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.data.event.MetadataUpdated;
36 import net.pterodactylus.sonitus.io.InputStreamDrainer;
38 import com.google.common.eventbus.EventBus;
39 import com.google.common.io.BaseEncoding;
40 import com.google.common.io.Closeables;
43 * {@link net.pterodactylus.sonitus.data.Sink} implementation that delivers all
44 * incoming data to an Icecast2 server.
46 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
48 public class Icecast2Sink extends AbstractControlledComponent implements Sink {
51 private static final Logger logger = Logger.getLogger(Icecast2Sink.class.getName());
54 private final EventBus eventBus;
56 /** The server name. */
57 private final String server;
59 /** The port number on the server. */
60 private final int port;
62 /** The source password. */
63 private final String password;
65 /** The stream mount point (without leading slash). */
66 private final String mountPoint;
68 /** The name of the server. */
69 private final String serverName;
71 /** The description of the server. */
72 private final String serverDescription;
74 /** The genre of the server. */
75 private final String genre;
77 /** Whether to publish the server. */
78 private final boolean publishServer;
80 /** The output stream to the server. */
81 private OutputStream socketOutputStream;
83 /** The current metadata. */
84 private Metadata metadata;
87 * Creates a new Icecast2 sink.
92 * The hostname of the server
94 * The port number of the server
98 * The stream mount point
100 * The name of the server
101 * @param serverDescription
102 * The description of the server
104 * The genre of the server
105 * @param publishServer
106 * {@code true} to publish the server in a public directory, {@code false} to
109 public Icecast2Sink(EventBus eventBus, String server, int port, String password, String mountPoint, String serverName, String serverDescription, String genre, boolean publishServer) {
110 this.eventBus = eventBus;
111 this.server = server;
113 this.password = password;
114 this.mountPoint = mountPoint;
115 this.serverName = serverName;
116 this.serverDescription = serverDescription;
118 this.publishServer = publishServer;
122 // CONTROLLED METHODS
126 public String name() {
127 return String.format("icecast://%s:%d/%s", server, port, mountPoint);
131 public Metadata metadata() {
136 public List<Controller<?>> controllers() {
137 return Collections.emptyList();
145 public void open(Metadata metadata) throws IOException {
146 logger.info(String.format("Connecting to %s:%d...", server, port));
147 Socket socket = new Socket(server, port);
148 logger.info("Connected.");
149 socketOutputStream = socket.getOutputStream();
150 InputStream socketInputStream = socket.getInputStream();
152 sendLine(socketOutputStream, String.format("SOURCE /%s ICE/1.0", mountPoint));
153 sendLine(socketOutputStream, String.format("Authorization: Basic %s", generatePassword(password)));
154 sendLine(socketOutputStream, String.format("Content-Type: %s", getContentType(metadata)));
155 sendLine(socketOutputStream, String.format("ICE-Name: %s", serverName));
156 sendLine(socketOutputStream, String.format("ICE-Description: %s", serverDescription));
157 sendLine(socketOutputStream, String.format("ICE-Genre: %s", genre));
158 sendLine(socketOutputStream, String.format("ICE-Public: %d", publishServer ? 1 : 0));
159 sendLine(socketOutputStream, "");
160 socketOutputStream.flush();
162 new Thread(new InputStreamDrainer(socketInputStream)).start();
164 metadataUpdated(metadata);
168 public void close() {
170 Closeables.close(socketOutputStream, true);
171 } catch (IOException e) {
172 /* will never throw. */
177 public void metadataUpdated(final Metadata metadata) {
178 this.metadata = metadata;
179 new Thread(new Runnable() {
183 String metadataString = String.format("%s (%s)", metadata.title(), "Sonitus");
184 logger.info(String.format("Updating metadata to %s", metadataString));
186 Socket socket = null;
187 OutputStream socketOutputStream = null;
189 socket = new Socket(server, port);
190 socketOutputStream = socket.getOutputStream();
192 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")));
193 sendLine(socketOutputStream, String.format("Authorization: Basic %s", generatePassword(password)));
194 sendLine(socketOutputStream, String.format("User-Agent: Mozilla/Sonitus"));
195 sendLine(socketOutputStream, "");
196 socketOutputStream.flush();
198 new InputStreamDrainer(socket.getInputStream()).run();
199 } catch (IOException ioe1) {
200 logger.log(Level.WARNING, "Could not update metadata!", ioe1);
203 Closeables.close(socketOutputStream, true);
204 if (socket != null) {
207 } catch (IOException ioe1) {
213 fireMetadataUpdated(metadata);
214 eventBus.post(new MetadataUpdated(this, metadata));
218 public void process(byte[] buffer) throws IOException {
219 socketOutputStream.write(buffer);
220 socketOutputStream.flush();
228 * Sends the given line, followed by CR+LF, to the given output stream,
229 * encoding the complete line as UTF-8.
231 * @param outputStream
232 * The output stream to send the line to
235 * @throws java.io.IOException
236 * if an I/O error occurs
238 private static void sendLine(OutputStream outputStream, String line) throws IOException {
239 outputStream.write((line + "\r\n").getBytes("UTF-8"));
243 * Generates the Base64-encoded authorization information from the given
244 * password. A fixed username of “source” is used.
247 * The password to encode
248 * @return The encoded password
249 * @throws java.io.UnsupportedEncodingException
250 * if the UTF-8 encoding is not supported (which can never happen)
252 private static String generatePassword(String password) throws UnsupportedEncodingException {
253 return BaseEncoding.base64().encode(("source:" + password).getBytes("UTF-8"));
257 * Returns a MIME type for the given metadata. Currently only Vorbis, MP3, PCM,
258 * Ogg Vorbis, Opus, and FLAC formats are recognized.
261 * The metadata to get a MIME type for
262 * @return The MIME type of the metadata
264 private static String getContentType(Metadata metadata) {
265 String encoding = metadata.encoding();
266 if ("Vorbis".equalsIgnoreCase(encoding)) {
269 if ("MP3".equalsIgnoreCase(encoding)) {
272 if ("PCM".equalsIgnoreCase(encoding)) {
273 return "audio/vnd.wave";
275 if ("Vorbis".equalsIgnoreCase(encoding)) {
276 return "application/ogg";
278 if ("Opus".equalsIgnoreCase(encoding)) {
279 return "audio/ogg; codecs=opus";
281 if ("FLAC".equalsIgnoreCase(encoding)) {
284 return "application/octet-stream";