40 lines
1.4 KiB
Go
40 lines
1.4 KiB
Go
/*
|
|
* Copyright 2021 gRPC authors.
|
|
*
|
|
* 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
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package internal
|
|
|
|
import (
|
|
"google.golang.org/grpc/attributes"
|
|
"google.golang.org/grpc/resolver"
|
|
)
|
|
|
|
// handshakeClusterNameKey is the type used as the key to store cluster name in
|
|
// the Attributes field of resolver.Address.
|
|
type handshakeClusterNameKey struct{}
|
|
|
|
// SetXDSHandshakeClusterName returns a copy of addr in which the Attributes field
|
|
// is updated with the cluster name.
|
|
func SetXDSHandshakeClusterName(addr resolver.Address, clusterName string) resolver.Address {
|
|
addr.Attributes = addr.Attributes.WithValue(handshakeClusterNameKey{}, clusterName)
|
|
return addr
|
|
}
|
|
|
|
// GetXDSHandshakeClusterName returns cluster name stored in attr.
|
|
func GetXDSHandshakeClusterName(attr *attributes.Attributes) (string, bool) {
|
|
v := attr.Value(handshakeClusterNameKey{})
|
|
name, ok := v.(string)
|
|
return name, ok
|
|
}
|