/** {@inheritDoc} */
public IMessageInput getLiveProviderInput(IScope scope, String name, boolean needCreate) {
log.debug("Get live provider input for {} scope: {}", name, scope);
// make sure the create is actually needed
IBroadcastScope broadcastScope = scope.getBroadcastScope(name);
if (broadcastScope == null && needCreate) {
synchronized (scope) {
// re-check if another thread already created the scope
broadcastScope = scope.getBroadcastScope(name);
if (broadcastScope == null) {
broadcastScope = new BroadcastScope(scope, name);
scope.addChildScope(broadcastScope);
}
}
}
return broadcastScope;
}
/**
* Iterate through the scopes and their attributes. Used by JMX
*
* @return list of scope attributes
*/
public List<String> iterateScopeNameList() {
log.debug("iterateScopeNameList called");
Collection<IScope> scopes = getScopes();
log.debug("Scopes: {}", scopes.size());
List<String> scopeNames = new ArrayList<String>(scopes.size());
for (IScope scope : scopes) {
log.debug("Client scope: {}", scope);
scopeNames.add(scope.getName());
if (log.isDebugEnabled()) {
for (Map.Entry<String, Object> entry : scope.getAttributes().entrySet()) {
log.debug("Client scope attr: {} = {}", entry.getKey(), entry.getValue());
}
}
}
return scopeNames;
}
private File getStreamFile(IScope scope, String name) {
if (log.isDebugEnabled()) {
log.debug("getStreamFile - name: {}", name);
}
IStreamableFileFactory factory =
(IStreamableFileFactory) ScopeUtils.getScopeService(scope, IStreamableFileFactory.class);
if (name.indexOf(':') == -1 && name.indexOf('.') == -1) {
// Default to .flv files if no prefix and no extension is given.
name = "flv:" + name;
}
// ams sends an asterisk at the start of the name on mp4, so remove it
if (name.charAt(0) == '*') {
name = name.substring(1);
if (log.isTraceEnabled()) {
log.trace("Removed star prefix: {}", name);
}
}
for (IStreamableFileService service : factory.getServices()) {
if (name.startsWith(service.getPrefix() + ':')) {
name = service.prepareFilename(name);
break;
}
}
// look for a custom filename gen class
IStreamFilenameGenerator filenameGenerator =
(IStreamFilenameGenerator)
ScopeUtils.getScopeService(
scope, IStreamFilenameGenerator.class, DefaultStreamFilenameGenerator.class);
// get the filename
String filename = filenameGenerator.generateFilename(scope, name, GenerationType.PLAYBACK);
File file;
try {
// most likely case first
if (!filenameGenerator.resolvesToAbsolutePath()) {
try {
file = scope.getContext().getResource(filename).getFile();
} catch (FileNotFoundException e) {
log.debug("File {} not found, nulling it", filename);
file = null;
}
} else {
file = new File(filename);
}
// check file existence
if (file != null && !file.exists()) {
// if it does not exist then null it out
file = null;
}
} catch (IOException e) {
log.info("Exception attempting to lookup file: {}", e.getMessage());
if (log.isDebugEnabled()) {
log.warn("Exception attempting to lookup file: {}", name, e);
}
// null out the file (fix for issue #238)
file = null;
}
return file;
}
/**
* Return stream aware scope handler or null if scope is null
*
* @return IStreamAwareScopeHandler implementation
*/
protected IStreamAwareScopeHandler getStreamAwareHandler() {
if (scope != null) {
IScopeHandler handler = scope.getHandler();
if (handler instanceof IStreamAwareScopeHandler) {
return (IStreamAwareScopeHandler) handler;
}
}
return null;
}
/** {@inheritDoc} */
public boolean unregisterBroadcastStream(IScope scope, String name, IBroadcastStream bs) {
if (log.isDebugEnabled()) {
log.debug("Unregistering - name: {} stream: {} scope: {}", new Object[] {name, bs, scope});
((Scope) scope).dump();
}
IBroadcastScope broadcastScope = scope.getBroadcastScope(name);
if (bs != null) {
log.debug("Unsubscribing scope {} from provider {}", broadcastScope, bs.getProvider());
broadcastScope.unsubscribe(bs.getProvider());
}
// if the scope has no listeners try to remove it
if (!((BasicScope) broadcastScope).hasEventListeners()) {
if (log.isDebugEnabled()) {
log.debug("Scope has no event listeners attempting removal");
}
scope.removeChildScope(broadcastScope);
}
// verify that scope was removed
return scope.getBasicScope(ScopeType.BROADCAST, name) == null;
}
/**
* Return client connections to given scope
*
* @param scope Scope
* @return Set of connections for that scope
*/
public Set<IConnection> getConnections(IScope scope) {
if (scope == null) {
return getConnections();
}
Set<IClient> scopeClients = scope.getClients();
if (scopeClients.contains(this)) {
for (IClient cli : scopeClients) {
if (this.equals(cli)) {
return cli.getConnections();
}
}
}
return Collections.emptySet();
}
/** Start this server-side stream */
public void start() {
if (state != StreamState.UNINIT) {
throw new IllegalStateException("State " + state + " not valid to start");
}
if (items.size() == 0) {
throw new IllegalStateException("At least one item should be specified to start");
}
if (publishedName == null) {
throw new IllegalStateException("A published name is needed to start");
}
try {
IScope scope = getScope();
IContext context = scope.getContext();
providerService = (IProviderService) context.getBean(IProviderService.BEAN_NAME);
// publish this server-side stream
providerService.registerBroadcastStream(scope, publishedName, this);
scheduler = (ISchedulingService) context.getBean(ISchedulingService.BEAN_NAME);
} catch (NullPointerException npe) {
log.warn("Context beans were not available; this is ok during unit testing", npe);
}
setState(StreamState.STOPPED);
currentItemIndex = -1;
nextItem();
}
/** {@inheritDoc} */
public boolean registerBroadcastStream(IScope scope, String name, IBroadcastStream bs) {
if (log.isDebugEnabled()) {
log.debug("Registering - name: {} stream: {} scope: {}", new Object[] {name, bs, scope});
((Scope) scope).dump();
}
IBroadcastScope broadcastScope = scope.getBroadcastScope(name);
if (broadcastScope == null) {
log.debug("Creating a new scope");
broadcastScope = new BroadcastScope(scope, name);
if (scope.addChildScope(broadcastScope)) {
log.debug("Broadcast scope added");
} else {
log.warn("Broadcast scope was not added to {}", scope);
}
}
// set the client broadcast stream if we have a broadcast scope
if (broadcastScope != null && bs instanceof IClientBroadcastStream) {
broadcastScope.setClientBroadcastStream((IClientBroadcastStream) bs);
}
if (log.isDebugEnabled()) {
log.debug("Subscribing scope {} to provider {}", broadcastScope, bs.getProvider());
}
return broadcastScope.subscribe(bs.getProvider(), null);
}
@Override
public boolean appStart(IScope scope) {
loginfo("Red5SIP starting in scope " + scope.getName() + " " + System.getProperty("user.dir"));
loginfo(
"Red5SIP using RTP port range "
+ startRTPPort
+ "-"
+ stopRTPPort
+ ", using SIP port range "
+ startSIPPort
+ "-"
+ stopSIPPort);
sipPort = startSIPPort;
rtpPort = startRTPPort;
return true;
}
/** {@inheritDoc} */
public INPUT_TYPE lookupProviderInput(IScope scope, String name, int type) {
INPUT_TYPE result = INPUT_TYPE.NOT_FOUND;
if (scope.getBasicScope(ScopeType.BROADCAST, name) != null) {
// we have live input
result = INPUT_TYPE.LIVE;
} else {
// "default" to VOD as a missing file will be picked up later on
result = INPUT_TYPE.VOD;
File file = getStreamFile(scope, name);
if (file == null) {
if (type == -2) {
result = INPUT_TYPE.LIVE_WAIT;
}
log.debug("Requested stream: {} does not appear to be of VOD type", name);
}
}
return result;
}
/**
* Return broadcast scope object for given scope and child scope name.
*
* @param scope Scope object
* @param name Child scope name
* @return Broadcast scope
*/
public IBroadcastScope getBroadcastScope(IScope scope, String name) {
return scope.getBroadcastScope(name);
}
@Override
public void appStop(IScope scope) {
loginfo("Red5SIP stopping in scope " + scope.getName());
sipManager.destroyAllSessions();
}
@Override
public boolean appStart(IScope scope) {
log.debug("***** " + APP + " [ " + " appStart [ " + scope.getName() + "] *********");
return true;
}
/** {@inheritDoc} */
public Set<String> getBroadcastStreamNames(IScope scope) {
return scope.getBasicScopeNames(ScopeType.BROADCAST);
}
@Override
public void roomLeave(IClient client, IScope scope) {
log.debug("***** " + APP + " [ " + " roomLeave [ " + scope.getName() + "] *********");
}
@Override
public boolean roomJoin(IClient client, IScope scope) {
log.debug("***** " + APP + " [ " + " roomJoin [ " + scope.getName() + "] *********");
return true;
}
@Override
public void appStop(IScope scope) {
log.debug("***** " + APP + " [ " + " appStop [ " + scope.getName() + "] *********");
}