1 /* Copyright (c) 2006-2018. 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_S4U_ACTIVITY_HPP
7 #define SIMGRID_S4U_ACTIVITY_HPP
9 #include <simgrid/s4u/forward.hpp>
10 #include <simgrid/forward.h>
12 enum e_s4u_activity_state_t { inited = 0, started, canceled, errored, finished };
19 * This class is the ancestor of every activities that an actor can undertake, that is, of the actions that do take time in the simulated world.
21 class XBT_PUBLIC Activity {
23 friend XBT_PUBLIC void intrusive_ptr_release(Comm * c);
24 friend XBT_PUBLIC void intrusive_ptr_add_ref(Comm * c);
26 friend XBT_PUBLIC void intrusive_ptr_release(Exec * e);
27 friend XBT_PUBLIC void intrusive_ptr_add_ref(Exec * e);
31 virtual ~Activity() = default;
34 Activity(Activity const&) = delete;
35 Activity& operator=(Activity const&) = delete;
37 /** Starts a previously created activity.
39 * This function is optional: you can call wait() even if you didn't call start()
41 virtual Activity* start() = 0;
42 /** Tests whether the given activity is terminated yet. This is a pure function. */
43 //virtual bool test()=0;
44 /** Blocks until the activity is terminated */
45 virtual Activity* wait() = 0;
46 /** Blocks until the activity is terminated, or until the timeout is elapsed
47 * Raises: timeout exception.*/
48 virtual Activity* wait(double timeout) = 0;
49 /** Cancel that activity */
50 //virtual void cancel();
51 /** Retrieve the current state of the activity */
52 e_s4u_activity_state_t getState() {return state_;}
54 /** Get the remaining amount of work that this Activity entails. When it's 0, it's done. */
55 virtual double getRemains();
56 /** Set the [remaining] amount of work that this Activity will entail
58 * It is forbidden to change the amount of work once the Activity is started */
59 Activity* setRemains(double remains);
61 /** Put some user data onto the Activity */
62 Activity* setUserData(void* data)
67 /** Retrieve the user data of the Activity */
68 void* getUserData() { return user_data_; }
71 simgrid::kernel::activity::ActivityImplPtr pimpl_ = nullptr;
72 e_s4u_activity_state_t state_ = inited;
74 void* user_data_ = nullptr;
77 }}; // Namespace simgrid::s4u
79 #endif /* SIMGRID_S4U_ACTIVITY_HPP */