.. _program_listing_file_lib_utilities_zmqutil.hpp:

Program Listing for File zmqutil.hpp
====================================

|exhale_lsh| :ref:`Return to documentation for file <file_lib_utilities_zmqutil.hpp>` (``lib/utilities/zmqutil.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   // ---------------------------------------------------------------------
   // 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);