2 Copyright (C) 2020 Carl Hetherington <cth@carlh.net>
4 This file is part of DCP-o-matic.
6 DCP-o-matic is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 DCP-o-matic is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with DCP-o-matic. If not, see <http://www.gnu.org/licenses/>.
23 #include <boost/optional.hpp>
24 #include <boost/noncopyable.hpp>
26 class Nanomsg : public boost::noncopyable
29 explicit Nanomsg (bool server);
31 /** Try to send a message, waiting for some timeout before giving up.
32 * @param timeout Timeout in milliseconds, or -1 for infinite timeout.
33 * @return true if the send happened, false if there was a timeout.
35 bool send (std::string s, int timeout);
37 /** Try to receive a message, waiting for some timeout before giving up.
38 * @param timeout Timeout in milliseconds, or -1 for infinite timeout.
39 * @return Empty if the timeout was reached, otherwise the received string.
41 boost::optional<std::string> receive (int timeout);
44 boost::optional<std::string> get_from_pending ();
45 void recv_and_parse (int flags);
48 std::list<std::string> _pending;