How to use handshakeError method of ipc Package

Best Syzkaller code snippet using ipc.handshakeError

ipc.go

Source:ipc.go

...612		pid:   uint64(c.pid),613	}614	reqData := (*[unsafe.Sizeof(*req)]byte)(unsafe.Pointer(req))[:]615	if _, err := c.outwp.Write(reqData); err != nil {616		return c.handshakeError(fmt.Errorf("executor %v: failed to write control pipe: %v",617			c.pid, err))618	}619	read := make(chan error, 1)620	go func() {621		reply := &handshakeReply{}622		replyData := (*[unsafe.Sizeof(*reply)]byte)(unsafe.Pointer(reply))[:]623		if _, err := io.ReadFull(c.inrp, replyData); err != nil {624			read <- err625			return626		}627		if reply.magic != outMagic {628			read <- fmt.Errorf("executor %v: bad handshake reply magic 0x%x",629				c.pid, reply.magic)630			return631		}632		read <- nil633	}()634	timeout := time.NewTimer(time.Minute)635	select {636	case err := <-read:637		timeout.Stop()638		if err != nil {639			return c.handshakeError(err)640		}641		return nil642	case <-timeout.C:643		return c.handshakeError(fmt.Errorf("executor %v: not serving", c.pid))644	}645}646func (c *command) handshakeError(err error) error {647	c.abort()648	output := <-c.readDone649	err = fmt.Errorf("%v\n%s", err, output)650	c.wait()651	if c.cmd.ProcessState != nil {652		// Magic values returned by executor.653		if osutil.ProcessExitStatus(c.cmd.ProcessState) == statusFail {654			err = ExecutorFailure(err.Error())655		}656	}657	return err658}659// abort sends the abort signal to the command and then SIGKILL if wait doesn't return within 5s.660func (c *command) abort() {...

client.go

Source:client.go

1package ipc2import (3        "avro"4        "io"5        "net"6        "net/rpc"7        "sync"8)9type clientCodec struct {10        rwc       io.ReadWriteCloser11        dec       *avro.Decoder12        enc       *avro.Encoder13        fout      *Frame14        fin       *Frame15        proto     []byte16        handShake bool17        mutex     sync.Mutex18}19type HandShakeError int20func (e HandShakeError) Error() string {21        return "handshake error"22}23func NewClientCodec(rwc io.ReadWriteCloser, proto []byte) *clientCodec {24        var fin, fout Frame25        dec := avro.NewDecoder(&fin)26        enc := avro.NewEncoder(&fout)27        return &clientCodec{28                rwc:   rwc,29                dec:   dec,30                enc:   enc,31                fout:  &fout,32                fin:   &fin,33                proto: proto,34        }35}36func (c *clientCodec) writeHandShake() error {37        req := NewHandShakeRequest(c.proto)38        return c.enc.Encode(req)39}40func (c *clientCodec) readHandShake() error {41        rep := NewHandShakeResponse(NONE, c.proto)42        err := c.dec.Decode(rep)43        if err != nil {44                return err45        }46        if rep.Match == NONE {47                return HandShakeError(rep.Match)48        }49        return nil50}51func (c *clientCodec) WriteRequest(r *rpc.Request, param interface{}) error {52        c.mutex.Lock()53        defer c.mutex.Unlock()54        if !c.handShake {55                err := c.writeHandShake()56                if err != nil {57                        return err58                }59        }60        req := Request{61                Method:  r.ServiceMethod,62                Payload: param,63        }64        err := c.enc.Encode(&req)65        if err != nil {66                return err67        }68        c.fout.Xid = int32(r.Seq)69        return c.fout.Encode(c.rwc)70}71func (c *clientCodec) ReadResponseHeader(r *rpc.Response) error {72        err := c.fin.Decode(c.rwc)73        if err != nil {74                return err75        }76        if !c.handShake {77                err := c.readHandShake()78                _, ok := err.(HandShakeError)79                if err != nil && !ok {80                        return err81                }82                c.handShake = true83        }84        r.Seq = uint64(c.fin.Xid)85        return nil86}87func (c *clientCodec) ReadResponseBody(x interface{}) error {88        u, ok := x.(*avro.Union)89        if !ok {90                panic("response must be *avro.Union")91        }92        rep := Response{93                Meta:  make(map[string]string),94                Error: false,95        }96        err := c.dec.Decode(&rep)97        if err != nil {98                return err99        }100        if !rep.Error {101                u.Idx = 0102                err = c.dec.Decode(u.Elem[0])103        } else {104                u.Idx = 1105                err = c.dec.Decode(u.Elem[1])106        }107        return err108}109func (c *clientCodec) Close() error {110        return c.rwc.Close()111}112func Dial(addr string, proto []byte) (*rpc.Client, error) {113        conn, err := net.Dial("tcp", addr)114        if err != nil {115                return nil, err116        }117        return rpc.NewClientWithCodec(NewClientCodec(conn, proto)), nil118}...

handshakeError

Using AI Code Generation

1import (2func main() {3	endpoint, err := p2p.NewIPC("/tmp/ethereum/geth.ipc")4	if err != nil {5		fmt.Println("error in creating ipc endpoint")6		os.Exit(1)7	}8	node := enode.NewV4(&crypto.PublicKey{}, nil, 0, 0)9	err = p2p.HandshakeError{10		Err: fmt.Errorf("error"),11		Sent: &p2p.Hello{12			Caps:    []p2p.Cap{{"cap1", 1}},13			ID:      node.ID(),14		},15		Received: &p2p.Hello{16			Caps:    []p2p.Cap{{"cap2", 2}},17			ID:      node.ID(),18		},19	}20	_, err = endpoint.HandshakeError(err)21	if err != nil {22		fmt.Println("error in calling handshakeError method")23		os.Exit(1)24	}25}

handshakeError

Using AI Code Generation

1import (2func main() {3    fmt.Println(p2p.HandshakeError(1))4}5import (6func main() {7    fmt.Println(p2p.HandshakeError(2))8}9import (10func main() {11    fmt.Println(p2p.HandshakeError(3))12}13import (14func main() {15    fmt.Println(p2p.HandshakeError(4))16}17import (18func main() {19    fmt.Println(p2p.HandshakeError(5))20}21import (22func main() {23    fmt.Println(p2p.HandshakeError(6))24}25import (26func main() {27    fmt.Println(p2p.HandshakeError(7))28}29import (

handshakeError

Using AI Code Generation

1import (2func main() {3	err := ipc.HandshakeError("Error")4	fmt.Println(err)5}6import (7func main() {8	err := ipc.HandshakeError("Error")9	fmt.Println(err)10}11import (12func main() {13	err := ipc.HandshakeError("Error")14	fmt.Println(err)15}16import (17func main() {18	err := ipc.HandshakeError("Error")19	fmt.Println(err)20}21import (22func main() {23	err := ipc.HandshakeError("Error")24	fmt.Println(err)25}26import (27func main() {28	err := ipc.HandshakeError("Error")29	fmt.Println(err)30}31import (32func main() {33	err := ipc.HandshakeError("Error")34	fmt.Println(err)35}36import (37func main() {38	err := ipc.HandshakeError("Error")39	fmt.Println(err)40}41import (42func main() {43	err := ipc.HandshakeError("Error")44	fmt.Println(err)45}46import (47func main() {48	err := ipc.HandshakeError("Error")49	fmt.Println(err)50}51import (

handshakeError

Using AI Code Generation

1import (2func main() {3	ipc, err := ipc.NewIPC("/home/ethereum/.ethereum/geth.ipc")4	if err != nil {5		fmt.Println(err)6	}7	err = ipc.HandshakeError()8	if err != nil {9		fmt.Println(err)10	}11}123. ReadError() Method13func (ipc *IPC) ReadError() error14import (15func main() {16	ipc, err := ipc.NewIPC("/home/ethereum/.ethereum/geth.ipc")17	if err != nil {18		fmt.Println(err)19	}20	err = ipc.ReadError()21	if err != nil {22		fmt.Println(err)23	}24}254. WriteError() Method26func (ipc *IPC) WriteError() error27import (28func main() {29	ipc, err := ipc.NewIPC("/home/ethereum/.ethereum/geth.ipc")30	if err != nil {31		fmt.Println(err)32	}33	err = ipc.WriteError()34	if err != nil {35		fmt.Println(err)36	}37}

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.