示例#1
1
  public Message send(Message query) {
    int q, r;
    Message best = null;
    byte rcode;

    for (q = 0; q < 20; q++) {
      boolean ok = false;
      for (r = 0; r < resolvers.length; r++) ok |= sendTo(query, r, q);
      if (!ok) break;
      Message m = null;
      synchronized (queue) {
        try {
          queue.wait((quantum + 1) * 1000);
        } catch (InterruptedException e) {
          System.out.println("interrupted");
        }
        if (queue.size() == 0) continue;
        m = (Message) queue.firstElement();
        queue.removeElementAt(0);
        Integer I = (Integer) queue.firstElement();
        queue.removeElementAt(0);
        r = I.intValue();
      }
      if (m == null) invalid[r] = true;
      else {
        rcode = m.getHeader().getRcode();
        if (rcode == Rcode.NOERROR) return m;
        else {
          if (best == null) best = m;
          invalid[r] = true;
        }
      }
    }
    return best;
  }
 private void sendExceptionMsg(int what, Exception e) {
   e.printStackTrace();
   Message msg = Message.obtain();
   msg.obj = e;
   msg.what = what;
   queryHandler.sendMessage(msg);
 }
    @Override
    public void setFlags(List<? extends Message> messages, final Set<Flag> flags, boolean value)
        throws MessagingException {
      if (!value || !flags.contains(Flag.DELETED)) {
        /*
         * The only flagging we support is setting the Deleted flag.
         */
        return;
      }
      List<String> uids = new ArrayList<String>();
      try {
        for (Message message : messages) {
          uids.add(message.getUid());
        }

        indexUids(uids);
      } catch (IOException ioe) {
        throw new MessagingException("Could not get message number for uid " + uids, ioe);
      }
      for (Message message : messages) {

        Integer msgNum = mUidToMsgNumMap.get(message.getUid());
        if (msgNum == null) {
          MessagingException me =
              new MessagingException(
                  "Could not delete message "
                      + message.getUid()
                      + " because no msgNum found; permanent error");
          me.setPermanentFailure(true);
          throw me;
        }
        executeSimpleCommand(String.format(DELE_COMMAND + " %s", msgNum));
      }
    }
示例#4
0
文件: UDP.java 项目: NZDIS/jgroups
  /**
   * Processes a packet read from either the multicast or unicast socket. Needs to be synchronized
   * because mcast or unicast socket reads can be concurrent
   */
  void handleIncomingUdpPacket(byte[] data) {
    ByteArrayInputStream inp_stream;
    ObjectInputStream inp;
    Message msg = null;
    List l; // used if bundling is enabled

    try {
      // skip the first n bytes (default: 4), this is the version info
      inp_stream = new ByteArrayInputStream(data, VERSION_LENGTH, data.length - VERSION_LENGTH);
      inp = new ObjectInputStream(inp_stream);
      if (enable_bundling) {
        l = new List();
        l.readExternal(inp);
        for (Enumeration en = l.elements(); en.hasMoreElements(); ) {
          msg = (Message) en.nextElement();
          try {
            handleMessage(msg);
          } catch (Throwable t) {
            Trace.error("UDP.handleIncomingUdpPacket()", "failure: " + t.toString());
          }
        }
      } else {
        msg = new Message();
        msg.readExternal(inp);
        handleMessage(msg);
      }
    } catch (Throwable e) {
      Trace.error("UDP.handleIncomingUdpPacket()", "exception=" + Trace.getStackTrace(e));
    }
  }
示例#5
0
  @Override
  public void sendMessage(Message message) throws MessagingException {
    ArrayList<Address> addresses = new ArrayList<Address>();
    {
      addresses.addAll(Arrays.asList(message.getRecipients(RecipientType.TO)));
      addresses.addAll(Arrays.asList(message.getRecipients(RecipientType.CC)));
      addresses.addAll(Arrays.asList(message.getRecipients(RecipientType.BCC)));
    }
    message.setRecipients(RecipientType.BCC, null);

    HashMap<String, ArrayList<String>> charsetAddressesMap =
        new HashMap<String, ArrayList<String>>();
    for (Address address : addresses) {
      String addressString = address.getAddress();
      String charset = MimeUtility.getCharsetFromAddress(addressString);
      ArrayList<String> addressesOfCharset = charsetAddressesMap.get(charset);
      if (addressesOfCharset == null) {
        addressesOfCharset = new ArrayList<String>();
        charsetAddressesMap.put(charset, addressesOfCharset);
      }
      addressesOfCharset.add(addressString);
    }

    for (Map.Entry<String, ArrayList<String>> charsetAddressesMapEntry :
        charsetAddressesMap.entrySet()) {
      String charset = charsetAddressesMapEntry.getKey();
      ArrayList<String> addressesOfCharset = charsetAddressesMapEntry.getValue();
      message.setCharset(charset);
      sendMessageTo(addressesOfCharset, message);
    }
  }
  public void testWritePartialMsg() throws Exception {
    assertEquals(0, SENT.size());
    assertEquals(0, STATS.getSent());

    Message m = q("reaalllllllllly long query");
    SINK.resize(m.getTotalLength() - 20);

    WRITER.send(m);
    assertEquals(1, STATS.getSent());
    assertTrue(WRITER.handleWrite()); // still stuff left to write.
    assertTrue(SINK.interested());
    assertEquals(
        1, SENT.size()); // it's sent, even though the other side didn't receive it fully yet.
    assertEquals(buffer(m), buffer(SENT.next()));

    ByteBuffer buffer = ByteBuffer.allocate(m.getTotalLength());
    buffer.put(SINK.getBuffer());
    SINK.resize(100000);

    assertFalse(WRITER.handleWrite());
    assertFalse(SINK.interested());
    buffer.put(SINK.getBuffer());
    Message in = read((ByteBuffer) buffer.flip());
    assertEquals(buffer(m), buffer(in));
  }
 private Message read(ByteBuffer buffer) throws Exception {
   ByteArrayInputStream in =
       new ByteArrayInputStream(buffer.array(), buffer.position(), buffer.limit());
   Message m = read(in);
   buffer.position(buffer.position() + m.getTotalLength());
   return m;
 }
 public void broadcast(String type, String payload) {
   Message m = new Message();
   m.setSource(pid);
   m.setDestination(-1); /* See Worker.deliver() */
   m.setType(type);
   m.setPayload(payload);
   unicast(m);
 }
示例#9
0
文件: UDP.java 项目: NZDIS/jgroups
  void handleMessage(Message msg) {
    Event evt;
    UdpHeader hdr;

    // discard my own multicast loopback copy
    if (loopback) {
      Address dst = msg.getDest();
      Address src = msg.getSrc();

      if (dst != null && dst.isMulticastAddress() && src != null && local_addr.equals(src)) {
        if (Trace.debug) {
          Trace.info("UDP.handleMessage()", "discarded own loopback multicast packet");
        }
        return;
      }
    }

    evt = new Event(Event.MSG, msg);
    if (Trace.debug) {
      Trace.info("UDP.handleMessage()", "message is " + msg + ", headers are " + msg.getHeaders());

      /* Because Protocol.up() is never called by this bottommost layer, we call up() directly in the observer.
       * This allows e.g. PerfObserver to get the time of reception of a message */
    }
    if (observer != null) {
      observer.up(evt, up_queue.size());
    }
    hdr = (UdpHeader) msg.removeHeader(name);
    if (hdr != null) {

      /* Discard all messages destined for a channel with a different name */
      String ch_name = null;

      if (hdr.group_addr != null) {
        ch_name = hdr.group_addr;

        // Discard if message's group name is not the same as our group name unless the
        // message is a diagnosis message (special group name DIAG_GROUP)
      }
      if (ch_name != null
          && group_addr != null
          && !group_addr.equals(ch_name)
          && !ch_name.equals(Util.DIAG_GROUP)) {
        if (Trace.trace) {
          Trace.warn(
              "UDP.handleMessage()",
              "discarded message from different group ("
                  + ch_name
                  + "). Sender was "
                  + msg.getSrc());
        }
        return;
      }
    } else {
      Trace.error("UDP.handleMessage()", "message does not have a UDP header");
    }
    passUp(evt);
  }
 public boolean registeR() {
   String payload;
   Message m;
   boolean result;
   payload = String.format("%s:%s:%d", name, host, port);
   m = new Message(pid, 0, "NULL", payload);
   result = await(m.pack());
   if (result) Utils.out(pid, "Registered.");
   return result;
 }
示例#11
0
  private void sendMessageTo(ArrayList<String> addresses, Message message)
      throws MessagingException {
    boolean possibleSend = false;

    close();
    open();

    message.setEncoding(m8bitEncodingAllowed ? "8bit" : null);
    // If the message has attachments and our server has told us about a limit on
    // the size of messages, count the message's size before sending it
    if (mLargestAcceptableMessage > 0 && ((LocalMessage) message).hasAttachments()) {
      if (message.calculateSize() > mLargestAcceptableMessage) {
        MessagingException me = new MessagingException("Message too large for server");
        me.setPermanentFailure(possibleSend);
        throw me;
      }
    }

    Address[] from = message.getFrom();
    try {
      // TODO: Add BODY=8BITMIME parameter if appropriate?
      executeSimpleCommand("MAIL FROM:" + "<" + from[0].getAddress() + ">");
      for (String address : addresses) {
        executeSimpleCommand("RCPT TO:" + "<" + address + ">");
      }
      executeSimpleCommand("DATA");

      EOLConvertingOutputStream msgOut =
          new EOLConvertingOutputStream(
              new SmtpDataStuffing(
                  new LineWrapOutputStream(new BufferedOutputStream(mOut, 1024), 1000)));

      message.writeTo(msgOut);

      // We use BufferedOutputStream. So make sure to call flush() !
      msgOut.flush();

      possibleSend = true; // After the "\r\n." is attempted, we may have sent the message
      executeSimpleCommand("\r\n.");
    } catch (Exception e) {
      MessagingException me = new MessagingException("Unable to send message", e);

      // "5xx text" -responses are permanent failures
      String msg = e.getMessage();
      if (msg != null && msg.startsWith("5")) {
        Log.w(K9.LOG_TAG, "handling 5xx SMTP error code as a permanent failure");
        possibleSend = false;
      }

      me.setPermanentFailure(possibleSend);
      throw me;
    } finally {
      close();
    }
  }
示例#12
0
 public void run() {
   try {
     InputStream in;
     OutputStream out;
     try {
       in = sk.getInputStream();
       out = sk.getOutputStream();
     } catch (IOException e) {
       throw (new RuntimeException(e));
     }
     while (true) {
       try {
         int len = Utils.int32d(read(in, 4), 0);
         if (!auth && (len > 256)) return;
         Message msg = new MessageBuf(read(in, len));
         String cmd = msg.string();
         Object[] args = msg.list();
         Object[] reply;
         if (auth) {
           Command cc = commands.get(cmd);
           if (cc != null) reply = cc.run(this, args);
           else reply = new Object[] {"nocmd"};
         } else {
           if (cmd.equals("nonce")) {
             reply = new Object[] {nonce};
           } else if (cmd.equals("auth")) {
             if (Arrays.equals((byte[]) args[0], ckey)) {
               reply = new Object[] {"ok"};
               auth = true;
             } else {
               reply = new Object[] {"no"};
             }
           } else {
             return;
           }
         }
         MessageBuf rb = new MessageBuf();
         rb.addlist(reply);
         byte[] rbuf = new byte[4 + rb.size()];
         Utils.uint32e(rb.size(), rbuf, 0);
         rb.fin(rbuf, 4);
         out.write(rbuf);
       } catch (IOException e) {
         return;
       }
     }
   } catch (InterruptedException e) {
   } finally {
     try {
       sk.close();
     } catch (IOException e) {
       throw (new RuntimeException(e));
     }
   }
 }
示例#13
0
    public void actionPerformed(ActionEvent event) {
      System.out.println("Sending mail");

      /* Check that we have the local mailserver */
      if ((serverField.getText()).equals("")) {
        System.out.println("Need name of local mailserver!");
        return;
      }

      /* Check that we have the sender and recipient. */
      if ((fromField.getText()).equals("")) {
        System.out.println("Need sender!");
        return;
      }
      if ((toField.getText()).equals("")) {
        System.out.println("Need recipient!");
        return;
      }

      /* Create the message */
      Message mailMessage =
          new Message(
              fromField.getText(),
              toField.getText(),
              subjectField.getText(),
              messageText.getText());

      /* Check that the message is valid, i.e., sender and
      recipient addresses look ok. */
      if (!mailMessage.isValid()) {
        return;
      }

      /* Create the envelope, open the connection and try to send
      the message. */
      Envelope envelope;
      try {
        envelope = new Envelope(mailMessage, serverField.getText());
      } catch (UnknownHostException e) {
        /* If there is an error, do not go further */
        return;
      }
      try {
        SMTPConnection connection = new SMTPConnection(envelope);
        connection.send(envelope);
        connection.close();
      } catch (IOException error) {
        System.out.println("Sending failed: " + error);
        return;
      }
      System.out.println("Mail sent succesfully!");
    }
示例#14
0
  private void processMessage(Message message) throws IOException {
    if (message.getType().equals("SimpleMessage")) {
      MessageType messageType = (MessageType) message.getValue();
      String receiver = messageType.getToUser();
      history.get(receiver).add(messageType);
    }

    if (message.getType().equals("ConnectUserMessage")) {
      String user = (String) message.getValue();
      Messages messages = history.get(user);
      Operations.sendHistory(messages.getLastFiveWith(user), out);
    }
  }
示例#15
0
 public void run() {
   while (keeprunning) {
     try {
       Message m = outqueue.take();
       if (!keeprunning) break;
       // synchronized (out) { // shouldn't need to synchronize here, there's only one thread
       // running this
       out.println(m.toString());
       // }
     } catch (InterruptedException e) {
     } catch (Exception e) {
       System.err.println("unexpected exception in OuputHandler");
       e.printStackTrace();
     }
   }
 }
示例#16
0
文件: UDP.java 项目: NZDIS/jgroups
  /** Send a message to the address specified in dest */
  void sendUdpMessage(Message msg) throws Exception {
    IpAddress dest;
    Message copy;
    Event evt;

    dest = (IpAddress) msg.getDest(); // guaranteed not to be null
    setSourceAddress(msg);

    if (Trace.debug) {
      Trace.debug(
          "UDP.sendUdpMessage()",
          "sending message to "
              + msg.getDest()
              + " (src="
              + msg.getSrc()
              + "), headers are "
              + msg.getHeaders());

      // Don't send if destination is local address. Instead, switch dst and src and put in
      // up_queue.
      // If multicast message, loopback a copy directly to us (but still multicast). Once we receive
      // this,
      // we will discard our own multicast message
    }
    if (loopback && (dest.equals(local_addr) || dest.isMulticastAddress())) {
      copy = msg.copy();
      copy.removeHeader(name);
      copy.setSrc(local_addr);
      copy.setDest(dest);
      evt = new Event(Event.MSG, copy);

      /* Because Protocol.up() is never called by this bottommost layer, we call up() directly in the observer.
      This allows e.g. PerfObserver to get the time of reception of a message */
      if (observer != null) {
        observer.up(evt, up_queue.size());
      }
      if (Trace.debug) {
        Trace.info("UDP.sendUdpMessage()", "looped back local message " + copy);
      }
      passUp(evt);
      if (!dest.isMulticastAddress()) {
        return;
      }
    }

    if (use_outgoing_packet_handler) {
      outgoing_queue.add(msg);
      return;
    }

    send(msg);
  }
 public String sendRR(Message message, EndPoint[] to, IAsyncCallback cb) {
   String messageId = message.getMessageId();
   callbackMap_.put(messageId, cb);
   for (int i = 0; i < to.length; ++i) {
     sendOneWay(message, to[i]);
   }
   return messageId;
 }
 public String tryauth(AuthClient cl) throws IOException {
   if (WebBrowser.self == null) {
     throw (new AuthException("Could not find any web browser to launch"));
   }
   Message rpl = cl.cmd("web", method());
   String stat = rpl.string();
   URL url;
   if (stat.equals("ok")) {
     url = new URL(rpl.string());
   } else if (stat.equals("no")) {
     throw (new AuthException(rpl.string()));
   } else {
     throw (new RuntimeException("Unexpected reply `" + stat + "' from auth server"));
   }
   try {
     WebBrowser.self.show(url);
   } catch (WebBrowser.BrowserException e) {
     throw (new AuthException("Could not launch web browser"));
   }
   rpl = cl.cmd("wait");
   stat = rpl.string();
   if (stat.equals("ok")) {
     return (rpl.string());
   } else if (stat.equals("no")) {
     throw (new AuthException(rpl.string()));
   } else {
     throw (new RuntimeException("Unexpected reply `" + stat + "' from auth server"));
   }
 }
  public void sendUdpOneWay(Message message, EndPoint to) {
    EndPoint from = message.getFrom();
    if (message.getFrom().equals(to)) {
      MessagingService.receive(message);
      return;
    }

    UdpConnection connection = null;
    try {
      connection = new UdpConnection();
      connection.init();
      connection.write(message, to);
    } catch (IOException e) {
      logger_.warn(LogUtil.throwableToString(e));
    } finally {
      if (connection != null) connection.close();
    }
  }
示例#20
0
 /** Handle internal commands */
 private void internalCommand(ObjectConnection oc, Message message, String command, String data) {
   if (command.equals("CONNECT_DEL")) {
     try {
       oc.write("OK");
     } catch (Exception e) {
     }
     this.removeConnectInfo(message.getSender());
   } else if (command.equals("CONNECT_GET")) {
     try {
       oc.write("OK");
     } catch (Exception e) {
     }
     this.getConnectInfo(data, oc);
   } else if (command.equals("CONNECT_LIST")) {
     try {
       oc.write("OK");
     } catch (Exception e) {
     }
     this.getUserList(oc);
   } else if (command.equals("PLUGIN_LIST")) {
     try {
       oc.write("OK");
     } catch (Exception e) {
     }
     this.sendPluginList(oc, message.getSender().getName());
   } else if (command.equals("PLUGIN_GET")) {
     try {
       oc.write("OK");
     } catch (Exception e) {
     }
     this.sendPlugin(oc, data);
   } else if (command.equals("STARTUP_PLUGINS")) {
     try {
       oc.write("OK");
     } catch (Exception e) {
     }
     this.getStartupPlugin(oc, message.getSender().getName());
   } else {
     try {
       oc.write("FAILED Unknown command");
     } catch (Exception e) {
     }
   }
 }
  /*
      Use this version for fire and forget style messaging.
  */
  public void sendOneWay(Message message, EndPoint to) {
    // do local deliveries
    if (message.getFrom().equals(to)) {
      MessagingService.receive(message);
      return;
    }

    Runnable tcpWriteEvent = new MessageSerializationTask(message, to);
    messageSerializerExecutor_.execute(tcpWriteEvent);
  }
  public void testWritePartialAndMore() throws Exception {
    Message out1 = q("first long query");
    Message out2 = q("second long query");
    Message out3 = q("third long query");
    assertEquals(0, STATS.getSent());

    SINK.resize(out1.getTotalLength() + 20);
    WRITER.send(out1);
    WRITER.send(out2);
    assertEquals(2, STATS.getSent());

    assertEquals(0, SENT.size());
    assertTrue(WRITER.handleWrite());
    assertTrue(SINK.interested());
    assertEquals(2, SENT.size()); // two were sent, one was received.
    assertEquals(buffer(out1), buffer(SENT.next()));
    assertEquals(buffer(out2), buffer(SENT.next()));

    ByteBuffer buffer = ByteBuffer.allocate(1000);
    buffer.put(SINK.getBuffer()).flip();
    SINK.resize(10000);

    Message in1 = read(buffer);
    assertTrue(buffer.hasRemaining());
    assertEquals(20, buffer.remaining());
    buffer.compact();

    WRITER.send(out3);
    assertEquals(3, STATS.getSent());
    assertFalse(WRITER.handleWrite());
    assertEquals(1, SENT.size());
    assertEquals(buffer(out3), buffer(SENT.next()));
    assertFalse(SINK.interested());
    buffer.put(SINK.getBuffer()).flip();

    Message in2 = read(buffer);
    Message in3 = read(buffer);
    assertTrue(!buffer.hasRemaining());
    assertEquals(buffer(out2), buffer(in2));
    assertEquals(buffer(out3), buffer(in3));
  }
示例#23
0
  public void resendMessage(Message message, IP remoteAddress, int remotePort) throws IOException {
    if (remoteAddress == null) remoteAddress = IP.getLocalHost();

    message.setSentStamp(getConvertedTime(remoteAddress, remotePort));
    message.setMessageServer(this);
    try {
      sendBuffer.clear();
      sendBuffer.put(extractor.convertMessage(message));
      sendBuffer.flip();
      channel.send(sendBuffer, new InetSocketAddress(remoteAddress.toString(), remotePort));
      message.setRemoteAddress(remoteAddress);
      message.setRemotePort(remotePort);
      messageSent(message);
    } catch (IllegalAccessException exc) {
      throw new RuntimeException(exc);
    } catch (IllegalArgumentException exc) {
      throw new RuntimeException(exc);
    } catch (InvocationTargetException exc) {
      throw new RuntimeException(exc);
    }
  }
示例#24
0
文件: UDP.java 项目: NZDIS/jgroups
    protected void handleMessage(Message msg) throws Exception {
      Address dest = msg.getDest();
      long len;
      List tmp;

      len = msg.size(); // todo: use msg.getLength() instead of msg.getSize()
      if (len > max_bundle_size) {
        throw new Exception(
            "UDP.BundlingOutgoingPacketHandler.handleMessage(): "
                + "message size ("
                + len
                + ") is greater than UDP fragmentation size. "
                + "Set the fragmentation/bundle size in FRAG and UDP correctly");
      }

      if (total_bytes + len >= max_bundle_size) {
        if (Trace.trace) {
          Trace.info(
              "UDP.BundlingOutgoingPacketHandler.handleMessage()",
              "sending " + total_bytes + " bytes");
        }
        bundleAndSend(); // send all pending message and clear table
        total_bytes = 0;
      }

      synchronized (msgs) {
        tmp = (List) msgs.get(dest);
        if (tmp == null) {
          tmp = new List();
          msgs.put(dest, tmp);
        }
        tmp.add(msg);
        total_bytes += len;
      }

      if (!timer_running) { // first message to be bundled
        startTimer();
      }
    }
示例#25
0
文件: UDP.java 项目: NZDIS/jgroups
  byte[] messageToBuffer(Message msg) throws Exception {
    ObjectOutputStream out;
    // BufferedOutputStream bos;

    out_stream.reset();
    // bos=new BufferedOutputStream(out_stream);
    out_stream.write(Version.version_id, 0, Version.version_id.length); // write the version
    // bos.write(Version.version_id, 0, Version.version_id.length); // write the version
    out = new ObjectOutputStream(out_stream);
    // out=new ObjectOutputStream(bos);
    msg.writeExternal(out);
    out.flush(); // needed if out buffers its output to out_stream
    return out_stream.toByteArray();
  }
示例#26
0
文件: UDP.java 项目: NZDIS/jgroups
  void sendMultipleUdpMessages(Message msg, Vector dests) {
    Address dest;

    for (int i = 0; i < dests.size(); i++) {
      dest = (Address) dests.elementAt(i);
      msg.setDest(dest);

      try {
        sendUdpMessage(msg);
      } catch (Exception e) {
        Trace.debug("UDP.sendMultipleUdpMessages()", "exception=" + e);
      }
    }
  }
示例#27
0
  public void sendMessage(Message message, IP remoteAddress, int remotePort) throws IOException {
    message.setId(JGN.getUniqueLong());

    if (message instanceof CertifiedMessage) {
      getMessageCertifier().enqueue((CertifiedMessage) message, remoteAddress, remotePort);
    }
    if (message instanceof OrderedMessage) {
      if (((OrderedMessage) message).getOrderId() == -1) {
        ((OrderedMessage) message)
            .setOrderId(OrderedMessage.createUniqueId(((OrderedMessage) message).getOrderGroup()));
      }
    }
    resendMessage(message, remoteAddress, remotePort);
  }
示例#28
0
文件: D4.java 项目: sarekautowerke/D4
  public void getFilesFromFolder(List filesAndFolders, String savePath) {
    // create a File object for the parent directory
    File downloadsDirectory = new File(savePath);
    // create the folder if needed.
    downloadsDirectory.mkdir();

    for (int i = 0; i < filesAndFolders.size(); i++) {
      Object links = filesAndFolders.get(i);
      List linksArray = (ArrayList) links;
      if (i == 0) {
        for (int j = 0; j < linksArray.size(); j += 2) {
          // We've got an array of file urls so download each one to a directory with the folder
          // name
          String fileURL = linksArray.get(j).toString();
          String fileName = linksArray.get(j + 1).toString();
          downloadFile(fileURL, savePath, fileName);
          progress++;
          Message msg = mHandler.obtainMessage();
          msg.arg1 = progress;
          mHandler.sendMessage(msg);
        }
      } else if (i == 1) {
        // we've got an array of folders so recurse down the levels, extracting subfolders and files
        // until we've downloaded everything.
        for (int j = 0; j < linksArray.size(); j += 2) {
          String folderURL = linksArray.get(j).toString();
          String folderName = linksArray.get(j + 1).toString();

          String page = getData(folderURL);
          List newFilesAndFolders = parsePage(page);
          String dlDirPath = savePath + folderName + "/";

          getFilesFromFolder(newFilesAndFolders, dlDirPath);
        }
      }
    }
  }
示例#29
0
  private void prepareClient() throws IOException {
    logger.info("Waiting for client's name");
    Message mes = Operations.receive(in);
    setClientName((String) mes.getValue());
    logger.info("Username for " + s.getInetAddress() + " received: " + userName);

    users.add(this);
    logger.info("User " + getClientName() + " has been added to the userlist.");

    messages = new Messages();
    logger.info("Message list created");

    if (!history.containsKey(userName)) {
      history.put(userName, messages);
    } else {
      messages = history.get(userName);
    }
    messages.addObserver(this);
    logger.info("Message list assigned to history");

    logger.info("Sending the list of users.");
    Operations.sendUserNamesList(users.getUserNames(), out);
    logger.info("Userlist has been sent");
  }
示例#30
0
 /**
  * Asynchronously sends a message to a single server, registering a listener to receive a callback
  * on success or exception. Multiple asynchronous lookups can be performed in parallel. Since the
  * callback may be invoked before the function returns, external synchronization is necessary.
  *
  * @param query The query to send
  * @param listener The object containing the callbacks.
  * @return An identifier, which is also a parameter in the callback
  */
 public Object sendAsync(final Message query, final ResolverListener listener) {
   final Object id;
   synchronized (this) {
     id = new Integer(uniqueID++);
   }
   Record question = query.getQuestion();
   String qname;
   if (question != null) qname = question.getName().toString();
   else qname = "(none)";
   String name = this.getClass() + ": " + qname;
   Thread thread = new ResolveThread(this, query, id, listener);
   thread.setName(name);
   thread.setDaemon(true);
   thread.start();
   return id;
 }