tencent cloud

NSURL *httpDnsURL = [NSURL URLWithString:@"URL concatenated with parsing result ip"];
float timeOut = timeout period;
NSMutableURLRequest *mutableReq = [NSMutableURLRequest requestWithURL:httpDnsURL cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval: timeOut];
[mutableReq setValue:@"original domain name" forHTTPHeaderField:@"host"];
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration delegate:self delegateQueue:[NSOperationQueue currentQueue]];
NSURLSessionTask *task = [session dataTaskWithRequest:mutableReq];
[task resume];

curl -H "host:www.qq.com" http://192.168.0.111/aaa.txt.

string httpDnsURL = "URL concatenated with parsing result ip";
Dictionary<string, string> headers = new Dictionary<string, string> ();
headers["host"] = "original domain name";
WWW conn = new WWW (url, null, headers);
yield return conn;
if (conn.error != null) {
    print("error is happened:"+ conn.error);
} else {
    print("request ok" + conn.text);
}

NSURL *httpDnsURL = [NSURL URLWithString:@"URL concatenated with parsing result ip"];
float timeOut = timeout period;
NSMutableURLRequest *mutableReq = [NSMutableURLRequest requestWithURL:httpDnsURL cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval: timeOut];
[mutableReq setValue:@"original domain name" forHTTPHeaderField:@"host"];
NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];
AFHTTPSessionManager* sessionManager = [[AFHTTPSessionManager alloc] initWithSessionConfiguration:config];
sessionManager.responseSerializer = [AFHTTPResponseSerializer serializer];
NSURLSessionDataTask *task = [sessionManager dataTaskWithRequest:mutableReq
                                                    uploadProgress:nil
                                                  downloadProgress:nil
                                                 completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
    if (!error) {
        NSString *responseString = [[NSString alloc] initWithData:responseObject encoding:NSUTF8StringEncoding];
        NSLog(@"request complete ==== response: %@ ===== error: nil", responseString);
    } else {
        NSLog(@"request complete ==== response: nil ===== error: %@", error);
    }
}];
[task resume];