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org.zeromq.ZMsg.recvMsg()方法的使用及代码示例

转载 作者:知者 更新时间:2024-03-14 21:18:49 29 4
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本文整理了Java中org.zeromq.ZMsg.recvMsg()方法的一些代码示例,展示了ZMsg.recvMsg()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。ZMsg.recvMsg()方法的具体详情如下:
包路径:org.zeromq.ZMsg
类名称:ZMsg
方法名:recvMsg

ZMsg.recvMsg介绍

[英]Receives message from socket, returns ZMsg object or null if the recv was interrupted. Does a blocking recv, if you want not to block then use the ZLoop class or ZMQ.Poller to check for socket input before receiving or recvMsg with flag ZMQ.DONTWAIT.
[中]从套接字接收消息,如果recv被中断,则返回ZMsg对象或null。执行阻塞recv,如果不想阻塞,则使用ZLoop类或ZMQ。轮询器在接收或接收带有标志ZMQ的VMSG之前检查套接字输入。别这样。

代码示例

代码示例来源:origin: twosigma/beakerx

private Message readMessage(ZMQ.Socket socket) {
 ZMsg zmsg = null;
 Message message = null;
 try {
  zmsg = ZMsg.recvMsg(socket);
  ZFrame[] parts = new ZFrame[zmsg.size()];
  zmsg.toArray(parts);
  byte[] uuid = parts[MessageParts.UUID].getData();
  byte[] header = parts[MessageParts.HEADER].getData();
  byte[] parent = parts[MessageParts.PARENT].getData();
  byte[] metadata = parts[MessageParts.METADATA].getData();
  byte[] content = parts[MessageParts.CONTENT].getData();
  byte[] expectedSig = parts[MessageParts.HMAC].getData();
  verifyDelim(parts[MessageParts.DELIM]);
  verifySignatures(expectedSig, header, parent, metadata, content);
  message = new Message(parse(header, Header.class));
  if (uuid != null) {
   message.getIdentities().add(uuid);
  }
  message.setParentHeader(parse(parent, Header.class));
  message.setMetadata(parse(metadata, LinkedHashMap.class));
  message.setContent(parse(content, LinkedHashMap.class));
 } finally {
  if (zmsg != null) {
   zmsg.destroy();
  }
 }
 return message;
}

代码示例来源:origin: org.zeromq/jeromq

/**
 * Receives message from socket, returns ZMsg object or null if the
 * recv was interrupted.
 * @param   socket
 * @param   wait true to wait for next message, false to do a non-blocking recv.
 * @return
 *          ZMsg object, null if interrupted
 */
public static ZMsg recvMsg(Socket socket, boolean wait)
{
  return recvMsg(socket, wait ? 0 : ZMQ.DONTWAIT);
}

代码示例来源:origin: org.zeromq/jeromq

/**
 * Receives message from socket, returns ZMsg object or null if the
 * recv was interrupted. Does a blocking recv, if you want not to block then use
 * the ZLoop class or ZMQ.Poller to check for socket input before receiving or recvMsg with flag ZMQ.DONTWAIT.
 * @param   socket
 * @return
 *          ZMsg object, null if interrupted
 */
public static ZMsg recvMsg(Socket socket)
{
  return recvMsg(socket, 0);
}

代码示例来源:origin: org.zeromq/jeromq

private boolean restart(Socket pipe, boolean hot)
{
  state.restart = true;
  if (hot) {
    assert (provider != null);
    state.hot = ZMsg.recvMsg(pipe);
    // continue with the same agent
    return true;
  }
  else {
    // stop the loop and restart a new agent
    // with the same started state
    // the next loop will refill the updated status
    return false;
  }
}

代码示例来源:origin: org.zeromq/jeromq

private static ZapRequest recvRequest(Socket handler, boolean wait)
{
  ZMsg request = ZMsg.recvMsg(handler, wait);
  if (request == null) {
    return null;
  }
  ZapRequest self = new ZapRequest(handler, request);
  //  If the version is wrong, we're linked with a bogus libzmq, so die
  assert (ZAP_VERSION.equals(self.version));
  request.destroy();
  return self;
}

代码示例来源:origin: kawasima/enkan

@Override
public String recv(long timeout) {
  ZMsg msg = ZMsg.recvMsg(socket);
  clientAddress = msg.pop();
  return msg.popString();
}

代码示例来源:origin: io.projectreactor/reactor-net

@Override
  public int handle(ZLoop loop, ZMQ.PollItem item, Object arg) {
    ZMsg msg = ZMsg.recvMsg(socket);
    if (null == msg || msg.size() == 0) {
      return 0;
    }
    if (closed) {
      return -1;
    }
    b.onNext(msg);
    return 0;
  }
};

代码示例来源:origin: org.zeromq/jeromq

private boolean removeEvents(Socket pipe)
{
  final ZMsg msg = ZMsg.recvMsg(pipe);
  if (msg == null) {
    return false; // interrupted
  }
  for (ZFrame frame : msg) {
    final String evt = frame.getString(ZMQ.CHARSET);
    final Event event = Event.valueOf(evt);
    if (verbose) {
      System.out.printf("ZMonitor: Removing" + " event %s%n", event);
    }
    events &= ~event.events;
  }
  return pipe.send(OK);
}

代码示例来源:origin: org.zeromq/jeromq

private boolean addEvents(Socket pipe)
{
  final ZMsg msg = ZMsg.recvMsg(pipe);
  if (msg == null) {
    return false; // interrupted
  }
  for (ZFrame frame : msg) {
    final String evt = frame.getString(ZMQ.CHARSET);
    final Event event = Event.valueOf(evt);
    if (verbose) {
      System.out.printf("ZMonitor: Adding" + " event %s%n", event);
    }
    events |= event.events;
  }
  return pipe.send(OK);
}

代码示例来源:origin: kawasima/enkan

@Override
  public int complete(String buffer, int cursor, List<CharSequence> candidates) {
    @SuppressWarnings("MismatchedQueryAndUpdateOfCollection")
    ZMsg msg = new ZMsg();
    msg.add(buffer);
    msg.add(Integer.toString(cursor));
    msg.send(socket);

    ZMsg response = ZMsg.recvMsg(socket);
    while (response != null && !response.isEmpty()) {
      candidates.add(response.popString());
    }
    if (candidates.isEmpty()) return cursor;

    int delimiterPos = Math.max(buffer.lastIndexOf(' '), buffer.lastIndexOf('.'));
    if (delimiterPos > 0) {
      return delimiterPos + 1;
    } else {
      return 0;
    }
  }
}

代码示例来源:origin: net.unit8.enkan/enkan-repl-pseudo

@Override
public void run() {
  while(!Thread.currentThread().isInterrupted()) {
    ZMsg msg = ZMsg.recvMsg(socket);
    ZFrame clientAddress = msg.pop();
    String input = msg.popString();
    int cursor = Integer.parseInt(msg.popString());
    int[] anchor = {-1};
    ZMsg reply = new ZMsg();
    reply.add(clientAddress.duplicate());
    String trimmedCommand = input.trim();
    if (trimmedCommand.startsWith("/")) {
      if (!trimmedCommand.contains(" ")) {
        Predicate<String> filter = trimmedCommand.equals("/") ?
            n -> true : n -> n.startsWith(trimmedCommand.substring(1));
        commandNames.stream()
            .filter(filter)
            .forEach(s -> reply.add("/" + s));
        anchor[0] = 0;
      }
    }
    reply.send(socket, true);
  }
}

代码示例来源:origin: kawasima/enkan

@Override
public void run() {
  while(!Thread.currentThread().isInterrupted()) {
    ZMsg msg = ZMsg.recvMsg(socket);
    ZFrame clientAddress = msg.pop();
    String input = msg.popString();
    int cursor = Integer.parseInt(msg.popString());
    int[] anchor = {-1};
    ZMsg reply = new ZMsg();
    reply.add(clientAddress.duplicate());
    String trimmedCommand = input.trim();
    if (trimmedCommand.startsWith("/")) {
      if (!trimmedCommand.contains(" ")) {
        Predicate<String> filter = trimmedCommand.equals("/") ?
            n -> true : n -> n.startsWith(trimmedCommand.substring(1));
        commandNames.stream()
            .filter(filter)
            .forEach(s -> reply.add("/" + s));
        anchor[0] = 0;
      }
    }
    reply.send(socket, true);
  }
}

代码示例来源:origin: net.unit8.enkan/enkan-repl-jshell

@Override
public void run() {
  while(!Thread.currentThread().isInterrupted()) {
    ZMsg msg = ZMsg.recvMsg(socket);
    ZFrame clientAddress = msg.pop();
    String input = msg.popString();

代码示例来源:origin: org.zeromq/jeromq

@Override
public ZMsg recv(boolean wait)
{
  if (locked) {
    return null;
  }
  try {
    ZMsg msg = ZMsg.recvMsg(pipe, wait);
    if (msg == null) {
      return null;
    }
    if (msg.size() == 1) {
      final ZFrame frame = msg.peek();
      byte[] key = frame.getData();
      if (lock != null && Arrays.equals(lock, key)) {
        locked = true;
        // this is the last message anyway, and not a one for a public display
        msg = null;
        pipe.close();
      }
    }
    return msg;
  }
  catch (ZMQException e) {
    locked = true;
    return null;
  }
}

代码示例来源:origin: org.zeromq/jeromq

ZMsg cfg = ZMsg.recvMsg(pipe);
boolean rc = provider.configure(pipe, cfg, frontend, backend, capture, args);
cfg.destroy();

代码示例来源:origin: org.zeromq/jeromq

@Override
  public boolean flow(Plug splug, Socket source, Socket capture, Plug dplug, Socket destination)
  {
    boolean success;
    // we read the whole message
    ZMsg msg = ZMsg.recvMsg(source);
    if (msg == null) {
      return false;
    }
    if (capture != null) {
      //  Copy transformed message to capture socket if any message
      // TODO what if the transformer modifies or destroys the original message ?
      ZMsg cpt = transformer.transform(msg, splug, Plug.CAPTURE);
      //                boolean destroy = !msg.equals(cpt); // TODO ?? which one
      boolean destroy = msg != cpt;
      success = cpt.send(capture, destroy);
      if (!success) {
        // not successful, but we can still try to send it to the destination
      }
    }
    ZMsg dst = transformer.transform(msg, splug, dplug);
    // we send the whole transformed message
    success = dst.send(destination);
    // finished
    msg.destroy();
    return success;
  }
}

代码示例来源:origin: org.projectreactor/reactor-net

@Override
  public int handle(ZLoop loop, ZMQ.PollItem item, Object arg) {
    ZMsg msg = ZMsg.recvMsg(socket);
    if (null == msg || msg.size() == 0) {
      return 0;
    }
    if (closed) {
      return -1;
    }
    String connId;
    switch (ZeroMQWorker.this.socketType) {
      case ZMQ.ROUTER:
        connId = msg.popString();
        break;
      default:
        connId = ZeroMQWorker.this.id.toString();
    }
    ZeroMQNetChannel<IN, OUT> netChannel = select(connId)
        .setConnectionId(connId)
        .setSocket(socket);
    ZFrame content;
    while (null != (content = msg.pop())) {
      netChannel.read(Buffer.wrap(content.getData()));
    }
    msg.destroy();
    return 0;
  }
};

代码示例来源:origin: fiber-space/jupyter-kernel-jsr223

sockets.poll();
if (sockets.pollin(0)) {
  msg = new MessageObject(ZMsg.recvMsg(Control), Control, key);
  kernel.dispatch(msg);
  msg = new MessageObject(ZMsg.recvMsg(Shell), Shell, key);
  kernel.dispatch(msg);
  msg = new MessageObject(ZMsg.recvMsg(Stdin), Stdin, key);
  kernel.dispatch(msg);

代码示例来源:origin: org.opendaylight.netide/shim

poller.poll(10);
if (poller.pollin(0)) {
  ZMsg message = ZMsg.recvMsg(socket);
  byte[] data = message.getLast().getData();
  if (coreListener != null) {
  ZMsg message = ZMsg.recvMsg(controlSocket);
  if (message.getFirst().toString().equals(STOP_COMMAND)) {
    break;

代码示例来源:origin: kawasima/enkan

socket.monitor("inproc://socket.monitor", ZMQ.EVENT_DISCONNECTED);
ZMsg completerMsg = ZMsg.recvMsg(socket);
ReplResponse completerRes = fressian.read(completerMsg.pop().getData(), ReplResponse.class);
String completerPort = completerRes.getOut();
  while (true) {
    try {
      ZMsg msg = ZMsg.recvMsg(this.socket);
      ReplResponse res = fressian.read(msg.pop().getData(), ReplResponse.class);
      if (res.getOut() != null) {

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