summaryrefslogtreecommitdiffstats
path: root/src/common/logging
diff options
context:
space:
mode:
Diffstat (limited to 'src/common/logging')
-rw-r--r--src/common/logging/backend.cpp151
-rw-r--r--src/common/logging/backend.h134
-rw-r--r--src/common/logging/filter.cpp132
-rw-r--r--src/common/logging/filter.h63
-rw-r--r--src/common/logging/log.h115
-rw-r--r--src/common/logging/text_formatter.cpp126
-rw-r--r--src/common/logging/text_formatter.h39
7 files changed, 760 insertions, 0 deletions
diff --git a/src/common/logging/backend.cpp b/src/common/logging/backend.cpp
new file mode 100644
index 000000000..e79b84604
--- /dev/null
+++ b/src/common/logging/backend.cpp
@@ -0,0 +1,151 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <algorithm>
+
+#include "common/log.h" // For _dbg_assert_
+
+#include "common/logging/backend.h"
+#include "common/logging/log.h"
+#include "common/logging/text_formatter.h"
+
+namespace Log {
+
+static std::shared_ptr<Logger> global_logger;
+
+/// Macro listing all log classes. Code should define CLS and SUB as desired before invoking this.
+#define ALL_LOG_CLASSES() \
+ CLS(Log) \
+ CLS(Common) \
+ SUB(Common, Filesystem) \
+ SUB(Common, Memory) \
+ CLS(Core) \
+ SUB(Core, ARM11) \
+ CLS(Config) \
+ CLS(Debug) \
+ SUB(Debug, Emulated) \
+ SUB(Debug, GPU) \
+ SUB(Debug, Breakpoint) \
+ CLS(Kernel) \
+ SUB(Kernel, SVC) \
+ CLS(Service) \
+ SUB(Service, SRV) \
+ SUB(Service, FS) \
+ SUB(Service, APT) \
+ SUB(Service, GSP) \
+ SUB(Service, AC) \
+ SUB(Service, PTM) \
+ SUB(Service, CFG) \
+ SUB(Service, DSP) \
+ SUB(Service, HID) \
+ CLS(HW) \
+ SUB(HW, Memory) \
+ SUB(HW, GPU) \
+ CLS(Frontend) \
+ CLS(Render) \
+ SUB(Render, Software) \
+ SUB(Render, OpenGL) \
+ CLS(Loader)
+
+Logger::Logger() {
+ // Register logging classes so that they can be queried at runtime
+ size_t parent_class;
+ all_classes.reserve((size_t)Class::Count);
+
+#define CLS(x) \
+ all_classes.push_back(Class::x); \
+ parent_class = all_classes.size() - 1;
+#define SUB(x, y) \
+ all_classes.push_back(Class::x##_##y); \
+ all_classes[parent_class].num_children += 1;
+
+ ALL_LOG_CLASSES()
+#undef CLS
+#undef SUB
+
+ // Ensures that ALL_LOG_CLASSES isn't missing any entries.
+ _dbg_assert_(Log, all_classes.size() == (size_t)Class::Count);
+}
+
+// GetClassName is a macro defined by Windows.h, grrr...
+const char* Logger::GetLogClassName(Class log_class) {
+ switch (log_class) {
+#define CLS(x) case Class::x: return #x;
+#define SUB(x, y) case Class::x##_##y: return #x "." #y;
+ ALL_LOG_CLASSES()
+#undef CLS
+#undef SUB
+ }
+ return "Unknown";
+}
+
+const char* Logger::GetLevelName(Level log_level) {
+#define LVL(x) case Level::x: return #x
+ switch (log_level) {
+ LVL(Trace);
+ LVL(Debug);
+ LVL(Info);
+ LVL(Warning);
+ LVL(Error);
+ LVL(Critical);
+ }
+ return "Unknown";
+#undef LVL
+}
+
+void Logger::LogMessage(Entry entry) {
+ ring_buffer.Push(std::move(entry));
+}
+
+size_t Logger::GetEntries(Entry* out_buffer, size_t buffer_len) {
+ return ring_buffer.BlockingPop(out_buffer, buffer_len);
+}
+
+std::shared_ptr<Logger> InitGlobalLogger() {
+ global_logger = std::make_shared<Logger>();
+ return global_logger;
+}
+
+Entry CreateEntry(Class log_class, Level log_level,
+ const char* filename, unsigned int line_nr, const char* function,
+ const char* format, va_list args) {
+ using std::chrono::steady_clock;
+ using std::chrono::duration_cast;
+
+ static steady_clock::time_point time_origin = steady_clock::now();
+
+ std::array<char, 4 * 1024> formatting_buffer;
+
+ Entry entry;
+ entry.timestamp = duration_cast<std::chrono::microseconds>(steady_clock::now() - time_origin);
+ entry.log_class = log_class;
+ entry.log_level = log_level;
+
+ snprintf(formatting_buffer.data(), formatting_buffer.size(), "%s:%s:%u", filename, function, line_nr);
+ entry.location = std::string(formatting_buffer.data());
+
+ vsnprintf(formatting_buffer.data(), formatting_buffer.size(), format, args);
+ entry.message = std::string(formatting_buffer.data());
+
+ return std::move(entry);
+}
+
+void LogMessage(Class log_class, Level log_level,
+ const char* filename, unsigned int line_nr, const char* function,
+ const char* format, ...) {
+ va_list args;
+ va_start(args, format);
+ Entry entry = CreateEntry(log_class, log_level,
+ filename, line_nr, function, format, args);
+ va_end(args);
+
+ if (global_logger != nullptr && !global_logger->IsClosed()) {
+ global_logger->LogMessage(std::move(entry));
+ } else {
+ // Fall back to directly printing to stderr
+ PrintMessage(entry);
+ }
+}
+
+}
diff --git a/src/common/logging/backend.h b/src/common/logging/backend.h
new file mode 100644
index 000000000..ae270efe8
--- /dev/null
+++ b/src/common/logging/backend.h
@@ -0,0 +1,134 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstdarg>
+#include <memory>
+#include <vector>
+
+#include "common/concurrent_ring_buffer.h"
+
+#include "common/logging/log.h"
+
+namespace Log {
+
+/**
+ * A log entry. Log entries are store in a structured format to permit more varied output
+ * formatting on different frontends, as well as facilitating filtering and aggregation.
+ */
+struct Entry {
+ std::chrono::microseconds timestamp;
+ Class log_class;
+ Level log_level;
+ std::string location;
+ std::string message;
+
+ Entry() = default;
+
+ // TODO(yuriks) Use defaulted move constructors once MSVC supports them
+#define MOVE(member) member(std::move(o.member))
+ Entry(Entry&& o)
+ : MOVE(timestamp), MOVE(log_class), MOVE(log_level),
+ MOVE(location), MOVE(message)
+ {}
+#undef MOVE
+
+ Entry& operator=(const Entry&& o) {
+#define MOVE(member) member = std::move(o.member)
+ MOVE(timestamp);
+ MOVE(log_class);
+ MOVE(log_level);
+ MOVE(location);
+ MOVE(message);
+#undef MOVE
+ return *this;
+ }
+};
+
+struct ClassInfo {
+ Class log_class;
+
+ /**
+ * Total number of (direct or indirect) sub classes this class has. If any, they follow in
+ * sequence after this class in the class list.
+ */
+ unsigned int num_children = 0;
+
+ ClassInfo(Class log_class) : log_class(log_class) {}
+};
+
+/**
+ * Logging management class. This class has the dual purpose of acting as an exchange point between
+ * the logging clients and the log outputter, as well as containing reflection info about available
+ * log classes.
+ */
+class Logger {
+private:
+ using Buffer = Common::ConcurrentRingBuffer<Entry, 16 * 1024 / sizeof(Entry)>;
+
+public:
+ static const size_t QUEUE_CLOSED = Buffer::QUEUE_CLOSED;
+
+ Logger();
+
+ /**
+ * Returns a list of all vector classes and subclasses. The sequence returned is a pre-order of
+ * classes and subclasses, which together with the `num_children` field in ClassInfo, allows
+ * you to recover the hierarchy.
+ */
+ const std::vector<ClassInfo>& GetClasses() const { return all_classes; }
+
+ /**
+ * Returns the name of the passed log class as a C-string. Subclasses are separated by periods
+ * instead of underscores as in the enumeration.
+ */
+ static const char* GetLogClassName(Class log_class);
+
+ /**
+ * Returns the name of the passed log level as a C-string.
+ */
+ static const char* GetLevelName(Level log_level);
+
+ /**
+ * Appends a messages to the log buffer.
+ * @note This function is thread safe.
+ */
+ void LogMessage(Entry entry);
+
+ /**
+ * Retrieves a batch of messages from the log buffer, blocking until they are available.
+ * @note This function is thread safe.
+ *
+ * @param out_buffer Destination buffer that will receive the log entries.
+ * @param buffer_len The maximum size of `out_buffer`.
+ * @return The number of entries stored. In case the logger is shutting down, `QUEUE_CLOSED` is
+ * returned, no entries are stored and the logger should shutdown.
+ */
+ size_t GetEntries(Entry* out_buffer, size_t buffer_len);
+
+ /**
+ * Initiates a shutdown of the logger. This will indicate to log output clients that they
+ * should shutdown.
+ */
+ void Close() { ring_buffer.Close(); }
+
+ /**
+ * Returns true if Close() has already been called on the Logger.
+ */
+ bool IsClosed() const { return ring_buffer.IsClosed(); }
+
+private:
+ Buffer ring_buffer;
+ std::vector<ClassInfo> all_classes;
+};
+
+/// Creates a log entry by formatting the given source location, and message.
+Entry CreateEntry(Class log_class, Level log_level,
+ const char* filename, unsigned int line_nr, const char* function,
+ const char* format, va_list args);
+/// Initializes the default Logger.
+std::shared_ptr<Logger> InitGlobalLogger();
+
+}
diff --git a/src/common/logging/filter.cpp b/src/common/logging/filter.cpp
new file mode 100644
index 000000000..0cf9b05e7
--- /dev/null
+++ b/src/common/logging/filter.cpp
@@ -0,0 +1,132 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <algorithm>
+
+#include "common/logging/filter.h"
+#include "common/logging/backend.h"
+#include "common/string_util.h"
+
+namespace Log {
+
+Filter::Filter(Level default_level) {
+ ResetAll(default_level);
+}
+
+void Filter::ResetAll(Level level) {
+ class_levels.fill(level);
+}
+
+void Filter::SetClassLevel(Class log_class, Level level) {
+ class_levels[static_cast<size_t>(log_class)] = level;
+}
+
+void Filter::SetSubclassesLevel(const ClassInfo& log_class, Level level) {
+ const size_t log_class_i = static_cast<size_t>(log_class.log_class);
+
+ const size_t begin = log_class_i + 1;
+ const size_t end = begin + log_class.num_children;
+ for (size_t i = begin; begin < end; ++i) {
+ class_levels[i] = level;
+ }
+}
+
+void Filter::ParseFilterString(const std::string& filter_str) {
+ auto clause_begin = filter_str.cbegin();
+ while (clause_begin != filter_str.cend()) {
+ auto clause_end = std::find(clause_begin, filter_str.cend(), ' ');
+
+ // If clause isn't empty
+ if (clause_end != clause_begin) {
+ ParseFilterRule(clause_begin, clause_end);
+ }
+
+ if (clause_end != filter_str.cend()) {
+ // Skip over the whitespace
+ ++clause_end;
+ }
+ clause_begin = clause_end;
+ }
+}
+
+template <typename It>
+static Level GetLevelByName(const It begin, const It end) {
+ for (u8 i = 0; i < static_cast<u8>(Level::Count); ++i) {
+ const char* level_name = Logger::GetLevelName(static_cast<Level>(i));
+ if (Common::ComparePartialString(begin, end, level_name)) {
+ return static_cast<Level>(i);
+ }
+ }
+ return Level::Count;
+}
+
+template <typename It>
+static Class GetClassByName(const It begin, const It end) {
+ for (ClassType i = 0; i < static_cast<ClassType>(Class::Count); ++i) {
+ const char* level_name = Logger::GetLogClassName(static_cast<Class>(i));
+ if (Common::ComparePartialString(begin, end, level_name)) {
+ return static_cast<Class>(i);
+ }
+ }
+ return Class::Count;
+}
+
+template <typename InputIt, typename T>
+static InputIt find_last(InputIt begin, const InputIt end, const T& value) {
+ auto match = end;
+ while (begin != end) {
+ auto new_match = std::find(begin, end, value);
+ if (new_match != end) {
+ match = new_match;
+ ++new_match;
+ }
+ begin = new_match;
+ }
+ return match;
+}
+
+bool Filter::ParseFilterRule(const std::string::const_iterator begin,
+ const std::string::const_iterator end) {
+ auto level_separator = std::find(begin, end, ':');
+ if (level_separator == end) {
+ LOG_ERROR(Log, "Invalid log filter. Must specify a log level after `:`: %s",
+ std::string(begin, end).c_str());
+ return false;
+ }
+
+ const Level level = GetLevelByName(level_separator + 1, end);
+ if (level == Level::Count) {
+ LOG_ERROR(Log, "Unknown log level in filter: %s", std::string(begin, end).c_str());
+ return false;
+ }
+
+ if (Common::ComparePartialString(begin, level_separator, "*")) {
+ ResetAll(level);
+ return true;
+ }
+
+ auto class_name_end = find_last(begin, level_separator, '.');
+ if (class_name_end != level_separator &&
+ !Common::ComparePartialString(class_name_end + 1, level_separator, "*")) {
+ class_name_end = level_separator;
+ }
+
+ const Class log_class = GetClassByName(begin, class_name_end);
+ if (log_class == Class::Count) {
+ LOG_ERROR(Log, "Unknown log class in filter: %s", std::string(begin, end).c_str());
+ return false;
+ }
+
+ if (class_name_end == level_separator) {
+ SetClassLevel(log_class, level);
+ }
+ SetSubclassesLevel(log_class, level);
+ return true;
+}
+
+bool Filter::CheckMessage(Class log_class, Level level) const {
+ return static_cast<u8>(level) >= static_cast<u8>(class_levels[static_cast<size_t>(log_class)]);
+}
+
+}
diff --git a/src/common/logging/filter.h b/src/common/logging/filter.h
new file mode 100644
index 000000000..32b14b159
--- /dev/null
+++ b/src/common/logging/filter.h
@@ -0,0 +1,63 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <array>
+#include <string>
+
+#include "common/logging/log.h"
+
+namespace Log {
+
+struct ClassInfo;
+
+/**
+ * Implements a log message filter which allows different log classes to have different minimum
+ * severity levels. The filter can be changed at runtime and can be parsed from a string to allow
+ * editing via the interface or loading from a configuration file.
+ */
+class Filter {
+public:
+ /// Initializes the filter with all classes having `default_level` as the minimum level.
+ Filter(Level default_level);
+
+ /// Resets the filter so that all classes have `level` as the minimum displayed level.
+ void ResetAll(Level level);
+ /// Sets the minimum level of `log_class` (and not of its subclasses) to `level`.
+ void SetClassLevel(Class log_class, Level level);
+ /**
+ * Sets the minimum level of all of `log_class` subclasses to `level`. The level of `log_class`
+ * itself is not changed.
+ */
+ void SetSubclassesLevel(const ClassInfo& log_class, Level level);
+
+ /**
+ * Parses a filter string and applies it to this filter.
+ *
+ * A filter string consists of a space-separated list of filter rules, each of the format
+ * `<class>:<level>`. `<class>` is a log class name, with subclasses separated using periods.
+ * A rule for a given class also affects all of its subclasses. `*` wildcards are allowed and
+ * can be used to apply a rule to all classes or to all subclasses of a class without affecting
+ * the parent class. `<level>` a severity level name which will be set as the minimum logging
+ * level of the matched classes. Rules are applied left to right, with each rule overriding
+ * previous ones in the sequence.
+ *
+ * A few examples of filter rules:
+ * - `*:Info` -- Resets the level of all classes to Info.
+ * - `Service:Info` -- Sets the level of Service and all subclasses (Service.FS, Service.APT,
+ * etc.) to Info.
+ * - `Service.*:Debug` -- Sets the level of all Service subclasses to Debug, while leaving the
+ * level of Service unchanged.
+ * - `Service.FS:Trace` -- Sets the level of the Service.FS class to Trace.
+ */
+ void ParseFilterString(const std::string& filter_str);
+ bool ParseFilterRule(const std::string::const_iterator start, const std::string::const_iterator end);
+
+ /// Matches class/level combination against the filter, returning true if it passed.
+ bool CheckMessage(Class log_class, Level level) const;
+
+private:
+ std::array<Level, (size_t)Class::Count> class_levels;
+};
+
+}
diff --git a/src/common/logging/log.h b/src/common/logging/log.h
new file mode 100644
index 000000000..1eec34fbb
--- /dev/null
+++ b/src/common/logging/log.h
@@ -0,0 +1,115 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cassert>
+#include <chrono>
+#include <string>
+
+#include "common/common_types.h"
+
+namespace Log {
+
+/// Specifies the severity or level of detail of the log message.
+enum class Level : u8 {
+ Trace, ///< Extremely detailed and repetitive debugging information that is likely to
+ /// pollute logs.
+ Debug, ///< Less detailed debugging information.
+ Info, ///< Status information from important points during execution.
+ Warning, ///< Minor or potential problems found during execution of a task.
+ Error, ///< Major problems found during execution of a task that prevent it from being
+ /// completed.
+ Critical, ///< Major problems during execution that threathen the stability of the entire
+ /// application.
+
+ Count ///< Total number of logging levels
+};
+
+typedef u8 ClassType;
+
+/**
+ * Specifies the sub-system that generated the log message.
+ *
+ * @note If you add a new entry here, also add a corresponding one to `ALL_LOG_CLASSES` in log.cpp.
+ */
+enum class Class : ClassType {
+ Log, ///< Messages about the log system itself
+ Common, ///< Library routines
+ Common_Filesystem, ///< Filesystem interface library
+ Common_Memory, ///< Memory mapping and management functions
+ Core, ///< LLE emulation core
+ Core_ARM11, ///< ARM11 CPU core
+ Config, ///< Emulator configuration (including commandline)
+ Debug, ///< Debugging tools
+ Debug_Emulated, ///< Debug messages from the emulated programs
+ Debug_GPU, ///< GPU debugging tools
+ Debug_Breakpoint, ///< Logging breakpoints and watchpoints
+ Kernel, ///< The HLE implementation of the CTR kernel
+ Kernel_SVC, ///< Kernel system calls
+ Service, ///< HLE implementation of system services. Each major service
+ /// should have its own subclass.
+ Service_SRV, ///< The SRV (Service Directory) implementation
+ Service_FS, ///< The FS (Filesystem) service implementation
+ Service_APT, ///< The APT (Applets) service
+ Service_GSP, ///< The GSP (GPU control) service
+ Service_AC, ///< The AC (WiFi status) service
+ Service_PTM, ///< The PTM (Power status & misc.) service
+ Service_CFG, ///< The CFG (Configuration) service
+ Service_DSP, ///< The DSP (DSP control) service
+ Service_HID, ///< The HID (User input) service
+ HW, ///< Low-level hardware emulation
+ HW_Memory, ///< Memory-map and address translation
+ HW_GPU, ///< GPU control emulation
+ Frontend, ///< Emulator UI
+ Render, ///< Emulator video output and hardware acceleration
+ Render_Software, ///< Software renderer backend
+ Render_OpenGL, ///< OpenGL backend
+ Loader, ///< ROM loader
+
+ Count ///< Total number of logging classes
+};
+
+/**
+ * Level below which messages are simply discarded without buffering regardless of the display
+ * settings.
+ */
+const Level MINIMUM_LEVEL =
+#ifdef _DEBUG
+ Level::Trace;
+#else
+ Level::Debug;
+#endif
+
+/**
+ * Logs a message to the global logger. This proxy exists to avoid exposing the details of the
+ * Logger class, including the ConcurrentRingBuffer template, to all files that desire to log
+ * messages, reducing unecessary recompilations.
+ */
+void LogMessage(Class log_class, Level log_level,
+ const char* filename, unsigned int line_nr, const char* function,
+#ifdef _MSC_VER
+ _Printf_format_string_
+#endif
+ const char* format, ...)
+#ifdef __GNUC__
+ __attribute__((format(printf, 6, 7)))
+#endif
+ ;
+
+} // namespace Log
+
+#define LOG_GENERIC(log_class, log_level, ...) \
+ do { \
+ if (::Log::Level::log_level >= ::Log::MINIMUM_LEVEL) \
+ ::Log::LogMessage(::Log::Class::log_class, ::Log::Level::log_level, \
+ __FILE__, __LINE__, __func__, __VA_ARGS__); \
+ } while (0)
+
+#define LOG_TRACE( log_class, ...) LOG_GENERIC(log_class, Trace, __VA_ARGS__)
+#define LOG_DEBUG( log_class, ...) LOG_GENERIC(log_class, Debug, __VA_ARGS__)
+#define LOG_INFO( log_class, ...) LOG_GENERIC(log_class, Info, __VA_ARGS__)
+#define LOG_WARNING( log_class, ...) LOG_GENERIC(log_class, Warning, __VA_ARGS__)
+#define LOG_ERROR( log_class, ...) LOG_GENERIC(log_class, Error, __VA_ARGS__)
+#define LOG_CRITICAL(log_class, ...) LOG_GENERIC(log_class, Critical, __VA_ARGS__)
diff --git a/src/common/logging/text_formatter.cpp b/src/common/logging/text_formatter.cpp
new file mode 100644
index 000000000..3fe435346
--- /dev/null
+++ b/src/common/logging/text_formatter.cpp
@@ -0,0 +1,126 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <array>
+#include <cstdio>
+
+#ifdef _WIN32
+# define WIN32_LEAN_AND_MEAN
+# include <Windows.h>
+#endif
+
+#include "common/logging/backend.h"
+#include "common/logging/filter.h"
+#include "common/logging/log.h"
+#include "common/logging/text_formatter.h"
+
+#include "common/string_util.h"
+
+namespace Log {
+
+// TODO(bunnei): This should be moved to a generic path manipulation library
+const char* TrimSourcePath(const char* path, const char* root) {
+ const char* p = path;
+
+ while (*p != '\0') {
+ const char* next_slash = p;
+ while (*next_slash != '\0' && *next_slash != '/' && *next_slash != '\\') {
+ ++next_slash;
+ }
+
+ bool is_src = Common::ComparePartialString(p, next_slash, root);
+ p = next_slash;
+
+ if (*p != '\0') {
+ ++p;
+ }
+ if (is_src) {
+ path = p;
+ }
+ }
+ return path;
+}
+
+void FormatLogMessage(const Entry& entry, char* out_text, size_t text_len) {
+ 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 = Logger::GetLogClassName(entry.log_class);
+ const char* level_name = Logger::GetLevelName(entry.log_level);
+
+ snprintf(out_text, text_len, "[%4u.%06u] %s <%s> %s: %s",
+ time_seconds, time_fractional, class_name, level_name,
+ TrimSourcePath(entry.location.c_str()), entry.message.c_str());
+}
+
+static void ChangeConsoleColor(Level level) {
+#ifdef _WIN32
+ static HANDLE console_handle = GetStdHandle(STD_ERROR_HANDLE);
+
+ WORD color = 0;
+ switch (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;
+ }
+
+ SetConsoleTextAttribute(console_handle, color);
+#else
+#define ESC "\x1b"
+ const char* color = "";
+ switch (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;
+ }
+#undef ESC
+
+ fputs(color, stderr);
+#endif
+}
+
+void PrintMessage(const Entry& entry) {
+ ChangeConsoleColor(entry.log_level);
+ std::array<char, 4 * 1024> format_buffer;
+ FormatLogMessage(entry, format_buffer.data(), format_buffer.size());
+ fputs(format_buffer.data(), stderr);
+ fputc('\n', stderr);
+}
+
+void TextLoggingLoop(std::shared_ptr<Logger> logger, const Filter* filter) {
+ std::array<Entry, 256> entry_buffer;
+
+ while (true) {
+ size_t num_entries = logger->GetEntries(entry_buffer.data(), entry_buffer.size());
+ if (num_entries == Logger::QUEUE_CLOSED) {
+ break;
+ }
+ for (size_t i = 0; i < num_entries; ++i) {
+ const Entry& entry = entry_buffer[i];
+ if (filter->CheckMessage(entry.log_class, entry.log_level)) {
+ PrintMessage(entry);
+ }
+ }
+ }
+}
+
+}
diff --git a/src/common/logging/text_formatter.h b/src/common/logging/text_formatter.h
new file mode 100644
index 000000000..d7e298e28
--- /dev/null
+++ b/src/common/logging/text_formatter.h
@@ -0,0 +1,39 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <cstddef>
+#include <memory>
+
+namespace Log {
+
+class Logger;
+struct Entry;
+class Filter;
+
+/**
+ * Attempts to trim an arbitrary prefix from `path`, leaving only the part starting at `root`. It's
+ * intended to be used to strip a system-specific build directory from the `__FILE__` macro,
+ * leaving only the path relative to the sources root.
+ *
+ * @param path The input file path as a null-terminated string
+ * @param root The name of the root source directory as a null-terminated string. Path up to and
+ * including the last occurence of this name will be stripped
+ * @return A pointer to the same string passed as `path`, but starting at the trimmed portion
+ */
+const char* TrimSourcePath(const char* path, const char* root = "src");
+
+/// Formats a log entry into the provided text buffer.
+void FormatLogMessage(const Entry& entry, char* out_text, size_t text_len);
+/// Formats and prints a log entry to stderr.
+void PrintMessage(const Entry& entry);
+
+/**
+ * Logging loop that repeatedly reads messages from the provided logger and prints them to the
+ * console. It is the baseline barebones log outputter.
+ */
+void TextLoggingLoop(std::shared_ptr<Logger> logger, const Filter* filter);
+
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 09:44:47 +0100