2025-01-22 17:02:35 +08:00

135 lines
3.4 KiB
Go

package service
import (
"context"
"fmt"
"sync"
"testing"
"github.com/openimsdk/protocol/group"
"github.com/openimsdk/protocol/user"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/proto"
)
var (
_ user.UnimplementedUserServer
_ group.UnimplementedGroupServer
)
func TestName1(t *testing.T) {
cc := newStandaloneConn()
user.RegisterUserServer(cc.Registry(), &user.UnimplementedUserServer{})
group.RegisterGroupServer(cc.Registry(), &group.UnimplementedGroupServer{})
ctx := context.Background()
resp, err := user.NewUserClient(cc).GetUserStatus(ctx, &user.GetUserStatusReq{UserID: "imAdmin", UserIDs: []string{"10000", "20000"}})
if err != nil {
t.Error(err)
return
}
t.Log(resp)
}
func newStandaloneConn() *standaloneConn {
return &standaloneConn{
registry: newStandaloneRegistry(),
serializer: NewProtoSerializer(),
}
}
type standaloneConn struct {
registry *standaloneRegistry
serializer Serializer
}
func (x *standaloneConn) Registry() grpc.ServiceRegistrar {
return x.registry
}
func (x *standaloneConn) Invoke(ctx context.Context, method string, args any, reply any, opts ...grpc.CallOption) error {
handler := x.registry.getMethod(method)
if handler == nil {
return fmt.Errorf("service %s not found", method)
}
resp, err := handler(ctx, args, nil)
if err != nil {
return err
}
tmp, err := x.serializer.Marshal(resp)
if err != nil {
return err
}
return x.serializer.Unmarshal(tmp, reply)
}
func (x *standaloneConn) NewStream(ctx context.Context, desc *grpc.StreamDesc, method string, opts ...grpc.CallOption) (grpc.ClientStream, error) {
return nil, status.Errorf(codes.Unimplemented, "method stream not implemented")
}
type serverHandler func(ctx context.Context, req any, interceptor grpc.UnaryServerInterceptor) (any, error)
func newStandaloneRegistry() *standaloneRegistry {
return &standaloneRegistry{
methods: make(map[string]serverHandler),
serializer: NewProtoSerializer(),
}
}
type standaloneRegistry struct {
lock sync.RWMutex
methods map[string]serverHandler
serializer Serializer
}
func (x *standaloneConn) emptyDec(req any) error {
return nil
}
func (x *standaloneRegistry) RegisterService(desc *grpc.ServiceDesc, impl any) {
x.lock.Lock()
defer x.lock.Unlock()
for i := range desc.Methods {
method := desc.Methods[i]
name := fmt.Sprintf("/%s/%s", desc.ServiceName, method.MethodName)
if _, ok := x.methods[name]; ok {
panic(fmt.Errorf("service %s already registered, method %s", desc.ServiceName, method.MethodName))
}
x.methods[name] = func(ctx context.Context, req any, interceptor grpc.UnaryServerInterceptor) (any, error) {
return method.Handler(impl, ctx, func(in any) error {
tmp, err := x.serializer.Marshal(req)
if err != nil {
return err
}
return x.serializer.Unmarshal(tmp, in)
}, interceptor)
}
}
}
func (x *standaloneRegistry) getMethod(name string) serverHandler {
x.lock.RLock()
defer x.lock.RUnlock()
return x.methods[name]
}
type Serializer interface {
Marshal(any) ([]byte, error)
Unmarshal([]byte, any) error
}
func NewProtoSerializer() Serializer {
return protoSerializer{}
}
type protoSerializer struct{}
func (protoSerializer) Marshal(in any) ([]byte, error) {
return proto.Marshal(in.(proto.Message))
}
func (protoSerializer) Unmarshal(b []byte, out any) error {
return proto.Unmarshal(b, out.(proto.Message))
}