Tcl
MaxMind IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the MaxMind GeoIP2 Precision Web Service.
Chilkat Tcl Downloads

Tcl

load ./chilkat.dll

set success 0

# This example requires the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

set http [new_CkHttp]

CkHttp_put_Login $http "MAXMIND_ACCOUNT_ID"
CkHttp_put_Password $http "MAXMIND_LICENSE_KEY"
CkHttp_put_Accept $http "application/json"

# Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
set jsonStr [CkHttp_quickGetStr $http "https://geoip.maxmind.com/geoip/v2.1/country/149.250.207.170"]
if {[CkHttp_get_LastMethodSuccess $http] == 0} then {
    puts [CkHttp_lastErrorText $http]
    delete_CkHttp $http
    exit
}

set json [new_CkJsonObject]

CkJsonObject_put_EmitCompact $json 0
set success [CkJsonObject_Load $json $jsonStr]

puts [CkJsonObject_emit $json]

# Sample output:
# Use this online tool to generate parsing code from sample JSON: 
# Generate Parsing Code from JSON

# {
#   "continent": {
#     "code": "EU",
#     "geoname_id": 6255148,
#     "names": {
#       "ja": "?????",
#       "pt-BR": "Europa",
#       "ru": "??????",
#       "zh-CN": "??",
#       "de": "Europa",
#       "en": "Europe",
#       "es": "Europa",
#       "fr": "Europe"
#     }
#   },
#   "country": {
#     "is_in_european_union": true,
#     "iso_code": "DE",
#     "geoname_id": 2921044,
#     "names": {
#       "fr": "Allemagne",
#       "ja": "????????",
#       "pt-BR": "Alemanha",
#       "ru": "????????",
#       "zh-CN": "??",
#       "de": "Deutschland",
#       "en": "Germany",
#       "es": "Alemania"
#     }
#   },
#   "maxmind": {
#     "queries_remaining": 49999
#   },
#   "registered_country": {
#     "is_in_european_union": true,
#     "iso_code": "DE",
#     "geoname_id": 2921044,
#     "names": {
#       "es": "Alemania",
#       "fr": "Allemagne",
#       "ja": "????????",
#       "pt-BR": "Alemanha",
#       "ru": "????????",
#       "zh-CN": "??",
#       "de": "Deutschland",
#       "en": "Germany"
#     }
#   },
#   "traits": {
#     "ip_address": "149.250.207.170"
#   }
# }
# 
# 

set continentCode [CkJsonObject_stringOf $json "continent.code"]
set continentGeoname_id [CkJsonObject_IntOf $json "continent.geoname_id"]
set continentNamesJa [CkJsonObject_stringOf $json "continent.names.ja"]
set continentNamesPt_BR [CkJsonObject_stringOf $json "continent.names.pt-BR"]
set continentNamesRu [CkJsonObject_stringOf $json "continent.names.ru"]
set continentNamesZh_CN [CkJsonObject_stringOf $json "continent.names.zh-CN"]
set continentNamesDe [CkJsonObject_stringOf $json "continent.names.de"]
set continentNamesEn [CkJsonObject_stringOf $json "continent.names.en"]
set continentNamesEs [CkJsonObject_stringOf $json "continent.names.es"]
set continentNamesFr [CkJsonObject_stringOf $json "continent.names.fr"]
set countryIs_in_european_union [CkJsonObject_BoolOf $json "country.is_in_european_union"]
set countryIso_code [CkJsonObject_stringOf $json "country.iso_code"]
set countryGeoname_id [CkJsonObject_IntOf $json "country.geoname_id"]
set countryNamesFr [CkJsonObject_stringOf $json "country.names.fr"]
set countryNamesJa [CkJsonObject_stringOf $json "country.names.ja"]
set countryNamesPt_BR [CkJsonObject_stringOf $json "country.names.pt-BR"]
set countryNamesRu [CkJsonObject_stringOf $json "country.names.ru"]
set countryNamesZh_CN [CkJsonObject_stringOf $json "country.names.zh-CN"]
set countryNamesDe [CkJsonObject_stringOf $json "country.names.de"]
set countryNamesEn [CkJsonObject_stringOf $json "country.names.en"]
set countryNamesEs [CkJsonObject_stringOf $json "country.names.es"]
set maxmindQueries_remaining [CkJsonObject_IntOf $json "maxmind.queries_remaining"]
set registered_countryIs_in_european_union [CkJsonObject_BoolOf $json "registered_country.is_in_european_union"]
set registered_countryIso_code [CkJsonObject_stringOf $json "registered_country.iso_code"]
set registered_countryGeoname_id [CkJsonObject_IntOf $json "registered_country.geoname_id"]
set registered_countryNamesEs [CkJsonObject_stringOf $json "registered_country.names.es"]
set registered_countryNamesFr [CkJsonObject_stringOf $json "registered_country.names.fr"]
set registered_countryNamesJa [CkJsonObject_stringOf $json "registered_country.names.ja"]
set registered_countryNamesPt_BR [CkJsonObject_stringOf $json "registered_country.names.pt-BR"]
set registered_countryNamesRu [CkJsonObject_stringOf $json "registered_country.names.ru"]
set registered_countryNamesZh_CN [CkJsonObject_stringOf $json "registered_country.names.zh-CN"]
set registered_countryNamesDe [CkJsonObject_stringOf $json "registered_country.names.de"]
set registered_countryNamesEn [CkJsonObject_stringOf $json "registered_country.names.en"]
set traitsIp_address [CkJsonObject_stringOf $json "traits.ip_address"]

delete_CkHttp $http
delete_CkJsonObject $json