How to use Swap method of dashapi Package

Best Syzkaller code snippet using dashapi.Swap

reporting.go

Source:reporting.go

...535// bugReportSorter sorts bugs by priority we want to report them.536// E.g. we want to report bugs with reproducers before bugs without reproducers.537type bugReportSorter []*Bug538func (a bugReportSorter) Len() int      { return len(a) }539func (a bugReportSorter) Swap(i, j int) { a[i], a[j] = a[j], a[i] }540func (a bugReportSorter) Less(i, j int) bool {541	if a[i].ReproLevel != a[j].ReproLevel {542		return a[i].ReproLevel > a[j].ReproLevel543	}544	if a[i].HasReport != a[j].HasReport {545		return a[i].HasReport546	}547	if a[i].NumCrashes != a[j].NumCrashes {548		return a[i].NumCrashes > a[j].NumCrashes549	}550	return a[i].FirstTime.Before(a[j].FirstTime)551}...

entities.go

Source:entities.go

1// Copyright 2017 syzkaller project authors. All rights reserved.2// Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.3package dash4import (5	"fmt"6	"regexp"7	"strconv"8	"time"9	"github.com/google/syzkaller/dashboard/dashapi"10	"github.com/google/syzkaller/pkg/hash"11	"golang.org/x/net/context"12	"google.golang.org/appengine/datastore"13)14// This file contains definitions of entities stored in datastore.15const (16	maxTextLen   = 20017	MaxStringLen = 102418	maxCrashes = 4019)20type Manager struct {21	Namespace      string22	Name           string23	Link           string24	CurrentBuild   string25	FailedBuildBug string26	LastAlive      time.Time27	CurrentUpTime  time.Duration28}29// ManagerStats holds per-day manager runtime stats.30// Has Manager as parent entity. Keyed by Date.31type ManagerStats struct {32	Date             int // YYYYMMDD33	MaxCorpus        int6434	MaxCover         int6435	TotalFuzzingTime time.Duration36	TotalCrashes     int6437	TotalExecs       int6438}39type Build struct {40	Namespace         string41	Manager           string42	ID                string // unique ID generated by syz-ci43	Type              BuildType44	Time              time.Time45	OS                string46	Arch              string47	VMArch            string48	SyzkallerCommit   string49	CompilerID        string50	KernelRepo        string51	KernelBranch      string52	KernelCommit      string53	KernelCommitTitle string    `datastore:",noindex"`54	KernelCommitDate  time.Time `datastore:",noindex"`55	KernelConfig      int64     // reference to KernelConfig text entity56}57type Bug struct {58	Namespace      string59	Seq            int64 // sequences of the bug with the same title60	Title          string61	Status         int62	DupOf          string63	NumCrashes     int6464	NumRepro       int6465	ReproLevel     dashapi.ReproLevel66	HasReport      bool67	FirstTime      time.Time68	LastTime       time.Time69	LastSavedCrash time.Time70	LastReproTime  time.Time71	Closed         time.Time72	Reporting      []BugReporting73	Commits        []string74	HappenedOn     []string `datastore:",noindex"` // list of managers75	PatchedOn      []string `datastore:",noindex"` // list of managers76}77type BugReporting struct {78	Name       string // refers to Reporting.Name79	ID         string // unique ID per BUG/BugReporting used in commucation with external systems80	ExtID      string // arbitrary reporting ID that is passed back in dashapi.BugReport81	Link       string82	CC         string // additional emails added to CC list (|-delimited list)83	CrashID    int64  // crash that we've last reported in this reporting84	ReproLevel dashapi.ReproLevel85	Reported   time.Time86	Closed     time.Time87}88type Crash struct {89	Manager     string90	BuildID     string91	Time        time.Time92	Reported    time.Time // set if this crash was ever reported93	Maintainers []string  `datastore:",noindex"`94	Log         int64     // reference to CrashLog text entity95	Report      int64     // reference to CrashReport text entity96	ReproOpts   []byte    `datastore:",noindex"`97	ReproSyz    int64     // reference to ReproSyz text entity98	ReproC      int64     // reference to ReproC text entity99	// Custom crash priority for reporting (greater values are higher priority).100	// For example, a crash in mainline kernel has higher priority than a crash in a side branch.101	// For historical reasons this is called ReportLen.102	ReportLen int64103}104// ReportingState holds dynamic info associated with reporting.105type ReportingState struct {106	Entries []ReportingStateEntry107}108type ReportingStateEntry struct {109	Namespace string110	Name      string111	// Current reporting quota consumption.112	Sent int113	Date int // YYYYMMDD114}115// Job represent a single patch testing job for syz-ci.116// Later we may want to extend this to other types of jobs (hense the generic name):117//   - test of a committed fix118//   - reproduce crash119//   - test that crash still happens on HEAD120//   - crash bisect121// Job has Bug as parent entity.122type Job struct {123	Created   time.Time124	User      string125	CC        []string126	Reporting string127	ExtID     string // email Message-ID128	Link      string // web link for the job (e.g. email in the group)129	Namespace string130	Manager   string131	BugTitle  string132	CrashID   int64133	// Provided by user:134	KernelRepo   string135	KernelBranch string136	Patch        int64 // reference to Patch text entity137	Attempts int // number of times we tried to execute this job138	Started  time.Time139	Finished time.Time // if set, job is finished140	// Result of execution:141	CrashTitle  string // if empty, we did not hit crash during testing142	CrashLog    int64  // reference to CrashLog text entity143	CrashReport int64  // reference to CrashReport text entity144	BuildID     string145	Error       int64 // reference to Error text entity, if set job failed146	Reported bool // have we reported result back to user?147}148// Text holds text blobs (crash logs, reports, reproducers, etc).149type Text struct {150	Namespace string151	Text      []byte `datastore:",noindex"` // gzip-compressed text152}153const (154	textCrashLog     = "CrashLog"155	textCrashReport  = "CrashReport"156	textReproSyz     = "ReproSyz"157	textReproC       = "ReproC"158	textKernelConfig = "KernelConfig"159	textPatch        = "Patch"160	textError        = "Error"161)162const (163	BugStatusOpen = iota164)165const (166	BugStatusFixed = 1000 + iota167	BugStatusInvalid168	BugStatusDup169)170const (171	ReproLevelNone = dashapi.ReproLevelNone172	ReproLevelSyz  = dashapi.ReproLevelSyz173	ReproLevelC    = dashapi.ReproLevelC174)175type BuildType int176const (177	BuildNormal BuildType = iota178	BuildFailed179	BuildJob180)181// updateManager does transactional compare-and-swap on the manager and its current stats.182func updateManager(c context.Context, ns, name string, fn func(mgr *Manager, stats *ManagerStats)) error {183	date := timeDate(timeNow(c))184	tx := func(c context.Context) error {185		mgr := new(Manager)186		mgrKey := datastore.NewKey(c, "Manager", fmt.Sprintf("%v-%v", ns, name), 0, nil)187		if err := datastore.Get(c, mgrKey, mgr); err != nil {188			if err != datastore.ErrNoSuchEntity {189				return fmt.Errorf("failed to get manager %v/%v: %v", ns, name, err)190			}191			mgr = &Manager{192				Namespace: ns,193				Name:      name,194			}195		}196		stats := new(ManagerStats)197		statsKey := datastore.NewKey(c, "ManagerStats", "", int64(date), mgrKey)198		if err := datastore.Get(c, statsKey, stats); err != nil {199			if err != datastore.ErrNoSuchEntity {200				return fmt.Errorf("failed to get stats %v/%v/%v: %v", ns, name, date, err)201			}202			stats = &ManagerStats{203				Date: date,204			}205		}206		fn(mgr, stats)207		if _, err := datastore.Put(c, mgrKey, mgr); err != nil {208			return fmt.Errorf("failed to put manager: %v", err)209		}210		if _, err := datastore.Put(c, statsKey, stats); err != nil {211			return fmt.Errorf("failed to put manager stats: %v", err)212		}213		return nil214	}215	return datastore.RunInTransaction(c, tx, &datastore.TransactionOptions{Attempts: 10})216}217func loadAllManagers(c context.Context) ([]*Manager, []*datastore.Key, error) {218	var managers []*Manager219	keys, err := datastore.NewQuery("Manager").220		GetAll(c, &managers)221	if err != nil {222		return nil, nil, fmt.Errorf("failed to query managers: %v", err)223	}224	var result []*Manager225	var resultKeys []*datastore.Key226	for i, mgr := range managers {227		if config.Namespaces[mgr.Namespace].Managers[mgr.Name].Decommissioned {228			continue229		}230		result = append(result, mgr)231		resultKeys = append(resultKeys, keys[i])232	}233	return result, resultKeys, nil234}235func buildKey(c context.Context, ns, id string) *datastore.Key {236	if ns == "" {237		panic("requesting build key outside of namespace")238	}239	h := hash.String([]byte(fmt.Sprintf("%v-%v", ns, id)))240	return datastore.NewKey(c, "Build", h, 0, nil)241}242func loadBuild(c context.Context, ns, id string) (*Build, error) {243	build := new(Build)244	if err := datastore.Get(c, buildKey(c, ns, id), build); err != nil {245		if err == datastore.ErrNoSuchEntity {246			return nil, fmt.Errorf("unknown build %v/%v", ns, id)247		}248		return nil, fmt.Errorf("failed to get build %v/%v: %v", ns, id, err)249	}250	return build, nil251}252func lastManagerBuild(c context.Context, ns, manager string) (*Build, error) {253	var builds []*Build254	_, err := datastore.NewQuery("Build").255		Filter("Namespace=", ns).256		Filter("Manager=", manager).257		Filter("Type=", BuildNormal).258		Order("-Time").259		Limit(1).260		GetAll(c, &builds)261	if err != nil {262		return nil, fmt.Errorf("failed to fetch manager build: %v", err)263	}264	if len(builds) == 0 {265		return nil, fmt.Errorf("failed to fetch manager build: no builds")266	}267	return builds[0], nil268}269func (bug *Bug) displayTitle() string {270	if bug.Seq == 0 {271		return bug.Title272	}273	return fmt.Sprintf("%v (%v)", bug.Title, bug.Seq+1)274}275var displayTitleRe = regexp.MustCompile(`^(.*) \(([0-9]+)\)$`)276func splitDisplayTitle(display string) (string, int64, error) {277	match := displayTitleRe.FindStringSubmatchIndex(display)278	if match == nil {279		return display, 0, nil280	}281	title := display[match[2]:match[3]]282	seqStr := display[match[4]:match[5]]283	seq, err := strconv.ParseInt(seqStr, 10, 64)284	if err != nil {285		return "", 0, fmt.Errorf("failed to parse bug title: %v", err)286	}287	if seq <= 0 || seq > 1e6 {288		return "", 0, fmt.Errorf("failed to parse bug title: seq=%v", seq)289	}290	return title, seq - 1, nil291}292func canonicalBug(c context.Context, bug *Bug) (*Bug, error) {293	for {294		if bug.Status != BugStatusDup {295			return bug, nil296		}297		canon := new(Bug)298		bugKey := datastore.NewKey(c, "Bug", bug.DupOf, 0, nil)299		if err := datastore.Get(c, bugKey, canon); err != nil {300			return nil, fmt.Errorf("failed to get dup bug %q for %q: %v",301				bug.DupOf, bugKeyHash(bug.Namespace, bug.Title, bug.Seq), err)302		}303		bug = canon304	}305}306func bugKeyHash(ns, title string, seq int64) string {307	return hash.String([]byte(fmt.Sprintf("%v-%v-%v-%v", config.Namespaces[ns].Key, ns, title, seq)))308}309func bugReportingHash(bugHash, reporting string) string {310	// Since these IDs appear in Reported-by tags in commit, we slightly limit their size.311	const hashLen = 20312	return hash.String([]byte(fmt.Sprintf("%v-%v", bugHash, reporting)))[:hashLen]313}314func kernelRepoInfo(build *Build) KernelRepo {315	return kernelRepoInfoRaw(build.KernelRepo, build.KernelBranch)316}317func kernelRepoInfoRaw(repo, branch string) KernelRepo {318	repoID := repo319	if branch != "" {320		repoID += "/" + branch321	}322	info := config.KernelRepos[repoID]323	if info.Alias == "" {324		info.Alias = repoID325	}326	return info327}328func textLink(tag string, id int64) string {329	if id == 0 {330		return ""331	}332	return fmt.Sprintf("/text?tag=%v&x=%v", tag, strconv.FormatUint(uint64(id), 16))333}334// timeDate returns t's date as a single int YYYYMMDD.335func timeDate(t time.Time) int {336	year, month, day := t.Date()337	return year*10000 + int(month)*100 + day338}...

Swap

Using AI Code Generation

1import (2func main() {3	err := ui.Main(func() {4		button := ui.NewButton("Swap")5		label := ui.NewLabel("Hello World!")6		box := ui.NewVerticalBox()7		box.Append(button, false)8		box.Append(label, false)9		window := ui.NewWindow("Hello World!", 200, 100, false)10		window.SetChild(box)11		button.OnClicked(func(*ui.Button) {12			label.SetText("Hello World! 2")13		})14		window.Show()15	})16	if err != nil {17		panic(err)18	}19}20import (21func main() {22	err := ui.Main(func() {23		button := ui.NewButton("Swap")24		label := ui.NewLabel("Hello World!")25		box := ui.NewVerticalBox()26		box.Append(button, false)27		box.Append(label, false)28		window := ui.NewWindow("Hello World!", 200, 100, false)29		window.SetChild(box)30		button.OnClicked(func(*ui.Button) {31			label.SetText("Hello World! 2")32		})33		window.Show()34	})35	if err != nil {36		panic(err)37	}38}39import (40func main() {41	err := ui.Main(func() {42		button := ui.NewButton("Swap")43		label := ui.NewLabel("Hello World!")

Swap

Using AI Code Generation

1import (2func main() {3    fmt.Println("Enter 2 numbers to swap:")4    fmt.Scanln(&a,&b)5    dashapi.Swap(a,b)6}7import (8func Swap(a,b int) {9    fmt.Println("Before swap a=",a,"b=",b)10    fmt.Println("After swap a=",a,"b=",b)11}12import (13func TestSwap(t *testing.T) {14    Swap(10,20)15}16import (17func BenchmarkSwap(b *testing.B) {18    for i := 0; i < b.N; i++ {19        Swap(10,20)20    }21}22import (23func ExampleSwap() {24    Swap(10,20)25}26import (27func ExampleSwap() {28    Swap(10,20)29}30import (31func ExampleSwap() {32    Swap(10,20)33}34import (35func ExampleSwap() {36    Swap(10,20)

Swap

Using AI Code Generation

1import (2func main() {3	c := cron.New()4	c.AddFunc("*/5 * * * *", func() {5		t := time.Now()6		h := t.Hour()7		m := t.Minute()8		hour := strconv.Itoa(h)9		minute := strconv.Itoa(m)10		d := t.Date()11		month := t.Month()12		year := t.Year()13		day := strconv.Itoa(d)14		month1 := strconv.Itoa(int(month))15		year1 := strconv.Itoa(year)16		out, err := exec.Command("bash", "-c", "dash-cli swapstatus").Output()17		if err != nil {18			log.Fatal(err)19		}20		output := string(out[:])21		split := strings.Split(output, "22		length := len(split)23		for i := 0; i < length; i++ {24			if strings.Contains(element, dt) {

Swap

Using AI Code Generation

1import (2func main() {3	fmt.Println("Swapping two values")4	fmt.Println("Enter 1st value")5	fmt.Scanln(&a)6	fmt.Println("Enter 2nd value")7	fmt.Scanln(&b)8	fmt.Println("Value before swapping")9	fmt.Println("a =", a, "b =", b)10	dashapi.Swap(&a, &b)11	fmt.Println("Value after swapping")12	fmt.Println("a =", a, "b =", b)13}

Swap

Using AI Code Generation

1import "fmt"2import "github.com/udhos/dashapi"3func main() {4    fmt.Println("Go: Swap")5    dashapi.Swap(2,4)6}7void Swap(int a, int b) {8    printf("Swap: %d %d9", b, a);10}11import "fmt"12import "github.com/udhos/dashapi"13func main() {14    fmt.Println("Go: Swap")15    dashapi.Swap(2,4)16}17void Swap(int a, int b) {18    printf("Swap: %d %d19", b, a);20}21import "fmt"22import "github.com/udhos/dashapi"

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