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Open-IM-Server/pkg/rpccache/common.go

78 lines
1.9 KiB

// Copyright © 2024 OpenIM. 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 rpccache
import (
"github.com/openimsdk/tools/errs"
"google.golang.org/protobuf/proto"
)
func newListMap[V comparable](values []V, err error) (*listMap[V], error) {
if err != nil {
return nil, err
}
lm := &listMap[V]{
List: values,
Map: make(map[V]struct{}, len(values)),
}
for _, value := range values {
lm.Map[value] = struct{}{}
}
return lm, nil
}
type listMap[V comparable] struct {
List []V
Map map[V]struct{}
}
func respProtoMarshal(resp proto.Message, err error) ([]byte, error) {
if err != nil {
return nil, err
}
return proto.Marshal(resp)
}
func cacheUnmarshal[V any](resp []byte, err error) (*V, error) {
if err != nil {
return nil, err
}
var val V
if err := proto.Unmarshal(resp, any(&val).(proto.Message)); err != nil {
return nil, errs.WrapMsg(err, "local cache proto.Unmarshal error")
}
return &val, nil
}
type cacheProto[V any] struct{}
func (cacheProto[V]) Marshal(resp *V, err error) ([]byte, error) {
if err != nil {
return nil, err
}
return proto.Marshal(any(resp).(proto.Message))
}
func (cacheProto[V]) Unmarshal(resp []byte, err error) (*V, error) {
if err != nil {
return nil, err
}
var val V
if err := proto.Unmarshal(resp, any(&val).(proto.Message)); err != nil {
return nil, errs.WrapMsg(err, "local cache proto.Unmarshal error")
}
return &val, nil
}