Request-reply worker in Haxe

Table of Contents

package ;

import haxe.io.Bytes;
import haxe.Stack;
import neko.Lib;
import neko.Sys;
import org.zeromq.ZMQ;
import org.zeromq.ZMQContext;
import org.zeromq.ZMQException;
import org.zeromq.ZMQSocket;

/**
* Hello World server in Haxe
* Binds REP to tcp://*:5560
* Expects "Hello" from client, replies with "World"
* Use with RrClient.hx and RrBroker.hx
*
*/
class RrServer
{

public static function main() {

var context:ZMQContext = ZMQContext.instance();

Lib.println("** RrServer (see: http://zguide.zeromq.org/page:all#A-Request-Reply-Broker)");

// Socket to talk to clients
var responder:ZMQSocket = context.socket(ZMQ_REP);
responder.connect("tcp://localhost:5560");

Lib.println("Launch and connect server.");

ZMQ.catchSignals();

while (true) {

try {
// Wait for next request from client
var request:Bytes = responder.recvMsg();

trace ("Received request:" + request.toString());

// Do some work
Sys.sleep(1);

// Send reply back to client
responder.sendMsg(Bytes.ofString("World"));
} catch (e:ZMQException) {
if (ZMQ.isInterrupted()) {
break;
}
// Handle other errors
trace("ZMQException #:" + e.errNo + ", str:" + e.str());
trace (Stack.toString(Stack.exceptionStack()));
}

}
responder.close();
context.term();

}

}