--- /dev/null
+/*******************************************************************************\r
+ * ============LICENSE_START==================================================\r
+ * * org.onap.dmaap\r
+ * * ===========================================================================\r
+ * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.\r
+ * * ===========================================================================\r
+ * * Licensed under the Apache License, Version 2.0 (the "License");\r
+ * * you may not use this file except in compliance with the License.\r
+ * * You may obtain a copy of the License at\r
+ * * \r
+ * * http://www.apache.org/licenses/LICENSE-2.0\r
+ * * \r
+ * * Unless required by applicable law or agreed to in writing, software\r
+ * * distributed under the License is distributed on an "AS IS" BASIS,\r
+ * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.\r
+ * * See the License for the specific language governing permissions and\r
+ * * limitations under the License.\r
+ * * ============LICENSE_END====================================================\r
+ * *\r
+ * * ECOMP is a trademark and service mark of AT&T Intellectual Property.\r
+ * *\r
+ ******************************************************************************/\r
+\r
+package org.onap.dmaap.datarouter.provisioning;\r
+\r
+import java.io.FileInputStream;\r
+import java.io.IOException;\r
+import java.io.InputStream;\r
+import java.net.HttpURLConnection;\r
+import java.net.InetAddress;\r
+import java.net.MalformedURLException;\r
+import java.net.URL;\r
+import java.net.UnknownHostException;\r
+import java.util.Arrays;\r
+import java.util.HashSet;\r
+import java.util.Map;\r
+import java.util.Properties;\r
+import java.util.Set;\r
+import java.util.Timer;\r
+import java.util.TimerTask;\r
+import java.util.TreeSet;\r
+\r
+import javax.servlet.ServletException;\r
+\r
+import org.apache.log4j.Logger;\r
+import org.json.JSONException;\r
+import org.json.JSONObject;\r
+import org.json.JSONTokener;\r
+import org.onap.dmaap.datarouter.provisioning.beans.EgressRoute;\r
+import org.onap.dmaap.datarouter.provisioning.beans.Feed;\r
+import org.onap.dmaap.datarouter.provisioning.beans.Group;\r
+import org.onap.dmaap.datarouter.provisioning.beans.IngressRoute;\r
+import org.onap.dmaap.datarouter.provisioning.beans.NetworkRoute;\r
+import org.onap.dmaap.datarouter.provisioning.beans.Parameters;\r
+import org.onap.dmaap.datarouter.provisioning.beans.Subscription;\r
+import org.onap.dmaap.datarouter.provisioning.utils.*;\r
+\r
+/**\r
+ * This class handles the two timers (described in R1 Design Notes), and takes care of issuing\r
+ * the GET to each node of the URL to "poke".\r
+ *\r
+ * @author Robert Eby\r
+ * @version $Id: Poker.java,v 1.11 2014/01/08 16:13:47 eby Exp $\r
+ */\r
+public class Poker extends TimerTask {\r
+ /** Template used to generate the URL to issue the GET against */\r
+ public static final String POKE_URL_TEMPLATE = "http://%s/internal/fetchProv";\r
+ \r
+ \r
+ \r
+\r
+ /** This is a singleton -- there is only one Poker object in the server */\r
+ private static Poker p;\r
+\r
+ /**\r
+ * Get the singleton Poker object.\r
+ * @return the Poker\r
+ */\r
+ public static synchronized Poker getPoker() {\r
+ if (p == null)\r
+ p = new Poker();\r
+ return p;\r
+ }\r
+\r
+ private long timer1;\r
+ private long timer2;\r
+ private Timer rolex;\r
+ private String this_pod; // DNS name of this machine\r
+ private Logger logger;\r
+ private String provstring;\r
+\r
+ private Poker() {\r
+ timer1 = timer2 = 0;\r
+ rolex = new Timer();\r
+ logger = Logger.getLogger("org.onap.dmaap.datarouter.provisioning.internal");\r
+ try {\r
+ this_pod = InetAddress.getLocalHost().getHostName();\r
+ } catch (UnknownHostException e) {\r
+ this_pod = "*UNKNOWN*"; // not a major problem\r
+ }\r
+ provstring = buildProvisioningString();\r
+\r
+ rolex.scheduleAtFixedRate(this, 0L, 1000L); // Run once a second to check the timers\r
+ }\r
+\r
+ /**\r
+ * This method sets the two timers described in the design notes.\r
+ * @param t1 the first timer controls how long to wait after a provisioning request before poking each node\r
+ * This timer can be reset if it has not "gone off".\r
+ * @param t2 the second timer set the outer bound on how long to wait. It cannot be reset.\r
+ */\r
+ public void setTimers(long t1, long t2) {\r
+ synchronized (this_pod) {\r
+ if (timer1 == 0 || t1 > timer1)\r
+ timer1 = t1;\r
+ if (timer2 == 0)\r
+ timer2 = t2;\r
+ }\r
+ if (logger.isDebugEnabled())\r
+ logger.debug("Poker timers set to " + timer1 + " and " + timer2);\r
+ \r
+ \r
+ }\r
+\r
+ /**\r
+ * Return the last provisioning string built.\r
+ * @return the last provisioning string built.\r
+ */\r
+ public String getProvisioningString() {\r
+ return provstring;\r
+ }\r
+\r
+ /**\r
+ * The method to run at the predefined interval (once per second). This method checks\r
+ * to see if either of the two timers has expired, and if so, will rebuild the provisioning\r
+ * string, and poke all the nodes and other PODs. The timers are then reset to 0.\r
+ */\r
+ @Override\r
+ public void run() {\r
+ try {\r
+ if (timer1 > 0) {\r
+ long now = System.currentTimeMillis();\r
+ boolean fire = false;\r
+ synchronized (this_pod) {\r
+ if (now > timer1 || now > timer2) {\r
+ timer1 = timer2 = 0;\r
+ fire = true;\r
+ }\r
+ }\r
+ if (fire) {\r
+ // Rebuild the prov string\r
+ provstring = buildProvisioningString();\r
+\r
+ // Only the active POD should poke nodes, etc.\r
+ boolean active = SynchronizerTask.getSynchronizer().isActive();\r
+ if (active) {\r
+ // Poke all the DR nodes\r
+ for (String n : BaseServlet.getNodes()) {\r
+ pokeNode(n);\r
+ }\r
+ // Poke the pod that is not us\r
+ for (String n : BaseServlet.getPods()) {\r
+ if (n.length() > 0 && !n.equals(this_pod))\r
+ pokeNode(n);\r
+ }\r
+ }\r
+ }\r
+ }\r
+ } catch (Exception e) {\r
+ logger.warn("PROV0020: Caught exception in Poker: "+e);\r
+ e.printStackTrace();\r
+ }\r
+ }\r
+ private void pokeNode(final String nodename) {\r
+ logger.debug("PROV0012 Poking node " + nodename + " ...");\r
+ Runnable r = new Runnable() {\r
+ @Override\r
+ public void run() {\r
+ \r
+ try {\r
+ String u = String.format(POKE_URL_TEMPLATE, nodename+":"+DB.HTTP_PORT);\r
+ URL url = new URL(u);\r
+ HttpURLConnection conn = (HttpURLConnection) url.openConnection();\r
+ conn.setConnectTimeout(60000); //Fixes for Itrack DATARTR-3, poke timeout\r
+ conn.connect();\r
+ conn.getContentLength(); // Force the GET through\r
+ conn.disconnect();\r
+ } catch (MalformedURLException e) {\r
+ logger.warn("PROV0013 MalformedURLException Error poking node "+nodename+": " + e.getMessage());\r
+ } catch (IOException e) {\r
+ logger.warn("PROV0013 IOException Error poking node "+nodename+": " + e.getMessage());\r
+ }\r
+ }\r
+ };\r
+// Thread t = new Thread(r);\r
+// t.start();\r
+ r.run();\r
+ }\r
+ @SuppressWarnings("unused")\r
+ private String buildProvisioningString() {\r
+ StringBuilder sb = new StringBuilder("{\n");\r
+\r
+ // Append Feeds to the string\r
+ String pfx = "\n";\r
+ sb.append("\"feeds\": [");\r
+ for (Feed f : Feed.getAllFeeds()) {\r
+ sb.append(pfx);\r
+ sb.append(f.asJSONObject().toString());\r
+ pfx = ",\n";\r
+ }\r
+ sb.append("\n],\n");\r
+ \r
+ //Append groups to the string - Rally:US708115 - 1610 \r
+ pfx = "\n"; \r
+ sb.append("\"groups\": ["); \r
+ for (Group s : Group.getAllgroups()) { \r
+ sb.append(pfx); \r
+ sb.append(s.asJSONObject().toString()); \r
+ pfx = ",\n"; \r
+ } \r
+ sb.append("\n],\n"); \r
+ \r
+\r
+ // Append Subscriptions to the string\r
+ pfx = "\n";\r
+ sb.append("\"subscriptions\": [");\r
+ for (Subscription s : Subscription.getAllSubscriptions()) {\r
+ sb.append(pfx);\r
+ if(s!=null)\r
+ sb.append(s.asJSONObject().toString());\r
+ pfx = ",\n";\r
+ }\r
+ sb.append("\n],\n");\r
+\r
+ // Append Parameters to the string\r
+ pfx = "\n";\r
+ sb.append("\"parameters\": {");\r
+ Map<String,String> props = Parameters.getParameters();\r
+ Set<String> ivals = new HashSet<String>();\r
+ String intv = props.get("_INT_VALUES");\r
+ if (intv != null)\r
+ ivals.addAll(Arrays.asList(intv.split("\\|")));\r
+ for (String key : new TreeSet<String>(props.keySet())) {\r
+ String v = props.get(key);\r
+ sb.append(pfx);\r
+ sb.append(" \"").append(key).append("\": ");\r
+ if (ivals.contains(key)) {\r
+ // integer value\r
+ sb.append(v);\r
+ } else if (key.endsWith("S")) {\r
+ // Split and append array of strings\r
+ String[] pp = v.split("\\|");\r
+ String p2 = "";\r
+ sb.append("[");\r
+ for (String t : pp) {\r
+ sb.append(p2).append("\"").append(quote(t)).append("\"");\r
+ p2 = ",";\r
+ }\r
+ sb.append("]");\r
+ } else {\r
+ sb.append("\"").append(quote(v)).append("\"");\r
+ }\r
+ pfx = ",\n";\r
+ }\r
+ sb.append("\n},\n");\r
+\r
+ // Append Routes to the string\r
+ pfx = "\n";\r
+ sb.append("\"ingress\": [");\r
+ for (IngressRoute in : IngressRoute.getAllIngressRoutes()) {\r
+ sb.append(pfx);\r
+ sb.append(in.asJSONObject().toString());\r
+ pfx = ",\n";\r
+ }\r
+ sb.append("\n],\n");\r
+\r
+ pfx = "\n";\r
+ sb.append("\"egress\": {");\r
+ for (EgressRoute eg : EgressRoute.getAllEgressRoutes()) {\r
+ sb.append(pfx);\r
+ String t = eg.asJSONObject().toString();\r
+ t = t.substring(1, t.length()-1);\r
+ sb.append(t);\r
+ pfx = ",\n";\r
+ }\r
+ sb.append("\n},\n");\r
+\r
+ pfx = "\n";\r
+ sb.append("\"routing\": [");\r
+ for (NetworkRoute ne : NetworkRoute.getAllNetworkRoutes()) {\r
+ sb.append(pfx);\r
+ sb.append(ne.asJSONObject().toString());\r
+ pfx = ",\n";\r
+ }\r
+ sb.append("\n]");\r
+ sb.append("\n}");\r
+\r
+ // Convert to string and verify it is valid JSON\r
+ String provstring = sb.toString();\r
+ try {\r
+ new JSONObject(new JSONTokener(provstring));\r
+ } catch (JSONException e) {\r
+ logger.warn("PROV0016: Possible invalid prov string: "+e);\r
+ }\r
+ return provstring;\r
+ }\r
+ private String quote(String s) {\r
+ StringBuilder sb = new StringBuilder();\r
+ for (char ch : s.toCharArray()) {\r
+ if (ch == '\\' || ch == '"') {\r
+ sb.append('\\');\r
+ }\r
+ sb.append(ch);\r
+ }\r
+ return sb.toString();\r
+ }\r
+}\r
Code Review / dmaap / datarouter.git / blobdiff