refactor(pkg): split perfdata across multiple files

pkg/perfdata/internals.go

@@ -0,0 +1,25 @@
+package perfdata // import nocternity.net/gomonop/pkg/perfdata
+
+import (
+	"regexp"
+)
+
+// Flags indicating which elements of performance data have been set.
+type perfDataBits int
+
+const (
+	PDatWarn perfDataBits = 1 << iota
+	PDatCrit
+	PDatMin
+	PDatMax
+)
+
+// Regexps used to check values and ranges in performance data records.
+var (
+	// Common value check regexp.
+	vcRegexp = `^-?(0(\.\d*)?|[1-9]\d*(\.\d*)?|\.\d+)$`
+	// Compiled value check regexp.
+	valueCheck = regexp.MustCompile(vcRegexp)
+	// Compiled range min value check.
+	rangeMinCheck = regexp.MustCompile(vcRegexp + `|^~$`)
+)

pkg/perfdata/perfdata.go

@@ -4,110 +4,9 @@ package perfdata // import nocternity.net/gomonop/pkg/perfdata
 
 import (
 	"fmt"
-	"regexp"
 	"strings"
 )
 
-// Units of measurement, which may be used to qualify the performance data.
-type UnitOfMeasurement int
-
-const (
-	UomNone UnitOfMeasurement = iota
-	UomSeconds
-	UomPercent
-	UomBytes
-	UomKilobytes
-	UomMegabytes
-	UomGigabytes
-	UomTerabytes
-	UomCounter
-)
-
-func (u UnitOfMeasurement) String() string {
-	return [...]string{"", "s", "%", "B", "KB", "MB", "GB", "TB", "c"}[u]
-}
-
-// Flags indicating which elements of performance data have been set.
-type perfDataBits int
-
-const (
-	PDatWarn perfDataBits = 1 << iota
-	PDatCrit
-	PDatMin
-	PDatMax
-)
-
-// Regexps used to check values and ranges in performance data records.
-var (
-	// Common value check regexp.
-	vcRegexp = `^-?(0(\.\d*)?|[1-9]\d*(\.\d*)?|\.\d+)$`
-	// Compiled value check regexp.
-	valueCheck = regexp.MustCompile(vcRegexp)
-	// Compiled range min value check.
-	rangeMinCheck = regexp.MustCompile(vcRegexp + `|^~$`)
-)
-
-// Performance data range.
-type PDRange struct {
-	start  string
-	end    string
-	inside bool
-}
-
-// Creates a performance data range from -inf to 0 and from the specified
-// value to +inf.
-func PDRMax(max string) *PDRange {
-	if !valueCheck.MatchString(max) {
-		panic("invalid performance data range maximum value")
-	}
-	pdRange := &PDRange{}
-	pdRange.start = "0"
-	pdRange.end = max
-	return pdRange
-}
-
-// Creates a performance data range from -inf to the specified minimal value
-// and from the specified maximal value to +inf.
-func PDRMinMax(min, max string) *PDRange {
-	if !valueCheck.MatchString(max) {
-		panic("invalid performance data range maximum value")
-	}
-	if !rangeMinCheck.MatchString(min) {
-		panic("invalid performance data range minimum value")
-	}
-	pdRange := &PDRange{}
-	pdRange.start = min
-	pdRange.end = max
-	return pdRange
-}
-
-// Inverts the range.
-func (r *PDRange) Inside() *PDRange {
-	r.inside = true
-	return r
-}
-
-// Generates the range's string representation so it can be sent to the
-// monitoring system.
-func (r *PDRange) String() string {
-	var start, inside string
-
-	switch r.start {
-	case "":
-		start = "~"
-	case "0":
-		start = ""
-	default:
-		start = r.start
-	}
-
-	if r.inside {
-		inside = "@"
-	}
-
-	return inside + start + ":" + r.end
-}
-
 // Performance data, including a label, units, a value, warning/critical
 // ranges and min/max boundaries.
 type PerfData struct {

pkg/perfdata/range.go

@@ -0,0 +1,62 @@
+package perfdata // import nocternity.net/gomonop/pkg/perfdata
+
+// Performance data range.
+type PDRange struct {
+	start  string
+	end    string
+	inside bool
+}
+
+// Creates a performance data range from -inf to 0 and from the specified
+// value to +inf.
+func PDRMax(max string) *PDRange {
+	if !valueCheck.MatchString(max) {
+		panic("invalid performance data range maximum value")
+	}
+	pdRange := &PDRange{}
+	pdRange.start = "0"
+	pdRange.end = max
+	return pdRange
+}
+
+// Creates a performance data range from -inf to the specified minimal value
+// and from the specified maximal value to +inf.
+func PDRMinMax(min, max string) *PDRange {
+	if !valueCheck.MatchString(max) {
+		panic("invalid performance data range maximum value")
+	}
+	if !rangeMinCheck.MatchString(min) {
+		panic("invalid performance data range minimum value")
+	}
+	pdRange := &PDRange{}
+	pdRange.start = min
+	pdRange.end = max
+	return pdRange
+}
+
+// Inverts the range.
+func (r *PDRange) Inside() *PDRange {
+	r.inside = true
+	return r
+}
+
+// Generates the range's string representation so it can be sent to the
+// monitoring system.
+func (r *PDRange) String() string {
+	var start, inside string
+
+	switch r.start {
+	case "":
+		start = "~"
+	case "0":
+		start = ""
+	default:
+		start = r.start
+	}
+
+	if r.inside {
+		inside = "@"
+	}
+
+	return inside + start + ":" + r.end
+}

pkg/perfdata/units.go

@@ -0,0 +1,20 @@
+package perfdata // import nocternity.net/gomonop/pkg/perfdata
+
+// Units of measurement, which may be used to qualify the performance data.
+type UnitOfMeasurement int
+
+const (
+	UomNone UnitOfMeasurement = iota
+	UomSeconds
+	UomPercent
+	UomBytes
+	UomKilobytes
+	UomMegabytes
+	UomGigabytes
+	UomTerabytes
+	UomCounter
+)
+
+func (u UnitOfMeasurement) String() string {
+	return [...]string{"", "s", "%", "B", "KB", "MB", "GB", "TB", "c"}[u]
+}