(MFC) ipstack.com IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the ipstack.com REST API.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkHttp.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

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

    CkHttp http;

    // Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
    const char *jsonStr = http.quickGetStr("http://api.ipstack.com/149.250.207.170?access_key=YOUR_ACCESS_KEY");
    if (http.get_LastMethodSuccess() == false) {
        strOut.append(http.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    strOut.append(json.emit());
    strOut.append("\r\n");

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

    // {
    //   "ip": "149.250.207.170",
    //   "type": "ipv4",
    //   "continent_code": "EU",
    //   "continent_name": "Europe",
    //   "country_code": "DE",
    //   "country_name": "Germany",
    //   "region_code": null,
    //   "region_name": null,
    //   "city": null,
    //   "zip": null,
    //   "latitude": 51.2993,
    //   "longitude": 9.491,
    //   "location": {
    //     "geoname_id": null,
    //     "capital": "Berlin",
    //     "languages": [
    //       {
    //         "code": "de",
    //         "name": "German",
    //         "native": "Deutsch"
    //       }
    //     ],
    //     "country_flag": "http:\/\/assets.ipstack.com\/flags\/de.svg",
    //     "country_flag_emoji": "\ud83c\udde9\ud83c\uddea",
    //     "country_flag_emoji_unicode": "U+1F1E9 U+1F1EA",
    //     "calling_code": "49",
    //     "is_eu": true
    //   }
    // }

    const char *ip = 0;
    const char *v_type = 0;
    const char *continent_code = 0;
    const char *continent_name = 0;
    const char *country_code = 0;
    const char *country_name = 0;
    const char *region_code = 0;
    const char *region_name = 0;
    const char *city = 0;
    const char *zip = 0;
    const char *latitude = 0;
    const char *longitude = 0;
    const char *locationGeoname_id = 0;
    const char *locationCapital = 0;
    const char *locationCountry_flag = 0;
    const char *locationCountry_flag_emoji = 0;
    const char *locationCountry_flag_emoji_unicode = 0;
    const char *locationCalling_code = 0;
    bool locationIs_eu;
    int i;
    int count_i;
    const char *code = 0;
    const char *name = 0;
    const char *native = 0;

    ip = json.stringOf("ip");
    v_type = json.stringOf("type");
    continent_code = json.stringOf("continent_code");
    continent_name = json.stringOf("continent_name");
    country_code = json.stringOf("country_code");
    country_name = json.stringOf("country_name");
    region_code = json.stringOf("region_code");
    region_name = json.stringOf("region_name");
    city = json.stringOf("city");
    zip = json.stringOf("zip");
    latitude = json.stringOf("latitude");
    longitude = json.stringOf("longitude");
    locationGeoname_id = json.stringOf("location.geoname_id");
    locationCapital = json.stringOf("location.capital");
    locationCountry_flag = json.stringOf("location.country_flag");
    locationCountry_flag_emoji = json.stringOf("location.country_flag_emoji");
    locationCountry_flag_emoji_unicode = json.stringOf("location.country_flag_emoji_unicode");
    locationCalling_code = json.stringOf("location.calling_code");
    locationIs_eu = json.BoolOf("location.is_eu");
    i = 0;
    count_i = json.SizeOfArray("location.languages");
    while (i < count_i) {
        json.put_I(i);
        code = json.stringOf("location.languages[i].code");
        name = json.stringOf("location.languages[i].name");
        native = json.stringOf("location.languages[i].native");
        i = i + 1;
    }



    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }