1 /* Copyright (c) 2006-2022. 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 #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&)> Activity::on_completion;
30 std::set<Activity*>* Activity::vetoed_activities_ = nullptr;
32 void Activity::destroy()
34 /* First Remove all dependencies */
35 while (not dependencies_.empty())
36 (*(dependencies_.begin()))->remove_successor(this);
37 while (not successors_.empty())
38 this->remove_successor(successors_.front());
43 void Activity::wait_until(double time_limit)
45 double now = Engine::get_clock();
47 wait_for(time_limit - now);
50 Activity* Activity::wait_for(double timeout)
52 if (state_ == State::INITED)
55 if (state_ == State::FAILED) {
56 if (dynamic_cast<Comm*>(this))
57 throw NetworkFailureException(XBT_THROW_POINT, "Cannot wait for a failed comm");
58 if (dynamic_cast<Exec*>(this))
59 throw HostFailureException(XBT_THROW_POINT, "Cannot wait for a failed exec");
60 if (dynamic_cast<Io*>(this))
61 throw StorageFailureException(XBT_THROW_POINT, "Cannot wait for a failed I/O");
65 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
66 kernel::actor::ActivityWaitSimcall observer{issuer, pimpl_.get(), timeout};
67 if (kernel::actor::simcall_blocking(
68 [&observer] { observer.get_activity()->wait_for(observer.get_issuer(), observer.get_timeout()); }, &observer))
69 throw TimeoutException(XBT_THROW_POINT, "Timeouted");
70 complete(State::FINISHED);
76 xbt_assert(state_ == State::INITED || state_ == State::STARTED || state_ == State::STARTING ||
77 state_ == State::CANCELED || state_ == State::FINISHED);
79 if (state_ == State::CANCELED || state_ == State::FINISHED)
82 if (state_ == State::INITED || state_ == State::STARTING)
83 this->vetoable_start();
85 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
86 kernel::actor::ActivityTestSimcall observer{issuer, pimpl_.get()};
87 if (kernel::actor::simcall_answered([&observer] { return observer.get_activity()->test(observer.get_issuer()); },
89 complete(State::FINISHED);
95 ssize_t Activity::test_any(const std::vector<ActivityPtr>& activities)
97 std::vector<kernel::activity::ActivityImpl*> ractivities(activities.size());
98 std::transform(begin(activities), end(activities), begin(ractivities),
99 [](const ActivityPtr& act) { return act->pimpl_.get(); });
101 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
102 kernel::actor::ActivityTestanySimcall observer{issuer, ractivities};
103 ssize_t changed_pos = kernel::actor::simcall_answered(
105 return kernel::activity::ActivityImpl::test_any(observer.get_issuer(), observer.get_activities());
108 if (changed_pos != -1)
109 activities.at(changed_pos)->complete(State::FINISHED);
113 ssize_t Activity::wait_any_for(const std::vector<ActivityPtr>& activities, double timeout)
115 std::vector<kernel::activity::ActivityImpl*> ractivities(activities.size());
116 std::transform(begin(activities), end(activities), begin(ractivities),
117 [](const ActivityPtr& activity) { return activity->pimpl_.get(); });
119 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
120 kernel::actor::ActivityWaitanySimcall observer{issuer, ractivities, timeout};
121 ssize_t changed_pos = kernel::actor::simcall_blocking(
123 kernel::activity::ActivityImpl::wait_any_for(observer.get_issuer(), observer.get_activities(),
124 observer.get_timeout());
127 if (changed_pos != -1)
128 activities.at(changed_pos)->complete(State::FINISHED);
132 Activity* Activity::cancel()
134 kernel::actor::simcall_answered([this] {
139 complete(State::CANCELED);
143 Activity* Activity::suspend()
146 return this; // Already suspended
149 if (state_ == State::STARTED)
155 Activity* Activity::resume()
158 return this; // nothing to restore when it's not suspended
160 if (state_ == State::STARTED)
166 const char* Activity::get_state_str() const
168 return to_c_str(state_);
171 double Activity::get_remaining() const
173 if (state_ == State::INITED || state_ == State::STARTING)
176 return pimpl_->get_remaining();
178 double Activity::get_start_time() const
180 return pimpl_->get_start_time();
182 double Activity::get_finish_time() const
184 return pimpl_->get_finish_time();
187 Activity* Activity::set_remaining(double remains)
189 xbt_assert(state_ == State::INITED || state_ == State::STARTING,
190 "Cannot change the remaining amount of work once the Activity is started");
196 } // namespace simgrid