93 lines
1.8 KiB
Go
93 lines
1.8 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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"time"
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"github.com/teeworlds-go/teeworlds/messages7"
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"github.com/teeworlds-go/teeworlds/network7"
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"github.com/teeworlds-go/teeworlds/protocol7"
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)
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const (
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maxPacksize = 1400
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)
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func getConnection() (net.Conn, error) {
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conn, err := net.Dial("udp", "127.0.0.1:8303")
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if err != nil {
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fmt.Printf("Some error %v", err)
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}
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return conn, err
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}
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func readNetwork(ch chan<- []byte, conn net.Conn) {
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buf := make([]byte, maxPacksize)
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for {
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len, err := bufio.NewReader(conn).Read(buf)
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packet := make([]byte, len)
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copy(packet[:], buf[:])
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if err == nil {
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ch <- packet
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} else {
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fmt.Printf("Some error %v\n", err)
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break
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}
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}
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conn.Close()
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}
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func main() {
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ch := make(chan []byte, maxPacksize)
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conn, err := getConnection()
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if err != nil {
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fmt.Printf("error connecting %v\n", err)
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os.Exit(1)
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}
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client := &protocol7.Connection{
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ClientToken: [4]byte{0x01, 0x02, 0x03, 0x04},
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ServerToken: [4]byte{0xff, 0xff, 0xff, 0xff},
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Ack: 0,
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Players: make([]protocol7.Player, network7.MaxClients),
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}
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go readNetwork(ch, conn)
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tokenPacket := client.CtrlToken()
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conn.Write(tokenPacket.Pack(client))
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for {
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time.Sleep(10_000_000)
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select {
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case msg := <-ch:
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result, err := client.OnPacket(msg)
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if err != nil {
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panic(err)
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}
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if result.Response != nil {
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// example of modifying outgoing traffic
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for i, msg := range result.Response.Messages {
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if msg.MsgId() == network7.MsgCtrlConnect {
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if connect, ok := result.Response.Messages[0].(messages7.CtrlConnect); ok {
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connect.Token = [4]byte{0xaa, 0xaa, 0xaa, 0xaa}
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result.Response.Messages[i] = connect
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}
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}
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}
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conn.Write(result.Response.Pack(client))
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}
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default:
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// do nothing
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}
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}
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}
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