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[simgrid.git] / src / plugins / vm / VmLiveMigration.cpp
index 3dce9fb..4ac6b36 100644 (file)
@@ -1,9 +1,10 @@
-/* Copyright (c) 2013-2021. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2013-2022. 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. */
 
 #include <simgrid/Exception.hpp>
+#include <simgrid/plugins/live_migration.h>
 
 #include "src/instr/instr_private.hpp"
 #include "src/kernel/resource/VirtualMachineImpl.hpp"
@@ -94,22 +95,20 @@ static sg_size_t get_updated_size(double computed, double dp_rate, sg_size_t dp_
 sg_size_t MigrationTx::sendMigrationData(sg_size_t size, int stage, int stage2_round, double mig_speed, double timeout)
 {
   sg_size_t sent   = size;
-  auto* msg        = new std::string("__mig_stage");
-  *msg             = *msg + std::to_string(stage) + ":" + vm_->get_cname() + "(" + src_pm_->get_cname() + "-" +
-         dst_pm_->get_cname() + ")";
-
+  auto msg = std::make_unique<std::string>(xbt::string_printf("__mig_stage%d:%s(%s-%s)", stage, vm_->get_cname(),
+                                                              src_pm_->get_cname(), dst_pm_->get_cname()));
   double clock_sta = s4u::Engine::get_clock();
 
-  s4u::CommPtr comm = mbox->put_init(msg, size);
+  s4u::CommPtr comm = mbox->put_init(msg.get(), size);
   if (mig_speed > 0)
     comm->set_rate(mig_speed);
   try {
     comm->wait_for(timeout);
+    msg.release();
   } catch (const Exception&) {
     auto remaining = static_cast<sg_size_t>(comm->get_remaining());
     XBT_VERB("timeout (%lf s) in sending_migration_data, remaining %llu bytes of %llu", timeout, remaining, size);
     sent -= remaining;
-    delete msg;
   }
 
   double clock_end    = s4u::Engine::get_clock();
@@ -290,7 +289,7 @@ void sg_vm_live_migration_plugin_init()
 {
   sg_vm_dirty_page_tracking_init();
   VmMigrationExt::ensureVmMigrationExtInstalled();
-  simgrid::s4u::VirtualMachine::on_shutdown.connect(&onVirtualMachineShutdown);
+  simgrid::s4u::VirtualMachine::on_shutdown_cb(&onVirtualMachineShutdown);
 }
 
 simgrid::s4u::VirtualMachine* sg_vm_create_migratable(simgrid::s4u::Host* pm, const char* name, int coreAmount,
@@ -336,8 +335,7 @@ void sg_vm_migrate(simgrid::s4u::VirtualMachine* vm, simgrid::s4u::Host* dst_pm)
         XBT_THROW_POINT,
         simgrid::xbt::string_printf("Cannot migrate VM '%s' that is already migrating.", vm->get_cname()));
 
-  vm->get_vm_impl()->start_migration();
-  simgrid::s4u::VirtualMachine::on_migration_start(*vm);
+  vm->start_migration();
 
   std::string rx_name =
       std::string("__pr_mig_rx:") + vm->get_cname() + "(" + src_pm->get_cname() + "-" + dst_pm->get_cname() + ")";
@@ -359,6 +357,5 @@ void sg_vm_migrate(simgrid::s4u::VirtualMachine* vm, simgrid::s4u::Host* dst_pm)
   tx->join();
   rx->join();
 
-  vm->get_vm_impl()->end_migration();
-  simgrid::s4u::VirtualMachine::on_migration_end(*vm);
+  vm->end_migration();
 }