutboundPortDefinitions() {
return outboundPortDefinitions;
}
public NetworkConfig setOutboundPortDefinitions(final Collection<String> outboundPortDefs) {
this.outboundPortDefinitions = outboundPortDefs;
return this;
}
public NetworkConfig addOutboundPortDefinition(String portDef) {
if (outboundPortDefinitions == null) {
outboundPortDefinitions = new HashSet<String>();
}
outboundPortDefinitions.add(portDef);
return this;
}
public Collection<Integer> getOutboundPorts() {
return outboundPorts;
}
public NetworkConfig setOutboundPorts(final Collection<Integer> outboundPorts) {
this.outboundPorts = outboundPorts;
return this;
}
public NetworkConfig addOutboundPort(int port) {
if (outboundPorts == null) {
outboundPorts = new HashSet<Integer>();
}
outboundPorts.add(port);
return this;
}
/**
* @return the interfaces
*/
public InterfacesConfig getInterfaces() {
return interfaces;
}
/**
* @param interfaces the interfaces to set
*/
public NetworkConfig setInterfaces(final InterfacesConfig interfaces) {
this.interfaces = interfaces;
return this;
}
/**
* Returns the {@link JoinConfig}.
*
* @return the join
*/
public JoinConfig getJoin() {
return join;
}
/**
* @param join the join to set
*/
public NetworkConfig setJoin(final JoinConfig join) {
this.join = join;
return this;
}
public String getPublicAddress() {
return publicAddress;
}
/**
* Overrides the public address of a member.
* Behind a NAT, two endpoints may not be able to see/access each other.
* If both nodes set their public addresses to their defined addresses on NAT, then that way
* they can communicate with each other.
* It should be set in the format “host IP address:port number”.
*/
public NetworkConfig setPublicAddress(String publicAddress) {
this.publicAddress = publicAddress;
return this;
}
/**
* Gets the {@link SocketInterceptorConfig}. The value can be null if no socket interception is needed.
*
* @return the SocketInterceptorConfig
* @see #setSocketInterceptorConfig(SocketInterceptorConfig)
*/
public SocketInterceptorConfig getSocketInterceptorConfig() {
return socketInterceptorConfig;
}
/**
* Sets the {@link SocketInterceptorConfig}. The value can be null if no socket interception is needed.
*
* @param socketInterceptorConfig the SocketInterceptorConfig to set
* @return the updated NetworkConfig
*/
public NetworkConfig setSocketInterceptorConfig(SocketInterceptorConfig socketInterceptorConfig) {
this.socketInterceptorConfig = socketInterceptorConfig;
return this;
}
/**
* Gets the {@link SymmetricEncryptionConfig}. The value can be null which means that no symmetric encryption should
* be used.
*
* @return the SymmetricEncryptionConfig
*/
public SymmetricEncryptionConfig getSymmetricEncryptionConfig() {
return symmetricEncryptionConfig;
}
/**
* Sets the {@link SymmetricEncryptionConfig}. The value can be null if no symmetric encryption should be used.
*
* @param symmetricEncryptionConfig the SymmetricEncryptionConfig to set
* @return the updated NetworkConfig.
* @see #getSymmetricEncryptionConfig()
*/
public NetworkConfig setSymmetricEncryptionConfig(final SymmetricEncryptionConfig symmetricEncryptionConfig) {
this.symmetricEncryptionConfig = symmetricEncryptionConfig;
return this;
}
/**
* Returns the current {@link SSLConfig}. It is possible that null is returned if no SSLConfig has been
* set.
*
* @return the SSLConfig.
* @see #setSSLConfig(SSLConfig)
*/
public SSLConfig getSSLConfig() {
return sslConfig;
}
/**
* Sets the {@link SSLConfig}. null value indicates that no SSLConfig should be used.
*
* @param sslConfig the SSLConfig.
* @return the updated NetworkConfig.
* @see #getSSLConfig()
*/
public NetworkConfig setSSLConfig(SSLConfig sslConfig) {
this.sslConfig = sslConfig;
return this;
}
@Override
public String toString() {
return "NetworkConfig{"
+ "publicAddress='" + publicAddress + '\''
+ ", port=" + port
+ ", portCount=" + portCount
+ ", portAutoIncrement=" + portAutoIncrement
+ ", join=" + join
+ ", interfaces=" + interfaces
+ ", sslConfig=" + sslConfig
+ ", socketInterceptorConfig=" + socketInterceptorConfig
+ ", symmetricEncryptionConfig=" + symmetricEncryptionConfig
+ '}';
}
}