Program Listing for File zmqutil.hpp

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// ---------------------------------------------------------------------
// This file is part of falcon-core.
//
// Copyright (C) 2015, 2016, 2017 Neuro-Electronics Research Flanders
//
// Falcon-server is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Falcon-server is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with falcon-core. If not, see <http://www.gnu.org/licenses/>.
// ---------------------------------------------------------------------

#pragma once

#include <cstring>
#include <deque>
#include <string>
#include <zmq.hpp>

typedef std::deque<std::string> zmq_frames;

// Convert string to 0MQ string and send to socket
bool s_send(zmq::socket_t &socket, const std::string &string, int more=0);
// Send multi-part message
bool s_send_multi(zmq::socket_t &socket, const zmq_frames &frames);
// helper function to check if more message parts are available
// Receive 0MQ string from socket and convert into string
bool s_recv(zmq::socket_t &socket, std::string &s_message, int more=0);
// Non-blocking receive string
//bool s_nonblocking_recv(zmq::socket_t &socket, std::string &s_message);
bool sockopt_rcvmore(zmq::socket_t &socket);
// Receive multipart message
zmq_frames s_blocking_recv_multi(zmq::socket_t &socket);
// Non-blocking receive multi-part message
bool s_nonblocking_recv_multi(zmq::socket_t &socket, zmq_frames &frames);