135 lines
2.4 KiB
Go
135 lines
2.4 KiB
Go
package gopow
|
|
|
|
import (
|
|
"strconv"
|
|
"strings"
|
|
"time"
|
|
|
|
log "github.com/Sirupsen/logrus"
|
|
)
|
|
|
|
type LineComplex struct {
|
|
Time *time.Time
|
|
Hash string // a unique hash for this line in time
|
|
|
|
HzLow float64
|
|
HzHigh float64
|
|
HzStep float64
|
|
SampleCount int
|
|
|
|
Samples []float64
|
|
}
|
|
|
|
type LineSort []*LineComplex
|
|
|
|
func (a LineSort) Len() int {
|
|
return len(a)
|
|
}
|
|
|
|
func (a LineSort) Swap(i, j int) {
|
|
a[i], a[j] = a[j], a[i]
|
|
}
|
|
|
|
func (a LineSort) Less(i, j int) bool {
|
|
if a[i].Time == nil {
|
|
return false
|
|
}
|
|
|
|
if a[j].Time == nil {
|
|
return true
|
|
}
|
|
|
|
return a[i].Time.Unix() < a[j].Time.Unix()
|
|
}
|
|
|
|
func NewLineComplex(cells []string) *LineComplex {
|
|
|
|
// bail early if there is something wrong with the line
|
|
if len(cells) < 7 {
|
|
return &LineComplex{}
|
|
}
|
|
|
|
date := cells[0]
|
|
clock := cells[1]
|
|
|
|
const format = "2006-01-02 15:04:05"
|
|
datetime, err := time.Parse(format, date+clock)
|
|
if err != nil {
|
|
log.WithFields(log.Fields{
|
|
"error": err,
|
|
"string": date + clock,
|
|
}).Fatal("date parsing failure")
|
|
}
|
|
|
|
hzLow, _ := strconv.ParseFloat(strings.Trim(cells[2], " "), 64)
|
|
hzHigh, _ := strconv.ParseFloat(strings.Trim(cells[3], " "), 64)
|
|
hzStep, _ := strconv.ParseFloat(strings.Trim(cells[3], " "), 64)
|
|
sc, _ := strconv.ParseInt(strings.Trim(cells[4], " "), 10, 64)
|
|
|
|
samples := []float64{}
|
|
for _, s := range cells[6:] {
|
|
sf64, err := strconv.ParseFloat(strings.Trim(s, " "), 64)
|
|
if err != nil {
|
|
samples = append(samples, 0)
|
|
} else {
|
|
samples = append(samples, sf64)
|
|
}
|
|
}
|
|
|
|
return &LineComplex{
|
|
Time: &datetime,
|
|
Hash: cells[0] + cells[1],
|
|
HzLow: hzLow,
|
|
HzHigh: hzHigh,
|
|
HzStep: hzStep,
|
|
SampleCount: int(sc),
|
|
|
|
Samples: samples, // the rest of the cells end up as samples
|
|
}
|
|
}
|
|
|
|
func (l *LineComplex) AddSamples(line *LineComplex) {
|
|
|
|
if line.HzHigh > l.HzHigh {
|
|
l.HzHigh = line.HzHigh
|
|
}
|
|
|
|
if line.HzLow < l.HzLow {
|
|
l.HzLow = line.HzLow
|
|
}
|
|
|
|
if l.Samples == nil {
|
|
l.Samples = []float64{}
|
|
}
|
|
|
|
l.Samples = append(l.Samples, line.Samples...)
|
|
|
|
}
|
|
|
|
func (l *LineComplex) HighSample() float64 {
|
|
|
|
high := float64(-99999)
|
|
for _, sample := range l.Samples {
|
|
if sample > high {
|
|
high = sample
|
|
}
|
|
}
|
|
|
|
return high
|
|
}
|
|
|
|
func (l *LineComplex) LowSample() float64 {
|
|
low := float64(99999)
|
|
for _, sample := range l.Samples {
|
|
if sample < low {
|
|
low = sample
|
|
}
|
|
}
|
|
|
|
return low
|
|
}
|
|
|
|
func (l *LineComplex) Sample(x int) float64 {
|
|
return l.Samples[x]
|
|
}
|