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[logging, debugger] remove unescesary logic and only query USER env variable once (#2800)

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- censoring an username would lead to the variable being queried everytime something is written, just store it on a static
- dont use a map<> for something that can be done in a switch statment (and that the compiler will optimise for free!!!)
Signed-off-by: lizzie <lizzie@eden-emu.dev>

Reviewed-on: https://git.eden-emu.dev/eden-emu/eden/pulls/2800
Reviewed-by: crueter <crueter@eden-emu.dev>
Co-authored-by: lizzie <lizzie@eden-emu.dev>
Co-committed-by: lizzie <lizzie@eden-emu.dev>
This commit is contained in:
lizzie 2025-10-27 20:55:01 +01:00 • committed by crueter
parent 8fa36a7737
commit dd9cae4ebc
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GPG key ID: 425ACD2D4830EBC6
5 changed files with 267 additions and 434 deletions
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62
src/common/logging/backend.cpp
View file

@ -53,11 +53,8 @@ constexpr const char* TrimSourcePath(std::string_view source) {
class Backend {
public:
virtual ~Backend() = default;
virtual void Write(const Entry& entry) = 0;
virtual void EnableForStacktrace() = 0;
virtual void Flush() = 0;
};
@ -65,13 +62,11 @@ public:
class ColorConsoleBackend final : public Backend {
public:
explicit ColorConsoleBackend() = default;
~ColorConsoleBackend() override = default;
void Write(const Entry& entry) override {
if (enabled.load(std::memory_order_relaxed)) {
if (enabled.load(std::memory_order_relaxed))
PrintColoredMessage(entry);
}
}
void Flush() override {
@ -97,51 +92,50 @@ public:
auto old_filename = filename;
old_filename += ".old.txt";
// Existence checks are done within the functions themselves.
// We don't particularly care if these succeed or not.
// Existence checks are done within the functions themselves.
// We don't particularly care if these succeed or not.
static_cast<void>(FS::RemoveFile(old_filename));
static_cast<void>(FS::RenameFile(filename, old_filename));
file = std::make_unique<FS::IOFile>(filename, FS::FileAccessMode::Write,
FS::FileType::TextFile);
file = std::make_unique<FS::IOFile>(filename, FS::FileAccessMode::Write, FS::FileType::TextFile);
}
~FileBackend() override = default;
void Write(const Entry& entry) override {
if (!enabled) {
if (!enabled)
return;
}
auto message = FormatLogMessage(entry).append(1, '\n');
#ifndef ANDROID
#ifndef __ANDROID__
if (Settings::values.censor_username.GetValue()) {
char* username = getenv("USER");
if (!username) {
username = getenv("USERNAME");
}
boost::replace_all(message, username, "user");
// This must be a static otherwise it would get checked on EVERY
// instance of logging an entry...
static std::string username = []() -> std::string {
auto* s = getenv("USER");
if (s == nullptr)
s = getenv("USERNAME");
return std::string{s};
}();
if (!username.empty())
boost::replace_all(message, username, "user");
}
#endif
bytes_written += file->WriteString(message);
// Option to log each line rather than 4k buffers
if (Settings::values.log_flush_line.GetValue()) {
if (Settings::values.log_flush_line.GetValue())
file->Flush();
}
using namespace Common::Literals;
// Prevent logs from exceeding a set maximum size in the event that log entries are spammed.
const auto write_limit = Settings::values.extended_logging.GetValue() ? 1_GiB : 100_MiB;
const bool write_limit_exceeded = bytes_written > write_limit;
if (entry.log_level >= Level::Error || write_limit_exceeded) {
if (write_limit_exceeded) {
// Stop writing after the write limit is exceeded.
// Don't close the file so we can print a stacktrace if necessary
// Stop writing after the write limit is exceeded.
// Don't close the file so we can print a stacktrace if necessary
if (write_limit_exceeded)
enabled = false;
}
file->Flush();
}
}
@ -157,8 +151,8 @@ public:
private:
std::unique_ptr<FS::IOFile> file;
bool enabled = true;
std::size_t bytes_written = 0;
bool enabled = true;
};
/**
@ -209,9 +203,8 @@ bool initialization_in_progress_suppress_logging = true;
class Impl {
public:
static Impl& Instance() {
if (!instance) {
if (!instance)
throw std::runtime_error("Using Logging instance before its initialization");
}
return *instance;
}
@ -277,25 +270,21 @@ private:
};
while (!stop_token.stop_requested()) {
message_queue.PopWait(entry, stop_token);
if (entry.filename != nullptr) {
if (entry.filename != nullptr)
write_logs();
}
}
// Drain the logging queue. Only writes out up to MAX_LOGS_TO_WRITE to prevent a
// case where a system is repeatedly spamming logs even on close.
int max_logs_to_write = filter.IsDebug() ? INT_MAX : 100;
while (max_logs_to_write-- && message_queue.TryPop(entry)) {
while (max_logs_to_write-- && message_queue.TryPop(entry))
write_logs();
}
});
}
void StopBackendThread() {
backend_thread.request_stop();
if (backend_thread.joinable()) {
if (backend_thread.joinable())
backend_thread.join();
}
ForEachBackend([](Backend& backend) { backend.Flush(); });
}
@ -304,7 +293,6 @@ private:
using std::chrono::duration_cast;
using std::chrono::microseconds;
using std::chrono::steady_clock;
return {
.timestamp = duration_cast<microseconds>(steady_clock::now() - time_origin),
.log_class = log_class,

149
src/common/logging/text_formatter.cpp
View file

@ -1,14 +1,17 @@
// SPDX-FileCopyrightText: Copyright 2025 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: 2014 Citra Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include <array>
#include <cstdio>
#include <cstdint>
#include <string>
#ifdef _WIN32
#include <windows.h>
#endif
#ifdef ANDROID
#elif defined(__ANDROID__)
#include <android/log.h>
#endif
@ -21,123 +24,77 @@
namespace Common::Log {
std::string FormatLogMessage(const Entry& entry) {
unsigned int time_seconds = static_cast<unsigned int>(entry.timestamp.count() / 1000000);
unsigned int time_fractional = static_cast<unsigned int>(entry.timestamp.count() % 1000000);
const char* class_name = GetLogClassName(entry.log_class);
const char* level_name = GetLevelName(entry.log_level);
auto const time_seconds = uint32_t(entry.timestamp.count() / 1000000);
auto const time_fractional = uint32_t(entry.timestamp.count() % 1000000);
char const* class_name = GetLogClassName(entry.log_class);
char const* level_name = GetLevelName(entry.log_level);
return fmt::format("[{:4d}.{:06d}] {} <{}> {}:{}:{}: {}", time_seconds, time_fractional,
class_name, level_name, entry.filename, entry.function, entry.line_num,
entry.message);
}
void PrintMessage(const Entry& entry) {
const auto str = FormatLogMessage(entry).append(1, '\n');
fputs(str.c_str(), stderr);
#ifdef _WIN32
auto const str = FormatLogMessage(entry).append(1, '\n');
#else
#define ESC "\x1b"
auto str = std::string{[&entry]() -> const char* {
switch (entry.log_level) {
case Level::Debug: return ESC "[0;36m"; // Cyan
case Level::Info: return ESC "[0;37m"; // Bright gray
case Level::Warning: return ESC "[1;33m"; // Bright yellow
case Level::Error: return ESC "[1;31m"; // Bright red
case Level::Critical: return ESC "[1;35m"; // Bright magenta
default: return ESC "[1;30m"; // Grey
}
}()};
str.append(FormatLogMessage(entry));
str.append(ESC "[0m\n");
#undef ESC
#endif
fwrite(str.c_str(), 1, str.size(), stderr);
}
void PrintColoredMessage(const Entry& entry) {
#ifdef _WIN32
HANDLE console_handle = GetStdHandle(STD_ERROR_HANDLE);
if (console_handle == INVALID_HANDLE_VALUE) {
if (console_handle == INVALID_HANDLE_VALUE)
return;
}
CONSOLE_SCREEN_BUFFER_INFO original_info = {};
GetConsoleScreenBufferInfo(console_handle, &original_info);
WORD color = 0;
switch (entry.log_level) {
case Level::Trace: // Grey
color = FOREGROUND_INTENSITY;
break;
case Level::Debug: // Cyan
color = FOREGROUND_GREEN | FOREGROUND_BLUE;
break;
case Level::Info: // Bright gray
color = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE;
break;
case Level::Warning: // Bright yellow
color = FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
break;
case Level::Error: // Bright red
color = FOREGROUND_RED | FOREGROUND_INTENSITY;
break;
case Level::Critical: // Bright magenta
color = FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY;
break;
case Level::Count:
UNREACHABLE();
}
WORD color = WORD([&entry]() {
switch (entry.log_level) {
case Level::Debug: return FOREGROUND_GREEN | FOREGROUND_BLUE; // Cyan
case Level::Info: return FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_BLUE; // Bright gray
case Level::Warning: return FOREGROUND_RED | FOREGROUND_GREEN | FOREGROUND_INTENSITY;
case Level::Error: return FOREGROUND_RED | FOREGROUND_INTENSITY;
case Level::Critical: return FOREGROUND_RED | FOREGROUND_BLUE | FOREGROUND_INTENSITY;
default: break;
}
return FOREGROUND_INTENSITY; // Grey
}());
SetConsoleTextAttribute(console_handle, color);
#else
#define ESC "\x1b"
const char* color = "";
switch (entry.log_level) {
case Level::Trace: // Grey
color = ESC "[1;30m";
break;
case Level::Debug: // Cyan
color = ESC "[0;36m";
break;
case Level::Info: // Bright gray
color = ESC "[0;37m";
break;
case Level::Warning: // Bright yellow
color = ESC "[1;33m";
break;
case Level::Error: // Bright red
color = ESC "[1;31m";
break;
case Level::Critical: // Bright magenta
color = ESC "[1;35m";
break;
case Level::Count:
UNREACHABLE();
}
fputs(color, stderr);
#endif
PrintMessage(entry);
#ifdef _WIN32
SetConsoleTextAttribute(console_handle, original_info.wAttributes);
#else
fputs(ESC "[0m", stderr);
#undef ESC
#endif
}
void PrintMessageToLogcat(const Entry& entry) {
#ifdef ANDROID
const auto str = FormatLogMessage(entry);
android_LogPriority android_log_priority;
switch (entry.log_level) {
case Level::Trace:
android_log_priority = ANDROID_LOG_VERBOSE;
break;
case Level::Debug:
android_log_priority = ANDROID_LOG_DEBUG;
break;
case Level::Info:
android_log_priority = ANDROID_LOG_INFO;
break;
case Level::Warning:
android_log_priority = ANDROID_LOG_WARN;
break;
case Level::Error:
android_log_priority = ANDROID_LOG_ERROR;
break;
case Level::Critical:
android_log_priority = ANDROID_LOG_FATAL;
break;
case Level::Count:
UNREACHABLE();
}
android_LogPriority android_log_priority = [&]() {
switch (entry.log_level) {
case Level::Debug: return ANDROID_LOG_DEBUG;
case Level::Info: return ANDROID_LOG_INFO;
case Level::Warning: return ANDROID_LOG_WARN;
case Level::Error: return ANDROID_LOG_ERROR;
case Level::Critical: return ANDROID_LOG_FATAL;
case Level::Count:
case Level::Trace: return ANDROID_LOG_VERBOSE;
}
}();
auto const str = FormatLogMessage(entry);
__android_log_print(android_log_priority, "YuzuNative", "%s", str.c_str());
#endif
}