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use maxDialCacheSize constant

This commit is contained in:
Simon Zolin 2019-05-15 12:03:20 +03:00
parent b3461d37ca
commit d918e5b418
1 changed files with 2 additions and 1 deletions
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3
dnsfilter/dnsfilter.go
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@ -33,6 +33,7 @@ const defaultSafebrowsingServer = "sb.adtidy.org"
const defaultSafebrowsingURL = "http://%s/safebrowsing-lookup-hash.html?prefixes=%s" const defaultSafebrowsingURL = "http://%s/safebrowsing-lookup-hash.html?prefixes=%s"
const defaultParentalServer = "pctrl.adguard.com" const defaultParentalServer = "pctrl.adguard.com"
const defaultParentalURL = "http://%s/check-parental-control-hash?prefixes=%s&sensitivity=%d" const defaultParentalURL = "http://%s/check-parental-control-hash?prefixes=%s&sensitivity=%d"
const maxDialCacheSize = 2 // the number of host names for safebrowsing and parental control
// ErrInvalidSyntax is returned by AddRule when the rule is invalid // ErrInvalidSyntax is returned by AddRule when the rule is invalid
var ErrInvalidSyntax = errors.New("dnsfilter: invalid rule syntax") var ErrInvalidSyntax = errors.New("dnsfilter: invalid rule syntax")
@ -1076,7 +1077,7 @@ func New(c *Config) *Dnsfilter {
ExpectContinueTimeout: 1 * time.Second, ExpectContinueTimeout: 1 * time.Second,
} }
if c != nil && len(c.ResolverAddress) != 0 { if c != nil && len(c.ResolverAddress) != 0 {
dialCache = gcache.New(2).LRU().Expiration(defaultCacheTime).Build() dialCache = gcache.New(maxDialCacheSize).LRU().Expiration(defaultCacheTime).Build()
d.transport.DialContext = d.createCustomDialContext(c.ResolverAddress) d.transport.DialContext = d.createCustomDialContext(c.ResolverAddress)
} }
d.client = http.Client{ d.client = http.Client{