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authorMartin Lucina <mato@kotelna.sk>2011-03-28 10:39:51 +0200
committerMartin Lucina <martin@lucina.net>2012-01-23 08:53:37 +0100
commit3e20cb1b8a2b1ca222011df37334e5f4f88dd565 (patch)
tree4a753775186bc7f583f1ceb3f9aa675b6f110596 /src/pub.cpp
parent3f0085ddbef1a44b6bb7a0b23af497d56e0025fa (diff)
parente645fc2693acc796304498909786b7b47005b429 (diff)
Imported Debian patch 2.1.3-1debian/2.1.3-1
Diffstat (limited to 'src/pub.cpp')
-rw-r--r--src/pub.cpp162
1 files changed, 8 insertions, 154 deletions
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 <http://www.gnu.org/licenses/>.
*/
-#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;
-}
-