1 /* Copyright (c) 2016-2022. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SIMGRID_MC_CHECKER_HPP
7 #define SIMGRID_MC_CHECKER_HPP
9 #include "simgrid/forward.h"
10 #include "src/mc/api/RemoteApp.hpp"
11 #include "src/mc/mc_record.hpp"
12 #include <xbt/Extendable.hpp>
16 namespace simgrid::mc {
18 /** A model-checking exploration algorithm
20 * This is an abstract base class used to group the data, state, configuration
21 * of a model-checking algorithm.
23 * Implementing this interface will probably not be really mandatory,
24 * you might be able to write your model-checking algorithm as plain
25 * imperative code instead.
27 * It is expected to interact with the model-checked application through the
28 * `RemoteApp` interface (that is currently not perfectly sufficient to that extend). */
30 class Exploration : public xbt::Extendable<Exploration> {
31 std::unique_ptr<RemoteApp> remote_app_;
34 explicit Exploration(const std::vector<char*>& args);
37 Exploration(Exploration const&) = delete;
38 Exploration& operator=(Exploration const&) = delete;
40 virtual ~Exploration() = default;
42 /** Main function of this algorithm */
43 virtual void run() = 0;
45 /* These methods are callbacks called by the model-checking engine
46 * to get and display information about the current state of the
47 * model-checking algorithm: */
49 /** Show the current trace/stack
51 * Could this be handled in the Session/ModelChecker instead? */
52 virtual RecordTrace get_record_trace() = 0;
54 /** Generate a textual execution trace of the simulated application */
55 virtual std::vector<std::string> get_textual_trace() = 0;
57 /** Log additional information about the state of the model-checker */
58 virtual void log_state();
60 RemoteApp& get_remote_app() { return *remote_app_.get(); }
63 // External constructors so that the types (and the types of their content) remain hidden
64 XBT_PUBLIC Exploration* create_liveness_checker(const std::vector<char*>& args);
65 XBT_PUBLIC Exploration* create_dfs_exploration(const std::vector<char*>& args);
66 XBT_PUBLIC Exploration* create_communication_determinism_checker(const std::vector<char*>& args);
67 XBT_PUBLIC Exploration* create_udpor_checker(const std::vector<char*>& args);
69 // FIXME: kill this template and use lambdas in boost::range_equal
70 struct DerefAndCompareByActorsCountAndUsedHeap {
71 template <class X, class Y> bool operator()(X const& a, Y const& b) const
73 return std::make_pair(a->actor_count_, a->heap_bytes_used) < std::make_pair(b->actor_count_, b->heap_bytes_used);
76 static inline DerefAndCompareByActorsCountAndUsedHeap compare_pair_by_actor_count_and_used_heap()
78 return DerefAndCompareByActorsCountAndUsedHeap();
81 } // namespace simgrid::mc