256 lines
7.6 KiB
Go
256 lines
7.6 KiB
Go
package main
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import (
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"bufio"
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"fmt"
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"net"
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"os"
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"regexp"
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"strings"
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"time"
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log "github.com/sirupsen/logrus"
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)
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var CommandNumber int = 1
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type FlexSpot struct {
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ID int
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CommandNumber int
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FlexSpotNumber int
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DX string
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FrequencyMhz string
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FrequencyHz string
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Band string
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Mode string
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FlexMode string
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Source string
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SpotterCallsign string
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TimeStamp int64
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UTCTime string
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LifeTime string
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Priority string
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Comment string
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Color string
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BackgroundColor string
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}
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type FlexClient struct {
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Address string
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Port string
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Timeout time.Duration
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LogWriter *bufio.Writer
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Reader *bufio.Reader
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Writer *bufio.Writer
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Conn *net.TCPConn
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SpotChan chan TelnetSpot
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MsgChan chan string
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Repo FlexDXClusterRepository
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Log *log.Logger
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TCPServer TCPServer
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}
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func NewFlexClient(repo FlexDXClusterRepository, TCPServer TCPServer, log *log.Logger) *FlexClient {
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return &FlexClient{
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Address: Cfg.Flex.IP,
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Port: "4992",
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SpotChan: make(chan TelnetSpot),
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MsgChan: TCPServer.MsgChan,
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Repo: repo,
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TCPServer: TCPServer,
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Log: log,
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}
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}
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func (fc *FlexClient) StartFlexClient() {
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var err error
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addr, err := net.ResolveTCPAddr("tcp", fc.Address+":"+fc.Port)
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if err != nil {
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fc.Log.Error("cannot resolve Telnet Client address:", err)
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}
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fc.LogWriter = bufio.NewWriter(os.Stdout)
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fc.Timeout = 600 * time.Second
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fc.Conn, err = net.DialTCP("tcp", nil, addr)
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if err != nil {
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fc.Log.Error("could not connect to flex radio, exiting...", err)
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os.Exit(1)
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}
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fc.Log.Infof("connected to flex radio at %s:%s", fc.Address, fc.Port)
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go func() {
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for message := range fc.SpotChan {
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fc.SendSpottoFlex(message)
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}
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}()
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fc.Reader = bufio.NewReader(fc.Conn)
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fc.Writer = bufio.NewWriter(fc.Conn)
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err = fc.Conn.SetKeepAlive(true)
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if err != nil {
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fc.Log.Error("error while setting keep alive:", err)
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}
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go fc.ReadLine()
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subSpotAllCmd := fmt.Sprintf("C%v|sub spot all", CommandNumber)
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fc.Write(subSpotAllCmd)
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CommandNumber++
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clrSpotAllCmd := fmt.Sprintf("C%v|spot clear", CommandNumber)
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fc.Write(clrSpotAllCmd)
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CommandNumber++
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fc.Log.Info("Subscribed to spot on FlexRadio and Deleted all spots from panadapter")
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}
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func (fc *FlexClient) SendSpottoFlex(spot TelnetSpot) {
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freq := FreqMhztoHz(spot.Frequency)
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flexSpot := FlexSpot{
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CommandNumber: CommandNumber,
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DX: spot.DX,
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FrequencyMhz: freq,
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FrequencyHz: spot.Frequency,
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Band: spot.Band,
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Mode: spot.Mode,
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Source: "FlexDXCluster",
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SpotterCallsign: spot.Spotter,
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TimeStamp: time.Now().Unix(),
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UTCTime: spot.Time,
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LifeTime: Cfg.Flex.SpotLife,
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Comment: spot.Comment,
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Color: "#eaeaea",
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BackgroundColor: "#000000",
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Priority: "5",
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}
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if spot.NewDXCC {
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flexSpot.Color = "#3bf908"
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flexSpot.Priority = "1"
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flexSpot.BackgroundColor = "#000000"
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}
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if spot.NewBand || spot.NewMode && spot.Mode != "" {
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flexSpot.Color = "#f9f508"
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flexSpot.Priority = "2"
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flexSpot.BackgroundColor = "#000000"
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}
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if !spot.NewBand && !spot.NewMode && !spot.NewDXCC && !spot.CallsignWorked {
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flexSpot.Color = "#eaeaea"
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flexSpot.Priority = "5"
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flexSpot.BackgroundColor = "#000000"
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}
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if spot.CallsignWorked {
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flexSpot.Color = "#000000"
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flexSpot.BackgroundColor = "#00c0c0"
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flexSpot.Priority = "5"
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}
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if spot.DX == Cfg.SQLite.Callsign {
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flexSpot.Color = "#ff0000"
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flexSpot.Priority = "2"
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flexSpot.BackgroundColor = "#000000"
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}
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flexSpot.Comment = strings.ReplaceAll(flexSpot.Comment, " ", "\u00A0")
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flexSpot.Comment = flexSpot.Comment + "\u00A0" + "[" + flexSpot.Mode + "] [" + flexSpot.SpotterCallsign + "]"
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srcFlexSpot, err := fc.Repo.FindDXSameBand(flexSpot)
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if err != nil {
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fc.Log.Error("could not find the DX in the database: ", err)
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}
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if srcFlexSpot.DX == "" {
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fc.Repo.CreateSpot(flexSpot)
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stringSpot := fmt.Sprintf("C%v|spot add rx_freq=%v callsign=%s mode=%s source=%s spotter_callsign=%s timestamp=%v lifetime_seconds=%s comment=%s color=%s background_color=%s priority=%s", flexSpot.CommandNumber, flexSpot.FrequencyMhz,
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flexSpot.DX, flexSpot.Mode, flexSpot.Source, flexSpot.SpotterCallsign, flexSpot.TimeStamp, flexSpot.LifeTime, flexSpot.Comment, flexSpot.Color, flexSpot.BackgroundColor, flexSpot.Priority)
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CommandNumber++
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fc.SendSpot(stringSpot)
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} else if srcFlexSpot.DX != "" && srcFlexSpot.Band == flexSpot.Band && srcFlexSpot.FrequencyMhz != flexSpot.FrequencyMhz {
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fc.Repo.UpdateSpotSameBand(flexSpot)
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stringSpot := fmt.Sprintf("C%v|spot set %v rx_freq=%v callsign=%s mode=%s source=%s spotter_callsign=%s timestamp=%v lifetime_seconds=%s comment=%s color=%s background_color=%s priority=%s", flexSpot.CommandNumber, srcFlexSpot.FlexSpotNumber, flexSpot.FrequencyMhz,
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flexSpot.DX, flexSpot.Mode, flexSpot.Source, flexSpot.SpotterCallsign, flexSpot.TimeStamp, flexSpot.LifeTime, flexSpot.Comment, flexSpot.Color, flexSpot.BackgroundColor, flexSpot.Priority)
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CommandNumber++
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fc.SendSpot(stringSpot)
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} else if srcFlexSpot.DX != "" && srcFlexSpot.Band != flexSpot.Band {
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fc.Repo.CreateSpot(flexSpot)
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stringSpot := fmt.Sprintf("C%v|spot add rx_freq=%v callsign=%s mode=%s source=%s spotter_callsign=%s timestamp=%v lifetime_seconds=%s comment=%s color=%s background_color=%s priority=%s", flexSpot.CommandNumber, flexSpot.FrequencyMhz,
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flexSpot.DX, flexSpot.Mode, flexSpot.Source, flexSpot.SpotterCallsign, flexSpot.TimeStamp, flexSpot.LifeTime, flexSpot.Comment, flexSpot.Color, flexSpot.BackgroundColor, flexSpot.Priority)
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CommandNumber++
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fc.SendSpot(stringSpot)
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}
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}
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func (fc *FlexClient) SendSpot(stringSpot string) {
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fc.Write(stringSpot)
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}
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func (fc *FlexClient) ReadLine() {
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for {
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message, err := fc.Reader.ReadString(byte('\n'))
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if err != nil {
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fc.Log.Errorf("error reading message from flexradio closing program: %s", err)
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os.Exit(1)
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}
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// fc.Log.Info(message)
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regRespSpot := *regexp.MustCompile(`R(\d+)\|0\|(\d+)\n`)
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respSpot := regRespSpot.FindStringSubmatch(message)
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if len(respSpot) > 0 {
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spot, _ := fc.Repo.FindSpotByCommandNumber(respSpot[1])
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_, err := fc.Repo.UpdateFlexSpotNumberByID(respSpot[2], *spot)
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if err != nil {
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fc.Log.Errorf("could not update flex spot number in database: %s", err)
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}
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}
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// Response when a spot is clicked
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regTriggerSpot := *regexp.MustCompile(`.*spot (\d+) triggered.*\n`)
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respTrigger := regTriggerSpot.FindStringSubmatch(message)
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if len(respTrigger) > 0 {
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spot, err := fc.Repo.FindSpotByFlexSpotNumber(respTrigger[1])
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if err != nil {
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fc.Log.Errorf("could not find spot by flex spot number in database: %s", err)
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}
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msg := fmt.Sprintf(`To ALL de %s <%s> : Clicked on "%s" at %s`, Cfg.SQLite.Callsign, spot.UTCTime, spot.DX, spot.FrequencyHz)
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if len(fc.TCPServer.Clients) > 0 {
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fc.MsgChan <- msg
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fc.Log.Infof("%s clicked on spot \"%s\" at %s", Cfg.SQLite.Callsign, spot.DX, spot.FrequencyMhz)
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}
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}
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// Status when a spot is deleted
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regSpotDeleted := *regexp.MustCompile(`S\d+\|spot (\d+) removed`)
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respDelete := regSpotDeleted.FindStringSubmatch(message)
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if len(respDelete) > 0 {
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spot, _ := fc.Repo.FindSpotByFlexSpotNumber(respDelete[1])
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fc.Repo.DeleteSpotByFlexSpotNumber(respDelete[1])
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fc.Log.Infof("Spot: DX: %s - Spotter: %s - Freq: %s - Band: %s - FlexID: %v deleted from database", spot.DX, spot.SpotterCallsign, spot.FrequencyHz, spot.Band, respDelete[1])
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}
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}
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}
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// Write sends raw data to remove telnet server
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func (fc *FlexClient) Write(data string) (n int, err error) {
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n, err = fc.Writer.Write([]byte(data + "\n"))
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if err == nil {
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err = fc.Writer.Flush()
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}
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return
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}
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