mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-22 18:32:05 +00:00
399 lines
15 KiB
C++
399 lines
15 KiB
C++
/*
|
|
* Copyright (c) 2018-2020 Atmosphère-NX
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
#include <stratosphere.hpp>
|
|
|
|
namespace ams::scs {
|
|
|
|
namespace {
|
|
|
|
struct SocketInfo {
|
|
u64 id;
|
|
s32 socket;
|
|
};
|
|
|
|
struct ProgramInfo {
|
|
os::ProcessId process_id;
|
|
u64 id;
|
|
s32 socket;
|
|
s32 info_id;
|
|
bool started;
|
|
bool jit_debug;
|
|
bool launched_by_cs;
|
|
};
|
|
|
|
constexpr inline auto MaxSocketInfo = 2;
|
|
constexpr inline auto MaxProgramInfo = 64;
|
|
|
|
class SocketInfoManager {
|
|
private:
|
|
SocketInfo m_infos[MaxSocketInfo];
|
|
int m_count;
|
|
public:
|
|
constexpr SocketInfoManager() = default;
|
|
|
|
void Initialize() {
|
|
/* Clear our count. */
|
|
m_count = 0;
|
|
}
|
|
|
|
Result Register(s32 socket, u64 id) {
|
|
/* Check that the socket isn't already registered. */
|
|
for (auto i = 0; i < m_count; ++i) {
|
|
R_UNLESS(m_infos[i].socket != socket, scs::ResultNoSocket());
|
|
}
|
|
|
|
/* Check that we can allocate a new socket info. */
|
|
if (m_count >= MaxSocketInfo) {
|
|
/* NOTE: Nintendo aborts with this result here. */
|
|
R_ABORT_UNLESS(scs::ResultOutOfResource());
|
|
}
|
|
|
|
/* Create the new socket info. */
|
|
m_infos[m_count++] = {
|
|
.id = id,
|
|
.socket = socket,
|
|
};
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
void Unregister(s32 socket) {
|
|
/* Unregister the socket, if it's registered. */
|
|
for (auto i = 0; i < m_count; ++i) {
|
|
if (m_infos[i].socket == socket) {
|
|
/* Ensure that the valid socket infos remain in bounds. */
|
|
std::memcpy(m_infos + i, m_infos + i + 1, (m_count - (i + 1)) * sizeof(*m_infos));
|
|
|
|
/* Note that we now have one fewer socket info. */
|
|
--m_count;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void InvokeHandler(ProcessEventHandler handler, os::ProcessId process_id) {
|
|
/* Invoke the handler on all our sockets. */
|
|
for (auto i = 0; i < m_count; ++i) {
|
|
handler(m_infos[i].id, m_infos[i].socket, process_id);
|
|
}
|
|
}
|
|
};
|
|
|
|
class ProgramInfoManager {
|
|
private:
|
|
s32 m_next_info_id;
|
|
ProgramInfo m_infos[MaxProgramInfo];
|
|
int m_count;
|
|
public:
|
|
constexpr ProgramInfoManager() = default;
|
|
|
|
void Initialize() {
|
|
/* Reset our next id. */
|
|
m_next_info_id = 1;
|
|
|
|
/* Clear our count. */
|
|
m_count = 0;
|
|
}
|
|
|
|
const ProgramInfo *Find(os::ProcessId process_id) const {
|
|
/* Find a matching program. */
|
|
for (auto i = 0; i < m_count; ++i) {
|
|
if (m_infos[i].process_id == process_id) {
|
|
return std::addressof(m_infos[i]);
|
|
}
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
bool Register(os::ProcessId process_id) {
|
|
/* Allocate an info id. */
|
|
const auto info_id = m_next_info_id++;
|
|
|
|
/* Check that we have space for the program. */
|
|
if (m_count >= MaxProgramInfo) {
|
|
return false;
|
|
}
|
|
|
|
/* Create the new program info. */
|
|
m_infos[m_count++] = {
|
|
.process_id = process_id,
|
|
.id = 0,
|
|
.socket = 0,
|
|
.info_id = info_id,
|
|
.started = false,
|
|
.jit_debug = false,
|
|
.launched_by_cs = false,
|
|
};
|
|
|
|
return true;
|
|
}
|
|
|
|
void Unregister(os::ProcessId process_id) {
|
|
/* Unregister the program, if it's registered. */
|
|
for (auto i = 0; i < m_count; ++i) {
|
|
if (m_infos[i].process_id == process_id) {
|
|
/* Ensure that the valid program infos remain in bounds. */
|
|
std::memcpy(m_infos + i, m_infos + i + 1, (m_count - (i + 1)) * sizeof(*m_infos));
|
|
|
|
/* Note that we now have one fewer program info. */
|
|
--m_count;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void SetStarted(os::ProcessId process_id) {
|
|
/* Start the program. */
|
|
for (auto i = 0; i < m_count; ++i) {
|
|
if (m_infos[i].process_id == process_id) {
|
|
m_infos[i].started = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
void SetJitDebug(os::ProcessId process_id) {
|
|
/* Set the program as jit debug. */
|
|
for (auto i = 0; i < m_count; ++i) {
|
|
if (m_infos[i].process_id == process_id) {
|
|
m_infos[i].jit_debug = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
alignas(os::ThreadStackAlignment) constinit u8 g_thread_stack[os::MemoryPageSize];
|
|
constinit os::ThreadType g_thread;
|
|
|
|
constinit ProcessEventHandler g_common_start_handler;
|
|
constinit ProcessEventHandler g_common_exit_handler;
|
|
constinit ProcessEventHandler g_common_jit_debug_handler;
|
|
|
|
constinit SocketInfoManager g_socket_info_manager;
|
|
constinit ProgramInfoManager g_program_info_manager;
|
|
|
|
constinit os::SdkMutex g_manager_mutex;
|
|
|
|
void ProcessExitEvent(const pm::ProcessEventInfo &event_info) {
|
|
/* Unregister the target environment definition. */
|
|
htc::tenv::UnregisterDefinitionFilePath(event_info.process_id);
|
|
|
|
/* Unregister program info. */
|
|
ProgramInfo program_info;
|
|
bool found = false;
|
|
{
|
|
std::scoped_lock lk(g_manager_mutex);
|
|
|
|
if (const ProgramInfo *pi = g_program_info_manager.Find(event_info.process_id); pi != nullptr) {
|
|
program_info = *pi;
|
|
found = true;
|
|
|
|
g_program_info_manager.Unregister(event_info.process_id);
|
|
}
|
|
}
|
|
|
|
/* If we found the program, handle callbacks. */
|
|
if (found) {
|
|
/* Invoke the common exit handler. */
|
|
if (program_info.launched_by_cs) {
|
|
g_common_exit_handler(program_info.id, program_info.socket, program_info.process_id);
|
|
}
|
|
|
|
/* Notify the process event. */
|
|
if (program_info.started) {
|
|
std::scoped_lock lk(g_manager_mutex);
|
|
|
|
g_socket_info_manager.InvokeHandler(g_common_exit_handler, program_info.process_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
void ProcessStartedEvent(const pm::ProcessEventInfo &event_info) {
|
|
/* Start the program (registering it, if needed). */
|
|
{
|
|
std::scoped_lock lk(g_manager_mutex);
|
|
|
|
if (g_program_info_manager.Find(event_info.process_id) == nullptr) {
|
|
AMS_ABORT_UNLESS(g_program_info_manager.Register(event_info.process_id));
|
|
}
|
|
|
|
g_program_info_manager.SetStarted(event_info.process_id);
|
|
}
|
|
|
|
/* Handle callbacks. */
|
|
{
|
|
std::scoped_lock lk(g_manager_mutex);
|
|
|
|
g_socket_info_manager.InvokeHandler(g_common_start_handler, event_info.process_id);
|
|
}
|
|
}
|
|
|
|
void ProcessExceptionEvent(const pm::ProcessEventInfo &event_info) {
|
|
/* Find the program info. */
|
|
ProgramInfo program_info;
|
|
bool found = false;
|
|
{
|
|
std::scoped_lock lk(g_manager_mutex);
|
|
|
|
if (const ProgramInfo *pi = g_program_info_manager.Find(event_info.process_id); pi != nullptr) {
|
|
program_info = *pi;
|
|
found = true;
|
|
}
|
|
|
|
/* Set the program as jit debug. */
|
|
g_program_info_manager.SetJitDebug(event_info.process_id);
|
|
}
|
|
|
|
/* If we found the program, handle callbacks. */
|
|
if (found) {
|
|
/* Invoke the common exception handler. */
|
|
if (program_info.launched_by_cs) {
|
|
g_common_jit_debug_handler(program_info.id, program_info.socket, program_info.process_id);
|
|
}
|
|
|
|
/* Notify the process event. */
|
|
if (program_info.started) {
|
|
std::scoped_lock lk(g_manager_mutex);
|
|
|
|
g_socket_info_manager.InvokeHandler(g_common_jit_debug_handler, program_info.process_id);
|
|
}
|
|
}
|
|
}
|
|
|
|
void EventHandlerThread(void *) {
|
|
/* Get event observer. */
|
|
pgl::EventObserver observer;
|
|
R_ABORT_UNLESS(pgl::GetEventObserver(std::addressof(observer)));
|
|
|
|
/* Get the observer's event. */
|
|
os::SystemEventType shell_event;
|
|
R_ABORT_UNLESS(observer.GetSystemEvent(std::addressof(shell_event)));
|
|
|
|
/* Loop handling events. */
|
|
while (true) {
|
|
/* Wait for an event to come in. */
|
|
os::WaitSystemEvent(std::addressof(shell_event));
|
|
|
|
/* Loop processing event infos. */
|
|
while (true) {
|
|
/* Get the next event info. */
|
|
pm::ProcessEventInfo event_info;
|
|
if (R_FAILED(observer.GetProcessEventInfo(std::addressof(event_info)))) {
|
|
break;
|
|
}
|
|
|
|
/* Process the event. */
|
|
switch (event_info.GetProcessEvent()) {
|
|
case pm::ProcessEvent::Exited:
|
|
ProcessExitEvent(event_info);
|
|
break;
|
|
case pm::ProcessEvent::Started:
|
|
ProcessStartedEvent(event_info);
|
|
break;
|
|
case pm::ProcessEvent::Exception:
|
|
ProcessExceptionEvent(event_info);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void StartEventHandlerThread() {
|
|
/* Create the handler thread. */
|
|
R_ABORT_UNLESS(os::CreateThread(std::addressof(g_thread), EventHandlerThread, nullptr, g_thread_stack, sizeof(g_thread_stack), AMS_GET_SYSTEM_THREAD_PRIORITY(scs, ShellEventHandler)));
|
|
|
|
/* Set the handler thread's name. */
|
|
os::SetThreadNamePointer(std::addressof(g_thread), AMS_GET_SYSTEM_THREAD_NAME(scs, ShellEventHandler));
|
|
|
|
/* Start the handler thread. */
|
|
os::StartThread(std::addressof(g_thread));
|
|
}
|
|
|
|
Result PrepareToLaunchProgram(ncm::ProgramId program_id, const void *args, size_t args_size) {
|
|
/* Set the arguments. */
|
|
R_TRY_CATCH(ldr::SetProgramArgument(program_id, args, args_size)) {
|
|
R_CATCH(ldr::ResultTooManyArguments) {
|
|
/* There are too many arguments already registered. Flush the arguments queue. */
|
|
R_TRY(ldr::FlushArguments());
|
|
|
|
/* Try again. */
|
|
R_TRY(ldr::SetProgramArgument(program_id, args, args_size));
|
|
}
|
|
} R_END_TRY_CATCH;
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
void FlushProgramArgument(ncm::ProgramId program_id) {
|
|
/* Ensure there are no arguments for the program. */
|
|
ldr::SetProgramArgument(program_id, "", 1);
|
|
}
|
|
|
|
}
|
|
|
|
void InitializeShell() {
|
|
/* Initialize our managers. */
|
|
g_socket_info_manager.Initialize();
|
|
g_program_info_manager.Initialize();
|
|
|
|
/* Start our event handler. */
|
|
StartEventHandlerThread();
|
|
}
|
|
|
|
void RegisterCommonProcessEventHandler(ProcessEventHandler on_start, ProcessEventHandler on_exit, ProcessEventHandler on_jit_debug) {
|
|
g_common_start_handler = on_start;
|
|
g_common_exit_handler = on_exit;
|
|
g_common_jit_debug_handler = on_jit_debug;
|
|
}
|
|
|
|
Result RegisterSocket(s32 socket, u64 id) {
|
|
/* Acquire exclusive access to the socket info manager. */
|
|
std::scoped_lock lk(g_manager_mutex);
|
|
|
|
/* Register the socket. */
|
|
return g_socket_info_manager.Register(socket, id);
|
|
}
|
|
|
|
void UnregisterSocket(s32 socket) {
|
|
/* Acquire exclusive access to the socket info manager. */
|
|
std::scoped_lock lk(g_manager_mutex);
|
|
|
|
/* Unregister the socket. */
|
|
return g_socket_info_manager.Unregister(socket);
|
|
}
|
|
|
|
Result LaunchProgram(os::ProcessId *out, ncm::ProgramId program_id, const void *args, size_t args_size, u32 process_flags) {
|
|
/* Set up the arguments. */
|
|
PrepareToLaunchProgram(program_id, args, args_size);
|
|
|
|
/* Ensure arguments are managed correctly. */
|
|
ON_SCOPE_EXIT { FlushProgramArgument(program_id); };
|
|
|
|
/* Launch the program. */
|
|
const ncm::ProgramLocation loc = ncm::ProgramLocation::Make(program_id, ncm::StorageId::BuiltInSystem);
|
|
R_TRY(pgl::LaunchProgram(out, loc, process_flags | pm::LaunchFlags_SignalOnExit, 0));
|
|
|
|
return ResultSuccess();
|
|
}
|
|
|
|
Result SubscribeProcessEvent(s32 socket, bool is_register, u64 id);
|
|
|
|
}
|