Multi-hop REQ/REP, part I., socket type is known to all associated objects

src/downstream.cpp

@@ -26,6 +26,7 @@
 zmq::downstream_t::downstream_t (class app_thread_t *parent_) :
     socket_base_t (parent_)
 {
+    options.type = ZMQ_DOWNSTREAM;
     options.requires_in = false;
     options.requires_out = true;
 }

src/options.cpp

@@ -23,6 +23,7 @@
 #include "err.hpp"
 
 zmq::options_t::options_t () :
+    type (-1),
     hwm (0),
     lwm (0),
     swap (0),

src/options.hpp

@@ -34,6 +34,9 @@ namespace zmq
 
         int setsockopt (int option_, const void *optval_, size_t optvallen_);
 
+        //  Type of the associated socket. One of the constants defined in zmq.h
+        int type;
+
         int64_t hwm;
         int64_t lwm;
         int64_t swap;

src/p2p.cpp

@@ -29,6 +29,7 @@ zmq::p2p_t::p2p_t (class app_thread_t *parent_) :
     outpipe (NULL),
     alive (true)
 {
+    options.type = ZMQ_P2P;
     options.requires_in = true;
     options.requires_out = true;
 }

src/pub.cpp

@@ -27,6 +27,7 @@
 zmq::pub_t::pub_t (class app_thread_t *parent_) :
     socket_base_t (parent_)
 {
+    options.type = ZMQ_PUB;
     options.requires_in = false;
     options.requires_out = true;
 }

src/rep.cpp

@@ -30,6 +30,7 @@ zmq::rep_t::rep_t (class app_thread_t *parent_) :
     waiting_for_reply (false),
     reply_pipe (NULL)
 {
+    options.type = ZMQ_REP;
     options.requires_in = true;
     options.requires_out = true;
 }

src/req.cpp

@@ -30,6 +30,7 @@ zmq::req_t::req_t (class app_thread_t *parent_) :
     reply_pipe_active (false),
     reply_pipe (NULL)
 {
+    options.type = ZMQ_REQ;
     options.requires_in = true;
     options.requires_out = true;
 }

src/sub.cpp

@@ -28,6 +28,7 @@ zmq::sub_t::sub_t (class app_thread_t *parent_) :
     socket_base_t (parent_),
     has_message (false)
 {
+    options.type = ZMQ_SUB;
     options.requires_in = true;
     options.requires_out = false;
     zmq_msg_init (&message);

src/upstream.cpp

@@ -25,6 +25,7 @@
 zmq::upstream_t::upstream_t (class app_thread_t *parent_) :
     socket_base_t (parent_)
 {
+    options.type = ZMQ_UPSTREAM;
     options.requires_in = true;
     options.requires_out = false;
 }

src/xrep.cpp

@@ -25,6 +25,7 @@
 zmq::xrep_t::xrep_t (class app_thread_t *parent_) :
     socket_base_t (parent_)
 {
+    options.type = ZMQ_XREP;
     options.requires_in = true;
     options.requires_out = true;
 }

src/xreq.cpp

@@ -25,6 +25,7 @@
 zmq::xreq_t::xreq_t (class app_thread_t *parent_) :
     socket_base_t (parent_)
 {
+    options.type = ZMQ_REQ;
     options.requires_in = true;
     options.requires_out = true;
 }