Small CLI monitoring tool to decode proprietary [...] protocol and display info in human readable representation
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ycli-mon/cli-mon.go

85 lines
1.4 KiB

package main
import (
"cli-mon/can"
"cli-mon/ui"
"cli-mon/yabl"
"flag"
"fmt"
"os"
"time"
)
func main() {
filename := flag.String("f", "", "Candump filename")
canbus := flag.String("i", "", "CAN bus interface")
stdin := flag.Bool("s", false, "Read from stdin")
gui := flag.Bool("gui", false, "Text mode gui")
flag.Parse()
var frames <-chan *can.CanFrame
switch {
case *stdin:
frames = can.ReadStdin()
case len(*filename) > 0:
frames = can.Readfile(filename)
case len(*canbus) > 0:
var err error
frames, err = can.StartCan(*canbus)
if err != nil {
fmt.Println(err)
return
}
default:
flag.Usage()
}
if frames == nil {
fmt.Println("Get no data")
os.Exit(0)
}
converter := yabl.NewProtocolConverter()
var display ui.UI
if *gui {
display = ui.NewUI()
} else {
display = ui.NewLog()
}
display.Start()
updates := make(chan *yabl.Event, 1000)
var f func()
f = func() {
if events, ok := converter.CheckTimeouts(); ok {
for _, event := range events {
updates <- event
}
}
time.AfterFunc(50*time.Millisecond, f)
}
time.AfterFunc(5*time.Second, f)
go func() {
for frame := range frames {
if events, ok := converter.EventsFromFrame(frame); ok {
for _, event := range events {
updates <- event
}
}
}
close(updates)
}()
for event := range updates {
display.Consume(event)
}
display.Stop()
}