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clientimpl_dump.go
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/
clientimpl_dump.go
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/*
*
* 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 xdsclient
import (
"google.golang.org/grpc/xds/internal/xdsclient/xdsresource"
)
func appendMaps(dst, src map[string]map[string]xdsresource.UpdateWithMD) {
// Iterate through the resource types.
for rType, srcResources := range src {
// Lookup/create the resource type specific map in the destination.
dstResources := dst[rType]
if dstResources == nil {
dstResources = make(map[string]xdsresource.UpdateWithMD)
dst[rType] = dstResources
}
// Iterate through the resources within the resource type in the source,
// and copy them over to the destination.
for name, update := range srcResources {
dstResources[name] = update
}
}
}
// DumpResources returns the status and contents of all xDS resources.
func (c *clientImpl) DumpResources() map[string]map[string]xdsresource.UpdateWithMD {
c.authorityMu.Lock()
defer c.authorityMu.Unlock()
dumps := make(map[string]map[string]xdsresource.UpdateWithMD)
for _, a := range c.authorities {
dump := a.dumpResources()
appendMaps(dumps, dump)
}
return dumps
}