1 /* Copyright (c) 2007-2019. 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 "src/kernel/activity/IoImpl.hpp"
7 #include "simgrid/kernel/resource/Action.hpp"
8 #include "src/simix/smx_io_private.hpp"
9 #include "src/surf/StorageImpl.hpp"
11 XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(simix_io);
13 simgrid::kernel::activity::IoImpl::IoImpl(std::string name, simgrid::surf::StorageImpl* storage)
14 : ActivityImpl(name), storage_(storage)
16 this->state_ = SIMIX_RUNNING;
18 XBT_DEBUG("Create io impl %p", this);
21 simgrid::kernel::activity::IoImpl::~IoImpl()
23 if (surf_action_ != nullptr)
24 surf_action_->unref();
25 XBT_DEBUG("Destroy io %p", this);
28 void simgrid::kernel::activity::IoImpl::start(sg_size_t size, simgrid::s4u::Io::OpType type)
30 surf_action_ = storage_->io_start(size, type);
31 surf_action_->set_data(this);
33 XBT_DEBUG("Create IO synchro %p %s", this, name_.c_str());
34 simgrid::kernel::activity::IoImpl::on_start(this);
37 void simgrid::kernel::activity::IoImpl::cancel()
39 XBT_VERB("This exec %p is canceled", this);
40 if (surf_action_ != nullptr)
41 surf_action_->cancel();
44 void simgrid::kernel::activity::IoImpl::suspend()
46 if (surf_action_ != nullptr)
47 surf_action_->suspend();
50 void simgrid::kernel::activity::IoImpl::resume()
52 if (surf_action_ != nullptr)
53 surf_action_->resume();
56 double simgrid::kernel::activity::IoImpl::get_remaining()
58 return surf_action_ ? surf_action_->get_remains() : 0;
61 void simgrid::kernel::activity::IoImpl::post()
63 performed_ioops_ = surf_action_->get_cost();
64 switch (surf_action_->get_state()) {
65 case simgrid::kernel::resource::Action::State::FAILED:
66 state_ = SIMIX_FAILED;
68 case simgrid::kernel::resource::Action::State::FINISHED:
77 SIMIX_io_finish(this);
82 simgrid::xbt::signal<void(simgrid::kernel::activity::IoImplPtr)> simgrid::kernel::activity::IoImpl::on_start;
83 simgrid::xbt::signal<void(simgrid::kernel::activity::IoImplPtr)> simgrid::kernel::activity::IoImpl::on_completion;