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initial commit

master
fanir 10 months ago
commit
ccf383db09
  1. 10
      Makefile
  2. 5
      go.mod
  3. 19
      go.sum
  4. 108
      statusline.go

10
Makefile

@ -0,0 +1,10 @@
all: build
build: statusline.go
go build statusline.go
run:
go run statusline.go
install:
go build -o ~/bin/statusline statusline.go

5
go.mod

@ -0,0 +1,5 @@
module go.fanir.de/statusline
go 1.15
require github.com/shirou/gopsutil/v3 v3.20.10

19
go.sum

@ -0,0 +1,19 @@
github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8=
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
github.com/shirou/gopsutil/v3 v3.20.10 h1:7zomV9HJv6UGk225YtvEa5+camNLpbua3MAz/GqiVJY=
github.com/shirou/gopsutil/v3 v3.20.10/go.mod h1:igHnfak0qnw1biGeI2qKQvu0ZkwvEkUcCLlYhZzdr/4=
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0=
github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
golang.org/x/sys v0.0.0-20201024232916-9f70ab9862d5 h1:iCaAy5bMeEvwANu3YnJfWwI0kWAGkEa2RXPdweI/ysk=
golang.org/x/sys v0.0.0-20201024232916-9f70ab9862d5/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

108
statusline.go

@ -0,0 +1,108 @@
package main
import (
"fmt"
"os"
"runtime"
"strconv"
"time"
"github.com/shirou/gopsutil/v3/load"
"github.com/shirou/gopsutil/v3/mem"
)
const warnFormat = "#[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 usage() {
fmt.Fprintln(os.Stderr, "Usage:", os.Args[0], "<window_width>")
os.Exit(2)
}
func printLoad(precision int) {
l, err := load.Avg()
if err != nil {
panic(err) // fixme
}
if l.Load1 > float64(runtime.NumCPU()) {
fmt.Print(warnFormat)
}
fmt.Printf("[%.[1]*[2]f %.[1]*[3]f %.[1]*[4]f]",
precision, l.Load1, l.Load5, l.Load15)
}
func printMem(absolute, percent bool) {
if !(absolute || percent) {
return
}
v, err := mem.VirtualMemory()
if err != nil {
panic(err) //fixme
}
if v.UsedPercent > 90 {
fmt.Print(warnFormat, "[")
} else {
fmt.Print("#[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("]")
}
func printTime(format string) {
now := time.Now()
fmt.Print(now.Format("#[default]" + format))
}
func main() {
if len(os.Args) != 2 {
usage()
}
cols, err := strconv.Atoi(os.Args[1])
if err != nil {
fmt.Fprintln(os.Stderr, err)
usage()
}
if cols >= 150 {
printLoad(2)
printMem(true, true)
printTime(" Mon 2006-01-02 15:04")
} else if cols >= 120 {
printLoad(2)
printMem(false, true)
printTime(" 15:04")
} else if cols >= 100 {
printLoad(0)
printMem(false, true)
printTime(" 15:04")
} else if cols >= 80 {
printTime("15:04")
}
}
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