1 /*******************************************************************************
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2 * ============LICENSE_START==================================================
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4 * * ===========================================================================
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5 * * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
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6 * * ===========================================================================
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7 * * Licensed under the Apache License, Version 2.0 (the "License");
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8 * * you may not use this file except in compliance with the License.
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9 * * You may obtain a copy of the License at
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11 * * http://www.apache.org/licenses/LICENSE-2.0
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13 * * Unless required by applicable law or agreed to in writing, software
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14 * * distributed under the License is distributed on an "AS IS" BASIS,
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15 * * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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16 * * See the License for the specific language governing permissions and
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17 * * limitations under the License.
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18 * * ============LICENSE_END====================================================
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20 * * ECOMP is a trademark and service mark of AT&T Intellectual Property.
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22 ******************************************************************************/
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25 package org.onap.dmaap.datarouter.provisioning.utils;
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27 import java.io.File;
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28 import java.io.FileInputStream;
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29 import java.io.IOException;
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30 import java.io.InputStream;
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31 import java.io.InputStreamReader;
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32 import java.io.LineNumberReader;
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33 import java.security.KeyStore;
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34 import java.util.Arrays;
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35 import java.util.Properties;
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37 import javax.servlet.http.HttpServletResponse;
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39 import org.apache.http.HttpEntity;
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40 import org.apache.http.HttpResponse;
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41 import org.apache.http.StatusLine;
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42 import org.apache.http.client.methods.HttpDelete;
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43 import org.apache.http.client.methods.HttpGet;
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44 import org.apache.http.client.methods.HttpPost;
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45 import org.apache.http.conn.scheme.Scheme;
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46 import org.apache.http.conn.ssl.SSLSocketFactory;
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47 import org.apache.http.impl.client.AbstractHttpClient;
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48 import org.apache.http.impl.client.DefaultHttpClient;
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49 import org.apache.http.util.EntityUtils;
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50 import org.json.JSONArray;
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51 import org.json.JSONObject;
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52 import org.json.JSONTokener;
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55 * This class provides a Command Line Interface for the routing tables in the DR Release 2.0 DB.
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56 * A full description of this command is <a href="http://wiki.proto.research.att.com/doku.php?id=datarouter-route-cli">here</a>.
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58 * @author Robert Eby
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59 * @version $Id: DRRouteCLI.java,v 1.2 2013/11/05 15:54:16 eby Exp $
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61 public class DRRouteCLI {
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63 * Invoke the CLI. The CLI can be run with a single command (given as command line arguments),
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64 * or in an interactive mode where the user types a sequence of commands to the program. The CLI is invoked via:
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66 * java org.onap.dmaap.datarouter.provisioning.utils.DRRouteCLI [ -s <i>server</i> ] [ <i>command</i> ]
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68 * A full description of the arguments to this command are
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69 * <a href="http://wiki.proto.research.att.com/doku.php?id=datarouter-route-cli">here</a>.
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71 * @param args command line arguments
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72 * @throws Exception for any unrecoverable problem
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74 public static void main(String[] args) throws Exception {
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75 String server = System.getenv(ENV_VAR);
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76 if (args.length >= 2 && args[0].equals("-s")) {
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78 String[] t = new String[args.length - 2];
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80 System.arraycopy(args, 2, t, 0, t.length);
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83 if (server == null || server.equals("")) {
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84 System.err.println("dr-route: you need to specify a server, either via $PROVSRVR or the '-s' option.");
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87 DRRouteCLI cli = new DRRouteCLI(server);
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88 if (args.length > 0) {
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89 boolean b = cli.runCommand(args);
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90 System.exit(b ? 0 : 1);
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97 public static final String ENV_VAR = "PROVSRVR";
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98 public static final String PROMPT = "dr-route> ";
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99 public static final String DEFAULT_TRUSTSTORE_PATH = /* $JAVA_HOME + */ "/jre/lib/security/cacerts";
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101 private final String server;
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102 private int width = 120; // screen width (for list)
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103 private AbstractHttpClient httpclient;
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106 * Create a DRRouteCLI object connecting to the specified server.
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108 * @param server the server to send command to
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109 * @throws Exception
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111 public DRRouteCLI(String server) throws Exception {
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112 this.server = server;
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114 this.httpclient = new DefaultHttpClient();
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116 Properties p = (new DB()).getProperties();
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117 String truststore_file = p.getProperty("org.onap.dmaap.datarouter.provserver.truststore.path");
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118 String truststore_pw = p.getProperty("org.onap.dmaap.datarouter.provserver.truststore.password");
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120 KeyStore trustStore = KeyStore.getInstance(KeyStore.getDefaultType());
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121 if (truststore_file == null || truststore_file.equals("")) {
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122 String jhome = System.getenv("JAVA_HOME");
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123 if (jhome == null || jhome.equals(""))
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124 jhome = "/opt/java/jdk/jdk180";
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125 truststore_file = jhome + DEFAULT_TRUSTSTORE_PATH;
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127 File f = new File(truststore_file);
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129 FileInputStream instream = new FileInputStream(f);
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131 trustStore.load(instream, truststore_pw.toCharArray());
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132 } catch (Exception x) {
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133 System.err.println("Problem reading truststore: " + x);
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138 } catch (Exception ignore) {
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143 SSLSocketFactory socketFactory = new SSLSocketFactory(trustStore);
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144 Scheme sch = new Scheme("https", 443, socketFactory);
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145 httpclient.getConnectionManager().getSchemeRegistry().register(sch);
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148 private void interactive() throws IOException {
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149 LineNumberReader in = new LineNumberReader(new InputStreamReader(System.in));
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151 System.out.print(PROMPT);
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152 String line = in.readLine();
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155 line = line.trim();
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156 if (line.equalsIgnoreCase("exit")) // "exit" may only be used in interactive mode
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158 if (line.equalsIgnoreCase("quit")) // "quit" may only be used in interactive mode
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160 String[] args = line.split("[ \t]+");
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161 if (args.length > 0)
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167 * Run the command specified by the arguments.
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169 * @param args The command line arguments.
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170 * @return true if the command was valid and succeeded
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172 public boolean runCommand(String[] args) {
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173 String cmd = args[0].trim().toLowerCase();
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174 if (cmd.equals("add")) {
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175 if (args.length > 2) {
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176 if (args[1].startsWith("in") && args.length >= 6) {
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177 return addIngress(args);
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179 if (args[1].startsWith("eg") && args.length == 4) {
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180 return addEgress(args);
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182 if (args[1].startsWith("ne") && args.length == 5) {
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183 return addRoute(args);
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186 System.err.println("Add command should be one of:");
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187 System.err.println(" add in[gress] feedid user subnet nodepatt [ seq ]");
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188 System.err.println(" add eg[ress] subid node");
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189 System.err.println(" add ne[twork] fromnode tonode vianode");
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190 } else if (cmd.startsWith("del")) {
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191 if (args.length > 2) {
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192 if (args[1].startsWith("in") && args.length == 5) {
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193 return delIngress(args);
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195 if (args[1].startsWith("in") && args.length == 3) {
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196 return delIngress(args);
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198 if (args[1].startsWith("eg") && args.length == 3) {
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199 return delEgress(args);
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201 if (args[1].startsWith("ne") && args.length == 4) {
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202 return delRoute(args);
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205 System.err.println("Delete command should be one of:");
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206 System.err.println(" del in[gress] feedid user subnet");
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207 System.err.println(" del in[gress] seq");
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208 System.err.println(" del eg[ress] subid");
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209 System.err.println(" del ne[twork] fromnode tonode");
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210 } else if (cmd.startsWith("lis")) {
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212 } else if (cmd.startsWith("wid") && args.length > 1) {
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213 width = Integer.parseInt(args[1]);
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215 } else if (cmd.startsWith("?") || cmd.startsWith("hel") || cmd.startsWith("usa")) {
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217 } else if (cmd.startsWith("#")) {
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218 // comment -- ignore
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220 System.err.println("Command should be one of add, del, list, exit, quit");
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225 private void usage() {
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226 System.out.println("Enter one of the following commands:");
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227 System.out.println(" add in[gress] feedid user subnet nodepatt [ seq ]");
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228 System.out.println(" add eg[ress] subid node");
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229 System.out.println(" add ne[twork] fromnode tonode vianode");
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230 System.out.println(" del in[gress] feedid user subnet");
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231 System.out.println(" del in[gress] seq");
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232 System.out.println(" del eg[ress] subid");
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233 System.out.println(" del ne[twork] fromnode tonode");
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234 System.out.println(" list [ all | ingress | egress | network ]");
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235 System.out.println(" exit");
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236 System.out.println(" quit");
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239 private boolean addIngress(String[] args) {
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240 String url = String.format("https://%s/internal/route/ingress/?feed=%s&user=%s&subnet=%s&nodepatt=%s", server, args[2], args[3], args[4], args[5]);
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241 if (args.length > 6)
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242 url += "&seq=" + args[6];
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243 return doPost(url);
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246 private boolean addEgress(String[] args) {
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247 String url = String.format("https://%s/internal/route/egress/?sub=%s&node=%s", server, args[2], args[3]);
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248 return doPost(url);
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251 private boolean addRoute(String[] args) {
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252 String url = String.format("https://%s/internal/route/network/?from=%s&to=%s&via=%s", server, args[2], args[3], args[4]);
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253 return doPost(url);
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256 private boolean delIngress(String[] args) {
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258 if (args.length == 5) {
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259 String subnet = args[4].replaceAll("/", "!"); // replace the / with a !
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260 url = String.format("https://%s/internal/route/ingress/%s/%s/%s", server, args[2], args[3], subnet);
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262 url = String.format("https://%s/internal/route/ingress/%s", server, args[2]);
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264 return doDelete(url);
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267 private boolean delEgress(String[] args) {
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268 String url = String.format("https://%s/internal/route/egress/%s", server, args[2]);
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269 return doDelete(url);
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272 private boolean delRoute(String[] args) {
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273 String url = String.format("https://%s/internal/route/network/%s/%s", server, args[2], args[3]);
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274 return doDelete(url);
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277 private boolean list(String[] args) {
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278 String tbl = (args.length == 1) ? "all" : args[1].toLowerCase();
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279 JSONObject jo = doGet("https://" + server + "/internal/route/"); // Returns all 3 tables
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280 StringBuilder sb = new StringBuilder();
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281 if (tbl.startsWith("al") || tbl.startsWith("in")) {
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283 JSONArray irt = jo.optJSONArray("ingress");
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284 int cw1 = 6, cw2 = 6, cw3 = 6, cw4 = 6; // determine column widths for first 4 cols
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285 for (int i = 0; irt != null && i < irt.length(); i++) {
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286 JSONObject e = irt.getJSONObject(i);
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287 cw1 = Math.max(cw1, ("" + e.getInt("seq")).length());
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288 cw2 = Math.max(cw2, ("" + e.getInt("feedid")).length());
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289 String t = e.optString("user");
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290 cw3 = Math.max(cw3, (t == null) ? 1 : t.length());
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291 t = e.optString("subnet");
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292 cw4 = Math.max(cw4, (t == null) ? 1 : t.length());
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295 int nblank = cw1 + cw2 + cw3 + cw4 + 8;
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296 sb.append("Ingress Routing Table\n");
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297 sb.append(String.format("%s %s %s %s Nodes\n", ext("Seq", cw1), ext("FeedID", cw2), ext("User", cw3), ext("Subnet", cw4)));
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298 for (int i = 0; irt != null && i < irt.length(); i++) {
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299 JSONObject e = irt.getJSONObject(i);
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300 String seq = "" + e.getInt("seq");
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301 String feedid = "" + e.getInt("feedid");
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302 String user = e.optString("user");
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303 String subnet = e.optString("subnet");
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304 if (user.equals("")) user = "-";
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305 if (subnet.equals("")) subnet = "-";
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306 JSONArray nodes = e.getJSONArray("node");
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307 int sol = sb.length();
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308 sb.append(String.format("%s %s %s %s ", ext(seq, cw1), ext(feedid, cw2), ext(user, cw3), ext(subnet, cw4)));
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309 for (int j = 0; j < nodes.length(); j++) {
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310 String nd = nodes.getString(j);
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311 int cursor = sb.length() - sol;
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312 if (j > 0 && (cursor + nd.length() > width)) {
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315 sb.append(ext(" ", nblank));
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318 if ((j + 1) < nodes.length()) {
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325 if (tbl.startsWith("al") || tbl.startsWith("eg")) {
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327 JSONObject ert = jo.optJSONObject("egress");
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328 String[] subs = (ert == null) ? new String[0] : JSONObject.getNames(ert);
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330 subs = new String[0];
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333 for (int i = 0; i < subs.length; i++) {
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334 cw1 = Math.max(cw1, subs[i].length());
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337 if (sb.length() > 0)
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339 sb.append("Egress Routing Table\n");
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340 sb.append(String.format("%s Node\n", ext("SubID", cw1)));
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341 for (int i = 0; i < subs.length; i++) {
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342 String node = ert.getString(subs[i]);
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343 sb.append(String.format("%s %s\n", ext(subs[i], cw1), node));
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346 if (tbl.startsWith("al") || tbl.startsWith("ne")) {
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348 JSONArray nrt = jo.optJSONArray("routing");
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349 int cw1 = 4, cw2 = 4;
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350 for (int i = 0; nrt != null && i < nrt.length(); i++) {
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351 JSONObject e = nrt.getJSONObject(i);
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352 String from = e.getString("from");
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353 String to = e.getString("to");
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354 cw1 = Math.max(cw1, from.length());
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355 cw2 = Math.max(cw2, to.length());
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358 if (sb.length() > 0)
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360 sb.append("Network Routing Table\n");
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361 sb.append(String.format("%s %s Via\n", ext("From", cw1), ext("To", cw2)));
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362 for (int i = 0; nrt != null && i < nrt.length(); i++) {
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363 JSONObject e = nrt.getJSONObject(i);
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364 String from = e.getString("from");
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365 String to = e.getString("to");
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366 String via = e.getString("via");
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367 sb.append(String.format("%s %s %s\n", ext(from, cw1), ext(to, cw2), via));
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370 System.out.print(sb.toString());
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374 private String ext(String s, int n) {
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377 while (s.length() < n)
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382 private boolean doDelete(String url) {
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383 boolean rv = false;
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384 HttpDelete meth = new HttpDelete(url);
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386 HttpResponse response = httpclient.execute(meth);
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387 HttpEntity entity = response.getEntity();
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388 StatusLine sl = response.getStatusLine();
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389 rv = (sl.getStatusCode() == HttpServletResponse.SC_OK);
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391 System.out.println("Routing entry deleted.");
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392 EntityUtils.consume(entity);
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394 printErrorText(entity);
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396 } catch (Exception e) {
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398 meth.releaseConnection();
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403 private JSONObject doGet(String url) {
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404 JSONObject rv = new JSONObject();
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405 HttpGet meth = new HttpGet(url);
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407 HttpResponse response = httpclient.execute(meth);
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408 HttpEntity entity = response.getEntity();
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409 StatusLine sl = response.getStatusLine();
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410 if (sl.getStatusCode() == HttpServletResponse.SC_OK) {
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411 rv = new JSONObject(new JSONTokener(entity.getContent()));
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413 printErrorText(entity);
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415 } catch (Exception e) {
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416 System.err.println(e);
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418 meth.releaseConnection();
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423 private boolean doPost(String url) {
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424 boolean rv = false;
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425 HttpPost meth = new HttpPost(url);
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427 HttpResponse response = httpclient.execute(meth);
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428 HttpEntity entity = response.getEntity();
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429 StatusLine sl = response.getStatusLine();
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430 rv = (sl.getStatusCode() == HttpServletResponse.SC_OK);
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432 System.out.println("Routing entry added.");
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433 EntityUtils.consume(entity);
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435 printErrorText(entity);
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437 } catch (Exception e) {
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439 meth.releaseConnection();
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444 private void printErrorText(HttpEntity entity) throws IllegalStateException, IOException {
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445 // Look for and print only the part of the output between <pre>...</pre>
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446 InputStream is = entity.getContent();
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447 StringBuilder sb = new StringBuilder();
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448 byte[] b = new byte[512];
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450 while ((n = is.read(b)) > 0) {
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451 sb.append(new String(b, 0, n));
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454 int ix = sb.indexOf("<pre>");
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456 sb.delete(0, ix + 5);
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457 ix = sb.indexOf("</pre>");
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459 sb.delete(ix, sb.length());
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460 System.err.println(sb.toString());
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