From e645fc2693acc796304498909786b7b47005b429 Mon Sep 17 00:00:00 2001 From: Martin Lucina Date: Mon, 23 Jan 2012 08:53:35 +0100 Subject: Imported Upstream version 2.1.3 --- src/xsub.hpp | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 src/xsub.hpp (limited to 'src/xsub.hpp') diff --git a/src/xsub.hpp b/src/xsub.hpp new file mode 100644 index 0000000..6bd55ad --- /dev/null +++ b/src/xsub.hpp @@ -0,0 +1,80 @@ +/* + Copyright (c) 2007-2011 iMatix Corporation + Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the GNU Lesser General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + 0MQ 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 Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public License + along with this program. If not, see . +*/ + +#ifndef __ZMQ_XSUB_HPP_INCLUDED__ +#define __ZMQ_XSUB_HPP_INCLUDED__ + +#include "../include/zmq.h" + +#include "trie.hpp" +#include "socket_base.hpp" +#include "fq.hpp" + +namespace zmq +{ + + class xsub_t : public socket_base_t + { + public: + + xsub_t (class ctx_t *parent_, uint32_t tid_); + ~xsub_t (); + + protected: + + // Overloads of functions from socket_base_t. + void xattach_pipes (class reader_t *inpipe_, class writer_t *outpipe_, + const blob_t &peer_identity_); + int xsend (zmq_msg_t *msg_, int options_); + bool xhas_out (); + int xrecv (zmq_msg_t *msg_, int flags_); + bool xhas_in (); + + private: + + // Hook into the termination process. + void process_term (int linger_); + + // Check whether the message matches at least one subscription. + bool match (zmq_msg_t *msg_); + + // Fair queueing object for inbound pipes. + fq_t fq; + + // The repository of subscriptions. + trie_t subscriptions; + + // If true, 'message' contains a matching message to return on the + // next recv call. + bool has_message; + zmq_msg_t message; + + // If true, part of a multipart message was already received, but + // there are following parts still waiting. + bool more; + + xsub_t (const xsub_t&); + const xsub_t &operator = (const xsub_t&); + }; + +} + +#endif + -- cgit v1.2.3