1 /* Copyright (c) 2007-2022. 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
11 #include <string_view>
13 #include "simgrid/forward.h"
14 #include <xbt/utility.hpp>
17 #include <simgrid/kernel/resource/Action.hpp>
18 #include <simgrid/simix.hpp>
24 XBT_DECLARE_ENUM_CLASS(State, WAITING, READY, RUNNING, DONE, CANCELED, FAILED, SRC_HOST_FAILURE, DST_HOST_FAILURE,
25 TIMEOUT, SRC_TIMEOUT, DST_TIMEOUT, LINK_FAILURE);
27 class XBT_PUBLIC ActivityImpl {
28 std::atomic_int_fast32_t refcount_{0};
29 std::string name_ = "";
30 actor::ActorImpl* actor_ = nullptr;
31 State state_ = State::WAITING; /* State of the activity */
32 double start_time_ = -1.0;
33 double finish_time_ = -1.0;
36 virtual ~ActivityImpl();
37 ActivityImpl() = default;
38 std::list<actor::Simcall*> simcalls_; /* List of simcalls waiting for this activity */
39 s4u::Activity* piface_ = nullptr;
40 resource::Action* surf_action_ = nullptr;
43 void inline set_name(std::string_view name)
45 // This is to keep name_ private while allowing ActivityImpl_T<??> to set it and then return a Ptr to qualified
49 void set_start_time(double start_time) { start_time_ = start_time; }
52 const std::string& get_name() const { return name_; }
53 const char* get_cname() const { return name_.c_str(); }
55 void set_actor(actor::ActorImpl* actor) { actor_ = actor; }
56 actor::ActorImpl* get_actor() const { return actor_; }
58 void set_iface(s4u::Activity* iface) { piface_ = iface; }
59 s4u::Activity* get_iface() { return piface_; }
61 void set_state(State state) { state_ = state; }
62 const State& get_state() const { return state_; }
63 const char* get_state_str() const;
65 double get_start_time() const { return start_time_; }
66 void set_finish_time(double finish_time) { finish_time_ = finish_time; }
67 double get_finish_time() const { return finish_time_; }
69 virtual bool test(actor::ActorImpl* issuer);
70 static ssize_t test_any(actor::ActorImpl* issuer, const std::vector<ActivityImpl*>& activities);
72 virtual void wait_for(actor::ActorImpl* issuer, double timeout);
73 static void wait_any_for(actor::ActorImpl* issuer, const std::vector<ActivityImpl*>& activities, double timeout);
74 virtual ActivityImpl& set_timeout(double) { THROW_UNIMPLEMENTED; }
76 virtual void suspend();
77 virtual void resume();
78 virtual void cancel();
80 virtual void post() = 0; // Called by the main loop when the activity is marked as terminated or failed by its model.
81 // Setups the status, clean things up, and call finish()
82 virtual void set_exception(actor::ActorImpl* issuer) = 0; // Raising exceptions and stuff
83 virtual void finish() = 0; // Unlock all simcalls blocked on that activity, either because it was marked as done by
84 // the model or because it terminated without waiting for the model
86 void register_simcall(actor::Simcall* simcall);
87 void unregister_simcall(actor::Simcall* simcall);
88 void handle_activity_waitany(actor::Simcall* simcall);
90 virtual double get_remaining() const;
91 // Support for the boost::intrusive_ptr<ActivityImpl> datatype
92 friend XBT_PUBLIC void intrusive_ptr_add_ref(ActivityImpl* activity);
93 friend XBT_PUBLIC void intrusive_ptr_release(ActivityImpl* activity);
94 int get_refcount() const { return static_cast<int>(refcount_); } // For debugging purpose
97 /* This class exists to allow chained setters as in exec->set_name()->set_priority()->set_blah()
98 * The difficulty is that set_name() must return a qualified child class, not the generic ancestor
99 * But the getter is still in the ancestor to be usable on generic activities with no downcast */
100 template <class AnyActivityImpl> class ActivityImpl_T : public ActivityImpl {
101 std::string tracing_category_ = "";
104 AnyActivityImpl& set_name(std::string_view name) /* Hides the function in the ancestor class */
106 ActivityImpl::set_name(name);
107 return static_cast<AnyActivityImpl&>(*this);
110 AnyActivityImpl& set_tracing_category(std::string_view category)
112 tracing_category_ = category;
113 return static_cast<AnyActivityImpl&>(*this);
115 const std::string& get_tracing_category() const { return tracing_category_; }
118 } // namespace activity
119 } // namespace kernel
120 } // namespace simgrid
122 #endif /* SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP */