diff options
Diffstat (limited to 'vendor/gitea.com/macaron/session/nodb/nodb.go')
| -rw-r--r-- | vendor/gitea.com/macaron/session/nodb/nodb.go | 207 |
1 files changed, 0 insertions, 207 deletions
diff --git a/vendor/gitea.com/macaron/session/nodb/nodb.go b/vendor/gitea.com/macaron/session/nodb/nodb.go deleted file mode 100644 index 08a73c5490..0000000000 --- a/vendor/gitea.com/macaron/session/nodb/nodb.go +++ /dev/null @@ -1,207 +0,0 @@ -// Copyright 2015 The Macaron Authors -// -// Licensed under the Apache License, Version 2.0 (the "License"): you may -// not use this file except in compliance with the License. You may obtain -// a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT -// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the -// License for the specific language governing permissions and limitations -// under the License. - -package session - -import ( - "fmt" - "sync" - - "gitea.com/macaron/session" - "gitea.com/lunny/nodb" - "gitea.com/lunny/nodb/config" -) - -// NodbStore represents a nodb session store implementation. -type NodbStore struct { - c *nodb.DB - sid string - expire int64 - lock sync.RWMutex - data map[interface{}]interface{} -} - -// NewNodbStore creates and returns a ledis session store. -func NewNodbStore(c *nodb.DB, sid string, expire int64, kv map[interface{}]interface{}) *NodbStore { - return &NodbStore{ - c: c, - expire: expire, - sid: sid, - data: kv, - } -} - -// Set sets value to given key in session. -func (s *NodbStore) Set(key, val interface{}) error { - s.lock.Lock() - defer s.lock.Unlock() - - s.data[key] = val - return nil -} - -// Get gets value by given key in session. -func (s *NodbStore) Get(key interface{}) interface{} { - s.lock.RLock() - defer s.lock.RUnlock() - - return s.data[key] -} - -// Delete delete a key from session. -func (s *NodbStore) Delete(key interface{}) error { - s.lock.Lock() - defer s.lock.Unlock() - - delete(s.data, key) - return nil -} - -// ID returns current session ID. -func (s *NodbStore) ID() string { - return s.sid -} - -// Release releases resource and save data to provider. -func (s *NodbStore) Release() error { - // Skip encoding if the data is empty - if len(s.data) == 0 { - return nil - } - - data, err := session.EncodeGob(s.data) - if err != nil { - return err - } - - if err = s.c.Set([]byte(s.sid), data); err != nil { - return err - } - _, err = s.c.Expire([]byte(s.sid), s.expire) - return err -} - -// Flush deletes all session data. -func (s *NodbStore) Flush() error { - s.lock.Lock() - defer s.lock.Unlock() - - s.data = make(map[interface{}]interface{}) - return nil -} - -// NodbProvider represents a ledis session provider implementation. -type NodbProvider struct { - c *nodb.DB - expire int64 -} - -// Init initializes nodb session provider. -func (p *NodbProvider) Init(expire int64, configs string) error { - p.expire = expire - - cfg := new(config.Config) - cfg.DataDir = configs - dbs, err := nodb.Open(cfg) - if err != nil { - return fmt.Errorf("session/nodb: error opening db: %v", err) - } - - p.c, err = dbs.Select(0) - return err -} - -// Read returns raw session store by session ID. -func (p *NodbProvider) Read(sid string) (session.RawStore, error) { - if !p.Exist(sid) { - if err := p.c.Set([]byte(sid), []byte("")); err != nil { - return nil, err - } - } - - var kv map[interface{}]interface{} - kvs, err := p.c.Get([]byte(sid)) - if err != nil { - return nil, err - } - if len(kvs) == 0 { - kv = make(map[interface{}]interface{}) - } else { - kv, err = session.DecodeGob(kvs) - if err != nil { - return nil, err - } - } - - return NewNodbStore(p.c, sid, p.expire, kv), nil -} - -// Exist returns true if session with given ID exists. -func (p *NodbProvider) Exist(sid string) bool { - count, err := p.c.Exists([]byte(sid)) - return err == nil && count > 0 -} - -// Destroy deletes a session by session ID. -func (p *NodbProvider) Destroy(sid string) error { - _, err := p.c.Del([]byte(sid)) - return err -} - -// Regenerate regenerates a session store from old session ID to new one. -func (p *NodbProvider) Regenerate(oldsid, sid string) (_ session.RawStore, err error) { - if p.Exist(sid) { - return nil, fmt.Errorf("new sid '%s' already exists", sid) - } - - kvs := make([]byte, 0) - if p.Exist(oldsid) { - if kvs, err = p.c.Get([]byte(oldsid)); err != nil { - return nil, err - } else if _, err = p.c.Del([]byte(oldsid)); err != nil { - return nil, err - } - } - - if err = p.c.Set([]byte(sid), kvs); err != nil { - return nil, err - } else if _, err = p.c.Expire([]byte(sid), p.expire); err != nil { - return nil, err - } - - var kv map[interface{}]interface{} - if len(kvs) == 0 { - kv = make(map[interface{}]interface{}) - } else { - kv, err = session.DecodeGob([]byte(kvs)) - if err != nil { - return nil, err - } - } - - return NewNodbStore(p.c, sid, p.expire, kv), nil -} - -// Count counts and returns number of sessions. -func (p *NodbProvider) Count() int { - // FIXME: how come this library does not have DbSize() method? - return -1 -} - -// GC calls GC to clean expired sessions. -func (p *NodbProvider) GC() {} - -func init() { - session.Register("nodb", &NodbProvider{}) -} |