org.apache.mina.transport.socket.nio.NioDatagramSession Maven / Gradle / Ivy
/**
* Copyright 2007-2015, Kaazing Corporation. 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 org.apache.mina.transport.socket.nio;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.nio.channels.DatagramChannel;
import java.nio.channels.SelectionKey;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.filterchain.DefaultIoFilterChain;
import org.apache.mina.core.filterchain.IoFilterChain;
import org.apache.mina.core.service.DefaultTransportMetadata;
import org.apache.mina.core.service.IoHandler;
import org.apache.mina.core.service.IoProcessor;
import org.apache.mina.core.service.IoService;
import org.apache.mina.core.service.TransportMetadata;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.transport.socket.DatagramSessionConfig;
/**
* An {@link IoSession} for datagram transport (UDP/IP).
*
* @author Apache MINA Project
*/
class NioDatagramSession extends NioSession {
static final TransportMetadata METADATA =
new DefaultTransportMetadata(
"nio", "datagram", true, false,
InetSocketAddress.class,
DatagramSessionConfig.class, IoBuffer.class);
private final IoService service;
private final DatagramSessionConfig config;
private final IoFilterChain filterChain = new DefaultIoFilterChain(this);
private final DatagramChannel ch;
private final IoHandler handler;
private final InetSocketAddress localAddress;
private final InetSocketAddress remoteAddress;
private final IoProcessor processor;
private SelectionKey key;
/**
* Creates a new acceptor-side session instance.
*/
NioDatagramSession(IoService service,
DatagramChannel ch, IoProcessor processor,
SocketAddress remoteAddress) {
this.service = service;
this.ch = ch;
this.config = new NioDatagramSessionConfig(ch);
this.handler = service.getHandler();
this.processor = processor;
this.remoteAddress = (InetSocketAddress) remoteAddress;
this.localAddress = (InetSocketAddress) ch.socket().getLocalSocketAddress();
}
/**
* Creates a new connector-side session instance.
*/
NioDatagramSession(IoService service,
DatagramChannel ch, IoProcessor processor) {
this(service, ch, processor, ch.socket().getRemoteSocketAddress());
}
public IoService getService() {
return service;
}
@Override
public IoProcessor getProcessor() {
return processor;
}
public DatagramSessionConfig getConfig() {
return config;
}
public IoFilterChain getFilterChain() {
return filterChain;
}
@Override
DatagramChannel getChannel() {
return ch;
}
@Override
SelectionKey getSelectionKey() {
return key;
}
@Override
void setSelectionKey(SelectionKey key) {
this.key = key;
}
public IoHandler getHandler() {
return handler;
}
public TransportMetadata getTransportMetadata() {
return METADATA;
}
public InetSocketAddress getRemoteAddress() {
return remoteAddress;
}
public InetSocketAddress getLocalAddress() {
return localAddress;
}
@Override
public InetSocketAddress getServiceAddress() {
return (InetSocketAddress) super.getServiceAddress();
}
}