-/* Copyright (c) 2018-2022. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2018-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
+#include <simgrid/s4u/ActivitySet.hpp>
#include <simgrid/s4u/Disk.hpp>
#include <simgrid/s4u/Io.hpp>
#include <xbt/log.h>
XBT_LOG_NEW_DEFAULT_SUBCATEGORY(s4u_io, s4u_activity, "S4U asynchronous I/Os");
namespace simgrid::s4u {
-xbt::signal<void(Io const&)> Io::on_start;
Io::Io(kernel::activity::IoImplPtr pimpl)
{
return IoPtr(static_cast<Io*>(pimpl->get_iface()));
}
-IoPtr Io::streamto_init(Host* from, Disk* from_disk, Host* to, Disk* to_disk)
+IoPtr Io::streamto_init(Host* from, const Disk* from_disk, Host* to, const Disk* to_disk)
{
auto res = Io::init()->set_source(from, from_disk)->set_destination(to, to_disk);
res->set_state(State::STARTING);
return res;
}
-IoPtr Io::streamto_async(Host* from, Disk* from_disk, Host* to, Disk* to_disk, uint64_t simulated_size_in_bytes)
+IoPtr Io::streamto_async(Host* from, const Disk* from_disk, Host* to, const Disk* to_disk,
+ uint64_t simulated_size_in_bytes)
{
return Io::init()->set_size(simulated_size_in_bytes)->set_source(from, from_disk)->set_destination(to, to_disk);
}
-void Io::streamto(Host* from, Disk* from_disk, Host* to, Disk* to_disk, uint64_t simulated_size_in_bytes)
+void Io::streamto(Host* from, const Disk* from_disk, Host* to, const Disk* to_disk, uint64_t simulated_size_in_bytes)
{
streamto_async(from, from_disk, to, to_disk, simulated_size_in_bytes)->wait();
}
-IoPtr Io::set_source(Host* from, Disk* from_disk)
+IoPtr Io::set_source(Host* from, const Disk* from_disk)
{
xbt_assert(state_ == State::INITED || state_ == State::STARTING,
"Cannot change the source of an IO stream once it's started (state: %s)", to_c_str(state_));
- kernel::actor::simcall_answered(
- [this, from, from_disk] {
- boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_host(from);
- boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_disk(from_disk->get_impl());
- });
+ kernel::actor::simcall_object_access(pimpl_.get(), [this, from, from_disk] {
+ boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_host(from);
+ if (from_disk != nullptr)
+ boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_disk(from_disk->get_impl());
+ });
// Setting 'source' may allow to start the activity, let's try
if (state_ == State::STARTING && remains_ <= 0)
XBT_DEBUG("This IO has a size of 0 byte. It cannot start yet");
else
- vetoable_start();
+ start();
return this;
}
-IoPtr Io::set_destination(Host* to, Disk* to_disk)
+IoPtr Io::set_destination(Host* to, const Disk* to_disk)
{
xbt_assert(state_ == State::INITED || state_ == State::STARTING,
"Cannot change the source of an IO stream once it's started (state: %s)", to_c_str(state_));
- kernel::actor::simcall_answered(
- [this, to, to_disk] {
- boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_dst_host(to);
- boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_dst_disk(to_disk->get_impl());
- });
+ kernel::actor::simcall_object_access(pimpl_.get(), [this, to, to_disk] {
+ boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_dst_host(to);
+ if (to_disk != nullptr)
+ boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_dst_disk(to_disk->get_impl());
+ });
// Setting 'destination' may allow to start the activity, let's try
if (state_ == State::STARTING && remains_ <= 0)
XBT_DEBUG("This IO has a size of 0 byte. It cannot start yet");
else
- vetoable_start();
+ start();
return this;
}
-Io* Io::start()
+Io* Io::do_start()
{
kernel::actor::simcall_answered(
[this] { (*boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)).set_name(get_name()).start(); });
pimpl_->suspend();
state_ = State::STARTED;
- on_start(*this);
+ fire_on_start();
+ fire_on_this_start();
return this;
}
-ssize_t Io::wait_any_for(const std::vector<IoPtr>& ios, double timeout)
+ssize_t Io::deprecated_wait_any_for(const std::vector<IoPtr>& ios, double timeout) // XBT_ATTRIB_DEPRECATED_v339
{
- std::vector<ActivityPtr> activities;
+ ActivitySet set;
for (const auto& io : ios)
- activities.push_back(boost::dynamic_pointer_cast<Activity>(io));
- return Activity::wait_any_for(activities, timeout);
+ set.push(io);
+
+ auto* ret = set.wait_any_for(timeout).get();
+ for (size_t i = 0; i < ios.size(); i++)
+ if (ios[i].get() == ret)
+ return i;
+
+ return -1;
}
IoPtr Io::set_disk(const_sg_disk_t disk)
// Setting the disk may allow to start the activity, let's try
if (state_ == State::STARTING)
- vetoable_start();
+ start();
return this;
}
{
xbt_assert(state_ == State::INITED || state_ == State::STARTING,
"Cannot change the priority of an io after its start");
- kernel::actor::simcall_answered([this, priority] {
+ kernel::actor::simcall_object_access(pimpl_.get(), [this, priority] {
boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_sharing_penalty(1. / priority);
});
return this;
IoPtr Io::set_size(sg_size_t size)
{
xbt_assert(state_ == State::INITED || state_ == State::STARTING, "Cannot set size once the Io is started");
- kernel::actor::simcall_answered(
- [this, size] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_size(size); });
+ kernel::actor::simcall_object_access(
+ pimpl_.get(), [this, size] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_size(size); });
set_remaining(size);
return this;
}
IoPtr Io::set_op_type(OpType type)
{
xbt_assert(state_ == State::INITED || state_ == State::STARTING, "Cannot set size once the Io is started");
- kernel::actor::simcall_answered(
- [this, type] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_type(type); });
+ kernel::actor::simcall_object_access(
+ pimpl_.get(), [this, type] { boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->set_type(type); });
return this;
}
/** @brief Returns the amount of flops that remain to be done */
double Io::get_remaining() const
{
- return kernel::actor::simcall_answered(
- [this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_remaining(); });
+ return kernel::actor::simcall_object_access(
+ pimpl_.get(), [this]() { return boost::static_pointer_cast<kernel::activity::IoImpl>(pimpl_)->get_remaining(); });
}
sg_size_t Io::get_performed_ioops() const