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 "gather.hpp"
      33             : #include "err.hpp"
      34             : #include "msg.hpp"
      35             : #include "pipe.hpp"
      36             : 
      37           6 : zmq::gather_t::gather_t (class ctx_t *parent_, uint32_t tid_, int sid_) :
      38           6 :     socket_base_t (parent_, tid_, sid_, true)
      39             : {
      40           6 :     options.type = ZMQ_GATHER;
      41           6 : }
      42             : 
      43          12 : zmq::gather_t::~gather_t ()
      44             : {
      45          12 : }
      46             : 
      47           6 : void zmq::gather_t::xattach_pipe (pipe_t *pipe_, bool subscribe_to_all_)
      48             : {
      49             :     LIBZMQ_UNUSED (subscribe_to_all_);
      50             : 
      51           6 :     zmq_assert (pipe_);
      52           6 :     fq.attach (pipe_);
      53           6 : }
      54             : 
      55           0 : void zmq::gather_t::xread_activated (pipe_t *pipe_)
      56             : {
      57           0 :     fq.activated (pipe_);
      58           0 : }
      59             : 
      60           6 : void zmq::gather_t::xpipe_terminated (pipe_t *pipe_)
      61             : {
      62           6 :     fq.pipe_terminated (pipe_);
      63           6 : }
      64             : 
      65           6 : int zmq::gather_t::xrecv (msg_t *msg_)
      66             : {
      67           6 :     int rc = fq.recvpipe (msg_, NULL);
      68             : 
      69             :     // Drop any messages with more flag
      70          12 :     while (rc == 0 && msg_->flags () & msg_t::more) {
      71             : 
      72             :         // drop all frames of the current multi-frame message
      73           0 :         rc = fq.recvpipe (msg_, NULL);
      74             : 
      75           0 :         while (rc == 0 && msg_->flags () & msg_t::more)
      76           0 :             rc = fq.recvpipe (msg_, NULL);
      77             : 
      78             :         // get the new message
      79           0 :         if (rc == 0)
      80           0 :             rc = fq.recvpipe (msg_, NULL);
      81             :     }
      82             : 
      83           6 :     return rc;
      84             : }
      85             : 
      86           0 : bool zmq::gather_t::xhas_in ()
      87             : {
      88           0 :     return fq.has_in ();
      89             : }
      90             : 
      91           0 : zmq::blob_t zmq::gather_t::get_credential () const
      92             : {
      93           0 :     return fq.get_credential ();
      94             : }