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Start to replace old simdag tests of the ptask_L07 model
[simgrid.git] / src / mc / mc_smx.cpp
index 54e9ba9..3079827 100644 (file)
@@ -1,4 +1,4 @@
-/* Copyright (c) 2015-2019. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2015-2021. 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. */
 
 using simgrid::mc::remote;
 
-/** HACK, Statically "upcast" a s_smx_actor_t into a ActorInformation
- *
- *  This gets 'actorInfo' from '&actorInfo->copy'. It upcasts in the
- *  sense that we could achieve the same thing by having ActorInformation
- *  inherit from s_smx_actor_t but we don't really want to do that.
- */
-static inline simgrid::mc::ActorInformation* actor_info_cast(smx_actor_t actor)
-{
-  simgrid::mc::ActorInformation temp;
-  std::size_t offset = (char*)temp.copy.get_buffer() - (char*)&temp;
-
-  simgrid::mc::ActorInformation* process_info = (simgrid::mc::ActorInformation*)((char*)actor - offset);
-  return process_info;
-}
-
 /** Load the remote list of processes into a vector
  *
  *  @param process      MCed process
  *  @param target       Local vector (to be filled with copies of `s_smx_actor_t`)
  *  @param remote_dynar Address of the process dynar in the remote list
  */
-static void MC_process_refresh_simix_actor_dynar(simgrid::mc::RemoteClient* process,
+static void MC_process_refresh_simix_actor_dynar(const simgrid::mc::RemoteSimulation* process,
                                                  std::vector<simgrid::mc::ActorInformation>& target,
                                                  simgrid::mc::RemotePtr<s_xbt_dynar_t> remote_dynar)
 {
@@ -40,13 +25,13 @@ static void MC_process_refresh_simix_actor_dynar(simgrid::mc::RemoteClient* proc
   s_xbt_dynar_t dynar;
   process->read_bytes(&dynar, sizeof(dynar), remote_dynar);
 
-  smx_actor_t* data = static_cast<smx_actor_t*>(::operator new(dynar.elmsize * dynar.used));
+  auto* data = static_cast<smx_actor_t*>(::operator new(dynar.elmsize * dynar.used));
   process->read_bytes(data, dynar.elmsize * dynar.used, simgrid::mc::RemotePtr<void>(dynar.data));
 
   // Load each element of the vector from the MCed process:
   for (unsigned int i = 0; i < dynar.used; ++i) {
-
     simgrid::mc::ActorInformation info;
+
     info.address  = simgrid::mc::RemotePtr<simgrid::kernel::actor::ActorImpl>(data[i]);
     info.hostname = nullptr;
     process->read_bytes(&info.copy, sizeof(info.copy), remote(data[i]));
@@ -57,9 +42,9 @@ static void MC_process_refresh_simix_actor_dynar(simgrid::mc::RemoteClient* proc
 namespace simgrid {
 namespace mc {
 
-void RemoteClient::refresh_simix()
+void RemoteSimulation::refresh_simix()
 {
-  if (this->cache_flags_ & RemoteClient::cache_simix_processes)
+  if (this->cache_flags_ & RemoteSimulation::cache_simix_processes)
     return;
 
   // TODO, avoid to reload `&simix_global`, `simix_global`, `*simix_global`
@@ -81,76 +66,18 @@ void RemoteClient::refresh_simix()
   MC_process_refresh_simix_actor_dynar(this, this->smx_dead_actors_infos,
                                        remote(simix_global.get_buffer()->dead_actors_vector));
 
-  this->cache_flags_ |= RemoteClient::cache_simix_processes;
-}
-
-}
-}
-
-/** Get the issuer of a simcall (`req->issuer`)
- *
- *  In split-process mode, it does the black magic necessary to get an address
- *  of a (shallow) copy of the data structure the issuer SIMIX actor in the local
- *  address space.
- *
- *  @param process the MCed process
- *  @param req     the simcall (copied in the local process)
- */
-smx_actor_t MC_smx_simcall_get_issuer(s_smx_simcall const* req)
-{
-  xbt_assert(mc_model_checker != nullptr);
-
-  // This is the address of the smx_actor in the MCed process:
-  auto address = simgrid::mc::remote(req->issuer);
-
-  // Lookup by address:
-  for (auto& actor : mc_model_checker->process().actors())
-    if (actor.address == address)
-      return actor.copy.get_buffer();
-  for (auto& actor : mc_model_checker->process().dead_actors())
-    if (actor.address == address)
-      return actor.copy.get_buffer();
-
-  xbt_die("Issuer not found");
+  this->cache_flags_ |= RemoteSimulation::cache_simix_processes;
 }
 
-const char* MC_smx_actor_get_host_name(smx_actor_t actor)
-{
-  if (mc_model_checker == nullptr)
-    return actor->get_host()->get_cname();
-
-  simgrid::mc::RemoteClient* process = &mc_model_checker->process();
-
-  // Read the simgrid::xbt::string in the MCed process:
-  simgrid::mc::ActorInformation* info     = actor_info_cast(actor);
-  auto remote_string_address              = remote((simgrid::xbt::string_data*)&actor->get_host()->get_name());
-  simgrid::xbt::string_data remote_string = process->read(remote_string_address);
-  char hostname[remote_string.len];
-  process->read_bytes(hostname, remote_string.len + 1, remote(remote_string.data));
-  info->hostname = mc_model_checker->get_host_name(hostname).c_str();
-  return info->hostname;
 }
-
-const char* MC_smx_actor_get_name(smx_actor_t actor)
-{
-  simgrid::mc::RemoteClient* process = &mc_model_checker->process();
-  if (mc_model_checker == nullptr)
-    return actor->get_cname();
-
-  simgrid::mc::ActorInformation* info = actor_info_cast(actor);
-  if (info->name.empty()) {
-    simgrid::xbt::string_data string_data = simgrid::xbt::string::to_string_data(actor->name_);
-    info->name = process->read_string(remote(string_data.data), string_data.len);
-  }
-  return info->name.c_str();
 }
 
 unsigned long MC_smx_get_maxpid()
 {
   unsigned long maxpid;
   const char* name = "simgrid::kernel::actor::maxpid";
-  if (mc_model_checker->process().find_variable(name) == nullptr)
+  if (mc_model_checker->get_remote_simulation().find_variable(name) == nullptr)
     name = "maxpid"; // We seem to miss the namespaces when compiling with GCC
-  mc_model_checker->process().read_variable(name, &maxpid, sizeof(maxpid));
+  mc_model_checker->get_remote_simulation().read_variable(name, &maxpid, sizeof(maxpid));
   return maxpid;
 }