98 lines
1.9 KiB
Go
98 lines
1.9 KiB
Go
package sysdig
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import (
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"encoding/csv"
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"fmt"
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"io"
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"log"
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"net"
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"strconv"
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"strings"
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)
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const (
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RX = iota
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TX
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)
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type Record struct {
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Host, Container, Process string
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Pid, Tid uint64
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Proto string
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ServerIp net.IP
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ServerPort uint16
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ClientIp net.IP
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ClientPort uint16
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Direction int
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Bytes uint64
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}
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func ParseOutput(result string) ([]Record, error) {
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r := csv.NewReader(strings.NewReader(result))
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r.Comma = '\t'
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var records []Record
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for {
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record, err := r.Read()
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if err == io.EOF {
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break
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}
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if err != nil {
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log.Fatal(err)
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}
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if record[0] == "host" {
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continue
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}
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pid, err := strconv.ParseUint(record[3], 10, 64)
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if err != nil {
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return nil, fmt.Errorf("invalid pid %s: %v", record[2], err)
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}
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tid, err := strconv.ParseUint(record[4], 10, 64)
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if err != nil {
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return nil, fmt.Errorf("invalid tid %s: %v", record[3], err)
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}
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sip := net.ParseIP(record[6])
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if sip == nil {
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return nil, fmt.Errorf("invalid ip '%s'", record[6])
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}
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sport, err := strconv.ParseUint(record[7], 10, 16)
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if err != nil {
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return nil, fmt.Errorf("invalid port %s: %v", record[7], err)
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}
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cip := net.ParseIP(record[8])
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if cip == nil {
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return nil, fmt.Errorf("invalid ip '%s'", record[8])
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}
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cport, err := strconv.ParseUint(record[9], 10, 16)
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if err != nil {
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return nil, fmt.Errorf("invalid port %s: %v", record[9], err)
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}
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var direction int
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if record[10] == "rx" {
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direction = RX
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} else {
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direction = TX
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}
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bytes, err := strconv.ParseUint(record[11], 10, 64)
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if err != nil {
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return nil, fmt.Errorf("invalid transmission size %s: %v", record[11], err)
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}
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records = append(records, Record{
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record[0],
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record[1],
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record[2],
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pid,
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tid,
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record[5],
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sip,
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uint16(sport),
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cip,
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uint16(cport),
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direction,
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bytes,
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})
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}
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return records, nil
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}
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