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tio: implement SdCardObserver (finishes sysmodule)

This commit is contained in:
Michael Scire 2021-02-24 09:57:41 -08:00 committed by SciresM
parent 3cbd99a709
commit 0da3b2b273
10 changed files with 268 additions and 2 deletions

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@ -32,6 +32,7 @@
#include <stratosphere/fs/fs_read_only_filesystem.hpp>
#include <stratosphere/fs/fs_shared_filesystem_holder.hpp>
#include <stratosphere/fs/fs_istorage.hpp>
#include <stratosphere/fs/fs_i_event_notifier.hpp>
#include <stratosphere/fs/fs_substorage.hpp>
#include <stratosphere/fs/fs_memory_storage.hpp>
#include <stratosphere/fs/fs_remote_storage.hpp>

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@ -0,0 +1,33 @@
/*
* 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/>.
*/
#pragma once
#include "fs_common.hpp"
namespace ams::fs {
class IEventNotifier {
public:
virtual ~IEventNotifier() { /* ... */ }
Result BindEvent(os::SystemEventType *out, os::EventClearMode clear_mode) {
AMS_ASSERT(out != nullptr);
return this->DoBindEvent(out, clear_mode);
}
private:
virtual Result DoBindEvent(os::SystemEventType *out, os::EventClearMode clear_mode) = 0;
};
}

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@ -18,8 +18,14 @@
namespace ams::fs {
class IEventNotifier;
Result MountSdCard(const char *name);
Result MountSdCardErrorReportDirectoryForAtmosphere(const char *name);
Result OpenSdCardDetectionEventNotifier(std::unique_ptr<IEventNotifier> *out);
bool IsSdCardInserted();
}

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@ -17,6 +17,7 @@
#pragma once
#include <stratosphere/fssrv/sf/fssrv_sf_path.hpp>
#include <stratosphere/fssrv/sf/fssrv_sf_ifile.hpp>
#include <stratosphere/fssrv/sf/fssrv_sf_i_event_notifier.hpp>
#include <stratosphere/fssrv/fssrv_path_normalizer.hpp>
#include <stratosphere/fssrv/fssrv_nca_crypto_configuration.hpp>
#include <stratosphere/fssrv/fssrv_memory_resource_from_standard_allocator.hpp>

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@ -0,0 +1,23 @@
/*
* 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/>.
*/
#pragma once
#include <vapours.hpp>
#include <stratosphere/sf.hpp>
#define AMS_FSSRV_I_EVENT_NOTIFIER_INTERFACE_INFO(C, H) \
AMS_SF_METHOD_INFO(C, H, 0, Result, GetEventHandle, (ams::sf::OutCopyHandle out), (out))
AMS_SF_DEFINE_INTERFACE(ams::fssrv::sf, IEventNotifier, AMS_FSSRV_I_EVENT_NOTIFIER_INTERFACE_INFO)

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@ -15,6 +15,7 @@
*/
#include <stratosphere.hpp>
#include "fsa/fs_mount_utils.hpp"
#include "impl/fs_event_notifier_object_adapter.hpp"
namespace ams::fs {
@ -87,4 +88,30 @@ namespace ams::fs {
return fsa::Register(name, std::move(subdir_fs));
}
Result OpenSdCardDetectionEventNotifier(std::unique_ptr<IEventNotifier> *out) {
/* Try to open an event notifier. */
FsEventNotifier notifier;
AMS_FS_R_TRY(fsOpenSdCardDetectionEventNotifier(std::addressof(notifier)));
/* Create an event notifier adapter. */
auto adapter = std::make_unique<impl::RemoteEventNotifierObjectAdapter>(notifier);
R_UNLESS(adapter != nullptr, fs::ResultAllocationFailureInSdCardB());
*out = std::move(adapter);
return ResultSuccess();
}
bool IsSdCardInserted() {
/* Open device operator. */
FsDeviceOperator device_operator;
AMS_FS_R_ABORT_UNLESS(::fsOpenDeviceOperator(std::addressof(device_operator)));
ON_SCOPE_EXIT { ::fsDeviceOperatorClose(std::addressof(device_operator)); };
/* Get SD card inserted. */
bool inserted;
AMS_FS_R_ABORT_UNLESS(::fsDeviceOperatorIsSdCardInserted(std::addressof(device_operator), std::addressof(inserted)));
return inserted;
}
}

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@ -0,0 +1,59 @@
/*
* 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/>.
*/
#pragma once
#include <stratosphere.hpp>
namespace ams::fs::impl {
class EventNotifierObjectAdapter final : public ::ams::fs::IEventNotifier, public ::ams::fs::impl::Newable {
private:
sf::SharedPointer<fssrv::sf::IEventNotifier> m_object;
public:
EventNotifierObjectAdapter(sf::SharedPointer<fssrv::sf::IEventNotifier> &&obj) : m_object(obj) { /* ... */ }
virtual ~EventNotifierObjectAdapter() { /* ... */ }
private:
virtual Result DoBindEvent(os::SystemEventType *out, os::EventClearMode clear_mode) override {
/* Get the handle. */
sf::CopyHandle handle;
AMS_FS_R_TRY(m_object->GetEventHandle(std::addressof(handle)));
/* Create the system event. */
os::AttachReadableHandleToSystemEvent(out, handle, true, clear_mode);
return ResultSuccess();
}
};
class RemoteEventNotifierObjectAdapter final : public ::ams::fs::IEventNotifier, public ::ams::fs::impl::Newable {
private:
::FsEventNotifier m_notifier;
public:
RemoteEventNotifierObjectAdapter(::FsEventNotifier &n) : m_notifier(n) { /* ... */ }
virtual ~RemoteEventNotifierObjectAdapter() { fsEventNotifierClose(std::addressof(m_notifier)); }
private:
virtual Result DoBindEvent(os::SystemEventType *out, os::EventClearMode clear_mode) override {
/* Get the handle. */
::Event e;
R_TRY(fsEventNotifierGetEventHandle(std::addressof(m_notifier), std::addressof(e), false));
/* Create the system event. */
os::AttachReadableHandleToSystemEvent(out, e.revent, true, clear_mode);
return ResultSuccess();
}
};
}

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@ -18,6 +18,7 @@
#include "tio_file_server_packet.hpp"
#include "tio_file_server_htcs_server.hpp"
#include "tio_file_server_processor.hpp"
#include "tio_sd_card_observer.hpp"
namespace ams::tio {
@ -36,10 +37,12 @@ namespace ams::tio {
constexpr const char HtcsPortName[] = "iywys@$TioServer_FileServer";
alignas(os::ThreadStackAlignment) u8 g_server_stack[os::MemoryPageSize];
alignas(os::ThreadStackAlignment) u8 g_observer_stack[os::MemoryPageSize];
alignas(os::ThreadStackAlignment) u8 g_dispatch_stacks[NumDispatchThreads][os::MemoryPageSize];
constinit FileServerHtcsServer g_file_server_htcs_server;
constinit FileServerProcessor g_file_server_processor(g_file_server_htcs_server);
constinit SdCardObserver g_sd_card_observer;
constinit os::ThreadType g_file_server_dispatch_threads[NumDispatchThreads];
@ -51,6 +54,10 @@ namespace ams::tio {
constinit uintptr_t g_free_mq_storage[NumDispatchThreads];
constinit uintptr_t g_dispatch_mq_storage[NumDispatchThreads];
void OnSdCardInsertionChanged(bool inserted) {
g_file_server_processor.SetInserted(inserted);
}
void OnFileServerHtcsSocketAccepted(int fd) {
/* Service requests, while we can. */
while (true) {
@ -110,10 +117,12 @@ namespace ams::tio {
/* Initialize the htcs server. */
g_file_server_htcs_server.Initialize(HtcsPortName, g_server_stack, sizeof(g_server_stack), OnFileServerHtcsSocketAccepted);
/* TODO: Initialize SD card observer. */
/* Initialize SD card observer. */
g_sd_card_observer.Initialize(g_observer_stack, sizeof(g_observer_stack));
g_sd_card_observer.SetCallback(OnSdCardInsertionChanged);
/* Initialize the command processor. */
g_file_server_processor.SetInserted(false);
g_file_server_processor.SetInserted(g_sd_card_observer.IsSdCardInserted());
g_file_server_processor.SetRequestBufferSize(RequestBufferSize);
/* Initialize the dispatch message queues. */

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@ -0,0 +1,64 @@
/*
* 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>
#include "tio_sd_card_observer.hpp"
namespace ams::tio {
void SdCardObserver::Initialize(void *thread_stack, size_t thread_stack_size) {
/* Setup our thread. */
R_ABORT_UNLESS(os::CreateThread(std::addressof(m_thread), ThreadEntry, this, thread_stack, thread_stack_size, AMS_GET_SYSTEM_THREAD_PRIORITY(TioServer, SdCardObserver)));
/* Set our thread name pointer. */
os::SetThreadNamePointer(std::addressof(m_thread), AMS_GET_SYSTEM_THREAD_NAME(TioServer, SdCardObserver));
/* Set our initial insertion state. */
m_inserted = fs::IsSdCardInserted();
}
void SdCardObserver::SetCallback(SdCardInsertionCallback callback) {
/* Check that we don't already have a callback. */
AMS_ABORT_UNLESS(m_callback == nullptr);
/* Set our callback. */
m_callback = callback;
}
void SdCardObserver::ThreadFunc() {
/* Open detection event notifier. */
std::unique_ptr<fs::IEventNotifier> notifier;
R_ABORT_UNLESS(fs::OpenSdCardDetectionEventNotifier(std::addressof(notifier)));
/* Bind the detection event. */
os::SystemEventType event;
R_ABORT_UNLESS(notifier->BindEvent(std::addressof(event), os::EventClearMode_AutoClear));
/* Loop, waiting for insertion events. */
while (true) {
/* Wait for an event. */
os::WaitSystemEvent(std::addressof(event));
/* Update our insertion state. */
m_inserted = fs::IsSdCardInserted();
/* Invoke our callback. */
if (m_callback) {
m_callback(m_inserted);
}
}
}
}

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@ -0,0 +1,43 @@
/*
* 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/>.
*/
#pragma once
#include <stratosphere.hpp>
namespace ams::tio {
using SdCardInsertionCallback = void(*)(bool inserted);
class SdCardObserver {
private:
bool m_inserted;
SdCardInsertionCallback m_callback;
os::ThreadType m_thread;
public:
constexpr SdCardObserver() : m_inserted(false), m_callback(nullptr), m_thread{} { /* ... */ }
bool IsSdCardInserted() const { return m_inserted; }
private:
static void ThreadEntry(void *arg) {
static_cast<SdCardObserver *>(arg)->ThreadFunc();
}
void ThreadFunc();
public:
void Initialize(void *thread_stack, size_t thread_stack_size);
void SetCallback(SdCardInsertionCallback callback);
};
}