130 lines
2.7 KiB
Go
130 lines
2.7 KiB
Go
package main
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import (
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"errors"
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"math/rand"
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"os"
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"syscall"
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"time"
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"github.com/br0xen/boltrest"
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"github.com/nsf/termbox-go"
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)
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var adminDB *boltrest.DB
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func main() {
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initialize()
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adminDB = boltrest.Open("admin.db")
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err := termbox.Init()
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if err != nil {
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panic(err)
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}
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defer termbox.Close()
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stl := getDefaultStyle()
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termbox.SetOutputMode(termbox.Output256)
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mainLoop(stl)
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}
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func mainLoop() {
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screens := defaultScreens()
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displayScreen := screens[NasomiScreenIndex]
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layoutAndDrawScreen(displayScreen, stl)
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eventChan := make(chan termbox.Event)
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go readUserInput(eventChan)
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go sendNoneEvent(eventChan)
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for {
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event := <-eventChan
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if event.Type == termbox.EventKey {
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if event.Key == termbox.KeyCtrlZ {
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process, _ := os.FindProcess(os.Getpid())
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termbox.Close()
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process.Signal(syscall.SIGSTOP)
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termbox.Init()
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} else if event.Key == termbox.KeyCtrlC {
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termbox.Close()
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os.Exit(0)
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}
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newScreenIndex := displayScreen.handleKeyEvent(event)
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if newScreenIndex < len(screens) {
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displayScreen = screens[newScreenIndex]
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layoutAndDrawScreen(displayScreen, stl)
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} else {
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termbox.Close()
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break
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}
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}
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if event.Type == termbox.EventResize || event.Type == termbox.EventNone {
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layoutAndDrawScreen(displayScreen, stl)
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}
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}
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}
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func readUserInput(e chan termbox.Event) {
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for {
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e <- termbox.PollEvent()
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}
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}
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func sendNoneEvent(e chan termbox.Event) {
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for {
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time.Sleep(time.Second)
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e <- termbox.Event{Type: termbox.EventNone}
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}
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}
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func initialize() error {
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// Make sure that the necessary files/directories are in place
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var tstDir *os.File
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var tstDirInfo os.FileInfo
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var err error
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if tstDir, err = os.Open("dbs"); err != nil {
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if err = os.Mkdir("dbs", 0755); err != nil {
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return err
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}
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if tstDir, err = os.Open("dbs"); err != nil {
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return err
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}
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}
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if tstDirInfo, err = tstDir.Stat(); err != nil {
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return err
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}
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if !tstDirInfo.IsDir() {
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return errors.New("'dbs' exists and is not a directory")
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}
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// We were able to open the db path and it was a directory
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return nil
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}
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const (
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// ServerScreenIndex is the index
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ServerScreenIndex = iota
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// AboutScreenIndex The idx number for the 'About' Screen
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AboutScreenIndex
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// ExitScreenIndex The idx number for Exiting
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ExitScreenIndex
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)
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func defaultScreens() []Screen {
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serverScreen := ServerScreen{}
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aboutScreen := AboutScreen{}
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screens := []Screen{
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&serverScreen,
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&aboutScreen,
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}
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return screens
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}
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const keyChars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
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func generateAPIKey() string {
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b := make([]byte, 34)
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for i := range b {
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if i%5 == 4 {
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b[i] = '-'
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} else {
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b[i] = keyChars[rand.Int63()%int64(len(keyChars))]
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}
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}
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return string(b)
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}
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