/
sender.go
108 lines (91 loc) · 2.28 KB
/
sender.go
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/**
* @program: kitty
*
* @description:
*
* @author: lemo
*
* @create: 2023-04-22 17:34
**/
package socket
import (
"sync/atomic"
jsoniter "github.com/json-iterator/go"
"github.com/eltaline/skitty/errors"
"github.com/eltaline/skitty/socket/protocol"
"google.golang.org/protobuf/proto"
)
// NewSender returns a new Sender.
// Emit JsonEmit ProtoBufEmit it safe for concurrent use by multiple goroutines,
// but set code and messageID is not safe.
func NewSender[T Packer](conn T) Emitter[T] {
return &sender[T]{conn: conn}
}
type sender[T Packer] struct {
conn T
event string
code uint32
messageID uint64
order uint32
messageType byte
}
func (s *sender[T]) Conn() T {
return s.conn
}
func (s *sender[T]) MessageID() uint64 {
return s.messageID
}
func (s *sender[T]) SetMessageID(messageID uint64) {
s.messageID = messageID
}
func (s *sender[T]) Code() uint32 {
return s.code
}
func (s *sender[T]) SetCode(code uint32) {
s.code = code
}
func (s *sender[T]) MessageType() byte {
return s.messageType
}
func (s *sender[T]) SetMessageType(messageType byte) {
s.messageType = messageType
}
func (s *sender[T]) Event() string {
return s.event
}
func (s *sender[T]) Emit(event string, data []byte) error {
return s.conn.Pack(s.order, protocol.Bin, s.code, atomic.AddUint64(&s.messageID, 1), []byte(event), data)
}
func (s *sender[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, atomic.AddUint64(&s.messageID, 1), []byte(event), msg)
}
func (s *sender[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, atomic.AddUint64(&s.messageID, 1), []byte(event), msg)
}
func (s *sender[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")
}