snapshot of https://github.com/grpc/grpc-go.git (master, 2026-09-15; blobs > 131072B omitted)

internal/xds/xdsclient/clientimpl_loadreport.go

@@ -0,0 +1,49 @@
+/*
+ *
+ * Copyright 2019 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 xdsclient
+
+import (
+	"context"
+	"sync"
+
+	"google.golang.org/grpc/internal/xds/bootstrap"
+	"google.golang.org/grpc/internal/xds/clients"
+	"google.golang.org/grpc/internal/xds/clients/grpctransport"
+	"google.golang.org/grpc/internal/xds/clients/lrsclient"
+)
+
+// ReportLoad starts a load reporting stream to the given server. All load
+// reports to the same server share the LRS stream.
+//
+// It returns a lrsclient.LoadStore for the user to report loads.
+func (c *clientImpl) ReportLoad(server *bootstrap.ServerConfig) (*lrsclient.LoadStore, func(context.Context)) {
+	load, err := c.lrsClient.ReportLoad(clients.ServerIdentifier{
+		ServerURI: server.ServerURI(),
+		Extensions: grpctransport.ServerIdentifierExtension{
+			ConfigName: server.SelectedChannelCreds().Type,
+		},
+	})
+	if err != nil {
+		c.logger.Warningf("Failed to create a load store to the management server to report load: %v", server, err)
+		return nil, func(context.Context) {}
+	}
+	var loadStop sync.Once
+	return load, func(ctx context.Context) {
+		loadStop.Do(func() { load.Stop(ctx) })
+	}
+}