001/* 002 * Copyright 2012-2017 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.boot.devtools.tunnel.server; 018 019import java.io.IOException; 020import java.nio.channels.ByteChannel; 021 022/** 023 * Manages the connection to the ultimate tunnel target server. 024 * 025 * @author Phillip Webb 026 * @since 1.3.0 027 */ 028@FunctionalInterface 029public interface TargetServerConnection { 030 031 /** 032 * Open a connection to the target server with the specified timeout. 033 * @param timeout the read timeout 034 * @return a {@link ByteChannel} providing read/write access to the server 035 * @throws IOException in case of I/O errors 036 */ 037 ByteChannel open(int timeout) throws IOException; 038 039}