1 /* Copyright (c) 2007-2021. The SimGrid Team. All rights reserved. */
3 /* This program is free software; you can redistribute it and/or modify it
4 * under the terms of the license (GNU LGPL) which comes with this package. */
6 #ifndef SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP
7 #define SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP
13 #include "simgrid/forward.h"
16 #include <simgrid/kernel/resource/Action.hpp>
17 #include <simgrid/simix.hpp>
37 class XBT_PUBLIC ActivityImpl {
38 std::atomic_int_fast32_t refcount_{0};
39 std::string name_ = "";
42 virtual ~ActivityImpl();
43 ActivityImpl() = default;
44 State state_ = State::WAITING; /* State of the activity */
45 std::list<smx_simcall_t> simcalls_; /* List of simcalls waiting for this activity */
46 resource::Action* surf_action_ = nullptr;
49 void inline set_name(const std::string& name)
51 // This is to keep name_ private while allowing ActivityImpl_T<??> to set it and then return a Ptr to qualified
57 const std::string& get_name() const { return name_; }
58 const char* get_cname() const { return name_.c_str(); }
61 void wait_for(actor::ActorImpl* issuer, double timeout);
62 virtual ActivityImpl& set_timeout(double) { THROW_UNIMPLEMENTED; }
64 virtual void suspend();
65 virtual void resume();
66 virtual void cancel();
68 virtual void post() = 0; // Called by the main loop when the activity is marked as terminated or failed by its model.
69 // Setups the status, clean things up, and call finish()
70 virtual void finish() = 0; // Unlock all simcalls blocked on that activity, either because it was marked as done by
71 // the model or because it terminated without waiting for the model
73 virtual void register_simcall(smx_simcall_t simcall);
75 virtual double get_remaining() const;
76 const char* get_state_str() const;
77 // Support for the boost::intrusive_ptr<ActivityImpl> datatype
78 friend XBT_PUBLIC void intrusive_ptr_add_ref(ActivityImpl* activity);
79 friend XBT_PUBLIC void intrusive_ptr_release(ActivityImpl* activity);
81 static xbt::signal<void(ActivityImpl const&)> on_suspended;
82 static xbt::signal<void(ActivityImpl const&)> on_resumed;
85 /* This class exists to allow chained setters as in exec->set_name()->set_priority()->set_blah()
86 * The difficulty is that set_name() must return a qualified child class, not the generic ancestor
87 * But the getter is still in the ancestor to be usable on generic activities with no downcast */
88 template <class AnyActivityImpl> class ActivityImpl_T : public ActivityImpl {
90 std::string tracing_category_ = "";
93 AnyActivityImpl& set_name(const std::string& name) /* Hides the function in the ancestor class */
95 ActivityImpl::set_name(name);
96 return static_cast<AnyActivityImpl&>(*this);
99 AnyActivityImpl& set_tracing_category(const std::string& category)
101 tracing_category_ = category;
102 return static_cast<AnyActivityImpl&>(*this);
104 const std::string& get_tracing_category() const { return tracing_category_; }
107 } // namespace activity
108 } // namespace kernel
109 } // namespace simgrid
111 #endif /* SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP */