1 /* Copyright (c) 2018-2021. 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/s4u/Actor.hpp"
7 #include "simgrid/s4u/Disk.hpp"
8 #include "simgrid/s4u/Io.hpp"
9 #include "src/kernel/activity/IoImpl.hpp"
10 #include "src/kernel/actor/ActorImpl.hpp"
11 #include "src/kernel/actor/SimcallObserver.hpp"
16 xbt::signal<void(Io const&)> Io::on_start;
17 xbt::signal<void(Io const&)> Io::on_completion;
19 Io::Io(kernel::activity::IoImplPtr pimpl)
24 void Io::complete(Activity::State state)
26 Activity::complete(state);
32 auto pimpl = kernel::activity::IoImplPtr(new kernel::activity::IoImpl());
33 return IoPtr(pimpl->get_iface());
38 kernel::actor::simcall(
39 [this] { (*boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)).set_name(get_name()).start(); });
44 state_ = State::STARTED;
49 ssize_t Io::wait_any_for(const std::vector<IoPtr>& ios, double timeout)
51 std::vector<kernel::activity::IoImpl*> rios(ios.size());
52 std::transform(begin(ios), end(ios), begin(rios),
53 [](const IoPtr& io) { return static_cast<kernel::activity::IoImpl*>(io->pimpl_.get()); });
55 kernel::actor::ActorImpl* issuer = kernel::actor::ActorImpl::self();
56 kernel::actor::IoWaitanySimcall observer{issuer, rios, timeout};
57 ssize_t changed_pos = kernel::actor::simcall_blocking(
59 kernel::activity::IoImpl::wait_any_for(observer.get_issuer(), observer.get_ios(), observer.get_timeout());
62 if (changed_pos != -1)
63 ios.at(changed_pos)->complete(State::FINISHED);
67 IoPtr Io::set_disk(const_sg_disk_t disk)
69 xbt_assert(state_ == State::INITED || state_ == State::STARTING, "Cannot set disk once the Io is started");
71 kernel::actor::simcall(
72 [this, disk] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_disk(disk->get_impl()); });
74 // Setting the disk may allow to start the activity, let's try
75 if (state_ == State::STARTING)
81 IoPtr Io::set_size(sg_size_t size)
83 xbt_assert(state_ == State::INITED || state_ == State::STARTING, "Cannot set size once the Io is started");
84 kernel::actor::simcall(
85 [this, size] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_size(size); });
86 Activity::set_remaining(size);
90 IoPtr Io::set_op_type(OpType type)
92 xbt_assert(state_ == State::INITED || state_ == State::STARTING, "Cannot set size once the Io is started");
93 kernel::actor::simcall(
94 [this, type] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_type(type); });
98 /** @brief Returns the amount of flops that remain to be done */
99 double Io::get_remaining() const
101 return kernel::actor::simcall(
102 [this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_remaining(); });
105 sg_size_t Io::get_performed_ioops() const
107 return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_performed_ioops();
110 bool Io::is_assigned() const
112 return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_disk() != nullptr;
116 } // namespace simgrid