Merge pull request #14 from taitai42/master

add redis pool support

redis_store.go

@@ -2,6 +2,7 @@ package session
 
 import (
 	"github.com/boj/redistore"
+	"github.com/garyburd/redigo/redis"
 	"github.com/gorilla/sessions"
 )
 
@@ -30,6 +31,24 @@ func NewRedisStore(size int, network, address, password string, keyPairs ...[]by
 	return &redisStore{store}, nil
 }
 
+// pool: redis pool connections
+// Keys are defined in pairs to allow key rotation, but the common case is to set a single
+// authentication key and optionally an encryption key.
+//
+// The first key in a pair is used for authentication and the second for encryption. The
+// encryption key can be set to nil or omitted in the last pair, but the authentication key
+// is required in all pairs.
+//
+// It is recommended to use an authentication key with 32 or 64 bytes. The encryption key,
+// if set, must be either 16, 24, or 32 bytes to select AES-128, AES-192, or AES-256 modes.
+func NewRedisStoreWithPool(pool *redis.Pool, keyPairs ...[]byte) (RedisStore, error) {
+	store, err := redistore.NewRediStoreWithPool(pool, keyPairs...)
+	if err != nil {
+		return nil, err
+	}
+	return &redisStore{store}, nil
+}
+
 type redisStore struct {
 	*redistore.RediStore
 }
@@ -56,4 +75,4 @@ func (c *redisStore) Options(options Options) {
 // use this function to change `MaxAge` value.
 func (c *redisStore) MaxAge(age int) {
 	c.RediStore.SetMaxAge(age)
-}
+}