Sending raw bytes over ZMQ sockets with C++

#zmqcpp-raw-README.md

Demo of sending raw bytes over ZMQ sockets with C++.

This assumes you are using miniconda and have installed cppzmq:

conda install -c conda-forge cppzmq

CMakeLists.txt

cmake_minimum_required(VERSION 3.6)

project(zmqcpp)

find_library(LIBZMQ libzmq.a PATHS ~/miniconda3/lib)
include_directories(~/miniconda3/include)

add_executable(${CMAKE_PROJECT_NAME} main.cpp)
set_property(TARGET ${CMAKE_PROJECT_NAME} PROPERTY CXX_STANDARD 14)
target_link_libraries(${CMAKE_PROJECT_NAME} ${LIBZMQ})

main.cpp

#include <iostream>
#include <sstream>
#include <thread>
#include <chrono>
#include <zmq.hpp>


int main() {
    zmq::context_t ctx(1);
    zmq::socket_t socket(ctx, ZMQ_PUB);
    socket.bind("tcp://*:9090");

    for (double i = 0; i < 1000; i++) {
        std::ostringstream stream;
        stream.write(reinterpret_cast<char *>(&i), sizeof(i));
        std::cout << "Sending " << i << std::endl;;
        zmq::message_t msg(stream.str().c_str(), stream.str().length());
        socket.send(msg);

        std::this_thread::sleep_for(std::chrono::seconds(1));
    }

    return 0;
}