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Simplify and removed SPDLOG_PATTERN support

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This commit is contained in:
gabime 2019-12-13 14:49:41 +02:00
parent cd8d7e6de9
commit 3d203aa7c4
5 changed files with 50 additions and 90 deletions
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9
example/example.cpp
View File

@ -6,13 +6,18 @@
#include <spdlog/spdlog.h>
#include <spdlog/cfg/env.h>
#include <spdlog/sinks/stdout_color_sinks.h>
int main(int, char *[])
{
try
{
spdlog::env::init();
spdlog::info("Hello");
spdlog::env::load_levels();
auto l1 = spdlog::stderr_color_st("l1");
auto l2 = spdlog::stderr_color_st("l2");
spdlog::info("Hello default logger");
l1->debug("Hello l1");
l2->trace("Hello l2");
}
catch (spdlog::spdlog_ex &ex)
{

74
include/spdlog/cfg/env-inl.h
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@ -4,12 +4,12 @@
#pragma once
#ifndef SPDLOG_HEADER_ONLY
#include "spdlog/cfg/env.h"
#include <spdlog/cfg/env.h>
#endif
#include "spdlog/spdlog.h"
#include "spdlog/details/os.h"
#include "spdlog/details/registry.h"
#include <spdlog/spdlog.h>
#include <spdlog/details/os.h>
#include <spdlog/details/registry.h>
#include <string>
#include <utility>
@ -74,73 +74,43 @@ SPDLOG_INLINE std::unordered_map<std::string, std::string> extract_key_vals_(con
continue;
}
auto kv = extract_kv_('=', token);
// '*' marks all loggers
if (kv.first.empty())
{
kv.first = "*";
}
rv.insert(std::move(kv));
rv[kv.first] = kv.second;
}
return rv;
}
inline details::registry::logger_cfgs from_env_()
inline details::registry::logger_levels from_env_()
{
using details::os::getenv;
details::registry::logger_cfgs configs;
auto key_vals = extract_key_vals_(getenv("SPDLOG_LEVEL"));
details::registry::logger_levels rv;
auto levels = extract_key_vals_(getenv("SPDLOG_LEVEL"));
auto patterns = extract_key_vals_(getenv("SPDLOG_PATTERN"));
// merge to single dict. and take into account "*"
for (auto &name_level : levels)
for (auto &name_level : key_vals)
{
auto &logger_name = name_level.first;
assert(!logger_name.empty());
auto level_name = to_lower_(name_level.second);
details::registry::logger_cfg cfg;
cfg.level_name = level_name;
if (logger_name == "*")
auto level = level::from_str(level_name);
// fallback to "info" if unrecognized level name
if (level == level::off && level_name != "off")
{
configs.default_cfg.level_name = cfg.level_name;
level = level::info;
}
if (logger_name.empty() || logger_name == "*")
{
rv.default_level = level;
}
else
{
configs.loggers.emplace(logger_name, cfg);
}
}
for (auto &name_pattern : patterns)
{
auto &logger_name = name_pattern.first;
auto &pattern = name_pattern.second;
auto it = configs.loggers.find(logger_name);
if (it != configs.loggers.end())
{
it->second.pattern = pattern;
}
if (logger_name == "*")
{
configs.default_cfg.pattern = pattern;
}
else
{
details::registry::logger_cfg cfg;
cfg.pattern = pattern;
configs.loggers.emplace(logger_name, cfg);
rv.levels[logger_name] = level;
}
}
return configs;
return rv;
}
SPDLOG_INLINE void init()
SPDLOG_INLINE void load_levels()
{
spdlog::details::registry::instance().set_configs(from_env_());
spdlog::details::registry::instance().set_levels(from_env_());
}
} // namespace env

14
include/spdlog/cfg/env.h
View File

@ -8,8 +8,9 @@
#include <unordered_map>
//
// Init levels and patterns from env variables SPDLOG_LEVEL and SPDLOG_PATTERN.
// Init levels and patterns from env variables SPDLOG_LEVEL
// Inspired from Rust's "env_logger" crate (https://crates.io/crates/env_logger).
// Note - fallback to "info" level on unrecognized levels
//
// Examples:
//
@ -21,19 +22,10 @@
//
// turn off all logging except for logger1 and logger2:
// export SPDLOG_LEVEL="off,logger1=debug,logger2=info"
//
// set global pattern:
// export SPDLOG_PATTERN="[%x] [%l] [%n] %v"
//
// set pattern for logger1:
// export SPDLOG_PATTERN="logger1=%v,*=[%x] [%l] [%n] %v"
//
// set global pattern and different pattern for logger1:
// export SPDLOG_PATTERN="[%x] [%l] [%n] %v,logger1=[%u] %v"
namespace spdlog {
namespace env {
void init();
void load_levels();
}
} // namespace spdlog

25
include/spdlog/details/registry-inl.h
View File

@ -30,6 +30,12 @@
namespace spdlog {
namespace details {
SPDLOG_INLINE level::level_enum registry::logger_levels::get_or_default(const std::string &name)
{
auto it = levels.find(name);
return it != levels.end() ? it->second : default_level;
}
SPDLOG_INLINE registry::registry()
: formatter_(new pattern_formatter())
{
@ -64,7 +70,7 @@ SPDLOG_INLINE void registry::initialize_logger(std::shared_ptr<logger> new_logge
new_logger->set_error_handler(err_handler_);
}
new_logger->set_level(level_);
new_logger->set_level(levels_.get_or_default(new_logger->name()));
new_logger->flush_on(flush_level_);
if (backtrace_n_messages_ > 0)
@ -168,7 +174,7 @@ SPDLOG_INLINE void registry::set_level(level::level_enum log_level)
{
l.second->set_level(log_level);
}
level_ = log_level;
levels_.default_level = log_level;
}
SPDLOG_INLINE void registry::flush_on(level::level_enum log_level)
@ -260,23 +266,15 @@ SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_registrat
automatic_registration_ = automatic_registration;
}
SPDLOG_INLINE void registry::set_configs(logger_cfgs configs)
SPDLOG_INLINE void registry::set_levels(logger_levels levels)
{
std::lock_guard<std::mutex> lock(logger_map_mutex_);
levels_ = std::move(levels);
for (auto &l : loggers_)
{
auto &logger = l.second;
auto cfg_it = configs.loggers.find(logger->name());
// use default config if not found for this logger name
logger_cfg *cfg = cfg_it != configs.loggers.end() ? &cfg_it->second : &configs.default_cfg;
auto &level_name = cfg->level_name.empty() ? cfg->level_name: configs.default_cfg.level_name;
auto &pattern = cfg->pattern.empty() ? cfg->pattern: configs.default_cfg.pattern;
logger->set_level(level::from_str(level_name));
logger->set_formatter(details::make_unique<pattern_formatter>(pattern));
logger->set_level(levels_.get_or_default(logger->name()));
}
logger_cfgs_ = std::move(configs);
}
SPDLOG_INLINE registry &registry::instance()
@ -299,5 +297,6 @@ SPDLOG_INLINE void registry::register_logger_(std::shared_ptr<logger> new_logger
throw_if_exists_(logger_name);
loggers_[logger_name] = std::move(new_logger);
}
} // namespace details
} // namespace spdlog

18
include/spdlog/details/registry.h
View File

@ -27,16 +27,11 @@ class periodic_worker;
class registry
{
public:
struct logger_cfg
struct logger_levels
{
std::string level_name;
std::string pattern;
};
struct logger_cfgs
{
std::unordered_map<std::string, logger_cfg> loggers;
logger_cfg default_cfg = {"info", "%+"};
std::unordered_map<std::string, spdlog::level::level_enum> levels;
spdlog::level::level_enum default_level = level::info;
spdlog::level::level_enum get_or_default(const std::string &name);
};
registry(const registry &) = delete;
@ -91,7 +86,7 @@ public:
void set_automatic_registration(bool automatic_registration);
void set_configs(logger_cfgs configs);
void set_levels(logger_levels levels);
static registry &instance();
@ -104,15 +99,14 @@ private:
std::mutex logger_map_mutex_, flusher_mutex_;
std::recursive_mutex tp_mutex_;
std::unordered_map<std::string, std::shared_ptr<logger>> loggers_;
logger_levels levels_;
std::unique_ptr<formatter> formatter_;
level::level_enum level_ = level::info;
level::level_enum flush_level_ = level::off;
void (*err_handler_)(const std::string &msg);
std::shared_ptr<thread_pool> tp_;
std::unique_ptr<periodic_worker> periodic_flusher_;
std::shared_ptr<logger> default_logger_;
bool automatic_registration_ = true;
logger_cfgs logger_cfgs_;
size_t backtrace_n_messages_ = 0;
};