service_matcher-go/lpd/lpd.go

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package lpd
import (
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osm "git.loafle.net/overflow/service_matcher-go"
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)
type LPDMatcher struct {
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osm.Matchers
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}
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func (m *LPDMatcher) Key() string {
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return "LPD"
}
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func (m *LPDMatcher) Name(matchCtx *osm.MatchCtx) string {
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return "LPD (Printer)"
}
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func (m *LPDMatcher) IsPrePacket(matchCtx *osm.MatchCtx) bool {
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return false
}
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func (m *LPDMatcher) HasResponse(matchCtx *osm.MatchCtx, index int) bool {
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return true
}
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func (m *LPDMatcher) IsError(matchCtx *osm.MatchCtx, index int, packet *osm.Packet) bool {
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return false
}
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func (m *LPDMatcher) Match(matchCtx *osm.MatchCtx, index int, packet *osm.Packet) error {
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if packet == nil || !packet.Valid() {
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return osm.NoPacketReceivedError()
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}
if packet.Len != 1 {
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return osm.NotMatchedError()
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}
return nil
}
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func NewMatcher() osm.Matcher {
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m := &LPDMatcher{}
reqStr := "GET / HTTP/1.1\r\n\r\n"
rbyte := make([]byte, len(reqStr))
copy(rbyte[:], reqStr)
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m.AddPacket(osm.NewPacket(rbyte, len(reqStr)))
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return m
}