libzmq/src/gather.cpp

94 lines
2.7 KiB
C++
Raw Normal View History

2016-04-21 12:23:44 +02:00
/*
Copyright (c) 2007-2016 Contributors as noted in the AUTHORS file
This file is part of libzmq, the ZeroMQ core engine in C++.
libzmq is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
As a special exception, the Contributors give you permission to link
this library with independent modules to produce an executable,
regardless of the license terms of these independent modules, and to
copy and distribute the resulting executable under terms of your choice,
provided that you also meet, for each linked independent module, the
terms and conditions of the license of that module. An independent
module is a module which is not derived from or based on this library.
If you modify this library, you must extend this exception to your
version of the library.
libzmq 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 GNU Lesser General Public
License for more details.
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 "precompiled.hpp"
#include "macros.hpp"
#include "gather.hpp"
#include "err.hpp"
#include "msg.hpp"
#include "pipe.hpp"
zmq::gather_t::gather_t (class ctx_t *parent_, uint32_t tid_, int sid_) :
socket_base_t (parent_, tid_, sid_, true)
{
options.type = ZMQ_GATHER;
}
zmq::gather_t::~gather_t ()
{
}
void zmq::gather_t::xattach_pipe (pipe_t *pipe_, bool subscribe_to_all_)
{
LIBZMQ_UNUSED (subscribe_to_all_);
zmq_assert (pipe_);
fq.attach (pipe_);
}
void zmq::gather_t::xread_activated (pipe_t *pipe_)
{
fq.activated (pipe_);
}
void zmq::gather_t::xpipe_terminated (pipe_t *pipe_)
{
fq.pipe_terminated (pipe_);
}
int zmq::gather_t::xrecv (msg_t *msg_)
{
int rc = fq.recvpipe (msg_, NULL);
// Drop any messages with more flag
while (rc == 0 && msg_->flags () & msg_t::more) {
// drop all frames of the current multi-frame message
rc = fq.recvpipe (msg_, NULL);
while (rc == 0 && msg_->flags () & msg_t::more)
rc = fq.recvpipe (msg_, NULL);
// get the new message
if (rc == 0)
rc = fq.recvpipe (msg_, NULL);
}
return rc;
}
bool zmq::gather_t::xhas_in ()
{
return fq.has_in ();
}
const zmq::blob_t &zmq::gather_t::get_credential () const
2016-04-21 12:23:44 +02:00
{
return fq.get_credential ();
}