/** 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 void publish(String name, String mode) {
Map<String, String> params = null;
if (name != null && name.contains("?")) {
// read and utilize the query string values
params = new HashMap<String, String>();
String tmp = name;
// check if we start with '?' or not
if (name.charAt(0) != '?') {
tmp = name.split("\\?")[1];
} else if (name.charAt(0) == '?') {
tmp = name.substring(1);
}
// now break up into key/value blocks
String[] kvs = tmp.split("&");
// take each key/value block and break into its key value parts
for (String kv : kvs) {
String[] split = kv.split("=");
params.put(split[0], split[1]);
}
// grab the streams name
name = name.substring(0, name.indexOf("?"));
}
log.debug("publish called with name {} and mode {}", name, mode);
IConnection conn = Red5.getConnectionLocal();
if (conn instanceof IStreamCapableConnection) {
IScope scope = conn.getScope();
IStreamCapableConnection streamConn = (IStreamCapableConnection) conn;
int streamId = conn.getStreamId();
if (StringUtils.isEmpty(name)) {
sendNSFailed(
streamConn, StatusCodes.NS_FAILED, "The stream name may not be empty.", name, streamId);
log.error("The stream name may not be empty.");
return;
}
IStreamSecurityService security =
(IStreamSecurityService) ScopeUtils.getScopeService(scope, IStreamSecurityService.class);
if (security != null) {
Set<IStreamPublishSecurity> handlers = security.getStreamPublishSecurity();
for (IStreamPublishSecurity handler : handlers) {
if (!handler.isPublishAllowed(scope, name, mode)) {
sendNSFailed(
streamConn,
StatusCodes.NS_PUBLISH_BADNAME,
"You are not allowed to publish the stream.",
name,
streamId);
log.error("You are not allowed to publish the stream {}", name);
return;
}
}
}
IBroadcastScope bsScope = getBroadcastScope(scope, name);
if (bsScope != null && !bsScope.getProviders().isEmpty()) {
// another stream with that name is already published
sendNSFailed(streamConn, StatusCodes.NS_PUBLISH_BADNAME, name, name, streamId);
log.error("Bad name {}", name);
return;
}
IClientStream stream = streamConn.getStreamById(streamId);
if (stream != null && !(stream instanceof IClientBroadcastStream)) {
log.error(
"Stream not found or is not instance of IClientBroadcastStream, name: {}, streamId: {}",
name,
streamId);
return;
}
boolean created = false;
if (stream == null) {
stream = streamConn.newBroadcastStream(streamId);
created = true;
}
IClientBroadcastStream bs = (IClientBroadcastStream) stream;
try {
// set publish name
bs.setPublishedName(name);
// set stream parameters if they exist
if (params != null) {
bs.setParameters(params);
}
IContext context = conn.getScope().getContext();
IProviderService providerService =
(IProviderService) context.getBean(IProviderService.BEAN_NAME);
// TODO handle registration failure
if (providerService.registerBroadcastStream(conn.getScope(), name, bs)) {
bsScope = getBroadcastScope(conn.getScope(), name);
bsScope.setClientBroadcastStream(bs);
if (conn instanceof BaseConnection) {
((BaseConnection) conn).registerBasicScope(bsScope);
}
}
log.debug("Mode: {}", mode);
if (IClientStream.MODE_RECORD.equals(mode)) {
bs.start();
bs.saveAs(name, false);
} else if (IClientStream.MODE_APPEND.equals(mode)) {
bs.start();
bs.saveAs(name, true);
} else {
bs.start();
}
bs.startPublishing();
} catch (IOException e) {
log.warn("Stream I/O exception", e);
sendNSFailed(
streamConn,
StatusCodes.NS_RECORD_NOACCESS,
"The file could not be created/written to.",
name,
streamId);
bs.close();
if (created) {
streamConn.deleteStreamById(streamId);
}
} catch (Exception e) {
log.warn("Exception on publish", e);
}
}
}
