| /* |
| * 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.rocketmq.remoting.api.channel; |
| |
| import java.net.InetSocketAddress; |
| import java.net.SocketAddress; |
| import org.apache.rocketmq.remoting.api.command.RemotingCommand; |
| |
| public interface RemotingChannel { |
| /** |
| * Returns the local address where this {@code RemotingChannel} is bound to. The returned |
| * {@link SocketAddress} is supposed to be down-cast into more concrete |
| * type such as {@link InetSocketAddress} to retrieve the detailed |
| * information. |
| * |
| * @return the local address of this channel. |
| * {@code null} if this channel is not bound. |
| */ |
| SocketAddress localAddress(); |
| |
| /** |
| * Returns the remote address where this {@code RemotingChannel} is connected to. The |
| * returned {@link SocketAddress} is supposed to be down-cast into more |
| * concrete type such as {@link InetSocketAddress} to retrieve the detailed |
| * information. |
| * |
| * @return the remote address of this channel. |
| * {@code null} if this channel is not connected. |
| */ |
| SocketAddress remoteAddress(); |
| |
| /** |
| * Returns {@code true} if and only if the I/O thread will perform the |
| * requested write operation immediately. Any write requests made when |
| * this method returns {@code false} are queued until the I/O thread is |
| * ready to process the queued write requests. |
| */ |
| boolean isWritable(); |
| |
| /** |
| * Returns {@code true} if the {@code RemotingChannel} is active and so connected. |
| */ |
| boolean isActive(); |
| |
| /** |
| * Requests to close the {@code RemotingChannel} immediately. |
| */ |
| void close(); |
| |
| /** |
| * Writes a response {@code RemotingCommand} to remote. |
| * |
| * @param command the response command |
| */ |
| void reply(RemotingCommand command); |
| |
| /** |
| * Writes a response {@code ChunkRegion} to remote. |
| * |
| * @param fileRegion the response chunk file region |
| */ |
| void reply(ChunkRegion fileRegion); |
| } |