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kernel: invert session request handling flow

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This commit is contained in:
Liam
2022-10-16 01:53:56 -04:00
parent 7f0d0dd177
commit 983f2b7074
22 changed files with 424 additions and 282 deletions
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55
src/core/hle/kernel/hle_ipc.cpp
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@ -16,6 +16,7 @@
#include "core/hle/kernel/k_auto_object.h"
#include "core/hle/kernel/k_handle_table.h"
#include "core/hle/kernel/k_process.h"
#include "core/hle/kernel/k_server_port.h"
#include "core/hle/kernel/k_server_session.h"
#include "core/hle/kernel/k_thread.h"
#include "core/hle/kernel/kernel.h"
@ -35,7 +36,21 @@ SessionRequestHandler::SessionRequestHandler(KernelCore& kernel_, const char* se
}
SessionRequestHandler::~SessionRequestHandler() {
kernel.ReleaseServiceThread(service_thread);
kernel.ReleaseServiceThread(service_thread.lock());
}
void SessionRequestHandler::AcceptSession(KServerPort* server_port) {
auto* server_session = server_port->AcceptSession();
ASSERT(server_session != nullptr);
RegisterSession(server_session, std::make_shared<SessionRequestManager>(kernel));
}
void SessionRequestHandler::RegisterSession(KServerSession* server_session,
std::shared_ptr<SessionRequestManager> manager) {
manager->SetSessionHandler(shared_from_this());
service_thread.lock()->RegisterServerSession(server_session, manager);
server_session->Close();
}
SessionRequestManager::SessionRequestManager(KernelCore& kernel_) : kernel{kernel_} {}
@ -92,7 +107,7 @@ Result SessionRequestManager::HandleDomainSyncRequest(KServerSession* server_ses
}
// Set domain handlers in HLE context, used for domain objects (IPC interfaces) as inputs
context.SetSessionRequestManager(server_session->GetSessionRequestManager());
ASSERT(context.GetManager().get() == this);
// If there is a DomainMessageHeader, then this is CommandType "Request"
const auto& domain_message_header = context.GetDomainMessageHeader();
@ -130,31 +145,6 @@ Result SessionRequestManager::HandleDomainSyncRequest(KServerSession* server_ses
return ResultSuccess;
}
Result SessionRequestManager::QueueSyncRequest(KSession* parent,
std::shared_ptr<HLERequestContext>&& context) {
// Ensure we have a session request handler
if (this->HasSessionRequestHandler(*context)) {
if (auto strong_ptr = this->GetServiceThread().lock()) {
strong_ptr->QueueSyncRequest(*parent, std::move(context));
} else {
ASSERT_MSG(false, "strong_ptr is nullptr!");
}
} else {
ASSERT_MSG(false, "handler is invalid!");
}
return ResultSuccess;
}
void SessionRequestHandler::ClientConnected(KServerSession* session) {
session->GetSessionRequestManager()->SetSessionHandler(shared_from_this());
// Ensure our server session is tracked globally.
kernel.RegisterServerObject(session);
}
void SessionRequestHandler::ClientDisconnected(KServerSession* session) {}
HLERequestContext::HLERequestContext(KernelCore& kernel_, Core::Memory::Memory& memory_,
KServerSession* server_session_, KThread* thread_)
: server_session(server_session_), thread(thread_), kernel{kernel_}, memory{memory_} {
@ -214,7 +204,7 @@ void HLERequestContext::ParseCommandBuffer(const KHandleTable& handle_table, u32
// Padding to align to 16 bytes
rp.AlignWithPadding();
if (Session()->GetSessionRequestManager()->IsDomain() &&
if (GetManager()->IsDomain() &&
((command_header->type == IPC::CommandType::Request ||
command_header->type == IPC::CommandType::RequestWithContext) ||
!incoming)) {
@ -223,7 +213,7 @@ void HLERequestContext::ParseCommandBuffer(const KHandleTable& handle_table, u32
if (incoming || domain_message_header) {
domain_message_header = rp.PopRaw<IPC::DomainMessageHeader>();
} else {
if (Session()->GetSessionRequestManager()->IsDomain()) {
if (GetManager()->IsDomain()) {
LOG_WARNING(IPC, "Domain request has no DomainMessageHeader!");
}
}
@ -316,12 +306,11 @@ Result HLERequestContext::WriteToOutgoingCommandBuffer(KThread& requesting_threa
// Write the domain objects to the command buffer, these go after the raw untranslated data.
// TODO(Subv): This completely ignores C buffers.
if (server_session->GetSessionRequestManager()->IsDomain()) {
if (GetManager()->IsDomain()) {
current_offset = domain_offset - static_cast<u32>(outgoing_domain_objects.size());
for (auto& object : outgoing_domain_objects) {
server_session->GetSessionRequestManager()->AppendDomainHandler(std::move(object));
cmd_buf[current_offset++] = static_cast<u32_le>(
server_session->GetSessionRequestManager()->DomainHandlerCount());
GetManager()->AppendDomainHandler(std::move(object));
cmd_buf[current_offset++] = static_cast<u32_le>(GetManager()->DomainHandlerCount());
}
}