class SinaGeoIp

Constants

IPV4_REGEXP
SERVICE_URL

Public Class Methods

fallback_timeout() click to toggle source

# File lib/sina_geoip.rb, line 24
def fallback_timeout
  @@fallback_timeout
end

fallback_timeout=(fallback_timeout) click to toggle source

# File lib/sina_geoip.rb, line 28
def fallback_timeout= fallback_timeout
  @@fallback_timeout = fallback_timeout
end

geolocation(ip, options={}) click to toggle source

Retreive the remote location of a given ip address.

It takes two optional arguments:

Example:¶ ↑

GeoIp.geolocation('209.85.227.104', {:precision => :city})

# File lib/sina_geoip.rb, line 52
def geolocation(ip, options={})
  location = nil
  Timeout.timeout(self.fallback_timeout) do
    parsed_response = JSON.parse RestClient::Request.execute(:method => :get, :url => lookup_url(ip, options), :timeout => self.timeout)
    location = to_j(parsed_response, options)
  end
  location
end

lookup_url(ip, options = {}) click to toggle source

# File lib/sina_geoip.rb, line 39
def lookup_url(ip, options = {})
  set_defaults_if_necessary options
  raise 'Invalid IP address' unless ip.to_s =~ IPV4_REGEXP
  #http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip=202.102.154.3
  "#{SERVICE_URL}?format=json&ip=#{ip}"
end

set_defaults_if_necessary(options) click to toggle source

# File lib/sina_geoip.rb, line 32
def set_defaults_if_necessary options
 args = [:country, :province,:city]
  if options[:precision] && !args.include?(options[:precision])
    raise 'Invalid precision.'  
  end
end

timeout() click to toggle source

# File lib/sina_geoip.rb, line 16
def timeout
  @@timeout
end

timeout=(timeout) click to toggle source

# File lib/sina_geoip.rb, line 20
def timeout= timeout
  @@timeout = timeout
end

Private Class Methods

to_j(hash, options={}) click to toggle source

hash => {“ret”=>1, “start”=>“202.102.151.208”, “end”=>“202.102.154.255”, “country”=>“中国”, “province”=>“山东”, “city”=>“济南”, “district”=>“”, “isp”=>“联通”, “type”=>“”, “desc”=>“”}

# File lib/sina_geoip.rb, line 64
def to_j(hash, options={})
  h = {ret: hash['ret'], start: hash['start'], end: hash['end'], country: hash['country'], province: hash['province'], city: hash['city'],\
     district: hash['district'], isp: hash['isp'], type: hash['type'], desc: hash['desc']}
  case options[:precision]
  when :country
    h = {country: hash['country']} # only return country
  when :province
    h = {country: hash['country'], province: hash['province']} # only country,province
  when :city
    h = {country: hash['country'], province: hash['province'],city: hash['city']} #  only country,province, city
  else
    h # return all
  end
  h
end