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Chore: split enhanced mode instance (#936)

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Co-authored-by: Dreamacro <305009791@qq.com>
This commit is contained in:
Kr328
2020-09-17 10:48:42 +08:00
committed by GitHub
parent e773f95f21
commit 558ac6b965
8 changed files with 228 additions and 113 deletions
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25
hub/executor/executor.go
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@ -103,11 +103,12 @@ func updateExperimental(c *config.Config) {}
func updateDNS(c *config.DNS) {
if !c.Enable {
resolver.DefaultResolver = nil
tunnel.SetResolver(nil)
dns.ReCreateServer("", nil)
resolver.DefaultHostMapper = nil
dns.ReCreateServer("", nil, nil)
return
}
r := dns.New(dns.Config{
cfg := dns.Config{
Main: c.NameServer,
Fallback: c.Fallback,
IPv6: c.IPv6,
@ -119,18 +120,20 @@ func updateDNS(c *config.DNS) {
IPCIDR: c.FallbackFilter.IPCIDR,
},
Default: c.DefaultNameserver,
})
}
// reuse cache of old resolver
if resolver.DefaultResolver != nil {
if o, ok := resolver.DefaultResolver.(*dns.Resolver); ok {
o.PatchCache(r)
}
r := dns.NewResolver(cfg)
m := dns.NewEnhancer(cfg)
// reuse cache of old host mapper
if old := resolver.DefaultHostMapper; old != nil {
m.PatchFrom(old.(*dns.ResolverEnhancer))
}
resolver.DefaultResolver = r
tunnel.SetResolver(r)
if err := dns.ReCreateServer(c.Listen, r); err != nil {
resolver.DefaultHostMapper = m
if err := dns.ReCreateServer(c.Listen, r, m); err != nil {
log.Errorln("Start DNS server error: %s", err.Error())
return
}