jx-callback/business/jxstore/event/event_tcp_utils.go

package event

import (
	"git.rosy.net.cn/jx-callback/business/model"
	"net"
	"regexp"
	"sync"
	"time"
)

const (
	heartText        = "1e000f02000151"
	printText        = "1e00180200"
	printSuccessText = "1e001802000150"

	printErrWithoutPaper = "05"

	printMsgAlreadySend = 2  //已经发出打印消息
	printMsgSuccess     = 1  //打印成功
	printMsgWait        = 0  //待打印
	printMsgFail        = -1 //打印失败（打印机报出）
	printMsgErr         = -2 //京西报出
	printMsgAlreadyLoad = 3  //已放入队列

	heartErrNormal       = "00" //正常
	heartErrWithoutPaper = "04" //心跳错，缺纸
	heartErrHot          = "08" //过热

	printerStatusOnlineWithoutPaper = 2  //在线缺纸
	printerStatusOnline             = 1  //在线
	printerStatusOffline            = -1 //离线
)

//标签
const (
	signBR       = "<br>"     //换行
	signCenter   = "<center>" //居中
	signLeft     = "<left>"   //居左
	signRight    = "<right>"  //居右
	signBig      = "<b>"      //字体放大
	signHighBig  = "<hb>"     //字体纵向放大
	signWideBig  = "<wb>"     //字体横向放大
	signQrCenter = "<qrc>"    //二维码居中
	signQrLeft   = "<qrl>"    //二维码居左
	signQrRight  = "<qrr>"    //二维码居右
	signSound    = "<sound>"  //声音

	hexSignBROrEXE  = "0a"
	hexSignCenter   = "1b6101"
	hexSignLeft     = "1b6100"
	hexSignRight    = "1b6102"
	hexSignNormal   = "1b2100"
	hexSignBig      = "1b2130"
	hexSignHighBig  = "1b2110"
	hexSignWideBig  = "1b2120"
	hexSignQrCenter = "1d5802"
	hexSignQrLeft   = "1d5800"
	hexSignQrRight  = "1d5804"
	hexSignQr       = "1b5a000106" //"1b5a000106"  0600 : 后面二维码的字节数
	hexSignQrEnd    = "000a1b40"   //000a0a0a1b40
	hexSignSound    = "1d6b40"

	byteSignBR       = "3c62723e"         //换行
	byteSignCenter   = "3c63656e7465723e" //居中
	byteSignLeft     = "3c6c6566743e"     //居左
	byteSignRight    = "3c72696768743e"   //居右
	byteSignBig      = "3c623e"           //字体放大
	byteSignHighBig  = "3c68623e"         //字体纵向放大
	byteSignWideBig  = "3c77623e"         //字体横向放大
	byteSignQrCenter = "3c7172633e"
	byteSignQrLeft   = "3c71726c3e"
	byteSignQrRight  = "3c7172723e"
	byteSignSound    = "3c736f756e643e"

	byteSignCenterE   = "3c2f63656e7465723e" //居中
	byteSignLeftE     = "3c2f6c6566743e"     //居左
	byteSignRightE    = "3c2f72696768743e"   //居右
	byteSignBigE      = "3c2f623e"           //字体放大
	byteSignHighBigE  = "3c2f68623e"         //字体纵向放大
	byteSignWideBigE  = "3c2f77623e"         //字体横向放大
	byteSignQrCenterE = "3c2f7172633e"
	byteSignQrLeftE   = "3c2f71726c3e"
	byteSignQrRightE  = "3c2f7172723e"
	byteSignSoundE    = "3c2f736f756e643e"
)

var (
	//t = &TcpClient{}

	printErrMap = map[string]string{
		printErrWithoutPaper: "打印机缺纸！",
	}

	signMap = map[string]string{
		byteSignBR: hexSignBROrEXE,
	}

	regexpQrc   = regexp.MustCompile(byteSignQrCenter + "(.*?)" + byteSignQrCenterE)
	regexpQrl   = regexp.MustCompile(byteSignQrLeft + "(.*?)" + byteSignQrLeftE)
	regexpQrr   = regexp.MustCompile(byteSignQrRight + "(.*?)" + byteSignQrRightE)
	regexpSound = regexp.MustCompile(byteSignSound + "(.*?)" + byteSignSoundE)

	printMsgChan         = make(chan *model.PrintMsg, 1024)
	printMsgCallbackChan = make(chan string, 1024)
	printMsgChanFail     = make(chan *model.PrintMsg)
)

type PrintInfo struct {
	C          net.Conn
	Status     int // 2 //在线缺纸 1  //在线 -1 //离线
	StatusTime time.Time
}

//连接的客户端,吧每个客户端都放进来
type TcpClient struct {
	Clients map[string]*PrintInfo
	*sync.RWMutex
}

type GetPrintStatus struct {
	PrintNo string //打印机编号
	AppID   int
}

func (t *TcpClient) delConn(key string) {
	t.Lock()
	defer t.Unlock()

	delete(t.Clients, key)
	t.Clients[key].C.Close()
}

func (t *TcpClient) addConn(c net.Conn, key string, status int) {
	t.Lock()
	defer t.Unlock()

	t.Clients[key] = &PrintInfo{
		C:          c,
		Status:     status,
		StatusTime: time.Now(),
	}
}

func (t *TcpClient) getPrintStatus(key string) int {
	t.RLock()
	defer t.RUnlock()
	if t.isExist(key) {
		return t.Clients[key].Status
	} else {
		return printerStatusOffline
	}
}

func (t *TcpClient) getPrintConn(key string) net.Conn {
	t.RLock()
	defer t.RUnlock()
	if t.isExist(key) {
		return t.Clients[key].C
	} else {
		return nil
	}
}

func (t *TcpClient) isExist(key string) bool {
	t.RLock()
	defer t.RUnlock()

	if t.Clients[key] == nil {
		return false
	} else {
		return true
	}
}

func (t *TcpClient) setPrintStatus(key string, status int) {
	t.Lock()
	defer t.Unlock()

	if t.isExist(key) {
		t.Clients[key].Status = status
		t.Clients[key].StatusTime = time.Now()
	}
}

func NewTcpClient() *TcpClient {
	t := &TcpClient{
		Clients: make(map[string]*PrintInfo),
	}
	t.RWMutex = new(sync.RWMutex)
	return t
}