// A receiver receives messages from a publisher to a queue.
void on_receiver_open(proton::receiver &receiver) override {
std::string qname = receiver.target().address();
if (qname == "shutdown") {
std::cout << "broker shutting down" << std::endl;
// Sending to the special "shutdown" queue stops the broker.
proton::controller::get(receiver.connection()).stop(
proton::error_condition("shutdown", "stop broker"));
} else {
std::cout << "receiving to " << qname << std::endl;
}
}
void on_receiver_open(proton::receiver& r) override {
std::cout << r << ": New incoming receiver: target address: " << r.target().address() << "\n";
}