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e54c232c8c
Make the cache memory bounded, by using a LRU cache. Also split the
cache in a positive and negative one - each with its own controls.
Extend the cache stanza to allow for this:
cache {
positive limit [ttl]
negative limit [ttl]
}
is now possible. This also add a cache_test.go in the toplevel test/
directory that exercises the caching path.
Fixes #260
21 lines
504 B
Go
21 lines
504 B
Go
package cache
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import (
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"testing"
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"github.com/miekg/dns"
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)
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func TestKey(t *testing.T) {
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if x := rawKey("miek.nl.", dns.TypeMX, false); x != "0miek.nl..15" {
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t.Errorf("failed to create correct key, got %s", x)
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}
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if x := rawKey("miek.nl.", dns.TypeMX, true); x != "1miek.nl..15" {
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t.Errorf("failed to create correct key, got %s", x)
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}
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// rawKey does not lowercase.
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if x := rawKey("miEK.nL.", dns.TypeMX, true); x != "1miEK.nL..15" {
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t.Errorf("failed to create correct key, got %s", x)
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}
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}
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