X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/9dbeb2372ad9a123d0558132ebb6e003e10aa641..7d9763f5619c35b79077e30f5d32de44699824a6:/src/mc/ModelChecker.hpp

diff --git a/src/mc/ModelChecker.hpp b/src/mc/ModelChecker.hpp
index fe50841917..2c1abd27df 100644
--- a/src/mc/ModelChecker.hpp
+++ b/src/mc/ModelChecker.hpp
@@ -3,51 +3,83 @@
 
 /* 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 SIMGRID_MC_MODEL_CHECKER_HPP
 #define SIMGRID_MC_MODEL_CHECKER_HPP
 
 #include <sys/types.h>
 
+#include <poll.h>
+#include <memory>
+
 #include <simgrid_config.h>
-#include <xbt/dynar.h>
+#include <xbt/dict.h>
+#include <xbt/base.h>
+#include <sys/types.h>
 
-#include "mc_forward.h"
-#include "mc_process.h"
-#include "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"
 
 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)?
+  xbt_dict_t /* <hostname, nullptr> */ hostnames_;
   // This is the parent snapshot of the current state:
-  s_mc_pages_store_t page_store_;
-  s_mc_process_t process_;
+  PageStore page_store_;
+  std::unique_ptr<Process> process_;
+  Checker* checker_ = nullptr;
+public:
+  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();
-  s_mc_process_t& process()
+
+  Process& process()
   {
-    return process_;
+    return *process_;
   }
   PageStore& page_store()
   {
     return page_store_;
   }
   const char* get_host_name(const char* name);
+
+  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);
+
+  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);
+
 };
 
 }