/**
* Request the next track from the trackmanager and play it. When a 404 is returned, delete this
* show. On any other error: log it and try again in 0.5s.
*/
private void play_next_track() {
try {
last_action = "get next track";
current_track = new JSONObject(get_url(pop_url));
WMSLoggerFactory.getLogger(null).info(current_path() + " on " + id);
boolean success = stream.play("mp3:" + current_path(), 0, -1, true);
pop_error = false;
last_action = "play " + current_path();
if (!success) {
last_action = "failed play " + current_path();
schedule_play_next_track();
}
} catch (Callback404Exception e) {
last_action = "remove show";
Shows.remove_show(app.getName(), id);
return;
} catch (IOException e) { // streamer offline?
WMSLoggerFactory.getLogger(null)
.error("streamer unreachable (IOException in get_url) in " + id);
WMSLoggerFactory.getLogger(null).error("asdf", e);
pop_error = true;
wait(500);
schedule_play_next_track();
} catch (Exception e) {
WMSLoggerFactory.getLogger(null).error("Unexpected exception in " + id, e);
pop_error = true;
wait(500);
schedule_play_next_track();
}
}
/**
* Get the body of the given url.
*
* @param url
* @return
* @throws IOException when the connection fails or dies
* @throws Callback404Exception when 404 is returned by the other side.
*/
public String get_url(String url) throws IOException, Callback404Exception {
URL u = new URL(url);
HttpURLConnection uc = (HttpURLConnection) u.openConnection();
uc.setConnectTimeout(5000);
uc.setReadTimeout(5000);
WMSLoggerFactory.getLogger(null).debug("get url: >" + url + "<");
if (uc.getResponseCode() == 404) {
WMSLoggerFactory.getLogger(null).info("404 returned");
throw new Callback404Exception(id);
}
return slurp(uc.getInputStream());
}
/** Delete the file we're currently playing if delete_after_play == true */
private void maybe_delete_current_track() {
try {
if (current_track.getBoolean("delete_after_play?")) {
boolean b = new File(current_absolute_path()).delete();
last_action += " -> delete";
if (!b) WMSLoggerFactory.getLogger(null).error("Delete file returned false " + id);
else WMSLoggerFactory.getLogger(null).info("Deleted file " + current_absolute_path());
}
} catch (JSONException e) {
WMSLoggerFactory.getLogger(null).error("Json exception " + id, e);
/* delete_after_play not found, so we don't delete.
if current_track was the reason for the fail, the track would not have been played. */
} catch (Exception e) {
/* Just making sure streams don't die by unknown errors */
WMSLoggerFactory.getLogger(null).error("Unexpected exception in " + id, e);
}
}
public class Show implements IStreamActionNotify {
private static final WMSLogger logger = WMSLoggerFactory.getLogger(Show.class);
private Stream stream = null;
private String pop_url = null;
private String id = null;
private IApplication app = null;
/**
* there might still be callbacks scheduled after closing the stream We can check this var to stop
* the loop.
*/
private boolean closed = false;
public boolean pop_error = false;
public String last_action = "";
private JSONObject current_track = null;
private static ThreadPool pop_track_thread_pool = null;
/**
* Create underlying stream and queue the first play_next_track.
*
* @param id Name of the stream.
* @param pop_url The url to request the next track from.
*/
Show(IApplication app, String id, String pop_url) {
stream = Stream.createInstance(app.getVHost(), app.getName(), id);
stream.setRepeat(false);
stream.addListener(this);
this.pop_url = pop_url;
this.id = id;
this.app = app;
schedule_play_next_track();
}
/* Schedule play_next_track in the threadpool of the server,
* so it won't block the thread on errors or on creation.
*/
private void schedule_play_next_track() {
if (closed) return;
pop_track_thread_pool.execute(
new Runnable() {
@Override
public void run() {
play_next_track();
}
});
}
/**
* Request the next track from the trackmanager and play it. When a 404 is returned, delete this
* show. On any other error: log it and try again in 0.5s.
*/
private void play_next_track() {
try {
last_action = "get next track";
current_track = new JSONObject(get_url(pop_url));
WMSLoggerFactory.getLogger(null).info(current_path() + " on " + id);
boolean success = stream.play("mp3:" + current_path(), 0, -1, true);
pop_error = false;
last_action = "play " + current_path();
if (!success) {
last_action = "failed play " + current_path();
schedule_play_next_track();
}
} catch (Callback404Exception e) {
last_action = "remove show";
Shows.remove_show(app.getName(), id);
return;
} catch (IOException e) { // streamer offline?
WMSLoggerFactory.getLogger(null)
.error("streamer unreachable (IOException in get_url) in " + id);
WMSLoggerFactory.getLogger(null).error("asdf", e);
pop_error = true;
wait(500);
schedule_play_next_track();
} catch (Exception e) {
WMSLoggerFactory.getLogger(null).error("Unexpected exception in " + id, e);
pop_error = true;
wait(500);
schedule_play_next_track();
}
}
/** Delete the file we're currently playing if delete_after_play == true */
private void maybe_delete_current_track() {
try {
if (current_track.getBoolean("delete_after_play?")) {
boolean b = new File(current_absolute_path()).delete();
last_action += " -> delete";
if (!b) WMSLoggerFactory.getLogger(null).error("Delete file returned false " + id);
else WMSLoggerFactory.getLogger(null).info("Deleted file " + current_absolute_path());
}
} catch (JSONException e) {
WMSLoggerFactory.getLogger(null).error("Json exception " + id, e);
/* delete_after_play not found, so we don't delete.
if current_track was the reason for the fail, the track would not have been played. */
} catch (Exception e) {
/* Just making sure streams don't die by unknown errors */
WMSLoggerFactory.getLogger(null).error("Unexpected exception in " + id, e);
}
}
private String current_absolute_path() throws JSONException {
return this.app.getAppInstance("_definst_").getStreamStoragePath() + '/' + current_path();
}
private String current_path() throws JSONException {
return "" + current_track.getString("bucket") + '/' + current_track.getString("filename");
}
/**
* Thread.sleep, but just returns when InterruptedException is thrown.
*
* @param ms
*/
private static void wait(int ms) {
try {
Thread.sleep(ms);
} catch (InterruptedException e1) {
}
}
// private String s3bucket() {
// return Server.getInstance().getProperties().getPropertyStr("s3bucket");
// }
public void onPlaylistItemStop(Stream stream, PlaylistItem item) {
WMSLoggerFactory.getLogger(null)
.info("Track finished: " + item.getName() + "on Stream: " + stream.getName());
maybe_delete_current_track();
play_next_track();
}
public void onPlaylistItemStart(Stream stream, PlaylistItem item) {
WMSLoggerFactory.getLogger(null)
.info("Item Started: " + item.getName() + "on Stream: " + stream.getName());
send_stream_title();
}
private void send_stream_title() {
AMFDataMixedArray data = new AMFDataMixedArray();
try {
String stream_title = current_track.getString("stream_title");
byte[] title2 = stream_title.getBytes(java.nio.charset.Charset.defaultCharset().name());
data.put("StreamTitle", new AMFDataItem(new String(title2, "UTF-8")));
stream.getPublisher().getStream().send("onMetaData", data);
} catch (java.io.UnsupportedEncodingException e) {
} catch (JSONException e) {
}
}
/**
* Get the body of the given url.
*
* @param url
* @return
* @throws IOException when the connection fails or dies
* @throws Callback404Exception when 404 is returned by the other side.
*/
public String get_url(String url) throws IOException, Callback404Exception {
URL u = new URL(url);
HttpURLConnection uc = (HttpURLConnection) u.openConnection();
uc.setConnectTimeout(5000);
uc.setReadTimeout(5000);
WMSLoggerFactory.getLogger(null).debug("get url: >" + url + "<");
if (uc.getResponseCode() == 404) {
WMSLoggerFactory.getLogger(null).info("404 returned");
throw new Callback404Exception(id);
}
return slurp(uc.getInputStream());
}
private String slurp(java.io.InputStream istream) throws IOException {
String ret = "";
BufferedReader in = new BufferedReader(new InputStreamReader(istream));
String inputLine;
while ((inputLine = in.readLine()) != null) ret += inputLine;
in.close();
return ret;
}
public class Callback404Exception extends java.lang.Exception {
private static final long serialVersionUID = 1L;
Callback404Exception(String msg) {
super(msg);
}
}
public void close() {
closed = true;
stream.removeListener(this);
stream.getPublisher().unpublish();
stream.close();
stream = null;
app = null;
}
{
pop_track_thread_pool = new ThreadPool(null, "pop_retry");
pop_track_thread_pool.init(5);
}
}
public void onPlaylistItemStart(Stream stream, PlaylistItem item) {
WMSLoggerFactory.getLogger(null)
.info("Item Started: " + item.getName() + "on Stream: " + stream.getName());
send_stream_title();
}
public void onPlaylistItemStop(Stream stream, PlaylistItem item) {
WMSLoggerFactory.getLogger(null)
.info("Track finished: " + item.getName() + "on Stream: " + stream.getName());
maybe_delete_current_track();
play_next_track();
}