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This commit is contained in:
suyl
2021-07-29 14:49:22 +08:00
parent 2bc8c04bc6
commit 17dfe9e9df
3 changed files with 288 additions and 200 deletions
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10
business/jxstore/event/event.go
View File

@@ -45,7 +45,7 @@ func init() {
clientsHeart := make(map[string]*websocket.Conn) clientsHeart := make(map[string]*websocket.Conn)
wsClient.Clients = clients wsClient.Clients = clients
wsClient.ClientsHeart = clientsHeart wsClient.ClientsHeart = clientsHeart
wsClient.s = new(sync.RWMutex) wsClient = new(sync.RWMutex)
go handleMessages() go handleMessages()
} }
@@ -100,7 +100,7 @@ func ImMessage(userID string, ws *websocket.Conn) (err error) {
if len(messageGroups) == 0 { if len(messageGroups) == 0 {
return return
} }
wsClient.s.Lock() wsClient.Lock()
clientUser[userID] = ws clientUser[userID] = ws
wsClient.ClientsHeart[userID] = ws wsClient.ClientsHeart[userID] = ws
for _, v := range messageGroups { for _, v := range messageGroups {
@@ -110,7 +110,7 @@ func ImMessage(userID string, ws *websocket.Conn) (err error) {
wsClient.Clients[v.GroupID] = clientUser wsClient.Clients[v.GroupID] = clientUser
} }
} }
wsClient.s.Unlock() wsClient.Unlock()
globals.SugarLogger.Debugf("userID :%v ,clients :%v", userID, utils.Format4Output(wsClient.Clients, false)) globals.SugarLogger.Debugf("userID :%v ,clients :%v", userID, utils.Format4Output(wsClient.Clients, false))
var s *model.ImMessageRecord var s *model.ImMessageRecord
@@ -173,9 +173,9 @@ func ImMessage(userID string, ws *websocket.Conn) (err error) {
} }
func GetOnlineUserCount() (count int) { func GetOnlineUserCount() (count int) {
wsClient.s.RLock() wsClient.RLock()
count = len(wsClient.ClientsHeart) count = len(wsClient.ClientsHeart)
wsClient.s.RUnlock() wsClient.RUnlock()
return count return count
} }

289
business/jxstore/event/event_tcp.go
View File

@@ -11,131 +11,13 @@ import (
"git.rosy.net.cn/jx-callback/globals" "git.rosy.net.cn/jx-callback/globals"
"io" "io"
"net" "net"
"regexp"
"strconv" "strconv"
"strings" "strings"
"sync"
"time" "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
printerStatusOverFlow = -2 //流量超了
)
//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 (
tcpClient = &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
s *sync.RWMutex
}
type GetPrintStatus struct {
PrintNo string //打印机编号
AppID int
}
func ListenTcp() { func ListenTcp() {
tcpClient.Clients = make(map[string]*PrintInfo) t := NewTcpClient()
tcpClient.s = new(sync.RWMutex)
l, err := net.Listen("tcp", ":8000") l, err := net.Listen("tcp", ":8000")
if err != nil { if err != nil {
fmt.Println("listen error:", err) fmt.Println("listen error:", err)
@@ -143,20 +25,20 @@ func ListenTcp() {
} }
globals.SugarLogger.Debugf("begin listenTcp port 8000......") globals.SugarLogger.Debugf("begin listenTcp port 8000......")
go HandleTcpMessages() go HandleTcpMessages()
go HandleCheckTcpHeart() go t.HandleCheckTcpHeart()
go doPrint2(printMsgChan) go t.doPrint2(printMsgChan)
//go doPrint(printMsgChanFail) go t.doPrint(printMsgChanFail)
for { for {
c, err := l.Accept() c, err := l.Accept()
if err != nil { if err != nil {
fmt.Println("accept error:", err) fmt.Println("accept error:", err)
break break
} }
go handleConn(c) go t.handleConn(c)
} }
} }
func handleConn(c net.Conn) { func (t *TcpClient) handleConn(c net.Conn) {
var ( var (
printNo string //打印机编号 printNo string //打印机编号
printStatus *GetPrintStatus printStatus *GetPrintStatus
@@ -181,13 +63,13 @@ func handleConn(c net.Conn) {
if err = json.Unmarshal(buffer[:n], &printStatus); err == nil { if err = json.Unmarshal(buffer[:n], &printStatus); err == nil {
fmt.Println("handleConn msg: ", string(buffer[:n])) fmt.Println("handleConn msg: ", string(buffer[:n]))
if printStatus != nil { if printStatus != nil {
var status int status := t.getPrintStatus(printStatus.PrintNo)
if tcpClient.Clients[printStatus.PrintNo] != nil { //if t.Clients[printStatus.PrintNo] != nil {
status = tcpClient.Clients[printStatus.PrintNo].Status // status = t.Clients[printStatus.PrintNo].Status
} else { //} else {
status = printerStatusOffline // status = printerStatusOffline
} //}
globals.SugarLogger.Debugf("handleConn getstatus :%v", utils.Format4Output(tcpClient.Clients[printStatus.PrintNo], true)) //globals.SugarLogger.Debugf("handleConn getstatus :%v", utils.Format4Output(t.Clients[printStatus.PrintNo], true))
c.Write([]byte(utils.Int2Str(status))) c.Write([]byte(utils.Int2Str(status)))
c.Close() c.Close()
} }
@@ -201,30 +83,34 @@ func handleConn(c net.Conn) {
printNo = string(printNoData) printNo = string(printNoData)
globals.SugarLogger.Debugf("handleConn printno :[%v]", printNo) globals.SugarLogger.Debugf("handleConn printno :[%v]", printNo)
status := printStatus2JxStatus(data[len(data)-8 : len(data)-6]) status := printStatus2JxStatus(data[len(data)-8 : len(data)-6])
if tcpClient.Clients[printNo] == nil { if t.Clients[printNo] == nil {
printInfo := &PrintInfo{ //printInfo := &PrintInfo{
C: c, // C: c,
Status: printStatus2JxStatus(data[len(data)-8 : len(data)-6]), // Status: printStatus2JxStatus(data[len(data)-8 : len(data)-6]),
StatusTime: time.Now(), // StatusTime: time.Now(),
} //}
tcpClient.s.Lock() //t.Lock()
tcpClient.Clients[printNo] = printInfo //t.Clients[printNo] = printInfo
tcpClient.s.Unlock() //t.Unlock()
t.addConn(c, printNo, printStatus2JxStatus(data[len(data)-8:len(data)-6]))
changePrinterStatus(printNo, status) changePrinterStatus(printNo, status)
if status > 0 { if status == printerStatusOnline {
//printFail() printFail()
} }
} else { } else {
//改变打印机状态 //改变打印机状态
tcpClient.s.Lock() //t.Lock()
//if t.Clients[printNo] != nil {
// if t.Clients[printNo].Status != status {
// t.Clients[printNo].Status = status
// }
// t.Clients[printNo].StatusTime = time.Now()
//}
//t.Unlock()
changePrinterStatus(printNo, status) changePrinterStatus(printNo, status)
if tcpClient.Clients[printNo] != nil { if t.getPrintStatus(printNo) != status {
if tcpClient.Clients[printNo].Status != status { t.setPrintStatus(printNo, status)
tcpClient.Clients[printNo].Status = status
}
tcpClient.Clients[printNo].StatusTime = time.Now()
} }
tcpClient.s.Unlock()
} }
} else if strings.Contains(data, printText) { } else if strings.Contains(data, printText) {
globals.SugarLogger.Debugf("handleConn print callback: %v", data) globals.SugarLogger.Debugf("handleConn print callback: %v", data)
@@ -265,16 +151,14 @@ func printFail() (err error) {
var ( var (
db = dao.GetDB() db = dao.GetDB()
) )
prints, _ := dao.GetPrintMsgs(db, []int{printMsgWait, printMsgFail, printMsgErr}, time.Now().Add(-time.Hour*3), time.Now(), 0, 999) prints, _ := dao.GetPrintMsgs(db, []int{printMsgWait, printMsgFail, printMsgErr, printMsgAlreadyLoad, printMsgAlreadySend}, time.Now().Add(-time.Hour*3), time.Now(), 0, 999)
for _, printMsg := range prints { for _, printMsg := range prints {
//printMsgChanFail <- printMsg printMsgChanFail <- printMsg
printMsg.Status = printMsgAlreadyLoad
dao.UpdateEntity(db, printMsg, "Status")
} }
return err return err
} }
func doPrint(printMsgChanFail chan *model.PrintMsg) (err error) { func (t *TcpClient) doPrint(printMsgChanFail chan *model.PrintMsg) (err error) {
var ( var (
db = dao.GetDB() db = dao.GetDB()
) )
@@ -287,25 +171,25 @@ func doPrint(printMsgChanFail chan *model.PrintMsg) (err error) {
) )
if printMsg != nil { if printMsg != nil {
if err = checkPrintMsg(db, printMsg); err == nil { if err = checkPrintMsg(db, printMsg); err == nil {
tcpClient.s.RLock() //t.Lock()
if tcpClient.Clients[printMsg.PrintNo] != nil { //if t.Clients[printMsg.PrintNo] != nil {
if tcpClient.Clients[printMsg.PrintNo].Status == printerStatusOnline { // if t.Clients[printMsg.PrintNo].Status == printerStatusOnline {
if tcpClient.Clients[printMsg.PrintNo].C != nil { // if t.Clients[printMsg.PrintNo].C != nil {
c = tcpClient.Clients[printMsg.PrintNo].C // c = t.Clients[printMsg.PrintNo].C
data, err = buildMsg(printMsg) // data, err = buildMsg(printMsg)
} // }
} // }
} //}
tcpClient.s.RUnlock() //t.Unlock()
if c != nil { if c = t.getPrintConn(printMsg.PrintNo); c != nil {
data, err = buildMsg(printMsg)
if _, err = c.Write(data); err != nil { if _, err = c.Write(data); err != nil {
globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err) globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
delete(tcpClient.Clients, printMsg.PrintNo) t.delConn(printMsg.PrintNo)
c.Close() //delete(t.Clients, printMsg.PrintNo)
//c.Close()
} else { } else {
globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data)) globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data))
printMsg.Status = printMsgAlreadySend
dao.UpdateEntity(db, printMsg, "Status", "Comment")
} }
} }
} }
@@ -323,7 +207,7 @@ func printStatus2JxStatus(printStatus string) (status int) {
return status return status
} }
func changePrintMsg(data string) (err error) { func (t *TcpClient) changePrintMsg(data string) (err error) {
var ( var (
db = dao.GetDB() db = dao.GetDB()
printNo, comment string printNo, comment string
@@ -343,7 +227,7 @@ func changePrintMsg(data string) (err error) {
status = printMsgFail status = printMsgFail
comment = printErrMap[data[12:14]] comment = printErrMap[data[12:14]]
} }
if tcpClient.Clients[printNo] == nil { if !t.isExist(printNo) {
return err return err
} }
if printMsgs, err := dao.GetPrintMsgNoPage(db, printNo, orderNo); err != nil { if printMsgs, err := dao.GetPrintMsgNoPage(db, printNo, orderNo); err != nil {
@@ -377,7 +261,7 @@ func HandleTcpMessages() {
} }
} }
func doPrint2(printMsgChan chan *model.PrintMsg) (err error) { func (t *TcpClient) doPrint2(printMsgChan chan *model.PrintMsg) (err error) {
var ( var (
db = dao.GetDB() db = dao.GetDB()
) )
@@ -390,20 +274,33 @@ func doPrint2(printMsgChan chan *model.PrintMsg) (err error) {
) )
if printMsg != nil { if printMsg != nil {
if err = checkPrintMsg(db, printMsg); err == nil { if err = checkPrintMsg(db, printMsg); err == nil {
tcpClient.s.RLock() //t.Lock()
if tcpClient.Clients[printMsg.PrintNo] != nil { //if t.Clients[printMsg.PrintNo] != nil {
if tcpClient.Clients[printMsg.PrintNo].Status == printerStatusOnline { // if t.Clients[printMsg.PrintNo].Status == printerStatusOnline {
if tcpClient.Clients[printMsg.PrintNo].C != nil { // if t.Clients[printMsg.PrintNo].C != nil {
c = tcpClient.Clients[printMsg.PrintNo].C // c = t.Clients[printMsg.PrintNo].C
data, err = buildMsg(printMsg) // data, err = buildMsg(printMsg)
} // }
} else if tcpClient.Clients[printMsg.PrintNo].Status == printerStatusOffline { // } else if t.Clients[printMsg.PrintNo].Status == printerStatusOffline {
err = fmt.Errorf("打印机离线！") // err = fmt.Errorf("打印机离线！")
} else if tcpClient.Clients[printMsg.PrintNo].Status == printerStatusOnlineWithoutPaper { // } else if t.Clients[printMsg.PrintNo].Status == printerStatusOnlineWithoutPaper {
err = fmt.Errorf("打印机缺纸！") // err = fmt.Errorf("打印机缺纸！")
// }
//}
//t.Unlock()
status := t.getPrintStatus(printMsg.PrintNo)
switch status {
case printerStatusOnline:
if c = t.getPrintConn(printMsg.PrintNo); c != nil {
data, err = buildMsg(printMsg)
} }
case printerStatusOffline:
err = fmt.Errorf("打印机离线！")
case printerStatusOnlineWithoutPaper:
err = fmt.Errorf("打印机缺纸！")
default:
err = fmt.Errorf("打印机状态未知！")
} }
tcpClient.s.RUnlock()
} }
} else { } else {
err = fmt.Errorf("未查询到此printMsg") err = fmt.Errorf("未查询到此printMsg")
@@ -412,22 +309,24 @@ func doPrint2(printMsgChan chan *model.PrintMsg) (err error) {
printMsg.Status = printMsgErr printMsg.Status = printMsgErr
printMsg.Comment = err.Error() printMsg.Comment = err.Error()
dao.UpdateEntity(db, printMsg, "Status", "Comment") dao.UpdateEntity(db, printMsg, "Status", "Comment")
delete(tcpClient.Clients, printMsg.PrintNo) t.delConn(printMsg.PrintNo)
if c != nil { //delete(t.Clients, printMsg.PrintNo)
c.Close() //if c != nil {
} // c.Close()
//}
} else { } else {
if c != nil { if c != nil {
if _, err = c.Write(data); err != nil { if _, err = c.Write(data); err != nil {
globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err) globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
delete(tcpClient.Clients, printMsg.PrintNo) t.delConn(printMsg.PrintNo)
c.Close() //delete(t.Clients, printMsg.PrintNo)
//c.Close()
} else { } else {
globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data)) globals.SugarLogger.Debugf("handleTcpMessages success, data: %v", hex.EncodeToString(data))
printMsg.Status = printMsgAlreadySend printMsg.Status = printMsgAlreadySend
dao.UpdateEntity(db, printMsg, "Status", "Comment") dao.UpdateEntity(db, printMsg, "Status", "Comment")
dataStr := <-printMsgCallbackChan dataStr := <-printMsgCallbackChan
changePrintMsg(dataStr) t.changePrintMsg(dataStr)
} }
} }
} }
@@ -436,10 +335,10 @@ func doPrint2(printMsgChan chan *model.PrintMsg) (err error) {
return err return err
} }
func HandleCheckTcpHeart() { func (t *TcpClient) HandleCheckTcpHeart() {
for { for {
keys := []string{} keys := []string{}
for k, v := range tcpClient.Clients { for k, v := range t.Clients {
if time.Now().Sub(v.StatusTime) > time.Minute+time.Second { if time.Now().Sub(v.StatusTime) > time.Minute+time.Second {
v.Status = printerStatusOffline v.Status = printerStatusOffline
keys = append(keys, k) keys = append(keys, k)
@@ -447,8 +346,8 @@ func HandleCheckTcpHeart() {
} }
for _, v := range keys { for _, v := range keys {
changePrinterStatus(v, printerStatusOffline) changePrinterStatus(v, printerStatusOffline)
if tcpClient.Clients[v] != nil { if t.Clients[v] != nil {
delete(tcpClient.Clients, v) delete(t.Clients, v)
} }
} }
} }

189
business/jxstore/event/event_tcp_utils.go Normal file
View File

@@ -0,0 +1,189 @@
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 {
return &TcpClient{
Clients: make(map[string]*PrintInfo),
}
}