+ static xbt::signal<void(Link const&)> on_destruction;
+ xbt::signal<void(Link const&)> on_this_destruction;
+#endif
+
+public:
+ /* The signals */
+ /** \static @brief Add a callback fired when a new Link is created */
+ static void on_creation_cb(const std::function<void(Link&)>& cb) { on_creation.connect(cb); }
+ /** \static @brief Add a callback fired when any Link is turned on or off */
+ static void on_onoff_cb(const std::function<void(Link const&)>& cb)
+ {
+ on_onoff.connect(cb);
+ }
+ /** @brief Add a callback fired when this specific Link is turned on or off */
+ void on_this_onoff_cb(const std::function<void(Link const&)>& cb)
+ {
+ on_this_onoff.connect(cb);
+ }
+ /** \static @brief Add a callback fired when the bandwidth of any Link changes */
+ static void on_bandwidth_change_cb(const std::function<void(Link const&)>& cb) { on_bandwidth_change.connect(cb); }
+ /** @brief Add a callback fired when the bandwidth of this specific Link changes */
+ void on_this_bandwidth_change_cb(const std::function<void(Link const&)>& cb)
+ {
+ on_this_bandwidth_change.connect(cb);
+ }
+ /** \static @brief Add a callback fired when a communication changes it state (ready/done/cancel) */
+ static void on_communication_state_change_cb(
+ const std::function<void(kernel::resource::NetworkAction&, kernel::resource::Action::State)>& cb)
+ {
+ on_communication_state_change.connect(cb);
+ }
+ /** \static @brief Add a callback fired when any Link is destroyed */
+ static void on_destruction_cb(const std::function<void(Link const&)>& cb) { on_destruction.connect(cb); }
+ /** @brief Add a callback fired when this specific Link is destroyed */
+ void on_this_destruction_cb(const std::function<void(Link const&)>& cb)
+ {
+ on_this_destruction.connect(cb);
+ }
+
+ XBT_ATTRIB_DEPRECATED_v338("Please use on_onoff_cb() instead") static void on_state_change_cb(
+ const std::function<void(Link const&)>& cb)
+ {
+ on_onoff.connect(cb);
+ }
+};
+
+/**
+ * @beginrst
+ * A SplitDuplexLink encapsulates the :cpp:class:`links <simgrid::s4u::Link>` which
+ * compose a Split-Duplex link. Remember that a Split-Duplex link is nothing more than
+ * a pair of up/down links.
+ * @endrst
+ */
+class XBT_PUBLIC SplitDuplexLink : public Link {
+public:
+ explicit SplitDuplexLink(kernel::resource::LinkImpl* pimpl) : Link(pimpl) {}
+ /** @brief Get the link direction up*/
+ Link* get_link_up() const;
+ /** @brief Get the link direction down */
+ Link* get_link_down() const;
+
+ /** \static @brief Retrieve a link from its name */
+ static SplitDuplexLink* by_name(const std::string& name);