helloworld.cpp

#include <proton/connection.hpp>
#include <proton/container.hpp>
#include <proton/delivery.hpp>
#include <proton/message.hpp>
#include <proton/messaging_handler.hpp>
#include <proton/tracker.hpp>

#include <iostream>


class hello_world : public proton::messaging_handler {
    std::string conn_url_;
    std::string addr_;

  public:
    hello_world(const std::string& u, const std::string& a) :
        conn_url_(u), addr_(a) {}

    void on_container_start(proton::container& c) override {
        c.connect(conn_url_);
    }

    void on_connection_open(proton::connection& c) override {
        c.open_receiver(addr_);
        c.open_sender(addr_);
    }

    void on_sendable(proton::sender &s) override {
        proton::message m("Hello World!");
        s.send(m);
        s.close();
    }

    void on_message(proton::delivery &d, proton::message &m) override {
        std::cout << m.body() << std::endl;
        d.connection().close();
    }
};

int main(int argc, char **argv) {
    try {
        std::string conn_url = argc > 1 ? argv[1] : "//127.0.0.1:5672";
        std::string addr = argc > 2 ? argv[2] : "examples";

        hello_world hw(conn_url, addr);
        proton::container(hw).run();

        return 0;
    } catch (const std::exception& e) {
        std::cerr << e.what() << std::endl;
    }

    return 1;
}