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kern: implement KEvent, KWritableEvent, KServerSession::OnClientClosed

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This commit is contained in:
Michael Scire 2020-07-09 16:32:37 -07:00
parent d0d8914f28
commit 16c9c53a4a
9 changed files with 449 additions and 4 deletions
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114
libraries/libmesosphere/include/mesosphere/kern_k_session_request.hpp
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@ -17,13 +17,125 @@
#include <mesosphere/kern_common.hpp>
#include <mesosphere/kern_k_auto_object.hpp>
#include <mesosphere/kern_slab_helpers.hpp>
#include <mesosphere/kern_k_writable_event.hpp>
#include <mesosphere/kern_k_thread.hpp>
#include <mesosphere/kern_k_process.hpp>
#include <mesosphere/kern_k_memory_block.hpp>
namespace ams::kern {
class KSessionRequest final : public KSlabAllocated<KSessionRequest>, public KAutoObject, public util::IntrusiveListBaseNode<KSessionRequest> {
MESOSPHERE_AUTOOBJECT_TRAITS(KSessionRequest, KAutoObject);
public:
/* TODO: This is a placeholder definition. */
class SessionMappings {
private:
static constexpr size_t NumStaticMappings = 8;
class Mapping {
private:
KProcessAddress client_address;
KProcessAddress server_address;
size_t size;
KMemoryState state;
public:
constexpr void Set(KProcessAddress c, KProcessAddress s, size_t sz, KMemoryState st) {
this->client_address = c;
this->server_address = s;
this->size = sz;
this->state = st;
}
constexpr KProcessAddress GetClientAddress() const { return this->client_address; }
constexpr KProcessAddress GetServerAddress() const { return this->server_address; }
constexpr size_t GetSize() const { return this->size; }
constexpr KMemoryState GetMemoryState() const { return this->state; }
};
private:
Mapping static_mappings[NumStaticMappings];
Mapping *mappings;
u8 num_send;
u8 num_recv;
u8 num_exch;
public:
constexpr explicit SessionMappings() : static_mappings(), mappings(), num_send(), num_recv(), num_exch() { /* ... */ }
void Initialize() { /* ... */ }
void Finalize();
size_t GetSendCount() const { return this->num_send; }
size_t GetReceiveCount() const { return this->num_recv; }
size_t GetExchangeCount() const { return this->num_exch; }
/* TODO: More functionality. */
};
private:
SessionMappings mappings;
KThread *thread;
KProcess *server;
KWritableEvent *event;
uintptr_t address;
size_t size;
public:
constexpr KSessionRequest() : mappings(), thread(), server(), event(), address(), size() { /* ... */ }
virtual ~KSessionRequest() { /* ... */ }
static KSessionRequest *Create() {
KSessionRequest *req = KSessionRequest::Allocate();
if (req != nullptr) {
KAutoObject::Create(req);
}
return req;
}
virtual void Destroy() override {
this->Finalize();
KSessionRequest::Free(this);
}
void Initialize(KWritableEvent *event, uintptr_t address, size_t size) {
this->mappings.Initialize();
this->thread = std::addressof(GetCurrentThread());
this->event = event;
this->address = address;
this->size = size;
this->thread->Open();
if (this->event != nullptr) {
this->event->Open();
}
}
virtual void Finalize() override {
this->mappings.Finalize();
if (this->thread) {
this->thread->Close();
}
if (this->event) {
this->event->Close();
}
if (this->server) {
this->server->Close();
}
}
static void PostDestroy(uintptr_t arg) { /* ... */ }
KThread *GetThread() const { return this->thread; }
KWritableEvent *GetEvent() const { return this->event; }
uintptr_t GetAddress() const { return this->address; }
size_t GetSize() const { return this->size; }
KProcess *GetServerProcess() const { return this->server; }
void ClearThread() { this->thread = nullptr; }
void ClearEvent() { this->event = nullptr; }
size_t GetSendCount() const { return this->mappings.GetSendCount(); }
size_t GetReceiveCount() const { return this->mappings.GetReceiveCount(); }
size_t GetExchangeCount() const { return this->mappings.GetExchangeCount(); }
/* TODO: More functionality. */
};
}