peerplays-fc/src/log/logger.cpp

113 lines
3.3 KiB
C++

#include <fc/log/logger.hpp>
#include <fc/log/log_message.hpp>
#include <fc/thread/thread.hpp>
#include <fc/thread/spin_lock.hpp>
#include <fc/thread/scoped_lock.hpp>
#include <fc/log/appender.hpp>
#include <fc/filesystem.hpp>
#include <unordered_map>
#include <string>
#include <fc/log/logger_config.hpp>
namespace fc {
class logger::impl : public fc::retainable {
public:
impl()
:_parent(nullptr),_enabled(true),_additivity(false),_level(log_level::warn){}
fc::string _name;
logger _parent;
bool _enabled;
bool _additivity;
log_level _level;
std::vector<appender::ptr> _appenders;
};
logger::logger()
:my( new impl() ){}
logger::logger(nullptr_t){}
logger::logger( const string& name, const logger& parent )
:my( new impl() )
{
my->_name = name;
my->_parent = parent;
}
logger::logger( const logger& l )
:my(l.my){}
logger::logger( logger&& l )
:my(fc::move(l.my)){}
logger::~logger(){}
logger& logger::operator=( const logger& l ){
my = l.my;
return *this;
}
logger& logger::operator=( logger&& l ){
fc_swap(my,l.my);
return *this;
}
bool operator==( const logger& l, std::nullptr_t ) { return !l.my; }
bool operator!=( const logger& l, std::nullptr_t ) { return l.my; }
bool logger::is_enabled( log_level e )const {
return e >= my->_level;
}
void logger::log( log_message m ) {
m.get_context().append_context( my->_name );
for( auto itr = my->_appenders.begin(); itr != my->_appenders.end(); ++itr )
(*itr)->log( m );
if( my->_additivity && my->_parent != nullptr) {
my->_parent.log(m);
}
}
void logger::set_name( const fc::string& n ) { my->_name = n; }
const fc::string& logger::name()const { return my->_name; }
extern bool do_default_config;
std::unordered_map<std::string,logger>& get_logger_map() {
static bool force_link_default_config = fc::do_default_config;
//TODO: Atomic compare/swap set
static std::unordered_map<std::string,logger>* lm = new std::unordered_map<std::string, logger>();
(void)force_link_default_config; // hide warning;
return *lm;
}
logger logger::get( const fc::string& s ) {
static fc::spin_lock logger_spinlock;
scoped_lock<spin_lock> lock(logger_spinlock);
return get_logger_map()[s];
}
logger logger::get_parent()const { return my->_parent; }
logger& logger::set_parent(const logger& p) { my->_parent = p; return *this; }
log_level logger::get_log_level()const { return my->_level; }
logger& logger::set_log_level(log_level ll) { my->_level = ll; return *this; }
void logger::add_appender( const fc::shared_ptr<appender>& a )
{ my->_appenders.push_back(a); }
// void logger::remove_appender( const fc::shared_ptr<appender>& a )
// { my->_appenders.erase(a); }
std::vector<fc::shared_ptr<appender> > logger::get_appenders()const
{
return my->_appenders;
}
bool configure_logging( const logging_config& cfg );
bool do_default_config = configure_logging( logging_config::default_config() );
} // namespace fc