Completed internal renaming of XREP/XREQ to ROUTER/DEALER

src/dealer.cpp

@@ -0,0 +1,128 @@
+/*
+    Copyright (c) 2009-2011 250bpm s.r.o.
+    Copyright (c) 2011 VMware, Inc.
+    Copyright (c) 2007-2011 Other contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ 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 "dealer.hpp"
+#include "err.hpp"
+#include "msg.hpp"
+
+zmq::dealer_t::dealer_t (class ctx_t *parent_, uint32_t tid_, int sid_) :
+    socket_base_t (parent_, tid_, sid_),
+    prefetched (false)
+{
+    options.type = ZMQ_DEALER;
+
+    //  TODO: Uncomment the following line when DEALER will become true DEALER
+    //  rather than generic dealer socket.
+    //  If the socket is closing we can drop all the outbound requests. There'll
+    //  be noone to receive the replies anyway.
+    //  options.delay_on_close = false;
+
+    options.send_identity = true;
+    options.recv_identity = true;
+
+    prefetched_msg.init ();
+}
+
+zmq::dealer_t::~dealer_t ()
+{
+    prefetched_msg.close ();
+}
+
+void zmq::dealer_t::xattach_pipe (pipe_t *pipe_, bool icanhasall_)
+{
+    zmq_assert (pipe_);
+    fq.attach (pipe_);
+    lb.attach (pipe_);
+}
+
+int zmq::dealer_t::xsend (msg_t *msg_, int flags_)
+{
+    return lb.send (msg_, flags_);
+}
+
+int zmq::dealer_t::xrecv (msg_t *msg_, int flags_)
+{
+    //  If there is a prefetched message, return it.
+    if (prefetched) {
+        int rc = msg_->move (prefetched_msg);
+        errno_assert (rc == 0);
+        prefetched = false;
+        return 0;
+    }
+
+    //  DEALER socket doesn't use identities. We can safely drop it and 
+    while (true) {
+        int rc = fq.recv (msg_, flags_);
+        if (rc != 0)
+            return rc;
+        if (likely (!(msg_->flags () & msg_t::identity)))
+            break;
+    }
+    return 0;
+}
+
+bool zmq::dealer_t::xhas_in ()
+{
+    //  We may already have a message pre-fetched.
+    if (prefetched)
+        return true;
+
+    //  Try to read the next message to the pre-fetch buffer.
+    int rc = dealer_t::xrecv (&prefetched_msg, ZMQ_DONTWAIT);
+    if (rc != 0 && errno == EAGAIN)
+        return false;
+    zmq_assert (rc == 0);
+    prefetched = true;
+    return true;
+}
+
+bool zmq::dealer_t::xhas_out ()
+{
+    return lb.has_out ();
+}
+
+void zmq::dealer_t::xread_activated (pipe_t *pipe_)
+{
+    fq.activated (pipe_);
+}
+
+void zmq::dealer_t::xwrite_activated (pipe_t *pipe_)
+{
+    lb.activated (pipe_);
+}
+
+void zmq::dealer_t::xterminated (pipe_t *pipe_)
+{
+    fq.terminated (pipe_);
+    lb.terminated (pipe_);
+}
+
+zmq::dealer_session_t::dealer_session_t (io_thread_t *io_thread_, bool connect_,
+      socket_base_t *socket_, const options_t &options_,
+      const address_t *addr_) :
+    session_base_t (io_thread_, connect_, socket_, options_, addr_)
+{
+}
+
+zmq::dealer_session_t::~dealer_session_t ()
+{
+}
+