fanir/statusline
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restructuring

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This commit is contained in:
fanir 2021-07-10 02:19:30 +02:00
parent 2a5f3fadee
commit 368b8a8f36
8 changed files with 126 additions and 93 deletions
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1
.gitignore vendored
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@ -2,3 +2,4 @@
*.exe
/.idea
/.vscode

8
config/config.go Normal file
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@ -0,0 +1,8 @@
package config
type Format struct {
Default, Warning string
}
var DefaultFormat = Format{}
var TmuxFormat = Format{Default: "#[default]", Warning: "#[bg=colour208]"}

33
cpu/load.go Normal file
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@ -0,0 +1,33 @@
//+build !windows
package cpu
import (
"fmt"
"runtime"
cpuUtil "github.com/shirou/gopsutil/v3/cpu"
"github.com/shirou/gopsutil/v3/load"
"go.fanir.de/statusline/config"
)
func Load(format config.Format, precision int) (string, error) {
l, err := load.Avg()
if err != nil {
return "", err // FIXME
}
cpus, err := cpuUtil.Counts(true)
if err != nil {
// TODO: log error
cpus = runtime.NumCPU()
}
if l.Load1 > float64(cpus) {
return fmt.Sprintf(format.Warning), nil
}
return fmt.Sprintf("[%.[1]*[2]f %.[1]*[3]f %.[1]*[4]f]",
precision, l.Load1, l.Load5, l.Load15), nil
}

8
cpu/load_windows.go Normal file
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@ -0,0 +1,8 @@
package cpu
import "go.fanir.de/statusline/config"
func Load(format config.Format, precision int) (string, error) {
// todo: implement printLoad on windows
return "", nil
}

27
load.go
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@ -1,27 +0,0 @@
//+build !windows
package main
import (
"fmt"
"github.com/shirou/gopsutil/v3/load"
"runtime"
)
func printLoad(format Format, precision int) {
l, err := load.Avg()
if err != nil {
panic(err) // fixme
}
cpus, err := cpu.Counts(true)
if err != nil {
// todo: log error
cpus = runtime.NumCPU()
}
if l.Load1 > float64(cpus) {
fmt.Print(format.Warning)
}
fmt.Printf("[%.[1]*[2]f %.[1]*[3]f %.[1]*[4]f]",
precision, l.Load1, l.Load5, l.Load15)
}

5
load_windows.go
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@ -1,5 +0,0 @@
package main
func printLoad(format Format, precision int) {
// todo: implement printLoad on windows
}

56
mem/mem.go Normal file
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@ -0,0 +1,56 @@
package mem
import (
"fmt"
"strings"
"github.com/shirou/gopsutil/v3/mem"
"go.fanir.de/statusline/config"
)
var binarySuffixes = []string{"B", "KiB", "MiB", "GiB", "TiB"}
const binaryFactor = 1024
func HBin(a uint64, precision int) string {
f := float64(a)
var suffix string
for _, suffix = range binarySuffixes {
if f < binaryFactor {
break
}
f /= binaryFactor
}
return fmt.Sprintf("%.*f%s", precision, f, suffix)
}
func Mem(format config.Format, absolute, percent bool) (string, error) {
if !(absolute || percent) {
return "", nil
}
v, err := mem.VirtualMemory()
if err != nil {
return "", err // FIXME
}
s := &strings.Builder{}
if v.UsedPercent > 90 {
fmt.Fprint(s, format.Warning, "[")
} else {
fmt.Fprint(s, format.Default, "[")
}
if absolute {
fmt.Fprintf(s, "%s/%s", HBin(v.Used, 1), HBin(v.Total, 1))
if percent {
fmt.Fprint(s, " ")
}
}
if percent {
fmt.Fprintf(s, "%.0f%%", v.UsedPercent)
}
fmt.Fprint(s, "]")
return s.String(), nil
}

81
statusline.go
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@ -6,63 +6,22 @@ import (
"os"
"time"
"github.com/shirou/gopsutil/v3/mem"
"go.fanir.de/statusline/config"
"go.fanir.de/statusline/cpu"
"go.fanir.de/statusline/mem"
)
type Format struct {
Default, Warning string
}
var defaultFormat = Format{}
var tmuxFormat = Format{Default: "#[default]", Warning: "#[bg=colour208]"}
var binarySuffixes = []string{"B", "KiB", "MiB", "GiB", "TiB"}
const binaryFactor = 1024
func HBin(a uint64, precision int) string {
f := float64(a)
var suffix string
for _, suffix = range binarySuffixes {
if f < binaryFactor {
break
}
f /= binaryFactor
}
return fmt.Sprintf("%.*f%s", precision, f, suffix)
}
func printMem(format Format, absolute, percent bool) {
if !(absolute || percent) {
return
}
v, err := mem.VirtualMemory()
func Print(s string, err error) {
if err != nil {
panic(err) //fixme
panic(err) // FIXME
}
if v.UsedPercent > 90 {
fmt.Print(format.Warning, "[")
} else {
fmt.Print(format.Default, "[")
}
if absolute {
fmt.Printf("%s/%s", HBin(v.Used, 1), HBin(v.Total, 1))
if percent {
fmt.Print(" ")
}
}
if percent {
fmt.Printf("%.0f%%", v.UsedPercent)
}
fmt.Print("]")
fmt.Print(s)
}
func printTime(format Format, timeFormat string) {
func Time(format config.Format, timeFormat string) string {
now := time.Now()
fmt.Print(format.Default, now.Format(timeFormat))
return fmt.Sprint(format.Default, now.Format(timeFormat))
}
func main() {
@ -70,11 +29,11 @@ func main() {
mode := flag.String("style", "none", "Include style directives in output. Valid values: none tmux")
flag.Parse()
format := defaultFormat
format := config.DefaultFormat
switch *mode {
case "", "none":
case "tmux":
format = tmuxFormat
format = config.TmuxFormat
default:
fmt.Fprintf(os.Stderr, "Usage of %s:\n", os.Args[0])
flag.PrintDefaults()
@ -82,18 +41,18 @@ func main() {
}
if *cols == 0 || *cols >= 150 {
printLoad(format, 2)
printMem(format, true, true)
printTime(format, " Mon 2006-01-02 15:04")
Print(cpu.Load(format, 2))
Print(mem.Mem(format, true, true))
fmt.Print(Time(format, " Mon 2006-01-02 15:04"))
} else if *cols >= 120 {
printLoad(format, 2)
printMem(format, false, true)
printTime(format, " 15:04")
Print(cpu.Load(format, 2))
Print(mem.Mem(format, false, true))
fmt.Print(Time(format, " 15:04"))
} else if *cols >= 100 {
printLoad(format, 0)
printMem(format, false, true)
printTime(format, " 15:04")
Print(cpu.Load(format, 0))
Print(mem.Mem(format, false, true))
fmt.Print(Time(format, " 15:04"))
} else if *cols >= 80 {
printTime(format, "15:04")
fmt.Print(Time(format, "15:04"))
}
}