// 注册拦截请求的 NSURLProtocol
[NSURLProtocol registerClass:[MSDKDnsHttpMessageTools class]];

// 需要设置 SNI 的 URL，比如 https://www.qq.com
NSString *originalUrl = @"your url";
NSURL *url = [NSURL URLWithString:originalUrl];
NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];

// NSURLConnection 例子
self.connection = [[NSURLConnection alloc] initWithRequest:request delegate:self];
[self.connection start];

// NSURLSession 例子
NSURLSessionConfiguration *configuration = [NSURLSessionConfiguration defaultSessionConfiguration];
NSArray *protocolArray = @[ [MSDKDnsHttpMessageTools class] ];
configuration.protocolClasses = protocolArray;
NSURLSession *session = [NSURLSession sessionWithConfiguration:configuration delegate:self delegateQueue:[NSOperationQueue mainQueue]];
self.task = [session dataTaskWithRequest:request];
[self.task resume];

// AFNetworking 例子
NSURLSessionConfiguration *config = [NSURLSessionConfiguration defaultSessionConfiguration];
NSArray *protocolArray = @[[MSDKDnsHttpMessageTools class]];
config.protocolClasses = protocolArray;
AFHTTPSessionManager* sessionManager = [[AFHTTPSessionManager alloc] initWithSessionConfiguration:config];
sessionManager.responseSerializer = [AFHTTPResponseSerializer serializer];
NSURLSessionDataTask* task = [sessionManager dataTaskWithRequest:request uploadProgress:^(NSProgress * _Nonnull uploadProgress) {
    NSLog(@"update upload progress %@", uploadProgress.description);
} downloadProgress:^(NSProgress * _Nonnull downloadProgress) {
    NSLog(@"update download progress %@", downloadProgress.description);
} completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
    NSLog(@"request complete ==== response: %@ ===== error: %@", [NSString stringWithFormat:@"%@", responseObject], error);
}];
[task resume];

#pragma mark - SNI 场景，仅调用一次即可，请勿多次调用
/**
 SNI 场景下设置需要拦截的域名列表
 建议使用该接口设置，仅拦截 SNI 场景下的域名，避免拦截其它场景下的域名

 @param hijackDomainArray 需要拦截的域名列表
 */
- (void) WGSetHijackDomainArray:(NSArray *)hijackDomainArray;

/**
 SNI 场景下设置不需要拦截的域名列表

 @param noHijackDomainArray 不需要拦截的域名列表
 */
 - (void) WGSetNoHijackDomainArray:(NSArray *)noHijackDomainArray;