X-Git-Url: http://bilbo.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/86ae7d28b617b71122346630ab42983f09276633..afcd422c58cb381517c473c2944fde1424b6a9cc:/src/mc/mc_api.cpp

diff --git a/src/mc/mc_api.cpp b/src/mc/mc_api.cpp
index ec1e63b5c7..42f2a6e063 100644
--- a/src/mc/mc_api.cpp
+++ b/src/mc/mc_api.cpp
@@ -1,20 +1,182 @@
 #include "mc_api.hpp"
 
+#include "src/kernel/activity/MailboxImpl.hpp"
 #include "src/mc/Session.hpp"
+#include "src/mc/mc_comm_pattern.hpp"
 #include "src/mc/mc_private.hpp"
+#include "src/mc/mc_record.hpp"
 #include "src/mc/mc_smx.hpp"
 #include "src/mc/remote/RemoteSimulation.hpp"
-#include "src/mc/mc_record.hpp"
-#include "src/mc/mc_comm_pattern.hpp"
+#include "src/mc/mc_pattern.hpp"
 
 #include <xbt/asserts.h>
 #include <xbt/log.h>
 
+#if HAVE_SMPI
+#include "src/smpi/include/smpi_request.hpp"
+#endif
+
 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(mc_api, mc, "Logging specific to MC Fasade APIs ");
 
+using Simcall = simgrid::simix::Simcall;
+
 namespace simgrid {
 namespace mc {
 
+/* Search an enabled transition for the given process.
+ *
+ * This can be seen as an iterator returning the next transition of the process.
+ *
+ * We only consider the processes that are both
+ *  - marked "to be interleaved" in their ActorState (controlled by the checker algorithm).
+ *  - which simcall can currently be executed (like a comm where the other partner is already known)
+ * Once we returned the last enabled transition of a process, it is marked done.
+ *
+ * Things can get muddled with the WAITANY and TESTANY simcalls, that are rewritten on the fly to a bunch of WAIT
+ * (resp TEST) transitions using the transition.argument field to remember what was the last returned sub-transition.
+ */
+static inline smx_simcall_t MC_state_choose_request_for_process(simgrid::mc::State* state, smx_actor_t actor)
+{
+  /* reset the outgoing transition */
+  simgrid::mc::ActorState* procstate = &state->actor_states_[actor->get_pid()];
+  state->transition_.pid_            = -1;
+  state->transition_.argument_       = -1;
+  state->executed_req_.call_         =  Simcall::NONE;
+
+  if (not simgrid::mc::actor_is_enabled(actor))
+    return nullptr; // Not executable in the application
+
+  smx_simcall_t req = nullptr;
+  switch (actor->simcall_.call_) {
+    case Simcall::COMM_WAITANY:
+      state->transition_.argument_ = -1;
+      while (procstate->times_considered < simcall_comm_waitany__get__count(&actor->simcall_)) {
+        if (simgrid::mc::request_is_enabled_by_idx(&actor->simcall_, procstate->times_considered)) {
+          state->transition_.argument_ = procstate->times_considered;
+          ++procstate->times_considered;
+          break;
+        }
+        ++procstate->times_considered;
+      }
+
+      if (procstate->times_considered >= simcall_comm_waitany__get__count(&actor->simcall_))
+        procstate->set_done();
+      if (state->transition_.argument_ != -1)
+        req = &actor->simcall_;
+      break;
+
+    case Simcall::COMM_TESTANY: {
+      unsigned start_count         = procstate->times_considered;
+      state->transition_.argument_ = -1;
+      while (procstate->times_considered < simcall_comm_testany__get__count(&actor->simcall_)) {
+        if (simgrid::mc::request_is_enabled_by_idx(&actor->simcall_, procstate->times_considered)) {
+          state->transition_.argument_ = procstate->times_considered;
+          ++procstate->times_considered;
+          break;
+        }
+        ++procstate->times_considered;
+      }
+
+      if (procstate->times_considered >= simcall_comm_testany__get__count(&actor->simcall_))
+        procstate->set_done();
+
+      if (state->transition_.argument_ != -1 || start_count == 0)
+        req = &actor->simcall_;
+
+      break;
+    }
+
+    case Simcall::COMM_WAIT: {
+      simgrid::mc::RemotePtr<simgrid::kernel::activity::CommImpl> remote_act =
+          remote(simcall_comm_wait__getraw__comm(&actor->simcall_));
+      simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_act;
+      mc_model_checker->get_remote_simulation().read(temp_act, remote_act);
+      const simgrid::kernel::activity::CommImpl* act = temp_act.get_buffer();
+      if (act->src_actor_.get() && act->dst_actor_.get())
+        state->transition_.argument_ = 0; // OK
+      else if (act->src_actor_.get() == nullptr && act->type_ == simgrid::kernel::activity::CommImpl::Type::READY &&
+               act->detached())
+        state->transition_.argument_ = 0; // OK
+      else
+        state->transition_.argument_ = -1; // timeout
+      procstate->set_done();
+      req = &actor->simcall_;
+      break;
+    }
+
+    case Simcall::MC_RANDOM: {
+      int min_value                = simcall_mc_random__get__min(&actor->simcall_);
+      state->transition_.argument_ = procstate->times_considered + min_value;
+      procstate->times_considered++;
+      if (state->transition_.argument_ == simcall_mc_random__get__max(&actor->simcall_))
+        procstate->set_done();
+      req = &actor->simcall_;
+      break;
+    }
+
+    default:
+      procstate->set_done();
+      state->transition_.argument_ = 0;
+      req                          = &actor->simcall_;
+      break;
+  }
+  if (not req)
+    return nullptr;
+
+  state->transition_.pid_ = actor->get_pid();
+  state->executed_req_    = *req;
+  // Fetch the data of the request and translate it:
+  state->internal_req_ = *req;
+
+  /* The waitany and testany request are transformed into a wait or test request over the corresponding communication
+   * action so it can be treated later by the dependence function. */
+  switch (req->call_) {
+    case Simcall::COMM_WAITANY: {
+      state->internal_req_.call_ = Simcall::COMM_WAIT;
+      simgrid::kernel::activity::CommImpl* remote_comm;
+      remote_comm = mc_model_checker->get_remote_simulation().read(
+          remote(simcall_comm_waitany__get__comms(req) + state->transition_.argument_));
+      mc_model_checker->get_remote_simulation().read(state->internal_comm_, remote(remote_comm));
+      simcall_comm_wait__set__comm(&state->internal_req_, state->internal_comm_.get_buffer());
+      simcall_comm_wait__set__timeout(&state->internal_req_, 0);
+      break;
+    }
+
+    case Simcall::COMM_TESTANY:
+      state->internal_req_.call_ = Simcall::COMM_TEST;
+
+      if (state->transition_.argument_ > 0) {
+        simgrid::kernel::activity::CommImpl* remote_comm = mc_model_checker->get_remote_simulation().read(
+            remote(simcall_comm_testany__get__comms(req) + state->transition_.argument_));
+        mc_model_checker->get_remote_simulation().read(state->internal_comm_, remote(remote_comm));
+      }
+
+      simcall_comm_test__set__comm(&state->internal_req_, state->internal_comm_.get_buffer());
+      simcall_comm_test__set__result(&state->internal_req_, state->transition_.argument_);
+      break;
+
+    case Simcall::COMM_WAIT:
+      mc_model_checker->get_remote_simulation().read_bytes(&state->internal_comm_, sizeof(state->internal_comm_),
+                                                           remote(simcall_comm_wait__getraw__comm(req)));
+      simcall_comm_wait__set__comm(&state->executed_req_, state->internal_comm_.get_buffer());
+      simcall_comm_wait__set__comm(&state->internal_req_, state->internal_comm_.get_buffer());
+      break;
+
+    case Simcall::COMM_TEST:
+      mc_model_checker->get_remote_simulation().read_bytes(&state->internal_comm_, sizeof(state->internal_comm_),
+                                                           remote(simcall_comm_test__getraw__comm(req)));
+      simcall_comm_test__set__comm(&state->executed_req_, state->internal_comm_.get_buffer());
+      simcall_comm_test__set__comm(&state->internal_req_, state->internal_comm_.get_buffer());
+      break;
+
+    default:
+      /* No translation needed */
+      break;
+  }
+
+  return req;
+}
+
 void mc_api::initialize(char** argv)
 {
   simgrid::mc::session = new simgrid::mc::Session([argv] {
@@ -43,17 +205,137 @@ unsigned long mc_api::get_maxpid() const
   return MC_smx_get_maxpid();
 }
 
-void mc_api::copy_incomplete_comm_pattern(const simgrid::mc::State* state) const
+int mc_api::get_actors_size() const
+{
+  return mc_model_checker->get_remote_simulation().actors().size();
+}
+
+bool mc_api::comm_addr_equal(const kernel::activity::CommImpl* comm_addr1, const kernel::activity::CommImpl* comm_addr2) const
+{
+  return remote(comm_addr1) == remote(comm_addr2);
+}
+
+kernel::activity::CommImpl* mc_api::get_comm_isend_raw_addr(smx_simcall_t request) const
+{
+  auto comm_addr = simcall_comm_isend__getraw__result(request);
+  return static_cast<kernel::activity::CommImpl*>(comm_addr);
+}
+
+kernel::activity::CommImpl* mc_api::get_comm_wait_raw_addr(smx_simcall_t request) const
+{
+  return simcall_comm_wait__getraw__comm(request);
+}
+
+kernel::activity::CommImpl* mc_api::get_comm_waitany_raw_addr(smx_simcall_t request, int value) const
+{
+  auto addr = mc_model_checker->get_remote_simulation().read(remote(simcall_comm_waitany__getraw__comms(request) + value));
+  return static_cast<simgrid::kernel::activity::CommImpl*>(addr);
+}
+
+std::string mc_api::get_pattern_comm_rdv(void* addr) const
+{
+  Remote<kernel::activity::CommImpl> temp_synchro;
+  mc_model_checker->get_remote_simulation().read(temp_synchro, remote((simgrid::kernel::activity::CommImpl*)addr));
+  const kernel::activity::CommImpl* synchro = temp_synchro.get_buffer();
+
+  char* remote_name = mc_model_checker->get_remote_simulation().read<char*>(RemotePtr<char*>(
+      (uint64_t)(synchro->get_mailbox() ? &synchro->get_mailbox()->get_name() : &synchro->mbox_cpy->get_name())));
+  auto rdv = mc_model_checker->get_remote_simulation().read_string(RemotePtr<char>(remote_name));
+  return rdv;
+}
+
+unsigned long mc_api::get_pattern_comm_src_proc(void* addr) const
+{
+  Remote<kernel::activity::CommImpl> temp_synchro;
+  mc_model_checker->get_remote_simulation().read(temp_synchro, remote((simgrid::kernel::activity::CommImpl*)addr));
+  const kernel::activity::CommImpl* synchro = temp_synchro.get_buffer();
+  auto src_proc = mc_model_checker->get_remote_simulation().resolve_actor(mc::remote(synchro->src_actor_.get()))->get_pid();
+  return src_proc;
+}
+
+unsigned long mc_api::get_pattern_comm_dst_proc(void* addr) const
+{
+  Remote<kernel::activity::CommImpl> temp_synchro;
+  mc_model_checker->get_remote_simulation().read(temp_synchro, remote((simgrid::kernel::activity::CommImpl*)addr));
+  const kernel::activity::CommImpl* synchro = temp_synchro.get_buffer();
+  auto src_proc = mc_model_checker->get_remote_simulation().resolve_actor(mc::remote(synchro->dst_actor_.get()))->get_pid();
+  return src_proc;
+}
+
+std::vector<char> mc_api::get_pattern_comm_data(void* addr) const
+{
+  Remote<kernel::activity::CommImpl> temp_synchro;
+  mc_model_checker->get_remote_simulation().read(temp_synchro, remote((simgrid::kernel::activity::CommImpl*)addr));
+  const kernel::activity::CommImpl* synchro = temp_synchro.get_buffer();
+
+  std::vector<char> buffer {};
+  if (synchro->src_buff_ != nullptr) {
+    buffer.resize(synchro->src_buff_size_);
+    mc_model_checker->get_remote_simulation().read_bytes(buffer.data(), buffer.size(),
+                                                         remote(synchro->src_buff_));
+  }
+  return buffer;
+}
+
+std::vector<char> mc_api::get_pattern_comm_data(const kernel::activity::CommImpl* comm_addr) const
 {
-  MC_state_copy_incomplete_communications_pattern((simgrid::mc::State*)state);
+  simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
+  mc_model_checker->get_remote_simulation().read(temp_comm, remote((kernel::activity::CommImpl*)comm_addr));
+  const simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
+  
+  std::vector<char> buffer {};
+  if (comm->src_buff_ != nullptr) {
+    buffer.resize(comm->src_buff_size_);
+    mc_model_checker->get_remote_simulation().read_bytes(buffer.data(), buffer.size(),
+                                                         remote(comm->src_buff_));
+  }
+  return buffer;
 }
 
-void mc_api::copy_index_comm_pattern(const simgrid::mc::State* state) const
+const char* mc_api::get_actor_host_name(smx_actor_t actor) const
 {
-  MC_state_copy_index_communications_pattern((simgrid::mc::State*)state);
+  const char* host_name = MC_smx_actor_get_host_name(actor);
+  return host_name;
 }
 
-void mc_api::s_initialize() const
+#if HAVE_SMPI
+bool mc_api::check_send_request_detached(smx_simcall_t const& simcall) const
+{
+  simgrid::smpi::Request mpi_request;
+  mc_model_checker->get_remote_simulation().read(
+      &mpi_request, remote(static_cast<smpi::Request*>(simcall_comm_isend__get__data(simcall))));
+  return mpi_request.detached();
+}
+#endif
+
+smx_actor_t mc_api::get_src_actor(const kernel::activity::CommImpl* comm_addr) const
+{
+  simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
+  mc_model_checker->get_remote_simulation().read(temp_comm, remote((kernel::activity::CommImpl*)comm_addr));
+  const simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
+
+  auto src_proc = mc_model_checker->get_remote_simulation().resolve_actor(simgrid::mc::remote(comm->src_actor_.get()));
+  return src_proc;
+}
+
+smx_actor_t mc_api::get_dst_actor(const kernel::activity::CommImpl* comm_addr) const
+{
+  simgrid::mc::Remote<simgrid::kernel::activity::CommImpl> temp_comm;
+  mc_model_checker->get_remote_simulation().read(temp_comm, remote((kernel::activity::CommImpl*)comm_addr));
+  const simgrid::kernel::activity::CommImpl* comm = temp_comm.get_buffer();
+
+  auto dst_proc = mc_model_checker->get_remote_simulation().resolve_actor(simgrid::mc::remote(comm->dst_actor_.get()));
+  return dst_proc;
+}
+
+std::size_t mc_api::get_remote_heap_bytes() const
+{
+  RemoteSimulation& process = mc_model_checker->get_remote_simulation();
+  auto heap_bytes_used      = mmalloc_get_bytes_used_remote(process.get_heap()->heaplimit, process.get_malloc_info());
+  return heap_bytes_used;
+}
+
+void mc_api::session_initialize() const
 {
   session->initialize();
 }
@@ -93,7 +375,7 @@ void mc_api::mc_show_deadlock() const
   MC_show_deadlock();
 }
 
-smx_actor_t mc_api::mc_smx_simcall_get_issuer(s_smx_simcall const* req) const
+smx_actor_t mc_api::simcall_get_issuer(s_smx_simcall const* req) const
 {
   return MC_smx_simcall_get_issuer(req);
 }
@@ -134,14 +416,23 @@ std::string const& mc_api::mc_get_host_name(std::string const& hostname) const
   return mc_model_checker->get_host_name(hostname);
 }
 
-void mc_api::mc_dump_record_path() const
+void mc_api::dump_record_path() const
 {
   simgrid::mc::dumpRecordPath();
 }
 
 smx_simcall_t mc_api::mc_state_choose_request(simgrid::mc::State* state) const
 {
-  return MC_state_choose_request(state);
+  for (auto& actor : mc_model_checker->get_remote_simulation().actors()) {
+    /* Only consider the actors that were marked as interleaving by the checker algorithm */
+    if (not state->actor_states_[actor.copy.get_buffer()->get_pid()].is_todo())
+      continue;
+
+    smx_simcall_t res = MC_state_choose_request_for_process(state, actor.copy.get_buffer());
+    if (res)
+      return res;
+  }
+  return nullptr;
 }
 
 bool mc_api::request_depend(smx_simcall_t req1, smx_simcall_t req2) const
@@ -159,11 +450,35 @@ std::string mc_api::request_get_dot_output(smx_simcall_t req, int value) const
   return simgrid::mc::request_get_dot_output(req, value);
 }
 
-const char* mc_api::simix_simcall_name(e_smx_simcall_t kind) const
+const char* mc_api::simcall_get_name(simgrid::simix::Simcall kind) const
 {
   return SIMIX_simcall_name(kind);
 }
 
+#if HAVE_SMPI
+int mc_api::get_smpi_request_tag(smx_simcall_t const& simcall, simgrid::simix::Simcall type) const
+{
+  simgrid::smpi::Request mpi_request;
+  void* simcall_data = nullptr;
+  if (type == Simcall::COMM_ISEND)
+    simcall_data = simcall_comm_isend__get__data(simcall);
+  else if (type == Simcall::COMM_IRECV)
+    simcall_data = simcall_comm_irecv__get__data(simcall);
+  mc_model_checker->get_remote_simulation().read(&mpi_request, remote(static_cast<smpi::Request*>(simcall_data)));
+  return mpi_request.tag();
+}
+#endif
+
+void mc_api::restore_state(std::shared_ptr<simgrid::mc::Snapshot> system_state) const
+{
+  system_state->restore(&mc_model_checker->get_remote_simulation());
+}
+
+void mc_api::log_state() const
+{
+  session->log_state();
+}
+
 bool mc_api::snapshot_equal(const Snapshot* s1, const Snapshot* s2) const
 {
   return simgrid::mc::snapshot_equal(s1, s2);
@@ -180,19 +495,58 @@ void mc_api::s_close() const
   session->close();
 }
 
-void mc_api::s_restore_initial_state() const
+void mc_api::restore_initial_state() const
 {
   session->restore_initial_state();
 }
 
-void mc_api::execute(Transition const& transition)
+void mc_api::execute(Transition const& transition) const
 {
   session->execute(transition);
 }
 
-void mc_api::s_log_state() const
+#if SIMGRID_HAVE_MC
+void mc_api::automaton_load(const char *file) const
+{ 
+  MC_automaton_load(file); 
+}
+#endif
+
+std::vector<int> mc_api::automaton_propositional_symbol_evaluate() const  
 {
-  session->log_state();
+  unsigned int cursor = 0;
+  std::vector<int> values;    
+  xbt_automaton_propositional_symbol_t ps = nullptr;
+  xbt_dynar_foreach (mc::property_automaton->propositional_symbols, cursor, ps)
+    values.push_back(xbt_automaton_propositional_symbol_evaluate(ps));
+  return values;
+}
+
+std::vector<xbt_automaton_state_t> mc_api::get_automaton_state() const
+{
+  std::vector<xbt_automaton_state_t> automaton_stack;
+  unsigned int cursor = 0;
+  xbt_automaton_state_t automaton_state;
+  xbt_dynar_foreach (mc::property_automaton->states, cursor, automaton_state)
+    if (automaton_state->type == -1)
+      automaton_stack.push_back(automaton_state);
+  return automaton_stack;
+}
+
+int mc_api::compare_automaton_exp_lable(const xbt_automaton_exp_label* l, std::vector<int> const& values) const
+{
+  unsigned int cursor = 0;
+  xbt_automaton_propositional_symbol_t p = nullptr;
+  xbt_dynar_foreach (simgrid::mc::property_automaton->propositional_symbols, cursor, p) {
+    if (std::strcmp(xbt_automaton_propositional_symbol_get_name(p), l->u.predicat) == 0)
+      return cursor;
+  }
+  return -1;
+}
+
+void mc_api::set_property_automaton(xbt_automaton_state_t const& automaton_state) const
+{
+  mc::property_automaton->current_state = automaton_state;
 }
 
 } // namespace mc