parseLine parses a single line from the /proc/net/dev file. Header lines must be filtered prior to calling this method.
(rawLine string)
| 87 | // parseLine parses a single line from the /proc/net/dev file. Header lines |
| 88 | // must be filtered prior to calling this method. |
| 89 | func (netDev NetDev) parseLine(rawLine string) (*NetDevLine, error) { |
| 90 | idx := strings.LastIndex(rawLine, ":") |
| 91 | if idx == -1 { |
| 92 | return nil, errors.New("invalid net/dev line, missing colon") |
| 93 | } |
| 94 | fields := strings.Fields(strings.TrimSpace(rawLine[idx+1:])) |
| 95 | |
| 96 | var err error |
| 97 | line := &NetDevLine{} |
| 98 | |
| 99 | // Interface Name |
| 100 | line.Name = strings.TrimSpace(rawLine[:idx]) |
| 101 | if line.Name == "" { |
| 102 | return nil, errors.New("invalid net/dev line, empty interface name") |
| 103 | } |
| 104 | |
| 105 | // RX |
| 106 | line.RxBytes, err = strconv.ParseUint(fields[0], 10, 64) |
| 107 | if err != nil { |
| 108 | return nil, err |
| 109 | } |
| 110 | line.RxPackets, err = strconv.ParseUint(fields[1], 10, 64) |
| 111 | if err != nil { |
| 112 | return nil, err |
| 113 | } |
| 114 | line.RxErrors, err = strconv.ParseUint(fields[2], 10, 64) |
| 115 | if err != nil { |
| 116 | return nil, err |
| 117 | } |
| 118 | line.RxDropped, err = strconv.ParseUint(fields[3], 10, 64) |
| 119 | if err != nil { |
| 120 | return nil, err |
| 121 | } |
| 122 | line.RxFIFO, err = strconv.ParseUint(fields[4], 10, 64) |
| 123 | if err != nil { |
| 124 | return nil, err |
| 125 | } |
| 126 | line.RxFrame, err = strconv.ParseUint(fields[5], 10, 64) |
| 127 | if err != nil { |
| 128 | return nil, err |
| 129 | } |
| 130 | line.RxCompressed, err = strconv.ParseUint(fields[6], 10, 64) |
| 131 | if err != nil { |
| 132 | return nil, err |
| 133 | } |
| 134 | line.RxMulticast, err = strconv.ParseUint(fields[7], 10, 64) |
| 135 | if err != nil { |
| 136 | return nil, err |
| 137 | } |
| 138 | |
| 139 | // TX |
| 140 | line.TxBytes, err = strconv.ParseUint(fields[8], 10, 64) |
| 141 | if err != nil { |
| 142 | return nil, err |
| 143 | } |
| 144 | line.TxPackets, err = strconv.ParseUint(fields[9], 10, 64) |
| 145 | if err != nil { |
| 146 | return nil, err |
no outgoing calls