From fdcaa6ea13f474a4e970f1a2265a281e3eb3d474 Mon Sep 17 00:00:00 2001
From: "Matthias P. Braendli" <matthias.braendli@mpb.li>
Date: Fri, 3 Jul 2015 07:59:58 +0200
Subject: update zmq.hpp to support zmq 4.1.x

---
 src/zmq.hpp | 42 +++++++++++++++++++++++++++++++++++++++---
 1 file changed, 39 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/zmq.hpp b/src/zmq.hpp
index 147f096..eb5416e 100644
--- a/src/zmq.hpp
+++ b/src/zmq.hpp
@@ -60,6 +60,15 @@
 #define ZMQ_NEW_MONITOR_EVENT_LAYOUT
 #endif
 
+#if ZMQ_VERSION >= ZMQ_MAKE_VERSION(4, 1, 0)
+#define ZMQ_HAS_PROXY_STEERABLE
+/*  Socket event data  */
+typedef struct {
+    uint16_t event;  // id of the event as bitfield
+    int32_t  value ; // value is either error code, fd or reconnect interval
+} zmq_event_t;
+#endif
+
 // In order to prevent unused variable warnings when building in non-debug
 // mode use this macro to make assertions.
 #ifndef NDEBUG
@@ -109,7 +118,16 @@ namespace zmq
         if (rc != 0)
             throw error_t ();
     }
-
+    
+#ifdef ZMQ_HAS_PROXY_STEERABLE
+    inline void proxy_steerable (void *frontend, void *backend, void *capture, void *control)
+    {
+        int rc = zmq_proxy_steerable (frontend, backend, capture, control);
+        if (rc != 0)
+            throw error_t ();
+    }
+#endif
+    
     inline void version (int *major_, int *minor_, int *patch_)
     {
         zmq_version (major_, minor_, patch_);
@@ -254,7 +272,7 @@ namespace zmq
         }
 
 
-        inline explicit context_t (int io_threads_)
+        inline explicit context_t (int io_threads_, int max_sockets_ = ZMQ_MAX_SOCKETS_DFLT)
         {
             ptr = zmq_ctx_new ();
             if (ptr == NULL)
@@ -262,6 +280,9 @@ namespace zmq
 
             int rc = zmq_ctx_set (ptr, ZMQ_IO_THREADS, io_threads_);
             ZMQ_ASSERT (rc == 0);
+
+            rc = zmq_ctx_set (ptr, ZMQ_MAX_SOCKETS, max_sockets_);
+            ZMQ_ASSERT (rc == 0);
         }
 
 #ifdef ZMQ_HAS_RVALUE_REFS
@@ -420,6 +441,13 @@ namespace zmq
             throw error_t ();
         }
 
+#ifdef ZMQ_HAS_RVALUE_REFS
+        inline bool send (message_t &&msg_, int flags_ = 0)
+        {
+            return send(msg_, flags_);
+        }
+#endif
+
         inline size_t recv (void *buf_, size_t len_, int flags_ = 0)
         {
             int nbytes = zmq_recv (ptr, buf_, len_, flags_);
@@ -476,7 +504,15 @@ namespace zmq
                 if (rc == -1 && zmq_errno() == ETERM)
                     break;
                 assert (rc != -1);
-                zmq_event_t* event = static_cast<zmq_event_t*>(zmq_msg_data (&eventMsg));
+#if ZMQ_VERSION_MAJOR >= 4
+                const char* data = static_cast<const char*>(zmq_msg_data(&eventMsg));
+                zmq_event_t msgEvent;
+                memcpy(&msgEvent.event, data, sizeof(uint16_t)); data += sizeof(uint16_t);
+                memcpy(&msgEvent.value, data, sizeof(int32_t));
+                zmq_event_t* event = &msgEvent;
+#else
+                zmq_event_t* event = static_cast<zmq_event_t*>(zmq_msg_data(&eventMsg));
+#endif
                 
 #ifdef ZMQ_NEW_MONITOR_EVENT_LAYOUT
                 zmq_msg_t addrMsg;
-- 
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