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package kv
import (
"github.com/spiral/errors"
"github.com/spiral/roadrunner/v2/plugins/logger"
kvv1 "github.com/spiral/roadrunner/v2/proto/kv/v1beta"
)
// Wrapper for the plugin
type rpc struct {
// all available storages
storages map[string]Storage
// svc is a plugin implementing Storage interface
srv *Plugin
// Logger
log logger.Logger
}
// Has accept []*kvv1.Payload proto payload with Storage and Item
func (r *rpc) Has(in *kvv1.Request, out *kvv1.Response) error {
const op = errors.Op("rpc_has")
if in.GetStorage() == "" {
return errors.E(op, errors.Str("no storage provided"))
}
keys := make([]string, 0, len(in.GetItems()))
for i := 0; i < len(in.GetItems()); i++ {
keys = append(keys, in.Items[i].Key)
}
if st, ok := r.storages[in.GetStorage()]; ok {
ret, err := st.Has(keys...)
if err != nil {
return errors.E(op, err)
}
// update the value in the pointer
// save the result
out.Items = make([]*kvv1.Item, 0, len(ret))
for k := range ret {
out.Items = append(out.Items, &kvv1.Item{
Key: k,
})
}
return nil
}
return errors.E(op, errors.Errorf("no such storage: %s", in.GetStorage()))
}
// Set accept proto payload with Storage and Item
func (r *rpc) Set(in *kvv1.Request, _ *kvv1.Response) error {
const op = errors.Op("rpc_set")
if st, exists := r.storages[in.GetStorage()]; exists {
err := st.Set(in.GetItems()...)
if err != nil {
return errors.E(op, err)
}
// save the result
return nil
}
return errors.E(op, errors.Errorf("no such storage: %s", in.GetStorage()))
}
// MGet accept proto payload with Storage and Item
func (r *rpc) MGet(in *kvv1.Request, out *kvv1.Response) error {
const op = errors.Op("rpc_mget")
keys := make([]string, 0, len(in.GetItems()))
for i := 0; i < len(in.GetItems()); i++ {
keys = append(keys, in.Items[i].Key)
}
if st, exists := r.storages[in.GetStorage()]; exists {
ret, err := st.MGet(keys...)
if err != nil {
return errors.E(op, err)
}
out.Items = make([]*kvv1.Item, 0, len(ret))
for k := range ret {
out.Items = append(out.Items, &kvv1.Item{
Key: k,
Value: ret[k],
})
}
return nil
}
return errors.E(op, errors.Errorf("no such storage: %s", in.GetStorage()))
}
// MExpire accept proto payload with Storage and Item
func (r *rpc) MExpire(in *kvv1.Request, _ *kvv1.Response) error {
const op = errors.Op("rpc_mexpire")
if st, exists := r.storages[in.GetStorage()]; exists {
err := st.MExpire(in.GetItems()...)
if err != nil {
return errors.E(op, err)
}
return nil
}
return errors.E(op, errors.Errorf("no such storage: %s", in.GetStorage()))
}
// TTL accept proto payload with Storage and Item
func (r *rpc) TTL(in *kvv1.Request, out *kvv1.Response) error {
const op = errors.Op("rpc_ttl")
keys := make([]string, 0, len(in.GetItems()))
for i := 0; i < len(in.GetItems()); i++ {
keys = append(keys, in.Items[i].Key)
}
if st, exists := r.storages[in.GetStorage()]; exists {
ret, err := st.TTL(keys...)
if err != nil {
return errors.E(op, err)
}
out.Items = make([]*kvv1.Item, 0, len(ret))
for k := range ret {
out.Items = append(out.Items, &kvv1.Item{
Key: k,
Timeout: ret[k],
})
}
return nil
}
return errors.E(op, errors.Errorf("no such storage: %s", in.GetStorage()))
}
// Delete accept proto payload with Storage and Item
func (r *rpc) Delete(in *kvv1.Request, _ *kvv1.Response) error {
const op = errors.Op("rcp_delete")
keys := make([]string, 0, len(in.GetItems()))
for i := 0; i < len(in.GetItems()); i++ {
keys = append(keys, in.Items[i].Key)
}
if st, exists := r.storages[in.GetStorage()]; exists {
err := st.Delete(keys...)
if err != nil {
return errors.E(op, err)
}
return nil
}
return errors.E(op, errors.Errorf("no such storage: %s", in.GetStorage()))
}
// Clear clean the storage
func (r *rpc) Clear(in *kvv1.Request, _ *kvv1.Response) error {
const op = errors.Op("rcp_delete")
if st, exists := r.storages[in.GetStorage()]; exists {
err := st.Clear()
if err != nil {
return errors.E(op, err)
}
return nil
}
return errors.E(op, errors.Errorf("no such storage: %s", in.GetStorage()))
}
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