X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/ce2e676ad127f782b9c959499ab1c042195e411a..c5a0e326db7483bc9e3caadb7dac5ecfb7d73946:/src/mc/ModelChecker.hpp

diff --git a/src/mc/ModelChecker.hpp b/src/mc/ModelChecker.hpp
index 274ace7d3d..362ca9b427 100644
--- a/src/mc/ModelChecker.hpp
+++ b/src/mc/ModelChecker.hpp
@@ -1,5 +1,4 @@
-/* Copyright (c) 2007-2015. 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. */
@@ -7,87 +6,74 @@
 #ifndef SIMGRID_MC_MODEL_CHECKER_HPP
 #define SIMGRID_MC_MODEL_CHECKER_HPP
 
-#include <sys/types.h>
+#include "src/mc/remote/CheckerSide.hpp"
+#include "src/mc/remote/RemotePtr.hpp"
+#include "src/mc/sosp/PageStore.hpp"
+#include "xbt/base.h"
 
-#include <poll.h>
 #include <memory>
 
-#include <simgrid_config.h>
-#include <xbt/dict.h>
-#include <xbt/base.h>
-#include <sys/types.h>
-
-#include "src/mc/mc_forward.hpp"
-#include "src/mc/Process.hpp"
-#include "src/mc/PageStore.hpp"
-#include "src/mc/mc_protocol.h"
-
-namespace simgrid {
-namespace mc {
+namespace simgrid::mc {
 
 /** State of the model-checker (global variables for the model checker)
  */
 class ModelChecker {
-  struct pollfd fds_[2];
-  /** String pool for host names */
-  // TODO, use std::set with heterogeneous comparison lookup (C++14)?
-  xbt_dict_t /* <hostname, nullptr> */ hostnames_;
+  CheckerSide checker_side_;
   // This is the parent snapshot of the current state:
-  PageStore page_store_;
-  std::unique_ptr<Process> process_;
-  Checker* checker_ = nullptr;
-public:
-  std::shared_ptr<simgrid::mc::Snapshot> parent_snapshot_;
+  PageStore page_store_{500};
+  std::unique_ptr<RemoteProcess> remote_process_;
+  Exploration* exploration_ = nullptr;
+
+  FILE* dot_output_ = nullptr;
+
+  unsigned long visited_states_ = 0;
 
 public:
   ModelChecker(ModelChecker const&) = delete;
   ModelChecker& operator=(ModelChecker const&) = delete;
-  ModelChecker(std::unique_ptr<Process> process);
-  ~ModelChecker();
-
-  Process& process()
-  {
-    return *process_;
-  }
-  PageStore& page_store()
-  {
-    return page_store_;
-  }
-  const char* get_host_name(const char* name);
+  explicit ModelChecker(std::unique_ptr<RemoteProcess> remote_simulation, int sockfd);
 
-  bool is_important_snapshot(Snapshot const& snapshot) const
-  {
-    return &snapshot == this->parent_snapshot_.get();
-  }
+  RemoteProcess& get_remote_process() { return *remote_process_; }
+  Channel& channel() { return checker_side_.get_channel(); }
+  PageStore& page_store() { return page_store_; }
 
   void start();
   void shutdown();
-  void resume(simgrid::mc::Process& process);
-  void loop();
-  bool handle_events();
-  void wait_client(simgrid::mc::Process& process);
-  void simcall_handle(simgrid::mc::Process& process, unsigned long pid, int value);
-  void wait_for_requests()
-  {
-    mc_model_checker->wait_client(mc_model_checker->process());
-  }
-  void exit(int status);
+  void resume();
+  void wait_for_requests();
+
+  /** 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);
 
-  bool checkDeadlock();
+  /* Interactions with the simcall observer */
+  XBT_ATTRIB_NORETURN void exit(int status);
 
-  Checker* getChecker() const { return checker_; }
-  void setChecker(Checker* checker) { checker_ = checker; }
+  void finalize_app(bool terminate_asap = false);
+
+  Exploration* get_exploration() const { return exploration_; }
+  void set_exploration(Exploration* exploration) { exploration_ = exploration; }
+
+  unsigned long get_visited_states() const { return visited_states_; }
+  void inc_visited_states() { visited_states_++; }
+
+  void dot_output(const char* fmt, ...) XBT_ATTRIB_PRINTF(2, 3);
+  void dot_output_flush()
+  {
+    if (dot_output_ != nullptr)
+      fflush(dot_output_);
+  }
+  void dot_output_close()
+  {
+    if (dot_output_ != nullptr)
+      fclose(dot_output_);
+  }
 
 private:
   void setup_ignore();
-  bool handle_message(char* buffer, ssize_t size);
-  void handle_signals();
+  bool handle_message(const char* buffer, ssize_t size);
   void handle_waitpid();
-  void on_signal(const struct signalfd_siginfo* info);
-
 };
 
-}
-}
+} // namespace simgrid::mc
 
 #endif