X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/fd52ffa61dfc8d90d4a042240a3e389f0b86ca98..d6eb772e45cc853fc204bb5aebeb411cdfa7c929:/src/mc/remote/mc_protocol.h

diff --git a/src/mc/remote/mc_protocol.h b/src/mc/remote/mc_protocol.h
index e620fc60a9..108128449a 100644
--- a/src/mc/remote/mc_protocol.h
+++ b/src/mc/remote/mc_protocol.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015-2020. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2015-2023. 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. */
@@ -8,43 +8,30 @@
 
 // ***** Environment variables for passing context to the model-checked process
 
-/** Environment variable name used to pass the communication socket.
- *
- * It is set by `simgrid-mc` to enable MC support in the children processes
- */
-#define MC_ENV_SOCKET_FD "SIMGRID_MC_SOCKET_FD"
-
 #ifdef __cplusplus
 
-#include "cstdint"
-#include "mc/datatypes.h"
+#include "src/kernel/actor/SimcallObserver.hpp"
+
 #include "simgrid/forward.h" // aid_t
+#include "src/mc/datatypes.h"
+#include "src/xbt/mmalloc/mmalloc.h"
+#include <xbt/utility.hpp>
+
+#include <array>
+#include <cstdint>
 
 // ***** Messages
-namespace simgrid {
-namespace mc {
-
-enum class MessageType {
-  NONE,
-  CONTINUE,
-  IGNORE_HEAP,
-  UNIGNORE_HEAP,
-  IGNORE_MEMORY,
-  STACK_REGION,
-  REGISTER_SYMBOL,
-  DEADLOCK_CHECK,
-  DEADLOCK_CHECK_REPLY,
-  WAITING,
-  SIMCALL_HANDLE,
-  ASSERTION_FAILED,
-  ACTOR_ENABLED,
-  ACTOR_ENABLED_REPLY
-};
+namespace simgrid::mc {
 
-} // namespace mc
-} // namespace simgrid
+XBT_DECLARE_ENUM_CLASS(MessageType, NONE, INITIAL_ADDRESSES, INITIAL_ADDRESSES_REPLY, CONTINUE, IGNORE_HEAP,
+                       UNIGNORE_HEAP, IGNORE_MEMORY, STACK_REGION, REGISTER_SYMBOL, DEADLOCK_CHECK,
+                       DEADLOCK_CHECK_REPLY, WAITING, SIMCALL_EXECUTE, SIMCALL_EXECUTE_ANSWER, ASSERTION_FAILED,
+                       ACTORS_STATUS, ACTORS_STATUS_REPLY, ACTORS_MAXPID, ACTORS_MAXPID_REPLY, FINALIZE,
+                       FINALIZE_REPLY);
+} // namespace simgrid::mc
 
-#define MC_MESSAGE_LENGTH 512
+constexpr unsigned MC_MESSAGE_LENGTH                 = 512;
+constexpr unsigned SIMCALL_SERIALIZATION_BUFFER_SIZE = 2048;
 
 /** Basic structure for a MC message
  *
@@ -88,16 +75,25 @@ struct s_mc_message_stack_region_t {
 
 struct s_mc_message_register_symbol_t {
   simgrid::mc::MessageType type;
-  char name[128];
+  std::array<char, 128> name;
   int (*callback)(void*);
   void* data;
 };
 
 /* Server -> client */
-struct s_mc_message_simcall_handle_t {
+struct s_mc_message_initial_addresses_reply_t {
   simgrid::mc::MessageType type;
-  unsigned long pid;
-  int value;
+  xbt_mheap_t mmalloc_default_mdp;
+};
+
+struct s_mc_message_simcall_execute_t {
+  simgrid::mc::MessageType type;
+  aid_t aid_;
+  int times_considered_;
+};
+struct s_mc_message_simcall_execute_answer_t {
+  simgrid::mc::MessageType type;
+  std::array<char, SIMCALL_SERIALIZATION_BUFFER_SIZE> buffer;
 };
 
 struct s_mc_message_restore_t {
@@ -105,12 +101,27 @@ struct s_mc_message_restore_t {
   int index;
 };
 
-struct s_mc_message_actor_enabled_t {
+struct s_mc_message_actors_status_answer_t {
   simgrid::mc::MessageType type;
-  aid_t aid; // actor ID
+  int count;
+  int transition_count; // The total number of transitions sent as a payload to the checker
+};
+struct s_mc_message_actors_status_one_t { // an array of `s_mc_message_actors_status_one_t[count]` is sent right after
+                                          // after a `s_mc_message_actors_status_answer_t`
+  aid_t aid;
+  bool enabled;
+  int max_considered;
+
+  // The total number of transitions that are serialized and associated with this actor.
+  // Enforced to be either `0` or the same as `max_considered`
+  int n_transitions;
 };
 
-XBT_PRIVATE const char* MC_message_type_name(simgrid::mc::MessageType type);
+// Answer from an actor to the question "what are you about to run?"
+struct s_mc_message_simcall_probe_one_t { // a series of `s_mc_message_simcall_probe_one_t`
+                                          // is sent right after `s_mc_message_actors_status_one_t[]`
+  std::array<char, SIMCALL_SERIALIZATION_BUFFER_SIZE> buffer;
+};
 
 #endif // __cplusplus
 #endif