Java tutorial
/* * Copyright (c) 2012-2015 The original author or authors * ------------------------------------------------------ * All rights reserved. This program and the accompanying materials * are made available under the terms of the Eclipse Public License v1.0 * and Apache License v2.0 which accompanies this distribution. * * The Eclipse Public License is available at * http://www.eclipse.org/legal/epl-v10.html * * The Apache License v2.0 is available at * http://www.opensource.org/licenses/apache2.0.php * * You may elect to redistribute this code under either of these licenses. */ package io.moquette.server.netty; import io.moquette.server.Constants; import io.moquette.server.ServerChannel; import io.netty.channel.ChannelHandlerContext; import io.netty.handler.timeout.IdleStateHandler; import io.netty.util.Attribute; import io.netty.util.AttributeKey; /** * * @author andrea */ public class NettyChannel implements ServerChannel { private ChannelHandlerContext m_channel; public static final String ATTR_USERNAME = "username"; public static final String ATTR_SESSION_STOLEN = "sessionStolen"; public static final String ATTR_ANONYMOUS = "anonymous"; public static final AttributeKey<Object> ATTR_KEY_KEEPALIVE = AttributeKey.valueOf(Constants.KEEP_ALIVE); public static final AttributeKey<Object> ATTR_KEY_CLEANSESSION = AttributeKey.valueOf(Constants.CLEAN_SESSION); public static final AttributeKey<Object> ATTR_KEY_CLIENTID = AttributeKey.valueOf(Constants.ATTR_CLIENTID); public static final AttributeKey<Object> ATTR_KEY_USERNAME = AttributeKey.valueOf(ATTR_USERNAME); public static final AttributeKey<Object> ATTR_KEY_SESSION_STOLEN = AttributeKey.valueOf(ATTR_SESSION_STOLEN); public static final AttributeKey<Object> ATTR_KEY_ANONYMOUS_ACCESS = AttributeKey.valueOf(ATTR_ANONYMOUS); NettyChannel(ChannelHandlerContext ctx) { m_channel = ctx; } public Object getAttribute(AttributeKey<Object> key) { Attribute<Object> attr = m_channel.attr(key); return attr.get(); } public void setAttribute(AttributeKey<Object> key, Object value) { Attribute<Object> attr = m_channel.attr(key); attr.set(value); } public void setIdleTime(int idleTime) { if (m_channel.pipeline().names().contains("idleStateHandler")) { m_channel.pipeline().remove("idleStateHandler"); } m_channel.pipeline().addFirst("idleStateHandler", new IdleStateHandler(0, 0, idleTime)); } public void close(boolean immediately) { m_channel.close(); } public void write(Object value) { m_channel.writeAndFlush(value); } @Override public String toString() { String clientID = (String) getAttribute(ATTR_KEY_CLIENTID); return "session [clientID: " + clientID + "]" + super.toString(); } }