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Merge pull request #5823 from SachinVin/dyn

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Android: Backport easy stuff
This commit is contained in:
SachinVin 2021-10-03 18:58:20 +05:30 • committed by GitHub
commit 6183b5d76c
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GPG key ID: 4AEE18F83AFDEB23
43 changed files with 1052 additions and 365 deletions
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24
src/common/logging/backend.cpp
View file

@ -26,6 +26,10 @@
namespace Log {
Filter filter;
void SetGlobalFilter(const Filter& f) {
filter = f;
}
/**
* Static state as a singleton.
*/
@ -58,14 +62,6 @@ public:
backends.erase(it, backends.end());
}
const Filter& GetGlobalFilter() const {
return filter;
}
void SetGlobalFilter(const Filter& f) {
filter = f;
}
Backend* GetBackend(std::string_view backend_name) {
const auto it =
std::find_if(backends.begin(), backends.end(),
@ -144,6 +140,10 @@ void ColorConsoleBackend::Write(const Entry& entry) {
PrintColoredMessage(entry);
}
void LogcatBackend::Write(const Entry& entry) {
PrintMessageToLogcat(entry);
}
FileBackend::FileBackend(const std::string& filename) : bytes_written(0) {
if (FileUtil::Exists(filename + ".old.txt")) {
FileUtil::Delete(filename + ".old.txt");
@ -283,10 +283,6 @@ const char* GetLevelName(Level log_level) {
return "Invalid";
}
void SetGlobalFilter(const Filter& filter) {
Impl::Instance().SetGlobalFilter(filter);
}
void AddBackend(std::unique_ptr<Backend> backend) {
Impl::Instance().AddBackend(std::move(backend));
}
@ -303,10 +299,6 @@ void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename,
unsigned int line_num, const char* function, const char* format,
const fmt::format_args& args) {
auto& instance = Impl::Instance();
const auto& filter = instance.GetGlobalFilter();
if (!filter.CheckMessage(log_class, log_level))
return;
instance.PushEntry(log_class, log_level, filename, line_num, function,
fmt::vformat(format, args));
}

23
src/common/logging/backend.h
View file

@ -14,8 +14,6 @@
namespace Log {
class Filter;
/**
* 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.
@ -83,6 +81,21 @@ public:
void Write(const Entry& entry) override;
};
/**
* Backend that writes to the Android logcat
*/
class LogcatBackend : public Backend {
public:
static const char* Name() {
return "logcat";
}
const char* GetName() const override {
return Name();
}
void Write(const Entry& entry) override;
};
/**
* Backend that writes to a file passed into the constructor
*/
@ -136,10 +149,4 @@ const char* GetLogClassName(Class log_class);
*/
const char* GetLevelName(Level log_level);
/**
* The global filter will prevent any messages from even being processed if they are filtered. Each
* backend can have a filter, but if the level is lower than the global filter, the backend will
* never get the message
*/
void SetGlobalFilter(const Filter& filter);
} // namespace Log

41
src/common/logging/filter.h
View file

@ -9,43 +9,4 @@
#include <string_view>
#include "common/logging/log.h"
namespace Log {
/**
* 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.
explicit Filter(Level default_level = Level::Info);
/// 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);
/**
* 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.
* `*` is allowed as a class name and will reset all filters to the specified level. `<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 to Info.
* - `Service.FS:Trace` -- Sets the level of the Service.FS class to Trace.
*/
void ParseFilterString(std::string_view filter_view);
/// Matches class/level combination against the filter, returning true if it passed.
bool CheckMessage(Class log_class, Level level) const;
private:
std::array<Level, static_cast<std::size_t>(Class::Count)> class_levels;
};
} // namespace Log
namespace Log {} // namespace Log

47
src/common/logging/log.h
View file

@ -4,13 +4,14 @@
#pragma once
#include <array>
#include <fmt/format.h>
#include "common/common_types.h"
namespace Log {
// trims up to and including the last of ../, ..\, src/, src\ in a string
constexpr const char* TrimSourcePath(std::string_view source) {
inline const char* TrimSourcePath(std::string_view source) {
const auto rfind = [source](const std::string_view match) {
return source.rfind(match) == source.npos ? 0 : (source.rfind(match) + match.size());
};
@ -113,6 +114,47 @@ enum class Class : ClassType {
Count ///< Total number of logging classes
};
/**
* 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.
explicit Filter(Level default_level = Level::Info);
/// 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);
/**
* 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.
* `*` is allowed as a class name and will reset all filters to the specified level. `<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 to Info.
* - `Service.FS:Trace` -- Sets the level of the Service.FS class to Trace.
*/
void ParseFilterString(std::string_view filter_view);
/// Matches class/level combination against the filter, returning true if it passed.
bool CheckMessage(Class log_class, Level level) const;
private:
std::array<Level, static_cast<std::size_t>(Class::Count)> class_levels;
};
extern Filter filter;
void SetGlobalFilter(const Filter& f);
/// Logs a message to the global logger, using fmt
void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename,
unsigned int line_num, const char* function, const char* format,
@ -121,6 +163,9 @@ void FmtLogMessageImpl(Class log_class, Level log_level, const char* filename,
template <typename... Args>
void FmtLogMessage(Class log_class, Level log_level, const char* filename, unsigned int line_num,
const char* function, const char* format, const Args&... args) {
if (!filter.CheckMessage(log_class, log_level))
return;
FmtLogMessageImpl(log_class, log_level, filename, line_num, function, format,
fmt::make_format_args(args...));
}

41
src/common/logging/text_formatter.cpp
View file

@ -34,13 +34,7 @@ std::string FormatLogMessage(const Entry& entry) {
void PrintMessage(const Entry& entry) {
const auto str = FormatLogMessage(entry).append(1, '\n');
#ifdef ANDROID
// Android's log level enum are offset by '2'
const int android_log_level = static_cast<int>(entry.log_level) + 2;
__android_log_print(android_log_level, "CitraNative", "%s", str.c_str());
#else
fputs(str.c_str(), stderr);
#endif
}
void PrintColoredMessage(const Entry& entry) {
@ -78,7 +72,7 @@ void PrintColoredMessage(const Entry& entry) {
}
SetConsoleTextAttribute(console_handle, color);
#elif !defined(ANDROID)
#else
#define ESC "\x1b"
const char* color = "";
switch (entry.log_level) {
@ -111,9 +105,40 @@ void PrintColoredMessage(const Entry& entry) {
#ifdef _WIN32
SetConsoleTextAttribute(console_handle, original_info.wAttributes);
#elif !defined(ANDROID)
#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_log_print(android_log_priority, "CitraNative", "%s", str.c_str());
#endif
}
} // namespace Log

2
src/common/logging/text_formatter.h
View file

@ -17,4 +17,6 @@ std::string FormatLogMessage(const Entry& entry);
void PrintMessage(const Entry& entry);
/// Prints the same message as `PrintMessage`, but colored according to the severity level.
void PrintColoredMessage(const Entry& entry);
/// Formats and prints a log entry to the android logcat.
void PrintMessageToLogcat(const Entry& entry);
} // namespace Log