118 lines
2.2 KiB
Go
118 lines
2.2 KiB
Go
package main
|
|
|
|
import (
|
|
"bufio"
|
|
"fmt"
|
|
"io"
|
|
"log"
|
|
|
|
// "math"
|
|
"container/ring"
|
|
"os/exec"
|
|
|
|
"github.com/jroimartin/gocui"
|
|
"github.com/pelletier/go-toml"
|
|
)
|
|
|
|
var settings *toml.Tree
|
|
var stdout_ring *ring.Ring
|
|
var srv_stdin io.WriteCloser
|
|
|
|
// reload settings (and maybe other things too)
|
|
func reload() {
|
|
settings, _ = toml.LoadFile("serverwrapper.toml")
|
|
}
|
|
|
|
//builds the cmd which is called to run the server
|
|
func build_cmd() (string, string) {
|
|
return "ping", "-t 8.8.8.8"
|
|
}
|
|
|
|
//run the server-thread
|
|
func server_run() {
|
|
//create the command and start it
|
|
cmd_str, cmd_args := build_cmd()
|
|
cmd := exec.Command(cmd_str, cmd_args)
|
|
err := cmd.Start()
|
|
if err != nil {
|
|
log.Panicln("Failed to call server command \"" + cmd.String() + "\"")
|
|
}
|
|
|
|
//connect pipes
|
|
stdout, err := cmd.StdoutPipe()
|
|
cmd.Stderr = cmd.Stdout
|
|
srv_stdin, err = cmd.StdinPipe() //this one is global, because we write to it elsewhere
|
|
|
|
//read pipes and write them to the ring buffer
|
|
buf := bufio.NewReader(stdout)
|
|
for {
|
|
stdout_ring.Value, _, err = buf.ReadLine()
|
|
stdout_ring = stdout_ring.Next()
|
|
}
|
|
|
|
}
|
|
|
|
//refresh the screen
|
|
func refresh(g *gocui.Gui) error {
|
|
v, err := g.View("srv_log")
|
|
if err != nil {
|
|
log.Panicln(err)
|
|
}
|
|
v.Clear()
|
|
|
|
vW, vH := v.Size()
|
|
|
|
r := stdout_ring
|
|
|
|
for i := 0; i < vH; i++ {
|
|
fmt.Fprintln(v, r.Value)
|
|
r = r.Prev()
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func main() {
|
|
//initialize settings by "re"loading them from disk
|
|
reload()
|
|
|
|
//initialize the stdout/err ringbuffer
|
|
stdout_ring = ring.New(255)
|
|
|
|
//init the CUI
|
|
g, err := gocui.NewGui(gocui.OutputNormal)
|
|
if err != nil {
|
|
log.Panicln(err)
|
|
}
|
|
defer g.Close()
|
|
|
|
g.SetManagerFunc(layout)
|
|
|
|
if err := g.SetKeybinding("", gocui.KeyCtrlC, gocui.ModNone, quit); err != nil {
|
|
log.Panicln(err)
|
|
}
|
|
|
|
if err := g.MainLoop(); err != nil && err != gocui.ErrQuit {
|
|
log.Panicln(err)
|
|
}
|
|
}
|
|
|
|
//create the CUI layout
|
|
func layout(g *gocui.Gui) error {
|
|
maxX, maxY := g.Size()
|
|
|
|
if v, err := g.SetView("srv_log", 0, 0, maxX-1, int(float32(maxY) * 0.8)); err != nil {
|
|
if err != gocui.ErrUnknownView {
|
|
return err
|
|
}
|
|
|
|
str, _ := settings.ToTomlString();
|
|
fmt.Fprintln(v, str)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func quit(g *gocui.Gui, v *gocui.View) error {
|
|
return gocui.ErrQuit
|
|
} |