Zig

ipstack.com IPv4 Geolocation Lookup

See more Geolocation Examples

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

const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

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

    const http = try chilkat.Http.init();
    defer http.deinit();

    // Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
    const json_str = http.quickGetStr(alloc, "http://api.ipstack.com/149.250.207.170?access_key=YOUR_ACCESS_KEY") catch {
        std.debug.print("{s}\n", .{try http.getLastErrorText(alloc)});
        return;
    };

    const json = try chilkat.JsonObject.init();
    defer json.deinit();
    json.setEmitCompact(false);
    try json.load(json_str);

    std.debug.print("{s}\n", .{try json.emit(alloc)});

    // 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
    //   }
    // }

    var i: i32 = 0;
    var code: [:0]const u8 = "";
    var name: [:0]const u8 = "";
    var native: [:0]const u8 = "";

    _ = try json.stringOf(alloc, "ip");
    _ = try json.stringOf(alloc, "type");
    _ = try json.stringOf(alloc, "continent_code");
    _ = try json.stringOf(alloc, "continent_name");
    _ = try json.stringOf(alloc, "country_code");
    _ = try json.stringOf(alloc, "country_name");
    _ = try json.stringOf(alloc, "region_code");
    _ = try json.stringOf(alloc, "region_name");
    _ = try json.stringOf(alloc, "city");
    _ = try json.stringOf(alloc, "zip");
    _ = try json.stringOf(alloc, "latitude");
    _ = try json.stringOf(alloc, "longitude");
    _ = try json.stringOf(alloc, "location.geoname_id");
    _ = try json.stringOf(alloc, "location.capital");
    _ = try json.stringOf(alloc, "location.country_flag");
    _ = try json.stringOf(alloc, "location.country_flag_emoji");
    _ = try json.stringOf(alloc, "location.country_flag_emoji_unicode");
    _ = try json.stringOf(alloc, "location.calling_code");
    _ = json.boolOf("location.is_eu");
    i = 0;
    const count_i = json.sizeOfArray("location.languages");
    while (i < count_i) {
        json.setI(i);
        code = try json.stringOf(alloc, "location.languages[i].code");
        name = try json.stringOf(alloc, "location.languages[i].name");
        native = try json.stringOf(alloc, "location.languages[i].native");
        i = i + 1;
    }
}