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67695fac9e
修改redis重启后不会自动连接
116 lines
2.3 KiB
Go
116 lines
2.3 KiB
Go
package session
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import (
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"github.com/garyburd/redigo/redis"
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)
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var redispder = &RedisProvider{}
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var MAX_POOL_SIZE = 20
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var redisPool chan redis.Conn
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type RedisSessionStore struct {
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c redis.Conn
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sid string
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}
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func (rs *RedisSessionStore) Set(key, value interface{}) error {
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//_, err := rs.c.Do("HSET", rs.sid, key, value)
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_, err := rs.c.Do("HSET", rs.sid, key, value)
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return err
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}
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func (rs *RedisSessionStore) Get(key interface{}) interface{} {
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//v, err := rs.c.Do("GET", rs.sid, key)
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v, err := redis.String(rs.c.Do("HGET", rs.sid, key))
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if err != nil {
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return nil
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}
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return v
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}
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func (rs *RedisSessionStore) Delete(key interface{}) error {
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//_, err := rs.c.Do("HDEL", rs.sid, key)
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_, err := rs.c.Do("HDEL", rs.sid, key)
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return err
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}
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func (rs *RedisSessionStore) SessionID() string {
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return rs.sid
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}
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func (rs *RedisSessionStore) SessionRelease() {
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rs.c.Close()
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}
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type RedisProvider struct {
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maxlifetime int64
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savePath string
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}
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func (rp *RedisProvider) connectInit() redis.Conn {
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/*c, err := redis.Dial("tcp", rp.savePath)
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if err != nil {
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return nil
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}
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return c*/
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//if redisPool == nil {
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redisPool = make(chan redis.Conn, MAX_POOL_SIZE)
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//}
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if len(redisPool) == 0 {
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go func() {
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for i := 0; i < MAX_POOL_SIZE/2; i++ {
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c, err := redis.Dial("tcp", rp.savePath)
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if err != nil {
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panic(err)
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}
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putRedis(c)
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}
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}()
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}
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return <-redisPool
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}
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func putRedis(conn redis.Conn) {
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if redisPool == nil {
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redisPool = make(chan redis.Conn, MAX_POOL_SIZE)
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}
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if len(redisPool) >= MAX_POOL_SIZE {
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conn.Close()
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return
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}
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redisPool <- conn
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}
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func (rp *RedisProvider) SessionInit(maxlifetime int64, savePath string) error {
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rp.maxlifetime = maxlifetime
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rp.savePath = savePath
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return nil
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}
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func (rp *RedisProvider) SessionRead(sid string) (SessionStore, error) {
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c := rp.connectInit()
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//if str, err := redis.String(c.Do("GET", sid)); err != nil || str == "" {
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if str, err := redis.String(c.Do("HGET", sid, sid)); err != nil || str == "" {
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//c.Do("SET", sid, sid, rp.maxlifetime)
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c.Do("HSET", sid, sid, rp.maxlifetime)
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}
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rs := &RedisSessionStore{c: c, sid: sid}
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return rs, nil
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}
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func (rp *RedisProvider) SessionDestroy(sid string) error {
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c := rp.connectInit()
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c.Do("DEL", sid)
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return nil
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}
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func (rp *RedisProvider) SessionGC() {
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return
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}
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func init() {
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Register("redis", redispder)
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}
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