70 lines
1.3 KiB
Go
70 lines
1.3 KiB
Go
package leveldb
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import (
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"fmt"
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"strconv"
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"sync"
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"github.com/appleboy/gorush/config"
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"github.com/syndtr/goleveldb/leveldb"
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)
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func (s *Storage) setLevelDB(key string, count int64) {
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value := fmt.Sprintf("%d", count)
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_ = s.db.Put([]byte(key), []byte(value), nil)
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}
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func (s *Storage) getLevelDB(key string) int64 {
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data, _ := s.db.Get([]byte(key), nil)
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count, _ := strconv.ParseInt(string(data), 10, 64)
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return count
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}
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// New func implements the storage interface for gorush (https://github.com/appleboy/gorush)
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func New(config *config.ConfYaml) *Storage {
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return &Storage{
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config: config,
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}
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}
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// Storage is interface structure
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type Storage struct {
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config *config.ConfYaml
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db *leveldb.DB
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lock sync.RWMutex
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}
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func (s *Storage) Add(key string, count int64) {
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s.lock.Lock()
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defer s.lock.Unlock()
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s.setLevelDB(key, s.getLevelDB(key)+count)
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}
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func (s *Storage) Set(key string, count int64) {
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s.lock.Lock()
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defer s.lock.Unlock()
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s.setLevelDB(key, count)
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}
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func (s *Storage) Get(key string) int64 {
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s.lock.RLock()
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defer s.lock.RUnlock()
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return s.getLevelDB(key)
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}
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// Init client storage.
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func (s *Storage) Init() error {
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var err error
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s.db, err = leveldb.OpenFile(s.config.Stat.LevelDB.Path, nil)
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return err
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}
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// Close the storage connection
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func (s *Storage) Close() error {
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if s.db == nil {
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return nil
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}
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return s.db.Close()
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}
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