2014-10-28 07:36:00 +00:00
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// Copyright 2014 Citra Emulator Project
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2014-12-17 05:38:14 +00:00
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// Licensed under GPLv2 or any later version
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2014-10-28 07:36:00 +00:00
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// Refer to the license.txt file included.
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#include <algorithm>
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2015-01-21 01:16:47 +00:00
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#include "common/assert.h"
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2014-10-28 07:36:00 +00:00
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#include "common/logging/backend.h"
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#include "common/logging/log.h"
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#include "common/logging/text_formatter.h"
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namespace Log {
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static std::shared_ptr<Logger> global_logger;
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/// Macro listing all log classes. Code should define CLS and SUB as desired before invoking this.
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#define ALL_LOG_CLASSES() \
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CLS(Log) \
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CLS(Common) \
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SUB(Common, Filesystem) \
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SUB(Common, Memory) \
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CLS(Core) \
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SUB(Core, ARM11) \
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SUB(Core, Timing) \
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2014-10-28 07:36:00 +00:00
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CLS(Config) \
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CLS(Debug) \
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SUB(Debug, Emulated) \
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SUB(Debug, GPU) \
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SUB(Debug, Breakpoint) \
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CLS(Kernel) \
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SUB(Kernel, SVC) \
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CLS(Service) \
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SUB(Service, SRV) \
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SUB(Service, FS) \
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SUB(Service, ERR) \
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SUB(Service, APT) \
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SUB(Service, GSP) \
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SUB(Service, AC) \
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SUB(Service, PTM) \
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SUB(Service, LDR) \
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SUB(Service, CFG) \
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SUB(Service, DSP) \
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SUB(Service, HID) \
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SUB(Service, SOC) \
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CLS(HW) \
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SUB(HW, Memory) \
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SUB(HW, LCD) \
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SUB(HW, GPU) \
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CLS(Frontend) \
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CLS(Render) \
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SUB(Render, Software) \
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SUB(Render, OpenGL) \
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CLS(Loader)
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Logger::Logger() {
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// Register logging classes so that they can be queried at runtime
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size_t parent_class;
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all_classes.reserve((size_t)Class::Count);
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#define CLS(x) \
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all_classes.push_back(Class::x); \
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parent_class = all_classes.size() - 1;
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#define SUB(x, y) \
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all_classes.push_back(Class::x##_##y); \
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all_classes[parent_class].num_children += 1;
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ALL_LOG_CLASSES()
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#undef CLS
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#undef SUB
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// Ensures that ALL_LOG_CLASSES isn't missing any entries.
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DEBUG_ASSERT(all_classes.size() == (size_t)Class::Count);
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}
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// GetClassName is a macro defined by Windows.h, grrr...
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const char* Logger::GetLogClassName(Class log_class) {
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switch (log_class) {
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#define CLS(x) case Class::x: return #x;
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#define SUB(x, y) case Class::x##_##y: return #x "." #y;
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ALL_LOG_CLASSES()
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#undef CLS
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#undef SUB
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}
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return "Unknown";
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}
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const char* Logger::GetLevelName(Level log_level) {
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#define LVL(x) case Level::x: return #x
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switch (log_level) {
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LVL(Trace);
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LVL(Debug);
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LVL(Info);
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LVL(Warning);
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LVL(Error);
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LVL(Critical);
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}
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return "Unknown";
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#undef LVL
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}
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void Logger::LogMessage(Entry entry) {
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ring_buffer.Push(std::move(entry));
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}
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size_t Logger::GetEntries(Entry* out_buffer, size_t buffer_len) {
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return ring_buffer.BlockingPop(out_buffer, buffer_len);
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}
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std::shared_ptr<Logger> InitGlobalLogger() {
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global_logger = std::make_shared<Logger>();
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return global_logger;
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}
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Entry CreateEntry(Class log_class, Level log_level,
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const char* filename, unsigned int line_nr, const char* function,
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const char* format, va_list args) {
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using std::chrono::steady_clock;
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using std::chrono::duration_cast;
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static steady_clock::time_point time_origin = steady_clock::now();
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std::array<char, 4 * 1024> formatting_buffer;
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Entry entry;
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entry.timestamp = duration_cast<std::chrono::microseconds>(steady_clock::now() - time_origin);
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entry.log_class = log_class;
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entry.log_level = log_level;
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snprintf(formatting_buffer.data(), formatting_buffer.size(), "%s:%s:%u", filename, function, line_nr);
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entry.location = std::string(formatting_buffer.data());
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vsnprintf(formatting_buffer.data(), formatting_buffer.size(), format, args);
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entry.message = std::string(formatting_buffer.data());
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return std::move(entry);
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}
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void LogMessage(Class log_class, Level log_level,
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const char* filename, unsigned int line_nr, const char* function,
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const char* format, ...) {
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va_list args;
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va_start(args, format);
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Entry entry = CreateEntry(log_class, log_level,
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filename, line_nr, function, format, args);
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va_end(args);
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if (global_logger != nullptr && !global_logger->IsClosed()) {
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global_logger->LogMessage(std::move(entry));
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} else {
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// Fall back to directly printing to stderr
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PrintMessage(entry);
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}
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}
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}
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