62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
package perfdata // import nocternity.net/gomonop/pkg/perfdata
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// Performance data range.
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type PDRange struct {
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start string
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end string
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inside bool
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}
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// Creates a performance data range from -inf to 0 and from the specified
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// value to +inf.
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func PDRMax(max string) *PDRange {
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if !valueCheck.MatchString(max) {
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panic("invalid performance data range maximum value")
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}
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pdRange := &PDRange{}
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pdRange.start = "0"
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pdRange.end = max
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return pdRange
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}
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// Creates a performance data range from -inf to the specified minimal value
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// and from the specified maximal value to +inf.
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func PDRMinMax(min, max string) *PDRange {
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if !valueCheck.MatchString(max) {
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panic("invalid performance data range maximum value")
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}
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if !rangeMinCheck.MatchString(min) {
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panic("invalid performance data range minimum value")
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}
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pdRange := &PDRange{}
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pdRange.start = min
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pdRange.end = max
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return pdRange
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}
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// Inverts the range.
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func (r *PDRange) Inside() *PDRange {
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r.inside = true
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return r
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}
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// Generates the range's string representation so it can be sent to the
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// monitoring system.
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func (r *PDRange) String() string {
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var start, inside string
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switch r.start {
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case "":
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start = "~"
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case "0":
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start = ""
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default:
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start = r.start
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}
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if r.inside {
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inside = "@"
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}
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return inside + start + ":" + r.end
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}
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