//doLiveGraph builds a graph in the terminal window that
//updates every graphUpdate seconds
//It will build up to maxGraphs graphs with one time-series
//per graph
func doLiveGraph(res *wavefront.QueryResponse, query *wavefront.Querying, period int64) {
err := ui.Init()
if err != nil {
log.Fatal(err)
}
defer ui.Close()
if maxGraphs > len(res.TimeSeries) {
maxGraphs = len(res.TimeSeries)
}
var wDivisor, hDivisor int
switch maxGraphs {
case 1:
wDivisor = 1
hDivisor = 1
case 2:
wDivisor = 2
hDivisor = 1
case 3, 4:
wDivisor = 2
hDivisor = 2
}
height := ui.TermHeight() / hDivisor
width := ui.TermWidth() / wDivisor
xVals, yVals := calculateCoords(maxGraphs, ui.TermWidth()/wDivisor, ui.TermHeight()/hDivisor)
graphs := buildGraphs(res, height, width, xVals, yVals)
ui.Render(graphs...)
ui.Handle("/sys/kbd/q", func(ui.Event) {
// press q to quit
ui.StopLoop()
})
ui.Handle("/sys/kbd/C-c", func(ui.Event) {
// handle Ctrl + c combination
ui.StopLoop()
})
ui.Handle("/timer/1s", func(e ui.Event) {
query.SetEndTime(time.Now())
query.SetStartTime(period)
res, err := query.Execute()
if err != nil {
log.Fatal(err)
}
graphs := buildGraphs(res, height, width, xVals, yVals)
ui.Render(graphs...)
})
ui.Loop()
}
func (p *TicketShowPage) Create() {
log.Debugf("TicketShowPage.Create(): self: %s (%p)", p.Id(), p)
log.Debugf("TicketShowPage.Create(): currentPage: %s (%p)", currentPage.Id(), currentPage)
p.opts = getJiraOpts()
if p.TicketId == "" {
p.TicketId = ticketListPage.GetSelectedTicketId()
}
if p.MaxWrapWidth == 0 {
if m := p.opts["max_wrap"]; m != nil {
p.MaxWrapWidth = uint(m.(int64))
} else {
p.MaxWrapWidth = defaultMaxWrapWidth
}
}
ui.Clear()
ls := ui.NewList()
if p.statusBar == nil {
p.statusBar = new(StatusBar)
}
if p.commandBar == nil {
p.commandBar = commandBar
}
p.uiList = ls
if p.Template == "" {
if templateOpt := p.opts["template"]; templateOpt == nil {
p.Template = "jira_ui_view"
} else {
p.Template = templateOpt.(string)
}
}
innerWidth := uint(ui.TermWidth()) - 3
if innerWidth < p.MaxWrapWidth {
p.WrapWidth = innerWidth
} else {
p.WrapWidth = p.MaxWrapWidth
}
if p.apiBody == nil {
p.apiBody, _ = FetchJiraTicket(p.TicketId)
}
p.cachedResults = WrapText(JiraTicketAsStrings(p.apiBody, p.Template), p.WrapWidth)
p.displayLines = make([]string, len(p.cachedResults))
if p.selectedLine >= len(p.cachedResults) {
p.selectedLine = len(p.cachedResults) - 1
}
ls.ItemFgColor = ui.ColorYellow
ls.Height = ui.TermHeight() - 2
ls.Width = ui.TermWidth()
ls.Border = true
ls.BorderLabel = fmt.Sprintf("%s %s", p.TicketId, p.ticketTrailAsString())
ls.Y = 0
p.statusBar.Create()
p.commandBar.Create()
p.Update()
}
func (p *LabelListPage) Create() {
ui.Clear()
ls := ui.NewList()
p.uiList = ls
if p.statusBar == nil {
p.statusBar = new(StatusBar)
}
if p.commandBar == nil {
p.commandBar = commandBar
}
queryName := p.ActiveQuery.Name
queryJQL := p.ActiveQuery.JQL
p.labelCounts = countLabelsFromQuery(queryJQL)
p.cachedResults = p.labelsAsSortedList()
p.isPopulated = true
p.displayLines = make([]string, len(p.cachedResults))
ls.ItemFgColor = ui.ColorYellow
ls.BorderLabel = fmt.Sprintf("Label view -- %s: %s", queryName, queryJQL)
ls.Height = ui.TermHeight() - 2
ls.Width = ui.TermWidth()
ls.Y = 0
p.statusBar.Create()
p.commandBar.Create()
p.Update()
}
func (ed *Editor) resize() {
termui.Body.Width = termui.TermWidth()
ed.applets.Height = termui.TermHeight() - 2 + 1 // offset 1 for border
ed.desc.Y = ed.locked.Y + ed.locked.Height - 1 // offset 1 for border
ed.desc.Height = termui.TermHeight() - ed.desc.Y - 2
ed.title.Y = termui.TermHeight() - 2
ed.title.Width = termui.TermWidth() + 1 // offset 1 for border
ed.appinfo.Width = termui.TermWidth() - ed.appinfo.X + 1 // offset 1 for border
ed.locked.Width = termui.TermWidth() - ed.applets.Width + 1 // offset 1 for border
ed.desc.Width = termui.TermWidth() - ed.applets.Width + 1 // offset 1 for border
ed.desc.WrapLength = ed.desc.Width
termui.Render(ed.applets, ed.fields, ed.appinfo, ed.locked, ed.desc, ed.title)
}
func init() {
err := termui.Init()
if err != nil {
panic(err)
}
termui.UseTheme("default")
ui = NewUi()
refreshTicker := time.NewTicker(time.Millisecond * 50)
evt := termui.EventCh()
ui.refresh()
go func() {
for {
select {
case e := <-evt:
if e.Type == termui.EventKey && e.Ch == 'q' {
os.Exit(1)
}
if e.Type == termui.EventResize {
ui.gridWidth = termui.TermWidth()
ui.refresh()
}
case <-refreshTicker.C:
ui.refresh()
}
}
}()
}
func (p *TicketListPage) Create() {
log.Debugf("TicketListPage.Create(): self: %s (%p)", p.Id(), p)
log.Debugf("TicketListPage.Create(): currentPage: %s (%p)", currentPage.Id(), currentPage)
ui.Clear()
ls := ui.NewList()
p.uiList = ls
if p.statusBar == nil {
p.statusBar = new(StatusBar)
}
if p.commandBar == nil {
p.commandBar = commandBar
}
query := p.ActiveQuery.JQL
if sort := p.ActiveSort.JQL; sort != "" {
re := regexp.MustCompile(`(?i)\s+ORDER\s+BY.+$`)
query = re.ReplaceAllString(query, ``) + " " + sort
}
if len(p.cachedResults) == 0 {
p.cachedResults = JiraQueryAsStrings(query, p.ActiveQuery.Template)
}
if p.selectedLine >= len(p.cachedResults) {
p.selectedLine = len(p.cachedResults) - 1
}
p.displayLines = make([]string, len(p.cachedResults))
ls.ItemFgColor = ui.ColorYellow
ls.BorderLabel = fmt.Sprintf("%s: %s", p.ActiveQuery.Name, p.ActiveQuery.JQL)
ls.Height = ui.TermHeight() - 2
ls.Width = ui.TermWidth()
ls.Y = 0
p.statusBar.Create()
p.commandBar.Create()
p.Update()
}
func NewUi() Ui {
headerWidget := termui.NewPar(fmt.Sprintf("podcastd v%s\nCopyright 2015 Philippe Gerber\nhttps://github.com/bigwhoop/podcastd", VERSION))
headerWidget.Height = 5
headerWidget.HasBorder = false
headerWidget.PaddingTop = 1
headerWidget.PaddingBottom = 1
headerWidget.PaddingLeft = 1
infoWidget := termui.NewPar("")
infoWidget.HasBorder = false
infoWidget.Text = fmt.Sprintf("Press 'q' to quit")
feedsWidget := termui.NewList()
feedsWidget.Border.Label = "Feeds"
return Ui{
termui.TermWidth(),
headerWidget,
infoWidget,
feedsWidget,
make(map[string]bool, 0),
make([]*termui.Gauge, 0),
make(map[string]curl.ProgressStatus, 0),
}
}
func readMessage(message *imap.MessageInfo) {
set := new(imap.SeqSet)
set.AddNum(message.Seq)
cmd, err := imap.Wait(c.Fetch(set, BODY_PART_NAME))
panicMaybe(err)
reader, err := messageReader(cmd.Data[0].MessageInfo())
panicMaybe(err)
scanner := bufio.NewScanner(reader)
var lines []string
for scanner.Scan() {
lines = append(lines, scanner.Text())
}
messageBodyStr := strings.Join(lines[:min(len(lines), ui.TermHeight()-2)], "\n")
if len(messageBodyStr) <= 0 {
LOG.Printf("Message body was empty or could not be retrieved: +%v\n", err)
return
}
msgBox := ui.NewPar(messageBodyStr)
msgBox.Border.Label = "Reading Message"
msgBox.Height = ui.TermHeight()
msgBox.Width = ui.TermWidth()
msgBox.Y = 0
ui.Render(msgBox)
topLineIndex := 0
redraw := make(chan bool)
for {
select {
case e := <-ui.EventCh():
switch e.Key {
case ui.KeyArrowDown:
topLineIndex = max(0, min(
len(lines)-msgBox.Height/2,
topLineIndex+1))
go func() { redraw <- true }()
case ui.KeyArrowUp:
topLineIndex = max(0, topLineIndex-1)
go func() { redraw <- true }()
case ui.KeyEsc:
// back to "list messages"
return
}
case <-redraw:
messageBodyStr = strings.Join(lines[topLineIndex+1:], "\n")
msgBox.Text = messageBodyStr
ui.Render(msgBox)
}
}
}
func (p *CommandBar) Create() {
ls := ui.NewList()
p.uiList = ls
ls.ItemFgColor = ui.ColorGreen
ls.Border = false
ls.Height = 1
ls.Width = ui.TermWidth()
ls.X = 0
ls.Y = ui.TermHeight() - 1
p.Update()
}
func adjustDimensions() {
termui.Body.Width = termui.TermWidth()
height := termui.TermHeight()
parMap["moveHistory"].Height = height - 23 - 4
parMap["output"].Height = height - 23
if height < 31 {
parMap["board"].Height = height - 8
parMap["moveHistory"].Height = 2
parMap["output"].Height = 6
}
}
func sparkLinesEventLoop() {
ui.Handle("/sys/kbd/q", func(ui.Event) {
ui.StopLoop()
})
ui.Handle("/sys/wnd/resize", func(e ui.Event) {
ui.Body.Width = ui.TermWidth()
ui.Body.Align()
ui.Render(ui.Body)
})
ui.Loop() // blocking call
}
func main() {
flag.Parse()
if err := ui.Init(); err != nil {
panic(err)
}
defer ui.Close()
draw()
ui.Handle("/sys/kbd", func(e ui.Event) {
ev := e.Data.(ui.EvtKbd)
switch ev.KeyStr {
case ":":
promptMsg = ":"
case "C-8":
if l := len(promptMsg); l != 0 {
promptMsg = promptMsg[:l-1]
}
case "<enter>":
handleInput()
promptMsg = ""
case "<left>":
case "<up>":
if reportPage > 0 {
reportPage--
}
case "<right>":
case "<down>":
reportPage++
case "<escape>":
promptMsg = ""
default:
// TODO: filter irrelevant keys such as up, down, etc.
promptMsg += ev.KeyStr
}
refresh()
})
ui.Handle("/sys/kbd/C-c", func(ui.Event) {
ui.StopLoop()
})
ui.Handle("/timer/1s", func(ui.Event) {
loadProfile(false)
loadStats()
refresh()
})
ui.Handle("/sys/wnd/resize", func(e ui.Event) {
ui.Body.Width = ui.TermWidth()
refresh()
})
ui.Body.Align()
ui.Render(ui.Body)
ui.Loop()
}
func (p *StatusBar) Create() {
ls := ui.NewList()
p.uiList = ls
ls.ItemFgColor = ui.ColorWhite
ls.ItemBgColor = ui.ColorRed
ls.Bg = ui.ColorRed
ls.Border = false
ls.Height = 1
ls.Width = ui.TermWidth()
ls.X = 0
ls.Y = ui.TermHeight() - 2
p.Update()
}
func (p *BaseListPage) Create() {
ui.Clear()
ls := ui.NewList()
p.uiList = ls
p.cachedResults = make([]string, 0)
p.displayLines = make([]string, len(p.cachedResults))
ls.ItemFgColor = ui.ColorYellow
ls.BorderLabel = "Updating, please wait"
ls.Height = ui.TermHeight()
ls.Width = ui.TermWidth()
ls.Y = 0
p.Update()
}
func (p *BaseInputBox) Create() {
ls := ui.NewList()
var strs []string
p.uiList = ls
ls.Items = strs
ls.ItemFgColor = ui.ColorGreen
ls.BorderFg = ui.ColorRed
ls.Height = 1
ls.Width = 30
ls.Overflow = "wrap"
ls.X = ui.TermWidth()/2 - ls.Width/2
ls.Y = ui.TermHeight()/2 - ls.Height/2
p.Update()
}
func (p *PasswordInputBox) Create() {
ls := ui.NewList()
p.uiList = ls
var strs []string
ls.Items = strs
ls.ItemFgColor = ui.ColorGreen
ls.BorderLabel = "Enter Password:"
ls.BorderFg = ui.ColorRed
ls.Height = 3
ls.Width = 30
ls.X = ui.TermWidth()/2 - ls.Width/2
ls.Y = ui.TermHeight()/2 - ls.Height/2
p.Update()
}
func showSubreddit(subredditName string) error {
r := geddit.NewSession("r by /u/bnadland")
submissions, err := r.SubredditSubmissions(subredditName, geddit.HotSubmissions, geddit.ListingOptions{})
if err != nil {
return err
}
isActive := true
cursor := 3
for isActive {
entries := []string{}
for i, submission := range submissions {
entries = append(entries, fmt.Sprintf("%s %s", isActiveCursor(cursor, i), submission.Title))
}
ls := termui.NewList()
ls.Items = entries
ls.ItemFgColor = termui.ColorDefault
ls.Border.Label = fmt.Sprintf("Subreddit: %s", subredditName)
ls.Height = termui.TermHeight()
ls.Width = termui.TermWidth()
ls.Y = 0
termui.Render(ls)
event := <-termui.EventCh()
if event.Type == termui.EventKey {
switch event.Key {
case termui.KeyArrowLeft:
isActive = false
case termui.KeyArrowDown:
cursor = cursor + 1
if cursor > len(submissions) {
cursor = len(submissions)
}
case termui.KeyArrowUp:
cursor = cursor - 1
if cursor < 0 {
cursor = 0
}
}
}
}
return nil
}
func main() {
if len(os.Args) < 2 {
log.Fatal("Usage: ", os.Args[0], " <sparkyfish server hostname/IP>[:port]")
}
dest := os.Args[1]
i := last(dest, ':')
if i < 0 {
dest = fmt.Sprint(dest, ":7121")
}
// Initialize our screen
err := termui.Init()
if err != nil {
panic(err)
}
if termui.TermWidth() < 60 || termui.TermHeight() < 28 {
fmt.Println("sparkyfish needs a terminal window at least 60x28 to run.")
os.Exit(1)
}
defer termui.Close()
// 'q' quits the program
termui.Handle("/sys/kbd/q", func(termui.Event) {
termui.StopLoop()
})
// 'Q' also works
termui.Handle("/sys/kbd/Q", func(termui.Event) {
termui.StopLoop()
})
sc := newsparkyClient()
sc.serverHostname = dest
sc.prepareChannels()
sc.wr = newwidgetRenderer()
// Begin our tests
go sc.runTestSequence()
termui.Loop()
}
func (p *SortOrderPage) Create() {
ls := ui.NewList()
p.uiList = ls
p.selectedLine = 0
p.firstDisplayLine = 0
if len(p.cachedResults) == 0 {
p.cachedResults = getSorts()
p.displayLines = make([]string, len(p.cachedResults))
}
ls.ItemFgColor = ui.ColorGreen
ls.BorderLabel = "Sort By..."
ls.BorderFg = ui.ColorRed
ls.Height = 10
ls.Width = 50
ls.X = ui.TermWidth()/2 - ls.Width/2
ls.Y = ui.TermHeight()/2 - ls.Height/2
p.Update()
}
func maintainSparkLines(redraw chan bool, quit chan bool) {
evt := ui.EventCh()
for {
select {
case e := <-evt:
if e.Type == ui.EventKey && e.Ch == 'q' {
quit <- true
return
}
if e.Type == ui.EventResize {
ui.Body.Width = ui.TermWidth()
ui.Body.Align()
go func() { redraw <- true }()
}
case <-redraw:
ui.Render(ui.Body)
}
}
}
func loadStats() {
var max = ui.TermWidth()
s, err := fetchStats()
if err != nil {
displayMsg(fmt.Sprintf("error fetching stats: %v", err))
return
}
displayMsg("")
var cnts = []struct {
cnt int
titleFmt string
}{
{s.Goroutine, "goroutines (%d)"},
{s.Thread, "threads (%d)"},
}
for i, v := range cnts {
if n := len(sp.Lines[i].Data); n > max {
sp.Lines[i].Data = sp.Lines[i].Data[n-max : n]
}
sp.Lines[i].Title = fmt.Sprintf(v.titleFmt, v.cnt)
sp.Lines[i].Data = append(sp.Lines[i].Data, v.cnt)
}
}
func (p *HelpPage) Create() {
ui.Clear()
ls := ui.NewList()
p.uiList = ls
if p.statusBar == nil {
p.statusBar = new(StatusBar)
}
if p.commandBar == nil {
p.commandBar = commandBar
}
if len(p.cachedResults) == 0 {
p.cachedResults = HelpTextAsStrings(nil, "jira_ui_help")
}
p.displayLines = make([]string, len(p.cachedResults))
ls.ItemFgColor = ui.ColorYellow
ls.BorderLabel = "Help"
ls.Height = ui.TermHeight() - 2
ls.Width = ui.TermWidth()
ls.Y = 0
p.statusBar.Create()
p.commandBar.Create()
p.Update()
}
func (p *QueryPage) Create() {
log.Debugf("QueryPage.Create(): self: %s (%p)", p.Id(), p)
log.Debugf("QueryPage.Create(): currentPage: %s (%p)", currentPage.Id(), currentPage)
ui.Clear()
ls := ui.NewList()
p.uiList = ls
if p.statusBar == nil {
p.statusBar = new(StatusBar)
}
if p.commandBar == nil {
p.commandBar = commandBar
}
p.cachedResults = getQueries()
p.displayLines = make([]string, len(p.cachedResults))
ls.ItemFgColor = ui.ColorYellow
ls.BorderLabel = "Queries"
ls.Height = ui.TermHeight() - 2
ls.Width = ui.TermWidth()
ls.Y = 0
p.statusBar.Create()
p.commandBar.Create()
p.Update()
}
// Relayout recalculates widgets sizes and coords.
func (t *TermUISingle) Relayout() {
tw, th := termui.TermWidth(), termui.TermHeight()
h := th
// First row: Title and Status pars
firstRowH := 3
t.Title.Height = firstRowH
t.Title.Width = tw / 2
if tw%2 == 1 {
t.Title.Width++
}
t.Status.Height = firstRowH
t.Status.Width = tw / 2
t.Status.X = t.Title.X + t.Title.Width
h -= firstRowH
// Second row: lists
secondRowH := 3
num := len(t.Pars)
parW := tw / num
for i, par := range t.Pars {
par.Y = th - h
par.Width = parW
par.Height = secondRowH
par.X = i * parW
}
if num*parW < tw {
t.Pars[num-1].Width = tw - ((num - 1) * parW)
}
h -= secondRowH
// Third row: Sparklines
t.Sparkline.Width = tw
t.Sparkline.Height = h
t.Sparkline.Y = th - h
}
func main() {
//set log file
logFileName := "btc.log"
logFile, logErr := os.OpenFile(logFileName, os.O_CREATE|os.O_RDWR|os.O_APPEND, 0666)
if logErr != nil {
fmt.Println("Fail to find", *logFile, "cServer start Failed")
return
}
log.SetOutput(logFile)
log.SetFlags(log.Ldate | log.Ltime | log.Lshortfile)
log.Printf("cpu num %d", runtime.NumCPU())
runtime.GOMAXPROCS(runtime.NumCPU())
if err := ui.Init(); err != nil {
log.Printf("ui init err : %s", err)
return
}
defer ui.Close()
par = ui.NewPar("Last Price")
par.Height = 3
par.TextFgColor = ui.ColorWhite
par.BorderLabel = "Last Price"
infoPar = ui.NewPar("Price Info")
infoPar.Height = 3
infoPar.TextFgColor = ui.ColorWhite
infoPar.BorderLabel = "Price Info"
currentTime := time.Now().Format("2006-01-02 15:04:05")
timePar := ui.NewPar(currentTime)
timePar.Height = 3
timePar.TextFgColor = ui.ColorYellow
timePar.BorderLabel = "Current Time"
strItems := []string{}
delegateList = ui.NewList()
delegateList.Items = strItems
delegateList.ItemFgColor = ui.ColorYellow
delegateList.BorderLabel = "Delegate List"
delegateList.Height = 23
dealList = ui.NewList()
dealList.Items = strItems
dealList.ItemFgColor = ui.ColorYellow
dealList.Height = 23
dealList.BorderLabel = "Deal List"
ui.Body.AddRows(
ui.NewRow(
ui.NewCol(6, 0, par),
ui.NewCol(6, 0, timePar)))
ui.Body.AddRows(
ui.NewRow(
ui.NewCol(12, 0, infoPar)))
ui.Body.AddRows(
ui.NewRow(
ui.NewCol(6, 0, delegateList),
ui.NewCol(6, 0, dealList)))
ui.Body.Align()
ui.Render(ui.Body)
// websocket connect
log.Printf("connecting to %s", url)
c, _, err := websocket.DefaultDialer.Dial(url, nil)
if err != nil {
log.Fatal("dial:", err)
}
defer c.Close()
// message done chan
done := make(chan struct{})
exit := func() {
err := c.WriteMessage(websocket.CloseMessage, websocket.FormatCloseMessage(websocket.CloseNormalClosure, ""))
if err != nil {
log.Printf("write close: %s", err)
} else {
select {
case <-done:
case <-time.After(time.Second):
}
c.Close()
}
ui.StopLoop()
}
ui.Handle("/sys/kbd/q", func(ui.Event) {
exit()
})
ui.Handle("/sys/kbd/p", func(ui.Event) {
if !uiPaused {
uiPaused = true
} else {
uiPaused = false
}
})
ui.Handle("/sys/wnd/resize", func(e ui.Event) {
ui.Body.Width = ui.TermWidth()
ui.Body.Align()
ui.Render(ui.Body)
})
ui.Handle("/timer/1s", func(e ui.Event) {
currentTime := time.Now().Format("2006-01-02 15:04:05")
timePar.Text = currentTime
})
go func() {
for {
//or use message
if !uiPaused {
time.Sleep(time.Millisecond * 50)
ui.Render(ui.Body)
} else {
time.Sleep(time.Millisecond * 200)
}
}
}()
//----------------------- stocket message --------------
msgChan := make(chan []byte)
//获取消息
go func() {
defer c.Close()
defer close(done)
for {
_, message, err := c.ReadMessage()
if err != nil {
log.Printf("read err: %s", err)
return
}
msgChan <- message
}
}()
//订阅消息
sendSubChannel(c)
//heart check via pingChan
go func() {
defer close(pingChan)
for {
if c.WriteMessage(websocket.TextMessage, []byte("{\"event\": \"ping\"}")); err != nil {
log.Printf("send ping message err: %s", err)
break
}
log.Println("send ping message")
select {
case <-pingChan:
log.Println("server is alive")
//收到数据 1s 后继续发送心跳
time.Sleep(time.Second)
case <-time.After(time.Second * 1):
//超时 重新连接 socket
reConnectTimes := 0
for {
if reConnectTimes > 5 {
log.Fatal("websocket connect failed")
break
}
_c, _, err := websocket.DefaultDialer.Dial(url, nil)
if err != nil {
log.Println("re-connect websocket faild dial:", err)
log.Println("after 3s retry connect websocket")
reConnectTimes++
time.Sleep(time.Second * 3)
} else {
log.Println("re-connect websocket success")
c = _c
sendSubChannel(c)
break
}
}
}
}
}()
//开启10个worker 处理消息
for i := 0; i < 10; i++ {
go processMessage(msgChan)
}
//开始阻塞 循环terminal ui
ui.Loop()
}
// monitor starts a terminal UI based monitoring tool for the requested metrics.
func monitor(ctx *cli.Context) {
var (
client comms.EthereumClient
err error
)
// Attach to an Ethereum node over IPC or RPC
endpoint := ctx.String(monitorCommandAttachFlag.Name)
if client, err = comms.ClientFromEndpoint(endpoint, codec.JSON); err != nil {
utils.Fatalf("Unable to attach to geth node: %v", err)
}
defer client.Close()
xeth := rpc.NewXeth(client)
// Retrieve all the available metrics and resolve the user pattens
metrics, err := retrieveMetrics(xeth)
if err != nil {
utils.Fatalf("Failed to retrieve system metrics: %v", err)
}
monitored := resolveMetrics(metrics, ctx.Args())
if len(monitored) == 0 {
list := expandMetrics(metrics, "")
sort.Strings(list)
if len(list) > 0 {
utils.Fatalf("No metrics specified.\n\nAvailable:\n - %s", strings.Join(list, "\n - "))
} else {
utils.Fatalf("No metrics collected by geth (--%s).\n", utils.MetricsEnabledFlag.Name)
}
}
sort.Strings(monitored)
if cols := len(monitored) / ctx.Int(monitorCommandRowsFlag.Name); cols > 6 {
utils.Fatalf("Requested metrics (%d) spans more that 6 columns:\n - %s", len(monitored), strings.Join(monitored, "\n - "))
}
// Create and configure the chart UI defaults
if err := termui.Init(); err != nil {
utils.Fatalf("Unable to initialize terminal UI: %v", err)
}
defer termui.Close()
termui.UseTheme("helloworld")
rows := len(monitored)
if max := ctx.Int(monitorCommandRowsFlag.Name); rows > max {
rows = max
}
cols := (len(monitored) + rows - 1) / rows
for i := 0; i < rows; i++ {
termui.Body.AddRows(termui.NewRow())
}
// Create each individual data chart
footer := termui.NewPar("")
footer.HasBorder = true
footer.Height = 3
charts := make([]*termui.LineChart, len(monitored))
units := make([]int, len(monitored))
data := make([][]float64, len(monitored))
for i := 0; i < len(monitored); i++ {
charts[i] = createChart((termui.TermHeight() - footer.Height) / rows)
row := termui.Body.Rows[i%rows]
row.Cols = append(row.Cols, termui.NewCol(12/cols, 0, charts[i]))
}
termui.Body.AddRows(termui.NewRow(termui.NewCol(12, 0, footer)))
refreshCharts(xeth, monitored, data, units, charts, ctx, footer)
termui.Body.Align()
termui.Render(termui.Body)
// Watch for various system events, and periodically refresh the charts
refresh := time.Tick(time.Duration(ctx.Int(monitorCommandRefreshFlag.Name)) * time.Second)
for {
select {
case event := <-termui.EventCh():
if event.Type == termui.EventKey && event.Key == termui.KeyCtrlC {
return
}
if event.Type == termui.EventResize {
termui.Body.Width = termui.TermWidth()
for _, chart := range charts {
chart.Height = (termui.TermHeight() - footer.Height) / rows
}
termui.Body.Align()
termui.Render(termui.Body)
}
case <-refresh:
if refreshCharts(xeth, monitored, data, units, charts, ctx, footer) {
termui.Body.Align()
}
termui.Render(termui.Body)
}
}
}
func main() {
err := ui.Init()
if err != nil {
panic(err)
}
defer ui.Close()
sinps := (func() []float64 {
n := 400
ps := make([]float64, n)
for i := range ps {
ps[i] = 1 + math.Sin(float64(i)/5)
}
return ps
})()
sinpsint := (func() []int {
ps := make([]int, len(sinps))
for i, v := range sinps {
ps[i] = int(100*v + 10)
}
return ps
})()
// ui.UseTheme("helloworld")
spark := ui.Sparkline{}
spark.Height = 8
spdata := sinpsint
spark.Data = spdata[:100]
spark.LineColor = ui.ColorCyan
spark.TitleColor = ui.ColorWhite
sp := ui.NewSparklines(spark)
sp.Height = 11
sp.Border.Label = "Sparkline"
lc := ui.NewLineChart()
lc.Border.Label = "braille-mode Line Chart"
lc.Data = sinps
lc.Height = 11
lc.AxesColor = ui.ColorWhite
lc.LineColor = ui.ColorYellow | ui.AttrBold
gs := make([]*ui.Gauge, 3)
for i := range gs {
gs[i] = ui.NewGauge()
gs[i].Height = 2
gs[i].HasBorder = false
gs[i].Percent = i * 10
gs[i].PaddingBottom = 1
gs[i].BarColor = ui.ColorRed
}
ls := ui.NewList()
ls.HasBorder = false
ls.Items = []string{
"[1] Downloading File 1",
"", // == \newline
"[2] Downloading File 2",
"",
"[3] Uploading File 3",
}
ls.Height = 5
par := ui.NewPar("<> This row has 3 columns\n<- Widgets can be stacked up like left side\n<- Stacked widgets are treated as a single widget")
par.Height = 5
par.Border.Label = "Demonstration"
// build layout
ui.Body.AddRows(
ui.NewRow(
ui.NewCol(6, 0, sp),
ui.NewCol(6, 0, lc)),
ui.NewRow(
ui.NewCol(3, 0, ls),
ui.NewCol(3, 0, gs[0], gs[1], gs[2]),
ui.NewCol(6, 0, par)))
// calculate layout
ui.Body.Align()
done := make(chan bool)
redraw := make(chan bool)
/*
update := func() {
for i := 0; i < 103; i++ {
for _, g := range gs {
g.Percent = (g.Percent + 3) % 100
}
sp.Lines[0].Data = spdata[:100+i]
lc.Data = sinps[2*i:]
time.Sleep(time.Second / 2)
redraw <- true
}
done <- true
}
*/
evt := ui.EventCh()
ui.Render(ui.Body)
// go update()
for {
select {
case e := <-evt:
if e.Type == ui.EventKey && e.Ch == 'q' {
return
}
if e.Type == ui.EventResize {
ui.Body.Width = ui.TermWidth()
ui.Body.Align()
go func() { redraw <- true }()
}
case <-done:
return
case <-redraw:
ui.Render(ui.Body)
}
}
}
func main() {
pfile := flag.String("f", "", "psafe3 file")
flag.Parse()
fmt.Printf("Password: "******"Last Saved: %s\nLast Saved By %s @ %s",
safe.Headers.LastSave.Format("2006-01-02 15:04:05"),
safe.Headers.User, safe.Headers.Host))
rightpar.Height = 2
rightpar.HasBorder = false
leftpar := termui.NewPar(fmt.Sprintf("File Name: %s\nLast Program: %s",
filepath.Base(*pfile),
safe.Headers.ProgramSave))
leftpar.Height = 2
leftpar.HasBorder = false
recordlist := termui.NewList()
recordlist.Height = termui.TermHeight() - 5
recordlist.Items = getRecordList(safe)
recordlist.Border.Label = fmt.Sprintf("Records (%d)", len(safe.Records))
recorddetail := termui.NewPar("")
recorddetail.Height = recordlist.Height
recorddetail.Border.Label = "Record Information"
inputbox := termui.NewPar("")
inputbox.Height = 3
inputbox.Border.Label = "Input Box ([Enter] to save, [Esc] to cancel)"
inputrow := termui.NewRow(termui.NewCol(12, 0, inputbox))
commandinfo := termui.NewPar(strings.Join([]string{
"Select record by typing the index number. Edit field by typing field marker.",
}, "\n"))
commandinfo.Height = 3
commandinfo.Border.Label = "Help"
commandrow := termui.NewRow(termui.NewCol(12, 0, commandinfo))
termui.Body.AddRows(
termui.NewRow(
termui.NewCol(6, 0, leftpar),
termui.NewCol(6, 0, rightpar),
),
termui.NewRow(
termui.NewCol(6, 0, recordlist),
termui.NewCol(6, 0, recorddetail),
),
commandrow,
)
termui.Body.Align()
termui.Render(termui.Body)
evt := termui.EventCh()
inputMode := false
valBuffer := bytes.Buffer{}
numBuffer := bytes.Buffer{}
var selRecord *pwsafe.Record
var selField *string
var inputPrompt string
var startIndex int
Main:
for {
select {
case e := <-evt:
if !inputMode && e.Type == termui.EventKey {
switch e.Ch {
case 'q':
break Main
case '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
numBuffer.WriteRune(e.Ch)
case '#':
selIndex, _ := strconv.ParseInt(numBuffer.String(), 10, 64)
selRecord = &safe.Records[selIndex]
selField = nil
numBuffer.Reset()
case 'j':
startIndex++
rlist := getRecordList(safe)
recordlist.Items = rlist[startIndex:]
case 'k':
if startIndex > 1 {
startIndex--
rlist := getRecordList(safe)
recordlist.Items = rlist[startIndex:]
}
case 'a':
selIndex := len(safe.Records)
safe.Records = append(safe.Records, pwsafe.Record{})
selRecord = &safe.Records[selIndex]
selRecord.UUID = uuid.NewV1()
selRecord.CreationTime = time.Now()
selField = nil
rlist := getRecordList(safe)
recordlist.Items = rlist[startIndex:]
recordlist.Border.Label = fmt.Sprintf("Records (%d)", len(safe.Records))
case 'g':
selField = &selRecord.Group
inputPrompt = "Group: "
inputMode = true
valBuffer.WriteString(selRecord.Group)
inputbox.Text = inputPrompt + valBuffer.String()
case 't':
selField = &selRecord.Title
inputPrompt = "Title: "
inputMode = true
valBuffer.WriteString(selRecord.Title)
inputbox.Text = inputPrompt + valBuffer.String()
case 'u':
selField = &selRecord.Username
inputPrompt = "Username: "******"Password: "******"Url: "
inputMode = true
valBuffer.WriteString(selRecord.Url)
inputbox.Text = inputPrompt + valBuffer.String()
case 'n':
selField = &selRecord.Notes
inputPrompt = "Notes: "
inputMode = true
valBuffer.WriteString(selRecord.Notes)
inputbox.Text = inputPrompt + valBuffer.String()
case 'e':
selField = &selRecord.Email
inputPrompt = "Email: "
inputMode = true
valBuffer.WriteString(selRecord.Email)
inputbox.Text = inputPrompt + valBuffer.String()
}
} else if inputMode && e.Type == termui.EventKey {
if e.Key == termui.KeyEnter {
if selField != nil {
*selField = valBuffer.String()
}
valBuffer.Reset()
inputMode = false
inputbox.Text = ""
rlist := getRecordList(safe)
recordlist.Items = rlist[startIndex:]
} else if e.Key == termui.KeyEsc {
valBuffer.Reset()
inputMode = false
inputbox.Text = ""
} else if e.Key == termui.KeySpace {
valBuffer.WriteRune(' ')
} else if e.Key == termui.KeyBackspace || e.Ch == '' {
s := valBuffer.String()
valBuffer = bytes.Buffer{}
if len(s) > 0 {
s = s[0 : len(s)-1]
}
valBuffer.WriteString(s)
inputbox.Text = inputPrompt + valBuffer.String()
} else {
valBuffer.WriteRune(e.Ch)
inputbox.Text = inputPrompt + valBuffer.String()
}
}
if e.Type == termui.EventResize {
termui.Body.Width = termui.TermWidth()
termui.Body.Align()
}
if selRecord != nil {
recorddetail.Text = getRecordDetail(*selRecord)
}
if inputMode {
termui.Body.Rows[2] = inputrow
} else {
termui.Body.Rows[2] = commandrow
}
termui.Body.Align()
termui.Render(termui.Body)
}
}
oerr := pwsafe.OutputFile(*pfile, string(pw), *safe)
if oerr != nil {
log.Fatalln(oerr)
}
}
// monitor starts a terminal UI based monitoring tool for the requested metrics.
func monitor(ctx *cli.Context) error {
var (
client rpc.Client
err error
)
// Attach to an Expanse node over IPC or RPC
endpoint := ctx.String(monitorCommandAttachFlag.Name)
if client, err = utils.NewRemoteRPCClientFromString(endpoint); err != nil {
utils.Fatalf("Unable to attach to gexp node: %v", err)
}
defer client.Close()
// Retrieve all the available metrics and resolve the user pattens
metrics, err := retrieveMetrics(client)
if err != nil {
utils.Fatalf("Failed to retrieve system metrics: %v", err)
}
monitored := resolveMetrics(metrics, ctx.Args())
if len(monitored) == 0 {
list := expandMetrics(metrics, "")
sort.Strings(list)
if len(list) > 0 {
utils.Fatalf("No metrics specified.\n\nAvailable:\n - %s", strings.Join(list, "\n - "))
} else {
utils.Fatalf("No metrics collected by gexp (--%s).\n", utils.MetricsEnabledFlag.Name)
}
}
sort.Strings(monitored)
if cols := len(monitored) / ctx.Int(monitorCommandRowsFlag.Name); cols > 6 {
utils.Fatalf("Requested metrics (%d) spans more that 6 columns:\n - %s", len(monitored), strings.Join(monitored, "\n - "))
}
// Create and configure the chart UI defaults
if err := termui.Init(); err != nil {
utils.Fatalf("Unable to initialize terminal UI: %v", err)
}
defer termui.Close()
rows := len(monitored)
if max := ctx.Int(monitorCommandRowsFlag.Name); rows > max {
rows = max
}
cols := (len(monitored) + rows - 1) / rows
for i := 0; i < rows; i++ {
termui.Body.AddRows(termui.NewRow())
}
// Create each individual data chart
footer := termui.NewPar("")
footer.Block.Border = true
footer.Height = 3
charts := make([]*termui.LineChart, len(monitored))
units := make([]int, len(monitored))
data := make([][]float64, len(monitored))
for i := 0; i < len(monitored); i++ {
charts[i] = createChart((termui.TermHeight() - footer.Height) / rows)
row := termui.Body.Rows[i%rows]
row.Cols = append(row.Cols, termui.NewCol(12/cols, 0, charts[i]))
}
termui.Body.AddRows(termui.NewRow(termui.NewCol(12, 0, footer)))
refreshCharts(client, monitored, data, units, charts, ctx, footer)
termui.Body.Align()
termui.Render(termui.Body)
// Watch for various system events, and periodically refresh the charts
termui.Handle("/sys/kbd/C-c", func(termui.Event) {
termui.StopLoop()
})
termui.Handle("/sys/wnd/resize", func(termui.Event) {
termui.Body.Width = termui.TermWidth()
for _, chart := range charts {
chart.Height = (termui.TermHeight() - footer.Height) / rows
}
termui.Body.Align()
termui.Render(termui.Body)
})
go func() {
tick := time.NewTicker(time.Duration(ctx.Int(monitorCommandRefreshFlag.Name)) * time.Second)
for range tick.C {
if refreshCharts(client, monitored, data, units, charts, ctx, footer) {
termui.Body.Align()
}
termui.Render(termui.Body)
}
}()
termui.Loop()
return nil
}
func main() {
// Init
err := ui.Init()
if err != nil {
panic(err)
}
defer ui.Close()
// Theme Setting
ui.UseTheme("helloworld")
// Setup the CPU Gauge
cpuGauge := ui.NewGauge()
cpuGauge.Height = 2
cpuGauge.BarColor = ui.ColorRed
cpuGauge.HasBorder = false
cpuGauge.PaddingBottom = 1
go UpdateGenericGauge(cpuGauge, GetCPUPercentage)
// Setup the RAM Gauge
ramGauge := ui.NewGauge()
ramGauge.Height = 2
ramGauge.BarColor = ui.ColorGreen
ramGauge.HasBorder = false
ramGauge.PaddingBottom = 1
go UpdateGenericGauge(ramGauge, GetRAMPercentage)
// Setup the Label list
ls := ui.NewList()
ls.HasBorder = false
ls.Items = []string{
"CPU",
"",
"RAM",
}
ls.Height = 5
// Setup the CPU Line Chart
cpuLineChart := ui.NewLineChart()
cpuLineChart.Width = 50
cpuLineChart.Height = 11
cpuLineChart.Border.Label = "CPU Usage"
cpuLineChart.AxesColor = ui.ColorWhite
cpuLineChart.LineColor = ui.ColorGreen | ui.AttrBold
go UpdateGenericChart(cpuLineChart, GetCPUPercentage)
// Setup the RAM Line Chart
ramLineChart := ui.NewLineChart()
ramLineChart.Width = 50
ramLineChart.Height = 11
ramLineChart.Border.Label = "RAM Usage"
ramLineChart.AxesColor = ui.ColorWhite
ramLineChart.LineColor = ui.ColorGreen | ui.AttrBold
go UpdateGenericChart(ramLineChart, GetRAMPercentage)
// Setup the layout
ui.Body.AddRows(
ui.NewRow(
ui.NewCol(3, 0, cpuGauge, ramGauge),
ui.NewCol(3, 0, ls),
),
ui.NewRow(
ui.NewCol(6, 0, cpuLineChart),
ui.NewCol(6, 0, ramLineChart),
),
)
// Align
ui.Body.Align()
// Create the event polling system
evt := make(chan tm.Event)
go func() {
for {
evt <- tm.PollEvent()
}
}()
for {
select {
case e := <-evt:
if e.Type == tm.EventKey && e.Ch == 'q' {
return
}
if e.Type == tm.EventResize {
ui.Body.Width = ui.TermWidth()
ui.Body.Align()
}
default:
ui.Render(ui.Body)
time.Sleep(time.Second / 2)
}
}
}
