mirror of
https://gitee.com/XM-GO/PandaX.git
synced 2026-04-23 02:48:34 +08:00
113 lines
3.1 KiB
Go
113 lines
3.1 KiB
Go
package updserver
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import (
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"context"
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"encoding/hex"
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"fmt"
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"net"
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udpclient "pandax/iothub/client/updclient"
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"pandax/iothub/hook_message_work"
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"pandax/iothub/netbase"
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"pandax/pkg/global"
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"pandax/pkg/global_model"
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"pandax/pkg/rule_engine/message"
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"time"
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)
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type HookUdpService struct {
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HookService *hook_message_work.HookService
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conn *net.UDPConn
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}
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func InitUdpHook(addr string, hs *hook_message_work.HookService) {
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server := NewUdpServer(addr)
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err := server.Start(context.TODO())
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if err != nil {
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global.Log.Error("IOTHUB UDP服务启动错误", err)
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return
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} else {
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global.Log.Infof("UDP IOTHUB HOOK Start SUCCESS, Server listen: %s", addr)
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}
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buffer := make([]byte, 1024)
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authMap := make(map[string]bool)
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etoken := &global_model.DeviceAuth{}
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hhs := &HookUdpService{
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HookService: hs,
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conn: server.listener,
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}
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for {
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n, client, err := server.listener.ReadFromUDP(buffer)
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if err != nil {
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global.Log.Error("Error accepting connection:", err)
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_ = server.listener.Close()
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//设置断开连接
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if isAuth, ok := authMap[client.AddrPort().String()]; ok && isAuth {
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data := netbase.CreateConnectionInfo(message.DisConnectMes, "udp", client.IP.String(), client.AddrPort().String(), etoken)
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hhs.HookService.MessageCh <- data
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}
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delete(udpclient.UdpClient, etoken.DeviceId)
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delete(authMap, client.AddrPort().String())
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continue
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}
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if isAuth, ok := authMap[client.AddrPort().String()]; ok && isAuth {
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data := &netbase.DeviceEventInfo{
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DeviceId: etoken.DeviceId,
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DeviceAuth: etoken,
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}
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hexData := hex.EncodeToString(buffer[:n])
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global.Log.Infof("UDP协议 设备%s, 接受消息%s", etoken.DeviceId, hexData)
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ts := time.Now().Format("2006-01-02 15:04:05.000")
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data.Type = message.RowMes
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data.Datas = fmt.Sprintf(`{"ts": "%s","rowdata": "%s"}`, ts, hexData)
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// etoken中添加设备标识
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hhs.HookService.MessageCh <- data
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} else {
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token := string(buffer[:n])
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etoken.GetDeviceToken(token)
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auth := netbase.Auth(token)
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// 认证成功，创建连接记录
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if auth {
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global.Log.Infof("UDP协议 设备%s,认证成功", etoken.DeviceId)
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data := netbase.CreateConnectionInfo(message.ConnectMes, "udp", client.IP.String(), client.AddrPort().String(), etoken)
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hhs.HookService.MessageCh <- data
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authMap[client.AddrPort().String()] = true
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udpclient.UdpClient[etoken.DeviceId] = &udpclient.UdpClientT{
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Conn: server.listener,
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Addr: client,
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}
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hhs.Send(client, "success")
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} else {
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hhs.Send(client, "fail")
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}
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}
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}
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}
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func (hhs *HookUdpService) Send(addr *net.UDPAddr, message string) error {
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return hhs.SendBytes(addr, []byte(message))
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}
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func (hhs *HookUdpService) SendHex(addr *net.UDPAddr, msg string) error {
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b, err := hex.DecodeString(msg)
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if err != nil {
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return err
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}
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return hhs.SendBytes(addr, b)
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}
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func (hhs *HookUdpService) SendBytes(addr *net.UDPAddr, msg []byte) error {
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_, err := hhs.conn.WriteToUDP(msg, addr)
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if err != nil {
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hhs.conn.Close()
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data := &netbase.DeviceEventInfo{
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DeviceId: "",
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Datas: "",
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Type: message.ConnectMes,
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}
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hhs.HookService.MessageCh <- data
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}
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return err
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}
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