mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
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43 lines
1.5 KiB
Go
43 lines
1.5 KiB
Go
/*
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* Copyright 2021 gRPC authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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// Package xds contains methods to Get/Set handshake cluster names. It is separated
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// out from the top level /internal package to avoid circular dependencies.
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package xds
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import (
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"google.golang.org/grpc/attributes"
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"google.golang.org/grpc/resolver"
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)
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// handshakeClusterNameKey is the type used as the key to store cluster name in
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// the Attributes field of resolver.Address.
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type handshakeClusterNameKey struct{}
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// SetXDSHandshakeClusterName returns a copy of addr in which the Attributes field
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// is updated with the cluster name.
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func SetXDSHandshakeClusterName(addr resolver.Address, clusterName string) resolver.Address {
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addr.Attributes = addr.Attributes.WithValue(handshakeClusterNameKey{}, clusterName)
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return addr
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}
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// GetXDSHandshakeClusterName returns cluster name stored in attr.
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func GetXDSHandshakeClusterName(attr *attributes.Attributes) (string, bool) {
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v := attr.Value(handshakeClusterNameKey{})
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name, ok := v.(string)
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return name, ok
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}
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