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cosmetics: snake_case some random local variables, fields and non-s4u methods
[simgrid.git] / src / kernel / activity / ExecImpl.cpp
index aee76bc..6cecccf 100644 (file)
@@ -1,52 +1,94 @@
-/* Copyright (c) 2007-2017. The SimGrid Team. All rights reserved.          */
+/* Copyright (c) 2007-2018. 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/s4u/Host.hpp"
+#include "simgrid/modelchecker.h"
+#include "src/mc/mc_replay.hpp"
 
 #include "src/kernel/activity/ExecImpl.hpp"
-#include "src/simix/smx_host_private.h"
+#include "src/simix/smx_host_private.hpp"
 #include "src/surf/surf_interface.hpp"
+#include "src/surf/cpu_interface.hpp"
+
+#include "simgrid/s4u/Host.hpp"
 
 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_process);
 
-simgrid::kernel::activity::ExecImpl::ExecImpl(const char* name, sg_host_t host) : host_(host)
+simgrid::kernel::activity::ExecImpl::ExecImpl(const char* name, resource::Action* surf_action,
+                                              resource::Action* timeout_detector, s4u::Host* host)
+    : host_(host)
 {
   if (name)
-    this->name = name;
-  this->state  = SIMIX_RUNNING;
+    this->name_ = name;
+  this->state_ = SIMIX_RUNNING;
+
+  surf_action_ = surf_action;
+  surf_action_->set_data(this);
+  if (timeout_detector != nullptr) {
+    timeout_detector->set_data(this);
+    timeout_detector_ = timeout_detector;
+  }
+
   XBT_DEBUG("Create exec %p", this);
 }
 
 simgrid::kernel::activity::ExecImpl::~ExecImpl()
 {
-  if (surf_exec)
-    surf_exec->unref();
-  if (timeoutDetector)
-    timeoutDetector->unref();
+  if (surf_action_)
+    surf_action_->unref();
+  if (timeout_detector_)
+    timeout_detector_->unref();
   XBT_DEBUG("Destroy exec %p", this);
 }
+
 void simgrid::kernel::activity::ExecImpl::suspend()
 {
-  XBT_VERB("This exec is suspended (remain: %f)", surf_exec->getRemains());
-  if (surf_exec)
-    surf_exec->suspend();
+  XBT_VERB("This exec is suspended (remain: %f)", surf_action_->get_remains());
+  if (surf_action_ != nullptr)
+    surf_action_->suspend();
 }
 
 void simgrid::kernel::activity::ExecImpl::resume()
 {
-  XBT_VERB("This exec is resumed (remain: %f)", surf_exec->getRemains());
-  if (surf_exec)
-    surf_exec->resume();
+  XBT_VERB("This exec is resumed (remain: %f)", surf_action_->get_remains());
+  if (surf_action_ != nullptr)
+    surf_action_->resume();
+}
+void simgrid::kernel::activity::ExecImpl::cancel()
+{
+  XBT_VERB("This exec %p is canceled", this);
+  if (surf_action_ != nullptr)
+    surf_action_->cancel();
+}
+
+double simgrid::kernel::activity::ExecImpl::get_remaining()
+{
+  xbt_assert(host_ != nullptr, "Calling remains() on a parallel execution is not allowed. "
+                               "We would need to return a vector instead of a scalar. "
+                               "Did you mean remainingRatio() instead?");
+
+  return surf_action_ ? surf_action_->get_remains() : 0;
 }
 
-double simgrid::kernel::activity::ExecImpl::remains()
+double simgrid::kernel::activity::ExecImpl::get_remaining_ratio()
 {
-  if (state == SIMIX_RUNNING)
-    return surf_exec->getRemains();
+  if (host_ ==
+      nullptr) // parallel task: their remain is already between 0 and 1 (see comment in ExecImpl::get_remaining())
+    return surf_action_->get_remains();
+  else // Actually compute the ratio for sequential tasks
+    return surf_action_->get_remains() / surf_action_->get_cost();
+}
 
-  return 0;
+void simgrid::kernel::activity::ExecImpl::set_bound(double bound)
+{
+  if (surf_action_)
+    surf_action_->set_bound(bound);
+}
+void simgrid::kernel::activity::ExecImpl::set_priority(double priority)
+{
+  if (surf_action_)
+    surf_action_->set_priority(priority);
 }
 
 void simgrid::kernel::activity::ExecImpl::post()
@@ -54,26 +96,58 @@ void simgrid::kernel::activity::ExecImpl::post()
   if (host_ && host_->isOff()) { /* FIXME: handle resource failure for parallel tasks too */
                                  /* If the host running the synchro failed, notice it. This way, the asking
                                   * process can be killed if it runs on that host itself */
-    state = SIMIX_FAILED;
-  } else if (surf_exec->getState() == simgrid::surf::Action::State::failed) {
+                                 state_ = SIMIX_FAILED;
+  } else if (surf_action_ && surf_action_->get_state() == simgrid::kernel::resource::Action::State::failed) {
     /* If the host running the synchro didn't fail, then the synchro was canceled */
-    state = SIMIX_CANCELED;
-  } else if (timeoutDetector && timeoutDetector->getState() == simgrid::surf::Action::State::done) {
-    state = SIMIX_TIMEOUT;
+    state_ = SIMIX_CANCELED;
+  } else if (timeout_detector_ && timeout_detector_->get_state() == simgrid::kernel::resource::Action::State::done) {
+    state_ = SIMIX_TIMEOUT;
   } else {
-    state = SIMIX_DONE;
+    state_ = SIMIX_DONE;
   }
 
-  if (surf_exec) {
-    surf_exec->unref();
-    surf_exec = nullptr;
+  if (surf_action_) {
+    surf_action_->unref();
+    surf_action_ = nullptr;
   }
-  if (timeoutDetector) {
-    timeoutDetector->unref();
-    timeoutDetector = nullptr;
+  if (timeout_detector_) {
+    timeout_detector_->unref();
+    timeout_detector_ = nullptr;
   }
 
+  onCompletion(this);
   /* If there are simcalls associated with the synchro, then answer them */
-  if (not simcalls.empty())
+  if (not simcalls_.empty())
     SIMIX_execution_finish(this);
 }
+
+simgrid::kernel::activity::ActivityImpl*
+simgrid::kernel::activity::ExecImpl::migrate(simgrid::s4u::Host* to)
+{
+
+  if (not MC_is_active() && not MC_record_replay_is_active()) {
+    simgrid::kernel::resource::Action* old_action = this->surf_action_;
+    simgrid::kernel::resource::Action* new_action = to->pimpl_cpu->execution_start(old_action->get_cost());
+    new_action->set_remains(old_action->get_remains());
+    new_action->set_data(this);
+    new_action->set_priority(old_action->get_priority());
+
+    // FIXME: the user-defined bound seem to not be kept by LMM, that seem to overwrite it for the multi-core modeling.
+    // I hope that the user did not provide any.
+
+    old_action->set_data(nullptr);
+    old_action->cancel();
+    old_action->unref();
+    this->surf_action_ = new_action;
+  }
+
+  onMigration(this, to);
+  return this;
+}
+
+/*************
+ * Callbacks *
+ *************/
+simgrid::xbt::signal<void(simgrid::kernel::activity::ExecImplPtr)> simgrid::kernel::activity::ExecImpl::onCreation;
+simgrid::xbt::signal<void(simgrid::kernel::activity::ExecImplPtr)> simgrid::kernel::activity::ExecImpl::onCompletion;
+simgrid::xbt::signal<void(simgrid::kernel::activity::ExecImplPtr, simgrid::s4u::Host*)> simgrid::kernel::activity::ExecImpl::onMigration;