2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2016-2018 Ericsson. All rights reserved.
4 * Modifications Copyright (C) 2020 Nordix Foundation.
5 * ================================================================================
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
18 * SPDX-License-Identifier: Apache-2.0
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.apex.core.infrastructure.messaging.impl.ws.server;
24 import java.net.InetSocketAddress;
26 import org.java_websocket.WebSocket;
27 import org.java_websocket.handshake.ClientHandshake;
28 import org.java_websocket.server.WebSocketServer;
29 import org.slf4j.ext.XLogger;
30 import org.slf4j.ext.XLoggerFactory;
33 * This class is the web socket server specific implementation for Apex.
35 * @author Sajeevan Achuthan (sajeevan.achuthan@ericsson.com)
37 abstract class WebSocketServerImpl extends WebSocketServer {
38 // The logger for this class
39 private static final XLogger LOGGER = XLoggerFactory.getXLogger(MessageServerImpl.class);
42 * Constructor of this class.
44 * @param address host address of the local machine.
46 protected WebSocketServerImpl(final InetSocketAddress address) {
48 LOGGER.entry(address.getAddress().getHostAddress() + ":" + address.getPort());
56 public void onOpen(final WebSocket conn, final ClientHandshake handshake) {
57 LOGGER.entry(conn, handshake);
58 LOGGER.debug("A client connection opened from machine {}.",
59 conn.getRemoteSocketAddress().getAddress().getHostAddress());
67 public void onClose(final WebSocket conn, final int code, final String reason, final boolean remote) {
68 LOGGER.entry(conn, code, remote);
69 LOGGER.debug("A client connection from machine {} closing with code {}.", super.getAddress(), code);
77 public void onError(final WebSocket conn, final Exception ex) {
78 // some errors like port binding failed may not be assignable to a specific web socket
79 LOGGER.error("server error occurred", ex);