minor refactoring
This commit is contained in:
parent
ec79619f38
commit
41b1fa59a5
16
config.yml
16
config.yml
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@ -1,22 +1,26 @@
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theme: dark
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theme: dark
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run-charts:
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run-charts:
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- title: curl-latency
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- title: CURL-LATENCY
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data:
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data:
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- label: google.com
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- label: GOOGLE
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script: curl -o /dev/null -s -w '%{time_total}' http://google.com
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script: curl -o /dev/null -s -w '%{time_total}' http://google.com
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- label: yahoo.com
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- label: YAHOO
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script: curl -o /dev/null -s -w '%{time_total}' http://yahoo.com
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script: curl -o /dev/null -s -w '%{time_total}' http://yahoo.com
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- label: example.com
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- label: YANDEX
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script: curl -o /dev/null -s -w '%{time_total}' http://example.com
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script: curl -o /dev/null -s -w '%{time_total}' http://yandex.com
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refresh-rate-ms: 300
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refresh-rate-ms: 300
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time-scale-sec: 1
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time-scale-sec: 1
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decimal-places: 1
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legend:
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labels: true
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details: true
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position:
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position:
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x: 0
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x: 0
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y: 0
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y: 0
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size:
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size:
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x: 15
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x: 15
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y: 15
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y: 15
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- title: mongo-count
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- title: MONGO-COUNT
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data:
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data:
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- label: posts
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- label: posts
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script: mongo --quiet --host=localhost blog --eval "db.getCollection('post').find({}).size()" | grep 2
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script: mongo --quiet --host=localhost blog --eval "db.getCollection('post').find({}).size()" | grep 2
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@ -2,19 +2,19 @@ package config
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import (
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import (
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"github.com/sqshq/vcmd/data"
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"github.com/sqshq/vcmd/data"
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. "github.com/sqshq/vcmd/layout"
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"github.com/sqshq/vcmd/settings"
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"github.com/sqshq/vcmd/settings"
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. "github.com/sqshq/vcmd/widgets"
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"gopkg.in/yaml.v2"
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"gopkg.in/yaml.v2"
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"io/ioutil"
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"io/ioutil"
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"log"
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"log"
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)
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)
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type Config struct {
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type Config struct {
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Theme settings.Theme `yaml:"theme"`
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Theme settings.Theme `yaml:"theme"`
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RunCharts []RunChart `yaml:"run-charts"`
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RunCharts []RunChartConfig `yaml:"run-charts"`
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}
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}
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type RunChart struct {
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type RunChartConfig struct {
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Title string `yaml:"title"`
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Title string `yaml:"title"`
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Items []data.Item `yaml:"data"`
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Items []data.Item `yaml:"data"`
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Position Position `yaml:"position"`
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Position Position `yaml:"position"`
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@ -7,13 +7,12 @@ import (
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type Poller struct {
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type Poller struct {
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consumer Consumer
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consumer Consumer
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item Item
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item Item
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pause bool
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}
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}
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func NewPoller(consumer Consumer, item Item, rateMs int) Poller {
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func NewPoller(consumer Consumer, item Item, rateMs int) Poller {
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ticker := time.NewTicker(time.Duration(rateMs * int(time.Millisecond)))
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ticker := time.NewTicker(time.Duration(rateMs * int(time.Millisecond)))
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poller := Poller{consumer, item, false}
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poller := Poller{consumer, item}
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go func() {
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go func() {
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for {
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for {
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@ -27,16 +26,8 @@ func NewPoller(consumer Consumer, item Item, rateMs int) Poller {
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return poller
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return poller
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}
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}
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func (self *Poller) TogglePause() {
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self.pause = !self.pause
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}
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func (self *Poller) poll() {
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func (self *Poller) poll() {
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if self.pause {
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return
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}
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value, err := self.item.nextValue()
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value, err := self.item.nextValue()
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if err != nil {
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if err != nil {
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31
main.go
31
main.go
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@ -4,7 +4,7 @@ import (
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ui "github.com/sqshq/termui"
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ui "github.com/sqshq/termui"
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"github.com/sqshq/vcmd/config"
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"github.com/sqshq/vcmd/config"
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"github.com/sqshq/vcmd/data"
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"github.com/sqshq/vcmd/data"
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"github.com/sqshq/vcmd/layout"
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"github.com/sqshq/vcmd/settings"
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"github.com/sqshq/vcmd/widgets"
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"github.com/sqshq/vcmd/widgets"
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"log"
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"log"
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"time"
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"time"
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@ -12,6 +12,8 @@ import (
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func main() {
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func main() {
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print("\033]0;vcmd\007")
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cfg := config.Load("/Users/sqshq/Go/src/github.com/sqshq/vcmd/config.yml")
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cfg := config.Load("/Users/sqshq/Go/src/github.com/sqshq/vcmd/config.yml")
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if err := ui.Init(); err != nil {
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if err := ui.Init(); err != nil {
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@ -22,7 +24,7 @@ func main() {
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events := ui.PollEvents()
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events := ui.PollEvents()
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pollers := make([]data.Poller, 0)
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pollers := make([]data.Poller, 0)
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lout := layout.NewLayout(ui.TerminalDimensions())
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lout := widgets.NewLayout(ui.TerminalDimensions())
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for _, chartConfig := range cfg.RunCharts {
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for _, chartConfig := range cfg.RunCharts {
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@ -36,17 +38,18 @@ func main() {
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}
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}
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ticker := time.NewTicker(30 * time.Millisecond)
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ticker := time.NewTicker(30 * time.Millisecond)
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pause := false
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for {
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for {
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select {
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select {
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case e := <-events:
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case e := <-events:
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switch e.ID {
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switch e.ID {
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case "q", "<C-c>":
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case settings.EventQuit, settings.EventExit:
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return
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return
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case "<Resize>":
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case settings.EventResize:
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payload := e.Payload.(ui.Resize)
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payload := e.Payload.(ui.Resize)
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lout.ChangeDimensions(payload.Width, payload.Height)
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lout.ChangeDimensions(payload.Width, payload.Height)
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case "<MouseLeft>":
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case settings.EventMouseClick:
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//payload := e.Payload.(ui.Mouse)
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//payload := e.Payload.(ui.Mouse)
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//x, y := payload.X, payload.Y
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//x, y := payload.X, payload.Y
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//log.Printf("x: %v, y: %v", x, y)
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//log.Printf("x: %v, y: %v", x, y)
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@ -54,23 +57,23 @@ func main() {
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switch e.Type {
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switch e.Type {
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case ui.KeyboardEvent:
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case ui.KeyboardEvent:
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switch e.ID {
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switch e.ID {
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case "<Left>":
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case settings.EventKeyboardLeft:
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// here we are going to move selection (special type of layout item)
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// here we are going to move selection (special type of layout item)
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//lout.GetItem("").Move(-1, 0)
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//lout.GetItem("").Move(-1, 0)
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case "<Right>":
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case settings.EventKeyboardRight:
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//lout.GetItem(0).Move(1, 0)
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//lout.GetItem(0).Move(1, 0)
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case "<Down>":
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case settings.EventKeyboardDown:
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//lout.GetItem(0).Move(0, 1)
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//lout.GetItem(0).Move(0, 1)
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case "<Up>":
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case settings.EventKeyboardUp:
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//lout.GetItem(0).Move(0, -1)
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//lout.GetItem(0).Move(0, -1)
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case "p":
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case settings.EventPause:
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for _, poller := range pollers {
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pause = !pause
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poller.TogglePause()
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}
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}
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}
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}
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}
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case <-ticker.C:
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case <-ticker.C:
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ui.Render(lout)
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if !pause {
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ui.Render(lout)
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}
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}
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}
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}
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}
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}
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}
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@ -0,0 +1,15 @@
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package settings
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type Event string
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const (
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EventPause = "p"
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EventQuit = "q"
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EventResize = "<Resize>"
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EventExit = "<C-c>"
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EventMouseClick = "<MouseLeft>"
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EventKeyboardLeft = "<Left>"
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EventKeyboardRight = "<Right>"
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EventKeyboardUp = "<Up>"
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EventKeyboardDown = "<Down>"
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)
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@ -1,4 +1,4 @@
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package layout
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package widgets
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import (
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import (
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. "github.com/sqshq/termui"
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. "github.com/sqshq/termui"
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package layout
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package widgets
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import (
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import (
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. "github.com/sqshq/termui"
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. "github.com/sqshq/termui"
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@ -20,6 +20,7 @@ const (
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xAxisLabelsGap = 2
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xAxisLabelsGap = 2
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yAxisLabelsWidth = 5
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yAxisLabelsWidth = 5
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yAxisLabelsGap = 1
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yAxisLabelsGap = 1
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xAxisLegendWidth = 15
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)
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)
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type RunChart struct {
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type RunChart struct {
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@ -79,7 +80,7 @@ func (self *RunChart) newChartGrid() ChartGrid {
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paddingWidth: xAxisLabelsGap + xAxisLabelsWidth,
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paddingWidth: xAxisLabelsGap + xAxisLabelsWidth,
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maxTimeWidth: self.Inner.Max.X - xAxisLabelsWidth/2 - xAxisLabelsGap,
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maxTimeWidth: self.Inner.Max.X - xAxisLabelsWidth/2 - xAxisLabelsGap,
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timeExtremum: GetTimeExtremum(linesCount, paddingDuration),
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timeExtremum: GetTimeExtremum(linesCount, paddingDuration),
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valueExtremum: GetValueExtremum(self.lines),
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valueExtremum: GetChartValueExtremum(self.lines),
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}
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}
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}
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}
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@ -88,7 +89,7 @@ func (self *RunChart) Draw(buf *Buffer) {
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self.mutex.Lock()
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self.mutex.Lock()
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self.Block.Draw(buf)
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self.Block.Draw(buf)
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self.grid = self.newChartGrid()
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self.grid = self.newChartGrid()
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self.plotAxes(buf)
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self.renderAxes(buf)
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drawArea := image.Rect(
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drawArea := image.Rect(
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self.Inner.Min.X+yAxisLabelsWidth+1, self.Inner.Min.Y,
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self.Inner.Min.X+yAxisLabelsWidth+1, self.Inner.Min.Y,
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@ -96,6 +97,7 @@ func (self *RunChart) Draw(buf *Buffer) {
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)
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)
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self.renderItems(buf, drawArea)
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self.renderItems(buf, drawArea)
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self.renderLegend(buf, drawArea)
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self.mutex.Unlock()
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self.mutex.Unlock()
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}
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}
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@ -151,7 +153,61 @@ func (self *RunChart) trimOutOfRangeValues() {
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}
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}
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}
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}
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func (self *RunChart) renderItems(buf *Buffer, drawArea image.Rectangle) {
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func (self *RunChart) renderAxes(buffer *Buffer) {
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// draw origin cell
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buffer.SetCell(
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NewCell(BOTTOM_LEFT, NewStyle(ColorWhite)),
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image.Pt(self.Inner.Min.X+yAxisLabelsWidth, self.Inner.Max.Y-xAxisLabelsHeight-1),
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)
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// draw x axis line
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for i := yAxisLabelsWidth + 1; i < self.Inner.Dx(); i++ {
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buffer.SetCell(
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NewCell(HORIZONTAL_DASH, NewStyle(ColorWhite)),
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image.Pt(i+self.Inner.Min.X, self.Inner.Max.Y-xAxisLabelsHeight-1),
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)
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}
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// draw grid
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for y := 0; y < self.Inner.Dy()-xAxisLabelsHeight-1; y = y + 2 {
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for x := 0; x < self.grid.linesCount; x++ {
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buffer.SetCell(
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NewCell(VERTICAL_DASH, NewStyle(settings.ColorDarkGrey)),
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image.Pt(self.grid.maxTimeWidth-x*self.grid.paddingWidth, y+self.Inner.Min.Y+1),
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)
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}
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}
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// draw y axis line
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for i := 0; i < self.Inner.Dy()-xAxisLabelsHeight-1; i++ {
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buffer.SetCell(
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NewCell(VERTICAL_DASH, NewStyle(ColorWhite)),
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image.Pt(self.Inner.Min.X+yAxisLabelsWidth, i+self.Inner.Min.Y),
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)
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}
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// draw x axis time labels
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for i := 0; i < self.grid.linesCount; i++ {
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labelTime := self.grid.timeExtremum.max.Add(time.Duration(-i) * time.Second)
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buffer.SetString(
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labelTime.Format("15:04:05"),
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NewStyle(ColorWhite),
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image.Pt(self.grid.maxTimeWidth-xAxisLabelsWidth/2-i*(self.grid.paddingWidth), self.Inner.Max.Y-1),
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)
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}
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// draw y axis labels
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verticalScale := self.grid.valueExtremum.max - self.grid.valueExtremum.min/float64(self.Inner.Dy()-xAxisLabelsHeight-1)
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for i := 1; i*(yAxisLabelsGap+1) <= self.Inner.Dy()-1; i++ {
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buffer.SetString(
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fmt.Sprintf("%.3f", float64(i)*self.grid.valueExtremum.min*verticalScale*(yAxisLabelsGap+1)),
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NewStyle(ColorWhite),
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image.Pt(self.Inner.Min.X, self.Inner.Max.Y-(i*(yAxisLabelsGap+1))-2),
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)
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}
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}
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func (self *RunChart) renderItems(buffer *Buffer, drawArea image.Rectangle) {
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canvas := NewCanvas()
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canvas := NewCanvas()
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canvas.Rectangle = drawArea
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canvas.Rectangle = drawArea
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@ -193,7 +249,7 @@ func (self *RunChart) renderItems(buf *Buffer, drawArea image.Rectangle) {
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previousPoint = xToPoint[pointsOrder[i-1]]
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previousPoint = xToPoint[pointsOrder[i-1]]
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}
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}
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//buf.SetCell(
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//buffer.SetCell(
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// NewCell(self.DotRune, NewStyle(SelectColor(self.LineColors, 0))),
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// NewCell(self.DotRune, NewStyle(SelectColor(self.LineColors, 0))),
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// currentPoint,
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// currentPoint,
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//)
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//)
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@ -206,68 +262,47 @@ func (self *RunChart) renderItems(buf *Buffer, drawArea image.Rectangle) {
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}
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}
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}
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}
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canvas.Draw(buf)
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canvas.Draw(buffer)
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}
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func (self *RunChart) renderLegend(buffer *Buffer, rectangle image.Rectangle) {
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for i, line := range self.lines {
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extremum := GetLineValueExtremum(line.points)
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buffer.SetString(
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fmt.Sprintf("•"),
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NewStyle(line.item.Color),
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image.Pt(self.Inner.Max.X-xAxisLegendWidth-2, self.Inner.Min.Y+1+i*5),
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)
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buffer.SetString(
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fmt.Sprintf("%s", line.item.Label),
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NewStyle(line.item.Color),
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image.Pt(self.Inner.Max.X-xAxisLegendWidth, self.Inner.Min.Y+1+i*5),
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)
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buffer.SetString(
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fmt.Sprintf("max %.3f", extremum.max),
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NewStyle(ColorWhite),
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image.Pt(self.Inner.Max.X-xAxisLegendWidth, self.Inner.Min.Y+2+i*5),
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)
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buffer.SetString(
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fmt.Sprintf("min %.3f", extremum.min),
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NewStyle(ColorWhite),
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image.Pt(self.Inner.Max.X-xAxisLegendWidth, self.Inner.Min.Y+3+i*5),
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)
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buffer.SetString(
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fmt.Sprintf("cur %.3f", line.points[len(line.points)-1].Value),
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NewStyle(ColorWhite),
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image.Pt(self.Inner.Max.X-xAxisLegendWidth, self.Inner.Min.Y+4+i*5),
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)
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|
}
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}
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}
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|
||||||
func (self *RunChart) isTimePointInRange(point TimePoint) bool {
|
func (self *RunChart) isTimePointInRange(point TimePoint) bool {
|
||||||
return point.Time.After(self.grid.timeExtremum.min.Add(self.grid.paddingDuration))
|
return point.Time.After(self.grid.timeExtremum.min.Add(self.grid.paddingDuration))
|
||||||
}
|
}
|
||||||
|
|
||||||
func (self *RunChart) plotAxes(buf *Buffer) {
|
func GetChartValueExtremum(items []TimeLine) ValueExtremum {
|
||||||
// draw origin cell
|
|
||||||
buf.SetCell(
|
|
||||||
NewCell(BOTTOM_LEFT, NewStyle(ColorWhite)),
|
|
||||||
image.Pt(self.Inner.Min.X+yAxisLabelsWidth, self.Inner.Max.Y-xAxisLabelsHeight-1),
|
|
||||||
)
|
|
||||||
|
|
||||||
// draw x axis line
|
|
||||||
for i := yAxisLabelsWidth + 1; i < self.Inner.Dx(); i++ {
|
|
||||||
buf.SetCell(
|
|
||||||
NewCell(HORIZONTAL_DASH, NewStyle(ColorWhite)),
|
|
||||||
image.Pt(i+self.Inner.Min.X, self.Inner.Max.Y-xAxisLabelsHeight-1),
|
|
||||||
)
|
|
||||||
}
|
|
||||||
|
|
||||||
// draw grid
|
|
||||||
for y := 0; y < self.Inner.Dy()-xAxisLabelsHeight-1; y = y + 2 {
|
|
||||||
for x := 0; x < self.grid.linesCount; x++ {
|
|
||||||
buf.SetCell(
|
|
||||||
NewCell(VERTICAL_DASH, NewStyle(settings.ColorDarkGrey)),
|
|
||||||
image.Pt(self.grid.maxTimeWidth-x*self.grid.paddingWidth, y+self.Inner.Min.Y+1),
|
|
||||||
)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// draw y axis line
|
|
||||||
for i := 0; i < self.Inner.Dy()-xAxisLabelsHeight-1; i++ {
|
|
||||||
buf.SetCell(
|
|
||||||
NewCell(VERTICAL_DASH, NewStyle(ColorWhite)),
|
|
||||||
image.Pt(self.Inner.Min.X+yAxisLabelsWidth, i+self.Inner.Min.Y),
|
|
||||||
)
|
|
||||||
}
|
|
||||||
|
|
||||||
// draw x axis time labels
|
|
||||||
for i := 0; i < self.grid.linesCount; i++ {
|
|
||||||
labelTime := self.grid.timeExtremum.max.Add(time.Duration(-i) * time.Second)
|
|
||||||
buf.SetString(
|
|
||||||
labelTime.Format("15:04:05"),
|
|
||||||
NewStyle(ColorWhite),
|
|
||||||
image.Pt(self.grid.maxTimeWidth-xAxisLabelsWidth/2-i*(self.grid.paddingWidth), self.Inner.Max.Y-1),
|
|
||||||
)
|
|
||||||
}
|
|
||||||
|
|
||||||
// draw y axis labels
|
|
||||||
verticalScale := self.grid.valueExtremum.max - self.grid.valueExtremum.min/float64(self.Inner.Dy()-xAxisLabelsHeight-1)
|
|
||||||
for i := 1; i*(yAxisLabelsGap+1) <= self.Inner.Dy()-1; i++ {
|
|
||||||
buf.SetString(
|
|
||||||
fmt.Sprintf("%.3f", float64(i)*self.grid.valueExtremum.min*verticalScale*(yAxisLabelsGap+1)),
|
|
||||||
NewStyle(ColorWhite),
|
|
||||||
image.Pt(self.Inner.Min.X, self.Inner.Max.Y-(i*(yAxisLabelsGap+1))-2),
|
|
||||||
)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
func GetValueExtremum(items []TimeLine) ValueExtremum {
|
|
||||||
|
|
||||||
if len(items) == 0 {
|
if len(items) == 0 {
|
||||||
return ValueExtremum{0, 0}
|
return ValueExtremum{0, 0}
|
||||||
|
@ -289,6 +324,26 @@ func GetValueExtremum(items []TimeLine) ValueExtremum {
|
||||||
return ValueExtremum{max: max, min: min}
|
return ValueExtremum{max: max, min: min}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
func GetLineValueExtremum(points []TimePoint) ValueExtremum {
|
||||||
|
|
||||||
|
if len(points) == 0 {
|
||||||
|
return ValueExtremum{0, 0}
|
||||||
|
}
|
||||||
|
|
||||||
|
var max, min = -math.MaxFloat64, math.MaxFloat64
|
||||||
|
|
||||||
|
for _, point := range points {
|
||||||
|
if point.Value > max {
|
||||||
|
max = point.Value
|
||||||
|
}
|
||||||
|
if point.Value < min {
|
||||||
|
min = point.Value
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return ValueExtremum{max: max, min: min}
|
||||||
|
}
|
||||||
|
|
||||||
func GetTimeExtremum(linesCount int, paddingDuration time.Duration) TimeExtremum {
|
func GetTimeExtremum(linesCount int, paddingDuration time.Duration) TimeExtremum {
|
||||||
maxTime := time.Now()
|
maxTime := time.Now()
|
||||||
return TimeExtremum{
|
return TimeExtremum{
|
||||||
|
|
Loading…
Reference in New Issue