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#include <iostream>
#include "common.h"
#include "date.h"
namespace fs = std::filesystem;
const std::string LogFile::date()
{
namespace C = std::chrono;
namespace D = date;
std::ostringstream str;
auto tp = C::system_clock::now();
auto dp = D::floor<D::days>(tp);
auto yd = D::year_month_day {dp};
auto tm = D::make_time(
C::duration_cast<C::milliseconds>(tp - dp));
str << yd.year() << "-"
<< static_cast<unsigned>(yd.month()) << "-"
<< yd.day() << "_"
<< tm.hours().count();
return str.str();
}
void demo_perms(std::filesystem::perms p)
{
using std::filesystem::perms;
auto show = [=](char op, perms perm) {
std::cerr << (perms::none == (perm & p) ? '-' : op);
};
show('r', perms::owner_read);
show('w', perms::owner_write);
show('x', perms::owner_exec);
show('r', perms::group_read);
show('w', perms::group_write);
show('x', perms::group_exec);
show('r', perms::others_read);
show('w', perms::others_write);
show('x', perms::others_exec);
std::cerr << '\n';
}
LogFile::LogFile()
{
base = fs::path("/var/log/" APP_NAME);
try {
if(fs::exists(base))
if(not fs::is_directory(base))
fs::remove(base);
if(not fs::exists(base))
fs::create_directories(base);
if(fs::create_directory(base / ".test"))
fs::remove(base / ".test");
} catch (const std::exception& e) {
std::cerr << e.what() << std::endl;
stdout = true;
}
}
void LogFile::change(refstream& fstr)
{
if(stdout)
return;
if(not (std::addressof(fstr.get()) == std::addressof(stream)))
fstr = std::ref(stream);
std::string now = date();
if(not (date_ == now)) {
if(stream.is_open())
stream.close();
date_ = now;
}
if(not stream.is_open())
stream.open(base / (date_ + ".log"), std::ios::app);
}
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