// 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 send_request() {
proton::message req;
req.body(requests.front());
req.reply_to(receiver.remote_source().address());
sender.send(req);
}
// called via work_queue
void receive_done() {
// Add 1 credit, a receiver has taken a message out of the buffer.
receiver_.add_credit(1);
}
void on_receiver_open(proton::receiver& r) override {
receiver_ = r;
std::lock_guard<std::mutex> l(lock_);
work_queue_ = &receiver_.work_queue();
receiver_.add_credit(MAX_BUFFER); // Buffer is empty, initial credit is the limit
}
void on_receiver_open(proton::receiver& r) override {
std::cout << r << ": New incoming receiver: target address: " << r.target().address() << "\n";
}