X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/824740eb0df1dedddb86035ff3730d87e037f356..da64c6383731d10c6174f81b4b6a20ff0ea186ae:/src/mc/explo/DFSExplorer.hpp

diff --git a/src/mc/explo/DFSExplorer.hpp b/src/mc/explo/DFSExplorer.hpp
index 3e8a45be7a..a0dc478c0c 100644
--- a/src/mc/explo/DFSExplorer.hpp
+++ b/src/mc/explo/DFSExplorer.hpp
@@ -6,36 +6,30 @@
 #ifndef SIMGRID_MC_SAFETY_CHECKER_HPP
 #define SIMGRID_MC_SAFETY_CHECKER_HPP
 
+#include "src/mc/api/ClockVector.hpp"
 #include "src/mc/api/State.hpp"
 #include "src/mc/explo/Exploration.hpp"
+#include "src/mc/explo/odpor/Execution.hpp"
+#include "src/mc/mc_config.hpp"
 
 #if SIMGRID_HAVE_STATEFUL_MC
 #include "src/mc/VisitedState.hpp"
 #endif
 
+#include <deque>
 #include <list>
 #include <memory>
+#include <set>
 #include <string>
+#include <unordered_map>
 #include <vector>
 
 namespace simgrid::mc {
 
-typedef std::list<std::shared_ptr<State>> stack_t;
-
-/* Used to compare two stacks and decide which one is better to backtrack,
- * regarding the chosen guide in the last state. */
-class OpenedStatesCompare {
-public:
-  bool operator()(std::shared_ptr<State> const& lhs, std::shared_ptr<State> const& rhs)
-  {
-    return lhs->next_transition_guided().second < rhs->next_transition_guided().second;
-  }
-};
+using stack_t = std::deque<std::shared_ptr<State>>;
 
 class XBT_PRIVATE DFSExplorer : public Exploration {
-
-  XBT_DECLARE_ENUM_CLASS(ReductionMode, none, dpor);
-
+private:
   ReductionMode reduction_mode_;
   unsigned long backtrack_count_      = 0; // for statistics
   unsigned long visited_states_count_ = 0; // for statistics
@@ -53,10 +47,9 @@ class XBT_PRIVATE DFSExplorer : public Exploration {
   static xbt::signal<void(RemoteApp&)> on_log_state_signal;
 
 public:
-  explicit DFSExplorer(const std::vector<char*>& args, bool with_dpor, bool need_memory_info = false);
+  explicit DFSExplorer(const std::vector<char*>& args, ReductionMode mode, bool need_memory_info = false);
   void run() override;
   RecordTrace get_record_trace() override;
-  std::vector<std::string> get_textual_trace() override;
   void log_state() override;
 
   /** Called once when the exploration starts */
@@ -104,6 +97,16 @@ private:
 
   /** Stack representing the position in the exploration graph */
   stack_t stack_;
+
+  /**
+   * Provides additional metadata about the position in the exploration graph
+   * which is used by SDPOR and ODPOR
+   */
+  odpor::Execution execution_seq_;
+
+  /** Per-actor clock vectors used to compute the "happens-before" relation */
+  std::unordered_map<aid_t, ClockVector> per_actor_clocks_;
+
 #if SIMGRID_HAVE_STATEFUL_MC
   VisitedStates visited_states_;
   std::unique_ptr<VisitedState> visited_state_;
@@ -113,7 +116,13 @@ private:
 
   /** Opened states are states that still contains todo actors.
    *  When backtracking, we pick a state from it*/
-  std::priority_queue<std::shared_ptr<State>, std::vector<std::shared_ptr<State>>, OpenedStatesCompare> opened_states_;
+  std::vector<std::shared_ptr<State>> opened_states_;
+  std::shared_ptr<State> best_opened_state();
+
+  /** If we're running ODPOR, picks the corresponding state in the stack
+   * (opened_states_ are ignored)
+   */
+  std::shared_ptr<State> next_odpor_state();
 
   /** Change current stack_ value to correspond to the one we would have
    *  had if we executed transition to get to state. This is required when