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go
beego
Commits
c3c0adbf
Unverified
Commit
c3c0adbf
authored
May 28, 2018
by
astaxie
Committed by
GitHub
May 28, 2018
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Merge pull request #3175 from mo0feng/master
Create redis_cluster.go
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redis_cluster.go
session/redis_cluster/redis_cluster.go
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session/redis_cluster/redis_cluster.go
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// Copyright 2014 beego Author. All Rights Reserved.
//
// 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 redis for session provider
//
// depend on github.com/go-redis/redis
//
// go install github.com/go-redis/redis
//
// Usage:
// import(
// _ "github.com/astaxie/beego/session/redis_cluster"
// "github.com/astaxie/beego/session"
// )
//
// func init() {
// globalSessions, _ = session.NewManager("redis_cluster", ``{"cookieName":"gosessionid","gclifetime":3600,"ProviderConfig":"127.0.0.1:7070;127.0.0.1:7071"}``)
// go globalSessions.GC()
// }
//
// more docs: http://beego.me/docs/module/session.md
package
redis_cluster
import
(
"net/http"
"strconv"
"strings"
"sync"
"github.com/astaxie/beego/session"
rediss
"github.com/go-redis/redis"
"time"
)
var
redispder
=
&
Provider
{}
// MaxPoolSize redis_cluster max pool size
var
MaxPoolSize
=
1000
// SessionStore redis_cluster session store
type
SessionStore
struct
{
p
*
rediss
.
ClusterClient
sid
string
lock
sync
.
RWMutex
values
map
[
interface
{}]
interface
{}
maxlifetime
int64
}
// Set value in redis_cluster session
func
(
rs
*
SessionStore
)
Set
(
key
,
value
interface
{})
error
{
rs
.
lock
.
Lock
()
defer
rs
.
lock
.
Unlock
()
rs
.
values
[
key
]
=
value
return
nil
}
// Get value in redis_cluster session
func
(
rs
*
SessionStore
)
Get
(
key
interface
{})
interface
{}
{
rs
.
lock
.
RLock
()
defer
rs
.
lock
.
RUnlock
()
if
v
,
ok
:=
rs
.
values
[
key
];
ok
{
return
v
}
return
nil
}
// Delete value in redis_cluster session
func
(
rs
*
SessionStore
)
Delete
(
key
interface
{})
error
{
rs
.
lock
.
Lock
()
defer
rs
.
lock
.
Unlock
()
delete
(
rs
.
values
,
key
)
return
nil
}
// Flush clear all values in redis_cluster session
func
(
rs
*
SessionStore
)
Flush
()
error
{
rs
.
lock
.
Lock
()
defer
rs
.
lock
.
Unlock
()
rs
.
values
=
make
(
map
[
interface
{}]
interface
{})
return
nil
}
// SessionID get redis_cluster session id
func
(
rs
*
SessionStore
)
SessionID
()
string
{
return
rs
.
sid
}
// SessionRelease save session values to redis_cluster
func
(
rs
*
SessionStore
)
SessionRelease
(
w
http
.
ResponseWriter
)
{
b
,
err
:=
session
.
EncodeGob
(
rs
.
values
)
if
err
!=
nil
{
return
}
c
:=
rs
.
p
c
.
Set
(
rs
.
sid
,
string
(
b
),
time
.
Duration
(
rs
.
maxlifetime
)
*
time
.
Second
)
}
// Provider redis_cluster session provider
type
Provider
struct
{
maxlifetime
int64
savePath
string
poolsize
int
password
string
dbNum
int
poollist
*
rediss
.
ClusterClient
}
// SessionInit init redis_cluster session
// savepath like redis server addr,pool size,password,dbnum
// e.g. 127.0.0.1:6379;127.0.0.1:6380,100,test,0
func
(
rp
*
Provider
)
SessionInit
(
maxlifetime
int64
,
savePath
string
)
error
{
rp
.
maxlifetime
=
maxlifetime
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
=
MaxPoolSize
}
else
{
rp
.
poolsize
=
poolsize
}
}
else
{
rp
.
poolsize
=
MaxPoolSize
}
if
len
(
configs
)
>
2
{
rp
.
password
=
configs
[
2
]
}
if
len
(
configs
)
>
3
{
dbnum
,
err
:=
strconv
.
Atoi
(
configs
[
3
])
if
err
!=
nil
||
dbnum
<
0
{
rp
.
dbNum
=
0
}
else
{
rp
.
dbNum
=
dbnum
}
}
else
{
rp
.
dbNum
=
0
}
rp
.
poollist
=
rediss
.
NewClusterClient
(
&
rediss
.
ClusterOptions
{
Addrs
:
strings
.
Split
(
rp
.
savePath
,
";"
),
Password
:
rp
.
password
,
PoolSize
:
rp
.
poolsize
,
})
return
rp
.
poollist
.
Ping
()
.
Err
()
}
// SessionRead read redis_cluster session by sid
func
(
rp
*
Provider
)
SessionRead
(
sid
string
)
(
session
.
Store
,
error
)
{
var
kv
map
[
interface
{}]
interface
{}
kvs
,
err
:=
rp
.
poollist
.
Get
(
sid
)
.
Result
()
if
err
!=
nil
&&
err
!=
rediss
.
Nil
{
return
nil
,
err
}
if
len
(
kvs
)
==
0
{
kv
=
make
(
map
[
interface
{}]
interface
{})
}
else
{
if
kv
,
err
=
session
.
DecodeGob
([]
byte
(
kvs
));
err
!=
nil
{
return
nil
,
err
}
}
rs
:=
&
SessionStore
{
p
:
rp
.
poollist
,
sid
:
sid
,
values
:
kv
,
maxlifetime
:
rp
.
maxlifetime
}
return
rs
,
nil
}
// SessionExist check redis_cluster session exist by sid
func
(
rp
*
Provider
)
SessionExist
(
sid
string
)
bool
{
c
:=
rp
.
poollist
if
existed
,
err
:=
c
.
Exists
(
sid
)
.
Result
();
err
!=
nil
||
existed
==
0
{
return
false
}
return
true
}
// SessionRegenerate generate new sid for redis_cluster session
func
(
rp
*
Provider
)
SessionRegenerate
(
oldsid
,
sid
string
)
(
session
.
Store
,
error
)
{
c
:=
rp
.
poollist
if
existed
,
err
:=
c
.
Exists
(
oldsid
)
.
Result
();
err
!=
nil
||
existed
==
0
{
// oldsid doesn't exists, set the new sid directly
// ignore error here, since if it return error
// the existed value will be 0
c
.
Set
(
sid
,
""
,
time
.
Duration
(
rp
.
maxlifetime
)
*
time
.
Second
)
}
else
{
c
.
Rename
(
oldsid
,
sid
)
c
.
Expire
(
sid
,
time
.
Duration
(
rp
.
maxlifetime
)
*
time
.
Second
)
}
return
rp
.
SessionRead
(
sid
)
}
// SessionDestroy delete redis session by id
func
(
rp
*
Provider
)
SessionDestroy
(
sid
string
)
error
{
c
:=
rp
.
poollist
c
.
Del
(
sid
)
return
nil
}
// SessionGC Impelment method, no used.
func
(
rp
*
Provider
)
SessionGC
()
{
}
// SessionAll return all activeSession
func
(
rp
*
Provider
)
SessionAll
()
int
{
return
0
}
func
init
()
{
session
.
Register
(
"redis_cluster"
,
redispder
)
}
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