| /* |
| * 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.dubbo.remoting.transport.grizzly; |
| |
| import org.apache.dubbo.common.URL; |
| import org.apache.dubbo.common.logger.Logger; |
| import org.apache.dubbo.common.logger.LoggerFactory; |
| import org.apache.dubbo.remoting.ChannelHandler; |
| import org.apache.dubbo.remoting.RemotingException; |
| import org.apache.dubbo.remoting.transport.AbstractChannel; |
| |
| import org.glassfish.grizzly.Connection; |
| import org.glassfish.grizzly.Grizzly; |
| import org.glassfish.grizzly.GrizzlyFuture; |
| import org.glassfish.grizzly.attributes.Attribute; |
| |
| import java.net.InetSocketAddress; |
| import java.util.concurrent.TimeUnit; |
| import java.util.concurrent.TimeoutException; |
| |
| import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_TIMEOUT; |
| import static org.apache.dubbo.common.constants.CommonConstants.TIMEOUT_KEY; |
| |
| /** |
| * GrizzlyChannel |
| * |
| * |
| */ |
| final class GrizzlyChannel extends AbstractChannel { |
| |
| private static final Logger logger = LoggerFactory.getLogger(GrizzlyChannel.class); |
| |
| private static final String CHANNEL_KEY = GrizzlyChannel.class.getName() + ".CHANNEL"; |
| |
| private static final Attribute<GrizzlyChannel> ATTRIBUTE = Grizzly.DEFAULT_ATTRIBUTE_BUILDER.createAttribute(CHANNEL_KEY); |
| |
| private final Connection<?> connection; |
| |
| /** |
| * @param connection |
| * @param url |
| * @param handler |
| */ |
| private GrizzlyChannel(Connection<?> connection, URL url, ChannelHandler handler) { |
| super(url, handler); |
| if (connection == null) { |
| throw new IllegalArgumentException("grizzly connection == null"); |
| } |
| this.connection = connection; |
| } |
| |
| static GrizzlyChannel getOrAddChannel(Connection<?> connection, URL url, ChannelHandler handler) { |
| if (connection == null) { |
| return null; |
| } |
| GrizzlyChannel ret = ATTRIBUTE.get(connection); |
| if (ret == null) { |
| ret = new GrizzlyChannel(connection, url, handler); |
| if (connection.isOpen()) { |
| ATTRIBUTE.set(connection, ret); |
| } |
| } |
| return ret; |
| } |
| |
| static void removeChannelIfDisconnected(Connection<?> connection) { |
| if (connection != null && !connection.isOpen()) { |
| ATTRIBUTE.remove(connection); |
| } |
| } |
| |
| @Override |
| public InetSocketAddress getRemoteAddress() { |
| return (InetSocketAddress) connection.getPeerAddress(); |
| } |
| |
| @Override |
| public boolean isConnected() { |
| return connection.isOpen(); |
| } |
| |
| @Override |
| public InetSocketAddress getLocalAddress() { |
| return (InetSocketAddress) connection.getLocalAddress(); |
| } |
| |
| @Override |
| @SuppressWarnings("rawtypes") |
| public void send(Object message, boolean sent) throws RemotingException { |
| super.send(message, sent); |
| |
| int timeout = 0; |
| try { |
| GrizzlyFuture future = connection.write(message); |
| if (sent) { |
| timeout = getUrl().getPositiveParameter(TIMEOUT_KEY, DEFAULT_TIMEOUT); |
| future.get(timeout, TimeUnit.MILLISECONDS); |
| } |
| } catch (TimeoutException e) { |
| throw new RemotingException(this, "Failed to send message " + message + " to " + getRemoteAddress() |
| + "in timeout(" + timeout + "ms) limit", e); |
| } catch (Throwable e) { |
| throw new RemotingException(this, "Failed to send message " + message + " to " + getRemoteAddress() + ", cause: " + e.getMessage(), e); |
| } |
| } |
| |
| @Override |
| public void close() { |
| try { |
| super.close(); |
| } catch (Exception e) { |
| logger.warn(e.getMessage(), e); |
| } |
| try { |
| removeChannelIfDisconnected(connection); |
| } catch (Exception e) { |
| logger.warn(e.getMessage(), e); |
| } |
| try { |
| if (logger.isInfoEnabled()) { |
| logger.info("Close grizzly channel " + connection); |
| } |
| connection.close(); |
| } catch (Exception e) { |
| logger.warn(e.getMessage(), e); |
| } |
| } |
| |
| @Override |
| public boolean hasAttribute(String key) { |
| return getAttribute(key) == null; |
| } |
| |
| @Override |
| public Object getAttribute(String key) { |
| return Grizzly.DEFAULT_ATTRIBUTE_BUILDER.createAttribute(key).get(connection); |
| } |
| |
| @Override |
| public void setAttribute(String key, Object value) { |
| Grizzly.DEFAULT_ATTRIBUTE_BUILDER.createAttribute(key).set(connection, value); |
| } |
| |
| @Override |
| public void removeAttribute(String key) { |
| Grizzly.DEFAULT_ATTRIBUTE_BUILDER.createAttribute(key).remove(connection); |
| } |
| |
| @Override |
| public int hashCode() { |
| final int prime = 31; |
| int result = 1; |
| result = prime * result + ((connection == null) ? 0 : connection.hashCode()); |
| return result; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| GrizzlyChannel other = (GrizzlyChannel) obj; |
| if (connection == null) { |
| if (other.connection != null) { |
| return false; |
| } |
| } else if (!connection.equals(other.connection)) { |
| return false; |
| } |
| return true; |
| } |
| |
| @Override |
| public String toString() { |
| return "GrizzlyChannel [connection=" + connection + "]"; |
| } |
| |
| } |