2 * Copyright (c) 2010-2023 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.oppo.internal.communication;
15 import java.io.DataInputStream;
16 import java.io.DataOutputStream;
17 import java.io.IOException;
18 import java.io.InputStream;
19 import java.net.Socket;
20 import java.net.SocketTimeoutException;
22 import org.eclipse.jdt.annotation.NonNullByDefault;
23 import org.eclipse.jdt.annotation.Nullable;
24 import org.openhab.binding.oppo.internal.OppoException;
25 import org.slf4j.Logger;
26 import org.slf4j.LoggerFactory;
29 * Class for communicating with the Oppo player directly or through a serial over IP connection
31 * @author Laurent Garnier - Initial contribution
32 * @author Michael Lobstein - Adapted for the Oppo binding
35 public class OppoIpConnector extends OppoConnector {
36 private final Logger logger = LoggerFactory.getLogger(OppoIpConnector.class);
38 private final @Nullable String address;
39 private final int port;
40 private final String uid;
42 private @Nullable Socket clientSocket;
47 * @param address the IP address of the player or serial over ip adapter
48 * @param port the TCP port to be used
49 * @param uid the thing uid string
51 public OppoIpConnector(@Nullable String address, int port, String uid) {
52 this.address = address;
58 public synchronized void open() throws OppoException {
59 logger.debug("Opening IP connection on IP {} port {}", this.address, this.port);
61 Socket clientSocket = new Socket(this.address, this.port);
62 clientSocket.setSoTimeout(100);
64 dataOut = new DataOutputStream(clientSocket.getOutputStream());
65 dataIn = new DataInputStream(clientSocket.getInputStream());
67 Thread thread = new OppoReaderThread(this, this.uid, this.address + ":" + this.port);
68 setReaderThread(thread);
71 this.clientSocket = clientSocket;
75 logger.debug("IP connection opened");
76 } catch (IOException | SecurityException | IllegalArgumentException e) {
78 throw new OppoException("Opening IP connection failed: " + e.getMessage(), e);
83 public synchronized void close() {
84 logger.debug("Closing IP connection");
86 Socket clientSocket = this.clientSocket;
87 if (clientSocket != null) {
90 } catch (IOException e) {
92 this.clientSocket = null;
95 logger.debug("IP connection closed");
99 * Reads some number of bytes from the input stream and stores them into the buffer array b. The number of bytes
100 * actually read is returned as an integer.
101 * In case of socket timeout, the returned value is 0.
103 * @param dataBuffer the buffer into which the data is read.
105 * @return the total number of bytes read into the buffer, or -1 if there is no more data because the end of the
106 * stream has been reached.
108 * @throws OppoException - If the input stream is null, if the first byte cannot be read for any reason
109 * other than the end of the file, if the input stream has been closed, or if some other I/O error
113 protected int readInput(byte[] dataBuffer) throws OppoException {
114 InputStream dataIn = this.dataIn;
115 if (dataIn == null) {
116 throw new OppoException("readInput failed: input stream is null");
119 return dataIn.read(dataBuffer);
120 } catch (SocketTimeoutException e) {
122 } catch (IOException e) {
123 throw new OppoException("readInput failed: " + e.getMessage(), e);