Durable publisher in Haxe

Table of Contents

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

/**
* Publisher for durable subscriber
*
* See: http://zguide.zeromq.org/page:all#-Semi-Durable-Subscribers-and-High-Water-Marks
*
* Use with DuraSub.hx
*/
class DuraPub
{

public static function main() {
var context:ZMQContext = ZMQContext.instance();

Lib.println("** DuraPub (see: http://zguide.zeromq.org/page:all#-Semi-Durable-Subscribers-and-High-Water-Marks)");

// Subscriber tells us when it is ready here
var sync:ZMQSocket = context.socket(ZMQ_PULL);
sync.bind("tcp://*:5564");

// We send updates via this socket
var publisher:ZMQSocket = context.socket(ZMQ_PUB);

// Uncomment next line to see effect of adding a high water mark to the publisher
// publisher.setsockopt(ZMQ_HWM, { hi:0, lo: 2 } ); // Set HWM to 2

publisher.bind("tcp://*:5565");

// Wait for synchronisation request
sync.recvMsg();

for (update_nbr in 0 … 10) {
var str = "Update " + update_nbr;
Lib.println(str);
publisher.sendMsg(Bytes.ofString(str));
Sys.sleep(1.0);
}
publisher.sendMsg(Bytes.ofString("END"));

sync.close();
publisher.close();
context.term();
}
}