src/org/cacert/gigi/ping/PingerDaemon.java

   1 package org.cacert.gigi.ping;
   2
   3 import java.security.KeyStore;
   4 import java.util.HashMap;
   5 import java.util.LinkedList;
   6 import java.util.Queue;
   7
   8 import org.cacert.gigi.database.GigiPreparedStatement;
   9 import org.cacert.gigi.database.GigiResultSet;
  10 import org.cacert.gigi.dbObjects.Domain;
  11 import org.cacert.gigi.dbObjects.DomainPingConfiguration;
  12 import org.cacert.gigi.dbObjects.DomainPingType;
  13 import org.cacert.gigi.util.RandomToken;
  14
  15 public class PingerDaemon extends Thread {
  16
  17     HashMap<DomainPingType, DomainPinger> pingers = new HashMap<>();
  18
  19     private GigiPreparedStatement searchNeededPings;
  20
  21     private KeyStore truststore;
  22
  23     private Queue<DomainPingConfiguration> toExecute = new LinkedList<>();
  24
  25     public PingerDaemon(KeyStore truststore) {
  26         this.truststore = truststore;
  27     }
  28
  29     @Override
  30     public void run() {
  31         searchNeededPings = new GigiPreparedStatement("SELECT `pingconfig`.`id` FROM `pingconfig` LEFT JOIN `domainPinglog` ON `domainPinglog`.`configId` = `pingconfig`.`id` INNER JOIN `domains` ON `domains`.`id` = `pingconfig`.`domainid` WHERE ( `domainPinglog`.`configId` IS NULL) AND `domains`.`deleted` IS NULL GROUP BY `pingconfig`.`id`");
  32         pingers.put(DomainPingType.EMAIL, new EmailPinger());
  33         pingers.put(DomainPingType.SSL, new SSLPinger(truststore));
  34         pingers.put(DomainPingType.HTTP, new HTTPFetch());
  35         pingers.put(DomainPingType.DNS, new DNSPinger());
  36
  37         while (true) {
  38             try {
  39                 boolean worked = false;
  40                 synchronized (this) {
  41                     DomainPingConfiguration conf;
  42                     while ((conf = toExecute.peek()) != null) {
  43                         worked = true;
  44                         handle(conf);
  45                         toExecute.remove();
  46                     }
  47                     notifyAll();
  48                 }
  49
  50                 GigiResultSet rs = searchNeededPings.executeQuery();
  51                 while (rs.next()) {
  52                     worked = true;
  53                     handle(DomainPingConfiguration.getById(rs.getInt("id")));
  54                 }
  55                 try {
  56                     if ( !worked) {
  57                         Thread.sleep(5000);
  58                     }
  59                 } catch (InterruptedException e) {
  60                 }
  61             } catch (Throwable t) {
  62                 t.printStackTrace();
  63             }
  64         }
  65     }
  66
  67     private void handle(DomainPingConfiguration conf) {
  68         DomainPingType type = conf.getType();
  69         String config = conf.getInfo();
  70         DomainPinger dp = pingers.get(type);
  71         if (dp != null) {
  72             if (dp instanceof EmailPinger) {
  73                 String token = null;
  74                 token = RandomToken.generateToken(16);
  75                 config = config + ":" + token;
  76             }
  77             Domain target = conf.getTarget();
  78             System.err.println("Executing " + dp + " on " + target + " (" + System.currentTimeMillis() + ")");
  79             try {
  80                 dp.ping(target, config, target.getOwner(), conf.getId());
  81             } catch (Throwable t) {
  82                 t.printStackTrace();
  83                 DomainPinger.enterPingResult(conf.getId(), "error", "exception", null);
  84             }
  85             System.err.println("done (" + System.currentTimeMillis() + ")");
  86         }
  87     }
  88
  89     public synchronized void queue(DomainPingConfiguration toReping) {
  90         interrupt();
  91         toExecute.add(toReping);
  92         while (toExecute.size() > 0) {
  93             try {
  94                 wait();
  95             } catch (InterruptedException e) {
  96                 e.printStackTrace();
  97             }
  98         }
  99     }
 100 }