feat: sync httpdns sdk/platform updates without large binaries

HttpDNSSDK/sdk/ios/NewHttpDNS/IpStack/HttpdnsIpStackDetector.h

@@ -0,0 +1,50 @@
+//
+//  HttpdnsIpStackDetector.h
+//  TrustHttpDNS
+//
+//  Created by xuyecan on 2025/3/16.
+//  Copyright © 2025 trustapp.com. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+
+NS_ASSUME_NONNULL_BEGIN
+
+/**
+ * IP 协议栈类<E6A088><E7B1BB>?
+ */
+typedef enum {
+    kHttpdnsIpUnknown     = 0,   // 未知协议<E58D8F><E8AEAE>?
+    kHttpdnsIpv4Only     = 1,    // IPv4-only
+    kHttpdnsIpv6Only     = 2,    // IPv6-only
+    kHttpdnsIpDual       = 3     // 双栈
+} HttpdnsIPStackType;
+
+@interface HttpdnsIpStackDetector : NSObject
+
+/**
+ * 返回HttpdnsIpStackDetector的共享实<E4BAAB><E5AE9E>?
+ * @return HttpdnsIpStackDetector实例
+ */
++ (instancetype)sharedInstance;
+
+/**
+ * 返回当前缓存的IP协议栈类型，不执行检<E8A18C><E6A380>?
+ * @return HttpdnsIPStackType
+ */
+- (HttpdnsIPStackType)currentIpStack;
+
+/**
+ * 返回当前是否是IPv6-only网络
+ * @return BOOL
+ */
+- (BOOL)isIpv6OnlyNetwork;
+
+/**
+ * 强制重新检测IP协议栈类<E6A088><E7B1BB>?
+ */
+- (void)redetectIpStack;
+
+@end
+
+NS_ASSUME_NONNULL_END