[S4U] Implement Engine::get_filtered_hosts

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

diff --git a/src/s4u/s4u_Engine.cpp b/src/s4u/s4u_Engine.cpp
index 352e4eb..d522abf 100644 (file)
--- a/src/s4u/s4u_Engine.cpp
+++ b/src/s4u/s4u_Engine.cpp
@@ -108,6 +108,17 @@ std::vector<Host*> Engine::get_all_hosts()
   return res;
 }
 
+std::vector<Host*> Engine::get_filtered_hosts(std::function<bool(Host*)> filter)
+{
+  std::vector<Host*> hosts;
+  for (auto const& kv : pimpl->hosts_) {
+    if (filter(kv.second))
+      hosts.push_back(kv.second);
+  }
+
+  return hosts;
+}
+
 void Engine::host_register(std::string name, simgrid::s4u::Host* host)
 {
   pimpl->hosts_[name] = host;
@@ -193,6 +204,12 @@ s4u::NetZone* Engine::get_netzone_root()
 {
   return pimpl->netzone_root_;
 }
+/** @brief Set the root netzone, containing all others. Once set, it cannot be changed. */
+void Engine::set_netzone_root(s4u::NetZone* netzone)
+{
+  xbt_assert(pimpl->netzone_root_ == nullptr, "The root NetZone cannot be changed once set");
+  pimpl->netzone_root_ = static_cast<kernel::routing::NetZoneImpl*>(netzone);
+}
 
 static s4u::NetZone* netzone_by_name_recursive(s4u::NetZone* current, const char* name)
 {
@@ -238,14 +255,14 @@ std::vector<simgrid::kernel::routing::NetPoint*> Engine::get_all_netpoints()
 /** @brief Register a new netpoint to the system */
 void Engine::netpoint_register(simgrid::kernel::routing::NetPoint* point)
 {
-  // simgrid::simix::kernelImmediate([&]{ FIXME: this segfaults in set_thread
+  // simgrid::simix::simcall([&]{ FIXME: this segfaults in set_thread
   pimpl->netpoints_[point->get_name()] = point;
   // });
 }
 /** @brief Unregister a given netpoint */
 void Engine::netpoint_unregister(simgrid::kernel::routing::NetPoint* point)
 {
-  simgrid::simix::kernelImmediate([this, point] {
+  simgrid::simix::simcall([this, point] {
     pimpl->netpoints_.erase(point->get_name());
     delete point;
   });