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https://github.com/onyx-and-iris/vbantxt.git
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remove old cli files
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parent
d0bd5ca31a
commit
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142
main.go
142
main.go
@ -1,142 +0,0 @@
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package main
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import (
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"bytes"
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"encoding/binary"
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"flag"
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"fmt"
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"net"
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"os"
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"path/filepath"
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"time"
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"github.com/BurntSushi/toml"
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log "github.com/sirupsen/logrus"
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)
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var (
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host string
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port int
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streamname string
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bps int
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channel int
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delay int
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loglevel int
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bpsOpts = []int{0, 110, 150, 300, 600, 1200, 2400, 4800, 9600, 14400, 19200, 31250,
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38400, 57600, 115200, 128000, 230400, 250000, 256000, 460800, 921600,
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1000000, 1500000, 2000000, 3000000}
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)
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type (
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// connection represents the configurable fields of a config.toml
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connection struct {
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Host string
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Port int
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Streamname string
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}
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// config maps toml headers
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config struct {
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Connection map[string]connection
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}
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)
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func main() {
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flag.StringVar(&host, "host", "localhost", "vban host")
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flag.StringVar(&host, "h", "localhost", "vban host (shorthand)")
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flag.IntVar(&port, "port", 6980, "vban server port")
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flag.IntVar(&port, "p", 6980, "vban server port (shorthand)")
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flag.StringVar(&streamname, "streamname", "Command1", "stream name for text requests")
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flag.StringVar(&streamname, "s", "Command1", "stream name for text requests (shorthand)")
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flag.IntVar(&bps, "bps", 0, "vban bps")
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flag.IntVar(&bps, "b", 0, "vban bps (shorthand)")
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flag.IntVar(&channel, "channel", 0, "vban channel")
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flag.IntVar(&channel, "c", 0, "vban channel (shorthand)")
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flag.IntVar(&delay, "delay", 20, "delay between requests")
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flag.IntVar(&delay, "d", 20, "delay between requests (shorthand)")
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flag.IntVar(&loglevel, "loglevel", int(log.WarnLevel), "log level")
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flag.IntVar(&loglevel, "l", int(log.WarnLevel), "log level (shorthand)")
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flag.Parse()
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if loglevel >= int(log.PanicLevel) && loglevel <= int(log.TraceLevel) {
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log.SetLevel(log.Level(loglevel))
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}
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c, err := vbanConnect()
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if err != nil {
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log.Fatal(err)
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}
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defer c.Close()
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header := newRequestHeader(streamname, indexOf(bpsOpts, bps), channel)
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for _, arg := range flag.Args() {
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err := send(c, header, arg)
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if err != nil {
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log.Error(err.Error())
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}
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}
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}
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// vbanConnect establishes a VBAN connection to remote host
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func vbanConnect() (*net.UDPConn, error) {
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homeDir, err := os.UserHomeDir()
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if err != nil {
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return nil, err
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}
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f := filepath.Join(homeDir, ".vbantxt_cli", "config.toml")
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if _, err := os.Stat(f); err == nil {
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conn, err := connFromToml(f)
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if err != nil {
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return nil, err
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}
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if !isFlagPassed("h") && !isFlagPassed("host") {
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host = conn.Host
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}
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if !isFlagPassed("p") && !isFlagPassed("port") {
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port = conn.Port
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}
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if !isFlagPassed("s") && !isFlagPassed("streamname") {
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streamname = conn.Streamname
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}
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}
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log.Debugf("Using values host: %s port: %d streamname: %s", host, port, streamname)
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s, _ := net.ResolveUDPAddr("udp4", fmt.Sprintf("%s:%d", host, port))
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c, err := net.DialUDP("udp4", nil, s)
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if err != nil {
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return nil, err
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}
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log.Infof("Connected to %s", c.RemoteAddr())
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return c, nil
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}
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// connFromToml parses connection info from config.toml
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func connFromToml(f string) (*connection, error) {
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var c config
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_, err := toml.DecodeFile(f, &c.Connection)
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if err != nil {
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return nil, err
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}
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conn := c.Connection["connection"]
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return &conn, nil
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}
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// send sends a VBAN text request over UDP to remote host
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func send(c *net.UDPConn, h *requestHeader, msg string) error {
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log.Debugf("Sending '%s' to: %s", msg, c.RemoteAddr())
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data := []byte(msg)
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_, err := c.Write(append(h.header(), data...))
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if err != nil {
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return err
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}
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var a uint32
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_ = binary.Read(bytes.NewReader(h.framecounter[:]), binary.LittleEndian, &a)
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binary.LittleEndian.PutUint32(h.framecounter[:], a+1)
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time.Sleep(time.Duration(delay) * time.Millisecond)
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return nil
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}
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23
util.go
23
util.go
@ -1,23 +0,0 @@
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package main
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import "flag"
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// indexOf returns the index of an element in an array
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func indexOf[T comparable](collection []T, e T) int {
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for i, x := range collection {
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if x == e {
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return i
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}
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}
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return -1
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}
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func isFlagPassed(name string) bool {
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found := false
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flag.Visit(func(f *flag.Flag) {
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if f.Name == name {
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found = true
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}
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})
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return found
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}
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