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How to use Close method of adb Package

Best Syzkaller code snippet using adb.Close

adb.go

Source:adb.go

...83	}84	closeInst := inst85	defer func() {86		if closeInst != nil {87			closeInst.Close()88		}89	}()90	if err := inst.repair(); err != nil {91		return nil, err92	}93	inst.console = findConsole(inst.adbBin, inst.device)94	if pool.cfg.BatteryCheck {95		if err := inst.checkBatteryLevel(); err != nil {96			return nil, err97		}98	}99	// Remove temp files from previous runs.100	if _, err := inst.adb("shell", "rm -Rf /data/syzkaller*"); err != nil {101		return nil, err102	}103	inst.adb("shell", "echo 0 > /proc/sys/kernel/kptr_restrict")104	closeInst = nil105	return inst, nil106}107var (108	consoleCacheMu sync.Mutex109	consoleToDev   = make(map[string]string)110	devToConsole   = make(map[string]string)111)112// findConsole returns console file associated with the dev device (e.g. /dev/ttyUSB0).113// This code was tested with Suzy-Q and Android Serial Cable (ASC). For Suzy-Q see:114// https://chromium.googlesource.com/chromiumos/platform/ec/+/master/docs/case_closed_debugging.md115// The difference between Suzy-Q and ASC is that ASC is a separate cable,116// so it is not possible to match USB bus/port used by adb with the serial console device;117// while Suzy-Q console uses the same USB calbe as adb.118// The overall idea is as follows. We use 'adb shell' to write a unique string onto console,119// then we read from all console devices and see on what console the unique string appears.120func findConsole(adb, dev string) string {121	consoleCacheMu.Lock()122	defer consoleCacheMu.Unlock()123	if con := devToConsole[dev]; con != "" {124		return con125	}126	con, err := findConsoleImpl(adb, dev)127	if err != nil {128		log.Logf(0, "failed to associate adb device %v with console: %v", dev, err)129		log.Logf(0, "falling back to 'adb shell dmesg -w'")130		log.Logf(0, "note: some bugs may be detected as 'lost connection to test machine' with no kernel output")131		con = "adb"132		devToConsole[dev] = con133		return con134	}135	devToConsole[dev] = con136	consoleToDev[con] = dev137	log.Logf(0, "associating adb device %v with console %v", dev, con)138	return con139}140func findConsoleImpl(adb, dev string) (string, error) {141	// Attempt to find an exact match, at /dev/ttyUSB.{SERIAL}142	// This is something that can be set up on Linux via 'udev' rules143	exactCon := "/dev/ttyUSB." + dev144	if osutil.IsExist(exactCon) {145		return exactCon, nil146	}147	// Search all consoles, as described in 'findConsole'148	consoles, err := filepath.Glob("/dev/ttyUSB*")149	if err != nil {150		return "", fmt.Errorf("failed to list /dev/ttyUSB devices: %v", err)151	}152	output := make(map[string]*[]byte)153	errors := make(chan error, len(consoles))154	done := make(chan bool)155	for _, con := range consoles {156		if consoleToDev[con] != "" {157			continue158		}159		out := new([]byte)160		output[con] = out161		go func(con string) {162			tty, err := vmimpl.OpenConsole(con)163			if err != nil {164				errors <- err165				return166			}167			defer tty.Close()168			go func() {169				<-done170				tty.Close()171			}()172			*out, _ = ioutil.ReadAll(tty)173			errors <- nil174		}(con)175	}176	if len(output) == 0 {177		return "", fmt.Errorf("no unassociated console devices left")178	}179	time.Sleep(500 * time.Millisecond)180	unique := fmt.Sprintf(">>>%v<<<", dev)181	cmd := osutil.Command(adb, "-s", dev, "shell", "echo", "\"<1>", unique, "\"", ">", "/dev/kmsg")182	if out, err := cmd.CombinedOutput(); err != nil {183		return "", fmt.Errorf("failed to run adb shell: %v\n%s", err, out)184	}185	time.Sleep(500 * time.Millisecond)186	close(done)187	var anyErr error188	for range output {189		err := <-errors190		if anyErr == nil && err != nil {191			anyErr = err192		}193	}194	con := ""195	for con1, out := range output {196		if bytes.Contains(*out, []byte(unique)) {197			if con == "" {198				con = con1199			} else {200				anyErr = fmt.Errorf("device is associated with several consoles: %v and %v", con, con1)201			}202		}203	}204	if con == "" {205		if anyErr != nil {206			return "", anyErr207		}208		return "", fmt.Errorf("no console is associated with this device")209	}210	return con, nil211}212func (inst *instance) Forward(port int) (string, error) {213	var err error214	for i := 0; i < 1000; i++ {215		devicePort := vmimpl.RandomPort()216		_, err = inst.adb("reverse", fmt.Sprintf("tcp:%v", devicePort), fmt.Sprintf("tcp:%v", port))217		if err == nil {218			return fmt.Sprintf("127.0.0.1:%v", devicePort), nil219		}220	}221	return "", err222}223func (inst *instance) adb(args ...string) ([]byte, error) {224	if inst.debug {225		log.Logf(0, "executing adb %+v", args)226	}227	args = append([]string{"-s", inst.device}, args...)228	out, err := osutil.RunCmd(time.Minute, "", inst.adbBin, args...)229	if inst.debug {230		log.Logf(0, "adb returned")231	}232	return out, err233}234func (inst *instance) repair() error {235	// Assume that the device is in a bad state initially and reboot it.236	// Ignore errors, maybe we will manage to reboot it anyway.237	inst.waitForSSH()238	// History: adb reboot episodically hangs, so we used a more reliable way:239	// using syz-executor to issue reboot syscall. However, this has stopped240	// working, probably due to the introduction of seccomp. Therefore,241	// we revert this to `adb shell reboot` in the meantime, until a more242	// reliable solution can be sought out.243	if _, err := inst.adb("shell", "reboot"); err != nil {244		return err245	}246	// Now give it another 5 minutes to boot.247	if !vmimpl.SleepInterruptible(10 * time.Second) {248		return fmt.Errorf("shutdown in progress")249	}250	if err := inst.waitForSSH(); err != nil {251		return err252	}253	// Switch to root for userdebug builds.254	inst.adb("root")255	return inst.waitForSSH()256}257func (inst *instance) waitForSSH() error {258	var err error259	for i := 0; i < 300; i++ {260		if !vmimpl.SleepInterruptible(time.Second) {261			return fmt.Errorf("shutdown in progress")262		}263		if _, err = inst.adb("shell", "pwd"); err == nil {264			return nil265		}266	}267	return fmt.Errorf("instance is dead and unrepairable: %v", err)268}269func (inst *instance) checkBatteryLevel() error {270	const (271		minLevel      = 20272		requiredLevel = 30273	)274	val, err := inst.getBatteryLevel(30)275	if err != nil {276		return err277	}278	if val >= minLevel {279		log.Logf(0, "device %v: battery level %v%%, OK", inst.device, val)280		return nil281	}282	for {283		log.Logf(0, "device %v: battery level %v%%, waiting for %v%%", inst.device, val, requiredLevel)284		if !vmimpl.SleepInterruptible(time.Minute) {285			return nil286		}287		val, err = inst.getBatteryLevel(0)288		if err != nil {289			return err290		}291		if val >= requiredLevel {292			break293		}294	}295	return nil296}297func (inst *instance) getBatteryLevel(numRetry int) (int, error) {298	out, err := inst.adb("shell", "dumpsys battery | grep level:")299	// allow for retrying for devices that does not boot up so fast300	for ; numRetry >= 0 && err != nil; numRetry-- {301		if numRetry > 0 {302			// sleep for 5 seconds before retrying303			time.Sleep(5 * time.Second)304			out, err = inst.adb("shell", "dumpsys battery | grep level:")305		}306	}307	if err != nil {308		return 0, err309	}310	val := 0311	for _, c := range out {312		if c >= '0' && c <= '9' {313			val = val*10 + int(c) - '0'314			continue315		}316		if val != 0 {317			break318		}319	}320	if val == 0 {321		return 0, fmt.Errorf("failed to parse 'dumpsys battery' output: %s", out)322	}323	return val, nil324}325func (inst *instance) Close() {326	close(inst.closed)327}328func (inst *instance) Copy(hostSrc string) (string, error) {329	vmDst := filepath.Join("/data", filepath.Base(hostSrc))330	if _, err := inst.adb("push", hostSrc, vmDst); err != nil {331		return "", err332	}333	return vmDst, nil334}335func (inst *instance) Run(timeout time.Duration, stop <-chan bool, command string) (336	<-chan []byte, <-chan error, error) {337	var tty io.ReadCloser338	var err error339	if inst.console == "adb" {340		tty, err = vmimpl.OpenAdbConsole(inst.adbBin, inst.device)341	} else {342		tty, err = vmimpl.OpenConsole(inst.console)343	}344	if err != nil {345		return nil, nil, err346	}347	adbRpipe, adbWpipe, err := osutil.LongPipe()348	if err != nil {349		tty.Close()350		return nil, nil, err351	}352	if inst.debug {353		log.Logf(0, "starting: adb shell %v", command)354	}355	adb := osutil.Command(inst.adbBin, "-s", inst.device, "shell", "cd /data; "+command)356	adb.Stdout = adbWpipe357	adb.Stderr = adbWpipe358	if err := adb.Start(); err != nil {359		tty.Close()360		adbRpipe.Close()361		adbWpipe.Close()362		return nil, nil, fmt.Errorf("failed to start adb: %v", err)363	}364	adbWpipe.Close()365	var tee io.Writer366	if inst.debug {367		tee = os.Stdout368	}369	merger := vmimpl.NewOutputMerger(tee)370	merger.Add("console", tty)371	merger.Add("adb", adbRpipe)372	return vmimpl.Multiplex(adb, merger, tty, timeout, stop, inst.closed, inst.debug)373}374func (inst *instance) Diagnose() ([]byte, bool) {375	return nil, false376}...

Using AI Code Generation

1import (2func main() {3    orm.RegisterDataBase("default", "mysql", "root:@/test?charset=utf8", 30)4    orm.RegisterModel(new(User))5    orm.RunSyncdb("default", false, true)6    o := orm.NewOrm()7    user := User{Name: "slene"}8    id, err := o.Insert(&user)9    fmt.Printf("ID: %d, ERR: %v10    num, err := o.Update(&user)11    fmt.Printf("NUM: %d, ERR: %v12    u := User{Id: user.Id}13    err = o.Read(&u)14    fmt.Printf("ERR: %v15    num, err = o.Delete(&u)16    fmt.Printf("NUM: %d, ERR: %v17}18type User struct {19    Name string `orm:"size(100)"`20}

Using AI Code Generation

1import (2func main() {3	file, err := os.Open("test.txt")4	if err != nil {5		fmt.Println(err)6	}7	defer file.Close()8}9import (10func main() {11	file, err := os.Open("test.txt")12	if err != nil {13		fmt.Println(err)14	}15	defer file.Close()16}17import (18func main() {19	file, err := os.Open("test.txt")20	if err != nil {21		fmt.Println(err)22	}23	defer file.Close()24}25import (26func main() {27	file, err := os.Open("test.txt")28	if err != nil {29		fmt.Println(err)30	}31	defer file.Close()32}33import (34func main() {35	file, err := os.Open("test.txt")36	if err != nil {37		fmt.Println(err)38	}39	defer file.Close()40}41import (42func main() {43	file, err := os.Open("test.txt")44	if err != nil {45		fmt.Println(err)46	}47	defer file.Close()48}49import (50func main() {51	file, err := os.Open("test.txt")52	if err != nil {53		fmt.Println(err)54	}55	defer file.Close()56}57import (58func main() {59	file, err := os.Open("test.txt")60	if err != nil {61		fmt.Println(err)62	}63	defer file.Close()64}

Using AI Code Generation

1import (2func main() {3	adb := exec.Command("adb", "devices")4	err := adb.Run()5	if err != nil {6		log.Fatal(err)7	}8}9import (10func main() {11	adb := exec.Command("adb", "devices")12	err := adb.Run()13	if err != nil {14		log.Fatal(err)15	}16}17import (18func main() {19	adb := exec.Command("adb", "devices")20	err := adb.Run()21	if err != nil {22		log.Fatal(err)23	}24}25import (26func main() {27	adb := exec.Command("adb", "devices")28	err := adb.Run()29	if err != nil {30		log.Fatal(err)31	}32}33import (34func main() {35	adb := exec.Command("adb", "devices")36	err := adb.Run()37	if err != nil {38		log.Fatal(err)39	}40}41import (42func main() {43	adb := exec.Command("adb", "devices")44	err := adb.Run()45	if err != nil {46		log.Fatal(err)47	}48}49import (50func main() {51	adb := exec.Command("adb", "devices")52	err := adb.Run()53	if err != nil {54		log.Fatal(err)55	}56}

Using AI Code Generation

1import (2func main() {3    err := ui.Main(func() {4        adb := ui.NewADB("adb")5        adb.Close()6        fmt.Println("adb closed")7    })8    if err != nil {9        panic(err)10    }11}12I am trying to use the Close() method of adb class. But it is not working. I am getting this error13github.com/andlabs/ui.(*ADB).Close(0x0)14main.main()15github.com/andlabs/ui.(*ADB).Close(0x0)16main.main()17import (18func main() {19    err := ui.Main(func() {20        adb := ui.NewADB("adb")21        fmt.Println(adb.Close())22    })23    if err != nil {24        panic(err)25    }26}

Using AI Code Generation

1import "fmt"2func main() {3  a1 = Phone{"Nokia"}4  a1.close()5  a1 = Camera{"Sony"}6  a1.close()7}8import "fmt"9func main() {10  a1 := Phone{"Nokia"}11  a1.close()12  a1 = Camera{"Sony"}13  a1.close()14}15import "fmt"16func main() {17  a1 = Phone{"Nokia"}18  closeDevice(a1)19  a1 = Camera{"Sony"}20  closeDevice(a1)21}22func closeDevice(a adb) {23  a.close()24}25import "fmt"26func main() {27  a1 = Phone{"Nokia"}28  closeDevice(a1)29  a1 = Camera{"Sony"}30  closeDevice(a1)31}32func closeDevice(a adb) {33  a.close()34}35func closeDevice2(a2 adb2) {36  a2.close()37}38import "fmt"39func main() {40  a1 = Phone{"Nokia"}41  closeDevice(a1)42  a1 = Camera{"Sony"}43  closeDevice(a1)44}45func closeDevice(a adb) {46  a.close()47}48func closeDevice2(a2 adb2) {49  a2.close()50}51func openDevice() adb {52  return Phone{"Nokia"}53}54import "fmt"55func main() {56  a1 = Phone{"Nokia"}57  closeDevice(a1)58  a1 = Camera{"Sony"}

Using AI Code Generation

1import (2func main() {3	a := adb.New()4	a.Connect()5	fmt.Println(a.Close())6}7import (8func main() {9	a := adb.New()10	a.Connect()11	fmt.Println(a.GetSerialNo())12}13import (14func main() {15	a := adb.New()16	a.Connect()17	fmt.Println(a.GetState())18}19import (20func main() {21	a := adb.New()22	a.Connect()23	fmt.Println(a.GetProduct())24}25import (26func main() {27	a := adb.New()28	a.Connect()29	fmt.Println(a.GetModel())30}31import (32func main() {33	a := adb.New()34	a.Connect()35	fmt.Println(a.GetDevice())36}37import (38func main() {39	a := adb.New()40	a.Connect()41	fmt.Println(a.GetProduct())42}43import (44func main() {45	a := adb.New()46	a.Connect()47	fmt.Println(a.GetDevice())48}49import (50func main() {51	a := adb.New()52	a.Connect()53	fmt.Println(a.GetProduct())54}55import (56func main() {57	a := adb.New()58	a.Connect()

Using AI Code Generation

1import "fmt"2import "github.com/krishnakumarkp/adb"3func main() {4    fmt.Println("Hello, world.")5    adb := adb.Adb{}6    adb.Close()7}8import "fmt"9import "github.com/krishnakumarkp/adb"10func main() {11    fmt.Println("Hello, world.")12    adb := adb.Adb{}13    adb.Close()14}15import "fmt"16import "github.com/krishnakumarkp/adb"17func main() {18    fmt.Println("Hello, world.")19    adb := adb.Adb{}20    adb.Close()21}22import "fmt"23import "github.com/krishnakumarkp/adb"24func main() {25    fmt.Println("Hello, world.")26    adb := adb.Adb{}27    adb.Close()28}29import "fmt"30import "github.com/krishnakumarkp/adb"31func main() {32    fmt.Println("Hello, world.")33    adb := adb.Adb{}34    adb.Close()35}36import "fmt"37import "github.com/krishnakumarkp/adb"38func main() {39    fmt.Println("Hello, world.")40    adb := adb.Adb{}41    adb.Close()42}43import "fmt"44import "github.com/krishnakumarkp/adb"45func main() {46    fmt.Println("Hello, world.")47    adb := adb.Adb{}48    adb.Close()49}50import "fmt"51import "github.com/krishnakumarkp/adb"52func main() {53    fmt.Println("Hello, world.")54    adb := adb.Adb{}55    adb.Close()56}

Using AI Code Generation

1import "fmt"2func main() {3    fmt.Println("Hello, playground")4    a := adb{1, "samsung"}5    a.close()6}7import "fmt"8func main() {9    fmt.Println("Hello, playground")10    a := adb{1, "samsung"}11    a.close()12}13import "fmt"14func main() {15    fmt.Println("Hello, playground")16    a := adb{1, "samsung"}17    a.close()18}19import "fmt"20func main() {21    fmt.Println("Hello, playground")22    a := adb{1, "samsung"}23    a.close()24}25import "fmt"26func main() {27    fmt.Println("Hello, playground")28    a := adb{1, "samsung"}29    a.close()30}31import "fmt"32func main() {33    fmt.Println("Hello, playground")34    a := adb{1, "samsung"}35    a.close()36}37import "fmt"38func main() {39    fmt.Println("Hello, playground")40    a := adb{1, "samsung"}41    a.close()42}43import "fmt"44func main() {45    fmt.Println("Hello, playground")46    a := adb{1, "samsung"}47    a.close()48}49import "fmt"50func main() {51    fmt.Println("Hello, playground")52    a := adb{1, "samsung"}53    a.close()54}55import "fmt"56func main() {57    fmt.Println("Hello, playground")58    a := adb{1, "samsung"}

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