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package recordline
import (
"strconv"
"strings"
)
// Fields holds the values parsed from a single uptimed record line.
type Fields struct {
Uptime uint64
BootTime uint64
OS string
KernelName string
KernelMajor string
}
// Parse parses one non-empty line of the form "uptime:boottime:os..." from an
// uptimed .records file. It returns false if the line is empty or malformed.
func Parse(line string) (Fields, bool) {
line = strings.TrimSpace(line)
if line == "" {
return Fields{}, false
}
parts := strings.SplitN(line, ":", 3)
if len(parts) != 3 {
return Fields{}, false
}
uptime, err := strconv.ParseUint(parts[0], 10, 64)
if err != nil {
return Fields{}, false
}
bootTime, err := strconv.ParseUint(parts[1], 10, 64)
if err != nil {
return Fields{}, false
}
osStr := parts[2]
kernelName := osStr
if i := strings.Index(osStr, " "); i > 0 {
kernelName = osStr[:i]
}
kernelMajor := kernelName + " "
rest := osStr
if i := strings.Index(osStr, " "); i >= 0 {
rest = osStr[i+1:]
}
if j := strings.Index(rest, "."); j >= 0 {
kernelMajor += rest[:j] + "..."
} else {
kernelMajor += rest + "..."
}
return Fields{
Uptime: uptime,
BootTime: bootTime,
OS: osStr,
KernelName: kernelName,
KernelMajor: kernelMajor,
}, true
}
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