Main

Template main.cpp

#include <atomic>
#include <csignal>

#include "spdlog/spdlog.h"
#include "fmt/chrono.h"

static std::atomic<bool> is_running = true;

void sigint_handler(int signum) {
  (void) signum;
  is_running = false;
}

int main(int argc, char* argv[]) {
  signal(SIGINT, sigint_handler);

  spdlog::set_pattern("[%^%L%$] [%T.%e] [%t] [%s:%#] %v");

  std::time_t t = std::time(nullptr);
  auto log_path_raw = fmt::format("$PROJECT_ROOT/logs/{:%H-%M-%S}.txt", fmt::localtime(t));
  auto log_path = utils::ExpandVars(log_path_raw);
  auto file_sink = std::make_shared<spdlog::sinks::basic_file_sink_mt>(log_path, false);
  spdlog::default_logger()->sinks().push_back(file_sink);

  return EXIT_SUCCESS;
}

utils.cpp

#include "wordexp.h"

namespace utils {

std::string ExpandVars(std::string path) {
  wordexp_t p;
  wordexp(path.c_str(), &p, 0);
  std::stringstream ss;
  for (unsigned int i  = 0; i < p.we_wordc; i++) {
    ss << p.we_wordv[i];
  }
  wordfree(&p);
  return ss.str();
}

} // namespace utils