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234 lines
5.9 KiB
234 lines
5.9 KiB
package proxy
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import (
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"context"
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"errors"
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"fmt"
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"os"
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"os/signal"
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"strings"
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"syscall"
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"testing"
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"time"
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"github.com/stretchr/testify/mock"
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"github.com/stretchr/testify/require"
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abciclient "github.com/tendermint/tendermint/abci/client"
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abcimocks "github.com/tendermint/tendermint/abci/client/mocks"
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"github.com/tendermint/tendermint/abci/example/kvstore"
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"github.com/tendermint/tendermint/abci/server"
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"github.com/tendermint/tendermint/abci/types"
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"github.com/tendermint/tendermint/libs/log"
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tmrand "github.com/tendermint/tendermint/libs/rand"
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"gotest.tools/assert"
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)
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//----------------------------------------
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type appConnTestI interface {
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Echo(context.Context, string) (*types.ResponseEcho, error)
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Flush(context.Context) error
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Info(context.Context, types.RequestInfo) (*types.ResponseInfo, error)
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}
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type appConnTest struct {
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appConn abciclient.Client
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}
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func newAppConnTest(appConn abciclient.Client) appConnTestI {
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return &appConnTest{appConn}
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}
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func (app *appConnTest) Echo(ctx context.Context, msg string) (*types.ResponseEcho, error) {
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return app.appConn.Echo(ctx, msg)
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}
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func (app *appConnTest) Flush(ctx context.Context) error {
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return app.appConn.Flush(ctx)
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}
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func (app *appConnTest) Info(ctx context.Context, req types.RequestInfo) (*types.ResponseInfo, error) {
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return app.appConn.Info(ctx, req)
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}
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//----------------------------------------
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var SOCKET = "socket"
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func TestEcho(t *testing.T) {
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sockPath := fmt.Sprintf("unix:///tmp/echo_%v.sock", tmrand.Str(6))
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logger := log.NewNopLogger()
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client, err := abciclient.NewClient(logger, sockPath, SOCKET, true)
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if err != nil {
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t.Fatal(err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Start server
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s := server.NewSocketServer(logger.With("module", "abci-server"), sockPath, kvstore.NewApplication())
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require.NoError(t, s.Start(ctx), "error starting socket server")
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t.Cleanup(func() { cancel(); s.Wait() })
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// Start client
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require.NoError(t, client.Start(ctx), "Error starting ABCI client")
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proxy := newAppConnTest(client)
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t.Log("Connected")
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for i := 0; i < 1000; i++ {
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_, err = proxy.Echo(ctx, fmt.Sprintf("echo-%v", i))
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if err != nil {
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t.Error(err)
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}
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// flush sometimes
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if i%128 == 0 {
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if err := proxy.Flush(ctx); err != nil {
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t.Error(err)
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}
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}
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}
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if err := proxy.Flush(ctx); err != nil {
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t.Error(err)
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}
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}
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func BenchmarkEcho(b *testing.B) {
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b.StopTimer() // Initialize
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sockPath := fmt.Sprintf("unix:///tmp/echo_%v.sock", tmrand.Str(6))
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logger := log.NewNopLogger()
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client, err := abciclient.NewClient(logger, sockPath, SOCKET, true)
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if err != nil {
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b.Fatal(err)
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}
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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// Start server
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s := server.NewSocketServer(logger.With("module", "abci-server"), sockPath, kvstore.NewApplication())
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require.NoError(b, s.Start(ctx), "Error starting socket server")
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b.Cleanup(func() { cancel(); s.Wait() })
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// Start client
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require.NoError(b, client.Start(ctx), "Error starting ABCI client")
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proxy := newAppConnTest(client)
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b.Log("Connected")
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echoString := strings.Repeat(" ", 200)
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b.StartTimer() // Start benchmarking tests
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for i := 0; i < b.N; i++ {
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_, err = proxy.Echo(ctx, echoString)
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if err != nil {
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b.Error(err)
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}
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// flush sometimes
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if i%128 == 0 {
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if err := proxy.Flush(ctx); err != nil {
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b.Error(err)
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}
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}
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}
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if err := proxy.Flush(ctx); err != nil {
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b.Error(err)
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}
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b.StopTimer()
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// info := proxy.Info(types.RequestInfo{""})
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// b.Log("N: ", b.N, info)
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}
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func TestInfo(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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sockPath := fmt.Sprintf("unix:///tmp/echo_%v.sock", tmrand.Str(6))
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logger := log.NewNopLogger()
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client, err := abciclient.NewClient(logger, sockPath, SOCKET, true)
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if err != nil {
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t.Fatal(err)
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}
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// Start server
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s := server.NewSocketServer(logger.With("module", "abci-server"), sockPath, kvstore.NewApplication())
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require.NoError(t, s.Start(ctx), "Error starting socket server")
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t.Cleanup(func() { cancel(); s.Wait() })
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// Start client
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require.NoError(t, client.Start(ctx), "Error starting ABCI client")
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proxy := newAppConnTest(client)
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t.Log("Connected")
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resInfo, err := proxy.Info(ctx, RequestInfo)
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require.NoError(t, err)
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if resInfo.Data != "{\"size\":0}" {
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t.Error("Expected ResponseInfo with one element '{\"size\":0}' but got something else")
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}
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}
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type noopStoppableClientImpl struct {
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abciclient.Client
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count int
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}
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func (c *noopStoppableClientImpl) Stop() { c.count++ }
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func TestAppConns_Start_Stop(t *testing.T) {
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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clientMock := &abcimocks.Client{}
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clientMock.On("Start", mock.Anything).Return(nil)
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clientMock.On("Error").Return(nil)
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clientMock.On("IsRunning").Return(true)
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clientMock.On("Wait").Return(nil).Times(1)
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cl := &noopStoppableClientImpl{Client: clientMock}
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appConns := New(cl, log.NewNopLogger(), NopMetrics())
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err := appConns.Start(ctx)
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require.NoError(t, err)
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time.Sleep(200 * time.Millisecond)
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cancel()
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appConns.Wait()
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clientMock.AssertExpectations(t)
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assert.Equal(t, 1, cl.count)
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}
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// Upon failure, we call tmos.Kill
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func TestAppConns_Failure(t *testing.T) {
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c := make(chan os.Signal, 1)
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signal.Notify(c, syscall.SIGTERM, syscall.SIGABRT)
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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clientMock := &abcimocks.Client{}
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clientMock.On("SetLogger", mock.Anything).Return()
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clientMock.On("Start", mock.Anything).Return(nil)
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clientMock.On("IsRunning").Return(true)
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clientMock.On("Wait").Return(nil)
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clientMock.On("Error").Return(errors.New("EOF"))
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cl := &noopStoppableClientImpl{Client: clientMock}
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appConns := New(cl, log.NewNopLogger(), NopMetrics())
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err := appConns.Start(ctx)
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require.NoError(t, err)
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t.Cleanup(func() { cancel(); appConns.Wait() })
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select {
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case sig := <-c:
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t.Logf("signal %q successfully received", sig)
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case <-ctx.Done():
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t.Fatal("expected process to receive SIGTERM signal")
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}
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}
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