-/* Copyright (c) 2008-2019. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2008-2023. 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. */
-#include "src/mc/ModelChecker.hpp"
-#include "src/mc/mc_ignore.hpp"
+#include "simgrid/simix.hpp"
+#include "src/kernel/actor/ActorImpl.hpp"
+#include "src/mc/mc_config.hpp"
#include "src/mc/mc_private.hpp"
#include "src/mc/mc_record.hpp"
#include "src/mc/mc_replay.hpp"
-#include "src/mc/remote/Client.hpp"
+#include "src/mc/remote/AppSide.hpp"
#include "xbt/asserts.h"
+#include "xbt/random.hpp"
-/** @file mc_client_api.cpp
- *
- * This is the implementation of the API used by the user simulated program to
- * communicate with the MC (declared in modelchecker.h).
- */
+using namespace simgrid::mc;
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_client_api, mc,
- "Public API for the model-checked application");
+/* Implementation of the user API from the App to the Checker (see modelchecker.h) */
-// MC_random() is in mc_base.cpp
+int MC_random(int min, int max)
+{
+ xbt_assert(get_model_checking_mode() != ModelCheckingMode::CHECKER_SIDE,
+ "This should be called from the client side");
+
+ if (not MC_is_active() && not MC_record_replay_is_active()) { // no need to do a simcall in this case
+ static simgrid::xbt::random::XbtRandom prng;
+ return prng.uniform_int(min, max);
+ }
+ simgrid::kernel::actor::RandomSimcall observer{simgrid::kernel::actor::ActorImpl::self(), min, max};
+ return simgrid::kernel::actor::simcall_answered([&observer] { return observer.get_value(); }, &observer);
+}
void MC_assert(int prop)
{
- xbt_assert(mc_model_checker == nullptr);
+ // Cannot used xbt_assert here, or it would be an infinite recursion.
+ xbt_assert(get_model_checking_mode() != ModelCheckingMode::CHECKER_SIDE,
+ "This should be called from the client side");
+#if SIMGRID_HAVE_MC
if (not prop) {
if (MC_is_active())
- simgrid::mc::Client::get()->report_assertion_failure();
+ AppSide::get()->report_assertion_failure();
if (MC_record_replay_is_active())
xbt_die("MC assertion failed");
}
+#else
+ if (not prop)
+ xbt_die("Safety property violation detected without the model-checker");
+#endif
}
-void MC_cut()
-{
- xbt_assert(mc_model_checker == nullptr);
- if (not MC_is_active())
- return;
- // FIXME, We want to do this in the model-checker:
- xbt_die("MC_cut() not implemented");
-}
-
-void MC_ignore(void* addr, size_t size)
-{
- xbt_assert(mc_model_checker == nullptr);
- if (not MC_is_active())
- return;
- simgrid::mc::Client::get()->ignore_memory(addr, size);
-}
-
-void MC_automaton_new_propositional_symbol(const char* /*id*/, int (*/*fct*/)())
-{
- xbt_assert(mc_model_checker == nullptr);
- if (not MC_is_active())
- return;
- xbt_die("Support for client-side function proposition is not implemented: "
- "use MC_automaton_new_propositional_symbol_pointer instead.");
-}
-
-void MC_automaton_new_propositional_symbol_pointer(const char *name, int* value)
-{
- xbt_assert(mc_model_checker == nullptr);
- if (not MC_is_active())
- return;
- simgrid::mc::Client::get()->declare_symbol(name, value);
-}
-
-/** @brief Register a stack in the model checker
- *
- * The stacks are allocated in the heap. The MC handle them specifically
- * when we analyze/compare the content of the heap so it must be told where
- * they are with this function.
- *
- * @param stack Where the stack is
- * @param actor Actor owning the stack
- * @param context The context associated to that stack
- * @param size Size of the stack
- */
-void MC_register_stack_area(void* stack, ucontext_t* context, size_t size)
-{
- xbt_assert(mc_model_checker == nullptr);
- if (not MC_is_active())
- return;
- simgrid::mc::Client::get()->declare_stack(stack, size, context);
-}
-
-void MC_ignore_global_variable(const char* /*name*/)
-{
- xbt_assert(mc_model_checker == nullptr);
- if (not MC_is_active())
- return;
- // TODO, send a message to the model_checker
- xbt_die("Unimplemented");
-}
-
-void MC_ignore_heap(void *address, size_t size)
-{
- xbt_assert(mc_model_checker == nullptr);
- if (not MC_is_active())
- return;
- simgrid::mc::Client::get()->ignore_heap(address, size);
-}
-
-void MC_unignore_heap(void* address, size_t size)
+int MC_is_active()
{
- xbt_assert(mc_model_checker == nullptr);
- if (not MC_is_active())
- return;
- simgrid::mc::Client::get()->unignore_heap(address, size);
+ return get_model_checking_mode() == ModelCheckingMode::APP_SIDE ||
+ get_model_checking_mode() == ModelCheckingMode::CHECKER_SIDE;
}
