1 files changed, 390 insertions, 0 deletions
diff --git a/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/internal/BusPublisher.java b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/internal/BusPublisher.java
new file mode 100644
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--- /dev/null
+++ b/policy-endpoints/src/main/java/org/onap/policy/drools/event/comm/bus/internal/BusPublisher.java
@@ -0,0 +1,390 @@
+/*-
+ * ============LICENSE_START=======================================================
+ * policy-endpoints
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.onap.policy.drools.event.comm.bus.internal;
+
+import java.net.MalformedURLException;
+import java.security.GeneralSecurityException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Properties;
+import java.util.concurrent.TimeUnit;
+
+import org.onap.policy.drools.event.comm.bus.DmaapTopicSinkFactory;
+import org.onap.policy.drools.properties.PolicyProperties;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.att.nsa.cambria.client.CambriaBatchingPublisher;
+import com.att.nsa.cambria.client.CambriaClientBuilders;
+import com.att.nsa.cambria.client.CambriaClientBuilders.PublisherBuilder;
+import com.att.nsa.mr.client.impl.MRSimplerBatchPublisher;
+import com.att.nsa.mr.client.response.MRPublisherResponse;
+import com.att.nsa.mr.test.clients.ProtocolTypeConstants;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+
+public interface BusPublisher {
+	
+	/**
+	 * sends a message
+	 * 
+	 * @param partition id
+	 * @param message the message
+	 * @return true if success, false otherwise
+	 * @throws IllegalArgumentException if no message provided
+	 */
+	public boolean send(String partitionId, String message) throws IllegalArgumentException;
+	
+	/**
+	 * closes the publisher
+	 */
+	public void close();
+	
+	/**
+	 * Cambria based library publisher
+	 */
+	public static class CambriaPublisherWrapper implements BusPublisher {
+		
+		private static Logger logger = LoggerFactory.getLogger(CambriaPublisherWrapper.class);
+
+		/**
+		 * The actual Cambria publisher
+		 */
+		@JsonIgnore
+		protected volatile CambriaBatchingPublisher publisher;
+		
+		public CambriaPublisherWrapper(List<String> servers, String topic,
+						               String apiKey,
+						               String apiSecret, boolean useHttps) throws IllegalArgumentException {
+			PublisherBuilder builder = new CambriaClientBuilders.PublisherBuilder();
+		
+
+			if (useHttps){
+				
+				builder.usingHosts(servers)
+			       .onTopic(topic)
+			       .usingHttps();
+			}
+			else{
+				builder.usingHosts(servers)
+			       .onTopic(topic);
+			}
+		
+			
+			if (apiKey != null && !apiKey.isEmpty() &&
+				apiSecret != null && !apiSecret.isEmpty()) {
+				builder.authenticatedBy(apiKey, apiSecret);
+			}
+			
+			try {
+				this.publisher = builder.build();
+			} catch (MalformedURLException | GeneralSecurityException e) {
+				throw new IllegalArgumentException(e);
+			}
+		}
+		
+		/**
+		 * {@inheritDoc}
+		 */
+		@Override
+		public boolean send(String partitionId, String message) 
+				throws IllegalArgumentException {
+			if (message == null)
+				throw new IllegalArgumentException("No message provided");
+			
+			try {
+				this.publisher.send(partitionId, message);
+			} catch (Exception e) {
+				logger.warn("{}: SEND of {} cannot be performed because of {}",
+						    this, message, e.getMessage(), e);
+				return false;
+			}
+			return true;			
+		}
+		
+		/**
+		 * {@inheritDoc}
+		 */
+		@Override
+		public void close() {
+			logger.info("{}: CLOSE", this);
+			
+			try {
+				this.publisher.close();
+			} catch (Exception e) {
+				logger.warn("{}: CLOSE FAILED because of {}", 
+						    this, e.getMessage(),e);
+			}
+		}
+		
+		
+		@Override
+		public String toString() {
+			StringBuilder builder = new StringBuilder();
+			builder.append("CambriaPublisherWrapper [").
+			append("publisher.getPendingMessageCount()=").
+			append(publisher.getPendingMessageCount()).
+			append("]");
+			return builder.toString();
+		}
+		
+	}
+	
+	/**
+	 * DmaapClient library wrapper
+	 */
+	public abstract class DmaapPublisherWrapper implements BusPublisher {
+		
+		private static Logger logger = LoggerFactory.getLogger(DmaapPublisherWrapper.class);
+		
+		/**
+		 * MR based Publisher
+		 */		
+		protected MRSimplerBatchPublisher publisher;
+		protected Properties props;
+		
+		/**
+		 * MR Publisher Wrapper
+		 *
+		 * @param servers messaging bus hosts
+		 * @param topic topic
+		 * @param username AAF or DME2 Login
+		 * @param password AAF or DME2 Password
+		 */
+		public DmaapPublisherWrapper(ProtocolTypeConstants protocol,
+									 List<String> servers, String topic,
+				                     String username,
+				                     String password, boolean useHttps) throws IllegalArgumentException {
+
+			
+			if (topic == null || topic.isEmpty())
+				throw new IllegalArgumentException("No topic for DMaaP");
+
+			
+			if (protocol == ProtocolTypeConstants.AAF_AUTH) {
+				if (servers == null || servers.isEmpty())
+					throw new IllegalArgumentException("No DMaaP servers or DME2 partner provided");
+				
+				ArrayList<String> dmaapServers = new ArrayList<String>();
+				if(useHttps){
+					for (String server: servers) {
+						dmaapServers.add(server + ":3905");
+					}
+				
+				}
+				else{
+					for (String server: servers) {
+						dmaapServers.add(server + ":3904");
+					}				
+				}
+				
+										
+				this.publisher = 
+					new MRSimplerBatchPublisher.Builder().
+												againstUrls(dmaapServers).
+												onTopic(topic).
+												build();
+				
+				this.publisher.setProtocolFlag(ProtocolTypeConstants.AAF_AUTH.getValue());
+			} else if (protocol == ProtocolTypeConstants.DME2) {
+				ArrayList<String> dmaapServers = new ArrayList<String>();
+				dmaapServers.add("0.0.0.0:3904");
+						
+				this.publisher = 
+					new MRSimplerBatchPublisher.Builder().
+												againstUrls(dmaapServers).
+												onTopic(topic).
+												build();
+				
+				this.publisher.setProtocolFlag(ProtocolTypeConstants.DME2.getValue());
+			}
+			
+			this.publisher.logTo(LoggerFactory.getLogger(MRSimplerBatchPublisher.class.getName()));
+			
+			this.publisher.setUsername(username);
+			this.publisher.setPassword(password);  
+			
+			props = new Properties();
+						
+			if (useHttps) {				
+				props.setProperty("Protocol", "https");
+			} else {			
+				props.setProperty("Protocol", "http");
+			}
+
+			props.setProperty("contenttype", "application/json");
+			props.setProperty("username", username);
+			props.setProperty("password", password);
+			
+			props.setProperty("topic", topic);
+			
+			this.publisher.setProps(props);
+			
+			if (protocol == ProtocolTypeConstants.AAF_AUTH)
+				this.publisher.setHost(servers.get(0));
+			
+			logger.info("{}: CREATION: using protocol {}", this, protocol.getValue());
+		}
+
+		/**
+		 * {@inheritDoc}
+		 */
+		@Override
+		public void close() {
+			logger.info("{}: CLOSE", this);
+			
+			try {
+				this.publisher.close(1, TimeUnit.SECONDS);
+			} catch (Exception e) {
+				logger.warn("{}: CLOSE FAILED because of {}",
+						    this, e.getMessage(), e);
+			}
+		}
+		
+		/**
+		 * {@inheritDoc}
+		 */
+		@Override
+		public boolean send(String partitionId, String message) 
+				throws IllegalArgumentException {
+			if (message == null)
+				throw new IllegalArgumentException("No message provided");
+			
+			this.publisher.setPubResponse(new MRPublisherResponse());
+			this.publisher.send(partitionId, message);
+			MRPublisherResponse response = this.publisher.sendBatchWithResponse();
+			if (response != null) {
+				logger.debug("DMaaP publisher received {} : {}",
+						     response.getResponseCode(), 
+						     response.getResponseMessage());
+			}
+
+			return true;
+		}
+		
+		@Override
+		public String toString() {
+			StringBuilder builder = new StringBuilder();
+			builder.append("DmaapPublisherWrapper [").
+			append("publisher.getAuthDate()=").append(publisher.getAuthDate()).
+			append(", publisher.getAuthKey()=").append(publisher.getAuthKey()).
+			append(", publisher.getHost()=").append(publisher.getHost()).
+			append(", publisher.getProtocolFlag()=").append(publisher.getProtocolFlag()).
+			append(", publisher.getUsername()=").append(publisher.getUsername()).
+			append(", publisher.getPendingMessageCount()=").append(publisher.getPendingMessageCount()).
+			append("]");
+			return builder.toString();
+		}
+	}
+	
+	/**
+	 * DmaapClient library wrapper
+	 */
+	public static class DmaapAafPublisherWrapper extends DmaapPublisherWrapper {
+		/**
+		 * MR based Publisher
+		 */		
+		protected MRSimplerBatchPublisher publisher;
+		
+		public DmaapAafPublisherWrapper(List<String> servers, String topic,
+				                     String aafLogin,
+				                     String aafPassword, boolean useHttps) {
+			
+			super(ProtocolTypeConstants.AAF_AUTH, servers, topic, aafLogin, aafPassword, useHttps);
+		}
+	}
+	
+	public static class DmaapDmePublisherWrapper extends DmaapPublisherWrapper {
+		public DmaapDmePublisherWrapper(List<String> servers, String topic,
+										String username, String password,
+										String environment, String aftEnvironment, String dme2Partner,
+										String latitude, String longitude, Map<String,String> additionalProps, boolean useHttps) {
+			
+			super(ProtocolTypeConstants.DME2, servers, topic, username, password, useHttps);
+			
+			
+			
+			
+			
+			
+			String dme2RouteOffer = additionalProps.get(DmaapTopicSinkFactory.DME2_ROUTE_OFFER_PROPERTY);
+			
+			 if (environment == null || environment.isEmpty()) {
+				throw new IllegalArgumentException("Missing " + PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS +
+						"." + topic + PolicyProperties.PROPERTY_DMAAP_DME2_ENVIRONMENT_SUFFIX + " property for DME2 in DMaaP");
+			} if (aftEnvironment == null || aftEnvironment.isEmpty()) {
+				throw new IllegalArgumentException("Missing " + PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS +
+						"." + topic + PolicyProperties.PROPERTY_DMAAP_DME2_AFT_ENVIRONMENT_SUFFIX + " property for DME2 in DMaaP");
+			} if (latitude == null || latitude.isEmpty()) {
+				throw new IllegalArgumentException("Missing " + PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS +
+						"." + topic + PolicyProperties.PROPERTY_DMAAP_DME2_LATITUDE_SUFFIX + " property for DME2 in DMaaP");
+			} if (longitude == null || longitude.isEmpty()) {
+				throw new IllegalArgumentException("Missing " + PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS +
+						"." + topic + PolicyProperties.PROPERTY_DMAAP_DME2_LONGITUDE_SUFFIX + " property for DME2 in DMaaP");
+			}
+			
+			if ((dme2Partner == null || dme2Partner.isEmpty()) && (dme2RouteOffer == null || dme2RouteOffer.isEmpty())) {
+				throw new IllegalArgumentException("Must provide at least " + PolicyProperties.PROPERTY_DMAAP_SOURCE_TOPICS +
+						"." + topic + PolicyProperties.PROPERTY_DMAAP_DME2_PARTNER_SUFFIX + " or " + 
+						PolicyProperties.PROPERTY_DMAAP_SINK_TOPICS + "." + topic + PolicyProperties.PROPERTY_DMAAP_DME2_ROUTE_OFFER_SUFFIX + " for DME2");
+			}
+			
+			String serviceName = servers.get(0);
+			
+			/* These are required, no defaults */
+			props.setProperty("Environment", environment);
+			props.setProperty("AFT_ENVIRONMENT", aftEnvironment);
+			
+			props.setProperty(DmaapTopicSinkFactory.DME2_SERVICE_NAME_PROPERTY, serviceName);
+
+			if (dme2Partner != null)
+				props.setProperty("Partner", dme2Partner);
+			if (dme2RouteOffer != null)
+				props.setProperty(DmaapTopicSinkFactory.DME2_ROUTE_OFFER_PROPERTY, dme2RouteOffer);
+			
+			props.setProperty("Latitude", latitude);
+			props.setProperty("Longitude", longitude);
+			
+			// ServiceName also a default, found in additionalProps
+			
+			/* These are optional, will default to these values if not set in optionalProps */
+			props.setProperty("AFT_DME2_EP_READ_TIMEOUT_MS", "50000");
+			props.setProperty("AFT_DME2_ROUNDTRIP_TIMEOUT_MS", "240000");
+			props.setProperty("AFT_DME2_EP_CONN_TIMEOUT", "15000");
+			props.setProperty("Version", "1.0");
+			props.setProperty("SubContextPath", "/");
+			props.setProperty("sessionstickinessrequired", "no");
+			
+			/* These should not change */
+			props.setProperty("TransportType", "DME2");
+			props.setProperty("MethodType", "POST");
+			
+			for (String key : additionalProps.keySet()) {
+				String value = additionalProps.get(key);
+				
+				if (value != null)
+					props.setProperty(key, value);
+			}
+			
+			this.publisher.setProps(props);
+		}
+	}
+}