-/* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2007-2020. 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. */
namespace simgrid {
namespace kernel {
namespace activity {
+enum class State {
+ WAITING = 0,
+ READY,
+ RUNNING,
+ DONE,
+ CANCELED,
+ FAILED,
+ SRC_HOST_FAILURE,
+ DST_HOST_FAILURE,
+ TIMEOUT,
+ SRC_TIMEOUT,
+ DST_TIMEOUT,
+ LINK_FAILURE
+};
class XBT_PUBLIC ActivityImpl {
std::atomic_int_fast32_t refcount_{0};
+ std::string name_ = "";
+
public:
virtual ~ActivityImpl();
ActivityImpl() = default;
- e_smx_state_t state_ = SIMIX_WAITING; /* State of the activity */
+ State state_ = State::WAITING; /* State of the activity */
std::list<smx_simcall_t> simcalls_; /* List of simcalls waiting for this activity */
resource::Action* surf_action_ = nullptr;
+protected:
+ void inline set_name(const std::string& name)
+ {
+ // This is to keep name_ private while allowing ActivityImpl_T<??> to set it and then return a Ptr to qualified
+ // child type
+ name_ = name;
+ }
+
+public:
+ const std::string& get_name() const { return name_; }
+ const char* get_cname() const { return name_.c_str(); }
+
+ bool test();
+ void wait_for(actor::ActorImpl* issuer, double timeout);
+ virtual ActivityImpl& set_timeout(double) { THROW_UNIMPLEMENTED; }
+
virtual void suspend();
virtual void resume();
virtual void cancel();
- virtual void post() = 0; // What to do when a simcall terminates
- virtual void finish() = 0;
+
+ virtual void post() = 0; // Called by the main loop when the activity is marked as terminated or failed by its model.
+ // Setups the status, clean things up, and call finish()
+ virtual void finish() = 0; // Unlock all simcalls blocked on that activity, either because it was marked as done by
+ // the model or because it terminated without waiting for the model
virtual void register_simcall(smx_simcall_t simcall);
void clean_action();
virtual double get_remaining() const;
- // boost::intrusive_ptr<ActivityImpl> support:
+ // Support for the boost::intrusive_ptr<ActivityImpl> datatype
friend XBT_PUBLIC void intrusive_ptr_add_ref(ActivityImpl* activity);
friend XBT_PUBLIC void intrusive_ptr_release(ActivityImpl* activity);
static xbt::signal<void(ActivityImpl const&)> on_resumed;
};
+/* This class exists to allow chained setters as in exec->set_name()->set_priority()->set_blah()
+ * The difficulty is that set_name() must return a qualified child class, not the generic ancestor
+ * But the getter is still in the ancestor to be usable on generic activities with no downcast */
template <class AnyActivityImpl> class ActivityImpl_T : public ActivityImpl {
private:
- std::string name_ = "";
std::string tracing_category_ = "";
public:
- AnyActivityImpl& set_name(const std::string& name)
+ AnyActivityImpl& set_name(const std::string& name) /* Hides the function in the ancestor class */
{
- name_ = name;
+ ActivityImpl::set_name(name);
return static_cast<AnyActivityImpl&>(*this);
}
- const std::string& get_name() { return name_; }
- const char* get_cname() { return name_.c_str(); }
AnyActivityImpl& set_tracing_category(const std::string& category)
{
tracing_category_ = category;
return static_cast<AnyActivityImpl&>(*this);
}
- const std::string& get_tracing_category() { return tracing_category_; }
+ const std::string& get_tracing_category() const { return tracing_category_; }
};
} // namespace activity