grpc-go/channelz/internal/protoconv/subchannel.go

66 lines
2.1 KiB
Go

/*
*
* Copyright 2024 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 protoconv
import (
"time"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/internal/channelz"
"google.golang.org/grpc/status"
"google.golang.org/protobuf/types/known/timestamppb"
channelzpb "google.golang.org/grpc/channelz/grpc_channelz_v1"
)
func subChannelToProto(cm *channelz.SubChannel) *channelzpb.Subchannel {
sc := &channelzpb.Subchannel{}
sc.Ref = &channelzpb.SubchannelRef{SubchannelId: cm.ID, Name: cm.RefName}
sc.Data = &channelzpb.ChannelData{
State: connectivityStateToProto(cm.ChannelMetrics.State.Load()),
Target: strFromPointer(cm.ChannelMetrics.Target.Load()),
CallsStarted: cm.ChannelMetrics.CallsStarted.Load(),
CallsSucceeded: cm.ChannelMetrics.CallsSucceeded.Load(),
CallsFailed: cm.ChannelMetrics.CallsFailed.Load(),
}
if ts := timestamppb.New(time.Unix(0, cm.ChannelMetrics.LastCallStartedTimestamp.Load())); ts.IsValid() {
sc.Data.LastCallStartedTimestamp = ts
}
skts := cm.Sockets()
sockets := make([]*channelzpb.SocketRef, 0, len(skts))
for id, ref := range skts {
sockets = append(sockets, &channelzpb.SocketRef{SocketId: id, Name: ref})
}
sc.SocketRef = sockets
sc.Data.Trace = channelTraceToProto(cm.Trace())
return sc
}
// GetSubChannel returns the protobuf representation of the subchannel with the
// given ID.
func GetSubChannel(id int64) (*channelzpb.Subchannel, error) {
subChan := channelz.GetSubChannel(id)
if subChan == nil {
return nil, status.Errorf(codes.NotFound, "requested sub channel %d not found", id)
}
return subChannelToProto(subChan), nil
}