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[simgrid.git] / src / kernel / activity / ActivityImpl.hpp
1 /* Copyright (c) 2007-2019. The SimGrid Team. All rights reserved.          */
2
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. */
5
6 #ifndef SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP
7 #define SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP
8
9 #include <string>
10 #include <list>
11
12 #include <xbt/base.h>
13 #include "simgrid/forward.h"
14
15 #include <atomic>
16 #include <simgrid/kernel/resource/Action.hpp>
17 #include <simgrid/simix.hpp>
18
19 namespace simgrid {
20 namespace kernel {
21 namespace activity {
22
23 class XBT_PUBLIC ActivityImpl {
24 public:
25   ActivityImpl() = default;
26   explicit ActivityImpl(const std::string& name) : name_(name) {}
27   virtual ~ActivityImpl();
28   e_smx_state_t state_ = SIMIX_WAITING; /* State of the activity */
29   std::list<smx_simcall_t> simcalls_;   /* List of simcalls waiting for this activity */
30   resource::Action* surf_action_ = nullptr;
31
32   const std::string& get_name() const { return name_; }
33   const char* get_cname() const { return name_.c_str(); }
34   void set_name(const std::string& name) { name_ = name; }
35
36   virtual void suspend();
37   virtual void resume();
38   virtual void post()   = 0; // What to do when a simcall terminates
39   virtual void finish() = 0;
40   void set_category(const std::string& category);
41
42   // boost::intrusive_ptr<ActivityImpl> support:
43   friend XBT_PUBLIC void intrusive_ptr_add_ref(ActivityImpl* activity);
44   friend XBT_PUBLIC void intrusive_ptr_release(ActivityImpl* activity);
45
46 private:
47   std::atomic_int_fast32_t refcount_{0};
48   std::string name_;                    /* Activity name if any */
49
50 public:
51   static xbt::signal<void(ActivityImplPtr)> on_suspended;
52   static xbt::signal<void(ActivityImplPtr)> on_resumed;
53 };
54 } // namespace activity
55 } // namespace kernel
56 } // namespace simgrid
57
58 #endif /* SIMGRID_KERNEL_ACTIVITY_ACTIVITYIMPL_HPP */