Line data    Source code

       1             : /*
       2             :     Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
       3             : 
       4             :     This file is part of libzmq, the ZeroMQ core engine in C++.
       5             : 
       6             :     libzmq is free software; you can redistribute it and/or modify it under
       7             :     the terms of the GNU Lesser General Public License (LGPL) as published
       8             :     by the Free Software Foundation; either version 3 of the License, or
       9             :     (at your option) any later version.
      10             : 
      11             :     As a special exception, the Contributors give you permission to link
      12             :     this library with independent modules to produce an executable,
      13             :     regardless of the license terms of these independent modules, and to
      14             :     copy and distribute the resulting executable under terms of your choice,
      15             :     provided that you also meet, for each linked independent module, the
      16             :     terms and conditions of the license of that module. An independent
      17             :     module is a module which is not derived from or based on this library.
      18             :     If you modify this library, you must extend this exception to your
      19             :     version of the library.
      20             : 
      21             :     libzmq is distributed in the hope that it will be useful, but WITHOUT
      22             :     ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
      23             :     FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
      24             :     License for more details.
      25             : 
      26             :     You should have received a copy of the GNU Lesser General Public License
      27             :     along with this program.  If not, see <http://www.gnu.org/licenses/>.
      28             : */
      29             : 
      30             : #include "precompiled.hpp"
      31             : #include "macros.hpp"
      32             : #include "scatter.hpp"
      33             : #include "pipe.hpp"
      34             : #include "err.hpp"
      35             : #include "msg.hpp"
      36             : 
      37           3 : zmq::scatter_t::scatter_t (class ctx_t *parent_, uint32_t tid_, int sid_) :
      38           3 :     socket_base_t (parent_, tid_, sid_, true)
      39             : {
      40           3 :     options.type = ZMQ_SCATTER;
      41           3 : }
      42             : 
      43           6 : zmq::scatter_t::~scatter_t ()
      44             : {
      45           6 : }
      46             : 
      47           6 : void zmq::scatter_t::xattach_pipe (pipe_t *pipe_, bool subscribe_to_all_)
      48             : {
      49             :     LIBZMQ_UNUSED (subscribe_to_all_);
      50             : 
      51             :     //  Don't delay pipe termination as there is no one
      52             :     //  to receive the delimiter.
      53           6 :     pipe_->set_nodelay ();
      54             : 
      55           6 :     zmq_assert (pipe_);
      56           6 :     lb.attach (pipe_);
      57           6 : }
      58             : 
      59           0 : void zmq::scatter_t::xwrite_activated (pipe_t *pipe_)
      60             : {
      61           0 :     lb.activated (pipe_);
      62           0 : }
      63             : 
      64           6 : void zmq::scatter_t::xpipe_terminated (pipe_t *pipe_)
      65             : {
      66           6 :     lb.pipe_terminated (pipe_);
      67           6 : }
      68             : 
      69           9 : int zmq::scatter_t::xsend (msg_t *msg_)
      70             : {
      71             :     //  SCATTER sockets do not allow multipart data (ZMQ_SNDMORE)
      72           9 :     if (msg_->flags () & msg_t::more) {
      73           3 :         errno = EINVAL;
      74           3 :         return -1;
      75             :     }
      76             : 
      77           6 :     return lb.send (msg_);
      78             : }
      79             : 
      80           0 : bool zmq::scatter_t::xhas_out ()
      81             : {
      82           0 :     return lb.has_out ();
      83             : }