module ApacheLogGeo

# File lib.rb, line 300
def db_adapter_load
  adapters = {
    "geoip2" => {
      klass: Geoip2_c,
      gem: ['geoip2_c', '~> 0.3.3'] # can't specify it in .gemspec!
    },
    "maxmind/db" => { klass: Maxmind},
  }
  adapter = adapters.keys.detect do |k|
    begin
      gem(*adapters[k][:gem]) if adapters[k][:gem]
      require k
    rescue LoadError
      next nil
    end
    k
  end

  adapters[adapter][:klass]
end

# File lib.rb, line 16
def errx exit_code, msg
  $stderr.puts "#{File.basename $0} error: #{msg}"
  exit exit_code
end

# File lib.rb, line 4
def geo_db_location
  datadir = case RUBY_PLATFORM
            when /linux/ then '/usr/share'
            when /cygwin|msys/ then '/usr/share'
            when /darwin/ then '/usr/local/var' # untested
            when /freebsd/ then '/usr/local/share'
            else nil
            end
  return 'GeoLite2-City.mmdb' unless datadir
  File.join datadir, 'GeoIP/GeoLite2-City.mmdb'
end

# File lib.rb, line 22
def sigint_handler; proc {|s| puts ""; exit 128+s }; end

# File lib.rb, line 21
def warnx msg; $stderr.puts "#{File.basename $0} warning: #{msg}"; end