mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
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244 lines
8 KiB
C++
244 lines
8 KiB
C++
/*
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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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#include <stratosphere.hpp>
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#include "dmnt2_debug_log.hpp"
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// TODO: This should be converted to use log manager. */
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//#define AMS_DMNT2_ENABLE_HTCS_DEBUG_LOG
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#if defined(AMS_DMNT2_ENABLE_HTCS_DEBUG_LOG)
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namespace ams::dmnt {
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namespace {
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constexpr size_t NumLogBuffers = 0x200;
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constexpr size_t LogBufferSize = 0x100;
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constexpr inline auto LogThreadPriority = os::HighestThreadPriority - 2;
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constinit os::MessageQueueType g_buf_mq;
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constinit os::MessageQueueType g_req_mq;
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alignas(os::ThreadStackAlignment) u8 g_log_thread_stack[os::MemoryPageSize];
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constinit char g_log_buffers[NumLogBuffers][LogBufferSize];
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constinit uintptr_t g_buf_mq_storage[NumLogBuffers];
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constinit uintptr_t g_req_mq_storage[NumLogBuffers];
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constinit os::ThreadType g_log_thread;
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util::optional<char *> GetLogBuffer() {
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/* Try to get a log buffer. */
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uintptr_t address;
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if (os::TryReceiveMessageQueue(std::addressof(address), std::addressof(g_buf_mq))) {
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return reinterpret_cast<char *>(address);
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} else {
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return util::nullopt;
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}
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}
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/* TODO: This is a hack because we don't have a proper LogManager system module. */
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/* Eventually, this should be refactored to use normal logging. */
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void DebugLogThreadFunction(void *) {
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/* Loop forever, servicing our log server. */
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while (true) {
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/* Get a socket. */
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int fd;
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while ((fd = htcs::Socket()) == -1) {
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os::SleepThread(TimeSpan::FromSeconds(1));
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}
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/* Ensure we cleanup the socket when we're done with it. */
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ON_SCOPE_EXIT {
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htcs::Close(fd);
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os::SleepThread(TimeSpan::FromSeconds(1));
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};
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/* Create a sock addr for our server. */
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htcs::SockAddrHtcs addr;
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addr.family = htcs::HTCS_AF_HTCS;
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addr.peer_name = htcs::GetPeerNameAny();
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std::strcpy(addr.port_name.name, "iywys@$dmnt2_log");
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/* Bind. */
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if (htcs::Bind(fd, std::addressof(addr)) == -1) {
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continue;
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}
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/* Listen on our port. */
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while (htcs::Listen(fd, 0) == 0) {
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/* Continue accepting clients, so long as we can. */
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int client_fd;
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while (true) {
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/* Try to accept a client. */
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if (client_fd = htcs::Accept(fd, std::addressof(addr)); client_fd < 0) {
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break;
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}
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/* Handle the client. */
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while (true) {
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/* Receive a log request. */
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uintptr_t log_buffer_address;
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os::ReceiveMessageQueue(std::addressof(log_buffer_address), std::addressof(g_req_mq));
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/* Ensure we manage our request properly. */
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ON_SCOPE_EXIT { os::SendMessageQueue(std::addressof(g_buf_mq), log_buffer_address); };
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/* Send the data. */
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const char * const log_buffer = reinterpret_cast<const char *>(log_buffer_address);
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if (htcs::Send(client_fd, log_buffer, std::strlen(log_buffer), 0) < 0) {
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break;
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}
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}
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/* Close the client socket. */
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htcs::Close(client_fd);
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}
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}
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}
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}
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}
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void InitializeDebugLog() {
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/* Initialize logging message queues. */
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os::InitializeMessageQueue(std::addressof(g_buf_mq), g_buf_mq_storage, NumLogBuffers);
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os::InitializeMessageQueue(std::addressof(g_req_mq), g_req_mq_storage, NumLogBuffers);
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/* Initially make all log buffers available. */
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for (size_t i = 0; i < NumLogBuffers; ++i) {
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os::SendMessageQueue(std::addressof(g_buf_mq), reinterpret_cast<uintptr_t>(g_log_buffers[i]));
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}
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/* Create and start the debug log thread. */
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R_ABORT_UNLESS(os::CreateThread(std::addressof(g_log_thread), DebugLogThreadFunction, nullptr, g_log_thread_stack, sizeof(g_log_thread_stack), LogThreadPriority));
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os::StartThread(std::addressof(g_log_thread));
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}
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void DebugLog(const char *prefix, const char *fmt, ...) {
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/* Try to get a log buffer. */
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const auto log_buffer_holder = GetLogBuffer();
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if (!log_buffer_holder) {
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return;
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}
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/* Format into the log buffer. */
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char * const log_buffer = *log_buffer_holder;
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{
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const auto prefix_len = std::strlen(prefix);
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std::memcpy(log_buffer, prefix, prefix_len);
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{
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std::va_list vl;
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va_start(vl, fmt);
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util::VSNPrintf(log_buffer + prefix_len, LogBufferSize - prefix_len, fmt, vl);
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va_end(vl);
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}
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}
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/* Request to log. */
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os::SendMessageQueue(std::addressof(g_req_mq), reinterpret_cast<uintptr_t>(log_buffer));
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}
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}
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#else
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namespace ams::dmnt {
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//#define AMS_DMNT2_ENABLE_SD_CARD_DEBUG_LOG
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#if defined(AMS_DMNT2_ENABLE_SD_CARD_DEBUG_LOG)
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namespace {
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alignas(0x40) constinit u8 g_buffer[os::MemoryPageSize * 4];
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constinit lmem::HeapHandle g_debug_log_heap;
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constinit fs::FileHandle g_debug_log_file;
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constinit os::SdkMutex g_fs_mutex;
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constinit s64 g_fs_offset = 0;
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void *Allocate(size_t size) {
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return lmem::AllocateFromExpHeap(g_debug_log_heap, size);
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}
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void Deallocate(void *p, size_t size) {
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AMS_UNUSED(size);
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return lmem::FreeToExpHeap(g_debug_log_heap, p);
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}
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}
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void InitializeDebugLog() {
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g_debug_log_heap = lmem::CreateExpHeap(g_buffer, sizeof(g_buffer), lmem::CreateOption_ThreadSafe);
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fs::SetAllocator(Allocate, Deallocate);
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fs::InitializeForSystem();
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fs::SetEnabledAutoAbort(false);
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R_ABORT_UNLESS(fs::MountSdCard("sdmc"));
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fs::DeleteFile("sdmc:/dmnt2.log");
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R_ABORT_UNLESS(fs::CreateFile("sdmc:/dmnt2.log", 0));
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R_ABORT_UNLESS(fs::OpenFile(std::addressof(g_debug_log_file), "sdmc:/dmnt2.log", fs::OpenMode_Write | fs::OpenMode_AllowAppend));
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}
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void DebugLog(const char *prefix, const char *fmt, ...) {
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/* Do nothing. */
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char buffer[0x200];
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{
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const auto prefix_len = std::strlen(prefix);
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std::memcpy(buffer, prefix, prefix_len);
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std::va_list vl;
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va_start(vl, fmt);
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util::VSNPrintf(buffer + prefix_len, sizeof(buffer) - prefix_len, fmt, vl);
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va_end(vl);
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}
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const auto len = std::strlen(buffer);
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std::scoped_lock lk(g_fs_mutex);
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R_ABORT_UNLESS(fs::WriteFile(g_debug_log_file, g_fs_offset, buffer, len, fs::WriteOption::Flush));
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g_fs_offset += len;
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}
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#else
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void InitializeDebugLog() {
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/* ... */
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}
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void DebugLog(const char *prefix, const char *fmt, ...) {
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AMS_UNUSED(prefix, fmt);
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}
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#endif
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}
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#endif
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