Environment.cpp

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#include "Environment.hpp"
 
#include <spdlog/details/os.h>
#include <spdlog/spdlog.h>
 
#include <mutex>
#include <unordered_map>
 
// project
#include <utility/Logging.hpp>
 
namespace dai {
namespace utility {
 
static std::mutex mtx;
static std::unordered_map<std::string, std::string> map;
 
std::string getEnv(const std::string& var) {
    return getEnv(var, Logging::getInstance().logger);
}
 
std::string getEnv(const std::string& var, spdlog::logger& logger) {
    std::unique_lock<std::mutex> lock(mtx);
 
    if(map.count(var) > 0) {
        return map.at(var);
    }
    auto value = spdlog::details::os::getenv(var.c_str());
    map[var] = value;
 
    // Log if env variable is set
    if(!value.empty()) {
        logger.debug("Environment '{}' set to '{}'", var, value);
    }
 
    return value;
}
 
}  // namespace utility
}  // namespace dai