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#include <kapi/devices/device.hpp>
#include <kapi/devices.hpp>
#include <kapi/devices/bus.hpp>
#include <kapi/devices/resource.hpp>
#include <kstd/memory.hpp>
#include <kstd/mutex.hpp>
#include <kstd/result.hpp>
#include <kstd/string.hpp>
#include <kstd/system_error.hpp>
#include <kstd/vector.hpp>
#include <algorithm>
#include <cstddef>
#include <ranges>
namespace kapi::devices
{
device::device(kstd::string const & name)
: m_name(name)
{}
auto device::facet(kapi::capabilities::facet_id facet) noexcept -> void *
{
return query_facet(facet);
}
auto device::facet(kapi::capabilities::facet_id facet) const noexcept -> void const *
{
return const_cast<device *>(this)->query_facet(facet);
}
auto device::has_facet(kapi::capabilities::facet_id facet) const noexcept -> bool
{
return const_cast<device *>(this)->query_facet(facet) != nullptr;
}
auto device::name() const -> kstd::string const &
{
return m_name;
}
auto device::parent() const -> kstd::shared_ptr<bus>
{
auto guard = kstd::lock_guard{m_lock};
return m_parent.lock();
}
auto device::state() const noexcept -> enum state
{
auto guard = kstd::lock_guard{m_lock};
return m_state;
}
auto device::set_state(enum state state) -> void
{
auto guard = kstd::lock_guard{m_lock};
m_state = state;
}
auto device::bound_driver() const noexcept -> driver *
{
auto guard = kstd::lock_guard{m_lock};
return m_driver.lock().get();
}
auto device::bind_driver(kstd::weak_ptr<struct driver> driver) -> void
{
auto guard = kstd::lock_guard{m_lock};
m_driver = driver;
}
auto device::driver_data() const -> kstd::shared_ptr<void>
{
auto guard = kstd::lock_guard{m_lock};
return m_driver_data;
}
auto device::set_driver_data(kstd::shared_ptr<void> data) -> void
{
auto guard = kstd::lock_guard{m_lock};
m_driver_data = data;
}
auto device::resources() const -> kstd::vector<resource>
{
auto guard = kstd::lock_guard{m_lock};
return m_resources;
}
auto device::request_resource(resource_type type, std::size_t index) const -> kstd::result<resource>
{
auto guard = kstd::lock_guard{m_lock};
auto numbered_resources = std::views::enumerate(m_resources);
auto found = std::ranges::find_if(numbered_resources, [&](auto entry) {
auto const & [number, resource] = entry;
return resource.type == type && static_cast<std::size_t>(number) == index;
});
if (found != numbered_resources.end())
{
return kstd::success(*found.base());
}
return kstd::failure(make_error_code(kstd::errc::invalid_argument));
}
auto device::set_resources(kstd::vector<resource> resources) -> void
{
auto guard = kstd::lock_guard{m_lock};
m_resources = resources;
}
auto device::query_facet(kapi::capabilities::facet_id) -> void *
{
return nullptr;
}
auto device::set_parent(kstd::weak_ptr<bus> parent) -> void
{
auto guard = kstd::lock_guard{m_lock};
m_parent = parent;
}
} // namespace kapi::devices
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