func (p *protocolV1) SayHi(client *clientV1, body []byte) (int32, []byte, error) {
if len(body) <= 0 {
return 0, nil, protocol.NewClientErr(nil, "E_INVALID", fmt.Sprintf("invalid message body size %d in sayhi", len(body)))
}
sayHiReq := &onepiece.SayHiRequest{}
err := proto.Unmarshal(body, sayHiReq)
if err != nil {
return 0, nil, protocol.NewFatalClientErr(nil, "E_INVALID", fmt.Sprintf("invalid unmarshaling err in sayhi"))
}
if sayHiReq.Msg != "hi" {
return 0, nil, protocol.NewFatalClientErr(nil, "E_INVALID", fmt.Sprintf("invalid message body content in sayhi"))
}
sayHiRes := &onepiece.SayHiResponse{
Msg: "叔叔不约!",
}
buffer, err := proto.Marshal(sayHiRes)
if err != nil {
return 0, nil, protocol.NewFatalClientErr(nil, "E_INVALID", fmt.Sprintf("invalid marshaling err in sayhi"))
}
return int32(onepiece.NetMsgID_SAYHI), buffer, nil
}
func (p *protocolV1) Exec(client *clientV1) (int32, []byte, error) {
bodyLen, err := readLen(client.Reader, client.lenSlice)
if err != nil {
if err == io.EOF {
return 0, nil, nil
}
return 0, nil, protocol.NewFatalClientErr(nil, "E_INVALID", fmt.Sprintf("failed to read message body size %s", err))
}
// body 必须包含4个字节的消息ID
if bodyLen < 4 {
return 0, nil, protocol.NewFatalClientErr(nil, "E_INVALID", fmt.Sprintf("invalid message body size %d", bodyLen))
}
fullContent := make([]byte, bodyLen)
_, err = io.ReadFull(client.Reader, fullContent)
if err != nil {
return 0, nil, protocol.NewFatalClientErr(nil, "E_INVALID", fmt.Sprintf("invalid message body size %d", len(fullContent)))
}
msgid := binary.BigEndian.Uint32(fullContent[:4])
msgBody := fullContent[4:]
switch onepiece.NetMsgID(msgid) {
case onepiece.NetMsgID_SAYHI:
return p.SayHi(client, msgBody)
case onepiece.NetMsgID_HEART_BEAT:
return p.HeartBeat(client, msgBody)
case onepiece.NetMsgID_REGISTER:
return p.Register(client, msgBody)
case onepiece.NetMsgID_AUTO_REGISTER:
return p.AutoRegister(client, msgBody)
case onepiece.NetMsgID_LOGIN:
return p.Login(client, msgBody)
case onepiece.NetMsgID_LOGIN_WORLD:
return p.LoginWorld(client, msgBody)
case onepiece.NetMsgID_RANDOM_ROLE_NAME:
return p.RandomRoleName(client, msgBody)
case onepiece.NetMsgID_CREATE_ROLE:
return p.CreateRole(client, msgBody)
case onepiece.NetMsgID_DELETE_ROLE:
return p.DeleteRole(client, msgBody)
case onepiece.NetMsgID_CHOOSE_ROLE:
return p.ChooseRole(client, msgBody)
}
return 0, nil, protocol.NewFatalClientErr(nil, "E_INVALID", fmt.Sprintf("invalid command by netmessageid %d", msgid))
}