Java Code Examples for org.zeromq.ZMQ.Socket#send()
The following examples show how to use
org.zeromq.ZMQ.Socket#send() .
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Example 1
| Source File: Proxy.java From aion with MIT License | 6 votes |
|
private static boolean msgProcessSend(Socket receiver, Socket sender) {
byte[] msg = receiver.recv(0);
if (msg == null) {
return true;
}
byte[] msgMore = null;
if (receiver.hasReceiveMore()) {
msgMore = receiver.recv(0);
if (msgMore == null) {
return true;
}
}
if (!sender.send(msg, msgMore == null ? ZMQ.DONTWAIT : ZMQ.SNDMORE)) {
return true;
}
if (msgMore != null) {
return !sender.send(msgMore, ZMQ.DONTWAIT);
}
return false;
}
Example 2
| Source File: MsgExecutor.java From aion_api with MIT License | 6 votes |
|
private boolean invalidMsgHandle(Socket receiver, Socket sender) {
byte[] msg = receiver.recv(ZMQ.PAIR);
if (msg == null) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("[invalidMsgHandle] {}", ErrId.getErrString(-322L));
}
return true;
}
if (!sender.send(msg, ZMQ.DONTWAIT)) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("[invalidMsgHandle] {}", ErrId.getErrString(-323L));
}
return true;
}
return false;
}
Example 3
| Source File: TestAsyncMicroServiceMain.java From ignite-book-code-samples with GNU General Public License v3.0 | 6 votes |
|
private static void sendAsync(int val, String account) throws IOException {
ObjectMapper objectMapper = new ObjectMapper();
Context context = ZMQ.context(1);
// Socket to talk to server
Socket requester = context.socket(ZMQ.REQ);
requester.connect("tcp://localhost:5559");
System.out.println("launch and connect client.");
ValidateRequest req = new ValidateRequest(account, new BigDecimal(val));
//send request
requester.send(objectMapper.writeValueAsString(req), 0);
//receive response
String responseStr = requester.recvStr(0);
//parse and print reply
ValidateResponse reply = objectMapper.readValue(responseStr, ValidateResponse.class);
System.out.println("Received reply for request= " + req + " reply= " + reply + "");
// We never get here but clean up anyhow
requester.close();
context.term();
}
Example 4
| Source File: ZFrame.java From aion with MIT License | 5 votes |
|
/**
* Method to call org.zeromq.Socket send() method.
* @param socket
* 0MQ socket to send on
* @param flags
* Valid send() method flags, defined in org.zeromq.ZMQ class
* @return True if success, else False
*/
public boolean send(Socket socket, int flags)
{
// Note the jzmq Socket.cpp JNI class does a memcpy of the byte data
// before calling
// the 0MQ send function, so don't have to clone the message data again
// here.
return socket.send(hasData() ? data : new byte[0], flags);
}
Example 5
| Source File: ZAuth.java From aion with MIT License | 5 votes |
|
@Override
public void run(Object[] args, ZContext ctx, Socket pipe) {
this.pipe = pipe;
//create ZAP handler and get ready for requests
handler = ctx.createSocket(ZMQ.REP);
try {
handler.bind("inproc://zeromq.zap.01");
} catch (ZMQException e) {
pipe.send("ERROR");
return;
}
pipe.send("OK");
PollItem[] pollItems = {new PollItem(pipe, Poller.POLLIN), new PollItem(handler, Poller.POLLIN)};
while (!terminated && !Thread.currentThread().isInterrupted()) {
int rc = ZMQ.poll(pollItems, -1);
if (rc == -1) {
break; //interrupt
}
if (pollItems[0].isReadable()) {
if (!controlMessage()) {
break;
}
}
if (pollItems[1].isReadable()) {
if (!authenticate()) {
break;
}
}
}
}
Example 6
| Source File: Proxy.java From aion with MIT License | 5 votes |
|
private static boolean msgProcessRecv(Socket receiver, Socket sender, Socket hb) {
byte[] msg = receiver.recv(0);
if (msg == null) {
return true;
}
byte[] msgMore = null;
if (receiver.hasReceiveMore()) {
msgMore = receiver.recv(0);
if (msgMore == null) {
return true;
}
}
if (heartBeatMsg(msgMore)) {
if (!hb.send(msg, ZMQ.SNDMORE)) {
return true;
}
return !hb.send(msgMore, ZMQ.DONTWAIT);
} else {
if (!sender.send(msg, msgMore == null ? ZMQ.DONTWAIT : ZMQ.SNDMORE)) {
return true;
}
if (msgMore != null) {
return !sender.send(msgMore, ZMQ.DONTWAIT);
}
}
return false;
}
Example 7
| Source File: Session.java From jupyter-kernel-jsr223 with Apache License 2.0 | 5 votes |
|
public static void runKernelDebug(Session session) throws FileNotFoundException,
InvalidKeyException,
UnsupportedEncodingException,
IOException {
Session._DEBUG_ = true;
ZContext ctx = new ZContext();
Socket channel = ctx.createSocket(ZMQ.REP);
channel.bind("tcp://127.0.0.1:2222");
byte[] msg = channel.recv();
String sArgs = new String(msg, StandardCharsets.UTF_8);
String[] newArgs = sArgs.split(" ");
channel.send("ok");
runKernel(session, newArgs);
}
Example 8
| Source File: AsyncBankServiceImpl.java From ignite-book-code-samples with GNU General Public License v3.0 | 5 votes |
|
@Override
public void execute(ServiceContext serviceContext) throws Exception {
ObjectMapper objectMapper = new ObjectMapper();
Context context = ZMQ.context(1);
// Socket to talk to server
Socket responder = context.socket(ZMQ.REP);
responder.connect(zeroMqBrokerAddress);
ZMQ.PollItem items[] = {new ZMQ.PollItem(responder, ZMQ.Poller.POLLIN)};
while (!Thread.currentThread().isInterrupted() && !serviceContext.isCancelled()) {
// Wait for next request from client
int rc = ZMQ.poll(items, 1000);
if (rc == -1) {
continue;
}
if (items[0].isReadable()) {
String reqStr = responder.recvStr(0);
System.out.printf("Received request: [%s]\n", reqStr);
ValidateRequest req = objectMapper.readValue(reqStr, ValidateRequest.class);
ValidateResponse result = validateOperation(req.getAccount(), req.getSum());
System.out.printf("send response request: [%s]\n", result);
responder.send(objectMapper.writeValueAsString(result));
}
}
System.out.println("Stop async read!");
// We never get here but clean up anyhow
responder.close();
context.term();
}
Example 9
| Source File: ProtocolProcessor.java From aion with MIT License | 4 votes |
|
private void callbackRun(Context ctx) {
Socket sock = ctx.socket(ZMQ.DEALER);
sock.connect(AION_ZMQ_CB_TH);
while (!shutDown.get()) {
TxPendingStatus tps;
try {
tps = ((HdlrZmq) this.handler).getTxStatusQueue().take();
} catch (InterruptedException e1) {
// TODO Auto-generated catch block
if (LOG.isErrorEnabled()) {
LOG.error("queue take exception - [{}]", e1.getMessage());
}
continue;
}
if (tps.isEmpty()) {
continue;
}
byte[] rsp =
tps.toTxReturnCode() != 105
? ((HdlrZmq) this.handler)
.toRspMsg(
tps.getMsgHash(), tps.toTxReturnCode(), tps.getError())
: ((HdlrZmq) this.handler)
.toRspMsg(
tps.getMsgHash(),
tps.toTxReturnCode(),
tps.getError(),
tps.getTxResult());
if (LOG.isTraceEnabled()) {
LOG.trace(
"callbackRun send. socketID: [{}], msgHash: [{}], txReturnCode: [{}]/n rspMsg: [{}]",
Hex.toHexString(tps.getSocketId()),
Hex.toHexString(tps.getMsgHash()),
tps.toTxReturnCode(),
Hex.toHexString(rsp));
}
try {
sock.send(tps.getSocketId(), ZMQ.SNDMORE);
sock.send(rsp, ZMQ.DONTWAIT);
} catch (Exception e) {
if (LOG.isErrorEnabled()) {
LOG.error(
"ProtocolProcessor.callbackRun sock.send exception: " + e.getMessage());
}
}
}
sock.close();
if (LOG.isDebugEnabled()) {
LOG.debug("close callbackRun sockets...");
}
}
Example 10
| Source File: MsgExecutor.java From aion_api with MIT License | 4 votes |
|
private void heartBeatRun(Context ctx) {
Socket hbWorker = ctx.socket(ZMQ.DEALER);
hbWorker.connect(HB_BIND_ADDR + addrBindNumber);
hbWorker.setReceiveTimeOut(1000);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("hbWorker connected!");
}
int hbTolerance = HB_TOLERANCE;
byte[] hbMsg = ApiUtils.toReqHeader(this.ver, Message.Servs.s_hb, Message.Funcs.f_NA);
while (this.running && hbTolerance > 0) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("send hb!");
}
if (!hbWorker.send(hbMsg, ZMQ.DONTWAIT)) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("send heartbeat msg failed.");
}
continue;
}
byte[] rsp = hbWorker.recv(ZMQ.PAIR);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("recv msg: [{}]", (rsp != null ? IUtils.bytes2Hex(rsp) : "null"));
}
if (checkNotHbRspMsg(rsp)) {
hbTolerance--;
} else {
hbTolerance = HB_TOLERANCE;
}
try {
Thread.sleep(HB_POLL_MS);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
if (this.running) {
this.running = false;
LOGGER.warn("timeout, disconnect the connection!");
hbWorker.close();
terminate();
LOGGER.info("closed!");
}
}
Example 11
| Source File: MsgExecutor.java From aion_api with MIT License | 4 votes |
|
private void workerRun(Context ctx) {
Socket worker = ctx.socket(ZMQ.DEALER);
worker.connect(WK_BIND_ADDR + addrBindNumber);
worker.setReceiveTimeOut(RECVTIMEOUT);
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("connected!");
}
while (true) {
MsgReq msg = null;
try {
msg = queue.poll(RECVTIMEOUT, TimeUnit.MILLISECONDS);
} catch (InterruptedException e) {
e.printStackTrace();
}
if (!this.running) {
break;
}
if (msg != null && msg.req != null) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("poll q: [{}]", IUtils.bytes2Hex(msg.hash));
}
if (!worker.send(msg.req, ZMQ.PAIR)) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("send msg failed. Msg: [{}]", IUtils.bytes2Hex(msg.req));
}
continue;
}
byte[] rsp = worker.recv(ZMQ.PAIR);
if (this.running) {
if (rsp == null) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("recv msg: [null]");
}
return;
}
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("recv msg: [{}]", IUtils.bytes2Hex(rsp));
}
process(rsp);
} else {
break;
}
}
}
LOGGER.info("closing!");
worker.close();
LOGGER.info("closed!");
}
Example 12
| Source File: MsgExecutor.java From aion_api with MIT License | 4 votes |
|
private boolean msgHandle(
Socket receiver, Socket sender, Socket sender2, Socket sender3, Socket sender4) {
byte[] msg = receiver.recv(ZMQ.PAIR);
if (msg == null) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("[msgHandle] {}", ErrId.getErrString(-322L));
}
return false;
}
if (msg.length < ApiUtils.RSP_HEADER_NOHASH_LEN) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("[msgHandle] {}", ErrId.getErrString(-321L));
}
return false;
}
if (msg[1] > Message.Retcode.r_tx_Recved_VALUE) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("[msgHandle]" + " forward to txSender.");
}
if (!sender2.send(msg, ZMQ.PAIR)) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("[msgHandle] txSender{}", ErrId.getErrString(-323L));
}
return false;
}
} else if (msg[1] == Message.Retcode.r_heartbeatReturn_VALUE) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("[msgHandle] forward to hbDealer.");
}
if (!sender4.send(msg, ZMQ.PAIR)) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("[msgHandle] hbDealer{}", ErrId.getErrString(-323L));
}
return false;
}
} else {
if (msg[2] == 0) {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("[msgHandle] forward to nonBlockSender.");
}
if (!sender3.send(msg, ZMQ.PAIR)) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("[msgHandle] nonBlockSender{}", ErrId.getErrString(-323L));
}
return false;
}
} else {
if (LOGGER.isDebugEnabled()) {
LOGGER.debug("[msgHandle] forward to normalSender.");
}
if (!sender.send(msg, ZMQ.PAIR)) {
if (LOGGER.isErrorEnabled()) {
LOGGER.error("[msgHandle] regularSender{}", ErrId.getErrString(-323L));
}
return false;
}
}
}
return true;
}
Example 13
| Source File: ZmqSendingMessageHandler.java From spring-integration-zmq with Apache License 2.0 | 4 votes |
|
public void run() {
Socket socket = null;
synchronized (startupMonitor) {
try {
socket = contextManager.context().createSocket(socketType);
if (bind) {
socket.bind(address);
} else {
socket.connect(address);
}
} finally {
startupMonitor.notify();
}
}
while (!Thread.currentThread().isInterrupted()) {
try {
Message<?> message = messageQueue.take();
byte[] payload = converter.convert(message.getPayload());
if (topicBytes == null) {
socket.send(payload);
} else {
byte[] msgTopic = null;
if (message.getHeaders().containsKey("zmq.topic")) {
msgTopic = message.getHeaders().get("zmq.topic", String.class).getBytes(ZMQ.CHARSET);
} else {
msgTopic = topicBytes;
}
byte[] topicPayload = new byte[msgTopic.length + payload.length];
System.arraycopy(msgTopic, 0, topicPayload, 0, msgTopic.length);
System.arraycopy(payload, 0, topicPayload, msgTopic.length, payload.length);
socket.send(topicPayload);
}
} catch (Throwable t) {
if (!running) {
break;
}
logger.error("Exception in zmq sending message handler", t);
}
}
socket.close();
}
