1 /* Copyright (c) 2006-2023. 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 #include <simgrid/Exception.hpp>
7 #include <simgrid/s4u/Activity.hpp>
8 #include <simgrid/s4u/Comm.hpp>
9 #include <simgrid/s4u/Engine.hpp>
10 #include <simgrid/s4u/Exec.hpp>
11 #include <simgrid/s4u/Io.hpp>
14 #include "src/kernel/activity/ActivityImpl.hpp"
15 #include "src/kernel/actor/ActorImpl.hpp"
16 #include "src/kernel/actor/CommObserver.hpp"
18 XBT_LOG_EXTERNAL_CATEGORY(s4u);
19 XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_activity, s4u, "S4U activities");
23 template class xbt::Extendable<s4u::Activity>;
27 xbt::signal<void(Activity&)> Activity::on_veto;
28 xbt::signal<void(Activity const&)> Activity::on_completion;
29 xbt::signal<void(Activity const&)> Activity::on_suspended;
30 xbt::signal<void(Activity const&)> Activity::on_resumed;
32 std::set<Activity*>* Activity::vetoed_activities_ = nullptr;
34 void Activity::destroy()
36 /* First Remove all dependencies */
37 while (not dependencies_.empty())
38 (*(dependencies_.begin()))->remove_successor(this);
39 while (not successors_.empty())
40 this->remove_successor(successors_.front());
45 void Activity::wait_until(double time_limit)
47 double now = Engine::get_clock();
49 wait_for(time_limit - now);
52 Activity* Activity::wait_for(double timeout)
54 if (state_ == State::INITED)
57 if (state_ == State::FAILED) {
58 if (dynamic_cast<Comm*>(this))
59 throw NetworkFailureException(XBT_THROW_POINT, "Cannot wait for a failed comm");
60 if (dynamic_cast<Exec*>(this))
61 throw HostFailureException(XBT_THROW_POINT, "Cannot wait for a failed exec");
62 if (dynamic_cast<Io*>(this))
63 throw StorageFailureException(XBT_THROW_POINT, "Cannot wait for a failed I/O");
67 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
68 kernel::actor::ActivityWaitSimcall observer{issuer, pimpl_.get(), timeout};
69 if (kernel::actor::simcall_blocking(
70 [&observer] { observer.get_activity()->wait_for(observer.get_issuer(), observer.get_timeout()); }, &observer))
71 throw TimeoutException(XBT_THROW_POINT, "Timeouted");
72 complete(State::FINISHED);
78 xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::STARTING ||
79 state_ == State::CANCELED || state_ == State::FINISHED);
81 if (state_ == State::CANCELED || state_ == State::FINISHED)
84 if (state_ == State::INITED || state_ == State::STARTING)
87 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
88 kernel::actor::ActivityTestSimcall observer{issuer, pimpl_.get()};
89 if (kernel::actor::simcall_answered([&observer] { return observer.get_activity()->test(observer.get_issuer()); },
91 complete(State::FINISHED);
97 ssize_t Activity::test_any(const std::vector<ActivityPtr>& activities)
99 std::vector<kernel::activity::ActivityImpl*> ractivities(activities.size());
100 std::transform(begin(activities), end(activities), begin(ractivities),
101 [](const ActivityPtr& act) { return act->pimpl_.get(); });
103 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
104 kernel::actor::ActivityTestanySimcall observer{issuer, ractivities};
105 ssize_t changed_pos = kernel::actor::simcall_answered(
107 return kernel::activity::ActivityImpl::test_any(observer.get_issuer(), observer.get_activities());
110 if (changed_pos != -1)
111 activities.at(changed_pos)->complete(State::FINISHED);
115 ssize_t Activity::wait_any_for(const std::vector<ActivityPtr>& activities, double timeout)
117 std::vector<kernel::activity::ActivityImpl*> ractivities(activities.size());
118 std::transform(begin(activities), end(activities), begin(ractivities),
119 [](const ActivityPtr& activity) { return activity->pimpl_.get(); });
121 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
122 kernel::actor::ActivityWaitanySimcall observer{issuer, ractivities, timeout};
123 ssize_t changed_pos = kernel::actor::simcall_blocking(
125 kernel::activity::ActivityImpl::wait_any_for(observer.get_issuer(), observer.get_activities(),
126 observer.get_timeout());
129 if (changed_pos != -1)
130 activities.at(changed_pos)->complete(State::FINISHED);
134 Activity* Activity::cancel()
136 kernel::actor::simcall_answered([this] {
141 complete(State::CANCELED);
145 Activity* Activity::suspend()
148 return this; // Already suspended
151 if (state_ == State::STARTED)
157 Activity* Activity::resume()
160 return this; // nothing to restore when it's not suspended
162 if (state_ == State::STARTED)
168 const char* Activity::get_state_str() const
170 return to_c_str(state_);
173 double Activity::get_remaining() const
175 if (state_ == State::INITED || state_ == State::STARTING)
178 return pimpl_->get_remaining();
180 double Activity::get_start_time() const
182 return pimpl_->get_start_time();
184 double Activity::get_finish_time() const
186 return pimpl_->get_finish_time();
189 Activity* Activity::set_remaining(double remains)
191 xbt_assert(state_ == State::INITED || state_ == State::STARTING,
192 "Cannot change the remaining amount of work once the Activity is started");
198 } // namespace simgrid