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How to use init method of host Package

Best Syzkaller code snippet using host.init

handshake.go

Source:handshake.go

...257		// we have completed the key exchange. Since the258		// reader is still blocked, it is safe to clear out259		// the requestKex channel. This avoids the situation260		// where: 1) we consumed our own request for the261		// initial kex, and 2) the kex from the remote side262		// caused another send on the requestKex channel,263	clear:264		for {265			select {266			case <-t.requestKex:267				//268			default:269				break clear270			}271		}272		request.done <- t.writeError273		// kex finished. Push packets that we received while274		// the kex was in progress. Don't look at t.startKex275		// and don't increment writtenSinceKex: if we trigger276		// another kex while we are still busy with the last277		// one, things will become very confusing.278		for _, p := range t.pendingPackets {279			t.writeError = t.pushPacket(p)280			if t.writeError != nil {281				break282			}283		}284		t.pendingPackets = t.pendingPackets[:0]285		t.mu.Unlock()286	}287	// drain startKex channel. We don't service t.requestKex288	// because nobody does blocking sends there.289	go func() {290		for init := range t.startKex {291			init.done <- t.writeError292		}293	}()294	// Unblock reader.295	t.conn.Close()296}297// The protocol uses uint32 for packet counters, so we can't let them298// reach 1<<32.  We will actually read and write more packets than299// this, though: the other side may send more packets, and after we300// hit this limit on writing we will send a few more packets for the301// key exchange itself.302const packetRekeyThreshold = (1 << 31)303func (t *handshakeTransport) resetReadThresholds() {304	t.readPacketsLeft = packetRekeyThreshold305	if t.config.RekeyThreshold > 0 {306		t.readBytesLeft = int64(t.config.RekeyThreshold)307	} else if t.algorithms != nil {308		t.readBytesLeft = t.algorithms.r.rekeyBytes()309	} else {310		t.readBytesLeft = 1 << 30311	}312}313func (t *handshakeTransport) readOnePacket(first bool) ([]byte, error) {314	p, err := t.conn.readPacket()315	if err != nil {316		return nil, err317	}318	if t.readPacketsLeft > 0 {319		t.readPacketsLeft--320	} else {321		t.requestKeyExchange()322	}323	if t.readBytesLeft > 0 {324		t.readBytesLeft -= int64(len(p))325	} else {326		t.requestKeyExchange()327	}328	if debugHandshake {329		t.printPacket(p, false)330	}331	if first && p[0] != msgKexInit {332		return nil, fmt.Errorf("ssh: first packet should be msgKexInit")333	}334	if p[0] != msgKexInit {335		return p, nil336	}337	firstKex := t.sessionID == nil338	kex := pendingKex{339		done:      make(chan error, 1),340		otherInit: p,341	}342	t.startKex <- &kex343	err = <-kex.done344	if debugHandshake {345		log.Printf("%s exited key exchange (first %v), err %v", t.id(), firstKex, err)346	}347	if err != nil {348		return nil, err349	}350	t.resetReadThresholds()351	// By default, a key exchange is hidden from higher layers by352	// translating it into msgIgnore.353	successPacket := []byte{msgIgnore}354	if firstKex {355		// sendKexInit() for the first kex waits for356		// msgNewKeys so the authentication process is357		// guaranteed to happen over an encrypted transport.358		successPacket = []byte{msgNewKeys}359	}360	return successPacket, nil361}362// sendKexInit sends a key change message.363func (t *handshakeTransport) sendKexInit() error {364	t.mu.Lock()365	defer t.mu.Unlock()366	if t.sentInitMsg != nil {367		// kexInits may be sent either in response to the other side,368		// or because our side wants to initiate a key change, so we369		// may have already sent a kexInit. In that case, don't send a370		// second kexInit.371		return nil372	}373	msg := &kexInitMsg{374		KexAlgos:                t.config.KeyExchanges,375		CiphersClientServer:     t.config.Ciphers,376		CiphersServerClient:     t.config.Ciphers,377		MACsClientServer:        t.config.MACs,378		MACsServerClient:        t.config.MACs,379		CompressionClientServer: supportedCompressions,380		CompressionServerClient: supportedCompressions,381	}382	io.ReadFull(rand.Reader, msg.Cookie[:])...

host_services.go

Source:host_services.go

...55	if len(options.HostOptions.DeployServerSocketPath) == 0 {56		log.Fatalf("missing deploy server socket path")57	}58	// options.HostOptions.EnableRbac = false // disable rbac59	// init base option for pid file60	host.SServiceBase.O = &options.HostOptions.BaseOptions61	log.Infof("exec socket path: %s", options.HostOptions.ExecutorSocketPath)62	if options.HostOptions.EnableRemoteExecutor {63		execlient.Init(options.HostOptions.ExecutorSocketPath)64		procutils.SetRemoteExecutor()65	}66}67func (host *SHostService) OnExitService() {}68func (host *SHostService) RunService() {69	hn, err := os.Hostname()70	if err != nil {71		log.Fatalf("fail to get hostname %s", err)72	}73	app := app_common.InitApp(&options.HostOptions.BaseOptions, false)74	cronManager := cronman.InitCronJobManager(false, options.HostOptions.CronJobWorkerCount)75	hostutils.Init()76	app_common.InitAuth(&options.HostOptions.CommonOptions, func() {77		log.Infof("Auth complete!!")78		if err := host.initEtcdConfig(); err != nil {79			log.Fatalln("Init etcd config:", err)80		}81		if len(options.HostOptions.EtcdEndpoints) > 0 {82			_, err := host_health.InitHostHealthManager(hn, "")83			if err != nil {84				log.Fatalf("Init host health manager failed %s", err)85			}86		}87	})88	hostInstance := hostinfo.Instance()89	if err := hostInstance.Init(); err != nil {90		log.Fatalf("Host instance init error: %v", err)91	}92	deployclient.Init(options.HostOptions.DeployServerSocketPath)93	if err := storageman.Init(hostInstance); err != nil {94		log.Fatalf("Storage manager init error: %v", err)95	}96	var guestChan chan struct{}97	guestman.Init(hostInstance, options.HostOptions.ServersPath)98	hostInstance.StartRegister(2, func() {99		guestChan = guestman.GetGuestManager().Bootstrap()100		// hostmetrics after guestmanager bootstrap101		hostmetrics.Init()102		hostmetrics.Start()103	})104	<-hostinfo.Instance().IsRegistered // wait host and guest init105	host.initHandlers(app)106	// Init Metadata handler107	go metadata.Start(108		app_common.InitApp(&options.HostOptions.BaseOptions, false),109		&metadata.Service{110			Address: options.HostOptions.Address,111			Port:    options.HostOptions.Port + 1000,112			DescGetter: metadata.DescGetterFunc(func(ip string) *desc.SGuestDesc {113				guestDesc, _ := guestman.GetGuestManager().GetGuestNicDesc("", ip, "", "", false)114				return guestDesc115			}),116		},117	)118	cronManager.AddJobEveryFewDays(119		"CleanRecycleDiskFiles", 1, 3, 0, 0, storageman.CleanRecycleDiskfiles, false)120	cronManager.Start()121	close(guestChan)122	app_common.ServeForeverWithCleanup(app, &options.HostOptions.BaseOptions, func() {123		hostinfo.Stop()124		storageman.Stop()125		hostmetrics.Stop()126		guestman.Stop()127		hostutils.GetWorkManager().Stop()128	})129}130func (host *SHostService) initHandlers(app *appsrv.Application) {131	guesthandlers.AddGuestTaskHandler("", app)132	storagehandler.AddStorageHandler("", app)133	diskhandlers.AddDiskHandler("", app)134	downloader.AddDownloadHandler("", app)135	kubehandlers.AddKubeAgentHandler("", app)136	hosthandler.AddHostHandler("", app)137	app_common.ExportOptionsHandler(app, &options.HostOptions)138}139func (host *SHostService) initEtcdConfig() error {140	etcdEndpoint, err := app_common.FetchEtcdServiceInfo()141	if err != nil {142		if errors.Cause(err) == httperrors.ErrNotFound {143			return nil144		}145		return errors.Wrap(err, "fetch etcd service info")146	}147	if etcdEndpoint == nil {148		return nil149	}150	if len(options.HostOptions.EtcdEndpoints) == 0 {151		options.HostOptions.EtcdEndpoints = []string{etcdEndpoint.Url}152		if len(etcdEndpoint.CertId) > 0 {153			dir, err := ioutil.TempDir("", "etcd-cluster-tls")...

init

Using AI Code Generation

1import (2type Host struct {3}4func (h *Host) init() {5}6func main() {7	h := Host{}8	h.init()9	fmt.Println(h.name)10}11import (12type Host struct {13}14func (h *Host) init() {15}16func main() {17	h := &Host{}18	h.init()19	fmt.Println(h.name)20}21import (22type Host struct {23}24func (h *Host) init() {25}26func main() {27	h := &Host{}28	h.init()29	fmt.Println(h.name)30}31import (32type Host struct {33}34func (h *Host) init() {35}36func main() {37	h := &Host{}38	h.init()39	fmt.Println(h.name)40}41import (42type Host struct {43}44func (h *Host) init() {45}46func main() {47	h := &Host{}48	h.init()49	fmt.Println(h.name)50}51import (52type Host struct {53}54func (h *Host) init() {55}56func main() {57	h := &Host{}58	h.init()59	fmt.Println(h.name)60}61import (62type Host struct {63}64func (h *Host) init() {65}66func main() {67	h := &Host{}68	h.init()69	fmt.Println(h.name)70}71import (72type Host struct {

init

Using AI Code Generation

1import (2type host struct {3}4func (h *host) init(name string) {5}6func (h *host) print() {7	fmt.Printf("Host name: %s\n", h.name)8}9func main() {10	h := new(host)11	h.init(os.Args[1])12	h.print()13}14import (15type host struct {16}17func (h *host) init(name string) {18}19func (h *host) print() {20	fmt.Printf("Host name: %s\n", h.name)21}22func main() {23	h := new(host)24	h.init(os.Args[1])25	h.print()26}27import (28type host struct {29}30func (h *host) init(name string) {31}32func (h *host) print() {33	fmt.Printf("Host name: %s\n", h.name)34}35func main() {36	h := new(host)37	h.init(os.Args[1])38	h.print()39}40import (41type host struct {42}43func (h *host) init(name string) {44}45func (h *host) print() {46	fmt.Printf("Host name: %s\n", h.name)47}48func main() {49	h := new(host)50	h.init(os.Args[1])51	h.print()52}53import (54type host struct {55}56func (h *host) init(name string) {57}58func (h *host

init

Using AI Code Generation

1import (2func main() {3	fmt.Println("Hello World")4	host.HostInit()5}6import (7func HostInit() {8	fmt.Println("Hello World")9}10import (11func HostInit() {12	fmt.Println("Hello World")13}14import (15func HostInit() {16	fmt.Println("Hello World")17}18import (19func HostInit() {20	fmt.Println("Hello World")21}22import (23func HostInit() {24	fmt.Println("Hello World")25}26import (27func HostInit() {28	fmt.Println("Hello World")29}30import (31func HostInit() {32	fmt.Println("Hello World")33}34import (35func HostInit() {36	fmt.Println("Hello World")37}38import (39func HostInit() {40	fmt.Println("Hello World")41}

init

Using AI Code Generation

1import (2func init() {3	fmt.Println("init method of host class")4}5func main() {6	fmt.Println("main method of host class")7	fmt.Println("Number of CPU:",runtime.NumCPU())8}9import (10func init() {11	fmt.Println("init method of host class")12}13func main() {14	fmt.Println("main method of host class")15	fmt.Println("Number of CPU:",runtime.NumCPU())16}17import (18func init() {19	fmt.Println("init method of host class")20}21func main() {22	fmt.Println("main method of host class")23	fmt.Println("Number of CPU:",runtime.NumCPU())24}25import (26func init() {27	fmt.Println("init method of host class")28}29func main() {30	fmt.Println("main method of host class")31	fmt.Println("Number of CPU:",runtime.NumCPU())32}33import (34func init() {35	fmt.Println("init method of host class")36}37func main() {38	fmt.Println("main method of host class")39	fmt.Println("Number of CPU:",runtime.NumCPU())40}41import (42func init() {43	fmt.Println("init method of host class")44}

init

Using AI Code Generation

1import "fmt"2type host struct {3}4func (h host) gethostname() string {5}6func init() {7	fmt.Println("init method of host class is called before main method")8}9func main() {10	h := host{"pune"}11	fmt.Println(h.gethostname())12}

init

Using AI Code Generation

1import (2func main() {3    fmt.Println("main")4}5import (6func init() {7    fmt.Println("main init")8}9func main() {10    fmt.Println("main")11}12import (13func init() {14    fmt.Println("main init")15}16func main() {17    fmt.Println("main")18}19import (20func init() {21    fmt.Println("main init")22}23func main() {24    fmt.Println("main")25}26import (27func init() {28    fmt.Println("main init")29}30func main() {31    fmt.Println("main")32}33import (34func init() {35    fmt.Println("main init")36}37func main() {38    fmt.Println("main")39}40import (41func init() {42    fmt.Println("main init")43}44func main() {45    fmt.Println("main")46}

init

Using AI Code Generation

1import (2func main() {3	fmt.Println("Welcome to Go")4	host.Show()5}6import "fmt"7func init() {8	fmt.Println("Init method of host class is called")9}10func Show() {11	fmt.Println("Show method of host class is called")12}13import (14func main() {15	fmt.Println("Welcome to Go")16	host.Show()17}18import "fmt"19func init() {20	fmt.Println("Init method of host class is called")21}22func Show() {23	fmt.Println("Show method of host class is called")24}25import (26func main() {27	fmt.Println("Welcome to Go")28	host.Show()29}30import "fmt"31func init() {32	fmt.Println("Init method of host class is called")33}34func Show() {35	fmt.Println("Show method of host class is called")36}37import (38func main() {39	fmt.Println("Welcome to Go")40	host.Show()41}42import "fmt"43func init() {44	fmt.Println("Init method of host class is called")45}46func Show() {47	fmt.Println("Show method of host class is

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