goufy/pkg/gbxremote/gbxremote.go

52 lines
1.0 KiB
Go

package gbxremote
import (
"encoding/binary"
"log"
"net"
"strconv"
"git.fanyx.xyz/fanyx/goufy/pkg/config"
)
type GbxClient struct {
conn net.Conn
reqHandle int
}
func (client *GbxClient) Connect(c config.AppConfig) {
// create connection string from config
gbxConnString := c.Trackmania.Host + ":" + strconv.FormatInt(int64(c.Trackmania.Port), 10)
var err error
//initiate GbxClient
client.conn, err = net.Dial("tcp", gbxConnString)
if err != nil {
log.Fatal(err)
}
defer client.conn.Close()
// handshake
buf := make([]byte, 4)
_, err = client.conn.Read(buf)
if err != nil {
log.Fatal(err)
}
// read handshake length
len := binary.LittleEndian.Uint32(buf)
// break handshake if length over 64
if len > 64 {
log.Fatal("Handshake is not GBXRemote")
}
// otherwise continue to read protocol string
buf = make([]byte, len)
_, err = client.conn.Read(buf)
p := string(buf[:])
if p != "GBXRemote 2" {
log.Fatal("Protocol not GBXRemote 2")
}
log.Println("Connection established successfully!")
}