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Merge pull request #1761 from lcbluestorm/develop

add ssdb cache adapter
This commit is contained in:
astaxie 2016-03-08 15:47:45 +08:00
commit adb41eb299
3 changed files with 354 additions and 0 deletions

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@ -14,6 +14,11 @@ env:
- ORM_DRIVER=sqlite3 ORM_SOURCE=$TRAVIS_BUILD_DIR/orm_test.db
- ORM_DRIVER=mysql ORM_SOURCE="root:@/orm_test?charset=utf8"
- ORM_DRIVER=postgres ORM_SOURCE="user=postgres dbname=orm_test sslmode=disable"
before_install:
- git clone git://github.com/ideawu/ssdb.git
- cd ssdb
- make
- cd ..
install:
- go get github.com/lib/pq
- go get github.com/go-sql-driver/mysql
@ -28,10 +33,16 @@ install:
- go get github.com/siddontang/ledisdb/ledis
- go get golang.org/x/tools/cmd/vet
- go get github.com/golang/lint/golint
- go get github.com/ssdb/gossdb/ssdb
before_script:
- sh -c "if [ '$ORM_DRIVER' = 'postgres' ]; then psql -c 'create database orm_test;' -U postgres; fi"
- sh -c "if [ '$ORM_DRIVER' = 'mysql' ]; then mysql -u root -e 'create database orm_test;'; fi"
- sh -c "if [ '$ORM_DRIVER' = 'sqlite' ]; then touch $TRAVIS_BUILD_DIR/orm_test.db; fi"
- mkdir -p res/var
- ./ssdb/ssdb-server ./ssdb/ssdb.conf -d
after_script:
-killall -w ssdb-server
- rm -rf ./res/var/*
script:
- go vet -x ./...
- $HOME/gopath/bin/golint ./...

240
cache/ssdb/ssdb.go vendored Normal file
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@ -0,0 +1,240 @@
package ssdb
import (
"encoding/json"
"errors"
"strconv"
"strings"
"time"
"github.com/ssdb/gossdb/ssdb"
"github.com/astaxie/beego/cache"
)
// Cache SSDB adapter
type Cache struct {
conn *ssdb.Client
conninfo []string
}
//NewSsdbCache create new ssdb adapter.
func NewSsdbCache() cache.Cache {
return &Cache{}
}
// Get get value from memcache.
func (rc *Cache) Get(key string) interface{} {
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return nil
}
}
value, err := rc.conn.Get(key)
if err == nil {
return value
}
return nil
}
// GetMulti get value from memcache.
func (rc *Cache) GetMulti(keys []string) []interface{} {
size := len(keys)
var values []interface{}
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
for i := 0; i < size; i++ {
values = append(values, err)
}
return values
}
}
res, err := rc.conn.Do("multi_get", keys)
resSize := len(res)
if err == nil {
for i := 1; i < resSize; i += 2 {
values = append(values, string(res[i+1]))
}
return values
}
for i := 0; i < size; i++ {
values = append(values, err)
}
return values
}
// DelMulti get value from memcache.
func (rc *Cache) DelMulti(keys []string) error {
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return err
}
}
_, err := rc.conn.Do("multi_del", keys)
if err != nil {
return err
}
return nil
}
// Put put value to memcache. only support string.
func (rc *Cache) Put(key string, value interface{}, timeout time.Duration) error {
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return err
}
}
v, ok := value.(string)
if !ok {
return errors.New("value must string")
}
var resp []string
var err error
ttl := int(timeout / time.Second)
if ttl < 0 {
resp, err = rc.conn.Do("set", key, v)
} else {
resp, err = rc.conn.Do("setx", key, v, ttl)
}
if err != nil {
return err
}
if len(resp) == 2 && resp[0] == "ok" {
return nil
}
return errors.New("bad response")
}
// Delete delete value in memcache.
func (rc *Cache) Delete(key string) error {
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return err
}
}
_, err := rc.conn.Del(key)
if err != nil {
return err
}
return nil
}
// Incr increase counter.
func (rc *Cache) Incr(key string) error {
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return err
}
}
_, err := rc.conn.Do("incr", key, 1)
return err
}
// Decr decrease counter.
func (rc *Cache) Decr(key string) error {
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return err
}
}
_, err := rc.conn.Do("incr", key, -1)
return err
}
// IsExist check value exists in memcache.
func (rc *Cache) IsExist(key string) bool {
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return false
}
}
resp, err := rc.conn.Do("exists", key)
if err != nil {
return false
}
if resp[1] == "1" {
return true
}
return false
}
// ClearAll clear all cached in memcache.
func (rc *Cache) ClearAll() error {
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return err
}
}
keyStart, keyEnd, limit := "", "", 50
resp, err := rc.Scan(keyStart, keyEnd, limit)
for err == nil {
size := len(resp)
if size == 1 {
return nil
}
keys := []string{}
for i := 1; i < size; i += 2 {
keys = append(keys, string(resp[i]))
}
_, e := rc.conn.Do("multi_del", keys)
if e != nil {
return e
}
keyStart = resp[size-2]
resp, err = rc.Scan(keyStart, keyEnd, limit)
}
return err
}
// Scan key all cached in ssdb.
func (rc *Cache) Scan(keyStart string, keyEnd string, limit int) ([]string, error) {
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return nil, err
}
}
resp, err := rc.conn.Do("scan", keyStart, keyEnd, limit)
if err != nil {
return nil, err
}
return resp, nil
}
// StartAndGC start memcache adapter.
// config string is like {"conn":"connection info"}.
// if connecting error, return.
func (rc *Cache) StartAndGC(config string) error {
var cf map[string]string
json.Unmarshal([]byte(config), &cf)
if _, ok := cf["conn"]; !ok {
return errors.New("config has no conn key")
}
rc.conninfo = strings.Split(cf["conn"], ";")
if rc.conn == nil {
if err := rc.connectInit(); err != nil {
return err
}
}
return nil
}
// connect to memcache and keep the connection.
func (rc *Cache) connectInit() error {
conninfoArray := strings.Split(rc.conninfo[0], ":")
host := conninfoArray[0]
port, e := strconv.Atoi(conninfoArray[1])
if e != nil {
return e
}
var err error
rc.conn, err = ssdb.Connect(host, port)
if err != nil {
return err
}
return nil
}
func init() {
cache.Register("ssdb", NewSsdbCache)
}

103
cache/ssdb/ssdb_test.go vendored Normal file
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@ -0,0 +1,103 @@
package ssdb
import (
"github.com/astaxie/beego/cache"
"strconv"
"testing"
"time"
)
func TestSsdbcacheCache(t *testing.T) {
ssdb, err := cache.NewCache("ssdb", `{"conn": "127.0.0.1:8888"}`)
if err != nil {
t.Error("init err")
}
// test put and exist
if ssdb.IsExist("ssdb") {
t.Error("check err")
}
timeoutDuration := 10 * time.Second
//timeoutDuration := -10*time.Second if timeoutDuration is negtive,it means permanent
if err = ssdb.Put("ssdb", "ssdb", timeoutDuration); err != nil {
t.Error("set Error", err)
}
if !ssdb.IsExist("ssdb") {
t.Error("check err")
}
// Get test done
if err = ssdb.Put("ssdb", "ssdb", timeoutDuration); err != nil {
t.Error("set Error", err)
}
if v := ssdb.Get("ssdb"); v != "ssdb" {
t.Error("get Error")
}
//inc/dec test done
if err = ssdb.Put("ssdb", "2", timeoutDuration); err != nil {
t.Error("set Error", err)
}
if err = ssdb.Incr("ssdb"); err != nil {
t.Error("incr Error", err)
}
if v, err := strconv.Atoi(ssdb.Get("ssdb").(string)); err != nil || v != 3 {
t.Error("get err")
}
if err = ssdb.Decr("ssdb"); err != nil {
t.Error("decr error")
}
// test del
if err = ssdb.Put("ssdb", "3", timeoutDuration); err != nil {
t.Error("set Error", err)
}
if v, err := strconv.Atoi(ssdb.Get("ssdb").(string)); err != nil || v != 3 {
t.Error("get err")
}
if err := ssdb.Delete("ssdb"); err == nil {
if ssdb.IsExist("ssdb") {
t.Error("delete err")
}
}
//test string
if err = ssdb.Put("ssdb", "ssdb", -10*time.Second); err != nil {
t.Error("set Error", err)
}
if !ssdb.IsExist("ssdb") {
t.Error("check err")
}
if v := ssdb.Get("ssdb").(string); v != "ssdb" {
t.Error("get err")
}
//test GetMulti done
if err = ssdb.Put("ssdb1", "ssdb1", -10*time.Second); err != nil {
t.Error("set Error", err)
}
if !ssdb.IsExist("ssdb1") {
t.Error("check err")
}
vv := ssdb.GetMulti([]string{"ssdb", "ssdb1"})
if len(vv) != 2 {
t.Error("getmulti error")
}
if vv[0].(string) != "ssdb" {
t.Error("getmulti error")
}
if vv[1].(string) != "ssdb1" {
t.Error("getmulti error")
}
// test clear all done
if err = ssdb.ClearAll(); err != nil {
t.Error("clear all err")
}
if ssdb.IsExist("ssdb") || ssdb.IsExist("ssdb1") {
t.Error("check err")
}
}