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How to use Wait method of vmimpl Package

Best Syzkaller code snippet using vmimpl.Wait

odroid.go

Source:odroid.go

...136			cmd.Process.Kill()137		case <-done:138		}139	}()140	if err := cmd.Wait(); err != nil {141		close(done)142		out, _ := ioutil.ReadAll(rpipe)143		if inst.debug {144			Logf(0, "ssh failed: %v\n%s", err, out)145		}146		return nil, fmt.Errorf("ssh %+v failed: %v\n%s", args, err, out)147	}148	close(done)149	if inst.debug {150		Logf(0, "ssh returned")151	}152	out, _ := ioutil.ReadAll(rpipe)153	return out, nil154}155func switchPortPower(busNum, deviceNum, portNum int, power bool) error {156	var context *C.libusb_context157	if err := C.libusb_init(&context); err != 0 {158		return fmt.Errorf("failed to init libusb: %v\n", err)159	}160	defer C.libusb_exit(context)161	var rawList **C.libusb_device162	numDevices := int(C.libusb_get_device_list(context, &rawList))163	if numDevices < 0 {164		return fmt.Errorf("failed to init libusb: %v", numDevices)165	}166	defer C.libusb_free_device_list(rawList, 1)167	var deviceList []*C.libusb_device168	*(*reflect.SliceHeader)(unsafe.Pointer(&deviceList)) = reflect.SliceHeader{169		Data: uintptr(unsafe.Pointer(rawList)),170		Len:  numDevices,171		Cap:  numDevices,172	}173	var hub *C.libusb_device174	for i := 0; i < numDevices; i++ {175		var desc C.struct_libusb_device_descriptor176		if err := C.libusb_get_device_descriptor(deviceList[i], &desc); err != 0 {177			return fmt.Errorf("failed to get device descriptor: %v", err)178		}179		if desc.bDeviceClass != C.USB_CLASS_HUB {180			continue181		}182		if C.libusb_get_bus_number(deviceList[i]) != C.uint8_t(busNum) {183			continue184		}185		if C.libusb_get_device_address(deviceList[i]) != C.uint8_t(deviceNum) {186			continue187		}188		hub = deviceList[i]189		break190	}191	if hub == nil {192		return fmt.Errorf("hub not found: bus: %v, device: %v", busNum, deviceNum)193	}194	var handle *C.libusb_device_handle195	if err := C.libusb_open(hub, &handle); err != 0 {196		return fmt.Errorf("failed to open usb device: %v", err)197	}198	request := C.uint8_t(C.USB_REQ_CLEAR_FEATURE)199	if power {200		request = C.uint8_t(C.USB_REQ_SET_FEATURE)201	}202	port := C.uint16_t(portNum)203	timeout := C.uint(1000)204	if err := C.libusb_control_transfer(handle, C.USB_RT_PORT, request,205		C.USB_PORT_FEAT_POWER, port, nil, 0, timeout); err < 0 {206		return fmt.Errorf("failed to send control message: %v\n", err)207	}208	return nil209}210func (inst *instance) repair() error {211	// Try to shutdown gracefully.212	Logf(1, "odroid: trying to ssh")213	if err := inst.waitForSSH(10 * time.Second); err == nil {214		Logf(1, "odroid: ssh succeeded, shutting down now")215		inst.ssh("shutdown now")216		if !vmimpl.SleepInterruptible(20 * time.Second) {217			return fmt.Errorf("shutdown in progress")218		}219	} else {220		Logf(1, "odroid: ssh failed")221	}222	// Hard reset by turning off and back on power on a hub port.223	Logf(1, "odroid: hard reset, turning off power")224	if err := switchPortPower(inst.cfg.Hub_Bus, inst.cfg.Hub_Device, inst.cfg.Hub_Port, false); err != nil {225		return err226	}227	if !vmimpl.SleepInterruptible(5 * time.Second) {228		return fmt.Errorf("shutdown in progress")229	}230	if err := switchPortPower(inst.cfg.Hub_Bus, inst.cfg.Hub_Device, inst.cfg.Hub_Port, true); err != nil {231		return err232	}233	// Now wait for boot.234	Logf(1, "odroid: power back on, waiting for boot")235	if err := inst.waitForSSH(150 * time.Second); err != nil {236		return err237	}238	Logf(1, "odroid: boot succeeded")239	return nil240}241func (inst *instance) waitForSSH(timeout time.Duration) error {242	return vmimpl.WaitForSSH(inst.debug, timeout, inst.cfg.Device_Addr, inst.sshkey, "root", inst.os, 22)243}244func (inst *instance) Close() {245	close(inst.closed)246}247func (inst *instance) Copy(hostSrc string) (string, error) {248	basePath := "/data/"249	vmDst := filepath.Join(basePath, filepath.Base(hostSrc))250	args := append(vmimpl.SCPArgs(inst.debug, inst.sshkey, 22), hostSrc, "root@"+inst.cfg.Device_Addr+":"+vmDst)251	cmd := osutil.Command("scp", args...)252	if inst.debug {253		Logf(0, "running command: scp %#v", args)254		cmd.Stdout = os.Stdout255		cmd.Stderr = os.Stdout256	}257	if err := cmd.Start(); err != nil {258		return "", err259	}260	done := make(chan bool)261	go func() {262		select {263		case <-time.After(3 * time.Minute):264			cmd.Process.Kill()265		case <-done:266		}267	}()268	err := cmd.Wait()269	close(done)270	if err != nil {271		return "", err272	}273	return vmDst, nil274}275func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command string) (276	<-chan []byte, <-chan error, error) {277	tty, err := vmimpl.OpenConsole(inst.cfg.Console)278	if err != nil {279		return nil, nil, err280	}281	rpipe, wpipe, err := osutil.LongPipe()282	if err != nil {283		tty.Close()284		return nil, nil, err285	}286	args := append(vmimpl.SSHArgs(inst.debug, inst.sshkey, 22),287		"root@"+inst.cfg.Device_Addr, "cd /data; "+command)288	if inst.debug {289		Logf(0, "running command: ssh %#v", args)290	}291	cmd := osutil.Command("ssh", args...)292	cmd.Stdout = wpipe293	cmd.Stderr = wpipe294	if err := cmd.Start(); err != nil {295		tty.Close()296		rpipe.Close()297		wpipe.Close()298		return nil, nil, err299	}300	wpipe.Close()301	var tee io.Writer302	if inst.debug {303		tee = os.Stdout304	}305	merger := vmimpl.NewOutputMerger(tee)306	merger.Add("console", tty)307	merger.Add("ssh", rpipe)308	errc := make(chan error, 1)309	signal := func(err error) {310		select {311		case errc <- err:312		default:313		}314	}315	go func() {316		select {317		case <-time.After(timeout):318			signal(vmimpl.TimeoutErr)319		case <-stop:320			signal(vmimpl.TimeoutErr)321		case <-inst.closed:322			if inst.debug {323				Logf(0, "instance closed")324			}325			signal(fmt.Errorf("instance closed"))326		case err := <-merger.Err:327			cmd.Process.Kill()328			tty.Close()329			merger.Wait()330			if cmdErr := cmd.Wait(); cmdErr == nil {331				// If the command exited successfully, we got EOF error from merger.332				// But in this case no error has happened and the EOF is expected.333				err = nil334			}335			signal(err)336			return337		}338		cmd.Process.Kill()339		tty.Close()340		merger.Wait()341		cmd.Wait()342	}()343	return merger.Output, errc, nil344}...

vmm.go

Source:vmm.go

...190		bootOutputStop <- true191		<-bootOutputStop192		return vmimpl.BootError{Title: "no IP found", Output: bootOutput}193	}194	if err := vmimpl.WaitForSSH(inst.debug, 20*time.Minute, inst.sshhost,195		inst.sshkey, inst.sshuser, inst.os, inst.sshport, nil); err != nil {196		bootOutputStop <- true197		<-bootOutputStop198		return vmimpl.BootError{Title: err.Error(), Output: bootOutput}199	}200	bootOutputStop <- true201	<-bootOutputStop202	return nil203}204func (inst *instance) Close() {205	inst.vmctl("stop", inst.vmName, "-f")206	if inst.consolew != nil {207		inst.consolew.Close()208	}209	if inst.vmm != nil {210		inst.vmm.Process.Kill()211		inst.vmm.Wait()212	}213	inst.merger.Wait()214}215func (inst *instance) Forward(port int) (string, error) {216	octets := strings.Split(inst.sshhost, ".")217	if len(octets) < 3 {218		return "", fmt.Errorf("too few octets in hostname %v", inst.sshhost)219	}220	addr := fmt.Sprintf("%v.%v.%v.2:%v", octets[0], octets[1], octets[2], port)221	return addr, nil222}223func (inst *instance) Copy(hostSrc string) (string, error) {224	vmDst := filepath.Join("/root", filepath.Base(hostSrc))225	args := append(vmimpl.SCPArgs(inst.debug, inst.sshkey, inst.sshport),226		hostSrc, inst.sshuser+"@"+inst.sshhost+":"+vmDst)227	if inst.debug {228		log.Logf(0, "running command: scp %#v", args)229	}230	_, err := osutil.RunCmd(10*time.Minute, "", "scp", args...)231	if err != nil {232		return "", err233	}234	return vmDst, nil235}236func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command string) (237	<-chan []byte, <-chan error, error) {238	rpipe, wpipe, err := osutil.LongPipe()239	if err != nil {240		return nil, nil, err241	}242	inst.merger.Add("ssh", rpipe)243	args := append(vmimpl.SSHArgs(inst.debug, inst.sshkey, inst.sshport),244		inst.sshuser+"@"+inst.sshhost, command)245	if inst.debug {246		log.Logf(0, "running command: ssh %#v", args)247	}248	cmd := osutil.Command("ssh", args...)249	cmd.Stdout = wpipe250	cmd.Stderr = wpipe251	if err := cmd.Start(); err != nil {252		wpipe.Close()253		return nil, nil, err254	}255	wpipe.Close()256	errc := make(chan error, 1)257	signal := func(err error) {258		select {259		case errc <- err:260		default:261		}262	}263	go func() {264		select {265		case <-time.After(timeout):266			signal(vmimpl.ErrTimeout)267		case <-stop:268			signal(vmimpl.ErrTimeout)269		case err := <-inst.merger.Err:270			cmd.Process.Kill()271			if cmdErr := cmd.Wait(); cmdErr == nil {272				// If the command exited successfully, we got EOF error from merger.273				// But in this case no error has happened and the EOF is expected.274				err = nil275			}276			signal(err)277			return278		}279		cmd.Process.Kill()280		cmd.Wait()281	}()282	return inst.merger.Output, errc, nil283}284func (inst *instance) Diagnose() ([]byte, bool) {285	return vmimpl.DiagnoseOpenBSD(inst.consolew)286}287// Run the given vmctl(8) command and wait for it to finish.288func (inst *instance) vmctl(args ...string) (string, error) {289	if inst.debug {290		log.Logf(0, "running command: vmctl %#v", args)291	}292	out, err := osutil.RunCmd(time.Minute, "", "vmctl", args...)293	if err != nil {294		if inst.debug {...

isolated.go

Source:isolated.go

...136			cmd.Process.Kill()137		case <-done:138		}139	}()140	if err := cmd.Wait(); err != nil {141		close(done)142		out, _ := ioutil.ReadAll(rpipe)143		if inst.debug {144			log.Logf(0, "ssh failed: %v\n%s", err, out)145		}146		return fmt.Errorf("ssh %+v failed: %v\n%s", args, err, out)147	}148	close(done)149	if inst.debug {150		log.Logf(0, "ssh returned")151	}152	return nil153}154func (inst *instance) repair() error {155	log.Logf(2, "isolated: trying to ssh")156	if err := inst.waitForSSH(30 * time.Minute); err == nil {157		if inst.cfg.TargetReboot {158			log.Logf(2, "isolated: trying to reboot")159			inst.ssh("reboot") // reboot will return an error, ignore it160			if err := inst.waitForReboot(5 * 60); err != nil {161				log.Logf(2, "isolated: machine did not reboot")162				return err163			}164			log.Logf(2, "isolated: rebooted wait for comeback")165			if err := inst.waitForSSH(30 * time.Minute); err != nil {166				log.Logf(2, "isolated: machine did not comeback")167				return err168			}169			log.Logf(2, "isolated: reboot succeeded")170		} else {171			log.Logf(2, "isolated: ssh succeeded")172		}173	} else {174		log.Logf(2, "isolated: ssh failed")175		return fmt.Errorf("SSH failed")176	}177	return nil178}179func (inst *instance) waitForSSH(timeout time.Duration) error {180	return vmimpl.WaitForSSH(inst.debug, timeout, inst.targetAddr, inst.sshKey, inst.sshUser,181		inst.os, inst.targetPort)182}183func (inst *instance) waitForReboot(timeout int) error {184	var err error185	start := time.Now()186	for {187		if !vmimpl.SleepInterruptible(time.Second) {188			return fmt.Errorf("shutdown in progress")189		}190		// If it fails, then the reboot started191		if err = inst.ssh("pwd"); err != nil {192			return nil193		}194		if time.Since(start).Seconds() > float64(timeout) {195			break196		}197	}198	return fmt.Errorf("isolated: the machine did not reboot on repair")199}200func (inst *instance) Close() {201	close(inst.closed)202}203func (inst *instance) Copy(hostSrc string) (string, error) {204	baseName := filepath.Base(hostSrc)205	vmDst := filepath.Join(inst.cfg.TargetDir, baseName)206	inst.ssh("pkill -9 '" + baseName + "'; rm -f '" + vmDst + "'")207	args := append(vmimpl.SCPArgs(inst.debug, inst.sshKey, inst.targetPort),208		hostSrc, inst.sshUser+"@"+inst.targetAddr+":"+vmDst)209	cmd := osutil.Command("scp", args...)210	if inst.debug {211		log.Logf(0, "running command: scp %#v", args)212		cmd.Stdout = os.Stdout213		cmd.Stderr = os.Stdout214	}215	if err := cmd.Start(); err != nil {216		return "", err217	}218	done := make(chan bool)219	go func() {220		select {221		case <-time.After(3 * time.Minute):222			cmd.Process.Kill()223		case <-done:224		}225	}()226	err := cmd.Wait()227	close(done)228	if err != nil {229		return "", err230	}231	return vmDst, nil232}233func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command string) (234	<-chan []byte, <-chan error, error) {235	args := append(vmimpl.SSHArgs(inst.debug, inst.sshKey, inst.targetPort), inst.sshUser+"@"+inst.targetAddr)236	dmesg, err := vmimpl.OpenRemoteConsole("ssh", args...)237	if err != nil {238		return nil, nil, err239	}240	rpipe, wpipe, err := osutil.LongPipe()...

Wait

Using AI Code Generation

1import (2func main() {3    if err != nil {4        fmt.Println(err)5        os.Exit(1)6    }7    c, err := vim25client.NewClient(context.Background(), u)8    if err != nil {9        fmt.Println(err)10        os.Exit(1)11    }12    m := view.NewManager(c)13    f := find.NewFinder(c, true)14    v, err := m.CreateContainerView(context.Background(), f.DefaultFolder(), []string{"VirtualMachine"}, true)15    if err != nil {16        fmt.Println(err)17        os.Exit(1)18    }19    err = v.Retrieve(context.Background(), []string{"VirtualMachine"}, []string{"summary"}, &vms)20    if err != nil {21        fmt.Println(err)22        os.Exit(1)23    }24    for _, vm := range vms {25        fmt.Printf("%s: %s26        vmRef, err := f.VirtualMachine(context.Background(), vm.Summary.Config.Name)27        if err != nil {28            fmt.Println(err)29            os.Exit(1)30        }

Wait

Using AI Code Generation

1func main() {2    vm := vmimpl.NewVM()3    vm.Start()4    vm.Wait()5}6func main() {7    vm := vmimpl.NewVM()8    vm.Start()9    vm.Wait()10}11func main() {12    vm := vmimpl.NewVM()13    vm.Start()14    vm.Wait()15}16func main() {17    vm := vmimpl.NewVM()18    vm.Start()19    vm.Wait()20}21func main() {22    vm := vmimpl.NewVM()23    vm.Start()24    vm.Wait()25}26func main() {27    vm := vmimpl.NewVM()28    vm.Start()29    vm.Wait()30}31func main() {32    vm := vmimpl.NewVM()33    vm.Start()34    vm.Wait()35}36func main() {37    vm := vmimpl.NewVM()38    vm.Start()39    vm.Wait()40}41func main() {42    vm := vmimpl.NewVM()43    vm.Start()44    vm.Wait()45}46func main() {47    vm := vmimpl.NewVM()48    vm.Start()49    vm.Wait()50}51func main() {52    vm := vmimpl.NewVM()53    vm.Start()54    vm.Wait()55}56func main() {57    vm := vmimpl.NewVM()58    vm.Start()59    vm.Wait()60}61func main() {62    vm := vmimpl.NewVM()63    vm.Start()64    vm.Wait()65}

Wait

Using AI Code Generation

1import (2func main() {3	fmt.Println("main started")4	v := NewVM()5	v.Start()6	v.Wait()7	fmt.Println("main ended")8}9import (10func main() {11	fmt.Println("main started")12	v := NewVM()13	v.Start()14	v.Wait()15	fmt.Println("main ended")16}17import (18func main() {19	fmt.Println("main started")20	v := NewVM()21	v.Start()22	v.Wait()23	fmt.Println("main ended")24}25import (26func main() {27	fmt.Println("main started")28	v := NewVM()29	v.Start()30	v.Wait()31	fmt.Println("main ended")32}33import (34func main() {35	fmt.Println("main started")36	v := NewVM()37	v.Start()38	v.Wait()39	fmt.Println("main ended")40}41import (42func main() {43	fmt.Println("main started")44	v := NewVM()45	v.Start()46	v.Wait()47	fmt.Println("main ended")48}49import (50func main() {51	fmt.Println("main started")52	v := NewVM()53	v.Start()54	v.Wait()55	fmt.Println("main ended")56}57import (58func main() {59	fmt.Println("main started")60	v := NewVM()61	v.Start()62	v.Wait()63	fmt.Println("main ended")64}65import (66func main() {67	fmt.Println("main started")68	v := NewVM()69	v.Start()70	v.Wait()

Wait

Using AI Code Generation

1import (2type vmimpl struct {3}4func (v *vmimpl) Wait() {5 fmt.Println("Wait method")6}

Wait

Using AI Code Generation

1import (2func main() {3vm = new(vmimpl)4reader := bufio.NewReader(os.Stdin)5for {6fmt.Print("->")7input, _ = reader.ReadString('8input = strings.TrimSuffix(input, "9if input == "exit" {10}11if input == "create" {12vm.create()13}14if input == "start" {15vm.start()16}17if input == "stop" {18vm.stop()19}20if input == "delete" {21vm.delete()22}23if input == "list" {24vm.list()25}26}27}28import (29type vmimpl struct {30}31func (v *vmimpl) create() {32v.Lock()33fmt.Println("create")34v.Unlock()35}36func (v *vmimpl) start() {37v.Lock()38fmt.Println("start")39v.Unlock()40}41func (v *vmimpl) stop() {42v.Lock()43fmt.Println("stop")44v.Unlock()45}46func (v *vmimpl) delete() {47v.Lock()48fmt.Println("delete")49v.Unlock()50}51func (v *vmimpl) list() {52v.Lock()53fmt.Println("list")54v.Unlock()55}

Wait

Using AI Code Generation

1import (2func main() {3    fmt.Println("Hello, playground")4    vmimpl.Wait()5}6import (7func Wait() {8    fmt.Println("Hello, vmimpl")9}10import (11func TestWait(t *testing.T) {12    Wait()13}

Wait

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World!")4	time.Sleep(10 * time.Second)5}6import (7func main() {8	fmt.Println("Hello World!")9	vm := vmimpl.NewVM()10	vm.Wait()11	time.Sleep(10 * time.Second)12}13./1.go:10: cannot use vmimpl.NewVM() (type vmimpl.VM) as type VM in assignment:14        vmimpl.VM does not implement VM (missing Wait method)15./2.go:10: vm.Wait undefined (type VM has no field or method Wait)16./3.go:12: vm.Wait undefined (type vmimpl.VM has no field or method Wait)17If the package name is vmimpl, then the import path is github.com/abc/vmimpl. If the package name is vm, then the import

Wait

Using AI Code Generation

1import (2func main() {3	fmt.Println("Start")4	vm := NewVM()5	go vm.Run()6	time.Sleep(time.Second)7	vm.Stop()8	fmt.Println("Stop")9}10import (11type VMImpl struct {12}13func NewVM() *VMImpl {14	return &VMImpl{}15}16func (v *VMImpl) Run() {17	for v.running {18		fmt.Println("Running")19		time.Sleep(time.Second)20	}21}22func (v *VMImpl) Stop() {23}24type VM interface {25	Run()26	Stop()27}28import (29type VMImpl struct {30}31func NewVM() *VMImpl {32	return &VMImpl{33		stop: make(chan bool),34	}35}36func (v *VMImpl) Run() {37	for v.running {38		select {39			fmt.Println("Running")40			time.Sleep(time.Second)41		}42	}43}44func (v *VMImpl) Stop() {45}

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