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Merge pull request #1231 from lioncash/global
service: Migrate global named port map to the KernelCore class
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commit
1c5636e690
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@ -13,6 +13,7 @@
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#include "core/core.h"
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#include "core/core_timing.h"
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#include "core/hle/kernel/client_port.h"
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#include "core/hle/kernel/handle_table.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/process.h"
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@ -124,6 +125,8 @@ struct KernelCore::Impl {
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timer_callback_handle_table.Clear();
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timer_callback_event_type = nullptr;
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named_ports.clear();
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}
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void InitializeResourceLimits(KernelCore& kernel) {
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@ -217,6 +220,10 @@ struct KernelCore::Impl {
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// TODO(yuriks): This can be removed if Thread objects are explicitly pooled in the future,
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// allowing us to simply use a pool index or similar.
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Kernel::HandleTable thread_wakeup_callback_handle_table;
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/// Map of named ports managed by the kernel, which can be retrieved using
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/// the ConnectToPort SVC.
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NamedPortTable named_ports;
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};
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KernelCore::KernelCore() : impl{std::make_unique<Impl>()} {}
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@ -257,6 +264,23 @@ void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
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impl->process_list.push_back(std::move(process));
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}
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void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
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impl->named_ports.emplace(std::move(name), std::move(port));
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}
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KernelCore::NamedPortTable::iterator KernelCore::FindNamedPort(const std::string& name) {
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return impl->named_ports.find(name);
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}
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KernelCore::NamedPortTable::const_iterator KernelCore::FindNamedPort(
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const std::string& name) const {
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return impl->named_ports.find(name);
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}
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bool KernelCore::IsValidNamedPort(NamedPortTable::const_iterator port) const {
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return port != impl->named_ports.cend();
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}
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u32 KernelCore::CreateNewObjectID() {
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return impl->next_object_id++;
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}
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@ -4,6 +4,8 @@
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#pragma once
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#include <string>
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#include <unordered_map>
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#include "core/hle/kernel/object.h"
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template <typename T>
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@ -15,6 +17,7 @@ struct EventType;
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namespace Kernel {
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class ClientPort;
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class HandleTable;
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class Process;
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class ResourceLimit;
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@ -25,6 +28,9 @@ enum class ResourceLimitCategory : u8;
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/// Represents a single instance of the kernel.
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class KernelCore {
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private:
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using NamedPortTable = std::unordered_map<std::string, SharedPtr<ClientPort>>;
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public:
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KernelCore();
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~KernelCore();
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@ -59,6 +65,18 @@ public:
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/// Adds the given shared pointer to an internal list of active processes.
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void AppendNewProcess(SharedPtr<Process> process);
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/// Adds a port to the named port table
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void AddNamedPort(std::string name, SharedPtr<ClientPort> port);
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/// Finds a port within the named port table with the given name.
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NamedPortTable::iterator FindNamedPort(const std::string& name);
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/// Finds a port within the named port table with the given name.
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NamedPortTable::const_iterator FindNamedPort(const std::string& name) const;
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/// Determines whether or not the given port is a valid named port.
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bool IsValidNamedPort(NamedPortTable::const_iterator port) const;
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private:
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friend class Object;
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friend class Process;
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@ -68,19 +68,22 @@ static ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
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/// Connect to an OS service given the port name, returns the handle to the port to out
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static ResultCode ConnectToNamedPort(Handle* out_handle, VAddr port_name_address) {
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if (!Memory::IsValidVirtualAddress(port_name_address))
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if (!Memory::IsValidVirtualAddress(port_name_address)) {
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return ERR_NOT_FOUND;
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}
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static constexpr std::size_t PortNameMaxLength = 11;
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// Read 1 char beyond the max allowed port name to detect names that are too long.
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std::string port_name = Memory::ReadCString(port_name_address, PortNameMaxLength + 1);
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if (port_name.size() > PortNameMaxLength)
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if (port_name.size() > PortNameMaxLength) {
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return ERR_PORT_NAME_TOO_LONG;
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}
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LOG_TRACE(Kernel_SVC, "called port_name={}", port_name);
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auto it = Service::g_kernel_named_ports.find(port_name);
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if (it == Service::g_kernel_named_ports.end()) {
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auto& kernel = Core::System::GetInstance().Kernel();
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auto it = kernel.FindNamedPort(port_name);
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if (!kernel.IsValidNamedPort(it)) {
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LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: {}", port_name);
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return ERR_NOT_FOUND;
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}
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@ -91,7 +94,6 @@ static ResultCode ConnectToNamedPort(Handle* out_handle, VAddr port_name_address
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CASCADE_RESULT(client_session, client_port->Connect());
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// Return the client session
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auto& kernel = Core::System::GetInstance().Kernel();
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CASCADE_RESULT(*out_handle, kernel.HandleTable().Create(client_session));
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return RESULT_SUCCESS;
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}
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@ -12,6 +12,7 @@
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#include "core/hle/ipc_helpers.h"
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#include "core/hle/kernel/client_port.h"
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#include "core/hle/kernel/handle_table.h"
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#include "core/hle/kernel/kernel.h"
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#include "core/hle/kernel/process.h"
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#include "core/hle/kernel/server_port.h"
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#include "core/hle/kernel/thread.h"
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@ -114,7 +115,7 @@ void ServiceFrameworkBase::InstallAsNamedPort() {
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std::tie(server_port, client_port) =
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ServerPort::CreatePortPair(kernel, max_sessions, service_name);
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server_port->SetHleHandler(shared_from_this());
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AddNamedPort(service_name, std::move(client_port));
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kernel.AddNamedPort(service_name, std::move(client_port));
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}
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Kernel::SharedPtr<Kernel::ClientPort> ServiceFrameworkBase::CreatePort() {
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@ -197,11 +198,6 @@ ResultCode ServiceFrameworkBase::HandleSyncRequest(Kernel::HLERequestContext& co
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////////////////////////////////////////////////////////////////////////////////////////////////////
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// Module interface
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// TODO(yuriks): Move to kernel
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void AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
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g_kernel_named_ports.emplace(std::move(name), std::move(port));
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}
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/// Initialize ServiceManager
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void Init(std::shared_ptr<SM::ServiceManager>& sm, const FileSys::VirtualFilesystem& rfs) {
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// NVFlinger needs to be accessed by several services like Vi and AppletOE so we instantiate it
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@ -264,7 +260,6 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm, const FileSys::VirtualFilesys
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/// Shutdown ServiceManager
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void Shutdown() {
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g_kernel_named_ports.clear();
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LOG_DEBUG(Service, "shutdown OK");
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}
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} // namespace Service
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@ -6,7 +6,6 @@
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#include <cstddef>
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#include <string>
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#include <unordered_map>
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#include <boost/container/flat_map.hpp>
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#include "common/common_types.h"
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#include "core/hle/kernel/hle_ipc.h"
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@ -187,10 +186,4 @@ void Init(std::shared_ptr<SM::ServiceManager>& sm,
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/// Shutdown ServiceManager
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void Shutdown();
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/// Map of named ports managed by the kernel, which can be retrieved using the ConnectToPort SVC.
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extern std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_kernel_named_ports;
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/// Adds a port to the named port table
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void AddNamedPort(std::string name, Kernel::SharedPtr<Kernel::ClientPort> port);
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} // namespace Service
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