X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/2807fde4fd1f59c230d69a934634c5dfb77905f2..66659ce0e491d1307cf48ec9f2da4f24c478ab46:/src/mc/remote/mc_protocol.h

diff --git a/src/mc/remote/mc_protocol.h b/src/mc/remote/mc_protocol.h
index 3aa610ac6e..c04acc1c03 100644
--- a/src/mc/remote/mc_protocol.h
+++ b/src/mc/remote/mc_protocol.h
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015-2017. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2015-2022. 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. */
@@ -6,47 +6,31 @@
 #ifndef SIMGRID_MC_PROTOCOL_H
 #define SIMGRID_MC_PROTOCOL_H
 
-#include <stdint.h>
-
-#include <xbt/base.h>
-
-#include "mc/datatypes.h"
-#include "simgrid/forward.h"
-
-SG_BEGIN_DECL()
-
 // ***** Environment variables for passing context to the model-checked process
 
-/** Environment variable name set by `simgrid-mc` to enable MC support in the
- *  children MC processes
- */
-#define MC_ENV_VARIABLE "SIMGRID_MC"
+#ifdef __cplusplus
 
-/** Environment variable name used to pass the communication socket */
-#define MC_ENV_SOCKET_FD "SIMGRID_MC_SOCKET_FD"
+#include "src/kernel/actor/SimcallObserver.hpp"
+
+#include "mc/datatypes.h"
+#include "simgrid/forward.h" // aid_t
+#include <array>
+#include <cstdint>
+#include <xbt/dynar.h>
+#include <xbt/mmalloc.h>
+#include <xbt/utility.hpp>
 
 // ***** Messages
+namespace simgrid::mc {
 
-enum e_mc_message_type {
-  MC_MESSAGE_NONE,
-  MC_MESSAGE_CONTINUE,
-  MC_MESSAGE_IGNORE_HEAP,
-  MC_MESSAGE_UNIGNORE_HEAP,
-  MC_MESSAGE_IGNORE_MEMORY,
-  MC_MESSAGE_STACK_REGION,
-  MC_MESSAGE_REGISTER_SYMBOL,
-  MC_MESSAGE_DEADLOCK_CHECK,
-  MC_MESSAGE_DEADLOCK_CHECK_REPLY,
-  MC_MESSAGE_WAITING,
-  MC_MESSAGE_SIMCALL_HANDLE,
-  MC_MESSAGE_ASSERTION_FAILED,
-  // MCer request to finish the restoration:
-  MC_MESSAGE_RESTORE,
-  MC_MESSAGE_ACTOR_ENABLED,
-  MC_MESSAGE_ACTOR_ENABLED_REPLY
-};
+XBT_DECLARE_ENUM_CLASS(MessageType, NONE, INITIAL_ADDRESSES, CONTINUE, IGNORE_HEAP, UNIGNORE_HEAP, IGNORE_MEMORY,
+                       STACK_REGION, REGISTER_SYMBOL, DEADLOCK_CHECK, DEADLOCK_CHECK_REPLY, WAITING, SIMCALL_EXECUTE,
+                       SIMCALL_EXECUTE_ANSWER, ASSERTION_FAILED, ACTOR_ENABLED, ACTOR_ENABLED_REPLY, FINALIZE);
+
+} // 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
  *
@@ -60,17 +44,24 @@ enum e_mc_message_type {
 
 /* Basic structure: all message start with a message type */
 struct s_mc_message_t {
-  enum e_mc_message_type type;
+  simgrid::mc::MessageType type;
 };
 
 struct s_mc_message_int_t {
-  enum e_mc_message_type type;
+  simgrid::mc::MessageType type;
   uint64_t value;
 };
 
 /* Client->Server */
+struct s_mc_message_initial_addresses_t {
+  simgrid::mc::MessageType type;
+  xbt_mheap_t mmalloc_default_mdp;
+  unsigned long* maxpid;
+  xbt_dynar_t actors;
+};
+
 struct s_mc_message_ignore_heap_t {
-  enum e_mc_message_type type;
+  simgrid::mc::MessageType type;
   int block;
   int fragment;
   void* address;
@@ -78,42 +69,43 @@ struct s_mc_message_ignore_heap_t {
 };
 
 struct s_mc_message_ignore_memory_t {
-  enum e_mc_message_type type;
+  simgrid::mc::MessageType type;
   uint64_t addr;
   size_t size;
 };
 
 struct s_mc_message_stack_region_t {
-  enum e_mc_message_type type;
+  simgrid::mc::MessageType type;
   s_stack_region_t stack_region;
 };
 
 struct s_mc_message_register_symbol_t {
-  enum e_mc_message_type type;
-  char name[128];
+  simgrid::mc::MessageType type;
+  std::array<char, 128> name;
   int (*callback)(void*);
   void* data;
 };
 
 /* Server -> client */
-struct s_mc_message_simcall_handle_t {
-  enum e_mc_message_type type;
-  unsigned long pid;
-  int value;
+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 {
-  enum e_mc_message_type type;
+  simgrid::mc::MessageType type;
   int index;
 };
 
 struct s_mc_message_actor_enabled_t {
-  enum e_mc_message_type type;
+  simgrid::mc::MessageType type;
   aid_t aid; // actor ID
 };
 
-XBT_PRIVATE const char* MC_message_type_name(enum e_mc_message_type type);
-
-SG_END_DECL()
-
+#endif // __cplusplus
 #endif