private static LoadBalancingDataPublisher getDataPublisher()
throws AgentException, MalformedURLException, AuthenticationException, TransportException {
String tenantDomain = CarbonContext.getThreadLocalCarbonContext().getTenantDomain();
// Get LoadBalancingDataPublisher which has been registered for the tenant.
LoadBalancingDataPublisher loadBalancingDataPublisher =
UsageComponent.getDataPublisher(tenantDomain);
// If a LoadBalancingDataPublisher had not been registered for the tenant.
if (loadBalancingDataPublisher == null) {
List<String> receiverGroups =
org.wso2.carbon.databridge.agent.thrift.util.DataPublisherUtil.getReceiverGroups(
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getBamServerUrlGroups());
String serverUser =
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getBamServerUser();
String serverPassword =
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getBamServerPassword();
List<ReceiverGroup> allReceiverGroups = new ArrayList<ReceiverGroup>();
for (String receiverGroupString : receiverGroups) {
String[] serverURLs = receiverGroupString.split(",");
List<DataPublisherHolder> dataPublisherHolders = new ArrayList<DataPublisherHolder>();
for (int i = 0; i < serverURLs.length; i++) {
String serverURL = serverURLs[i];
DataPublisherHolder dataPublisherHolder =
new DataPublisherHolder(null, serverURL, serverUser, serverPassword);
dataPublisherHolders.add(dataPublisherHolder);
}
ReceiverGroup receiverGroup = new ReceiverGroup((ArrayList) dataPublisherHolders);
allReceiverGroups.add(receiverGroup);
}
// Create new LoadBalancingDataPublisher for the tenant.
loadBalancingDataPublisher = new LoadBalancingDataPublisher((ArrayList) allReceiverGroups);
try {
// Add created LoadBalancingDataPublisher.
UsageComponent.addDataPublisher(tenantDomain, loadBalancingDataPublisher);
} catch (DataPublisherAlreadyExistsException e) {
log.warn(
"Attempting to register a data publisher for the tenant "
+ tenantDomain
+ " when one already exists. Returning existing data publisher");
return UsageComponent.getDataPublisher(tenantDomain);
}
}
return loadBalancingDataPublisher;
}
public void publishEvent(RequestPublisherDTO requestPublisherDTO) {
DataBridgeRequestPublisherDTO dataBridgeRequestPublisherDTO =
new DataBridgeRequestPublisherDTO(requestPublisherDTO);
try {
// Publish Request Data
dataPublisher.publish(
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getRequestStreamName(),
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getRequestStreamVersion(),
System.currentTimeMillis(),
new Object[] {"external"},
null,
(Object[]) dataBridgeRequestPublisherDTO.createPayload());
} catch (AgentException e) {
log.error("Error while publishing Request event", e);
}
}
public void init() {
try {
if (log.isDebugEnabled()) {
log.debug("Initializing APIMgtUsageDataBridgeDataPublisher");
}
this.dataPublisher = getDataPublisher();
// If Request Stream Definition does not exist.
if (!dataPublisher.isStreamDefinitionAdded(
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getRequestStreamName(),
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getRequestStreamVersion())) {
// Get Request Stream Definition
String requestStreamDefinition = DataBridgeRequestPublisherDTO.getStreamDefinition();
// Add Request Stream Definition.
dataPublisher.addStreamDefinition(
requestStreamDefinition,
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getRequestStreamName(),
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getRequestStreamVersion());
}
// If Response Stream Definition does not exist.
if (!dataPublisher.isStreamDefinitionAdded(
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getResponseStreamName(),
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getResponseStreamVersion())) {
// Get Response Stream Definition.
String responseStreamDefinition = DataBridgeResponsePublisherDTO.getStreamDefinition();
// Add Response Stream Definition.
dataPublisher.addStreamDefinition(
responseStreamDefinition,
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getResponseStreamName(),
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getResponseStreamVersion());
}
// If Fault Stream Definition does not exist.
if (!dataPublisher.isStreamDefinitionAdded(
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getFaultStreamName(),
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getFaultStreamVersion())) {
// Get Fault Stream Definition
String faultStreamDefinition = DataBridgeFaultPublisherDTO.getStreamDefinition();
// Add Fault Stream Definition;
dataPublisher.addStreamDefinition(
faultStreamDefinition,
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getFaultStreamName(),
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getFaultStreamVersion());
}
// If Throttle Stream Definition does not exist.
if (!dataPublisher.isStreamDefinitionAdded(
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getThrottleStreamName(),
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getThrottleStreamVersion())) {
// Get Throttle Stream Definition
String throttleStreamDefinition = DataBridgeThrottlePublisherDTO.getStreamDefinition();
// Add Throttle Stream Definition;
dataPublisher.addStreamDefinition(
throttleStreamDefinition,
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getThrottleStreamName(),
DataPublisherUtil.getApiManagerAnalyticsConfiguration().getThrottleStreamVersion());
}
} catch (Exception e) {
log.error("Error initializing APIMgtUsageDataBridgeDataPublisher", e);
}
}