leafmir2server/msg/mir2message.go at master · aadog/leafmir2server · GitHub

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package msg

import (
	"bufio"
	"bytes"
	"encoding/binary"
	"fmt"
	"strings"
)

type IMessage interface {
	SetMir2Message(_message *Mir2Message)
}
type BaseMsg struct {
	Mir2Message
}

func (this *BaseMsg) SetMir2Message(_message *Mir2Message) {
	this.Mir2Message = *_message
}

type Mir2Message struct {
	Ident      int32  //4 //delphi松散模式有自动32位需要补码两位
	Recog      int32  //4
	Param      int32  //4
	Tag        int32  //4
	Series     int32  //4
	NSessionID int32  //4
	NToken     int32  //4
	CRC        uint32 //4
	Lines      []string
	Raw        []byte
}

func (this *Mir2Message) EncodeBytes() ([]byte, error) {
	it := this
	wbuf := &bytes.Buffer{}
	err := binary.Write(wbuf, binary.LittleEndian, it.Ident)
	if err != nil {
		return nil, err
	}
	err = binary.Write(wbuf, binary.LittleEndian, it.Recog)
	if err != nil {
		return nil, err
	}
	err = binary.Write(wbuf, binary.LittleEndian, it.Param)
	if err != nil {
		return nil, err
	}
	err = binary.Write(wbuf, binary.LittleEndian, it.Tag)
	if err != nil {
		return nil, err
	}
	err = binary.Write(wbuf, binary.LittleEndian, it.Series)
	if err != nil {
		return nil, err
	}
	err = binary.Write(wbuf, binary.LittleEndian, it.NSessionID)
	if err != nil {
		return nil, err
	}
	err = binary.Write(wbuf, binary.LittleEndian, it.NToken)
	if err != nil {
		return nil, err
	}
	err = binary.Write(wbuf, binary.LittleEndian, it.CRC)
	if err != nil {
		return nil, err
	}

	if this.Raw == nil {
		_, err = wbuf.WriteString(it.Stringlines())
		if err != nil {
			return nil, err
		}
	} else {
		_, err = wbuf.Write(this.Raw)
		if err != nil {
			return nil, err
		}
	}

	return wbuf.Bytes(), nil
}
func (this *Mir2Message) Stringlines() string {
	r := ""
	for i, s := range this.Lines {
		if i != 0 {
			r = fmt.Sprintf("%s/", r)
		}
		r = fmt.Sprintf("%s%s", r, s)
	}
	//if strings.Index(r,"/")!=-1 && r!="" && r[len(r)-1]!='/'{
	//	r = fmt.Sprintf("%s/", r)
	//}
	return r
}
func (this *Mir2Message) Add_with_line(_line string) {
	this.Lines = append(this.Lines, _line)
}
func NewMir2Message_with_msg_recog_param_tag_series_nsessionid_ntoken_ctc_lines(_msg int32, _recog, _param, _tag, _series, _NSessionID, _NToken int32, _CRC uint32, _lines ...string) *Mir2Message {
	lines := []string{}
	for _, line := range _lines {
		lines = append(lines, line)
	}
	m := &Mir2Message{_msg, _recog, _param, _tag, _series, _NSessionID, _NToken, _CRC, lines, nil}
	return m
}
func DecodeMir2Message_with_bytes(_bytes []byte) (*Mir2Message, error) {
	var message Mir2Message
	dedatareader := bufio.NewReader(bytes.NewReader(_bytes))
	err := binary.Read(dedatareader, binary.LittleEndian, &message.Ident)
	if err != nil {
		return nil, err
	}
	message.Ident = int32(int16(message.Ident))
	err = binary.Read(dedatareader, binary.LittleEndian, &message.Recog)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.Param)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.Tag)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.Series)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.NSessionID)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.NToken)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.CRC)
	if err != nil {
		return nil, err
	}

	if message.Ident == SM_STARTPLAY {
		message.Raw = _bytes[32:len(_bytes)]
	} else {
		messagebody := string(_bytes[32:len(_bytes)])
		spmessagebody := strings.Split(messagebody, "/")
		for _, body := range spmessagebody {
			message.Lines = append(message.Lines, body)
		}
	}
	return &message, nil
}
func DecodeMir2Message_with_Txtbytes(_bytes []byte) (*Mir2Message, error) {
	var message Mir2Message
	dedatareader := bufio.NewReader(bytes.NewReader(_bytes))
	err := binary.Read(dedatareader, binary.LittleEndian, &message.Ident)
	if err != nil {
		return nil, err
	}
	message.Ident = int32(int16(message.Ident))
	err = binary.Read(dedatareader, binary.LittleEndian, &message.Recog)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.Param)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.Tag)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.Series)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.NSessionID)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.NToken)
	if err != nil {
		return nil, err
	}
	err = binary.Read(dedatareader, binary.LittleEndian, &message.CRC)
	if err != nil {
		return nil, err
	}
	//err=binary.Read(dedatareader,binary.LittleEndian,&message.Align)
	//if err!=nil{
	//	return nil,err
	//}

	messagebody := string(_bytes[32:len(_bytes)])
	message.Lines = append(message.Lines, messagebody)
	return &message, nil
}