Code cleanup

src/dist.cpp

@@ -196,21 +196,11 @@ bool zmq::dist_t::write (pipe_t *pipe_, msg_t *msg_)
 
 bool zmq::dist_t::check_hwm ()
 {
-  //  If there are no matching pipes available, there is nothing to write.
-  bool pipes_hwm_ok = true;
-
-  if (matching == 0) {
-      return true;
-  }
-
-  for (pipes_t::size_type i = 0; i < matching; ++i) {
-    if( !pipes [i] -> check_hwm()) {
-      pipes_hwm_ok = false;
-      break;
-    }
-  }
+    for (pipes_t::size_type i = 0; i < matching; ++i)
+        if (!pipes [i]->check_hwm ())
+            return false;
 
-  return pipes_hwm_ok;
+    return true;
 }
 
 

src/options.cpp

@@ -409,7 +409,7 @@ int zmq::options_t::setsockopt (int option_, const void *optval_,
             }
             break;
 #       endif
- 
+
         case ZMQ_CONFLATE:
             if (is_int && (value == 0 || value == 1)) {
                 conflate = (value != 0);
@@ -458,12 +458,6 @@ int zmq::options_t::setsockopt (int option_, const void *optval_,
                 return 0;
             }
             break;
-        case ZMQ_XPUB_NODROP:
-            {
-                pub_nodrop = true;
-                return 0;
-            }
-            break;
 
         default:
 #if defined (ZMQ_ACT_MILITANT)
@@ -558,7 +552,7 @@ int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_)
                 return 0;
             }
             break;
-            
+
         case ZMQ_TYPE:
             if (is_int) {
                 *value = type;
@@ -770,7 +764,7 @@ int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_)
                 return 0;
             }
             break;
- 
+
         //  If libgssapi isn't installed, these options provoke EINVAL
 #       ifdef HAVE_LIBGSSAPI_KRB5
         case ZMQ_GSSAPI_SERVER:
@@ -811,12 +805,6 @@ int zmq::options_t::getsockopt (int option_, void *optval_, size_t *optvallen_)
             }
             break;
 
-        case ZMQ_XPUB_NODROP:
-            if( is_int) {
-                *value = pub_nodrop;
-                return 0;
-            }    
-            break;
         default:
 #if defined (ZMQ_ACT_MILITANT)
             malformed = false;

src/options.hpp

@@ -179,9 +179,6 @@ namespace zmq
         //  close socket.  Default is 30 secs.  0 means no handshake timeout.
         int handshake_ivl;
 
-        //  flag if PUB socket should not drop messages if reaching HWM
-        bool pub_nodrop;
-
     };
 }
 

src/pipe.cpp

@@ -501,7 +501,7 @@ void zmq::pipe_t::set_hwms (int inhwm_, int outhwm_)
     hwm = outhwm_;
 }
 
-bool zmq::pipe_t::check_hwm ()
+bool zmq::pipe_t::check_hwm () const
 {
     bool full = hwm > 0 && msgs_written - peers_msgs_read >= uint64_t (hwm - 1);
     return( !full );

src/pipe.hpp

@@ -69,7 +69,7 @@ namespace zmq
         //  This allows pipepair to create pipe objects.
         friend int pipepair (zmq::object_t *parents_ [2], zmq::pipe_t* pipes_ [2],
             int hwms_ [2], bool conflate_ [2]);
-            
+
     public:
 
         //  Specifies the object to send events to.
@@ -105,7 +105,7 @@ namespace zmq
         //  all the messages on the fly. Causes 'hiccuped' event to be generated
         //  in the peer.
         void hiccup ();
-        
+
         // Ensure the pipe wont block on receiving pipe_term.
         void set_nodelay ();
 
@@ -119,7 +119,7 @@ namespace zmq
         void set_hwms (int inhwm_, int outhwm_);
 
         // check HWM
-        bool check_hwm ();
+        bool check_hwm () const;
         // provide a way to link pipe to engine fd. Set on session initialization
         fd_t assoc_fd; //=retired_fd
     private:

src/xpub.cpp

@@ -98,14 +98,10 @@ int zmq::xpub_t::xsetsockopt (int option_, const void *optval_,
         errno = EINVAL;
         return -1;
     }
-    if (option_ == ZMQ_XPUB_VERBOSE) {
+    if (option_ == ZMQ_XPUB_VERBOSE)
         verbose = (*static_cast <const int*> (optval_) != 0);
-    } else if (option_ == ZMQ_XPUB_NODROP) {
+    else
         nodrop = (*static_cast <const int*> (optval_) != 0);
-    }
-    else {
-        return -1;
-    }
 
     return 0;
 }
@@ -135,10 +131,8 @@ int zmq::xpub_t::xsend (msg_t *msg_)
         subscriptions.match ((unsigned char*) msg_->data (), msg_->size (),
             mark_as_matching, this);
 
-    if (nodrop && !dist.check_hwm()) {
+    if (nodrop && !dist.check_hwm ())
       return EAGAIN;
-    }
-
 
     //  Send the message to all the pipes that were marked as matching
     //  in the previous step.
@@ -163,7 +157,7 @@ bool zmq::xpub_t::xhas_out ()
 
 int zmq::xpub_t::xrecv (msg_t *msg_)
 {
-    //  If there is at least one 
+    //  If there is at least one
     if (pending_data.empty ()) {
         errno = EAGAIN;
         return -1;