-/* Copyright (c) 2008-2015. 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 <xbt/log.h>
-#include <xbt/fifo.h>
-#include <xbt/sysdep.h>
-#include <simgrid/modelchecker.h>
+#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/AppSide.hpp"
+#include "xbt/asserts.h"
+#include "xbt/random.hpp"
-#include "mc_record.h"
-#include "mc_private.h"
-#include "mc_mmalloc.h"
-#include "mc_ignore.h"
-#include "mc_protocol.h"
-#include "mc_client.h"
-#include "ModelChecker.hpp"
+using namespace simgrid::mc;
-extern "C" {
+/* Implementation of the user API from the App to the Checker (see modelchecker.h) */
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_client_api, mc,
- "Public API for the model-checked application");
-
-void MC_assert(int prop)
-{
- if (MC_is_active() && !prop) {
- MC_client_send_simple_message(MC_MESSAGE_ASSERTION_FAILED);
- MC_client_handle_messages();
- }
-}
-
-// TODO, MC_automaton_new_propositional_symbol
-
-void *MC_snapshot(void)
-{
- return simcall_mc_snapshot();
-}
-
-int simcall_HANDLER_mc_compare_snapshots(smx_simcall_t simcall,
- mc_snapshot_t s1, mc_snapshot_t s2)
+int MC_random(int min, int max)
{
- return snapshot_compare(s1, s2);
-}
-
-int MC_compare_snapshots(void *s1, void *s2)
-{
- return simcall_mc_compare_snapshots(s1, s2);
-}
+ xbt_assert(get_model_checking_mode() != ModelCheckingMode::CHECKER_SIDE,
+ "This should be called from the client side");
-void MC_cut(void)
-{
- user_max_depth_reached = 1;
+ 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_ignore(void* addr, size_t size)
+void MC_assert(int prop)
{
- if (mc_mode == MC_MODE_CLIENT) {
- s_mc_ignore_memory_message_t message;
- message.type = MC_MESSAGE_IGNORE_MEMORY;
- message.addr = addr;
- message.size = size;
- MC_client_send_message(&message, sizeof(message));
+ // 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())
+ 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
}
+int MC_is_active()
+{
+ return get_model_checking_mode() == ModelCheckingMode::APP_SIDE ||
+ get_model_checking_mode() == ModelCheckingMode::CHECKER_SIDE;
}
