gorush/storage/buntdb/buntdb.go

86 lines
1.6 KiB
Go

package buntdb
import (
"fmt"
"log"
"strconv"
"sync"
"github.com/appleboy/gorush/config"
"github.com/tidwall/buntdb"
)
// New func implements the storage interface for gorush (https://github.com/appleboy/gorush)
func New(config *config.ConfYaml) *Storage {
return &Storage{
config: config,
}
}
// Storage is interface structure
type Storage struct {
config *config.ConfYaml
db *buntdb.DB
lock sync.RWMutex
}
func (s *Storage) Add(key string, count int64) {
s.lock.Lock()
defer s.lock.Unlock()
s.setBuntDB(key, s.getBuntDB(key)+count)
}
func (s *Storage) Set(key string, count int64) {
s.lock.Lock()
defer s.lock.Unlock()
s.setBuntDB(key, count)
}
func (s *Storage) Get(key string) int64 {
s.lock.RLock()
defer s.lock.RUnlock()
return s.getBuntDB(key)
}
// Init client storage.
func (s *Storage) Init() error {
var err error
s.db, err = buntdb.Open(s.config.Stat.BuntDB.Path)
return err
}
// Close the storage connection
func (s *Storage) Close() error {
if s.db == nil {
return nil
}
return s.db.Close()
}
func (s *Storage) setBuntDB(key string, count int64) {
err := s.db.Update(func(tx *buntdb.Tx) error {
if _, _, err := tx.Set(key, fmt.Sprintf("%d", count), nil); err != nil {
return err
}
return nil
})
if err != nil {
log.Println("BuntDB update error:", err.Error())
}
}
func (s *Storage) getBuntDB(key string) int64 {
var count int64
err := s.db.View(func(tx *buntdb.Tx) error {
val, _ := tx.Get(key)
count, _ = strconv.ParseInt(val, 10, 64)
return nil
})
if err != nil {
log.Println("BuntDB get error:", err.Error())
}
return count
}