103 lines
1.9 KiB
Go
103 lines
1.9 KiB
Go
package cmd // code.bitsetter.de/fun/gosl/cmd
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import (
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"encoding/gob"
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"fmt"
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"log"
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"net"
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"os"
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"os/signal"
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"strconv"
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"syscall"
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"github.com/spf13/cobra"
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"code.bitsetter.de/fun/gosl/data"
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)
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var cmdClient = &cobra.Command{
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Use: "client <NUMBER>",
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Short: "Runs Gosl as a client",
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Long: "Runs Gosl as a client",
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//Run: runClient,
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}
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var (
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ServerHost string
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renderQueue = make(chan data.Frame)
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)
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func register(con net.Conn, id int) error {
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w, h := 0, 0 //data.TestNC()
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enc := gob.NewEncoder(con) // Encoder
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err := enc.Encode(data.Handshake{ID: id, H: h, W: w})
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return err
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}
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func render() {
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var f data.Frame
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for f = range renderQueue {
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data.RenderFrame(&f)
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}
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}
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func runClient(cmd *cobra.Command, args []string) {
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c := make(chan os.Signal)
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signal.Notify(c, os.Interrupt, os.Kill)
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signal.Notify(c, syscall.SIGTERM)
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data.InitNC(c)
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// really important???
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defer data.ExitNC()
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fmt.Println("running client ...")
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if len(args) < 1 {
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fmt.Println("Params: <NUMBER>")
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os.Exit(1)
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}
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id, _ := strconv.Atoi(args[0])
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con, err := net.Dial("tcp", ServerHost+":"+strconv.Itoa(ServerPort))
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if err != nil {
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fmt.Println("connect error:", err)
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}
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defer con.Close()
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register(con, id)
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go render()
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run := true
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for run {
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var oFrame data.Frame
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gd := gob.NewDecoder(con) // always use new decoder
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err = gd.Decode(&oFrame)
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if err != nil {
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log.Println("RGS:", err)
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run = false
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}
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renderQueue <- oFrame
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select {
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case <-c:
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// funzt noch nicht:
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log.Println("Got a KILL")
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con.Close()
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close(renderQueue)
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run = false
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default:
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if data.GetChar() != 0 {
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data.ExitNC()
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}
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}
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}
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}
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func init() {
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CmdGosl.AddCommand(cmdClient)
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cmdClient.Run = runClient
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cmdClient.Flags().StringVarP(&ServerHost, "host", "H", "127.0.0.1", "Connect to this server")
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cmdClient.Flags().IntVarP(&ServerPort, "port", "p", 8090, "Connect to server on this port")
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}
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