Exemplo n.º 1
0
 /**
  * Recalculate a page. Invokes the SCAN parser (which will re-cache the page through the scancache
  * module) Only works for SCAN.
  *
  * @param url of the page to cache
  */
 public void calcPage(String url) {
   scanparser m = (scanparser) Vwms.getMMBase().getModule("SCANPARSER");
   url = url.substring(0, url.length() - 5);
   url = url.replace(':', '?');
   log.debug("getPage=" + url);
   if (m != null) {
     scanpage sp = new scanpage();
     m.calcPage(url, sp, 0);
   }
 }
Exemplo n.º 2
0
  /**
   * Schedules a netfile object to be send to its mirror sites. The routine searches the appropriate
   * netfile node, and sets its status to 'request'. If a node does not exits, a new node is
   * created. In the latter case, the system also creates mirrornodes for each mirrorsite associated
   * with this service.
   *
   * @param service the service to be performed
   * @param subservice the subservice to be performed
   * @param filename the filename to service
   */
  public void handleMainCheck(String service, String subservice, String filename) {
    log.debug("Reached handleMainCheck");
    Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
    Enumeration e =
        bul.search(
            "WHERE filename='"
                + filename
                + "' AND service='"
                + service
                + "' AND subservice='"
                + subservice
                + "'");
    if (e.hasMoreElements()) {
      MMObjectNode mainnode = (MMObjectNode) e.nextElement();
      mainnode.setValue("status", Netfiles.STATUS_REQUEST);
      mainnode.commit();
    } else {
      MMObjectNode mainnode = bul.getNewNode("system");
      mainnode.setValue("filename", filename);
      mainnode.setValue("mmserver", Vwms.getMMBase().getMachineName());
      mainnode.setValue("service", service);
      mainnode.setValue("subservice", subservice);
      mainnode.setValue("status", Netfiles.STATUS_REQUEST);
      mainnode.setValue("filesize", -1);
      bul.insert("system", mainnode);

      Enumeration f = getMirrorNodes(service).elements();
      while (f.hasMoreElements()) {
        MMObjectNode n2 = (MMObjectNode) f.nextElement();
        // hack hack also have to create mirror nodes !
        mainnode = bul.getNewNode("system");
        mainnode.setValue("filename", filename);
        mainnode.setValue("mmserver", n2.getStringValue("name"));
        mainnode.setValue("service", service);
        mainnode.setValue("subservice", "mirror");
        mainnode.setValue("status", Netfiles.STATUS_DONE);
        mainnode.setValue("filesize", -1);
        bul.insert("system", mainnode);
      }
    }
  }
Exemplo n.º 3
0
 /**
  * Performs general periodic maintenance. This routine handles alle open pages/main and
  * pages/mirror file service requests. These requests are obtained from the netfiles builder. For
  * each file that should be serviced, the filechange method is called. This routine handles a
  * maximum of 10 page/main, and 50 page/mirror service calls each time it is called. The first
  * time this method is call, nothing happens (?)
  *
  * @return <code>true</code> if maintenance was performed, <code>false</code> otherwise
  */
 public boolean probeCall() {
   if (first) {
     // skip first time this method is called
     first = false;
   } else {
     // handle up to 10 pages/main fileservice requests
     try {
       Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
       // Enumeration e=bul.search("WHERE service='pages' AND subservice='main' AND
       // status="+Netfiles.STATUS_REQUEST+" ORDER BY number DESC");
       Enumeration e =
           bul.search("service=='pages'+subservice=='main'+status=" + Netfiles.STATUS_REQUEST);
       int i = 0;
       while (e.hasMoreElements() && i < 10) {
         MMObjectNode node = (MMObjectNode) e.nextElement();
         fileChange("" + node.getIntValue("number"), "c");
         i++;
       }
     } catch (Exception e) {
       log.error(Logging.stackTrace(e));
     }
     // handle up to 50 pages/mirror fileservice requests
     try {
       Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
       Enumeration e =
           bul.search("service=='pages'+subservice=='mirror'+status=" + Netfiles.STATUS_REQUEST);
       // Enumeration e=bul.search("WHERE service='pages' AND subservice='mirror' AND
       // status="+Netfiles.STATUS_REQUEST+" ORDER BY number DESC");
       int i = 0;
       while (e.hasMoreElements() && i < 50) {
         MMObjectNode node = (MMObjectNode) e.nextElement();
         fileChange("" + node.getIntValue("number"), "c");
         i++;
       }
     } catch (Exception e) {
       log.error(Logging.stackTrace(e));
     }
   }
   return true;
 }
Exemplo n.º 4
0
 /**
  * Retrieves a list of Mirror Servers. This is done by obtaining a fileserver node and retrieving
  * associated mmserver nodes. This method should be renamed and moved to the netfilesrv builder.
  *
  * @param service preseumably the service to query for. Unused.
  * @return a <code>Vector</code> containing mmserver nodes that act as mirror server for this
  *     service
  */
 public Vector getMirrorNodes(String service) {
   if (mirrornodes != null) return mirrornodes;
   NetFileSrv bul = (NetFileSrv) Vwms.getMMBase().getMMObject("netfilesrv");
   if (bul != null) {
     Enumeration e = bul.search("service=='pages'+subservice=='mirror'");
     if (e.hasMoreElements()) {
       MMObjectNode n1 = (MMObjectNode) e.nextElement();
       mirrornodes = n1.getRelatedNodes("mmservers");
       if (mirrornodes != null) return mirrornodes;
     }
   }
   mirrornodes = new Vector();
   return mirrornodes;
 }
Exemplo n.º 5
0
  /**
   * Handles a main subservice on a page. The page is scheduled to be sent to all appropriate
   * mirrorsites for this service, by setting the request status in the associated mirror nodes. If
   * no mirror nodes are associated with this page, nothing happens.
   *
   * @param filenode the netfiles node with the original (main) request
   */
  public boolean doMainRequest(MMObjectNode filenode) {
    // so this file has changed probably, check if the file is ready on
    // disk and set the mirrors to request.
    String filename = filenode.getStringValue("filename");

    // find and change all the mirror nodes so they get resend
    Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
    Enumeration e =
        bul.search("WHERE filename='" + filename + "' AND service='pages' AND subservice='mirror'");
    while (e.hasMoreElements()) {
      MMObjectNode mirrornode = (MMObjectNode) e.nextElement();
      mirrornode.setValue("status", Netfiles.STATUS_REQUEST);
      mirrornode.commit();
    }
    return true;
  }
Exemplo n.º 6
0
  /**
   * Handles a service-request on a file, registered in the netfiles builder. Depending on the
   * subservice requested, this routine calls {@link #handleMirror} or {@link #handleMain}.
   *
   * @param number Number of the node in the netfiles buidler than contain service request
   *     information.
   * @param ctype the type of change on that node ("c" : node was changed)
   * @return <code>true</code>
   */
  public boolean fileChange(String number, String ctype) {
    // log.debug("fileChange="+number+" "+ctype);
    // first get the change node so we can see what is the matter with it.
    Netfiles bul = (Netfiles) Vwms.getMMBase().getMMObject("netfiles");
    MMObjectNode filenode = bul.getNode(number);
    if (filenode != null) {
      // obtain all the basic info on the file.
      String service = filenode.getStringValue("service");
      String subservice = filenode.getStringValue("subservice");
      int status = filenode.getIntValue("status");

      // jump to correct subhandles based on the subservice
      if (subservice.equals("main")) {
        return handleMain(filenode, status, ctype);
      } else if (subservice.equals("mirror")) {
        return handleMirror(filenode, status, ctype);
      }
    }
    return true;
  }
Exemplo n.º 7
0
 /**
  * Retrieves a named property of a server.
  *
  * @param machine name of the server
  * @param key name of the property to retrieve
  * @return the property value
  */
 public String getProperty(String machine, String key) {
   MMServers mmservers = (MMServers) Vwms.getMMBase().getMMObject("mmservers");
   return mmservers.getMMServerProperty(machine, key);
 }