added margo_registered_disabled_respone and margo_is_listening

include/margo.h

@@ -115,6 +115,16 @@ void margo_finalize(
 void margo_wait_for_finalize(
     margo_instance_id mid);
 
+/**
+ * Checks whether a Margo instance we initialized as a server.
+ *
+ * @param [in] mid Margo instance
+ *
+ * @return HG_TRUE if listening or HG_FALSE if not, or not a valid margo instance.
+ */
+hg_bool_t margo_is_listening(
+    margo_instance_id mid);
+
 /**
  * Installs a callback to be called before the margo instance is finalize.
  * Callbacks installed will be called in reverse ordered than they have been
@@ -291,6 +301,20 @@ hg_return_t margo_registered_disable_response(
     hg_id_t id,
     int disable_flag);
 
+/**
+ * Checks if response is disabled for a given RPC ID.
+ *
+ * @param [in] mid           Margo instance
+ * @param [in] id            registered function ID
+ * @param [ou] disabled_flag flag indicating whether response is disabled (1) or not (0)
+ *
+ * @return HG_SUCCESS or corresponding HG error code
+ */
+hg_return_t margo_registered_disabled_response(
+    margo_instance_id mid,
+    hg_id_t id,
+    int* disabled_flag);
+
 /**
  * Lookup an addr from a peer address/name.
  * \param [in] name     lookup name

src/margo.c

@@ -486,6 +486,13 @@ void margo_wait_for_finalize(margo_instance_id mid)
     return;
 }
 
+hg_bool_t margo_is_listening(
+            margo_instance_id mid)
+{
+    if(!mid) return HG_FALSE;
+    return HG_Class_is_listening(mid->hg_class);
+}
+
 void margo_push_finalize_callback(
             margo_instance_id mid,
             void(*cb)(void*),                  
@@ -613,6 +620,18 @@ hg_return_t margo_registered_disable_response(
     return(HG_Registered_disable_response(mid->hg_class, id, disable_flag));
 }
 
+hg_return_t margo_registered_disabled_response(
+    margo_instance_id mid,
+    hg_id_t id,
+    int* disabled_flag)
+{
+    hg_bool_t b;
+    hg_return_t ret = HG_Registered_disabled_response(mid->hg_class, id, &b);
+    if(ret != HG_SUCCESS) return ret;
+    *disabled_flag = b;
+    return HG_SUCCESS;
+}
+
 struct lookup_cb_evt
 {
     hg_return_t hret;