| /* |
| * 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.vysper.mina; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.mina.core.future.CloseFuture; |
| import org.apache.mina.core.future.IoFuture; |
| import org.apache.mina.core.future.IoFutureListener; |
| import org.apache.mina.core.session.IoSession; |
| import org.apache.mina.filter.ssl.SslFilter; |
| import org.apache.vysper.mina.codec.StanzaWriteInfo; |
| import org.apache.vysper.xmpp.protocol.SessionStateHolder; |
| import org.apache.vysper.xmpp.protocol.StanzaProcessor; |
| import org.apache.vysper.xmpp.server.AbstractSessionContext; |
| import org.apache.vysper.xmpp.server.ServerRuntimeContext; |
| import org.apache.vysper.xmpp.server.SessionState; |
| import org.apache.vysper.xmpp.stanza.Stanza; |
| import org.apache.vysper.xmpp.writer.StanzaWriter; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * connects MINA 2 frontend to the vysper backend |
| * |
| * @author The Apache MINA Project (dev@mina.apache.org) |
| */ |
| public class MinaBackedSessionContext extends AbstractSessionContext implements StanzaWriter, IoFutureListener { |
| |
| final Logger logger = LoggerFactory.getLogger(MinaBackedSessionContext.class); |
| |
| private IoSession minaSession; |
| |
| private boolean openingStanzaWritten = false; |
| |
| private boolean switchToTLS = false; |
| private boolean clientTLS = false; |
| |
| protected CloseFuture closeFuture; |
| |
| public MinaBackedSessionContext(ServerRuntimeContext serverRuntimeContext, StanzaProcessor stanzaProcessor, SessionStateHolder sessionStateHolder, |
| IoSession minaSession) { |
| super(serverRuntimeContext, stanzaProcessor, sessionStateHolder); |
| this.minaSession = minaSession; |
| closeFuture = minaSession.getCloseFuture(); |
| closeFuture.addListener(this); |
| sessionStateHolder.setState(SessionState.INITIATED); // connection established |
| } |
| |
| public StanzaWriter getResponseWriter() { |
| return this; |
| } |
| |
| public void switchToTLS(boolean delayed, boolean clientTls) { |
| this.clientTLS = clientTls; |
| |
| if(delayed) { |
| switchToTLS = true; |
| } else { |
| addSslFilter(); |
| } |
| } |
| |
| public void setIsReopeningXMLStream() { |
| openingStanzaWritten = false; |
| } |
| |
| private void addSslFilter() { |
| |
| minaSession.suspendRead(); |
| minaSession.suspendWrite(); |
| SslFilter filter = new SslFilter(getServerRuntimeContext().getSslContext()); |
| filter.setUseClientMode(clientTLS); |
| minaSession.getFilterChain().addFirst("sslFilter", filter); |
| if(!clientTLS) { |
| minaSession.setAttribute(SslFilter.DISABLE_ENCRYPTION_ONCE, Boolean.TRUE); |
| } |
| minaSession.setAttribute(SslFilter.USE_NOTIFICATION, Boolean.TRUE); |
| minaSession.resumeWrite(); |
| minaSession.resumeRead(); |
| |
| } |
| |
| public void write(Stanza stanza) { |
| if (switchToTLS) { |
| addSslFilter(); |
| switchToTLS = false; |
| } |
| |
| minaSession.write(new StanzaWriteInfo(stanza, !openingStanzaWritten)); |
| openingStanzaWritten = true; |
| } |
| |
| public void close() { |
| logger.info("session will be closed now"); |
| closeFuture.setClosed(); |
| try { |
| // allow some time to flush before closibng |
| if(!minaSession.close(false).await(5000, TimeUnit.MILLISECONDS)) { |
| // no really close if necessary |
| minaSession.close(true); |
| } |
| } catch (InterruptedException e) { |
| // ignore |
| } |
| logger.info("session closed"); |
| } |
| |
| public void operationComplete(IoFuture ioFuture) { |
| // close future notification |
| logger.info("close future called"); |
| } |
| } |