Exemplo n.º 1
0
 protected Map<String, Long> dumpChannelStats() {
   Map<String, Long> retval = new HashMap<>();
   retval.put("sent_msgs", sent_msgs);
   retval.put("sent_bytes", sent_bytes);
   retval.put("received_msgs", received_msgs);
   retval.put("received_bytes", received_bytes);
   return retval;
 }
Exemplo n.º 2
0
 @ManagedOperation
 public Map<String, Object> dumpStats() {
   Map<String, Object> retval = prot_stack.dumpStats();
   if (retval != null) {
     Map<String, Long> tmp = dumpChannelStats();
     if (tmp != null) retval.put("channel", tmp);
   }
   return retval;
 }
Exemplo n.º 3
0
 public Map<String, Object> dumpStats() {
   Map<String, Object> m = super.dumpStats();
   m.put("num_msgs_sent", num_msgs_sent);
   m.put("num_msgs_received", num_msgs_received);
   m.put("num_bytes_sent", num_bytes_sent);
   m.put("num_bytes_received", num_bytes_received);
   m.put("num_xmits", num_xmits);
   m.put("num_msgs_in_recv_windows", getNumberOfMessagesInReceiveWindows());
   return m;
 }
Exemplo n.º 4
0
    /**
     * Invokes an operation and puts the return value into map
     *
     * @param map
     * @param operation Protocol.OperationName[args], e.g. STABLE.foo[arg1 arg2 arg3]
     */
    protected void handleOperation(Map<String, String> map, String operation) throws Exception {
      int index = operation.indexOf(".");
      if (index == -1)
        throw new IllegalArgumentException(
            "operation " + operation + " is missing the protocol name");
      String prot_name = operation.substring(0, index);
      Protocol prot = prot_stack.findProtocol(prot_name);
      if (prot == null) return; // less drastic than throwing an exception...

      int args_index = operation.indexOf("[");
      String method_name;
      if (args_index != -1) method_name = operation.substring(index + 1, args_index).trim();
      else method_name = operation.substring(index + 1).trim();

      String[] args = null;
      if (args_index != -1) {
        int end_index = operation.indexOf("]");
        if (end_index == -1) throw new IllegalArgumentException("] not found");
        List<String> str_args =
            Util.parseCommaDelimitedStrings(operation.substring(args_index + 1, end_index));
        Object[] strings = str_args.toArray();
        args = new String[strings.length];
        for (int i = 0; i < strings.length; i++) args[i] = (String) strings[i];
      }

      Method method = MethodCall.findMethod(prot.getClass(), method_name, args);
      if (method == null) {
        log.warn(
            Util.getMessage("MethodNotFound"),
            local_addr,
            prot.getClass().getSimpleName(),
            method_name);
        return;
      }
      MethodCall call = new MethodCall(method);
      Object[] converted_args = null;
      if (args != null) {
        converted_args = new Object[args.length];
        Class<?>[] types = method.getParameterTypes();
        for (int i = 0; i < args.length; i++)
          converted_args[i] = MethodCall.convert(args[i], types[i]);
      }
      Object retval = call.invoke(prot, converted_args);
      if (retval != null) map.put(prot_name + "." + method_name, retval.toString());
    }
Exemplo n.º 5
0
  /**
   * Callback method <br>
   * Called by the ProtocolStack when a message is received.
   *
   * @param evt the event carrying the message from the protocol stack
   */
  public Object up(Event evt) {
    switch (evt.getType()) {
      case Event.MSG:
        Message msg = (Message) evt.getArg();
        if (stats) {
          received_msgs++;
          received_bytes += msg.getLength();
        }

        // discard local messages (sent by myself to me)
        if (discard_own_messages
            && local_addr != null
            && msg.getSrc() != null
            && local_addr.equals(msg.getSrc())) return null;
        break;

      case Event.VIEW_CHANGE:
        View tmp = (View) evt.getArg();
        if (tmp instanceof MergeView) my_view = new View(tmp.getViewId(), tmp.getMembers());
        else my_view = tmp;

        // Bela&Vladimir Oct 27th,2006 (JGroups 2.4): we need to set connected=true because a client
        // can
        // call channel.getView() in viewAccepted() callback invoked on this thread (see
        // Event.VIEW_CHANGE handling below)

        // not good: we are only connected when we returned from connect() - bela June 22 2007
        // Changed: when a channel gets a view of which it is a member then it should be
        // connected even if connect() hasn't returned yet ! (bela Noc 2010)
        if (state != State.CONNECTED) state = State.CONNECTED;
        break;

      case Event.CONFIG:
        Map<String, Object> cfg = (Map<String, Object>) evt.getArg();
        if (cfg != null) {
          if (cfg.containsKey("state_transfer")) {
            state_transfer_supported = (Boolean) cfg.get("state_transfer");
          }
          if (cfg.containsKey("flush_supported")) {
            flush_supported = (Boolean) cfg.get("flush_supported");
          }
        }
        break;

      case Event.GET_STATE_OK:
        StateTransferResult result = (StateTransferResult) evt.getArg();
        if (up_handler != null) {
          try {
            Object retval = up_handler.up(evt);
            state_promise.setResult(new StateTransferResult());
            return retval;
          } catch (Throwable t) {
            state_promise.setResult(new StateTransferResult(t));
          }
        }

        if (receiver != null) {
          try {
            if (result.hasBuffer()) {
              byte[] tmp_state = result.getBuffer();
              ByteArrayInputStream input = new ByteArrayInputStream(tmp_state);
              receiver.setState(input);
            }
            state_promise.setResult(result);
          } catch (Throwable t) {
            state_promise.setResult(new StateTransferResult(t));
          }
        }
        break;

      case Event.STATE_TRANSFER_INPUTSTREAM_CLOSED:
        state_promise.setResult((StateTransferResult) evt.getArg());
        break;

      case Event.STATE_TRANSFER_INPUTSTREAM:
        // Oct 13,2006 moved to down() when Event.STATE_TRANSFER_INPUTSTREAM_CLOSED is received
        // state_promise.setResult(is != null? Boolean.TRUE : Boolean.FALSE);

        if (up_handler != null) return up_handler.up(evt);

        InputStream is = (InputStream) evt.getArg();
        if (is != null && receiver != null) {
          try {
            receiver.setState(is);
          } catch (Throwable t) {
            throw new RuntimeException("failed calling setState() in state requester", t);
          }
        }
        break;

      case Event.STATE_TRANSFER_OUTPUTSTREAM:
        if (receiver != null && evt.getArg() != null) {
          try {
            receiver.getState((OutputStream) evt.getArg());
          } catch (Exception e) {
            throw new RuntimeException("failed calling getState() in state provider", e);
          }
        }
        break;

      case Event.GET_LOCAL_ADDRESS:
        return local_addr;

      default:
        break;
    }

    // If UpHandler is installed, pass all events to it and return (UpHandler is e.g. a building
    // block)
    if (up_handler != null) return up_handler.up(evt);

    if (receiver != null) return invokeCallback(evt.getType(), evt.getArg());
    return null;
  }
Exemplo n.º 6
0
    protected void handleJmx(Map<String, String> map, String input) {
      Map<String, Object> tmp_stats;
      int index = input.indexOf("=");
      if (index > -1) {
        List<String> list = null;
        String protocol_name = input.substring(index + 1);
        index = protocol_name.indexOf(".");
        if (index > -1) {
          String rest = protocol_name;
          protocol_name = protocol_name.substring(0, index);
          String attrs = rest.substring(index + 1); // e.g. "num_sent,msgs,num_received_msgs"
          list = Util.parseStringList(attrs, ",");

          // check if there are any attribute-sets in the list
          for (Iterator<String> it = list.iterator(); it.hasNext(); ) {
            String tmp = it.next();
            index = tmp.indexOf("=");
            if (index != -1) {
              String attrname = tmp.substring(0, index);
              String attrvalue = tmp.substring(index + 1);
              Protocol prot = prot_stack.findProtocol(protocol_name);
              Field field = prot != null ? Util.getField(prot.getClass(), attrname) : null;
              if (field != null) {
                Object value = MethodCall.convert(attrvalue, field.getType());
                if (value != null) prot.setValue(attrname, value);
              } else {
                // try to find a setter for X, e.g. x(type-of-x) or setX(type-of-x)
                ResourceDMBean.Accessor setter =
                    ResourceDMBean.findSetter(
                        prot, attrname); // Util.getSetter(prot.getClass(), attrname);
                if (setter != null) {
                  try {
                    Class<?> type =
                        setter instanceof ResourceDMBean.FieldAccessor
                            ? ((ResourceDMBean.FieldAccessor) setter).getField().getType()
                            : setter instanceof ResourceDMBean.MethodAccessor
                                ? ((ResourceDMBean.MethodAccessor) setter)
                                    .getMethod()
                                    .getParameterTypes()[0]
                                    .getClass()
                                : null;
                    Object converted_value = MethodCall.convert(attrvalue, type);
                    setter.invoke(converted_value);
                  } catch (Exception e) {
                    log.error("unable to invoke %s() on %s: %s", setter, protocol_name, e);
                  }
                } else log.warn(Util.getMessage("FieldNotFound"), attrname, protocol_name);
              }

              it.remove();
            }
          }
        }
        tmp_stats = dumpStats(protocol_name, list);
        if (tmp_stats != null) {
          for (Map.Entry<String, Object> entry : tmp_stats.entrySet()) {
            Map<String, Object> tmp_map = (Map<String, Object>) entry.getValue();
            String key = entry.getKey();
            map.put(key, tmp_map != null ? tmp_map.toString() : null);
          }
        }
      } else {
        tmp_stats = dumpStats();
        if (tmp_stats != null) {
          for (Map.Entry<String, Object> entry : tmp_stats.entrySet()) {
            Map<String, Object> tmp_map = (Map<String, Object>) entry.getValue();
            String key = entry.getKey();
            map.put(key, tmp_map != null ? tmp_map.toString() : null);
          }
        }
      }
    }