From a15854bd92db69fcd0b4444fe1b8fe3610a7acf6 Mon Sep 17 00:00:00 2001 From: Martin Lucina Date: Mon, 23 Jan 2012 08:53:19 +0100 Subject: Imported Upstream version 2.0.7.dfsg --- src/sub.hpp | 81 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 src/sub.hpp (limited to 'src/sub.hpp') diff --git a/src/sub.hpp b/src/sub.hpp new file mode 100644 index 0000000..7b997c9 --- /dev/null +++ b/src/sub.hpp @@ -0,0 +1,81 @@ +/* + Copyright (c) 2007-2010 iMatix Corporation + + This file is part of 0MQ. + + 0MQ is free software; you can redistribute it and/or modify it under + the terms of the Lesser GNU 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 + Lesser GNU General Public License for more details. + + You should have received a copy of the Lesser GNU General Public License + along with this program. If not, see . +*/ + +#ifndef __ZMQ_SUB_HPP_INCLUDED__ +#define __ZMQ_SUB_HPP_INCLUDED__ + +#include "../include/zmq.h" + +#include "prefix_tree.hpp" +#include "socket_base.hpp" +#include "fq.hpp" + +namespace zmq +{ + + class sub_t : public socket_base_t + { + public: + + sub_t (class app_thread_t *parent_); + ~sub_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_); + void xdetach_inpipe (class reader_t *pipe_); + void xdetach_outpipe (class writer_t *pipe_); + void xkill (class reader_t *pipe_); + void xrevive (class reader_t *pipe_); + void xrevive (class writer_t *pipe_); + int xsetsockopt (int option_, const void *optval_, size_t optvallen_); + int xsend (zmq_msg_t *msg_, int flags_); + int xrecv (zmq_msg_t *msg_, int flags_); + bool xhas_in (); + bool xhas_out (); + + private: + + // 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. + prefix_tree_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; + + sub_t (const sub_t&); + void operator = (const sub_t&); + }; + +} + +#endif -- cgit v1.2.3