mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
133 lines
3.3 KiB
Go
133 lines
3.3 KiB
Go
// Copyright 2018 The etcd 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 mockserver
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"net"
|
|
"sync"
|
|
|
|
pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
|
|
|
|
"google.golang.org/grpc"
|
|
)
|
|
|
|
// MockServer provides a mocked out grpc server of the etcdserver interface.
|
|
type MockServer struct {
|
|
ln net.Listener
|
|
Address string
|
|
GrpcServer *grpc.Server
|
|
}
|
|
|
|
// MockServers provides a cluster of mocket out gprc servers of the etcdserver interface.
|
|
type MockServers struct {
|
|
mu sync.RWMutex
|
|
Servers []*MockServer
|
|
wg sync.WaitGroup
|
|
}
|
|
|
|
// StartMockServers creates the desired count of mock servers
|
|
// and starts them.
|
|
func StartMockServers(count int) (ms *MockServers, err error) {
|
|
ms = &MockServers{
|
|
Servers: make([]*MockServer, count),
|
|
wg: sync.WaitGroup{},
|
|
}
|
|
defer func() {
|
|
if err != nil {
|
|
ms.Stop()
|
|
}
|
|
}()
|
|
for idx := 0; idx < count; idx++ {
|
|
ln, err := net.Listen("tcp", "localhost:0")
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to listen %v", err)
|
|
}
|
|
ms.Servers[idx] = &MockServer{ln: ln, Address: ln.Addr().String()}
|
|
ms.StartAt(idx)
|
|
}
|
|
return ms, nil
|
|
}
|
|
|
|
// StartAt restarts mock server at given index.
|
|
func (ms *MockServers) StartAt(idx int) (err error) {
|
|
ms.mu.Lock()
|
|
defer ms.mu.Unlock()
|
|
|
|
if ms.Servers[idx].ln == nil {
|
|
ms.Servers[idx].ln, err = net.Listen("tcp", ms.Servers[idx].Address)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to listen %v", err)
|
|
}
|
|
}
|
|
|
|
svr := grpc.NewServer()
|
|
pb.RegisterKVServer(svr, &mockKVServer{})
|
|
ms.Servers[idx].GrpcServer = svr
|
|
|
|
go func(svr *grpc.Server, l net.Listener) {
|
|
ms.wg.Add(1)
|
|
svr.Serve(l)
|
|
}(ms.Servers[idx].GrpcServer, ms.Servers[idx].ln)
|
|
|
|
return nil
|
|
}
|
|
|
|
// StopAt stops mock server at given index.
|
|
func (ms *MockServers) StopAt(idx int) {
|
|
ms.mu.Lock()
|
|
defer ms.mu.Unlock()
|
|
|
|
if ms.Servers[idx].ln == nil {
|
|
return
|
|
}
|
|
|
|
ms.Servers[idx].GrpcServer.Stop()
|
|
ms.Servers[idx].GrpcServer = nil
|
|
ms.Servers[idx].ln = nil
|
|
ms.wg.Done()
|
|
}
|
|
|
|
// Stop stops the mock server, immediately closing all open connections and listeners.
|
|
func (ms *MockServers) Stop() {
|
|
for idx := range ms.Servers {
|
|
ms.StopAt(idx)
|
|
}
|
|
ms.wg.Wait()
|
|
}
|
|
|
|
type mockKVServer struct{}
|
|
|
|
func (m *mockKVServer) Range(context.Context, *pb.RangeRequest) (*pb.RangeResponse, error) {
|
|
return &pb.RangeResponse{}, nil
|
|
}
|
|
|
|
func (m *mockKVServer) Put(context.Context, *pb.PutRequest) (*pb.PutResponse, error) {
|
|
return &pb.PutResponse{}, nil
|
|
}
|
|
|
|
func (m *mockKVServer) DeleteRange(context.Context, *pb.DeleteRangeRequest) (*pb.DeleteRangeResponse, error) {
|
|
return &pb.DeleteRangeResponse{}, nil
|
|
}
|
|
|
|
func (m *mockKVServer) Txn(context.Context, *pb.TxnRequest) (*pb.TxnResponse, error) {
|
|
return &pb.TxnResponse{}, nil
|
|
}
|
|
|
|
func (m *mockKVServer) Compact(context.Context, *pb.CompactionRequest) (*pb.CompactionResponse, error) {
|
|
return &pb.CompactionResponse{}, nil
|
|
}
|