(MFC) api.db-ip.com IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the api.db-ip.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.db-ip.com/v2/free/149.250.207.170");
    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

    // {
    //   "ipAddress": "149.250.207.170",
    //   "continentCode": "EU",
    //   "continentName": "Europe",
    //   "countryCode": "DE",
    //   "countryName": "Germany",
    //   "stateProv": "Baden-W\u00fcrttemberg",
    //   "city": "B\u00f6blingen"
    // }

    const char *ipAddress = 0;
    const char *continentCode = 0;
    const char *continentName = 0;
    const char *countryCode = 0;
    const char *countryName = 0;
    const char *stateProv = 0;
    const char *city = 0;

    ipAddress = json.stringOf("ipAddress");
    continentCode = json.stringOf("continentCode");
    continentName = json.stringOf("continentName");
    countryCode = json.stringOf("countryCode");
    countryName = json.stringOf("countryName");
    stateProv = json.stringOf("stateProv");
    city = json.stringOf("city");


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }