summaryrefslogtreecommitdiff
path: root/src/pub.cpp
diff options
context:
space:
mode:
authorMartin Sustrik <sustrik@250bpm.com>2010-12-04 23:14:38 +0100
committerMartin Sustrik <sustrik@250bpm.com>2010-12-04 23:14:38 +0100
commitc80e7b80cc726ca7c29493c2553c8d19792bb6e5 (patch)
tree9c740ee660e900766a6f7d7e8a48bb09a6b72c4b /src/pub.cpp
parentabc8b5e40c55deb96e7674b15629f2affa4eb92a (diff)
XPUB and XSUB socket types added.
These are just placeholders. At the moment XPUB behaves th same as PUB and XSUB as SUB. Signed-off-by: Martin Sustrik <sustrik@250bpm.com>
Diffstat (limited to 'src/pub.cpp')
-rw-r--r--src/pub.cpp144
1 files changed, 1 insertions, 143 deletions
diff --git a/src/pub.cpp b/src/pub.cpp
index 84bd9e1..25d397c 100644
--- a/src/pub.cpp
+++ b/src/pub.cpp
@@ -17,155 +17,13 @@
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 ctx_t *parent_, uint32_t tid_) :
- socket_base_t (parent_, tid_),
- active (0),
- terminating (false)
+ xpub_t (parent_, tid_)
{
- options.type = ZMQ_PUB;
- options.requires_in = false;
- options.requires_out = true;
}
zmq::pub_t::~pub_t ()
{
- zmq_assert (pipes.empty ());
-}
-
-void zmq::pub_t::xattach_pipes (class reader_t *inpipe_,
- class writer_t *outpipe_, const blob_t &peer_identity_)
-{
- zmq_assert (!inpipe_);
-
- outpipe_->set_event_sink (this);
-
- pipes.push_back (outpipe_);
- pipes.swap (active, pipes.size () - 1);
- active++;
-
- if (terminating) {
- register_term_acks (1);
- outpipe_->terminate ();
- }
}
-
-void zmq::pub_t::process_term (int linger_)
-{
- terminating = true;
-
- // Start shutdown process for all the pipes.
- for (pipes_t::size_type i = 0; i != pipes.size (); i++)
- pipes [i]->terminate ();
-
- // Wait for pipes to terminate before terminating yourself.
- register_term_acks (pipes.size ());
-
- // Continue with the termination immediately.
- socket_base_t::process_term (linger_);
-}
-
-void zmq::pub_t::activated (writer_t *pipe_)
-{
- // Move the pipe to the list of active pipes.
- pipes.swap (pipes.index (pipe_), active);
- active++;
-}
-
-void zmq::pub_t::terminated (writer_t *pipe_)
-{
- // Remove the pipe from the list; adjust number of active pipes
- // accordingly.
- if (pipes.index (pipe_) < active)
- active--;
- pipes.erase (pipe_);
-
- // If we are already terminating, wait for one term ack less.
- if (terminating)
- unregister_term_ack ();
-}
-
-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;
-}
-
-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;
-}
-