mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
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122 lines
4.7 KiB
C++
122 lines
4.7 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 "lm_remote_log_service.hpp"
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#include "impl/lm_log_packet_header.hpp"
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#include "impl/lm_log_packet_transmitter.hpp"
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namespace ams::diag::impl {
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void ReplaceDefaultLogObserver(LogObserver observer);
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void ResetDefaultLogObserver();
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void GetProcessNamePointer(const char **out, size_t *out_len);
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}
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namespace ams::lm {
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namespace {
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constinit sf::SharedPointer<ILogger> g_logger = nullptr;
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constexpr inline size_t TransmissionBufferSize = 1_KB;
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constexpr inline size_t TransmissionBufferAlign = alignof(impl::LogPacketHeader);
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constinit os::SdkMutex g_transmission_buffer_mutex;
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alignas(TransmissionBufferAlign) constinit char g_transmission_buffer[TransmissionBufferSize];
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using PushTextFunction = void (impl::LogPacketTransmitter::*)(const char *, size_t);
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bool LogPacketTransmitterFlushFunction(const u8 *data, size_t size) {
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const Result result = g_logger->Log(sf::InAutoSelectBuffer(data, size));
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R_ABORT_UNLESS(result);
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return R_SUCCEEDED(result);
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}
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void InvokePushTextWithUtf8Sanitizing(impl::LogPacketTransmitter &transmitter, PushTextFunction push_func, const char *str) {
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/* Get the string length. */
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const auto len = std::strlen(str);
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if (len == 0 || util::VerifyUtf8String(str, len)) {
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(transmitter.*push_func)(str, len);
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} else {
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(transmitter.*push_func)("(Invalid UTF8 string)", sizeof("(Invalid UTF8 string)") - 1);
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}
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}
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void LogManagerLogObserver(const diag::LogMetaData &meta, const diag::LogBody &body, void *) {
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/* Check pre-conditions. */
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AMS_ASSERT(!meta.use_default_locale_charset);
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/* Acquire access to the transmission buffer. */
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std::scoped_lock lk(g_transmission_buffer_mutex);
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/* Create transmitter. */
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impl::LogPacketTransmitter transmitter(g_transmission_buffer, TransmissionBufferSize, LogPacketTransmitterFlushFunction, static_cast<u8>(meta.severity), static_cast<u8>(meta.verbosity), 0, body.is_head, body.is_tail);
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/* Push head-only logs. */
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if (body.is_head) {
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transmitter.PushUserSystemClock(os::GetSystemTick().ToTimeSpan().GetSeconds());
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transmitter.PushLineNumber(meta.source_info.line_number);
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InvokePushTextWithUtf8Sanitizing(transmitter, &impl::LogPacketTransmitter::PushFileName, meta.source_info.file_name);
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InvokePushTextWithUtf8Sanitizing(transmitter, &impl::LogPacketTransmitter::PushFunctionName, meta.source_info.function_name);
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InvokePushTextWithUtf8Sanitizing(transmitter, &impl::LogPacketTransmitter::PushModuleName, meta.module_name);
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InvokePushTextWithUtf8Sanitizing(transmitter, &impl::LogPacketTransmitter::PushThreadName, os::GetThreadNamePointer(os::GetCurrentThread()));
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const char *process_name;
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size_t process_name_len;
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diag::impl::GetProcessNamePointer(std::addressof(process_name), std::addressof(process_name_len));
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transmitter.PushProcessName(process_name, process_name_len);
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}
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/* Push the actual log. */
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transmitter.PushTextLog(body.message, body.message_size);
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}
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}
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void Initialize() {
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AMS_ABORT_UNLESS(g_logger == nullptr);
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/* Create the logger. */
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{
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auto service = CreateLogService();
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R_ABORT_UNLESS(service->OpenLogger(std::addressof(g_logger), sf::ClientProcessId{}));
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}
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/* Replace the default log observer. */
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diag::impl::ReplaceDefaultLogObserver(LogManagerLogObserver);
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}
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void Finalize() {
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AMS_ABORT_UNLESS(g_logger != nullptr);
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/* Reset the default log observer. */
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diag::impl::ResetDefaultLogObserver();
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/* Destroy the logger. */
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g_logger = nullptr;
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}
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void SetDestination(u32 destination) {
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g_logger->SetDestination(destination);
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}
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}
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