阿里sdk

2026-02-20 17:56:24 +08:00
parent 39524692e5
commit f3af234308
524 changed files with 58345 additions and 0 deletions
--- a/EdgeHttpDNS/sdk/ios/AlicloudHttpDNSTests/HighLevelTest/EnableReuseExpiredIpTest.m
+++ b/EdgeHttpDNS/sdk/ios/AlicloudHttpDNSTests/HighLevelTest/EnableReuseExpiredIpTest.m
@@ -0,0 +1,101 @@
+//
+//  EnableReuseExpiredIpTest.m
+//  AlicloudHttpDNSTests
+//
+//  Created by xuyecan on 2024/5/28.
+//  Copyright © 2024 alibaba-inc.com. All rights reserved.
+//
+
+#import <Foundation/Foundation.h>
+#import "TestBase.h"
+
+@interface EnableReuseExpiredIpTest : TestBase <HttpdnsTTLDelegate>
+
+@end
+
+static int ttlForTest = 3;
+
+@implementation EnableReuseExpiredIpTest
+
+ (void)setUp {
+    [super setUp];
+}
+
+- (void)setUp {
+    [super setUp];
+
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        self.httpdns = [[HttpDnsService alloc] initWithAccountID:100000];
+    });
+
+    [self.httpdns setLogEnabled:YES];
+
+    [self.httpdns setReuseExpiredIPEnabled:YES];
+
+    [self.httpdns setTtlDelegate:self];
+    [self.httpdns setLogHandler:self];
+
+    self.currentTimeStamp = [[NSDate date] timeIntervalSince1970];
+}
+
+- (int64_t)httpdnsHost:(NSString *)host ipType:(AlicloudHttpDNS_IPType)ipType ttl:(int64_t)ttl {
+    // 在测试中域名快速过期
+    return ttlForTest;
+}
+
+- (void)testReuseExpiredIp {
+    NSString *host = hostNameIpPrefixMap.allKeys.firstObject;
+    NSString *ipPrefix = hostNameIpPrefixMap[host];
+
+    dispatch_semaphore_t semaphore = dispatch_semaphore_create(0);
+
+    dispatch_async(dispatch_get_global_queue(0, 0), ^{
+        // 清空缓存
+        [self.httpdns.requestManager cleanAllHostMemoryCache];
+
+        // 首次解析
+        HttpdnsResult *result = [self.httpdns resolveHostSync:host byIpType:HttpdnsQueryIPTypeIpv4];
+        XCTAssertNotNil(result);
+        XCTAssertTrue([result.host isEqualToString:host]);
+        XCTAssertGreaterThan(result.ttl, 0);
+        XCTAssertLessThanOrEqual(result.ttl, ttlForTest);
+        XCTAssertLessThan([[NSDate date] timeIntervalSince1970], result.lastUpdatedTimeInterval + result.ttl);
+        NSString *firstIp = [result firstIpv4Address];
+        XCTAssertTrue([firstIp hasPrefix:ipPrefix]);
+
+        // 等待过期
+        [NSThread sleepForTimeInterval:ttlForTest + 1];
+
+        // 重复解析
+        HttpdnsResult *result2 = [self.httpdns resolveHostSync:host byIpType:HttpdnsQueryIPTypeIpv4];
+        XCTAssertNotNil(result2);
+        XCTAssertTrue([result2.host isEqualToString:host]);
+        XCTAssertGreaterThan(result2.ttl, 0);
+        XCTAssertLessThanOrEqual(result2.ttl, ttlForTest);
+        // 因为运行复用过期解析结果，因此这里获得的一定是已经过期的
+        XCTAssertGreaterThan([[NSDate date] timeIntervalSince1970], result2.lastUpdatedTimeInterval + result2.ttl);
+        NSString *firstIp2 = [result2 firstIpv4Address];
+        XCTAssertTrue([firstIp2 hasPrefix:ipPrefix]);
+
+        // 等待第二次解析触发的请求完成
+        [NSThread sleepForTimeInterval:1];
+
+        // 再次使用nonblocking方法解析，此时应该已经拿到有效结果
+        HttpdnsResult *result3 = [self.httpdns resolveHostSyncNonBlocking:host byIpType:HttpdnsQueryIPTypeIpv4];
+        XCTAssertNotNil(result3);
+        XCTAssertTrue([result3.host isEqualToString:host]);
+        XCTAssertGreaterThan(result3.ttl, 0);
+        XCTAssertLessThanOrEqual(result3.ttl, ttlForTest);
+        // 有效结果必定未过期
+        XCTAssertLessThan([[NSDate date] timeIntervalSince1970], result3.lastUpdatedTimeInterval + result3.ttl);
+        NSString *firstIp3 = [result3 firstIpv4Address];
+        XCTAssertTrue([firstIp3 hasPrefix:ipPrefix]);
+
+        dispatch_semaphore_signal(semaphore);
+    });
+
+    dispatch_semaphore_wait(semaphore, DISPATCH_TIME_FOREVER);
+}
+
+@end