/*
* 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.mina.transport.socket.nio;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.SocketException;
import java.nio.channels.SocketChannel;
import org.apache.mina.core.RuntimeIoException;
import org.apache.mina.core.buffer.IoBuffer;
import org.apache.mina.core.file.FileRegion;
import org.apache.mina.core.filterchain.IoFilter;
import org.apache.mina.core.filterchain.IoFilterChain;
import org.apache.mina.core.service.DefaultTransportMetadata;
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.filter.ssl.SslFilter;
import org.apache.mina.transport.socket.AbstractSocketSessionConfig;
import org.apache.mina.transport.socket.SocketSessionConfig;
/**
* An {@link IoSession} for socket transport (TCP/IP).
*
* @author <a href="http://mina.apache.org">Apache MINA Project</a>
*/
class NioSocketSession extends NioSession {
static final TransportMetadata METADATA = new DefaultTransportMetadata("nio", "socket", false, true,
InetSocketAddress.class, SocketSessionConfig.class, IoBuffer.class, FileRegion.class);
private Socket getSocket() {
return ((SocketChannel) channel).socket();
}
/**
*
* Creates a new instance of NioSocketSession.
*
* @param service the associated IoService
* @param processor the associated IoProcessor
* @param ch the used channel
*/
public NioSocketSession(IoService service, IoProcessor<NioSession> processor, SocketChannel channel) {
super(processor, service, channel);
config = new SessionConfigImpl();
this.config.setAll(service.getSessionConfig());
}
public TransportMetadata getTransportMetadata() {
return METADATA;
}
/**
* {@inheritDoc}
*/
public SocketSessionConfig getConfig() {
return (SocketSessionConfig) config;
}
@Override
SocketChannel getChannel() {
return (SocketChannel) channel;
}
/**
* {@inheritDoc}
*/
public InetSocketAddress getRemoteAddress() {
if (channel == null) {
return null;
}
Socket socket = getSocket();
if (socket == null) {
return null;
}
return (InetSocketAddress) socket.getRemoteSocketAddress();
}
/**
* {@inheritDoc}
*/
public InetSocketAddress getLocalAddress() {
if (channel == null) {
return null;
}
Socket socket = getSocket();
if (socket == null) {
return null;
}
return (InetSocketAddress) socket.getLocalSocketAddress();
}
@Override
public InetSocketAddress getServiceAddress() {
return (InetSocketAddress) super.getServiceAddress();
}
private class SessionConfigImpl extends AbstractSocketSessionConfig {
public boolean isKeepAlive() {
try {
return getSocket().getKeepAlive();
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public void setKeepAlive(boolean on) {
try {
getSocket().setKeepAlive(on);
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public boolean isOobInline() {
try {
return getSocket().getOOBInline();
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public void setOobInline(boolean on) {
try {
getSocket().setOOBInline(on);
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public boolean isReuseAddress() {
try {
return getSocket().getReuseAddress();
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public void setReuseAddress(boolean on) {
try {
getSocket().setReuseAddress(on);
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public int getSoLinger() {
try {
return getSocket().getSoLinger();
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public void setSoLinger(int linger) {
try {
if (linger < 0) {
getSocket().setSoLinger(false, 0);
} else {
getSocket().setSoLinger(true, linger);
}
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public boolean isTcpNoDelay() {
if (!isConnected()) {
return false;
}
try {
return getSocket().getTcpNoDelay();
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public void setTcpNoDelay(boolean on) {
try {
getSocket().setTcpNoDelay(on);
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
/**
* {@inheritDoc}
*/
public int getTrafficClass() {
try {
return getSocket().getTrafficClass();
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
/**
* {@inheritDoc}
*/
public void setTrafficClass(int tc) {
try {
getSocket().setTrafficClass(tc);
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public int getSendBufferSize() {
try {
return getSocket().getSendBufferSize();
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public void setSendBufferSize(int size) {
try {
getSocket().setSendBufferSize(size);
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public int getReceiveBufferSize() {
try {
return getSocket().getReceiveBufferSize();
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
public void setReceiveBufferSize(int size) {
try {
getSocket().setReceiveBufferSize(size);
} catch (SocketException e) {
throw new RuntimeIoException(e);
}
}
}
/**
* {@inheritDoc}
*/
public final boolean isSecured() {
// If the session does not have a SslFilter, we can return false
IoFilterChain chain = getFilterChain();
IoFilter sslFilter = chain.get(SslFilter.class);
if (sslFilter != null) {
// Get the SslHandler from the SslFilter
return ((SslFilter)sslFilter).isSslStarted(this);
} else {
return false;
}
}
}