private void testConnect() {
try {
// test the connection to the server
Sink sink = new Sink();
sink.OpenRBNBConnection(getServer(), sinkName);
connected = true;
System.out.println(
"DataVideoGather: Test connection made to server = "
+ getServer()
+ " as "
+ sinkName
+ ".");
sink.CloseRBNBConnection();
} catch (SAPIException se) {
se.printStackTrace();
}
}
/**
* Updates the metadata and posts it to listeners. It also notifies all threads waiting on this
* object.
*
* @param metadataSink the RBNB sink to use for the server connection
*/
private synchronized void updateMetadata(Sink metadataSink) {
// log.info("Updating channel listing at " + DataViewer.formatDate(System.currentTimeMillis
// ()));
Map<String, Channel> newChannels = new HashMap<String, Channel>();
ChannelTree channelTree;
try {
// create metadata channel tree
channelTree = getChannelTree(metadataSink, newChannels);
} catch (SAPIException e) {
log.error("Failed to update metadata: " + e.getMessage() + ".");
if (!metadataSink.VerifyConnection()) {
log.error(
"Metadata RBNB connection is severed, try to reconnect to "
+ rbnbController.getRBNBConnectionString()
+ ".");
metadataSink.CloseRBNBConnection();
try {
metadataSink.OpenRBNBConnection(rbnbController.getRBNBConnectionString(), "RDVMetadata");
} catch (SAPIException error) {
log.error("Failed to connect to RBNB server: " + error.getMessage());
error.printStackTrace();
}
}
return;
}
if (LocalChannelManager.getInstance().hasChannels()) {
ChannelTree localChannelTree = getLocalChannelTree(newChannels, channelTree);
ctree = localChannelTree.merge(channelTree);
} else {
ctree = channelTree;
}
channels = newChannels;
// notify metadata listeners
fireMetadataUpdated(ctree);
}
