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Code Issues Releases Activity

fix #241#192

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This commit is contained in:
astaxie 2013-10-28 22:19:37 +08:00
parent 57165f2fb5
commit 060631e952
2 changed files with 45 additions and 43 deletions
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4
session/README.md
View File

@ -39,10 +39,10 @@ Then in you web app init the global session manager
go globalSessions.GC()
}
* Use **Redis** as provider, the last param is the Redis conn address:
* Use **Redis** as provider, the last param is the Redis conn address,poolsize,password:
func init() {
globalSessions, _ = session.NewManager("redis", "gosessionid", 3600, "127.0.0.1:6379")
globalSessions, _ = session.NewManager("redis", "gosessionid", 3600, "127.0.0.1:6379,100,astaxie")
go globalSessions.GC()
}

84
session/sess_redis.go
View File

@ -1,13 +1,14 @@
package session
import (
"fmt"
"github.com/garyburd/redigo/redis"
"strconv"
"strings"
)
var redispder = &RedisProvider{}
var MAX_POOL_SIZE = 20
var MAX_POOL_SIZE = 100
var redisPool chan redis.Conn
@ -52,72 +53,73 @@ func (rs *RedisSessionStore) SessionRelease() {
type RedisProvider struct {
maxlifetime int64
savePath string
poolsize int
password string
poollist *redis.Pool
}
func (rp *RedisProvider) connectInit() redis.Conn {
/*c, err := redis.Dial("tcp", rp.savePath)
if err != nil {
return nil
}
return c*/
//if redisPool == nil {
redisPool = make(chan redis.Conn, MAX_POOL_SIZE)
//}
if len(redisPool) == 0 {
go func() {
for i := 0; i < MAX_POOL_SIZE/2; i++ {
c, err := redis.Dial("tcp", rp.savePath)
if err != nil {
fmt.Println(err)
return
}
putRedis(c)
}
}()
}
return <-redisPool
}
func putRedis(conn redis.Conn) {
if redisPool == nil {
redisPool = make(chan redis.Conn, MAX_POOL_SIZE)
}
if len(redisPool) >= MAX_POOL_SIZE {
conn.Close()
return
}
redisPool <- conn
}
//savepath like redisserveraddr,poolsize,password
//127.0.0.1:6379,100,astaxie
func (rp *RedisProvider) SessionInit(maxlifetime int64, savePath string) error {
rp.maxlifetime = maxlifetime
rp.savePath = savePath
configs := strings.Split(savePath, ",")
if len(configs) > 0 {
rp.savePath = configs[0]
}
if len(configs) > 1 {
poolsize, err := strconv.Atoi(configs[1])
if err != nil || poolsize <= 0 {
rp.poolsize = MAX_POOL_SIZE
} else {
rp.poolsize = poolsize
}
} else {
rp.poolsize = MAX_POOL_SIZE
}
if len(configs) > 2 {
rp.password = configs[2]
}
rp.poollist = redis.NewPool(func() (redis.Conn, error) {
c, err := redis.Dial("tcp", rp.savePath)
if err != nil {
return nil, err
}
if rp.password != "" {
if _, err := c.Do("AUTH", rp.password); err != nil {
c.Close()
return nil, err
}
}
return c, err
}, rp.poolsize)
return nil
}
func (rp *RedisProvider) SessionRead(sid string) (SessionStore, error) {
c := rp.connectInit()
c := rp.poollist.Get()
//if str, err := redis.String(c.Do("GET", sid)); err != nil || str == "" {
if str, err := redis.String(c.Do("HGET", sid, sid)); err != nil || str == "" {
//c.Do("SET", sid, sid, rp.maxlifetime)
c.Do("HSET", sid, sid, rp.maxlifetime)
}
c.Do("EXPIRE", sid, rp.maxlifetime)
rs := &RedisSessionStore{c: c, sid: sid}
return rs, nil
}
func (rp *RedisProvider) SessionRegenerate(oldsid, sid string) (SessionStore, error) {
c := rp.connectInit()
c := rp.poollist.Get()
if str, err := redis.String(c.Do("HGET", oldsid, oldsid)); err != nil || str == "" {
c.Do("HSET", oldsid, oldsid, rp.maxlifetime)
}
c.Do("RENAME", oldsid, sid)
c.Do("EXPIRE", sid, rp.maxlifetime)
rs := &RedisSessionStore{c: c, sid: sid}
return rs, nil
}
func (rp *RedisProvider) SessionDestroy(sid string) error {
c := rp.connectInit()
c := rp.poollist.Get()
c.Do("DEL", sid)
return nil
}