implement client socket type and drop messages when more flag is set on client and server

src/client.cpp

@@ -0,0 +1,102 @@
+/*
+    Copyright (c) 2007-2015 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 "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_)
+{
+    options.type = ZMQ_CLIENT;
+}
+
+zmq::client_t::~client_t ()
+{
+}
+
+void zmq::client_t::xattach_pipe (pipe_t *pipe_, bool subscribe_to_all_)
+{
+    // subscribe_to_all_ is unused
+    (void) subscribe_to_all_;
+
+    zmq_assert (pipe_);    
+
+    fq.attach (pipe_);
+    lb.attach (pipe_);
+}
+
+int zmq::client_t::xsend (msg_t *msg_)
+{
+    zmq_assert(!(msg_->flags () & msg_t::more));
+
+    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 ();
+}
+
+zmq::blob_t zmq::client_t::get_credential () const
+{
+    return fq.get_credential ();
+}
+
+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_);
+}