mirror of
https://github.com/astaxie/beego.git
synced 2024-11-10 20:40:55 +00:00
128 lines
2.7 KiB
Go
128 lines
2.7 KiB
Go
package session
|
|
|
|
//CREATE TABLE `session` (
|
|
// `session_key` char(64) NOT NULL,
|
|
// `session_data` blob,
|
|
// `session_expiry` int(11) unsigned NOT NULL,
|
|
// PRIMARY KEY (`session_key`)
|
|
//) ENGINE=MyISAM DEFAULT CHARSET=utf8;
|
|
|
|
import (
|
|
"database/sql"
|
|
_ "github.com/go-sql-driver/mysql"
|
|
"sync"
|
|
"time"
|
|
)
|
|
|
|
var mysqlpder = &MysqlProvider{}
|
|
|
|
type MysqlSessionStore struct {
|
|
c *sql.DB
|
|
sid string
|
|
lock sync.RWMutex
|
|
values map[interface{}]interface{}
|
|
}
|
|
|
|
func (st *MysqlSessionStore) Set(key, value interface{}) error {
|
|
st.lock.Lock()
|
|
defer st.lock.Unlock()
|
|
st.values[key] = value
|
|
st.updatemysql()
|
|
return nil
|
|
}
|
|
|
|
func (st *MysqlSessionStore) Get(key interface{}) interface{} {
|
|
st.lock.RLock()
|
|
defer st.lock.RUnlock()
|
|
if v, ok := st.values[key]; ok {
|
|
return v
|
|
} else {
|
|
return nil
|
|
}
|
|
return nil
|
|
}
|
|
|
|
func (st *MysqlSessionStore) Delete(key interface{}) error {
|
|
st.lock.Lock()
|
|
defer st.lock.Unlock()
|
|
delete(st.values, key)
|
|
st.updatemysql()
|
|
return nil
|
|
}
|
|
|
|
func (st *MysqlSessionStore) SessionID() string {
|
|
return st.sid
|
|
}
|
|
|
|
func (st *MysqlSessionStore) updatemysql() {
|
|
if len(st.values) > 0 {
|
|
b, err := encodeGob(st.values)
|
|
if err != nil {
|
|
return
|
|
}
|
|
st.c.Exec("UPDATE session set `session_data`= ? where session_key=?", b, st.sid)
|
|
}
|
|
}
|
|
|
|
func (st *MysqlSessionStore) SessionRelease() {
|
|
st.c.Close()
|
|
}
|
|
|
|
type MysqlProvider struct {
|
|
maxlifetime int64
|
|
savePath string
|
|
}
|
|
|
|
func (mp *MysqlProvider) connectInit() *sql.DB {
|
|
db, e := sql.Open("mysql", mp.savePath)
|
|
if e != nil {
|
|
return nil
|
|
}
|
|
return db
|
|
}
|
|
|
|
func (mp *MysqlProvider) SessionInit(maxlifetime int64, savePath string) error {
|
|
mp.maxlifetime = maxlifetime
|
|
mp.savePath = savePath
|
|
return nil
|
|
}
|
|
|
|
func (mp *MysqlProvider) SessionRead(sid string) (SessionStore, error) {
|
|
c := mp.connectInit()
|
|
row := c.QueryRow("select session_data from session where session_key=?", sid)
|
|
var sessiondata []byte
|
|
err := row.Scan(&sessiondata)
|
|
if err == sql.ErrNoRows {
|
|
c.Exec("insert into session(`session_key`,`session_data`,`session_expiry`) values(?,?,?)", sid, "", time.Now().Unix())
|
|
}
|
|
var kv map[interface{}]interface{}
|
|
if len(sessiondata) == 0 {
|
|
kv = make(map[interface{}]interface{})
|
|
} else {
|
|
kv, err = decodeGob(sessiondata)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
rs := &MysqlSessionStore{c: c, sid: sid, values: kv}
|
|
return rs, nil
|
|
}
|
|
|
|
func (mp *MysqlProvider) SessionDestroy(sid string) error {
|
|
c := mp.connectInit()
|
|
c.Exec("DELETE FROM session where session_key=?", sid)
|
|
c.Close()
|
|
return nil
|
|
}
|
|
|
|
func (mp *MysqlProvider) SessionGC() {
|
|
c := mp.connectInit()
|
|
c.Exec("DELETE from session where session_expiry < ?", time.Now().Unix()-mp.maxlifetime)
|
|
c.Close()
|
|
return
|
|
}
|
|
|
|
func init() {
|
|
Register("mysql", mysqlpder)
|
|
}
|