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grpc_application_endpoints.go
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grpc_application_endpoints.go
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// Copyright 2023 Google LLC
//
// 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 xds
import (
"slices"
"strings"
)
type GRPCApplicationEndpoints struct {
Node string
Zone string
Addresses []string
EndpointStatus EndpointStatus
}
func NewGRPCApplicationEndpoints(node string, zone string, addresses []string, endpointStatus EndpointStatus) GRPCApplicationEndpoints {
addressesCopy := make([]string, len(addresses))
copy(addressesCopy, addresses)
slices.Sort(addressesCopy)
return GRPCApplicationEndpoints{
Node: node,
Zone: zone,
Addresses: addressesCopy,
EndpointStatus: endpointStatus,
}
}
// Compare assumes that the list of addresses is sorted,
// as done in `NewGRPCApplicationEndpoints()`.
func (e GRPCApplicationEndpoints) Compare(f GRPCApplicationEndpoints) int {
if e.Node != f.Node {
return strings.Compare(e.Node, f.Node)
}
if e.Zone != f.Zone {
return strings.Compare(e.Zone, f.Zone)
}
if e.EndpointStatus != f.EndpointStatus {
return strings.Compare(e.EndpointStatus.String(), f.EndpointStatus.String())
}
return slices.Compare(e.Addresses, f.Addresses)
}
// Equal assumes that the list of addresses is sorted,
// as done in `NewGRPCApplicationEndpoints()`.
func (e GRPCApplicationEndpoints) Equal(f GRPCApplicationEndpoints) bool {
return e.Compare(f) == 0
}