Activity refactoring

[simgrid.git] / src / kernel / activity / CommImpl.hpp

diff --git a/src/kernel/activity/CommImpl.hpp b/src/kernel/activity/CommImpl.hpp
index 9321faf..a71052f 100644 (file)
--- a/src/kernel/activity/CommImpl.hpp
+++ b/src/kernel/activity/CommImpl.hpp
@@ -1,4 +1,4 @@
-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved.          */
 
 /* This program is free software; you can redistribute it and/or modify it
  * under the terms of the license (GNU LGPL) which comes with this package. */
@@ -8,8 +8,6 @@
 
 #include "src/kernel/activity/ActivityImpl.hpp"
 #include "src/kernel/actor/ActorImpl.hpp"
-#include "surf/surf.hpp"
-
 
 namespace simgrid {
 namespace kernel {
@@ -17,18 +15,26 @@ namespace activity {
 
 class XBT_PUBLIC CommImpl : public ActivityImpl_T<CommImpl> {
   ~CommImpl() override;
-  void cleanupSurf();
+  void cleanup_surf();
+
+  static void (*copy_data_callback_)(CommImpl*, void*, size_t);
 
   double rate_       = 0.0;
   double size_       = 0.0;
   bool detached_     = false;   /* If detached or not */
   bool copied_       = false;   /* whether the data were already copied */
   MailboxImpl* mbox_ = nullptr; /* Rendez-vous where the comm is queued */
+  s4u::Host* from_   = nullptr; /* Pre-determined only for direct host-to-host communications */
+  s4u::Host* to_     = nullptr; /* Otherwise, computed at start() time from the actors */
 
 public:
-  enum class Type { SEND = 0, RECEIVE, READY, DONE };
+  enum class Type { SEND, RECEIVE };
+
+  static void set_copy_data_callback(void (*callback)(CommImpl*, void*, size_t));
+
+  explicit CommImpl(Type type) : type_(type) {}
+  CommImpl(s4u::Host* from, s4u::Host* to, double bytes);
 
-  CommImpl& set_type(CommImpl::Type type);
   CommImpl& set_size(double size);
   CommImpl& set_src_buff(unsigned char* buff, size_t size);
   CommImpl& set_dst_buff(unsigned char* buff, size_t* size);
@@ -40,16 +46,23 @@ public:
   MailboxImpl* get_mailbox() const { return mbox_; }
   bool detached() const { return detached_; }
 
+  std::vector<s4u::Link*> get_traversed_links() const;
   void copy_data();
 
+  bool test() override;
+  void wait_for(actor::ActorImpl* issuer, double timeout) override;
+  static ssize_t test_any(const actor::ActorImpl* issuer, const std::vector<CommImpl*>& comms);
+  static void wait_any_for(actor::ActorImpl* issuer, const std::vector<CommImpl*>& comms, double timeout);
+
   CommImpl* start();
   void suspend() override;
   void resume() override;
   void cancel() override;
   void post() override;
+  void set_exception(actor::ActorImpl* issuer) override;
   void finish() override;
 
-  CommImpl::Type type_;        /* Type of the communication (SIMIX_COMM_SEND or SIMIX_COMM_RECEIVE) */
+  const Type type_ = Type::SEND; /* Type of the communication (SEND or RECEIVE) */
 
 #if SIMGRID_HAVE_MC
   MailboxImpl* mbox_cpy = nullptr; /* Copy of the rendez-vous where the comm is queued, MC needs it for DPOR
@@ -58,7 +71,7 @@ public:
 #endif
 
   void (*clean_fun)(void*) = nullptr; /* Function to clean the detached src_buf if something goes wrong */
-  int (*match_fun)(void*, void*, CommImpl*) = nullptr; /* Filter function used by the other side. It is used when
+  bool (*match_fun)(void*, void*, CommImpl*) = nullptr; /* Filter function used by the other side. It is used when
 looking if a given communication matches my needs. For that, myself must match the
 expectations of the other side, too. See  */
   void (*copy_data_fun)(CommImpl*, void*, size_t) = nullptr;
@@ -69,7 +82,7 @@ expectations of the other side, too. See  */
   actor::ActorImplPtr src_actor_ = nullptr;
   actor::ActorImplPtr dst_actor_ = nullptr;
 
-  /* Data to be transfered */
+  /* Data to be transferred */
   unsigned char* src_buff_ = nullptr;
   unsigned char* dst_buff_ = nullptr;
   size_t src_buff_size_    = 0;
@@ -77,6 +90,8 @@ expectations of the other side, too. See  */
 
   void* src_data_ = nullptr; /* User data associated to the communication */
   void* dst_data_ = nullptr;
+  static xbt::signal<void(CommImpl const&)> on_start;
+  static xbt::signal<void(CommImpl const&)> on_completion;
 };
 } // namespace activity
 } // namespace kernel