feat: sync httpdns sdk/platform updates without large binaries

HttpDNSSDK/sdk/ios/NewHttpDNS/Scheduler/HttpdnsScheduleCenter.h

@@ -0,0 +1,59 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+
+#import <Foundation/Foundation.h>
+
+@interface HttpdnsScheduleCenter : NSObject
+
+/// 针对多账号场景的调度中心构造方<E980A0><E696B9>?
+/// 注意：若无需多账号隔离，可继续使<E7BBAD><E4BDBF>?sharedInstance
+- (instancetype)initWithAccountId:(NSInteger)accountId;
+
+- (void)initRegion:(NSString *)region;
+
+- (void)resetRegion:(NSString *)region;
+
+- (void)asyncUpdateRegionScheduleConfig;
+
+- (void)rotateServiceServerHost;
+
+- (NSString *)currentActiveServiceServerV4Host;
+
+- (NSString *)currentActiveServiceServerV6Host;
+
+
+#pragma mark - Expose to Testcases
+
+- (void)asyncUpdateRegionScheduleConfigAtRetry:(int)retryCount;
+
+- (NSString *)getActiveUpdateServerHost;
+
+- (NSArray<NSString *> *)currentUpdateServerV4HostList;
+
+- (NSArray<NSString *> *)currentServiceServerV4HostList;
+
+- (NSArray<NSString *> *)currentUpdateServerV6HostList;
+
+- (NSArray<NSString *> *)currentServiceServerV6HostList;
+
+- (int)currentActiveUpdateServerHostIndex;
+
+- (int)currentActiveServiceServerHostIndex;
+
+@end