X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/74feb4bb13c3e42871675a3dc48915309696e866..631a1a4d6e53de81ba76fbbd1e63bd07174c0f10:/include/simgrid/s4u/Link.hpp

diff --git a/include/simgrid/s4u/Link.hpp b/include/simgrid/s4u/Link.hpp
index 05a3636368..de05738704 100644
--- a/include/simgrid/s4u/Link.hpp
+++ b/include/simgrid/s4u/Link.hpp
@@ -6,26 +6,26 @@
 #ifndef S4U_LINK_HPP_
 #define S4U_LINK_HPP_
 
+#include <simgrid/link.h>
 #include <xbt/base.h>
+#include <xbt/signal.hpp>
 
 #include <unordered_map>
 
-#include "xbt/dict.h"
-#include "xbt/fifo.h"
-
-#include "simgrid/link.h"
-
 /***********
  * Classes *
  ***********/
 
 namespace simgrid {
+namespace surf {
+class NetworkAction;
+};
 namespace s4u {
 /** @brief A Link represents the network facilities between [hosts](\ref simgrid::s4u::Host) */
-class Link {
+XBT_PUBLIC_CLASS Link
+{
   friend simgrid::surf::LinkImpl;
 
-private:
   // Links are created from the NetZone, and destroyed by their private implementation when the simulation ends
   explicit Link(surf::LinkImpl* pimpl) : pimpl_(pimpl) {}
   virtual ~Link() = default;
@@ -64,6 +64,22 @@ public:
                                                   external load). Trace must contain percentages (value between 0 and 1). */
   void setLatencyTrace(tmgr_trace_t trace); /*< setup the trace file with latency events (peak latency changes due to
                                                external load). Trace must contain absolute values */
+
+  /* The signals */
+  /** @brief Callback signal fired when a new Link is created */
+  static simgrid::xbt::signal<void(s4u::Link&)> onCreation;
+
+  /** @brief Callback signal fired when a Link is destroyed */
+  static simgrid::xbt::signal<void(s4u::Link&)> onDestruction;
+
+  /** @brief Callback signal fired when the state of a Link changes (when it is turned on or off) */
+  static simgrid::xbt::signal<void(s4u::Link&)> onStateChange;
+
+  /** @brief Callback signal fired when a communication starts */
+  static simgrid::xbt::signal<void(surf::NetworkAction*, s4u::Host* src, s4u::Host* dst)> onCommunicate;
+
+  /** @brief Callback signal fired when a communication changes it state (ready/done/cancel) */
+  static simgrid::xbt::signal<void(surf::NetworkAction*)> onCommunicationStateChange;
 };
 }
 }