49 lines
998 B
Go
49 lines
998 B
Go
package parser
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import (
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"bufio"
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"bytes"
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"regexp"
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"strings"
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"github.com/czerwonk/bird_exporter/protocol"
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)
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var (
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bgpStateRegex *regexp.Regexp
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)
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type bgpStateContext struct {
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line string
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current *protocol.BgpState
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}
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func init() {
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bgpStateRegex = regexp.MustCompile(`^(?:1002\-)?([^\s]+)\s+(MRT|BGP|BFD|OSPF|RPKI|RIP|RAdv|Pipe|Perf|Direct|Babel|Device|Kernel|Static)\s+([^\s]+)\s+([^\s]+)\s+(\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}|[^\s]+)\s+(Idle|Connect|Active|OpenSent|OpenConfirm|Established|Close)(?:\s+(.*?))?$`)
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}
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func ParseBgpState(data []byte) *protocol.BgpState {
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reader := bytes.NewReader(data)
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scanner := bufio.NewScanner(reader)
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c := &bgpStateContext{
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current: nil,
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}
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for scanner.Scan() {
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c.line = strings.TrimRight(scanner.Text(), " ")
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if c.line == "" {
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c.current = nil
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}
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m := bgpStateRegex.FindStringSubmatch(c.line)
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if m != nil {
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s := &protocol.BgpState{Name: m[1]}
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c.current = s
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c.current.State = m[6]
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break
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}
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}
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return c.current
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}
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