| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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 ( |
| "context" |
| ) |
| |
| import ( |
| "github.com/go-logr/logr" |
| ) |
| |
| type LoggingCallbacks struct { |
| Log logr.Logger |
| } |
| |
| var _ Callbacks = LoggingCallbacks{} |
| |
| // OnStreamOpen is called once an xDS stream is open with a stream ID and the type URL (or "" for ADS). |
| // Returning an error will end processing and close the stream. OnStreamClosed will still be called. |
| func (cb LoggingCallbacks) OnStreamOpen(ctx context.Context, streamID int64, typ string) error { |
| cb.Log.V(1).Info("OnStreamOpen", "context", ctx, "streamid", streamID, "type", typ) |
| return nil |
| } |
| |
| // OnStreamClosed is called immediately prior to closing an xDS stream with a stream ID. |
| func (cb LoggingCallbacks) OnStreamClosed(streamID int64) { |
| cb.Log.V(1).Info("OnStreamClosed", "streamid", streamID) |
| } |
| |
| // OnStreamRequest is called once a request is received on a stream. |
| // Returning an error will end processing and close the stream. OnStreamClosed will still be called. |
| func (cb LoggingCallbacks) OnStreamRequest(streamID int64, req DiscoveryRequest) error { |
| cb.Log.V(1).Info("OnStreamRequest", "streamid", streamID, "req", req) |
| return nil |
| } |
| |
| // OnStreamResponse is called immediately prior to sending a response on a stream. |
| func (cb LoggingCallbacks) OnStreamResponse(streamID int64, req DiscoveryRequest, resp DiscoveryResponse) { |
| cb.Log.V(1).Info("OnStreamResponse", "streamid", streamID, "req", req, "resp", resp) |
| } |
| |
| // OnDeltaStreamOpen is called once an xDS stream is open with a stream ID and the type URL (or "" for ADS). |
| // Returning an error will end processing and close the stream. OnDeltaStreamOpen will still be called. |
| func (cb LoggingCallbacks) OnDeltaStreamOpen(ctx context.Context, streamID int64, typ string) error { |
| cb.Log.V(1).Info("OnDeltaStreamOpen", "context", ctx, "streamid", streamID, "type", typ) |
| return nil |
| } |
| |
| // OnDeltaStreamClosed is called immediately prior to closing an xDS stream with a stream ID. |
| func (cb LoggingCallbacks) OnDeltaStreamClosed(streamID int64) { |
| cb.Log.V(1).Info("OnDeltaStreamClosed", "streamid", streamID) |
| } |
| |
| // OnStreamDeltaRequest is called once a request is received on a stream. |
| // Returning an error will end processing and close the stream. OnStreamDeltaRequest will still be called. |
| func (cb LoggingCallbacks) OnStreamDeltaRequest(streamID int64, req DeltaDiscoveryRequest) error { |
| cb.Log.V(1).Info("OnStreamDeltaRequest", "streamid", streamID, "req", req) |
| return nil |
| } |
| |
| // OnStreamDeltaResponse is called immediately prior to sending a response on a stream. |
| func (cb LoggingCallbacks) OnStreamDeltaResponse(streamID int64, req DeltaDiscoveryRequest, resp DeltaDiscoveryResponse) { |
| cb.Log.V(1).Info("OnStreamDeltaResponse", "streamid", streamID, "req", req, "resp", resp) |
| } |
| |
| // OnFetchRequest is called for each Fetch request. Returning an error will end processing of the |
| // request and respond with an error. |
| func (cb LoggingCallbacks) OnFetchRequest(ctx context.Context, req DiscoveryRequest) error { |
| cb.Log.V(1).Info("OnFetchRequest", "context", ctx, "req", req) |
| return nil |
| } |
| |
| // OnFetchRequest is called for each Fetch request. Returning an error will end processing of the |
| // request and respond with an error. |
| // OnFetchResponse is called immediately prior to sending a response. |
| func (cb LoggingCallbacks) OnFetchResponse(req DiscoveryRequest, resp DiscoveryResponse) { |
| cb.Log.V(1).Info("OnFetchResponse", "req", req, "resp", resp) |
| } |