-/* Copyright (c) 2007-2014. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2007-2023. 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. */
-
-#ifndef MC_MODEL_CHECKER_H
-#define MC_MODEL_CHECKER_H
-#include <sys/types.h>
+#ifndef SIMGRID_MC_MODEL_CHECKER_HPP
+#define SIMGRID_MC_MODEL_CHECKER_HPP
-#include <simgrid_config.h>
-#include <xbt/dynar.h>
+#include "src/mc/remote/CheckerSide.hpp"
+#include "src/mc/remote/RemotePtr.hpp"
+#include "src/mc/sosp/PageStore.hpp"
+#include "xbt/base.h"
-#include "mc_forward.h"
-#include "mc_process.h"
-#include "mc_page_store.h"
-#include "mc_protocol.h"
+#include <memory>
-namespace simgrid {
-namespace mc {
+namespace simgrid::mc {
/** State of the model-checker (global variables for the model checker)
- *
- * Each part of the state of the model chercker represented as a global
- * variable prevents some sharing between snapshots and must be ignored.
- * By moving as much state as possible in this structure allocated
- * on the model-checker heap, we avoid those issues.
*/
class ModelChecker {
- // This is the parent snapshot of the current state:
- mc_pages_store_t page_store_;
- int fd_clear_refs_;
- xbt_dynar_t record_;
- s_mc_process_t process_;
- /** String pool for host names */
- // TODO, use std::unordered_set with heterogeneous comparison lookup (C++14)
- xbt_dict_t /* <hostname, NULL> */ hostnames_;
+ CheckerSide checker_side_;
+ std::unique_ptr<RemoteProcessMemory> remote_process_memory_;
+ Exploration* exploration_ = nullptr;
+
public:
ModelChecker(ModelChecker const&) = delete;
ModelChecker& operator=(ModelChecker const&) = delete;
- ModelChecker(pid_t pid, int socket);
- ~ModelChecker();
- s_mc_process_t& process()
- {
- return process_;
- }
- s_mc_pages_store_t& page_store()
- {
- return *page_store_;
- }
- const char* get_host_name(const char* name);
+ explicit ModelChecker(std::unique_ptr<RemoteProcessMemory> remote_simulation, int sockfd);
+
+ RemoteProcessMemory& get_remote_process_memory() { return *remote_process_memory_; }
+ Channel& get_channel() { return checker_side_.get_channel(); }
+ void channel_handle_events() { checker_side_.dispatch(); }
+
+ void start();
+
+ /** Let the application take a transition. A new Transition is created iff the last parameter is true */
+ Transition* handle_simcall(aid_t aid, int times_considered, bool new_transition);
+
+ Exploration* get_exploration() const { return exploration_; }
+ void set_exploration(Exploration* exploration) { exploration_ = exploration; }
+
+private:
+ bool handle_message(const char* buffer, ssize_t size);
+ void handle_waitpid();
};
-}
-}
+} // namespace simgrid::mc
#endif
