1 // 2 // ======================================================================== 3 // Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd. 4 // ------------------------------------------------------------------------ 5 // All rights reserved. This program and the accompanying materials 6 // are made available under the terms of the Eclipse Public License v1.0 7 // and Apache License v2.0 which accompanies this distribution. 8 // 9 // The Eclipse Public License is available at 10 // http://www.eclipse.org/legal/epl-v10.html 11 // 12 // The Apache License v2.0 is available at 13 // http://www.opensource.org/licenses/apache2.0.php 14 // 15 // You may elect to redistribute this code under either of these licenses. 16 // ======================================================================== 17 // 18 19 package org.eclipse.jetty.server; 20 21 import java.nio.ByteBuffer; 22 23 import org.eclipse.jetty.http.MetaData; 24 import org.eclipse.jetty.util.Callback; 25 26 27 /* ------------------------------------------------------------ */ 28 /** Abstraction of the outbound HTTP transport. 29 */ 30 public interface HttpTransport 31 { 32 void send(MetaData.Response info, boolean head, ByteBuffer content, boolean lastContent, Callback callback); 33 34 boolean isPushSupported(); 35 36 void push(MetaData.Request request); 37 38 void onCompleted(); 39 40 /** 41 * Aborts this transport. 42 * <p> 43 * This method should terminate the transport in a way that 44 * can indicate an abnormal response to the client, for example 45 * by abruptly close the connection. 46 * <p> 47 * This method is called when an error response needs to be sent, 48 * but the response is already committed, or when a write failure 49 * is detected. 50 * 51 * @param failure the failure that caused the abort. 52 */ 53 void abort(Throwable failure); 54 55 /* ------------------------------------------------------------ */ 56 /** Is the underlying transport optimized for DirectBuffer usage 57 * @return True if direct buffers can be used optimally. 58 */ 59 boolean isOptimizedForDirectBuffers(); 60 }