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How to use Read method of netext Package

Best K6 code snippet using netext.Read

module.go

Source:module.go

...46		GROUP_BALANCER_RACK_AFFINITY: &kafkago.RackAffinityGroupBalancer{},47	}48	// Initialize the isolation levels map49	IsolationLevels = map[string]kafkago.IsolationLevel{50		ISOLATION_LEVEL_READ_UNCOMMITTED: kafkago.ReadUncommitted,51		ISOLATION_LEVEL_READ_COMMITTED:   kafkago.ReadCommitted,52	}53	// Register the module namespace (aka. JS import path)54	modules.Register("k6/x/kafka", New())55}56type (57	Kafka struct {58		vu                   modules.VU59		metrics              kafkaMetrics60		serializerRegistry   *Serde[Serializer]61		deserializerRegistry *Serde[Deserializer]62		exports              *goja.Object63	}64	RootModule  struct{}65	KafkaModule struct {66		*Kafka67	}68)69var (70	_ modules.Instance = &KafkaModule{}71	_ modules.Module   = &RootModule{}72)73// New creates a new instance of the root module74func New() *RootModule {75	return &RootModule{}76}77// NewModuleInstance creates a new instance of the Kafka module78func (*RootModule) NewModuleInstance(vu modules.VU) modules.Instance {79	rt := vu.Runtime()80	m, err := registerMetrics(vu)81	if err != nil {82		common.Throw(vu.Runtime(), err)83	}84	// Create a new Kafka module85	kafkaModuleInstance := &KafkaModule{86		Kafka: &Kafka{87			vu:                   vu,88			metrics:              m,89			serializerRegistry:   NewSerializersRegistry(),90			deserializerRegistry: NewDeserializersRegistry(),91			exports:              rt.NewObject(),92		},93	}94	// Export constants to the JS code95	kafkaModuleInstance.defineConstants()96	mustExport := func(name string, value interface{}) {97		if err := kafkaModuleInstance.exports.Set(name, value); err != nil {98			common.Throw(rt, err)99		}100	}101	// Export the functions from the Kafka module to the JS code102	// The Writer is a constructor and must be called with new, e.g. new Writer(...)103	mustExport("Writer", kafkaModuleInstance.XWriter)104	// The Reader is a constructor and must be called with new, e.g. new Reader(...)105	mustExport("Reader", kafkaModuleInstance.XReader)106	// The Connection is a constructor and must be called with new, e.g. new Connection(...)107	mustExport("Connection", kafkaModuleInstance.XConnection)108	// This causes the struct fields to be exported to the native (camelCases) JS code.109	vu.Runtime().SetFieldNameMapper(goja.TagFieldNameMapper("json", true))110	return kafkaModuleInstance111}112// Exports returns the exports of the Kafka module, which are the functions113// that can be called from the JS code.114func (c *KafkaModule) Exports() modules.Exports {115	return modules.Exports{116		Default: c.Kafka.exports,117	}118}119func (c *KafkaModule) defineConstants() {...

forward.go

Source:forward.go

...25		logger:        logger,26		udpBufferPool: bytesext.NewPoolWith(0, math.MaxUint16),27	}28}29func (f *forwarder) ForwardTCP(ctx context.Context, downstream io.ReadWriteCloser) error {30	upstreamConn, err := f.dialer.DialContext(ctx, "tcp", f.opts.UpstreamTCP)31	if err != nil {32		upstreamConn.Close()33		return err34	}35	upstream := netext.NewTimedConn(upstreamConn, f.opts.Timeout, f.opts.Timeout)36	errc := make(chan error, 2)37	go f.stream(downstream, upstream, errc)38	go f.stream(upstream, downstream, errc)39	return f.wait(ctx, upstreamConn.Close, downstream.Close, errc, 2)40}41func (f *forwarder) ForwardUDP(ctx context.Context, downstream io.ReadWriteCloser) error {42	upstreamConn, err := f.dialer.DialContext(ctx, "udp", f.opts.UpstreamUDP)43	if err != nil {44		downstream.Close()45		return err46	}47	upstream := netext.NewTimedConn(upstreamConn, f.opts.Timeout, f.opts.Timeout)48	errc := make(chan error, 2)49	go func() { // upstream -> downstream50		buf := f.udpBufferPool.Get(math.MaxUint16)51		var (52			n   int53			err error54		)55		for {56			if n, err = upstream.Read(buf); err != nil {57				break58			}59			if err = encoding.WriteU16SizedBytes(downstream, buf[:n]); err == nil {60				if f, ok := downstream.(ioext.Flusher); ok {61					err = f.Flush()62				}63			}64			if err != nil {65				break66			}67		}68		f.udpBufferPool.Put(buf)69		errc <- err70	}()71	go func() { // downstream -> upstream72		buf := f.udpBufferPool.Get(math.MaxUint16)73		var (74			n   int75			err error76		)77		for {78			if n, err = encoding.ReadU16SizedBytes(downstream, buf); err != nil {79				break80			}81			// NOTE: use of WriteTo with pre-connected connection82			if _, err = upstream.Write(buf[:n]); err != nil {83				break84			}85		}86		f.udpBufferPool.Put(buf)87		errc <- err88	}()89	return f.wait(ctx, upstreamConn.Close, downstream.Close, errc, 2)90}91func (f *forwarder) wait(ctx context.Context, upCloseFunc, downCloseFunc func() error, errc <-chan error, n int) error {92	donec := ctx.Done()93	multierr := &errorsext.MultiErr{}94	closed := false95	for n > 0 {96		select {97		case err := <-errc:98			n--99			multierr.Append(err)100		case <-donec:101			donec = nil102		}103		if !closed {104			closed = true105			_ = upCloseFunc()106			_ = downCloseFunc()107		}108	}109	if !closed {110		_ = upCloseFunc()111		_ = downCloseFunc()112	}113	return multierr.Err()114}115func (f *forwarder) stream(dst io.Writer, src io.Reader, errc chan error) {116	_, err := goodogioutil.Copy(dst, src, false)117	errc <- err118}...

tcp.go

Source:tcp.go

...55		return56	}57	p.upstreams.Inc()58	errc := make(chan error, 2)59	streamFunc := func(dst, src io.ReadWriter, msg string) {60		_, err := goodogioutil.Copy(dst, src, false)61		p.logger.Debug(msg,62			zap.String("upstream", p.conf.ServerHost()),63			zap.String("downstream", downstreamConn.RemoteAddr().String()),64			zap.Error(err),65		)66		if err != nil {67			p.readWriteErrors.Inc()68		}69		errc <- err70	}71	downstream := netext.NewTimedConn(downstreamConn, p.conf.Timeout, p.conf.Timeout)72	upstream = tryWrapWithCompression(upstream, p.conf.Compression)73	go streamFunc(downstream, upstream, "upstream->downstream done")...

Read

Using AI Code Generation

1import (2func main() {3	http.HandleFunc("/", handler)4	http.ListenAndServe(":8080", nil)5}6func handler(w http.ResponseWriter, r *http.Request) {7	fmt.Fprintf(w, "Hi there, I love %s!", r.URL.Path[1:])8}9import (10func main() {11	http.HandleFunc("/", handler)12	http.ListenAndServe(":8080", nil)13}14func handler(w http.ResponseWriter, r *http.Request) {15	fmt.Fprintf(w, "Hi there, I love %s!", r.URL.Path[1:])16}17import (18func main() {19	http.HandleFunc("/", handler)20	http.ListenAndServe(":8080", nil)21}22func handler(w http.ResponseWriter, r *http.Request) {23	fmt.Fprintf(w, "Hi there, I love %s!", r.URL.Path[1:])24}25import (26func main() {27	http.HandleFunc("/", handler)28	http.ListenAndServe(":8080", nil)29}30func handler(w http.ResponseWriter, r *http.Request) {31	fmt.Fprintf(w, "Hi there, I love %s!", r.URL.Path[1:])32}33import (34func main() {35	http.HandleFunc("/", handler)36	http.ListenAndServe(":8080", nil)37}38func handler(w http.ResponseWriter, r *http.Request) {39	fmt.Fprintf(w, "Hi there, I love %s!", r.URL.Path[1:])40}41import (42func main() {43	http.HandleFunc("/", handler)44	http.ListenAndServe(":8080", nil)45}46func handler(w http.ResponseWriter, r *http.Request) {47	fmt.Fprintf(w, "Hi there, I love %s!", r.URL.Path[1:])48}

Read

Using AI Code Generation

1import (2func main() {3	conn, err := net.Dial("tcp", "localhost:8080")4	if err != nil {5		fmt.Println(err)6	}7	b := make([]byte, 1024)8	n, err := conn.Read(b)9	if err != nil {10		fmt.Println(err)11	}12	fmt.Println(string(b[:n]))13}14import (15func main() {16	conn, err := net.Dial("tcp", "localhost:8080")17	if err != nil {18		fmt.Println(err)19	}20	conn.Write([]byte("Hello World"))21}22import (23func main() {24	conn, err := net.Dial("tcp", "localhost:8080")25	if err != nil {26		fmt.Println(err)27	}28	b := make([]byte, 1024)29	n, _, err := conn.ReadFrom(b)30	if err != nil {31		fmt.Println(err)32	}33	fmt.Println(string(b[:n]))34}35import (36func main() {37	conn, err := net.Dial("tcp", "localhost:8080")38	if err != nil {39		fmt.Println(err)40	}41	conn.WriteTo([]byte("Hello World"), nil)42}43import (44func main() {45	conn, err := net.Dial("tcp", "localhost:8080")46	if err != nil {47		fmt.Println(err)48	}49	conn.CloseWrite()50}

Read

Using AI Code Generation

1import (2func main() {3	req, err := http.NewRequest("GET", "/", nil)4	if err != nil {5		fmt.Println(err)6	}7	rr := httptest.NewRecorder()8	handler := http.HandlerFunc(HelloWorldHandler)9	handler.ServeHTTP(rr, req)10	if status := rr.Code; status != http.StatusOK {11		fmt.Println(status)12	}13	fmt.Println(rr.Body.String())14	if rr.Body.String() != expected {15		fmt.Println(rr.Body.String())16	}17}18func HelloWorldHandler(w http.ResponseWriter, r *http.Request) {19	fmt.Fprintf(w, "Hello World")20}21import (22func main() {23	req, err := http.NewRequest("GET", "/", nil)24	if err != nil {25		fmt.Println(err)26	}27	rr := httptest.NewRecorder()28	handler := http.HandlerFunc(HelloWorldHandler)29	handler.ServeHTTP(rr, req)30	if status := rr.Code; status != http.StatusOK {31		fmt.Println(status)32	}33	fmt.Println(rr.Body.String())34	if rr.Body.String() != expected {35		fmt.Println(rr.Body.String())36	}

Read

Using AI Code Generation

1import (2func main() {3server, err := net.Listen("tcp", ":8080")4if err != nil {5fmt.Println("Error listening:", err.Error())6}7defer server.Close()8conn, err := server.Accept()9if err != nil {10fmt.Println("Error accepting: ", err.Error())11}12go handleRequest(conn)13}14func handleRequest(conn net.Conn) {15buf := make([]byte, 1024)16_, err := conn.Read(buf)17if err != nil {18fmt.Println("Error reading:", err.Error())19}20conn.Write([]byte("Message received."))21conn.Close()22}23import (24func main() {25conn, err := net.Dial("tcp", "

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