This gem provides binding of libmaxminddb.

This binding does not traverse all elements in lookup result by default. So you can get the element you want fast such as city name, country name or etc.

See workflows

Need ruby.h to build this extension, so you must install it before build this extension.

Debian GNU Linux / Ubuntu:

$ sudo apt install -y build-essential automake autoconf libtool

CentOS:

$ sudo yum groupinstall -y "Development Tools"

NOTE: If you want to use libmaxminddb provided as a deb/rpm package, you can install libmaxminddb-dev or libmaxminddb-devel at your own risk.

Add this line to your application's Gemfile:

gem 'geoip2_c'

And then execute:

$ bundle

Or install it yourself as:

$ gem install geoip2_c

require "geoip2"

db = GeoIP2::Database.new("GeoLite2-City.mmdb")
result = db.lookup("66.102.9.80")
result.get_value("city", "names", "en") # => "Mountain View"
result.dig("city", "names", "en")       # => "Mountain View"

After checking out the repo, run bundle install to install dependencies. Then, run rake test to run the tests.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Bug reports and pull requests are welcome on GitHub at https://github.com/fluent-plugins-nursery/geoip2_c.

The gem is available as open source under the terms of the Apache-2.0.