-/* Copyright (c) 2015-2020. 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 an 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;
-
- auto* process_info = reinterpret_cast<simgrid::mc::ActorInformation*>((char*)actor - offset);
- return process_info;
-}
-
/** Load the remote list of processes into a vector
*
* @param process MCed process
}
}
-/** 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->get_remote_simulation().actors())
- if (actor.address == address)
- return actor.copy.get_buffer();
- for (auto& actor : mc_model_checker->get_remote_simulation().dead_actors())
- if (actor.address == address)
- return actor.copy.get_buffer();
-
- xbt_die("Issuer not found");
-}
-
-const char* MC_smx_actor_get_host_name(smx_actor_t actor)
-{
- if (mc_model_checker == nullptr)
- return actor->get_host()->get_cname();
-
- const simgrid::mc::RemoteSimulation* process = &mc_model_checker->get_remote_simulation();
-
- // Read the simgrid::xbt::string in the MCed process:
- simgrid::mc::ActorInformation* info = actor_info_cast(actor);
- auto remote_string_address =
- remote(reinterpret_cast<const simgrid::xbt::string_data*>(&actor->get_host()->get_name()));
- simgrid::xbt::string_data remote_string = process->read(remote_string_address);
- std::vector<char> hostname(remote_string.len + 1);
- // no need to read the terminating null byte, and thus hostname[remote_string.len] is guaranteed to be '\0'
- process->read_bytes(hostname.data(), remote_string.len, remote(remote_string.data));
- info->hostname = mc_model_checker->get_host_name(hostname.data()).c_str();
- return info->hostname;
-}
-
-const char* MC_smx_actor_get_name(smx_actor_t actor)
-{
- if (mc_model_checker == nullptr)
- return actor->get_cname();
-
- const simgrid::mc::RemoteSimulation* process = &mc_model_checker->get_remote_simulation();
-
- 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;