X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/218c42a20c7eaba87e20cfb3eaac5ad8e0d0f739..831de10adaaf8910940aa280e2ac2dd075b5ffe5:/src/mc/ModelChecker.hpp

diff --git a/src/mc/ModelChecker.hpp b/src/mc/ModelChecker.hpp
index 64db962276..0e7ed9d9f3 100644
--- a/src/mc/ModelChecker.hpp
+++ b/src/mc/ModelChecker.hpp
@@ -9,54 +9,91 @@
 
 #include <sys/types.h>
 
+#include <poll.h>
+
+#include <memory>
+#include <set>
+#include <string>
+
 #include <simgrid_config.h>
-#include <xbt/dict.h>
 #include <xbt/base.h>
+#include <sys/types.h>
 
-#include "mc_forward.hpp"
-#include "mc/Process.hpp"
-#include "mc/PageStore.hpp"
-#include "mc_protocol.h"
+#include "src/mc/mc_forward.hpp"
+#include "src/mc/Process.hpp"
+#include "src/mc/PageStore.hpp"
+#include "src/mc/mc_protocol.h"
+#include "src/mc/Transition.hpp"
 
 namespace simgrid {
 namespace 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 {
+  struct pollfd fds_[2];
   /** String pool for host names */
-  // TODO, use std::unordered_set with heterogeneous comparison lookup (C++14)
-  xbt_dict_t /* <hostname, NULL> */ hostnames_;
+  // TODO, use std::set with heterogeneous comparison lookup (C++14)?
+  std::set<std::string> hostnames_;
   // This is the parent snapshot of the current state:
   PageStore page_store_;
-  Process process_;
+  std::unique_ptr<Process> process_;
+  Checker* checker_ = nullptr;
 public:
-  mc_snapshot_t parent_snapshot_;
+  std::shared_ptr<simgrid::mc::Snapshot> parent_snapshot_;
 
 public:
   ModelChecker(ModelChecker const&) = delete;
   ModelChecker& operator=(ModelChecker const&) = delete;
-  ModelChecker(pid_t pid, int socket);
+  ModelChecker(std::unique_ptr<Process> process);
   ~ModelChecker();
+
   Process& process()
   {
-    return process_;
+    return *process_;
   }
   PageStore& page_store()
   {
     return page_store_;
   }
-  const char* get_host_name(const char* name);
 
-  bool is_important_snapshot(Snapshot const& snapshot) const
+  std::string const& get_host_name(const char* hostname)
+  {
+    return *this->hostnames_.insert(hostname).first;
+  }
+  std::string const& get_host_name(std::string const& hostname)
+  {
+    return *this->hostnames_.insert(hostname).first;
+  }
+
+  void start();
+  void shutdown();
+  void resume(simgrid::mc::Process& process);
+  void loop();
+  bool handle_events();
+  void wait_client(simgrid::mc::Process& process);
+  void handle_simcall(Transition const& transition);
+  void wait_for_requests()
   {
-    return &snapshot == this->parent_snapshot_;
+    mc_model_checker->wait_client(mc_model_checker->process());
   }
+  void exit(int status);
+
+  bool checkDeadlock();
+
+  Checker* getChecker() const { return checker_; }
+  void setChecker(Checker* checker) { checker_ = checker; }
+
+private:
+  void setup_ignore();
+  bool handle_message(char* buffer, ssize_t size);
+  void handle_signals();
+  void handle_waitpid();
+  void on_signal(const struct signalfd_siginfo* info);
+
+public:
+  unsigned long visited_states = 0;
+  unsigned long executed_transitions = 0;
 };
 
 }