feat(agentcompat): add SQLite hold scoped attribution

Co-authored-by: naiba/CloudCode <hi+cloudcode@nai.ba>

service/singleton/singleton.go

@@ -11,7 +11,6 @@ import (
 
 	"github.com/gin-gonic/gin"
 	"github.com/patrickmn/go-cache"
-	"gorm.io/driver/sqlite"
 	"gorm.io/gorm"
 	"sigs.k8s.io/yaml"
 
@@ -81,7 +80,7 @@ func InitFrontendTemplates() error {
 // InitDBFromPath 从给出的文件路径中加载数据库
 func InitDBFromPath(path string) error {
 	var err error
-	DB, err = gorm.Open(sqlite.Open(path), &gorm.Config{
+	DB, err = gorm.Open(openSQLiteDialector(path), &gorm.Config{
 		CreateBatchSize: 200,
 	})
 	if err != nil {
@@ -126,16 +125,15 @@ func RecordTransferHourlyUsage(servers ...*model.Server) {
 	}
 
 	for server := range slist {
+		_, _, deltaIn, deltaOut := server.TransferDeltaAndAdvance()
 		tx := model.Transfer{
 			ServerID: server.ID,
-			In:       utils.SubUintChecked(server.State.NetInTransfer, server.PrevTransferInSnapshot),
-			Out:      utils.SubUintChecked(server.State.NetOutTransfer, server.PrevTransferOutSnapshot),
+			In:       deltaIn,
+			Out:      deltaOut,
 		}
 		if tx.In == 0 && tx.Out == 0 {
 			continue
 		}
-		server.PrevTransferInSnapshot = server.State.NetInTransfer
-		server.PrevTransferOutSnapshot = server.State.NetOutTransfer
 		tx.CreatedAt = nowTrimSeconds
 		txs = append(txs, tx)
 	}
@@ -146,6 +144,13 @@ func RecordTransferHourlyUsage(servers ...*model.Server) {
 	log.Printf("NEZHA>> Saved traffic metrics to database. Affected %d row(s), Error: %v", len(txs), DB.Create(txs).Error)
 }
 
+func PersistTransfer(transfer model.Transfer) error {
+	if transfer.In == 0 && transfer.Out == 0 {
+		return nil
+	}
+	return DB.Create(&transfer).Error
+}
+
 // CleanMonitorHistory 清理流量记录（TSDB 有自己的保留策略）
 func CleanMonitorHistory() {
 	// 清理已被删除的服务器的流量记录