/*-
* ============LICENSE_START=======================================================
- * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
+ * Copyright (C) 2019, 2021 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2023 Nordix Foundation.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
package org.onap.policy.pdpx.main.startstop;
-import java.util.Arrays;
-import java.util.Properties;
-
-import org.onap.policy.common.endpoints.event.comm.TopicEndpoint;
-import org.onap.policy.common.endpoints.event.comm.TopicSource;
+import java.util.List;
+import lombok.Getter;
+import lombok.Setter;
+import org.onap.policy.common.endpoints.event.comm.TopicEndpointManager;
+import org.onap.policy.common.endpoints.event.comm.client.BidirectionalTopicClient;
+import org.onap.policy.common.endpoints.event.comm.client.BidirectionalTopicClientException;
import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClient;
-import org.onap.policy.common.endpoints.event.comm.client.TopicSinkClientException;
+import org.onap.policy.common.endpoints.http.client.HttpClient;
+import org.onap.policy.common.endpoints.http.client.HttpClientConfigException;
+import org.onap.policy.common.endpoints.http.client.HttpClientFactoryInstance;
import org.onap.policy.common.endpoints.listeners.MessageTypeDispatcher;
+import org.onap.policy.common.endpoints.parameters.RestClientParameters;
import org.onap.policy.common.parameters.ParameterService;
import org.onap.policy.common.utils.services.ServiceManagerContainer;
import org.onap.policy.models.pdp.concepts.PdpStatus;
-import org.onap.policy.models.pdp.concepts.PdpUpdate;
import org.onap.policy.models.pdp.enums.PdpMessageType;
-import org.onap.policy.models.pdp.enums.PdpState;
import org.onap.policy.pdpx.main.PolicyXacmlPdpRuntimeException;
-import org.onap.policy.pdpx.main.comm.XacmlPdpMessage;
-import org.onap.policy.pdpx.main.comm.XacmlPdpPapRegistration;
+import org.onap.policy.pdpx.main.XacmlState;
+import org.onap.policy.pdpx.main.comm.XacmlPdpHearbeatPublisher;
import org.onap.policy.pdpx.main.comm.listeners.XacmlPdpStateChangeListener;
import org.onap.policy.pdpx.main.comm.listeners.XacmlPdpUpdateListener;
import org.onap.policy.pdpx.main.parameters.XacmlPdpParameterGroup;
-import org.onap.policy.pdpx.main.rest.XacmlPdpRestServer;
+import org.onap.policy.pdpx.main.rest.XacmlPdpApplicationManager;
+import org.onap.policy.pdpx.main.rest.XacmlPdpRestController;
+import org.onap.policy.pdpx.main.rest.XacmlPdpServiceFilter;
+import org.onap.policy.pdpx.main.rest.XacmlPdpStatisticsManager;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
private static final Logger LOGGER = LoggerFactory.getLogger(XacmlPdpActivator.class);
private static final String[] MSG_TYPE_NAMES = {"messageName"};
- private static final String TOPIC = "POLICY-PDP-PAP";
+ private static final String TOPIC = "policy-pdp-pap";
+
+ @Getter
+ @Setter
+ private static XacmlPdpActivator current = null;
// The parameters of this policy xacml pdp activator
private final XacmlPdpParameterGroup xacmlPdpParameterGroup;
/**
- * The XACML PDP REST API server.
+ * POLICY-PDP-PAP client.
*/
- private XacmlPdpRestServer restServer;
+ private final BidirectionalTopicClient topicClient;
/**
* Listens for messages on the topic, decodes them into a {@link PdpStatus} message, and then
private final MessageTypeDispatcher msgDispatcher;
/**
- * Listens for {@link PdpStateChange} messages from the PAP.
+ * Instantiate the activator for policy xacml pdp as a complete service.
+ *
+ * @param xacmlPdpParameterGroup the parameters for the xacml pdp service
*/
- private final XacmlPdpStateChangeListener pdpStateChangeListener;
+ public XacmlPdpActivator(final XacmlPdpParameterGroup xacmlPdpParameterGroup) {
+ LOGGER.info("Activator initializing using {}", xacmlPdpParameterGroup);
- /**
- * Listens for {@link PdpUpdate} messages from the PAP.
- */
- private final XacmlPdpUpdateListener pdpUpdateListener;
+ RestClientParameters apiClientParams = xacmlPdpParameterGroup.getPolicyApiParameters();
- /**
- * The current activator.
- */
- private static XacmlPdpActivator current = null;
+ TopicEndpointManager.getManager().addTopics(xacmlPdpParameterGroup.getTopicParameterGroup());
- private volatile boolean alive = false;
+ final XacmlPdpHearbeatPublisher heartbeat;
+ final TopicSinkClient sinkClient;
+ final XacmlState state;
- private XacmlPdpPapRegistration register;
+ XacmlPdpRestServer restServer;
+ try {
+ HttpClient apiClient = HttpClientFactoryInstance.getClientFactory().build(apiClientParams);
- private XacmlPdpMessage message;
+ var appmgr = new XacmlPdpApplicationManager(xacmlPdpParameterGroup.getApplicationParameters(),
+ apiClient);
+ XacmlPdpApplicationManager.setCurrent(appmgr);
- /**
- * Instantiate the activator for policy xacml pdp as a complete service.
- *
- * @param xacmlPdpParameterGroup the parameters for the xacml pdp service
- * @param topicProperties properties used to configure the topics
- */
- public XacmlPdpActivator(final XacmlPdpParameterGroup xacmlPdpParameterGroup, Properties topicProperties) {
- LOGGER.info("Activator initializing using {} and {}", xacmlPdpParameterGroup, topicProperties);
+ var stats = new XacmlPdpStatisticsManager();
+ XacmlPdpStatisticsManager.setCurrent(stats);
+ stats.setTotalPolicyTypesCount(appmgr.getPolicyTypeCount());
+ stats.setTotalPolicyCount(appmgr.getPolicyCount());
- TopicEndpoint.manager.addTopicSinks(topicProperties);
- TopicEndpoint.manager.addTopicSources(topicProperties);
+ state = new XacmlState(appmgr, xacmlPdpParameterGroup.getPdpGroup(), xacmlPdpParameterGroup.getPdpType());
- try {
- final TopicSinkClient sinkClient = new TopicSinkClient(TOPIC);
- this.message = new XacmlPdpMessage();
this.xacmlPdpParameterGroup = xacmlPdpParameterGroup;
this.msgDispatcher = new MessageTypeDispatcher(MSG_TYPE_NAMES);
- this.pdpStateChangeListener = new XacmlPdpStateChangeListener(sinkClient, message);
- this.pdpUpdateListener = new XacmlPdpUpdateListener(sinkClient, message);
- this.register = new XacmlPdpPapRegistration(sinkClient);
- } catch (RuntimeException | TopicSinkClientException e) {
+
+ topicClient = new BidirectionalTopicClient(TOPIC, TOPIC);
+ sinkClient = new TopicSinkClient(topicClient.getSink());
+
+ heartbeat = new XacmlPdpHearbeatPublisher(topicClient,
+ xacmlPdpParameterGroup.getProbeHeartbeatTopicSec() * 1000, state);
+
+ /*
+ * since the dispatcher isn't registered with the topic yet, we can go ahead
+ * and register the listeners with it.
+ */
+ msgDispatcher.register(PdpMessageType.PDP_STATE_CHANGE.name(),
+ new XacmlPdpStateChangeListener(sinkClient, state));
+ msgDispatcher.register(PdpMessageType.PDP_UPDATE.name(),
+ new XacmlPdpUpdateListener(sinkClient, state, heartbeat, appmgr));
+
+ XacmlPdpServiceFilter.disableApi();
+
+ restServer = new XacmlPdpRestServer(xacmlPdpParameterGroup.getRestServerParameters(),
+ List.of(XacmlPdpServiceFilter.class), List.of(XacmlPdpRestController.class));
+
+ } catch (RuntimeException | HttpClientConfigException | BidirectionalTopicClientException e) {
throw new PolicyXacmlPdpRuntimeException(e.getMessage(), e);
}
xacmlPdpParameterGroup.getRestServerParameters().setName(xacmlPdpParameterGroup.getName());
// @formatter:off
- addAction("XACML PDP parameters", () -> ParameterService.register(xacmlPdpParameterGroup),
+ addAction("XACML PDP parameters",
+ () -> ParameterService.register(xacmlPdpParameterGroup),
() -> ParameterService.deregister(xacmlPdpParameterGroup.getName()));
- addAction("PdpStateChange Dispatcher",
- () -> msgDispatcher.register(PdpMessageType.PDP_STATE_CHANGE.name(), this.pdpStateChangeListener),
- () -> msgDispatcher.unregister(PdpMessageType.PDP_STATE_CHANGE.name()));
-
- addAction("PdpUpdate Dispatcher",
- () -> msgDispatcher.register(PdpMessageType.PDP_UPDATE.name(), this.pdpUpdateListener),
- () -> msgDispatcher.unregister(PdpMessageType.PDP_UPDATE.name()));
-
addAction("Message Dispatcher",
- () -> registerMsgDispatcher(),
- () -> unregisterMsgDispatcher());
+ this::registerMsgDispatcher,
+ this::unregisterMsgDispatcher);
addAction("topics",
- () -> TopicEndpoint.manager.start(),
- () -> TopicEndpoint.manager.shutdown());
-
- addAction("Create REST server",
- () -> {
- restServer = new XacmlPdpRestServer(xacmlPdpParameterGroup.getRestServerParameters(),
- xacmlPdpParameterGroup.getApplicationPath());
- },
- () -> {
- restServer = null;
- });
-
- addAction("REST server",
- () -> restServer.start(),
- () -> restServer.stop());
-
- addAction("set alive", () -> setAlive(true), () -> setAlive(false));
-
- addAction("Initial Registration with PAP",
- () -> {
- register.pdpRegistration(message.formatInitialStatusMessage(PdpState.PASSIVE));
- },
- () -> {
- register.pdpRegistration(message.formatInitialStatusMessage(PdpState.TERMINATED));
- });
+ TopicEndpointManager.getManager()::start,
+ TopicEndpointManager.getManager()::shutdown);
+
+ addAction("Terminate PDP",
+ () -> { },
+ () -> sendTerminateMessage(sinkClient, state));
+ // initial heart beats act as registration messages
+ addAction("Heartbeat Publisher",
+ heartbeat::start,
+ heartbeat::terminate);
+
// @formatter:on
+ addAction("REST Server",
+ restServer::start,
+ restServer::stop);
+ }
- current = this;
+ /*
+ * Method used to send a terminate message to the PAP.
+ */
+ private void sendTerminateMessage(TopicSinkClient sinkClient, XacmlState state) {
+ PdpStatus terminateStatus = state.terminatePdpMessage();
+ sinkClient.send(terminateStatus);
}
/**
* Registers the dispatcher with the topic source(s).
*/
private void registerMsgDispatcher() {
- for (TopicSource source : TopicEndpoint.manager.getTopicSources(Arrays.asList(TOPIC))) {
- source.register(msgDispatcher);
- }
+ topicClient.getSource().register(msgDispatcher);
}
/**
* Unregisters the dispatcher from the topic source(s).
*/
private void unregisterMsgDispatcher() {
- for (TopicSource source : TopicEndpoint.manager.getTopicSources(Arrays.asList(TOPIC))) {
- source.unregister(msgDispatcher);
- }
+ topicClient.getSource().unregister(msgDispatcher);
}
/**
- * Returns the alive status of xacml pdp service.
- *
- * @return the alive
+ * Start the xacmlpdp rest controller.
*/
- @Override
- public boolean isAlive() {
- return alive;
+ public void enableApi() {
+ XacmlPdpServiceFilter.enableApi();
}
/**
- * Change the alive status of xacml pdp service.
- *
- * @param status the status
+ * Stop the xacmlpdp rest controller.
*/
- private void setAlive(final boolean status) {
- alive = status;
- }
-
- public static XacmlPdpActivator getCurrent() {
- return current;
+ public void disableApi() {
+ XacmlPdpServiceFilter.disableApi();
}
- public static void setCurrent(XacmlPdpActivator current) {
- XacmlPdpActivator.current = current;
+ public boolean isApiEnabled() {
+ return XacmlPdpServiceFilter.isApiEnabled();
}
}