| /* |
| * 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 grpc |
| |
| import ( |
| "context" |
| "io" |
| ) |
| |
| import ( |
| envoy_sd "github.com/envoyproxy/go-control-plane/envoy/service/discovery/v3" |
| |
| "google.golang.org/grpc" |
| "google.golang.org/grpc/metadata" |
| ) |
| |
| import ( |
| "github.com/apache/dubbo-kubernetes/pkg/core/resources/registry" |
| ) |
| |
| type MockServerStream struct { |
| Ctx context.Context |
| RecvCh chan *envoy_sd.DiscoveryRequest |
| SentCh chan *envoy_sd.DiscoveryResponse |
| Nonce int |
| grpc.ServerStream |
| } |
| |
| func (stream *MockServerStream) Context() context.Context { |
| return stream.Ctx |
| } |
| |
| func (stream *MockServerStream) Send(resp *envoy_sd.DiscoveryResponse) error { |
| // check that nonce is monotonically incrementing |
| stream.Nonce++ |
| stream.SentCh <- resp |
| return nil |
| } |
| |
| func (stream *MockServerStream) Recv() (*envoy_sd.DiscoveryRequest, error) { |
| req, more := <-stream.RecvCh |
| if !more { |
| return nil, io.EOF |
| } |
| return req, nil |
| } |
| |
| func (stream *MockServerStream) ClientStream(stopCh chan struct{}) *MockClientStream { |
| mockClientStream := NewMockClientStream() |
| go func() { |
| for { |
| r, more := <-mockClientStream.SentCh |
| if !more { |
| close(stream.RecvCh) |
| return |
| } |
| stream.RecvCh <- r |
| } |
| }() |
| go func() { |
| for { |
| select { |
| case <-stopCh: |
| close(mockClientStream.RecvCh) |
| return |
| case r := <-stream.SentCh: |
| mockClientStream.RecvCh <- r |
| } |
| } |
| }() |
| return mockClientStream |
| } |
| |
| func NewMockServerStream() *MockServerStream { |
| return &MockServerStream{ |
| Ctx: metadata.NewIncomingContext(context.Background(), map[string][]string{}), |
| SentCh: make(chan *envoy_sd.DiscoveryResponse, len(registry.Global().ObjectTypes())), |
| RecvCh: make(chan *envoy_sd.DiscoveryRequest, len(registry.Global().ObjectTypes())), |
| } |
| } |
| |
| type MockDeltaServerStream struct { |
| Ctx context.Context |
| RecvCh chan *envoy_sd.DeltaDiscoveryRequest |
| SentCh chan *envoy_sd.DeltaDiscoveryResponse |
| Nonce int |
| grpc.ServerStream |
| } |
| |
| func (stream *MockDeltaServerStream) Context() context.Context { |
| return stream.Ctx |
| } |
| |
| func (stream *MockDeltaServerStream) Send(resp *envoy_sd.DeltaDiscoveryResponse) error { |
| // check that nonce is monotonically incrementing |
| stream.Nonce++ |
| stream.SentCh <- resp |
| return nil |
| } |
| |
| func (stream *MockDeltaServerStream) Recv() (*envoy_sd.DeltaDiscoveryRequest, error) { |
| req, more := <-stream.RecvCh |
| if !more { |
| return nil, io.EOF |
| } |
| return req, nil |
| } |
| |
| func (stream *MockDeltaServerStream) ClientStream(stopCh chan struct{}) *MockDeltaClientStream { |
| mockClientStream := NewMockDeltaClientStream() |
| go func() { |
| for { |
| r, more := <-mockClientStream.SentCh |
| if !more { |
| close(stream.RecvCh) |
| return |
| } |
| stream.RecvCh <- r |
| } |
| }() |
| go func() { |
| for { |
| select { |
| case <-stopCh: |
| close(mockClientStream.RecvCh) |
| return |
| case r := <-stream.SentCh: |
| mockClientStream.RecvCh <- r |
| } |
| } |
| }() |
| return mockClientStream |
| } |
| |
| func NewMockDeltaServerStream() *MockDeltaServerStream { |
| return &MockDeltaServerStream{ |
| Ctx: context.Background(), |
| SentCh: make(chan *envoy_sd.DeltaDiscoveryResponse, len(registry.Global().ObjectTypes())), |
| RecvCh: make(chan *envoy_sd.DeltaDiscoveryRequest, len(registry.Global().ObjectTypes())), |
| } |
| } |