/**
* Used to send a message to a subset of endpoints in the call, primary use case being a message
* that has originated from an endpoint (as opposed to a message originating from the bridge and
* being sent to all endpoints in the call, for that see broadcastMessageOnDataChannels below
*
* @param msg
* @param endpoints
*/
public void sendMessageOnDataChannels(String msg, List<Endpoint> endpoints) {
for (Endpoint endpoint : endpoints) {
try {
endpoint.sendMessageOnDataChannel(msg);
} catch (IOException e) {
logger.error("Failed to send message on data channel.", e);
}
}
}
/**
* Notifies this instance that a specific <tt>SctpConnection</tt> has become ready i.e. connected
* to a/the remote peer and operational.
*
* @param sctpConnection the <tt>SctpConnection</tt> which has become ready and is the cause of
* the method invocation
*/
private void sctpConnectionReady(SctpConnection sctpConnection) {
/*
* We want to fire initial events over the SctpConnection as soon as it
* is ready, we do not want to fire them multiple times i.e. every time
* the SctpConnection becomes ready.
*/
sctpConnection.removeChannelListener(webRtcDataStreamListener);
if (!isExpired() && !sctpConnection.isExpired() && sctpConnection.isReady()) {
Endpoint endpoint = sctpConnection.getEndpoint();
if (endpoint != null) endpoint = getEndpoint(endpoint.getID());
if (endpoint != null) {
/*
* It appears that this Conference, the SctpConnection and the
* Endpoint are in states which allow them to fire the initial
* events.
*/
Endpoint dominantSpeaker = speechActivity.getDominantEndpoint();
if (dominantSpeaker != null) {
try {
endpoint.sendMessageOnDataChannel(
createDominantSpeakerEndpointChangeEvent(dominantSpeaker));
} catch (IOException e) {
logger.error("Failed to send message on data channel.", e);
}
}
/*
* Determining the instant at which an SctpConnection associated
* with an Endpoint becomes ready (i.e. connected to the remote
* peer and operational) is a multi-step ordeal. The Conference
* class implements the procedure so do not make other classes
* implement it as well.
*/
endpoint.sctpConnectionReady(sctpConnection);
}
}
}