| /* |
| * 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.bio; |
| |
| import java.io.IOException; |
| import java.net.SocketAddress; |
| import java.nio.ByteBuffer; |
| |
| import org.apache.mina.api.IoFuture; |
| import org.apache.mina.api.IoSession; |
| import org.apache.mina.api.IoSessionConfig; |
| import org.apache.mina.service.idlechecker.IdleChecker; |
| import org.apache.mina.session.AbstractIoSession; |
| import org.apache.mina.session.DefaultWriteRequest; |
| import org.apache.mina.session.WriteRequest; |
| |
| /** |
| * A {@link IoSession} for {@link BioUdpServer} |
| * |
| * @author <a href="http://mina.apache.org">Apache MINA Project</a> |
| */ |
| public class BioUdpSession extends AbstractIoSession { |
| |
| private SocketAddress remoteAddress; |
| |
| public BioUdpSession(SocketAddress remoteAddress, BioUdpServer service, IdleChecker idleChecker) { |
| super(service, idleChecker); |
| this.remoteAddress = remoteAddress; |
| } |
| |
| |
| /** |
| * Set this session status as connected. To be called by the processor selecting/polling this session. |
| */ |
| void setConnected() { |
| if (!isCreated()) { |
| throw new IllegalStateException("Trying to open a non created session"); |
| } |
| |
| state = SessionState.CONNECTED; |
| processSessionOpen(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public SocketAddress getRemoteAddress() { |
| return remoteAddress; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public SocketAddress getLocalAddress() { |
| return ((BioUdpServer) getService()).getBoundAddress(); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public IoFuture<Void> close(boolean immediately) { |
| // remove the session of the list of managed sessions |
| ((BioUdpServer) getService()).destroy(this); |
| processSessionClosed(); |
| return null; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void suspendRead() { |
| throw new IllegalStateException("not supported"); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void suspendWrite() { |
| throw new IllegalStateException("not supported"); |
| |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void resumeRead() { |
| throw new IllegalStateException("not supported"); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void resumeWrite() { |
| throw new IllegalStateException("not supported"); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean isReadSuspended() { |
| return false; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean isWriteSuspended() { |
| return false; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public IoSessionConfig getConfig() { |
| return config; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public WriteRequest enqueueWriteRequest(WriteRequest writeRequest) { |
| |
| try { |
| int written = ((BioUdpServer) getService()).channel.send((ByteBuffer) writeRequest.getMessage(), |
| remoteAddress); |
| if (written > 0) { |
| incrementWrittenBytes(written); |
| |
| final Object highLevel = ((DefaultWriteRequest) writeRequest).getOriginalMessage(); |
| |
| if ((highLevel != null) && writeRequest.isConfirmRequested()) { |
| processMessageSent(highLevel); |
| } |
| |
| } else { |
| processException(new RuntimeException("unable to write")); |
| } |
| } catch (IOException e) { |
| processException(e); |
| } |
| |
| return writeRequest; |
| |
| } |
| } |