コード例 #1
0
  @RequestMapping(value = VIDEO_SEARCH_PATH, method = RequestMethod.GET)
  public @ResponseBody String[] searchVideo(
      @RequestParam(value = "username") String uName,
      @RequestParam(value = "video") String videoHash,
      HttpServletResponse response) {
    System.out.println("Search from:" + uName);
    if (!user_vidNameMap.containsKey(uName)) {
      response.setStatus(402); // client not connected
      return null;
    }

    Set<String> users = vidName_UserMap.get(videoHash);

    if (users == null) {
      System.out.println("Srearching main server\n");
      try {
        users = masterService.psSearch(hostAdder, videoHash);
      } catch (Exception e) {
        System.err.println(e.getMessage());
        return null;
      }
      if (users == null) return null;
      if (vidName_UserMap.containsKey(videoHash)) {
        vidName_UserMap.get(videoHash).addAll(users);
      } else {
        Set<String> s = new HashSet<String>();
        s.addAll(users);
        vidName_UserMap.put(videoHash, s);
      }
    } else {
      Iterator<String> it = users.iterator();
      while (it.hasNext()) {
        String temp = it.next();
        if (!activeUsers.contains(temp)) {
          it.remove();
        }
      }
    }
    System.out.println("Search result : " + Arrays.asList(users.toArray(new String[0])));
    // String [] a = new String[]
    return users.toArray(new String[0]);
  }
コード例 #2
0
  private void removeUser(String user) {
    int count = 0;

    if (user_vidNameMap.containsKey(user)) {
      Set<String> vids = user_vidNameMap.get(user);
      Iterator<String> it = vids.iterator();
      while (it.hasNext()) {
        removeFromvidName_UserMap(user, it.next());
      }
      vids.clear();
      user_vidNameMap.remove(user);
    }
    activeUsers.remove(user);
    int ans = masterService.psDisConnectClient(hostAdder, user);
    while (ans != ACK) {
      if (count > 10) throw new RuntimeException("Time out in removing user from MS");
      reconnectToMS();
      ans = masterService.psDisConnectClient(hostAdder, user);
      count++;
    }
    System.out.println("User " + user + " removed.");
  }
コード例 #3
0
 @Scheduled(fixedDelay = SCHEDULED_CHECK)
 public void checkActiveClients() {
   Set<String> users = user_vidNameMap.keySet();
   Iterator<String> it = users.iterator();
   long time = System.currentTimeMillis();
   int count = 0;
   while (it.hasNext()) {
     count++;
     String user = it.next();
     if (user == null) continue;
     if (userAliveMap.containsKey(user)) {
       if (userAliveMap.get(user).longValue() < time) {
         removeUser(user);
         userAliveMap.remove(user);
       }
     } else {
       throw new RuntimeException("user in user-vid map but not in user-alive map");
     }
   }
   // System.out.println("Debug: Scheduled Check count:"+count+" user
   // count:"+user_vidNameMap.size());
   System.gc();
 }