86 lines
1.6 KiB
Go
86 lines
1.6 KiB
Go
package mysql
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import (
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"git.hlsq.asia/mmorpg/service-common/config"
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"git.hlsq.asia/mmorpg/service-common/log"
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"gorm.io/driver/mysql"
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"gorm.io/gorm"
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"gorm.io/gorm/logger"
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"time"
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)
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type DBName string
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var dbs = make(map[DBName]*gorm.DB)
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func Init(cfg map[string]*config.MySQLConfig) error {
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for name, oneConfig := range cfg {
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if db, err := initOneDB(oneConfig); err != nil {
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return err
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} else {
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dbs[DBName(name)] = db
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}
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}
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return nil
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}
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func initOneDB(cfg *config.MySQLConfig) (*gorm.DB, error) {
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db, err := gorm.Open(
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mysql.Open(cfg.Dsn),
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&gorm.Config{
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TranslateError: true,
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Logger: logger.Default.LogMode(parseLogLevel(cfg.LogLevel)),
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},
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)
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if err != nil {
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return nil, err
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}
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sqlDB, err := db.DB()
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if err != nil {
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return nil, err
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}
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sqlDB.SetMaxOpenConns(int(cfg.MaxOpenConn))
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sqlDB.SetMaxIdleConns(int(cfg.MaxIdleConn))
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sqlDB.SetConnMaxLifetime(time.Duration(cfg.ConnMaxLifetimeSec) * time.Second)
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sqlDB.SetConnMaxIdleTime(time.Duration(cfg.ConnMaxIdleTimeSec) * time.Second)
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return db, nil
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}
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func parseLogLevel(logLevel string) logger.LogLevel {
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switch logLevel {
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case "silent":
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return logger.Silent
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case "error":
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return logger.Error
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case "warn":
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return logger.Warn
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case "info":
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return logger.Info
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}
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return logger.Info
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}
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func GetDB(dbName DBName) *gorm.DB {
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if q, ok := dbs[dbName]; ok {
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return q
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}
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log.Errorf("db %s not found", dbName)
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return nil
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}
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func Close() error {
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if dbs == nil {
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return nil
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}
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for name, db := range dbs {
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if sqlDB, _ := db.DB(); sqlDB != nil {
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if err := sqlDB.Close(); err != nil {
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log.Errorf("close db %s error: %v", name, err)
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}
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}
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}
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return nil
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}
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