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15fb4c990a
This PR switches the Nomad repository from using govendor to Go modules for managing dependencies. Aspects of the Nomad workflow remain pretty much the same. The usual Makefile targets should continue to work as they always did. The API submodule simply defers to the parent Nomad version on the repository, keeping the semantics of API versioning that currently exists.
39 lines
955 B
Go
39 lines
955 B
Go
package dns
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//go:generate go run duplicate_generate.go
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// IsDuplicate checks of r1 and r2 are duplicates of each other, excluding the TTL.
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// So this means the header data is equal *and* the RDATA is the same. Return true
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// is so, otherwise false.
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// It's a protocol violation to have identical RRs in a message.
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func IsDuplicate(r1, r2 RR) bool {
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// Check whether the record header is identical.
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if !r1.Header().isDuplicate(r2.Header()) {
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return false
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}
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// Check whether the RDATA is identical.
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return r1.isDuplicate(r2)
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}
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func (r1 *RR_Header) isDuplicate(_r2 RR) bool {
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r2, ok := _r2.(*RR_Header)
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if !ok {
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return false
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}
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if r1.Class != r2.Class {
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return false
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}
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if r1.Rrtype != r2.Rrtype {
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return false
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}
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if !isDuplicateName(r1.Name, r2.Name) {
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return false
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}
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// ignore TTL
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return true
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}
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// isDuplicateName checks if the domain names s1 and s2 are equal.
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func isDuplicateName(s1, s2 string) bool { return equal(s1, s2) }
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