add Message queue abstraction

[simgrid.git] / src / s4u / s4u_Engine.cpp

diff --git a/src/s4u/s4u_Engine.cpp b/src/s4u/s4u_Engine.cpp
index 2aa9dbc..094e831 100644 (file)
--- a/src/s4u/s4u_Engine.cpp
+++ b/src/s4u/s4u_Engine.cpp
@@ -86,11 +86,6 @@ const std::vector<std::string>& Engine::get_cmdline() const
   return pimpl_->get_cmdline();
 }
 
-void Engine::shutdown() // XBT_ATTRIB_DEPRECATED_v335
-{
-  delete Engine::instance_;
-}
-
 double Engine::get_clock()
 {
   if (MC_is_active() || MC_record_replay_is_active()) {
@@ -248,13 +243,13 @@ std::string Engine::flatify_platform() const
   ss << "<?xml version='1.0'?>\n";
   ss << "<!DOCTYPE platform SYSTEM \"https://simgrid.org/simgrid.dtd\">\n";
   ss << "<platform version=\"" << version << "\">\n";
-  ss << "<AS id=\"" << get_netzone_root()->get_name() << "\" routing=\"Full\">\n";
+  ss << "<zone id=\"" << get_netzone_root()->get_name() << "\" routing=\"Full\">\n";
 
   flatify_hosts(*this, ss);
   flatify_links(*this, ss);
   flatify_routes(*this, ss);
 
-  ss << "</AS>\n";
+  ss << "</zone>\n";
   ss << "</platform>\n";
   return ss.str();
 }
@@ -405,6 +400,20 @@ Mailbox* Engine::mailbox_by_name_or_create(const std::string& name) const
   return mbox->get_iface();
 }
 
+MessageQueue* Engine::message_queue_by_name_or_create(const std::string& name) const
+{
+  /* two actors may have pushed the same mbox_create simcall at the same time */
+  kernel::activity::MessageQueueImpl* queue = kernel::actor::simcall_answered([&name, this] {
+    auto [m, inserted] = pimpl_->mqueues_.try_emplace(name, nullptr);
+    if (inserted) {
+      m->second = new kernel::activity::MessageQueueImpl(name);
+      XBT_DEBUG("Creating a message queue at %p with name %s", m->second, name.c_str());
+    }
+    return m->second;
+  });
+  return queue->get_iface();
+}
+
 /** @brief Returns the amount of links in the platform */
 size_t Engine::get_link_count() const
 {