troposphere: add haze MTP server (#2095)
* troposphere: add haze MTP server
* haze: adjust banner, new lines between class sections, single-statement if
* haze: remove additional newlines between sections
* haze: avoid use of reference out parameter
* haze: console_main_loop: style
* haze: event_reactor, file_system_proxy, ptp: style
* haze: ptp_data_builder, ptp_object_database, ptp_object_heap, results, usb_session: style
* haze: event_reactor, ptp_data_parser, async_usb_server, ptp_object_database, ptp_object_heap: style
* haze: ptp_responder: style
* haze: usb_session: style
* haze: use svc defs from vapours
* haze: misc comments
* haze: fix pointer overflow check
* haze: fix copy paste error
* haze: use alignment, invalidate cached use values in console
* haze: fix stray hex constant
* haze: misc style
* haze: fixes for windows
* haze: add GetObjectPropsSupported, GetObjectPropDesc, GetObjectPropValue
* haze: add SetObjectPropValue
* haze: improve object database API
* haze: improve WriteVariableLengthData readability
* haze: fix directory renames on windows
* haze: ptp_object_database: fix collation
* haze: event_reactor: fix size validation
* haze: ptp_responder: improve documentation
* haze: ptp_responder: avoid unnecessary fs interaction in GetObjectPropValue
* haze: ptp_responder: fix object deletion on windows
* haze: tear down sessions on suspension
* haze: prefer more specific data types
* haze: misc
* haze: fix usb 3.0 support
* haze: improve host-to-device file transfer performance
* haze: report device serial
* haze: move static_assert to requires, fix alignment
2023-04-17 21:08:05 +00:00
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/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <haze/event_reactor.hpp>
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#include <haze/ptp_object_heap.hpp>
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namespace haze {
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class ConsoleMainLoop : public EventConsumer {
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private:
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static constexpr size_t FrameDelayNs = 33'333'333;
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private:
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EventReactor *m_reactor;
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PtpObjectHeap *m_object_heap;
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PadState m_pad;
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Thread m_thread;
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UEvent m_event;
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UEvent m_cancel_event;
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u32 m_last_heap_used;
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u32 m_last_heap_total;
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bool m_is_applet_mode;
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private:
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static void Run(void *arg) {
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static_cast<ConsoleMainLoop *>(arg)->Run();
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}
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void Run() {
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int idx;
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while (true) {
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/* Wait for up to 1 frame delay time to be cancelled. */
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Waiter cancel_waiter = waiterForUEvent(std::addressof(m_cancel_event));
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Result rc = waitObjects(std::addressof(idx), std::addressof(cancel_waiter), 1, FrameDelayNs);
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/* Finish if we were cancelled. */
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if (R_SUCCEEDED(rc)) {
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break;
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}
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/* Otherwise, signal the console update event. */
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if (svc::ResultTimedOut::Includes(rc)) {
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ueventSignal(std::addressof(m_event));
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}
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}
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}
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public:
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explicit ConsoleMainLoop() : m_reactor(), m_pad(), m_thread(), m_event(), m_cancel_event(), m_last_heap_used(), m_last_heap_total(), m_is_applet_mode() { /* ... */ }
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Result Initialize(EventReactor *reactor, PtpObjectHeap *object_heap) {
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/* Register event reactor and heap. */
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m_reactor = reactor;
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m_object_heap = object_heap;
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/* Set cached use amounts to invalid values. */
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m_last_heap_used = 0xffffffffu;
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m_last_heap_total = 0xffffffffu;
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/* Get whether we are launched in applet mode. */
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AppletType applet_type = appletGetAppletType();
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m_is_applet_mode = applet_type != AppletType_Application && applet_type != AppletType_SystemApplication;
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/* Initialize events. */
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ueventCreate(std::addressof(m_event), true);
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ueventCreate(std::addressof(m_cancel_event), true);
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/* Set up pad inputs to allow exiting the program. */
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padConfigureInput(1, HidNpadStyleSet_NpadStandard);
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padInitializeAny(std::addressof(m_pad));
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/* Create the delay thread with higher priority than the main thread (which runs at priority 0x2c). */
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R_TRY(threadCreate(std::addressof(m_thread), ConsoleMainLoop::Run, this, nullptr, 4_KB, 0x2b, svc::IdealCoreUseProcessValue));
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/* Ensure we close the thread on failure. */
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ON_RESULT_FAILURE { threadClose(std::addressof(m_thread)); };
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/* Connect ourselves to the event loop. */
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R_UNLESS(m_reactor->AddConsumer(this, waiterForUEvent(std::addressof(m_event))), haze::ResultRegistrationFailed());
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/* Start the delay thread. */
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R_RETURN(threadStart(std::addressof(m_thread)));
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}
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void Finalize() {
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/* Signal the delay thread to shut down. */
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ueventSignal(std::addressof(m_cancel_event));
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/* Wait for the delay thread to exit and close it. */
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HAZE_R_ABORT_UNLESS(threadWaitForExit(std::addressof(m_thread)));
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HAZE_R_ABORT_UNLESS(threadClose(std::addressof(m_thread)));
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/* Disconnect from the event loop.*/
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m_reactor->RemoveConsumer(this);
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}
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private:
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void RedrawConsole() {
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/* Get use amounts from the heap. */
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u32 heap_used = m_object_heap->GetUsedSize();
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u32 heap_total = m_object_heap->GetTotalSize();
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u32 heap_pct = heap_total > 0 ? static_cast<u32>((heap_used * 100ul) / heap_total) : 0;
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if (heap_used == m_last_heap_used && heap_total == m_last_heap_total) {
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/* If usage didn't change, skip redrawing the console. */
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/* This provides a substantial performance improvement in file transfer speed. */
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return;
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}
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/* Update cached use amounts. */
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m_last_heap_used = heap_used;
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m_last_heap_total = heap_total;
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/* Determine units to use for printing to the console. */
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const char *used_unit = "B";
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if (heap_used >= 1_KB) { heap_used >>= 10; used_unit = "KiB"; }
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if (heap_used >= (1_MB / 1_KB)) { heap_used >>= 10; used_unit = "MiB"; }
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const char *total_unit = "B";
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if (heap_total >= 1_KB) { heap_total >>= 10; total_unit = "KiB"; }
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if (heap_total >= (1_MB / 1_KB)) { heap_total >>= 10; total_unit = "MiB"; }
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/* Draw the console UI. */
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consoleClear();
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printf("USB File Transfer\n\n");
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printf("Connect console to computer. Press [+] to exit.\n");
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printf("Heap used: %u %s / %u %s (%u%%)\n", heap_used, used_unit, heap_total, total_unit, heap_pct);
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if (m_is_applet_mode) {
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/* Print "Applet Mode" in red text. */
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2023-10-14 01:44:52 +00:00
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printf("\n" CONSOLE_ESC(31;1m) "Applet Mode" CONSOLE_ESC(0m) "\n");
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troposphere: add haze MTP server (#2095)
* troposphere: add haze MTP server
* haze: adjust banner, new lines between class sections, single-statement if
* haze: remove additional newlines between sections
* haze: avoid use of reference out parameter
* haze: console_main_loop: style
* haze: event_reactor, file_system_proxy, ptp: style
* haze: ptp_data_builder, ptp_object_database, ptp_object_heap, results, usb_session: style
* haze: event_reactor, ptp_data_parser, async_usb_server, ptp_object_database, ptp_object_heap: style
* haze: ptp_responder: style
* haze: usb_session: style
* haze: use svc defs from vapours
* haze: misc comments
* haze: fix pointer overflow check
* haze: fix copy paste error
* haze: use alignment, invalidate cached use values in console
* haze: fix stray hex constant
* haze: misc style
* haze: fixes for windows
* haze: add GetObjectPropsSupported, GetObjectPropDesc, GetObjectPropValue
* haze: add SetObjectPropValue
* haze: improve object database API
* haze: improve WriteVariableLengthData readability
* haze: fix directory renames on windows
* haze: ptp_object_database: fix collation
* haze: event_reactor: fix size validation
* haze: ptp_responder: improve documentation
* haze: ptp_responder: avoid unnecessary fs interaction in GetObjectPropValue
* haze: ptp_responder: fix object deletion on windows
* haze: tear down sessions on suspension
* haze: prefer more specific data types
* haze: misc
* haze: fix usb 3.0 support
* haze: improve host-to-device file transfer performance
* haze: report device serial
* haze: move static_assert to requires, fix alignment
2023-04-17 21:08:05 +00:00
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}
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consoleUpdate(nullptr);
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}
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protected:
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void ProcessEvent() override {
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/* Update the console. */
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this->RedrawConsole();
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/* Check buttons. */
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padUpdate(std::addressof(m_pad));
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/* If the plus button is held, request immediate exit. */
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if (padGetButtonsDown(std::addressof(m_pad)) & HidNpadButton_Plus) {
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m_reactor->SetResult(haze::ResultStopRequested());
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}
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/* Pump applet events, and check if exit was requested. */
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if (!appletMainLoop()) {
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m_reactor->SetResult(haze::ResultStopRequested());
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}
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/* Check if focus was lost. */
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if (appletGetFocusState() == AppletFocusState_Background) {
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m_reactor->SetResult(haze::ResultFocusLost());
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}
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}
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private:
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static bool SuspendAndWaitForFocus() {
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/* Enable suspension with resume notification. */
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appletSetFocusHandlingMode(AppletFocusHandlingMode_SuspendHomeSleepNotify);
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/* Pump applet events. */
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while (appletMainLoop()) {
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/* Check if focus was regained. */
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if (appletGetFocusState() != AppletFocusState_Background) {
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return true;
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}
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}
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/* Exit was requested. */
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return false;
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}
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public:
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static void RunApplication() {
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/* Declare the object heap, to hold the database for an active session. */
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PtpObjectHeap ptp_object_heap;
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/* Declare the event reactor, and components which use it. */
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EventReactor event_reactor;
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PtpResponder ptp_responder;
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ConsoleMainLoop console_main_loop;
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/* Initialize the console.*/
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consoleInit(nullptr);
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while (true) {
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/* Disable suspension. */
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appletSetFocusHandlingMode(AppletFocusHandlingMode_NoSuspend);
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/* Declare result from serving to use. */
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Result rc;
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{
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/* Ensure we don't go to sleep while transferring files. */
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appletSetAutoSleepDisabled(true);
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/* Clear the event reactor. */
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event_reactor.SetResult(ResultSuccess());
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/* Configure the PTP responder and console main loop. */
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ptp_responder.Initialize(std::addressof(event_reactor), std::addressof(ptp_object_heap));
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console_main_loop.Initialize(std::addressof(event_reactor), std::addressof(ptp_object_heap));
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/* Ensure we maintain a clean state on exit. */
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ON_SCOPE_EXIT {
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/* Finalize the console main loop and PTP responder. */
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console_main_loop.Finalize();
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ptp_responder.Finalize();
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/* Restore auto sleep setting. */
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appletSetAutoSleepDisabled(false);
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};
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/* Begin processing requests. */
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rc = ptp_responder.LoopProcess();
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}
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/* If focus was lost, try to pump the applet main loop until we receive focus again. */
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if (haze::ResultFocusLost::Includes(rc) && SuspendAndWaitForFocus()) {
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continue;
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}
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/* Otherwise, enable suspension and finish. */
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appletSetFocusHandlingMode(AppletFocusHandlingMode_SuspendHomeSleep);
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break;
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}
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/* Finalize the console. */
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consoleExit(nullptr);
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}
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};
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}
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