WebDNS/server/src/logger.cpp

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#include "./logger.h"
#include <experimental/filesystem>
#include <spdlog/sinks/file_sinks.h>
#include <spdlog/sinks/stdout_sinks.h>
namespace fs = std::experimental::filesystem;
const static std::string log_folder{"logs/"};
std::shared_ptr<spdlog::logger> logger::logger_general{nullptr};
std::shared_ptr<spdlog::logger> logger::logger_network{nullptr};
std::shared_ptr<spdlog::logger> logger::logger_dns{nullptr};
bool logger::setup(std::string& error) {
try {
if(!fs::exists(log_folder) && !fs::create_directories(log_folder)) {
error = "failed to create directory " + log_folder;
return false;
}
} catch(fs::filesystem_error& ex) {
error = "failed to create log folder at " + log_folder + ": " + std::string{ex.what()};
return false;
}
std::vector<spdlog::sink_ptr> sinks{};
sinks.reserve(2);
{
auto file_sink = std::make_shared<spdlog::sinks::daily_file_sink_st>(log_folder + "log_", 0, 0);
file_sink->set_level(spdlog::level::trace);
sinks.push_back(file_sink);
auto console_sink = std::make_shared<spdlog::sinks::stdout_sink_st>();
console_sink->set_level(spdlog::level::trace);
sinks.push_back(console_sink);
}
spdlog::register_logger(logger_general = std::make_shared<spdlog::async_logger>("general", std::begin(sinks), std::end(sinks), 8192, spdlog::async_overflow_policy::block_retry));
spdlog::register_logger(logger_network = std::make_shared<spdlog::async_logger>("network", std::begin(sinks), std::end(sinks), 8192, spdlog::async_overflow_policy::block_retry));
spdlog::register_logger(logger_dns = std::make_shared<spdlog::async_logger>("dns ", std::begin(sinks), std::end(sinks), 8192, spdlog::async_overflow_policy::block_retry));
spdlog::apply_all([](const std::shared_ptr<spdlog::logger>& l) {
l->set_level(spdlog::level::trace);
});
return true;
}
bool logger::shutdown() {
spdlog::drop_all();
}