mirror of
https://codeberg.org/frosty/modbot.git
synced 2024-09-19 11:46:34 -04:00
97 lines
2.4 KiB
Go
97 lines
2.4 KiB
Go
// modbot is a system information agregator
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// Copyright (C) 2024 frosty <inthishouseofcards@gmail.com>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package readers
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import (
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"bufio"
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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const (
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SecondsInMinute = 60
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SecondsInHour = 3600
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SecondsInDay = 86400
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)
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type UptimeInfo uint64
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func (u UptimeInfo) Days() int {
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return int(u) / SecondsInDay
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}
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func (u UptimeInfo) Hours() int {
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return (int(u) % SecondsInDay) / SecondsInHour
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}
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func (u UptimeInfo) Minutes() int {
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return (int(u) % SecondsInHour) / SecondsInMinute
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}
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func (u UptimeInfo) Seconds() int {
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return int(u) % SecondsInMinute
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}
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func (u UptimeInfo) String() string {
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var builder strings.Builder
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if u.Days() > 0 {
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builder.WriteString(fmt.Sprintf("%d days, ", u.Days()))
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}
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if u.Hours() > 0 {
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builder.WriteString(fmt.Sprintf("%d hours, ", u.Hours()))
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}
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if u.Minutes() > 0 {
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builder.WriteString(fmt.Sprintf("%d minutes, ", u.Minutes()))
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}
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builder.WriteString(fmt.Sprintf("%d seconds", u.Seconds()))
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return builder.String()
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}
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func ReadUptime() func() (interface{}, error) {
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return func() (interface{}, error) {
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const uptimePath = "/proc/uptime"
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file, err := os.Open(uptimePath)
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if err != nil {
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return 0, fmt.Errorf("failed to open %s: %w", uptimePath, err)
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}
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defer file.Close()
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scanner := bufio.NewScanner(file)
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if !scanner.Scan() {
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return 0, fmt.Errorf("failed to read from %s: %w", uptimePath, scanner.Err())
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}
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line := scanner.Text()
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fields := strings.SplitN(line, ".", 2)
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if len(fields) < 1 {
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return 0, fmt.Errorf("unexpected format in %s: %s", uptimePath, line)
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}
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uptime, err := strconv.ParseUint(fields[0], 10, 64)
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if err != nil {
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return 0, fmt.Errorf("failed to parse uptime from %s: %w", uptimePath, err)
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}
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return UptimeInfo(uptime), nil
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}
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}
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