feat: sync httpdns sdk/platform updates without large binaries
This commit is contained in:
robin
608
HttpDNSSDK/sdk/ios/NewHttpDNS/Persistent/HttpdnsDB.m
Normal file
608
HttpDNSSDK/sdk/ios/NewHttpDNS/Persistent/HttpdnsDB.m
Normal file
@@ -0,0 +1,608 @@
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//
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// HttpdnsDB.m
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// NewHttpDNS
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//
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// Created by xuyecan on 2025/3/15.
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// Copyright © 2025 new-inc.com. All rights reserved.
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//
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#import "HttpdnsDB.h"
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#import "HttpdnsPersistenceUtils.h"
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#import <sqlite3.h>
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// 表名
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static NSString *const kTableName = @"httpdns_cache_table";
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// 列名
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static NSString *const kColumnId = @"id";
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static NSString *const kColumnCacheKey = @"cache_key";
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static NSString *const kColumnHostName = @"host_name";
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static NSString *const kColumnCreateAt = @"create_at";
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static NSString *const kColumnModifyAt = @"modify_at";
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static NSString *const kColumnClientIp = @"client_ip";
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static NSString *const kColumnV4Ips = @"v4_ips";
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static NSString *const kColumnV4Ttl = @"v4_ttl";
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static NSString *const kColumnV4LookupTime = @"v4_lookup_time";
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static NSString *const kColumnV6Ips = @"v6_ips";
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static NSString *const kColumnV6Ttl = @"v6_ttl";
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static NSString *const kColumnV6LookupTime = @"v6_lookup_time";
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static NSString *const kColumnExtra = @"extra";
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@interface HttpdnsDB ()
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@property (nonatomic, assign) sqlite3 *db;
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@property (nonatomic, copy) NSString *dbPath;
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@property (nonatomic, strong) dispatch_queue_t dbQueue;
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@end
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@implementation HttpdnsDB
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- (instancetype)initWithAccountId:(NSInteger)accountId {
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self = [super init];
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if (self) {
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// 创建数据库目录
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NSString *dbDir = [HttpdnsPersistenceUtils httpdnsDataDirectory];
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// 设置数据库路径
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_dbPath = [dbDir stringByAppendingPathComponent:[NSString stringWithFormat:@"%ld_v20250406.db", (long)accountId]];
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// 创建专用队列确保线程安全
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_dbQueue = dispatch_queue_create("com.new.httpdns.db", DISPATCH_QUEUE_SERIAL);
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// 打开数据库
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__block BOOL success = NO;
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dispatch_sync(_dbQueue, ^{
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success = [self openDB];
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});
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if (!success) {
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return nil;
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}
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}
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return self;
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}
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- (void)dealloc {
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if (_db) {
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sqlite3_close(_db);
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_db = NULL;
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}
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}
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#pragma mark - Public Methods
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- (BOOL)createOrUpdate:(HttpdnsHostRecord *)record {
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if (!record || !record.cacheKey) {
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return NO;
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}
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__block BOOL result = NO;
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dispatch_sync(_dbQueue, ^{
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// 检查记录是否存在，以便正确处理createAt
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HttpdnsHostRecord *existingRecord = [self selectByCacheKeyInternal:record.cacheKey];
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// 准备要保存的记录
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NSDate *now = [NSDate date];
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HttpdnsHostRecord *recordToSave;
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if (existingRecord) {
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// 更新记录，保留原始的createAt，更新modifyAt为当前时间
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recordToSave = [[HttpdnsHostRecord alloc] initWithId:record.id
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cacheKey:record.cacheKey
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hostName:record.hostName
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createAt:existingRecord.createAt // 保留原始createAt
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modifyAt:now // 更新modifyAt
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clientIp:record.clientIp
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v4ips:record.v4ips
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v4ttl:record.v4ttl
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v4LookupTime:record.v4LookupTime
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v6ips:record.v6ips
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v6ttl:record.v6ttl
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v6LookupTime:record.v6LookupTime
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extra:record.extra];
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} else {
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// 新记录，设置createAt和modifyAt为当前时间
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recordToSave = [[HttpdnsHostRecord alloc] initWithId:record.id
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cacheKey:record.cacheKey
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hostName:record.hostName
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createAt:now // 新记录的createAt
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modifyAt:now // 新记录的modifyAt
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clientIp:record.clientIp
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v4ips:record.v4ips
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v4ttl:record.v4ttl
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v4LookupTime:record.v4LookupTime
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v6ips:record.v6ips
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v6ttl:record.v6ttl
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v6LookupTime:record.v6LookupTime
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extra:record.extra];
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}
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// 使用INSERT OR REPLACE语法保存记录
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result = [self saveRecord:recordToSave];
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});
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return result;
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}
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- (nullable HttpdnsHostRecord *)selectByCacheKey:(NSString *)cacheKey {
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if (!cacheKey) {
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return nil;
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}
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__block HttpdnsHostRecord *record = nil;
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dispatch_sync(_dbQueue, ^{
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record = [self selectByCacheKeyInternal:cacheKey];
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});
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return record;
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}
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- (BOOL)deleteByCacheKey:(NSString *)cacheKey {
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if (!cacheKey) {
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return NO;
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}
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__block BOOL result = NO;
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dispatch_sync(_dbQueue, ^{
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NSString *sql = [NSString stringWithFormat:@"DELETE FROM %@ WHERE %@ = ?", kTableName, kColumnCacheKey];
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sqlite3_stmt *stmt;
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if (sqlite3_prepare_v2(_db, [sql UTF8String], -1, &stmt, NULL) == SQLITE_OK) {
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sqlite3_bind_text(stmt, 1, [cacheKey UTF8String], -1, SQLITE_TRANSIENT);
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result = (sqlite3_step(stmt) == SQLITE_DONE);
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sqlite3_finalize(stmt);
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}
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});
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return result;
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}
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- (NSInteger)deleteByHostNameArr:(NSArray<NSString *> *)hostNameArr {
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if (!hostNameArr || hostNameArr.count == 0) {
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return 0;
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}
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// 过滤掉空值
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NSMutableArray *validHostNames = [NSMutableArray array];
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for (NSString *hostname in hostNameArr) {
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if (hostname && hostname.length > 0) {
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[validHostNames addObject:hostname];
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}
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}
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if (validHostNames.count == 0) {
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return 0;
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}
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__block NSInteger deletedCount = 0;
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dispatch_sync(_dbQueue, ^{
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// 构建IN子句的占位符
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NSMutableString *placeholders = [NSMutableString string];
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for (NSUInteger i = 0; i < validHostNames.count; i++) {
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[placeholders appendString:@"?"];
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if (i < validHostNames.count - 1) {
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[placeholders appendString:@","];
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}
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}
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// 构建SQL语句
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NSString *sql = [NSString stringWithFormat:@"DELETE FROM %@ WHERE %@ IN (%@)",
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kTableName, kColumnHostName, placeholders];
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sqlite3_stmt *stmt;
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if (sqlite3_prepare_v2(_db, [sql UTF8String], -1, &stmt, NULL) == SQLITE_OK) {
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// 绑定所有参数
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for (NSUInteger i = 0; i < validHostNames.count; i++) {
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sqlite3_bind_text(stmt, (int)(i + 1), [validHostNames[i] UTF8String], -1, SQLITE_TRANSIENT);
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}
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// 执行删除
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if (sqlite3_step(stmt) == SQLITE_DONE) {
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deletedCount = sqlite3_changes(_db);
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} else {
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NSLog(@"Failed to delete records: %s", sqlite3_errmsg(_db));
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}
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sqlite3_finalize(stmt);
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} else {
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NSLog(@"Failed to prepare delete statement: %s", sqlite3_errmsg(_db));
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}
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});
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return deletedCount;
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}
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- (BOOL)deleteAll {
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__block BOOL result = NO;
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dispatch_sync(_dbQueue, ^{
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NSString *sql = [NSString stringWithFormat:@"DELETE FROM %@", kTableName];
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char *errMsg;
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result = (sqlite3_exec(_db, [sql UTF8String], NULL, NULL, &errMsg) == SQLITE_OK);
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if (errMsg) {
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NSLog(@"Failed to delete all records: %s", errMsg);
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sqlite3_free(errMsg);
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}
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});
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return result;
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}
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- (NSArray<HttpdnsHostRecord *> *)getAllRecords {
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__block NSMutableArray<HttpdnsHostRecord *> *records = [NSMutableArray array];
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dispatch_sync(_dbQueue, ^{
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NSString *sql = [NSString stringWithFormat:@"SELECT * FROM %@", kTableName];
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sqlite3_stmt *stmt;
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if (sqlite3_prepare_v2(_db, [sql UTF8String], -1, &stmt, NULL) == SQLITE_OK) {
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while (sqlite3_step(stmt) == SQLITE_ROW) {
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HttpdnsHostRecord *record = [self recordFromStatement:stmt];
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if (record) {
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[records addObject:record];
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}
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}
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sqlite3_finalize(stmt);
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} else {
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NSLog(@"Failed to prepare getAllRecords statement: %s", sqlite3_errmsg(_db));
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}
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});
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return [records copy];
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}
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- (NSInteger)cleanRecordAlreadExpiredAt:(NSTimeInterval)specifiedTime {
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__block NSInteger cleanedCount = 0;
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// 获取所有记录
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NSArray<HttpdnsHostRecord *> *allRecords = [self getAllRecords];
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dispatch_sync(_dbQueue, ^{
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for (HttpdnsHostRecord *record in allRecords) {
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BOOL v4Expired = NO;
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BOOL v6Expired = NO;
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// 检查IPv4记录是否过期
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if (record.v4LookupTime + record.v4ttl <= specifiedTime) {
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v4Expired = YES;
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}
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// 检查IPv6记录是否过期
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if (record.v6LookupTime + record.v6ttl <= specifiedTime) {
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v6Expired = YES;
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}
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// 如果两种IP类型都过期，删除整条记录
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if (v4Expired && v6Expired) {
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NSString *sql = [NSString stringWithFormat:@"DELETE FROM %@ WHERE %@ = ?", kTableName, kColumnCacheKey];
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sqlite3_stmt *stmt;
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if (sqlite3_prepare_v2(_db, [sql UTF8String], -1, &stmt, NULL) == SQLITE_OK) {
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sqlite3_bind_text(stmt, 1, [record.cacheKey UTF8String], -1, SQLITE_TRANSIENT);
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if (sqlite3_step(stmt) == SQLITE_DONE) {
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cleanedCount++;
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}
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sqlite3_finalize(stmt);
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}
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}
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// 如果只有一种IP类型过期，更新记录
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else if (v4Expired || v6Expired) {
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NSMutableArray<NSString *> *v4ips = [NSMutableArray arrayWithArray:record.v4ips];
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NSMutableArray<NSString *> *v6ips = [NSMutableArray arrayWithArray:record.v6ips];
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// 如果IPv4过期，清空IPv4记录
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if (v4Expired) {
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[v4ips removeAllObjects];
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}
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// 如果IPv6过期，清空IPv6记录
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if (v6Expired) {
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[v6ips removeAllObjects];
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}
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// 更新记录
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NSString *sql = [NSString stringWithFormat:
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@"UPDATE %@ SET %@ = ?, %@ = ? WHERE %@ = ?",
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kTableName,
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kColumnV4Ips,
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kColumnV6Ips,
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kColumnCacheKey];
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sqlite3_stmt *stmt;
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if (sqlite3_prepare_v2(_db, [sql UTF8String], -1, &stmt, NULL) == SQLITE_OK) {
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// 绑定v4ips
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if (v4ips.count > 0) {
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NSString *v4ipsStr = [v4ips componentsJoinedByString:@","];
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sqlite3_bind_text(stmt, 1, [v4ipsStr UTF8String], -1, SQLITE_TRANSIENT);
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} else {
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sqlite3_bind_null(stmt, 1);
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}
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// 绑定v6ips
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if (v6ips.count > 0) {
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NSString *v6ipsStr = [v6ips componentsJoinedByString:@","];
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sqlite3_bind_text(stmt, 2, [v6ipsStr UTF8String], -1, SQLITE_TRANSIENT);
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} else {
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sqlite3_bind_null(stmt, 2);
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}
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// 绑定cacheKey
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sqlite3_bind_text(stmt, 3, [record.cacheKey UTF8String], -1, SQLITE_TRANSIENT);
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if (sqlite3_step(stmt) == SQLITE_DONE) {
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cleanedCount++;
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}
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sqlite3_finalize(stmt);
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}
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}
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}
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});
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return cleanedCount;
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}
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#pragma mark - Private Methods
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- (BOOL)openDB {
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if (sqlite3_open([_dbPath UTF8String], &_db) != SQLITE_OK) {
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NSLog(@"Failed to open database: %s", sqlite3_errmsg(_db));
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return NO;
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}
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// 创建表
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return [self createTableIfNeeded];
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}
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- (BOOL)createTableIfNeeded {
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NSString *sql = [NSString stringWithFormat:
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@"CREATE TABLE IF NOT EXISTS %@ ("
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@"%@ INTEGER PRIMARY KEY AUTOINCREMENT, "
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@"%@ TEXT UNIQUE NOT NULL, "
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@"%@ TEXT NOT NULL, "
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@"%@ REAL, "
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@"%@ REAL, "
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@"%@ TEXT, "
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@"%@ TEXT, "
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@"%@ INTEGER, "
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@"%@ INTEGER, "
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@"%@ TEXT, "
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@"%@ INTEGER, "
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@"%@ INTEGER, "
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@"%@ TEXT"
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@")",
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kTableName,
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kColumnId,
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kColumnCacheKey,
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kColumnHostName,
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kColumnCreateAt,
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kColumnModifyAt,
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kColumnClientIp,
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kColumnV4Ips,
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kColumnV4Ttl,
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kColumnV4LookupTime,
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kColumnV6Ips,
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kColumnV6Ttl,
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kColumnV6LookupTime,
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kColumnExtra];
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char *errMsg;
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if (sqlite3_exec(_db, [sql UTF8String], NULL, NULL, &errMsg) != SQLITE_OK) {
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NSLog(@"Failed to create table: %s", errMsg);
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sqlite3_free(errMsg);
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return NO;
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}
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return YES;
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}
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- (BOOL)saveRecord:(HttpdnsHostRecord *)record {
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// 使用INSERT OR REPLACE语法，如果记录存在则更新，不存在则插入
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NSString *sql = [NSString stringWithFormat:
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@"INSERT OR REPLACE INTO %@ ("
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@"%@, %@, %@, %@, %@, %@, %@, %@, %@, %@, %@, %@) "
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@"VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
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kTableName,
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kColumnCacheKey,
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kColumnHostName,
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kColumnCreateAt,
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kColumnModifyAt,
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kColumnClientIp,
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kColumnV4Ips,
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kColumnV4Ttl,
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kColumnV4LookupTime,
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kColumnV6Ips,
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kColumnV6Ttl,
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kColumnV6LookupTime,
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kColumnExtra];
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sqlite3_stmt *stmt;
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if (sqlite3_prepare_v2(_db, [sql UTF8String], -1, &stmt, NULL) != SQLITE_OK) {
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NSLog(@"Failed to prepare save statement: %s", sqlite3_errmsg(_db));
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return NO;
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}
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// 绑定参数
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int index = 1;
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// 绑定cacheKey (唯一键)
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sqlite3_bind_text(stmt, index++, [record.cacheKey UTF8String], -1, SQLITE_TRANSIENT);
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// 绑定hostName
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sqlite3_bind_text(stmt, index++, [record.hostName UTF8String], -1, SQLITE_TRANSIENT);
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// 绑定createAt
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if (record.createAt) {
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sqlite3_bind_double(stmt, index++, [record.createAt timeIntervalSince1970]);
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} else {
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sqlite3_bind_null(stmt, index++);
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}
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// 绑定modifyAt
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if (record.modifyAt) {
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sqlite3_bind_double(stmt, index++, [record.modifyAt timeIntervalSince1970]);
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} else {
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sqlite3_bind_null(stmt, index++);
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}
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// 绑定clientIp
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if (record.clientIp) {
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sqlite3_bind_text(stmt, index++, [record.clientIp UTF8String], -1, SQLITE_TRANSIENT);
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} else {
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sqlite3_bind_null(stmt, index++);
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}
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// 绑定v4ips
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if (record.v4ips.count > 0) {
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NSString *v4ipsStr = [record.v4ips componentsJoinedByString:@","];
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sqlite3_bind_text(stmt, index++, [v4ipsStr UTF8String], -1, SQLITE_TRANSIENT);
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} else {
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sqlite3_bind_null(stmt, index++);
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}
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// 绑定v4ttl
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sqlite3_bind_int64(stmt, index++, record.v4ttl);
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||||
// 绑定v4LookupTime
|
||||
sqlite3_bind_int64(stmt, index++, record.v4LookupTime);
|
||||
|
||||
// 绑定v6ips
|
||||
if (record.v6ips.count > 0) {
|
||||
NSString *v6ipsStr = [record.v6ips componentsJoinedByString:@","];
|
||||
sqlite3_bind_text(stmt, index++, [v6ipsStr UTF8String], -1, SQLITE_TRANSIENT);
|
||||
} else {
|
||||
sqlite3_bind_null(stmt, index++);
|
||||
}
|
||||
|
||||
// 绑定v6ttl
|
||||
sqlite3_bind_int64(stmt, index++, record.v6ttl);
|
||||
|
||||
// 绑定v6LookupTime
|
||||
sqlite3_bind_int64(stmt, index++, record.v6LookupTime);
|
||||
|
||||
// 绑定extra
|
||||
if (record.extra) {
|
||||
sqlite3_bind_text(stmt, index++, [record.extra UTF8String], -1, SQLITE_TRANSIENT);
|
||||
} else {
|
||||
sqlite3_bind_null(stmt, index++);
|
||||
}
|
||||
|
||||
BOOL result = (sqlite3_step(stmt) == SQLITE_DONE);
|
||||
sqlite3_finalize(stmt);
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
- (HttpdnsHostRecord *)selectByCacheKeyInternal:(NSString *)cacheKey {
|
||||
NSString *sql = [NSString stringWithFormat:@"SELECT * FROM %@ WHERE %@ = ?", kTableName, kColumnCacheKey];
|
||||
sqlite3_stmt *stmt;
|
||||
|
||||
if (sqlite3_prepare_v2(_db, [sql UTF8String], -1, &stmt, NULL) != SQLITE_OK) {
|
||||
NSLog(@"Failed to prepare query statement: %s", sqlite3_errmsg(_db));
|
||||
return nil;
|
||||
}
|
||||
|
||||
sqlite3_bind_text(stmt, 1, [cacheKey UTF8String], -1, SQLITE_TRANSIENT);
|
||||
|
||||
HttpdnsHostRecord *record = nil;
|
||||
if (sqlite3_step(stmt) == SQLITE_ROW) {
|
||||
record = [self recordFromStatement:stmt];
|
||||
}
|
||||
|
||||
sqlite3_finalize(stmt);
|
||||
return record;
|
||||
}
|
||||
|
||||
- (HttpdnsHostRecord *)recordFromStatement:(sqlite3_stmt *)stmt {
|
||||
// 获取id
|
||||
NSUInteger recordId = (NSUInteger)sqlite3_column_int64(stmt, 0);
|
||||
|
||||
// 获取cacheKey
|
||||
const char *cacheKeyChars = (const char *)sqlite3_column_text(stmt, 1);
|
||||
NSString *cacheKey = cacheKeyChars ? [NSString stringWithUTF8String:cacheKeyChars] : nil;
|
||||
|
||||
// 获取hostName
|
||||
const char *hostNameChars = (const char *)sqlite3_column_text(stmt, 2);
|
||||
NSString *hostName = hostNameChars ? [NSString stringWithUTF8String:hostNameChars] : nil;
|
||||
|
||||
// 获取createAt
|
||||
NSDate *createAt = nil;
|
||||
if (sqlite3_column_type(stmt, 3) != SQLITE_NULL) {
|
||||
double createAtTimestamp = sqlite3_column_double(stmt, 3);
|
||||
createAt = [NSDate dateWithTimeIntervalSince1970:createAtTimestamp];
|
||||
}
|
||||
|
||||
// 获取modifyAt
|
||||
NSDate *modifyAt = nil;
|
||||
if (sqlite3_column_type(stmt, 4) != SQLITE_NULL) {
|
||||
double modifyAtTimestamp = sqlite3_column_double(stmt, 4);
|
||||
modifyAt = [NSDate dateWithTimeIntervalSince1970:modifyAtTimestamp];
|
||||
}
|
||||
|
||||
// 获取clientIp
|
||||
const char *clientIpChars = (const char *)sqlite3_column_text(stmt, 5);
|
||||
NSString *clientIp = clientIpChars ? [NSString stringWithUTF8String:clientIpChars] : nil;
|
||||
|
||||
// 获取v4ips
|
||||
NSArray<NSString *> *v4ips = nil;
|
||||
const char *v4ipsChars = (const char *)sqlite3_column_text(stmt, 6);
|
||||
if (v4ipsChars) {
|
||||
NSString *v4ipsStr = [NSString stringWithUTF8String:v4ipsChars];
|
||||
v4ips = [v4ipsStr componentsSeparatedByString:@","];
|
||||
} else {
|
||||
v4ips = @[];
|
||||
}
|
||||
|
||||
// 获取v4ttl
|
||||
int64_t v4ttl = sqlite3_column_int64(stmt, 7);
|
||||
|
||||
// 获取v4LookupTime
|
||||
int64_t v4LookupTime = sqlite3_column_int64(stmt, 8);
|
||||
|
||||
// 获取v6ips
|
||||
NSArray<NSString *> *v6ips = nil;
|
||||
const char *v6ipsChars = (const char *)sqlite3_column_text(stmt, 9);
|
||||
if (v6ipsChars) {
|
||||
NSString *v6ipsStr = [NSString stringWithUTF8String:v6ipsChars];
|
||||
v6ips = [v6ipsStr componentsSeparatedByString:@","];
|
||||
} else {
|
||||
v6ips = @[];
|
||||
}
|
||||
|
||||
// 获取v6ttl
|
||||
int64_t v6ttl = sqlite3_column_int64(stmt, 10);
|
||||
|
||||
// 获取v6LookupTime
|
||||
int64_t v6LookupTime = sqlite3_column_int64(stmt, 11);
|
||||
|
||||
// 获取extra
|
||||
NSString *extra = nil;
|
||||
const char *extraChars = (const char *)sqlite3_column_text(stmt, 12);
|
||||
if (extraChars) {
|
||||
extra = [NSString stringWithUTF8String:extraChars];
|
||||
}
|
||||
|
||||
// 创建记录对象
|
||||
return [[HttpdnsHostRecord alloc] initWithId:recordId
|
||||
cacheKey:cacheKey
|
||||
hostName:hostName
|
||||
createAt:createAt
|
||||
modifyAt:modifyAt
|
||||
clientIp:clientIp
|
||||
v4ips:v4ips
|
||||
v4ttl:v4ttl
|
||||
v4LookupTime:v4LookupTime
|
||||
v6ips:v6ips
|
||||
v6ttl:v6ttl
|
||||
v6LookupTime:v6LookupTime
|
||||
extra:extra];
|
||||
}
|
||||
|
||||
@end
|
||||
Reference in New Issue
Block a user