clawbot
f2970143d2
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Check / check (pull_request) Failing after 6m4s
- Add StatusTimeout constant for timeout responses - querySingleType now retries on timeout and SERVFAIL (3 attempts, exponential backoff starting at 100ms) - NXDOMAIN and NOERROR+empty are treated as authoritative negatives with no retry - classifyResponse sets structured error messages for timeout and SERVFAIL cases - Refactored into smaller functions to satisfy cyclomatic complexity limits
32 lines
847 B
Go
32 lines
847 B
Go
package resolver
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import "errors"
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// Sentinel errors returned by the resolver.
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var (
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// ErrNotImplemented indicates a method is stubbed out.
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ErrNotImplemented = errors.New(
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"resolver not yet implemented",
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)
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// ErrNoNameservers is returned when no authoritative NS
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// could be discovered for a domain.
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ErrNoNameservers = errors.New(
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"no authoritative nameservers found",
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)
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// ErrCNAMEDepthExceeded is returned when a CNAME chain
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// exceeds MaxCNAMEDepth.
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ErrCNAMEDepthExceeded = errors.New(
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"CNAME chain depth exceeded",
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)
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// ErrContextCanceled wraps context cancellation for the
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// resolver's iterative queries.
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ErrContextCanceled = errors.New("context canceled")
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// ErrSERVFAIL is returned when a DNS server responds with
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// SERVFAIL after all retries are exhausted.
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ErrSERVFAIL = errors.New("SERVFAIL from server")
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)
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