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// SPDX-License-Identifier: GPL-3.0-or-later
package megacli
import (
"bufio"
"bytes"
"fmt"
"strings"
)
type megaBBU struct {
adapterNumber string
batteryType string
temperature string
relativeStateOfCharge string
absoluteStateOfCharge string // apparently can be 0 while relative > 0 (e.g. relative 91%, absolute 0%)
cycleCount string
}
func (m *MegaCli) collectBBU(mx map[string]int64) error {
bs, err := m.exec.bbuInfo()
if err != nil {
return err
}
bbus, err := parseBBUInfo(bs)
if err != nil {
return err
}
for _, bbu := range bbus {
if !m.bbu[bbu.adapterNumber] {
m.bbu[bbu.adapterNumber] = true
m.addBBUCharts(bbu)
}
px := fmt.Sprintf("bbu_adapter_%s_", bbu.adapterNumber)
writeInt(mx, px+"temperature", bbu.temperature)
writeInt(mx, px+"relative_state_of_charge", bbu.relativeStateOfCharge)
writeInt(mx, px+"absolute_state_of_charge", bbu.absoluteStateOfCharge)
writeInt(mx, px+"cycle_count", bbu.cycleCount)
}
return nil
}
func parseBBUInfo(bs []byte) (map[string]*megaBBU, error) {
bbus := make(map[string]*megaBBU)
var section string
var bbu *megaBBU
sc := bufio.NewScanner(bytes.NewReader(bs))
for sc.Scan() {
line := strings.TrimSpace(sc.Text())
switch {
case strings.HasPrefix(line, "BBU status for Adapter"):
section = "status"
ad := getColonSepValue(line)
if _, ok := bbus[ad]; !ok {
bbu = &megaBBU{adapterNumber: ad}
bbus[ad] = bbu
}
continue
case strings.HasPrefix(line, "BBU Capacity Info for Adapter"):
section = "capacity"
continue
case strings.HasPrefix(line, "BBU Firmware Status"),
strings.HasPrefix(line, "BBU GasGauge Status"),
strings.HasPrefix(line, "BBU Design Info for Adapter"),
strings.HasPrefix(line, "BBU Properties for Adapter"):
section = ""
continue
}
if bbu == nil {
continue
}
switch section {
case "status":
switch {
case strings.HasPrefix(line, "BatteryType:"):
bbu.batteryType = getColonSepValue(line)
case strings.HasPrefix(line, "Temperature:"):
bbu.temperature = getColonSepNumValue(line)
}
case "capacity":
switch {
case strings.HasPrefix(line, "Relative State of Charge:"):
bbu.relativeStateOfCharge = getColonSepNumValue(line)
case strings.HasPrefix(line, "Absolute State of charge:"):
bbu.absoluteStateOfCharge = getColonSepNumValue(line)
case strings.HasPrefix(line, "Cycle Count:"):
bbu.cycleCount = getColonSepNumValue(line)
}
}
}
return bbus, nil
}
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