func parseNetFile()

in providers/linux/procnet.go [82:104]

• 20 lines of code
• 6 McCabe index (conditional complexity)

func parseNetFile(body string) (map[string]map[string]uint64, error) {
	fileMetrics := make(map[string]map[string]uint64)
	bodySplit := strings.Split(strings.TrimSpace(body), "\n")
	// There should be an even number of lines. If not, something is wrong.
	if len(bodySplit)%2 != 0 {
		return nil, fmt.Errorf("badly parsed body: %s", body)
	}
	// in the network counters, data is divided into two-line sections: a line of keys, and a line of values
	// With each line
	for index := 0; index < len(bodySplit); index += 2 {
		keysSplit := strings.Split(bodySplit[index], ":")
		valuesSplit := strings.Split(bodySplit[index+1], ":")
		if len(keysSplit) != 2 || len(valuesSplit) != 2 {
			return nil, fmt.Errorf("wrong number of keys: %#v", keysSplit)
		}
		valMap, err := parseEntry(keysSplit[1], valuesSplit[1])
		if err != nil {
			return nil, fmt.Errorf("error parsing lines: %w", err)
		}
		fileMetrics[valuesSplit[0]] = valMap
	}
	return fileMetrics, nil
}