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//
// This file is part of Easylogging++ samples
//
// Sample to show how to implement log rotate using easylogging++
// Thanks to Darren for efforts (http://darrendev.blogspot.com.au/)
//
// Compile: g++ -std=c++11 -Wall -Werror logrotate.cpp -lpthread -o logrotate -DELPP_THREAD_SAFE
//
// Revision 1.0
// @author Darren
//
#include <thread>
#define ELPP_NO_DEFAULT_LOG_FILE
#include "easylogging++.h"
INITIALIZE_EASYLOGGINGPP
int main(int,char**){
el::Loggers::configureFromGlobal("logrotate.conf");
LOG(INFO)<<"The program has started!";
std::thread logRotatorThread([](){
const std::chrono::seconds wakeUpDelta = std::chrono::seconds(20);
auto nextWakeUp = std::chrono::system_clock::now() + wakeUpDelta;
while(true){
std::this_thread::sleep_until(nextWakeUp);
nextWakeUp += wakeUpDelta;
LOG(INFO) << "About to rotate log file!";
auto L = el::Loggers::getLogger("default");
if(L == nullptr)LOG(ERROR)<<"Oops, it is not called default!";
else L->reconfigure();
}
});
logRotatorThread.detach();
//Main thread
for(int n = 0; n < 1000; ++n){
LOG(TRACE) << n;
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
LOG(INFO) << "Shutting down.";
return 0;
}
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