libzmq/src/gather.cpp
Luca Boccassi da31917f4f Relicense from LGPL3 + exceptions to Mozilla Public License version 2.0
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Fixes https://github.com/zeromq/libzmq/issues/2376
2023-06-05 20:31:47 +01:00

65 lines
1.4 KiB
C++

/* SPDX-License-Identifier: MPL-2.0 */
#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_,
bool locally_initiated_)
{
LIBZMQ_UNUSED (subscribe_to_all_);
LIBZMQ_UNUSED (locally_initiated_);
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 ();
}