ZeroMQ context singleton, provided in a DLL, crashes when program exits...
This is the singleton#pragma onceclass ContextManager {public: static ContextManager& Instance() { static ContextManager instance; return instance; } zmq::context_t& GetContext() { return...
View ArticleError when i Bind Or Connect With UDP Protocol (ZeroMQException(156384764):...
i use SocketType.sub and SocketType.pub to connect and bind from udp addressi watched documentation of zmq and i must use socket type as like Radio and Dish but i can't find it in dartzmqmy simple code...
View ArticlePUB/SUB not sending data
I'm sending data in python between two connect machines within the same network (successfully connected).The publisher code is defined as:def senderzmq(self, lat, lon): sock =...
View Articlepyzmq context sometimes slow to initialize
I have recently started to use ZeroMQ and have observed that sometimes initialization of the ZeroMQ context can take as much as 40 seconds. Usually it's much faster than that.Eg:import zmq# the next...
View ArticleIs jeromq production ready?
I've used ZeroMQ in the past with with JVM applications via the jzmq library. I am planning on using zeromq on a new project where some of the services are implemented on the JVM. I just discovered...
View ArticleWhy does zeromq subscribe act differently on windows and Linux? (No Connect...
I have had a zeromq MatLab system working well for over a year (MatLab used jeromq-5.2) but now the Linux version of the compiled MatLab executable is misbehaving intermittently. To try and track this...
View ArticlePyinstaller error running script with pyzmq dependency
I am running into issues creating a pyinstaller(v4.2) executable with a pyzmq (v22.0.2) dependency. I created an executable by running "pyinstaller main.py". The dist folder was created without errors...
View ArticleZeroMQ DEALER doesnt receive response from ROUTER in DEALER/ROUTER configuration
Im trying to implement a distributed system in Java using ZeroMQ. I have created a ServerNode and a Broker class. The relevant part of the ServerNode is the following:public class ServerNode { ......
View ArticleVisualizing ZeroMQ network as graph in real time
I have a network of nodes in Python where I am using the ZeroMQ library with publish/subscribe messaging pattern to publish messages in a many-to-many fashion among other nodes. I want to be able to...
View ArticleWhat can an XSUB-XPUB broker do than a SUB-PUB broker can't?
According to the 0MQ guide, an XSUB-XPUB broker can access the (otherwise hidden) messages related to topic subscriptions by consumers in this scenario: many publishers (UP) ---> XSUB|broker|XPUB...
View ArticlePython Stopped Working on Jupyter StartUp
I start Jupyter from my powershell prompt jupyter notebook and it loads up correctly, but when I open a new or existing notebook, the kernel sits busy for about 10 sec and then I get a pop-up saying...
View ArticleZMQ general visibility / debuggiing suggestions
I have beeen using ZMQ (via pyzmq) recently for setting up publish/subscribe between nodes on a single machine. However, when things go wrong, I have no visibility into what is causing the issue, and...
View ArticleZMQ not dequeuing when there is not a resource issue
I have a strange problem with ZMQ dequeuing. An image processing run is processing the images correctly and then sending them to the display image run. The test I am running has over 2000 images from...
View ArticleHow to dispose of Sockets, Monitors and Pollers in NetMQ / ZeroMQ correctly?
I'm working with C#, Unity and NetMQ (ZeroMQ for c#). I'm creating and connecting/binding a PublisherSocket and SubscriberSocket and are monitoring it with a NetMQPoller and NetMQMonitor. I'm doing the...
View ArticleZMQ : how does a router identify a dealer
I'm using the ZMQ pattern dealer/router.In my project, a router is an agent manager and a dealer is an agent.So I have many dealers and only one router.Each dealer can send its own request to the...
View ArticleI face with some errors when building zmq as an external library in Debian 12
I am working with a legacy code that developed in Centos 8. Now, I have to build it in the Debian 12 (We don't have any problem in Centos!). One of the project dependencies is zmq that build with below...
View ArticleInstalling php-zmq extension on PHP 8.1 in a docker container
What is wrong with this Dockerfile?FROM php:8.1-apacheRUN apt-get update && apt-get install -y libzmq5# Install the ZeroMQ extensionRUN pecl install zmq-beta# Enable the ZeroMQ extensionRUN...
View Articlehow to use "inproc" for connecting C# and C++ (how to share context?)
I want to connect c++ and c# side of my application using "inproc" binding.To do that I need to share context somehow, because both c# and c++parts should use the same context.How can I do that? I'm...
View ArticleMonitor queue usage on ZeroMQ PULL socket
My application needs to pull data from a PUSH socket (I do not have control of the server side). The data is processed and written to file, which is single-threaded and I/O bound with variable...
View ArticleHow to zmq.poll() some socket and some sort of variable?
I'm attempting to poll a few sockets and a multiprocessing.EventThe documentation states: A zmq.Socketor any Python object having a fileno() method that returns a valid file descriptor. which means...
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