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/*
* 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 thrift
import (
"context"
"errors"
"net"
"runtime"
"sync"
"testing"
"time"
)
const networkWaitDuration = 10 * time.Millisecond
type mockServerTransport struct {
ListenFunc func() error
AcceptFunc func() (TTransport, error)
CloseFunc func() error
InterruptFunc func() error
}
func (m *mockServerTransport) Listen() error {
return m.ListenFunc()
}
func (m *mockServerTransport) Accept() (TTransport, error) {
return m.AcceptFunc()
}
func (m *mockServerTransport) Close() error {
return m.CloseFunc()
}
func (m *mockServerTransport) Interrupt() error {
return m.InterruptFunc()
}
type mockTTransport struct {
TTransport
}
func (m *mockTTransport) Close() error {
return nil
}
func TestMultipleStop(t *testing.T) {
proc := &mockProcessor{
ProcessFunc: func(in, out TProtocol) (bool, TException) {
return false, nil
},
}
var interruptCalled bool
c := make(chan struct{})
trans := &mockServerTransport{
ListenFunc: func() error {
return nil
},
AcceptFunc: func() (TTransport, error) {
<-c
return nil, nil
},
CloseFunc: func() error {
c <- struct{}{}
return nil
},
InterruptFunc: func() error {
interruptCalled = true
return nil
},
}
serv := NewTSimpleServer2(proc, trans)
go serv.Serve()
serv.Stop()
if !interruptCalled {
t.Error("first server transport should have been interrupted")
}
serv = NewTSimpleServer2(proc, trans)
interruptCalled = false
go serv.Serve()
serv.Stop()
if !interruptCalled {
t.Error("second server transport should have been interrupted")
}
}
func TestWaitRace(t *testing.T) {
proc := &mockProcessor{
ProcessFunc: func(in, out TProtocol) (bool, TException) {
return false, nil
},
}
trans := &mockServerTransport{
ListenFunc: func() error {
return nil
},
AcceptFunc: func() (TTransport, error) {
return &mockTTransport{}, nil
},
CloseFunc: func() error {
return nil
},
InterruptFunc: func() error {
return nil
},
}
serv := NewTSimpleServer2(proc, trans)
go serv.Serve()
runtime.Gosched()
serv.Stop()
}
func TestNoHangDuringStopFromDanglingLockAcquireDuringAcceptLoop(t *testing.T) {
proc := &mockProcessor{
ProcessFunc: func(in, out TProtocol) (bool, TException) {
return false, nil
},
}
trans := &mockServerTransport{
ListenFunc: func() error {
return nil
},
AcceptFunc: func() (TTransport, error) {
return nil, errors.New("no sir")
},
CloseFunc: func() error {
return nil
},
InterruptFunc: func() error {
return nil
},
}
serv := NewTSimpleServer2(proc, trans)
go serv.Serve()
runtime.Gosched()
serv.Stop()
}
func TestNoHangDuringStopFromClientNoDataSendDuringAcceptLoop(t *testing.T) {
ln, err := net.Listen("tcp", "localhost:0")
if err != nil {
t.Fatalf("Failed to listen: %v", err)
}
proc := &mockProcessor{
ProcessFunc: func(in, out TProtocol) (bool, TException) {
in.ReadMessageBegin(context.Background())
return false, nil
},
}
trans := &mockServerTransport{
ListenFunc: func() error {
return nil
},
AcceptFunc: func() (TTransport, error) {
conn, err := ln.Accept()
if err != nil {
return nil, err
}
return NewTSocketFromConnConf(conn, nil), nil
},
CloseFunc: func() error {
return nil
},
InterruptFunc: func() error {
return ln.Close()
},
}
serv := NewTSimpleServer2(proc, trans)
go serv.Serve()
time.Sleep(networkWaitDuration)
netConn, err := net.Dial("tcp", ln.Addr().String())
if err != nil || netConn == nil {
t.Fatal("error when dial server")
}
time.Sleep(networkWaitDuration)
serverStopTimeout := 50 * time.Millisecond
backupServerStopTimeout := ServerStopTimeout
t.Cleanup(func() {
ServerStopTimeout = backupServerStopTimeout
})
ServerStopTimeout = serverStopTimeout
st := time.Now()
err = serv.Stop()
if err != nil {
t.Errorf("error when stop server:%v", err)
}
if elapsed := time.Since(st); elapsed < serverStopTimeout {
t.Errorf("stop cost less time than server stop timeout, server stop timeout:%v,cost time:%v", ServerStopTimeout, elapsed)
}
}
func TestStopTimeoutWithSocketTimeout(t *testing.T) {
ln, err := net.Listen("tcp", "localhost:0")
if err != nil {
t.Fatalf("Failed to listen: %v", err)
}
proc := &mockProcessor{
ProcessFunc: func(in, out TProtocol) (bool, TException) {
in.ReadMessageBegin(context.Background())
return false, nil
},
}
conf := &TConfiguration{SocketTimeout: 5 * time.Millisecond}
wg := &sync.WaitGroup{}
trans := &mockServerTransport{
ListenFunc: func() error {
return nil
},
AcceptFunc: func() (TTransport, error) {
conn, err := ln.Accept()
if err != nil {
return nil, err
}
defer wg.Done()
return NewTSocketFromConnConf(conn, conf), nil
},
CloseFunc: func() error {
return nil
},
InterruptFunc: func() error {
return ln.Close()
},
}
serv := NewTSimpleServer2(proc, trans)
go serv.Serve()
time.Sleep(networkWaitDuration)
wg.Add(1)
netConn, err := net.Dial("tcp", ln.Addr().String())
if err != nil || netConn == nil {
t.Fatal("error when dial server")
}
wg.Wait()
expectedStopTimeout := time.Second
backupServerStopTimeout := ServerStopTimeout
t.Cleanup(func() {
ServerStopTimeout = backupServerStopTimeout
})
ServerStopTimeout = expectedStopTimeout
st := time.Now()
err = serv.Stop()
if elapsed := time.Since(st); elapsed > expectedStopTimeout/2 {
t.Errorf("stop cost more time than socket timeout, socket timeout:%v,server stop timeout:%v,cost time:%v", conf.SocketTimeout, ServerStopTimeout, elapsed)
}
if err != nil {
t.Fatalf("error when stop server:%v", err)
}
}
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