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Fix: fakeip missing host

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This commit is contained in:
Dreamacro
2019-10-11 14:01:16 +08:00
parent 06c9dfdb80
commit 52125a3992
3 changed files with 51 additions and 5 deletions
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20
component/fakeip/pool.go
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@ -22,8 +22,14 @@ type Pool struct {
func (p *Pool) Lookup(host string) net.IP {
p.mux.Lock()
defer p.mux.Unlock()
if ip, exist := p.cache.Get(host); exist {
return ip.(net.IP)
if elm, exist := p.cache.Get(host); exist {
ip := elm.(net.IP)
// ensure ip --> host on head of linked list
n := ipToUint(ip.To4())
offset := n - p.min + 1
p.cache.Get(offset)
return ip
}
ip := p.get(host)
@ -43,8 +49,12 @@ func (p *Pool) LookBack(ip net.IP) (string, bool) {
n := ipToUint(ip.To4())
offset := n - p.min + 1
if host, exist := p.cache.Get(offset); exist {
return host.(string), true
if elm, exist := p.cache.Get(offset); exist {
host := elm.(string)
// ensure host --> ip on head of linked list
p.cache.Get(host)
return host, true
}
return "", false
@ -64,7 +74,7 @@ func (p *Pool) get(host string) net.IP {
break
}
if _, exist := p.cache.Get(p.offset); !exist {
if !p.cache.Exist(p.offset) {
break
}
}