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 "client.hpp"
      33             : #include "err.hpp"
      34             : #include "msg.hpp"
      35             : 
      36          15 : zmq::client_t::client_t (class ctx_t *parent_, uint32_t tid_, int sid_) :
      37          15 :     socket_base_t (parent_, tid_, sid_, true)
      38             : {
      39          15 :     options.type = ZMQ_CLIENT;
      40          15 : }
      41             : 
      42          30 : zmq::client_t::~client_t ()
      43             : {
      44          30 : }
      45             : 
      46          15 : void zmq::client_t::xattach_pipe (pipe_t *pipe_, bool subscribe_to_all_)
      47             : {
      48             :     LIBZMQ_UNUSED (subscribe_to_all_);
      49             : 
      50          15 :     zmq_assert (pipe_);
      51             : 
      52          15 :     fq.attach (pipe_);
      53          15 :     lb.attach (pipe_);
      54          15 : }
      55             : 
      56      601364 : int zmq::client_t::xsend (msg_t *msg_)
      57             : {
      58             :     //  CLIENT sockets do not allow multipart data (ZMQ_SNDMORE)
      59      601364 :     if (msg_->flags () & msg_t::more) {
      60           9 :         errno = EINVAL;
      61           9 :         return -1;
      62             :     }
      63      601355 :     return lb.sendpipe (msg_, NULL);
      64             : }
      65             : 
      66          15 : int zmq::client_t::xrecv (msg_t *msg_)
      67             : {
      68          15 :     int rc = fq.recvpipe (msg_, NULL);
      69             : 
      70             :     // Drop any messages with more flag
      71          30 :     while (rc == 0 && msg_->flags () & msg_t::more) {
      72             : 
      73             :         // drop all frames of the current multi-frame message
      74           0 :         rc = fq.recvpipe (msg_, NULL);
      75             : 
      76           0 :         while (rc == 0 && msg_->flags () & msg_t::more)
      77           0 :             rc = fq.recvpipe (msg_, NULL);
      78             : 
      79             :         // get the new message
      80           0 :         if (rc == 0)
      81           0 :             rc = fq.recvpipe (msg_, NULL);
      82             :     }
      83             : 
      84          15 :     return rc;
      85             : }
      86             : 
      87           0 : bool zmq::client_t::xhas_in ()
      88             : {
      89           0 :     return fq.has_in ();
      90             : }
      91             : 
      92           0 : bool zmq::client_t::xhas_out ()
      93             : {
      94           0 :     return lb.has_out ();
      95             : }
      96             : 
      97           0 : zmq::blob_t zmq::client_t::get_credential () const
      98             : {
      99           0 :     return fq.get_credential ();
     100             : }
     101             : 
     102           6 : void zmq::client_t::xread_activated (pipe_t *pipe_)
     103             : {
     104           6 :     fq.activated (pipe_);
     105           6 : }
     106             : 
     107         868 : void zmq::client_t::xwrite_activated (pipe_t *pipe_)
     108             : {
     109         868 :     lb.activated (pipe_);
     110         868 : }
     111             : 
     112          15 : void zmq::client_t::xpipe_terminated (pipe_t *pipe_)
     113             : {
     114          15 :     fq.pipe_terminated (pipe_);
     115          15 :     lb.pipe_terminated (pipe_);
     116          15 : }