mirror of
https://github.com/ClusterCockpit/cc-backend
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135 lines
2.6 KiB
Go
135 lines
2.6 KiB
Go
package units
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import "regexp"
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type Measure int
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const (
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InvalidMeasure Measure = iota
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Bytes
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Flops
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Percentage
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TemperatureC
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TemperatureF
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Rotation
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Frequency
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Time
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Watt
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Joule
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Cycles
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Requests
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Packets
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Events
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)
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type MeasureData struct {
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Long string
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Short string
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Regex string
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}
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// Different names and regex used for input and output
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var InvalidMeasureLong string = "Invalid"
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var InvalidMeasureShort string = "inval"
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var MeasuresMap map[Measure]MeasureData = map[Measure]MeasureData{
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Bytes: {
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Long: "byte",
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Short: "B",
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Regex: "^([bB][yY]?[tT]?[eE]?[sS]?)",
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},
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Flops: {
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Long: "Flops",
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Short: "Flops",
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Regex: "^([fF][lL]?[oO]?[pP]?[sS]?)",
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},
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Percentage: {
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Long: "Percent",
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Short: "%",
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Regex: "^(%|[pP]ercent)",
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},
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TemperatureC: {
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Long: "DegreeC",
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Short: "degC",
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Regex: "^(deg[Cc]|°[cC])",
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},
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TemperatureF: {
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Long: "DegreeF",
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Short: "degF",
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Regex: "^(deg[fF]|°[fF])",
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},
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Rotation: {
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Long: "RPM",
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Short: "RPM",
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Regex: "^([rR][pP][mM])",
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},
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Frequency: {
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Long: "Hertz",
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Short: "Hz",
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Regex: "^([hH][eE]?[rR]?[tT]?[zZ])",
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},
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Time: {
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Long: "Seconds",
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Short: "s",
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Regex: "^([sS][eE]?[cC]?[oO]?[nN]?[dD]?[sS]?)",
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},
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Cycles: {
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Long: "Cycles",
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Short: "cyc",
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Regex: "^([cC][yY][cC]?[lL]?[eE]?[sS]?)",
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},
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Watt: {
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Long: "Watts",
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Short: "W",
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Regex: "^([wW][aA]?[tT]?[tT]?[sS]?)",
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},
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Joule: {
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Long: "Joules",
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Short: "J",
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Regex: "^([jJ][oO]?[uU]?[lL]?[eE]?[sS]?)",
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},
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Requests: {
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Long: "Requests",
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Short: "requests",
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Regex: "^([rR][eE][qQ][uU]?[eE]?[sS]?[tT]?[sS]?)",
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},
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Packets: {
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Long: "Packets",
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Short: "packets",
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Regex: "^([pP][aA]?[cC]?[kK][eE]?[tT][sS]?)",
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},
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Events: {
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Long: "Events",
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Short: "events",
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Regex: "^([eE][vV]?[eE]?[nN][tT][sS]?)",
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},
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}
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// String returns the long string for the measure like 'Percent' or 'Seconds'
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func (m *Measure) String() string {
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if data, ok := MeasuresMap[*m]; ok {
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return data.Long
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}
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return InvalidMeasureLong
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}
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// Short returns the short string for the measure like 'B' (Bytes), 's' (Time) or 'W' (Watt). Is is recommened to use Short() over String().
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func (m *Measure) Short() string {
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if data, ok := MeasuresMap[*m]; ok {
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return data.Short
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}
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return InvalidMeasureShort
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}
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// NewMeasure creates a new measure out of a string representing a measure like 'Bytes', 'Flops' and 'precent'.
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// It uses regular expressions for matching.
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func NewMeasure(unit string) Measure {
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for m, data := range MeasuresMap {
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regex := regexp.MustCompile(data.Regex)
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match := regex.FindStringSubmatch(unit)
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if match != nil {
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return m
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}
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}
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return InvalidMeasure
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}
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