2 * Sonitus - Icecast2Sink.java - Copyright © 2013 David Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.sonitus.data.sink;
20 import java.io.IOException;
21 import java.io.InputStream;
22 import java.io.OutputStream;
23 import java.io.UnsupportedEncodingException;
24 import java.net.Socket;
25 import java.net.URLEncoder;
26 import java.util.Collections;
27 import java.util.List;
28 import java.util.logging.Level;
29 import java.util.logging.Logger;
31 import net.pterodactylus.sonitus.data.AbstractControlledComponent;
32 import net.pterodactylus.sonitus.data.Controller;
33 import net.pterodactylus.sonitus.data.Metadata;
34 import net.pterodactylus.sonitus.data.Sink;
35 import net.pterodactylus.sonitus.io.InputStreamDrainer;
37 import com.google.common.io.BaseEncoding;
38 import com.google.common.io.Closeables;
41 * {@link net.pterodactylus.sonitus.data.Sink} implementation that delivers all
42 * incoming data to an Icecast2 server.
44 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
46 public class Icecast2Sink extends AbstractControlledComponent implements Sink {
49 private static final Logger logger = Logger.getLogger(Icecast2Sink.class.getName());
51 /** The server name. */
52 private final String server;
54 /** The port number on the server. */
55 private final int port;
57 /** The source password. */
58 private final String password;
60 /** The stream mount point (without leading slash). */
61 private final String mountPoint;
63 /** The name of the server. */
64 private final String serverName;
66 /** The description of the server. */
67 private final String serverDescription;
69 /** The genre of the server. */
70 private final String genre;
72 /** Whether to publish the server. */
73 private final boolean publishServer;
75 /** The output stream to the server. */
76 private OutputStream socketOutputStream;
79 * Creates a new Icecast2 sink.
84 * The hostname of the server
86 * The port number of the server
90 * The stream mount point
92 * The name of the server
93 * @param serverDescription
94 * The description of the server
96 * The genre of the server
97 * @param publishServer
98 * {@code true} to publish the server in a public directory, {@code false} to
101 public Icecast2Sink(String server, int port, String password, String mountPoint, String serverName, String serverDescription, String genre, boolean publishServer) {
102 super(String.format("icecast://%s:%d/%s", server, port, mountPoint));
103 this.server = server;
105 this.password = password;
106 this.mountPoint = mountPoint;
107 this.serverName = serverName;
108 this.serverDescription = serverDescription;
110 this.publishServer = publishServer;
114 // CONTROLLED METHODS
118 public List<Controller<?>> controllers() {
119 return Collections.emptyList();
127 public void open(Metadata metadata) throws IOException {
128 logger.info(String.format("Connecting to %s:%d...", server, port));
129 Socket socket = new Socket(server, port);
130 logger.info("Connected.");
131 socketOutputStream = socket.getOutputStream();
132 InputStream socketInputStream = socket.getInputStream();
134 sendLine(socketOutputStream, String.format("SOURCE /%s ICE/1.0", mountPoint));
135 sendLine(socketOutputStream, String.format("Authorization: Basic %s", generatePassword(password)));
136 sendLine(socketOutputStream, String.format("Content-Type: %s", getContentType(metadata)));
137 sendLine(socketOutputStream, String.format("ICE-Name: %s", serverName));
138 sendLine(socketOutputStream, String.format("ICE-Description: %s", serverDescription));
139 sendLine(socketOutputStream, String.format("ICE-Genre: %s", genre));
140 sendLine(socketOutputStream, String.format("ICE-Public: %d", publishServer ? 1 : 0));
141 sendLine(socketOutputStream, "");
142 socketOutputStream.flush();
144 new Thread(new InputStreamDrainer(socketInputStream)).start();
146 metadataUpdated(metadata);
150 public void close() {
152 Closeables.close(socketOutputStream, true);
153 } catch (IOException e) {
154 /* will never throw. */
159 public void metadataUpdated(final Metadata metadata) {
160 super.metadataUpdated(metadata);
161 new Thread(new Runnable() {
165 String metadataString = String.format("%s (%s)", metadata.title(), "Sonitus");
166 logger.info(String.format("Updating metadata to %s", metadataString));
168 Socket socket = null;
169 OutputStream socketOutputStream = null;
171 socket = new Socket(server, port);
172 socketOutputStream = socket.getOutputStream();
174 sendLine(socketOutputStream, String.format("GET /admin/metadata?pass=%s&mode=updinfo&mount=/%s&song=%s HTTP/1.0", password, mountPoint, URLEncoder.encode(metadataString, "UTF-8")));
175 sendLine(socketOutputStream, String.format("Authorization: Basic %s", generatePassword(password)));
176 sendLine(socketOutputStream, String.format("User-Agent: Mozilla/Sonitus"));
177 sendLine(socketOutputStream, "");
178 socketOutputStream.flush();
180 new InputStreamDrainer(socket.getInputStream()).run();
181 } catch (IOException ioe1) {
182 logger.log(Level.WARNING, "Could not update metadata!", ioe1);
185 Closeables.close(socketOutputStream, true);
186 if (socket != null) {
189 } catch (IOException ioe1) {
198 public void process(byte[] buffer) throws IOException {
199 socketOutputStream.write(buffer);
200 socketOutputStream.flush();
208 * Sends the given line, followed by CR+LF, to the given output stream,
209 * encoding the complete line as UTF-8.
211 * @param outputStream
212 * The output stream to send the line to
215 * @throws java.io.IOException
216 * if an I/O error occurs
218 private static void sendLine(OutputStream outputStream, String line) throws IOException {
219 outputStream.write((line + "\r\n").getBytes("UTF-8"));
223 * Generates the Base64-encoded authorization information from the given
224 * password. A fixed username of “source” is used.
227 * The password to encode
228 * @return The encoded password
229 * @throws java.io.UnsupportedEncodingException
230 * if the UTF-8 encoding is not supported (which can never happen)
232 private static String generatePassword(String password) throws UnsupportedEncodingException {
233 return BaseEncoding.base64().encode(("source:" + password).getBytes("UTF-8"));
237 * Returns a MIME type for the given metadata. Currently only Vorbis, MP3, PCM,
238 * Ogg Vorbis, Opus, and FLAC formats are recognized.
241 * The metadata to get a MIME type for
242 * @return The MIME type of the metadata
244 private static String getContentType(Metadata metadata) {
245 String encoding = metadata.encoding();
246 if ("Vorbis".equalsIgnoreCase(encoding)) {
249 if ("MP3".equalsIgnoreCase(encoding)) {
252 if ("PCM".equalsIgnoreCase(encoding)) {
253 return "audio/vnd.wave";
255 if ("Vorbis".equalsIgnoreCase(encoding)) {
256 return "application/ogg";
258 if ("Opus".equalsIgnoreCase(encoding)) {
259 return "audio/ogg; codecs=opus";
261 if ("FLAC".equalsIgnoreCase(encoding)) {
264 return "application/octet-stream";