func draw() {
display = ui.NewPar("")
display.Height = 1
display.Border = false
prompt = ui.NewPar(promptMsg)
prompt.Height = 1
prompt.Border = false
help := ui.NewPar(`:c, :h for profiles; :f to filter; ↓ and ↑ to paginate`)
help.Height = 1
help.Border = false
help.TextBgColor = ui.ColorBlue
help.Bg = ui.ColorBlue
help.TextFgColor = ui.ColorWhite
gs := ui.Sparkline{}
gs.Title = "goroutines"
gs.Height = 4
gs.LineColor = ui.ColorCyan
ts := ui.Sparkline{}
ts.Title = "threads"
ts.Height = 4
ts.LineColor = ui.ColorCyan
sp = ui.NewSparklines(gs, ts)
sp.Height = 10
sp.Border = false
ls = ui.NewList()
ls.Border = false
ui.Body.AddRows(
ui.NewRow(ui.NewCol(4, 0, prompt), ui.NewCol(8, 0, help)),
ui.NewRow(ui.NewCol(12, 0, sp)),
ui.NewRow(ui.NewCol(12, 0, display)),
ui.NewRow(ui.NewCol(12, 0, ls)),
)
}
func main() {
configFile := flag.String("config", "config.json", "Configuration file")
flag.Parse()
monitors := readConfig(*configFile)
updates := make(chan monitor.CheckUpdate)
logbuf := new(bytes.Buffer)
log.SetOutput(logbuf)
err := termui.Init()
if err != nil {
log.Fatalf("Unable to init termui: %v\n", err)
}
defer termui.Close()
list := termui.NewList()
var urls []string
for _, m := range monitors {
e := fmt.Sprintf("[%v] %v", m.index, m.monitor.Source())
urls = append(urls, e)
if list.Width < int(float64(len(e))*float64(1.5)) {
list.Width = int(float64(len(e)) * float64(1.5))
}
}
list.Items = urls
list.ItemFgColor = termui.ColorYellow
list.BorderLabel = "URLs"
list.Height = 8
list.Y = 0
list.X = 0
sp := termui.NewSparklines()
sp.BorderLabel = "Response times"
sp.Y = list.Height
sp.X = 0
sp.Height = list.Height
for i, _ := range urls {
spark := termui.Sparkline{}
spark.Height = 1
spark.Title = fmt.Sprintf("URL %v", i)
spark.LineColor = termui.ColorCyan
spark.TitleColor = termui.ColorYellow
sp.Add(spark)
}
logPar := termui.NewPar(logbuf.String())
logPar.Height = 20
termui.Body.AddRows(
termui.NewRow(
termui.NewCol(6, 0, list),
termui.NewCol(6, 0, sp)),
termui.NewRow(
termui.NewCol(12, 0, logPar)))
termui.Body.Align()
for _, m := range monitors {
go m.monitor.Check(updates, m.index)
}
loop:
for {
select {
case u := <-updates:
if u.Healthy && u.Err == nil {
sp.Lines[u.Id].LineColor = COLOR_OK
} else {
sp.Lines[u.Id].LineColor = COLOR_KO
}
case <-time.After(2 * time.Second):
break loop
}
}
termui.Render(termui.Body)
termui.Handle("/sys/kbd/q", func(termui.Event) {
termui.StopLoop()
})
termui.Handle("/timer/1s", func(e termui.Event) {
t := e.Data.(termui.EvtTimer)
if t.Count%5 == 0 {
for _, m := range monitors {
go m.monitor.Check(updates, m.index)
}
loop:
for {
select {
case u := <-updates:
sp.Lines[u.Id].Data = append(sp.Lines[u.Id].Data, int(u.Duration))
if u.Healthy && u.Err == nil {
sp.Lines[u.Id].LineColor = COLOR_OK
} else {
sp.Lines[u.Id].LineColor = COLOR_KO
}
case <-time.After(2 * time.Second):
break loop
}
}
logPar.Text = logbuf.String()
termui.Render(termui.Body)
}
})
termui.Loop()
}
func main() {
err := ui.Init()
if err != nil {
panic(err)
}
defer ui.Close()
p := ui.NewPar(":PRESS q TO QUIT DEMO")
p.Height = 3
p.Width = 50
p.TextFgColor = ui.ColorWhite
p.Border.Label = "Text Box"
p.Border.FgColor = ui.ColorCyan
strs := []string{"[0] gizak/termui", "[1] editbox.go", "[2] iterrupt.go", "[3] keyboard.go", "[4] output.go", "[5] random_out.go", "[6] dashboard.go", "[7] nsf/termbox-go"}
list := ui.NewList()
list.Items = strs
list.ItemFgColor = ui.ColorYellow
list.Border.Label = "List"
list.Height = 7
list.Width = 25
list.Y = 4
g := ui.NewGauge()
g.Percent = 50
g.Width = 50
g.Height = 3
g.Y = 11
g.Border.Label = "Gauge"
g.BarColor = ui.ColorRed
g.Border.FgColor = ui.ColorWhite
g.Border.LabelFgColor = ui.ColorCyan
spark := ui.Sparkline{}
spark.Height = 1
spark.Title = "srv 0:"
spdata := []int{4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6}
spark.Data = spdata
spark.LineColor = ui.ColorCyan
spark.TitleColor = ui.ColorWhite
spark1 := ui.Sparkline{}
spark1.Height = 1
spark1.Title = "srv 1:"
spark1.Data = spdata
spark1.TitleColor = ui.ColorWhite
spark1.LineColor = ui.ColorRed
sp := ui.NewSparklines(spark, spark1)
sp.Width = 25
sp.Height = 7
sp.Border.Label = "Sparkline"
sp.Y = 4
sp.X = 25
sinps := (func() []float64 {
n := 220
ps := make([]float64, n)
for i := range ps {
ps[i] = 1 + math.Sin(float64(i)/5)
}
return ps
})()
lc := ui.NewLineChart()
lc.Border.Label = "dot-mode Line Chart"
lc.Data = sinps
lc.Width = 50
lc.Height = 11
lc.X = 0
lc.Y = 14
lc.AxesColor = ui.ColorWhite
lc.LineColor = ui.ColorRed | ui.AttrBold
lc.Mode = "dot"
bc := ui.NewBarChart()
bcdata := []int{3, 2, 5, 3, 9, 5, 3, 2, 5, 8, 3, 2, 4, 5, 3, 2, 5, 7, 5, 3, 2, 6, 7, 4, 6, 3, 6, 7, 8, 3, 6, 4, 5, 3, 2, 4, 6, 4, 8, 5, 9, 4, 3, 6, 5, 3, 6}
bclabels := []string{"S0", "S1", "S2", "S3", "S4", "S5"}
bc.Border.Label = "Bar Chart"
bc.Width = 26
bc.Height = 10
bc.X = 51
bc.Y = 0
bc.DataLabels = bclabels
bc.BarColor = ui.ColorGreen
bc.NumColor = ui.ColorBlack
lc1 := ui.NewLineChart()
lc1.Border.Label = "braille-mode Line Chart"
lc1.Data = sinps
lc1.Width = 26
lc1.Height = 11
lc1.X = 51
lc1.Y = 14
lc1.AxesColor = ui.ColorWhite
lc1.LineColor = ui.ColorYellow | ui.AttrBold
p1 := ui.NewPar("Hey!\nI am a borderless block!")
p1.HasBorder = false
p1.Width = 26
p1.Height = 2
p1.TextFgColor = ui.ColorMagenta
p1.X = 52
p1.Y = 11
draw := func(t int) {
g.Percent = t % 101
list.Items = strs[t%9:]
sp.Lines[0].Data = spdata[t%10:]
sp.Lines[1].Data = spdata[t/2%10:]
lc.Data = sinps[t/2:]
lc1.Data = sinps[2*t:]
bc.Data = bcdata[t/2%10:]
ui.Render(p, list, g, sp, lc, bc, lc1, p1)
}
evt := ui.EventCh()
i := 0
for {
select {
case e := <-evt:
if e.Type == ui.EventKey && e.Ch == 'q' {
return
}
default:
draw(i)
i++
if i == 102 {
return
}
time.Sleep(time.Second / 2)
}
}
}
func main() {
if err := ui.Init(); err != nil {
panic(err)
}
defer ui.Close()
p := ui.NewPar(":PRESS q TO QUIT DEMO")
p.Height = 3
p.Width = 50
p.TextFgColor = ui.ColorWhite
p.BorderLabel = "Text Box"
p.BorderFg = ui.ColorCyan
p.Handle("/timer/1s", func(e ui.Event) {
cnt := e.Data.(ui.EvtTimer)
if cnt.Count%2 == 0 {
p.TextFgColor = ui.ColorRed
} else {
p.TextFgColor = ui.ColorWhite
}
})
strs := []string{"[0] gizak/termui", "[1] editbox.go", "[2] iterrupt.go", "[3] keyboard.go", "[4] output.go", "[5] random_out.go", "[6] dashboard.go", "[7] nsf/termbox-go"}
list := ui.NewList()
list.Items = strs
list.ItemFgColor = ui.ColorYellow
list.BorderLabel = "List"
list.Height = 7
list.Width = 25
list.Y = 4
g := ui.NewGauge()
g.Percent = 50
g.Width = 50
g.Height = 3
g.Y = 11
g.BorderLabel = "Gauge"
g.BarColor = ui.ColorRed
g.BorderFg = ui.ColorWhite
g.BorderLabelFg = ui.ColorCyan
spark := ui.Sparkline{}
spark.Height = 1
spark.Title = "srv 0:"
spdata := []int{4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6, 4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6, 4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6, 4, 2, 1, 6, 3, 9, 1, 4, 2, 15, 14, 9, 8, 6, 10, 13, 15, 12, 10, 5, 3, 6, 1, 7, 10, 10, 14, 13, 6}
spark.Data = spdata
spark.LineColor = ui.ColorCyan
spark.TitleColor = ui.ColorWhite
spark1 := ui.Sparkline{}
spark1.Height = 1
spark1.Title = "srv 1:"
spark1.Data = spdata
spark1.TitleColor = ui.ColorWhite
spark1.LineColor = ui.ColorRed
sp := ui.NewSparklines(spark, spark1)
sp.Width = 25
sp.Height = 7
sp.BorderLabel = "Sparkline"
sp.Y = 4
sp.X = 25
sinps := (func() []float64 {
n := 220
ps := make([]float64, n)
for i := range ps {
ps[i] = 1 + math.Sin(float64(i)/5)
}
return ps
})()
lc := ui.NewLineChart()
lc.BorderLabel = "dot-mode Line Chart"
lc.Data = sinps
lc.Width = 50
lc.Height = 11
lc.X = 0
lc.Y = 14
lc.AxesColor = ui.ColorWhite
lc.LineColor = ui.ColorRed | ui.AttrBold
lc.Mode = "dot"
bc := ui.NewBarChart()
bcdata := []int{3, 2, 5, 3, 9, 5, 3, 2, 5, 8, 3, 2, 4, 5, 3, 2, 5, 7, 5, 3, 2, 6, 7, 4, 6, 3, 6, 7, 8, 3, 6, 4, 5, 3, 2, 4, 6, 4, 8, 5, 9, 4, 3, 6, 5, 3, 6}
bclabels := []string{"S0", "S1", "S2", "S3", "S4", "S5"}
bc.BorderLabel = "Bar Chart"
bc.Width = 26
bc.Height = 10
bc.X = 51
bc.Y = 0
bc.DataLabels = bclabels
bc.BarColor = ui.ColorGreen
bc.NumColor = ui.ColorBlack
lc1 := ui.NewLineChart()
lc1.BorderLabel = "braille-mode Line Chart"
lc1.Data = sinps
lc1.Width = 26
lc1.Height = 11
lc1.X = 51
lc1.Y = 14
lc1.AxesColor = ui.ColorWhite
lc1.LineColor = ui.ColorYellow | ui.AttrBold
p1 := ui.NewPar("Hey!\nI am a borderless block!")
p1.Border = false
p1.Width = 26
p1.Height = 2
p1.TextFgColor = ui.ColorMagenta
p1.X = 52
p1.Y = 11
draw := func(t int) {
g.Percent = t % 101
list.Items = strs[t%9:]
sp.Lines[0].Data = spdata[:30+t%50]
sp.Lines[1].Data = spdata[:35+t%50]
lc.Data = sinps[t/2%220:]
lc1.Data = sinps[2*t%220:]
bc.Data = bcdata[t/2%10:]
ui.Render(p, list, g, sp, lc, bc, lc1, p1)
}
ui.Handle("/sys/kbd/q", func(ui.Event) {
ui.StopLoop()
})
ui.Handle("/timer/1s", func(e ui.Event) {
t := e.Data.(ui.EvtTimer)
draw(int(t.Count))
})
ui.Loop()
}