30 lines
904 B
Go
30 lines
904 B
Go
package pmtud
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import (
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"context"
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"errors"
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"fmt"
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"net"
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"strings"
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"time"
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)
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var (
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ErrICMPNotPermitted = errors.New("ICMP not permitted")
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ErrICMPDestinationUnreachable = errors.New("ICMP destination unreachable")
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ErrICMPCommunicationAdministrativelyProhibited = errors.New("communication administratively prohibited")
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ErrICMPBodyUnsupported = errors.New("ICMP body type is not supported")
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)
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func wrapConnErr(err error, timedCtx context.Context, pingTimeout time.Duration) error { //nolint:revive
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switch {
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case strings.HasSuffix(err.Error(), "sendto: operation not permitted"):
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err = fmt.Errorf("%w", ErrICMPNotPermitted)
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case errors.Is(timedCtx.Err(), context.DeadlineExceeded):
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err = fmt.Errorf("%w (timed out after %s)", net.ErrClosed, pingTimeout)
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case timedCtx.Err() != nil:
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err = timedCtx.Err()
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}
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return err
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}
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