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/pub.cpp | 162 +++--------------------------------------------------------- 1 file changed, 8 insertions(+), 154 deletions(-) (limited to 'src/pub.cpp') diff --git a/src/pub.cpp b/src/pub.cpp index 4e73b19..74f07fc 100644 --- a/src/pub.cpp +++ b/src/pub.cpp @@ -1,177 +1,31 @@ /* - Copyright (c) 2007-2010 iMatix Corporation + 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 Lesser GNU General Public License as published by + 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 - Lesser GNU General Public License for more details. + GNU Lesser General Public License for more details. - You should have received a copy of the Lesser GNU General Public License + You should have received a copy of the GNU Lesser General Public License along with this program. If not, see . */ -#include "../include/zmq.h" - #include "pub.hpp" -#include "err.hpp" -#include "msg_content.hpp" -#include "pipe.hpp" -zmq::pub_t::pub_t (class app_thread_t *parent_) : - socket_base_t (parent_), - active (0) +zmq::pub_t::pub_t (class ctx_t *parent_, uint32_t tid_) : + xpub_t (parent_, tid_) { - options.requires_in = false; - options.requires_out = true; + options.type = ZMQ_PUB; } zmq::pub_t::~pub_t () { - for (pipes_t::size_type i = 0; i != pipes.size (); i++) - pipes [i]->term (); - pipes.clear (); -} - -void zmq::pub_t::xattach_pipes (class reader_t *inpipe_, - class writer_t *outpipe_, const blob_t &peer_identity_) -{ - zmq_assert (!inpipe_); - pipes.push_back (outpipe_); - pipes.swap (active, pipes.size () - 1); - active++; -} - -void zmq::pub_t::xdetach_inpipe (class reader_t *pipe_) -{ - zmq_assert (false); -} - -void zmq::pub_t::xdetach_outpipe (class writer_t *pipe_) -{ - // Remove the pipe from the list; adjust number of active pipes - // accordingly. - if (pipes.index (pipe_) < active) - active--; - pipes.erase (pipe_); } - -void zmq::pub_t::xkill (class reader_t *pipe_) -{ - zmq_assert (false); -} - -void zmq::pub_t::xrevive (class reader_t *pipe_) -{ - zmq_assert (false); -} - -void zmq::pub_t::xrevive (class writer_t *pipe_) -{ - // Move the pipe to the list of active pipes. - pipes.swap (pipes.index (pipe_), active); - active++; -} - -int zmq::pub_t::xsetsockopt (int option_, const void *optval_, - size_t optvallen_) -{ - errno = EINVAL; - return -1; -} - -int zmq::pub_t::xsend (zmq_msg_t *msg_, int flags_) -{ - // If there are no active pipes available, simply drop the message. - if (active == 0) { - int rc = zmq_msg_close (msg_); - zmq_assert (rc == 0); - rc = zmq_msg_init (msg_); - zmq_assert (rc == 0); - return 0; - } - - msg_content_t *content = (msg_content_t*) msg_->content; - - // For VSMs the copying is straighforward. - if (content == (msg_content_t*) ZMQ_VSM) { - for (pipes_t::size_type i = 0; i != active;) - if (write (pipes [i], msg_)) - i++; - int rc = zmq_msg_init (msg_); - zmq_assert (rc == 0); - return 0; - } - - // Optimisation for the case when there's only a single pipe - // to send the message to - no refcount adjustment i.e. no atomic - // operations are needed. - if (active == 1) { - if (!write (pipes [0], msg_)) { - int rc = zmq_msg_close (msg_); - zmq_assert (rc == 0); - } - int rc = zmq_msg_init (msg_); - zmq_assert (rc == 0); - return 0; - } - - // There are at least 2 destinations for the message. That means we have - // to deal with reference counting. First add N-1 references to - // the content (we are holding one reference anyway, that's why -1). - if (msg_->flags & ZMQ_MSG_SHARED) - content->refcnt.add (active - 1); - else { - content->refcnt.set (active); - msg_->flags |= ZMQ_MSG_SHARED; - } - - // Push the message to all destinations. - for (pipes_t::size_type i = 0; i != active;) { - if (!write (pipes [i], msg_)) - content->refcnt.sub (1); - else - i++; - } - - // Detach the original message from the data buffer. - int rc = zmq_msg_init (msg_); - zmq_assert (rc == 0); - - return 0; -} - -int zmq::pub_t::xrecv (zmq_msg_t *msg_, int flags_) -{ - errno = ENOTSUP; - return -1; -} - -bool zmq::pub_t::xhas_in () -{ - return false; -} - -bool zmq::pub_t::xhas_out () -{ - return true; -} - -bool zmq::pub_t::write (class writer_t *pipe_, zmq_msg_t *msg_) -{ - if (!pipe_->write (msg_)) { - active--; - pipes.swap (pipes.index (pipe_), active); - return false; - } - if (!(msg_->flags & ZMQ_MSG_MORE)) - pipe_->flush (); - return true; -} - -- cgit v1.2.3