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#60 GeoIP 共享单例化：消除访问日志 region 解析每批次的 mmdb 重建开销与无界缓存，ctx 贯穿下载路径

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This commit is contained in:
ryan
2026-08-26 13:48:44 +08:00
parent b56f27632a
commit 2b69f4d8d7
6 changed files with 56 additions and 60 deletions
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pkg/geoip/mmdb.go
+5 -4
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@@ -45,11 +45,12 @@ func (s *MaxMindGeoIPService) Name() string {
// NewMaxMindGeoIPService creates a MaxMind service using the default database path and URL.
func NewMaxMindGeoIPService() (*MaxMindGeoIPService, error) {
return NewMaxMindGeoIPServiceWithConfig(GeoIPFilePath, GeoIPURL)
return NewMaxMindGeoIPServiceWithContext(context.Background(), GeoIPFilePath, GeoIPURL)
}
// NewMaxMindGeoIPServiceWithConfig creates a MaxMind service with custom database path and download URL.
func NewMaxMindGeoIPServiceWithConfig(dbFilePath string, downloadURL string) (*MaxMindGeoIPService, error) {
// NewMaxMindGeoIPServiceWithContext creates a MaxMind service with a caller-supplied
// context so the initial database download honors request cancellation.
func NewMaxMindGeoIPServiceWithContext(ctx context.Context, dbFilePath string, downloadURL string) (*MaxMindGeoIPService, error) {
if dbFilePath == "" {
dbFilePath = GeoIPFilePath
}
@@ -65,7 +66,7 @@ func NewMaxMindGeoIPServiceWithConfig(dbFilePath string, downloadURL string) (*M
}
if _, err := os.Stat(service.dbFilePath); os.IsNotExist(err) {
if err := DownloadMaxMindDatabase(context.Background(), service.dbFilePath, downloadURL); err != nil {
if err := DownloadMaxMindDatabase(ctx, service.dbFilePath, downloadURL); err != nil {
return nil, fmt.Errorf("failed to download initial MaxMind database: %w", err)
}
}