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v2fly/common/registry/implementation_set.go
2022-01-02 15:16:23 +00:00

47 lines
1.1 KiB
Go

package registry
import (
"github.com/golang/protobuf/proto"
"github.com/v2fly/v2ray-core/v5/common/protoext"
)
//go:generate go run github.com/v2fly/v2ray-core/v5/common/errors/errorgen
type implementationSet struct {
AliasLookup map[string]*implementation
}
type CustomLoader func(data []byte, loader LoadByAlias) (proto.Message, error)
type implementation struct {
FullName string
Alias []string
Loader CustomLoader
}
func (i *implementationSet) RegisterImplementation(name string, opt *protoext.MessageOpt, loader CustomLoader) {
alias := opt.GetShortName()
impl := &implementation{
FullName: name,
Alias: alias,
}
for _, aliasName := range alias {
i.AliasLookup[aliasName] = impl
}
}
func (i *implementationSet) findImplementationByAlias(alias string) (string, CustomLoader, error) {
impl, found := i.AliasLookup[alias]
if found {
return impl.FullName, impl.Loader, nil
}
return "", nil, newError("cannot find implementation by alias: ", alias)
}
func newImplementationSet() *implementationSet {
return &implementationSet{AliasLookup: map[string]*implementation{}}
}