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mmgeodb

v2.0.6

Published

Bindings to the libmaxminddb C library (new binary format), supporting both IPv4 and IPv6 lookup

Downloads

43

Readme

News

Now with node >= 0.11 support

Requirements

This package is currently designed to build and run only on *nix (tested only on Linux). It should be technically possible to adapt it for Windows as well. The package includes and builds the libmaxminddb library from source. To to so, it needs the autotools toolchain. More specificly - autoconf, libtool, automake. Also, it needs node-gyp installed: npm install -g node-gyp

Usage

var geo = require('mmgeodb');
geo.load('path/to/database/file');

var info = geo.lookupIp('1.2.3.4');
console.log(JSON.stringify(info));
// {"ccode":"AU","continent":"OC"}

info = geo.lookupIp('2001:1388:b47:df34:5ddf:cecb:4213:cf37');
console.log(JSON.stringify(info));
// {"ccode":"PE","continent":"SA"}

Currently the returned object contains only two properties:

ccode: The 2-letter country code continent: The continent code where the country is located. This is a two-letter code, as follows:

AF – Africa
AS – Asia
EU – Europe
NA – North America
OC – Oceania
SA – South America

When done with the database, call

geo.unload()  

to free memory.

##Notes on libmaxminddb

Libmaxminddb is built by this package as a static lib, and linked into the node module shared object (.node file). This means that you can't update the version used without rebuilding the module.

The version of libmaxminddb, included with this package has a slightly modified build system. It doesn't build the 't' subdirectory, containing tests, because it has a dependency on libtap. Also, it adds the -fPIC flag (in common.mk) because the generated code, even though of a static lib, is later linked into a shared object, so the code must be position-independent.