mirror of
https://github.com/etcd-io/etcd.git
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70 lines
1.7 KiB
Go
70 lines
1.7 KiB
Go
// Copyright 2021 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package grpctesting
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import (
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"context"
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"sync"
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"google.golang.org/grpc"
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"google.golang.org/grpc/metadata"
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)
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type GRPCRecorder struct {
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mux sync.RWMutex
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requests []RequestInfo
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}
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type RequestInfo struct {
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FullMethod string
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Authority string
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}
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func (ri *GRPCRecorder) UnaryInterceptor() grpc.UnaryServerInterceptor {
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return func(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (any, error) {
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ri.record(toRequestInfo(ctx, info))
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resp, err := handler(ctx, req)
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return resp, err
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}
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}
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func (ri *GRPCRecorder) RecordedRequests() []RequestInfo {
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ri.mux.RLock()
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defer ri.mux.RUnlock()
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reqs := make([]RequestInfo, len(ri.requests))
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copy(reqs, ri.requests)
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return reqs
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}
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func toRequestInfo(ctx context.Context, info *grpc.UnaryServerInfo) RequestInfo {
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req := RequestInfo{
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FullMethod: info.FullMethod,
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}
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md, ok := metadata.FromIncomingContext(ctx)
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if ok {
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as := md.Get(":authority")
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if len(as) != 0 {
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req.Authority = as[0]
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}
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}
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return req
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}
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func (ri *GRPCRecorder) record(r RequestInfo) {
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ri.mux.Lock()
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defer ri.mux.Unlock()
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ri.requests = append(ri.requests, r)
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}
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