teeworlds-go/go-teeworlds-protocol
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Turns out go is not C or ruby

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So slices don't just work as easy as in ruby
But i have no idea what is happening in detail either.

Seems like they are structs and somehow a mess.

Using fixed arrays instead and a bunch of compiler driven try and error
I fixed the bug of the server token getting corrupted.
This commit is contained in:
ChillerDragon 2024-06-01 18:27:54 +08:00
parent 8f98290582
commit 4538112164
1 changed files with 13 additions and 13 deletions
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26
teeworlds_client.go
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@ -37,7 +37,7 @@ func getConnection() (net.Conn, error) {
return conn, err
}
func readNetwork(ch chan []byte, conn net.Conn) {
func readNetwork(ch chan<- []byte, conn net.Conn) {
packet := make([]byte, maxPacksize)
for {
@ -54,14 +54,14 @@ func readNetwork(ch chan []byte, conn net.Conn) {
}
type TeeworldsClient struct {
clientToken []byte
serverToken []byte
clientToken [4]byte
serverToken [4]byte
conn net.Conn
}
func (client TeeworldsClient) sendCtrlMsg(data []byte) {
flags := []byte{0x04, 0x00, 0x00}
packet := slices.Concat(flags, client.serverToken, data)
packet := slices.Concat(flags, client.serverToken[:], data)
// fmt.Printf("sending %v\n", packet)
@ -71,7 +71,7 @@ func (client TeeworldsClient) sendCtrlMsg(data []byte) {
func (client TeeworldsClient) sendReady() {
packet := slices.Concat(
[]byte{0x00, 0x01, 0x01},
client.serverToken,
client.serverToken[:],
[]byte{0x40, 0x01, 0x02, 0x25},
)
client.conn.Write(packet)
@ -85,7 +85,7 @@ func (client TeeworldsClient) sendInfo() {
packet := slices.Concat(
[]byte{0x00, 0x00, 0x01},
client.serverToken,
client.serverToken[:],
info,
)
@ -114,9 +114,9 @@ func (client *TeeworldsClient) onMessage(data []byte) {
ctrlMsg := data[7]
fmt.Printf("got ctrl msg %d\n", ctrlMsg)
if ctrlMsg == msgCtrlToken {
client.serverToken = data[8:12]
fmt.Printf("got token %v\n", client.serverToken)
client.sendCtrlMsg(slices.Concat([]byte{msgCtrlConnect}, client.clientToken))
copy(client.serverToken[:], data[8:12])
fmt.Printf("got server token %v\n", client.serverToken)
client.sendCtrlMsg(slices.Concat([]byte{msgCtrlConnect}, client.clientToken[:]))
} else if ctrlMsg == msgCtrlAccept {
fmt.Println("got accept")
client.sendInfo()
@ -149,15 +149,15 @@ func main() {
os.Exit(1)
}
client := TeeworldsClient{
clientToken: []byte{0x01, 0x02, 0x03, 0x04},
serverToken: []byte{0xff, 0xff, 0xff, 0xff},
client := &TeeworldsClient{
clientToken: [4]byte{0x01, 0x02, 0x03, 0x04},
serverToken: [4]byte{0xff, 0xff, 0xff, 0xff},
conn: conn,
}
go readNetwork(ch, client.conn)
conn.Write(ctrlToken(client.clientToken))
conn.Write(ctrlToken(client.clientToken[:]))
for {
time.Sleep(10_000_000)