forked from mongodb/mongo-go-driver
/
feature.go
36 lines (29 loc) · 1.11 KB
/
feature.go
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// Copyright (C) MongoDB, Inc. 2017-present.
//
// Licensed under the Apache License, Version 2.0 (the "License"); you may
// not use this file except in compliance with the License. You may obtain
// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
package description
import (
"fmt"
)
// MaxStalenessSupported returns an error if the given server version
// does not support max staleness.
func MaxStalenessSupported(wireVersion *VersionRange) error {
if wireVersion != nil && wireVersion.Max < 5 {
return fmt.Errorf("max staleness is only supported for servers 3.4 or newer")
}
return nil
}
// ScramSHA1Supported returns an error if the given server version
// does not support scram-sha-1.
func ScramSHA1Supported(wireVersion *VersionRange) error {
if wireVersion != nil && wireVersion.Max < 3 {
return fmt.Errorf("SCRAM-SHA-1 is only supported for servers 3.0 or newer")
}
return nil
}
// SessionsSupported returns true of the given server version indicates that it supports sessions.
func SessionsSupported(wireVersion *VersionRange) bool {
return wireVersion != nil && wireVersion.Max >= 6
}