/
stream.go
90 lines (76 loc) · 1.9 KB
/
stream.go
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/**
* @program: lemon
*
* @description:
*
* @author: lemon
*
* @create: 2019-11-19 20:56
**/
package socket
import (
jsoniter "github.com/json-iterator/go"
"github.com/lemonyxk/kitty/errors"
"github.com/lemonyxk/kitty/kitty"
"github.com/lemonyxk/kitty/socket/protocol"
"google.golang.org/protobuf/proto"
"time"
)
func NewStream[T Packer](conn T, order uint32, messageType byte, code uint32, id uint64, route []byte, body []byte) *Stream[T] {
return &Stream[T]{
Time: time.Now(),
data: body,
sender: &sender[T]{
conn: conn, code: code, messageID: id,
order: order, messageType: messageType, event: string(route),
},
}
}
type Stream[T Packer] struct {
*sender[T]
data []byte
Time time.Time
Context kitty.Context
Logger kitty.Logger
Params Params
//Node *router.Node[*Stream[T]]
}
func (s *Stream[T]) Data() []byte {
return s.data
}
func (s *Stream[T]) Respond(data any) error {
switch s.messageType {
case protocol.Json:
return s.JsonEmit(s.event, data)
case protocol.ProtoBuf:
msg, ok := data.(proto.Message)
if !ok {
return errors.New("data must be proto.Message")
}
return s.ProtoBufEmit(s.event, msg)
case protocol.Bin:
msg, ok := data.([]byte)
if !ok {
return errors.New("data must be []byte")
}
return s.Emit(s.event, msg)
}
return errors.New("unknown message type")
}
func (s *Stream[T]) Emit(event string, data []byte) error {
return s.conn.Pack(s.order, protocol.Bin, s.code, s.messageID, []byte(event), data)
}
func (s *Stream[T]) JsonEmit(event string, data any) error {
msg, err := jsoniter.Marshal(data)
if err != nil {
return err
}
return s.conn.Pack(s.order, protocol.Json, s.code, s.messageID, []byte(event), msg)
}
func (s *Stream[T]) ProtoBufEmit(event string, data proto.Message) error {
msg, err := proto.Marshal(data)
if err != nil {
return err
}
return s.conn.Pack(s.order, protocol.ProtoBuf, s.code, s.messageID, []byte(event), msg)
}