(MFC) ipapi.co IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the ipapi.co 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("https://ipapi.co/149.250.207.170/json");
    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",
    //   "city": "Bblingen",
    //   "region": "Baden-Wrttemberg",
    //   "region_code": null,
    //   "country": "DE",
    //   "country_name": "Germany",
    //   "continent_code": "EU",
    //   "in_eu": true,
    //   "postal": null,
    //   "latitude": null,
    //   "longitude": null,
    //   "timezone": null,
    //   "utc_offset": null,
    //   "country_calling_code": "+49",
    //   "currency": "EUR",
    //   "languages": "de",
    //   "asn": "AS15854",
    //   "org": "EntServ Deutschland GmbH"
    // }

    const char *ip = 0;
    const char *city = 0;
    const char *region = 0;
    const char *region_code = 0;
    const char *country = 0;
    const char *country_name = 0;
    const char *continent_code = 0;
    bool in_eu;
    const char *postal = 0;
    const char *latitude = 0;
    const char *longitude = 0;
    const char *timezone = 0;
    const char *utc_offset = 0;
    const char *country_calling_code = 0;
    const char *currency = 0;
    const char *languages = 0;
    const char *asn = 0;
    const char *org = 0;

    ip = json.stringOf("ip");
    city = json.stringOf("city");
    region = json.stringOf("region");
    region_code = json.stringOf("region_code");
    country = json.stringOf("country");
    country_name = json.stringOf("country_name");
    continent_code = json.stringOf("continent_code");
    in_eu = json.BoolOf("in_eu");
    postal = json.stringOf("postal");
    latitude = json.stringOf("latitude");
    longitude = json.stringOf("longitude");
    timezone = json.stringOf("timezone");
    utc_offset = json.stringOf("utc_offset");
    country_calling_code = json.stringOf("country_calling_code");
    currency = json.stringOf("currency");
    languages = json.stringOf("languages");
    asn = json.stringOf("asn");
    org = json.stringOf("org");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }