Merge commit 'e988fee1679536137b87d10e939eff5c1f27c8ab' as 'libs/libzmq'

libs/libzmq/src/client.cpp

@@ -0,0 +1,115 @@
+/*
+    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 "client.hpp"
+#include "err.hpp"
+#include "msg.hpp"
+
+zmq::client_t::client_t (class ctx_t *parent_, uint32_t tid_, int sid_) :
+    socket_base_t (parent_, tid_, sid_, true)
+{
+    options.type = ZMQ_CLIENT;
+    options.can_send_hello_msg = true;
+    options.can_recv_hiccup_msg = true;
+}
+
+zmq::client_t::~client_t ()
+{
+}
+
+void zmq::client_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_);
+    _lb.attach (pipe_);
+}
+
+int zmq::client_t::xsend (msg_t *msg_)
+{
+    //  CLIENT sockets do not allow multipart data (ZMQ_SNDMORE)
+    if (msg_->flags () & msg_t::more) {
+        errno = EINVAL;
+        return -1;
+    }
+    return _lb.sendpipe (msg_, NULL);
+}
+
+int zmq::client_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::client_t::xhas_in ()
+{
+    return _fq.has_in ();
+}
+
+bool zmq::client_t::xhas_out ()
+{
+    return _lb.has_out ();
+}
+
+void zmq::client_t::xread_activated (pipe_t *pipe_)
+{
+    _fq.activated (pipe_);
+}
+
+void zmq::client_t::xwrite_activated (pipe_t *pipe_)
+{
+    _lb.activated (pipe_);
+}
+
+void zmq::client_t::xpipe_terminated (pipe_t *pipe_)
+{
+    _fq.pipe_terminated (pipe_);
+    _lb.pipe_terminated (pipe_);
+}