2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.ccsdk.sli.plugins.fabricdiscovery;
25 import java.net.URISyntaxException;
27 import java.util.concurrent.ConcurrentHashMap;
28 import java.util.concurrent.ExecutorService;
29 import java.util.concurrent.Executors;
30 import org.onap.ccsdk.sli.core.sli.SvcLogicContext;
31 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
32 import org.onap.ccsdk.sli.core.sli.SvcLogicJavaPlugin;
33 import org.slf4j.Logger;
34 import org.slf4j.LoggerFactory;
37 public class FabricDiscoveryPlugin implements SvcLogicJavaPlugin, IFabricDiscoveryService {
39 private ExecutorService service;
40 private Map<String, WebSocketClient> streamMap;
41 private static final Logger LOG = LoggerFactory.getLogger(FabricDiscoveryPlugin.class);
43 public FabricDiscoveryPlugin() {
44 service = Executors.newFixedThreadPool(10);
45 streamMap = new ConcurrentHashMap<String, WebSocketClient> ();
49 public void processDcNotificationStream (Map<String, String> paramMap, SvcLogicContext ctx) throws SvcLogicException {
50 boolean enable = Boolean.parseBoolean(parseParam(paramMap, "enable", true, null));
51 String stream = parseParam(paramMap, "stream", true, null);
53 LOG.info("{} monitoring notification stream: {}", (enable) ? "START" : "STOP", stream);
55 service.execute(new Runnable () {
58 URI uri = new URI(stream);
60 if (streamMap.get(stream) != null) {
61 LOG.info("Notification Stream: {} is already being monitoried", stream);
64 IClientMessageCallback messageCallback = new ClientMessageCallback();
65 WebSocketClient wcClient = new WebSocketClient(uri, messageCallback);
66 streamMap.put(stream, wcClient);
67 wcClient.initialize();
70 } catch (InterruptedException e) {
71 LOG.info("Web Socket Client throws Exception: ", e.getMessage());
74 WebSocketClient wc = streamMap.get(stream);
78 } catch (InterruptedException e) {
79 LOG.info("Web Socket Client throws Exception: ", e.getMessage());
83 } catch (URISyntaxException e) {
84 LOG.info("Exception converting stream to URI with: ", e.getMessage());
88 } catch (Exception e) {
89 LOG.info("Web Socket client connection throws an exception: ", e.getMessage());
93 private String parseParam(Map<String, String> paramMap, String name, boolean required, String def)
94 throws SvcLogicException {
95 String s = paramMap.get(name);
97 if (s == null || s.trim().length() == 0) {
100 throw new SvcLogicException("Parameter " + name + " is required in PropertiesNode");
106 int i1 = s.indexOf('%');
108 int i2 = s.indexOf('%', i1 + 1);
110 throw new SvcLogicException("Cannot parse parameter " + name + ": " + s + ": no matching %");
112 String varName = s.substring(i1 + 1, i2);
113 String varValue = System.getenv(varName);
114 if (varValue == null)
117 value = (new StringBuilder()).append(value)
118 .append(s.substring(i, i1))
119 .append(varValue).toString();
121 i1 = s.indexOf('%', i);
123 value = (new StringBuilder()).append(value)
124 .append(s.substring(i)).toString();
126 LOG.info("Parameter {}: {}", name, value);