forked from itspage/go-platform
/
handler.go
67 lines (52 loc) · 1.19 KB
/
handler.go
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package kv
import (
"sync"
"time"
"github.com/micro/go-micro/errors"
proto "github.com/pydio/go-os/kv/proto"
"golang.org/x/net/context"
)
type kv struct{}
type item struct {
*proto.Item
Timestamp int64
}
var (
// really shouldn't do this
// fix later
mtx sync.RWMutex
items = map[string]*item{}
)
func (k *kv) Get(ctx context.Context, req *proto.GetRequest, rsp *proto.GetResponse) error {
mtx.RLock()
defer mtx.RUnlock()
item, ok := items[req.Key]
if !ok {
return errors.NotFound(serviceName, "not found")
}
// non expiring key
if item.Expiration <= 0 {
rsp.Item = item.Item
return nil
}
// expiring key
t := time.Now().Unix()
if delta := t - item.Timestamp; delta > item.Expiration {
// not yet reaped but you can't have it either
return errors.NotFound(serviceName, "not found")
}
rsp.Item = item.Item
return nil
}
func (k *kv) Put(ctx context.Context, req *proto.PutRequest, rsp *proto.PutResponse) error {
mtx.Lock()
items[req.Item.Key] = &item{req.Item, time.Now().Unix()}
mtx.Unlock()
return nil
}
func (k *kv) Del(ctx context.Context, req *proto.DelRequest, rsp *proto.DelResponse) error {
mtx.Lock()
delete(items, req.Key)
mtx.Unlock()
return nil
}