(Unicode C++) MaxMind IPv4 Geolocation Lookup

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

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#include <CkHttpW.h>
#include <CkJsonObjectW.h>

void ChilkatSample(void)
    {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttpW http;

    http.put_Login(L"MAXMIND_ACCOUNT_ID");
    http.put_Password(L"MAXMIND_LICENSE_KEY");
    http.put_Accept(L"application/json");

    // Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
    const wchar_t *jsonStr = http.quickGetStr(L"https://geoip.maxmind.com/geoip/v2.1/country/149.250.207.170");
    if (http.get_LastMethodSuccess() == false) {
        wprintf(L"%s\n",http.lastErrorText());
        return;
    }

    CkJsonObjectW json;
    json.put_EmitCompact(false);
    bool success = json.Load(jsonStr);

    wprintf(L"%s\n",json.emit());

    // 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"
    //   }
    // }
    // 
    // 
    const wchar_t *continentCode = 0;
    int continentGeoname_id;
    const wchar_t *continentNamesJa = 0;
    const wchar_t *continentNamesPt_BR = 0;
    const wchar_t *continentNamesRu = 0;
    const wchar_t *continentNamesZh_CN = 0;
    const wchar_t *continentNamesDe = 0;
    const wchar_t *continentNamesEn = 0;
    const wchar_t *continentNamesEs = 0;
    const wchar_t *continentNamesFr = 0;
    bool countryIs_in_european_union;
    const wchar_t *countryIso_code = 0;
    int countryGeoname_id;
    const wchar_t *countryNamesFr = 0;
    const wchar_t *countryNamesJa = 0;
    const wchar_t *countryNamesPt_BR = 0;
    const wchar_t *countryNamesRu = 0;
    const wchar_t *countryNamesZh_CN = 0;
    const wchar_t *countryNamesDe = 0;
    const wchar_t *countryNamesEn = 0;
    const wchar_t *countryNamesEs = 0;
    int maxmindQueries_remaining;
    bool registered_countryIs_in_european_union;
    const wchar_t *registered_countryIso_code = 0;
    int registered_countryGeoname_id;
    const wchar_t *registered_countryNamesEs = 0;
    const wchar_t *registered_countryNamesFr = 0;
    const wchar_t *registered_countryNamesJa = 0;
    const wchar_t *registered_countryNamesPt_BR = 0;
    const wchar_t *registered_countryNamesRu = 0;
    const wchar_t *registered_countryNamesZh_CN = 0;
    const wchar_t *registered_countryNamesDe = 0;
    const wchar_t *registered_countryNamesEn = 0;
    const wchar_t *traitsIp_address = 0;

    continentCode = json.stringOf(L"continent.code");
    continentGeoname_id = json.IntOf(L"continent.geoname_id");
    continentNamesJa = json.stringOf(L"continent.names.ja");
    continentNamesPt_BR = json.stringOf(L"continent.names.pt-BR");
    continentNamesRu = json.stringOf(L"continent.names.ru");
    continentNamesZh_CN = json.stringOf(L"continent.names.zh-CN");
    continentNamesDe = json.stringOf(L"continent.names.de");
    continentNamesEn = json.stringOf(L"continent.names.en");
    continentNamesEs = json.stringOf(L"continent.names.es");
    continentNamesFr = json.stringOf(L"continent.names.fr");
    countryIs_in_european_union = json.BoolOf(L"country.is_in_european_union");
    countryIso_code = json.stringOf(L"country.iso_code");
    countryGeoname_id = json.IntOf(L"country.geoname_id");
    countryNamesFr = json.stringOf(L"country.names.fr");
    countryNamesJa = json.stringOf(L"country.names.ja");
    countryNamesPt_BR = json.stringOf(L"country.names.pt-BR");
    countryNamesRu = json.stringOf(L"country.names.ru");
    countryNamesZh_CN = json.stringOf(L"country.names.zh-CN");
    countryNamesDe = json.stringOf(L"country.names.de");
    countryNamesEn = json.stringOf(L"country.names.en");
    countryNamesEs = json.stringOf(L"country.names.es");
    maxmindQueries_remaining = json.IntOf(L"maxmind.queries_remaining");
    registered_countryIs_in_european_union = json.BoolOf(L"registered_country.is_in_european_union");
    registered_countryIso_code = json.stringOf(L"registered_country.iso_code");
    registered_countryGeoname_id = json.IntOf(L"registered_country.geoname_id");
    registered_countryNamesEs = json.stringOf(L"registered_country.names.es");
    registered_countryNamesFr = json.stringOf(L"registered_country.names.fr");
    registered_countryNamesJa = json.stringOf(L"registered_country.names.ja");
    registered_countryNamesPt_BR = json.stringOf(L"registered_country.names.pt-BR");
    registered_countryNamesRu = json.stringOf(L"registered_country.names.ru");
    registered_countryNamesZh_CN = json.stringOf(L"registered_country.names.zh-CN");
    registered_countryNamesDe = json.stringOf(L"registered_country.names.de");
    registered_countryNamesEn = json.stringOf(L"registered_country.names.en");
    traitsIp_address = json.stringOf(L"traits.ip_address");
    }