Class LOG

cpp/webdriver-server/logging.h:117–173

};

class LOG : public Logger<LOG> {
 public:
  static void File(const std::string& name, const char* openMode = "w") {
    const std::string& file = Name(name);
    if (file == "stdout") {
	  LOG::File() = stdout;
    } else if (file == "stderr") {
      LOG::File() = stderr;
    } else {
      LOG::File() = fopen(file.c_str(), openMode);
    }
  }

  static void Limit(off_t size) {
    LOG::Limit() = size;
  }

 private:
  static std::string& Name(const std::string& name) {
    static std::string file_name = "stdout";
    if (!name.empty())
      file_name.assign(name);
    return file_name;
  }

  static FILE*& File() {
    static FILE* file = stdout;
    return file;
  }

  static off_t& Limit() {
    static off_t size_limit = 0;
    return size_limit;
  }

  static void Log(const std::string& str, bool fatal) {
    if (fatal) Limit() = 0;

    FILE* output = File();
    if (output) {
      fwrite(str.data(), sizeof(char), str.size(), output);
      fflush(output);

      if (Limit() && !isatty(fileno(output))) {
        if (lseek(fileno(output), 0, SEEK_END) > Limit()) {
          fclose(output), File("");
        }
      }
    }

    if (fatal && !isatty(fileno(output))) {
      fputs(str.c_str(), stderr);
    }
  }

  friend class Logger<LOG>;
};