module-arch-POC/src/port_req_impl.hpp

45 lines
1.6 KiB
C++

#pragma once
#include "port_impl_base.hpp"
#include "port_types.hpp"
#define FMT_HEADER_ONLY
#include <fmt/format.h>
#include <fmt/ranges.h>
template <typename Port, typename Callback> class PortImpl<port_types_e::REQ, Port, Callback> : public PortImplBase<Port, Callback> {
public:
using base_t = PortImplBase<Port, Callback>;
PortImpl(const Port *port, zmq::context_t &zmq_ctx, const std::string &endpoint, Callback &&callback)
: PortImplBase<Port, Callback>(port, zmq_ctx, endpoint, std::forward<Callback>(callback)) {
this->m_sock__ = zmq::socket_t(this->m_ctx__, zmq::socket_type::req);
this->m_sock__.connect(this->mc_endpoint__);
}
void send(const std::string &addr, const msgpack::sbuffer &data) const override {
try {
zmq::message_t reply;
this->m_sock__.send(zmq::message_t(data.data(), data.size()), zmq::send_flags::none);
this->m_sock__.recv(reply, zmq::recv_flags::none).and_then([&](const auto &res) {
typename base_t::port_payload_s payload;
msgpack::sbuffer buf;
buf.write(reinterpret_cast<const char *>(reply.data()), reply.size());
const auto &[typehash, batch] = msgpack::unpack(buf.data(), buf.size()).get().convert(payload);
for (const auto &data : batch) {
this->mc_cbk__(data, typehash);
}
return std::optional(res);
});
} catch (const zmq::error_t &err) {
fmt::print("ZMQ error: {1} ({0})\r\n", err.num(), err.what());
}
};
private:
void listen__(std::stop_token st) const override { throw std::runtime_error("Can't listen on REQUEST pattern socket"); }
};