AFHTTPSessionManager *client = [[AFHTTPSessionManager alloc] init];
client.requestSerializer = [AFHTTPRequestSerializer serializer];
client.responseSerializer = [AFJSONResponseSerializer serializer];
client.requestSerializer.timeoutInterval = 30.0f;
[client GET:@"http://ipinfo.io/json" parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id _Nullable responseObject) {
if (responseObject) {
NSDictionary *dicContent = responseObject;
ip = [dicContent objectForKey:@"ip"];
}
} failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
ip = @"0.0.0.0";
}];
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