70 lines
1.1 KiB
Go
70 lines
1.1 KiB
Go
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package redis
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import (
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"strings"
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"git.loafle.net/overflow/overflow_discovery/service/matcher"
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)
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const REDIS_PING string = "*1\r\n$4\r\nping\r\n"
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type RedisMatcher struct {
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matcher.Matchers
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}
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func (t *RedisMatcher) ServiceName() string {
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return "Redis"
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}
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func (t *RedisMatcher) IsPrePacket() bool {
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return false
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}
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func (t *RedisMatcher) HasResponse(index int) bool {
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return true
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}
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func (t *RedisMatcher) IsError(info matcher.MatchInfo, index int, packet *matcher.Packet) bool {
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return false
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}
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func (t *RedisMatcher) Match(info matcher.MatchInfo, index int, packet *matcher.Packet) bool {
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if packet == nil {
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return false
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}
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resp := strings.Split(string(packet.Buffer), "\r\n")[0]
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if len(resp) <= 0 {
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return false
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}
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sign := string([]rune(resp)[0])
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if len(sign) <= 0 {
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return false
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}
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if sign == "+" {
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if resp == "+PONG" || resp == "+OK" {
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return true
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}
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}
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if sign == "-" {
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if resp == "-NOAUTH" || resp == "-ERR" {
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return true
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}
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}
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return false
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}
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func NewMatcher() matcher.Matcher {
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m := &RedisMatcher{}
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m.AddPacket(matcher.NewPacket([]byte(REDIS_PING), len(REDIS_PING)))
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return m
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}
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