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How to use getDialAddr method of netext Package

Best K6 code snippet using netext.getDialAddr

dialer.go

Source:dialer.go

...64	return fmt.Sprintf("hostname (%s) is in a blocked pattern (%s)", b.hostname, b.match)65}66// DialContext wraps the net.Dialer.DialContext and handles the k6 specifics67func (d *Dialer) DialContext(ctx context.Context, proto, addr string) (net.Conn, error) {68	dialAddr, err := d.getDialAddr(addr)69	if err != nil {70		return nil, err71	}72	conn, err := d.Dialer.DialContext(ctx, proto, dialAddr)73	if err != nil {74		return nil, err75	}76	conn = &Conn{conn, &d.BytesRead, &d.BytesWritten}77	return conn, err78}79// GetTrail creates a new NetTrail instance with the Dialer80// sent and received data metrics and the supplied times and tags.81// TODO: Refactor this according to82// https://github.com/k6io/k6/pull/1203#discussion_r33793837083func (d *Dialer) GetTrail(84	startTime, endTime time.Time, fullIteration bool, emitIterations bool, tags *metrics.SampleTags,85	builtinMetrics *metrics.BuiltinMetrics,86) *NetTrail {87	bytesWritten := atomic.SwapInt64(&d.BytesWritten, 0)88	bytesRead := atomic.SwapInt64(&d.BytesRead, 0)89	samples := []metrics.Sample{90		{91			Time:   endTime,92			Metric: builtinMetrics.DataSent,93			Value:  float64(bytesWritten),94			Tags:   tags,95		},96		{97			Time:   endTime,98			Metric: builtinMetrics.DataReceived,99			Value:  float64(bytesRead),100			Tags:   tags,101		},102	}103	if fullIteration {104		samples = append(samples, metrics.Sample{105			Time:   endTime,106			Metric: builtinMetrics.IterationDuration,107			Value:  metrics.D(endTime.Sub(startTime)),108			Tags:   tags,109		})110		if emitIterations {111			samples = append(samples, metrics.Sample{112				Time:   endTime,113				Metric: builtinMetrics.Iterations,114				Value:  1,115				Tags:   tags,116			})117		}118	}119	return &NetTrail{120		BytesRead:     bytesRead,121		BytesWritten:  bytesWritten,122		FullIteration: fullIteration,123		StartTime:     startTime,124		EndTime:       endTime,125		Tags:          tags,126		Samples:       samples,127	}128}129func (d *Dialer) getDialAddr(addr string) (string, error) {130	remote, err := d.findRemote(addr)131	if err != nil {132		return "", err133	}134	for _, ipnet := range d.Blacklist {135		if ipnet.Contains(remote.IP) {136			return "", BlackListedIPError{ip: remote.IP, net: ipnet}137		}138	}139	return remote.String(), nil140}141func (d *Dialer) findRemote(addr string) (*lib.HostAddress, error) {142	host, port, err := net.SplitHostPort(addr)143	if err != nil {...

dialer_test.go

Source:dialer_test.go

...65	}66	for _, tc := range testCases {67		tc := tc68		t.Run(tc.address, func(t *testing.T) {69			addr, err := dialer.getDialAddr(tc.address)70			if tc.expErr != "" {71				require.EqualError(t, err, tc.expErr)72			} else {73				require.NoError(t, err)74				require.Equal(t, tc.expAddress, addr)75			}76		})77	}78}79func TestDialerAddrBlockHostnamesStar(t *testing.T) {80	dialer := NewDialer(net.Dialer{}, newResolver())81	dialer.Hosts = map[string]*lib.HostAddress{82		"example.com": {IP: net.ParseIP("3.4.5.6")},83	}84	blocked, err := types.NewHostnameTrie([]string{"*"})85	require.NoError(t, err)86	dialer.BlockedHostnames = blocked87	testCases := []struct {88		address, expAddress, expErr string89	}{90		// IPv491		{"example.com:80", "", "hostname (example.com) is in a blocked pattern (*)"},92		{"example.com:443", "", "hostname (example.com) is in a blocked pattern (*)"},93		{"not.com:30", "", "hostname (not.com) is in a blocked pattern (*)"},94		{"1.2.3.4:80", "1.2.3.4:80", ""},95	}96	for _, tc := range testCases {97		tc := tc98		t.Run(tc.address, func(t *testing.T) {99			addr, err := dialer.getDialAddr(tc.address)100			if tc.expErr != "" {101				require.EqualError(t, err, tc.expErr)102			} else {103				require.NoError(t, err)104				require.Equal(t, tc.expAddress, addr)105			}106		})107	}108}109func newResolver() *mockresolver.MockResolver {110	return mockresolver.New(111		map[string][]net.IP{112			"example-resolver.com":           {net.ParseIP("1.2.3.4")},113			"example-deny-resolver.com":      {net.ParseIP("8.9.10.11")},...

getDialAddr

Using AI Code Generation

1import (2func main() {3    addrs, err := net.LookupHost("www.google.com")4    if err != nil {5        fmt.Println(err)6    }7    fmt.Println(addrs)8}

getDialAddr

Using AI Code Generation

1import (2func main() {3    dialer := net.Dialer{}4    addr, err := netext.GetDialAddr(&dialer, "tcp", "golang.org:http")5    if err != nil {6        fmt.Println(err)7    }8    fmt.Println(addr)9}

getDialAddr

Using AI Code Generation

1import (2func TestGetDialAddr(t *testing.T) {3	ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {4		w.WriteHeader(http.StatusOK)5	}))6	defer ts.Close()7	testURL, err := url.Parse(ts.URL)8	if err != nil {9		t.Fatal(err)10	}11	resolver := &net.Resolver{}12	dialer := &net.Dialer{}13	state := &lib.State{14		Options: lib.Options{15			Hosts: map[string]lib.OptionsHosts{16				"test": {17					IP:   net.ParseIP("

getDialAddr

Using AI Code Generation

1import (2func main() {3	dialer := net.Dialer{Timeout: 5 * time.Second}4	conn, err := dialer.Dial("tcp", "google.com:80")5	if err != nil {6		log.Fatal(err)7	}8	defer conn.Close()9	fmt.Println("Connected!")10}11import (12func main() {13	dialer := net.Dialer{Timeout: 5 * time.Second}14	conn, err := dialer.Dial("tcp", "google.com:80")15	if err != nil {16		log.Fatal(err)17	}18	defer conn.Close()19	fmt.Println("Connected!")20}21import (22func main() {23	dialer := net.Dialer{Timeout: 5 * time.Second}24	conn, err := dialer.Dial("tcp", "google.com:80")25	if err != nil {26		log.Fatal(err)27	}28	defer conn.Close()29	fmt.Println("Connected!")30}31import (32func main() {33	dialer := net.Dialer{Timeout: 5 * time.Second}34	conn, err := dialer.Dial("tcp", "google.com:80")35	if err != nil {36		log.Fatal(err)37	}38	defer conn.Close()39	fmt.Println("Connected!")40}41import (

getDialAddr

Using AI Code Generation

1import (2func main() {3    netext := modules.Get("k6/netext")4    dialAddr := netext.Get("getDialAddr").Call(common.Bind(func(ctx context.Context, ip net.IP, port uint16) string {5        return fmt.Sprintf("%s:%d", ip, port)6    }, nil))7    netext.Set("getDialAddr", dialAddr)8    req := httputil.NewRequest(http.MethodGet, url)9    addr, err := netext.Get("getDialAddr").Invoke(req)10    if err != nil {11        panic(err)12    }13    fmt.Println(addr)14}

getDialAddr

Using AI Code Generation

1import (2func main() {3    dialer := net.Dialer{4        DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {5            dialAddr, err := getDialAddr(network, addr)6            if err != nil {7            }8            return net.Dial(network, dialAddr)9        },10    }11    conn, err := dialer.DialContext(context.Background(), "tcp", "example.com:80")12    if err != nil {13        log.Fatal(err)14    }15    defer conn.Close()16    fmt.Fprintf(conn, "GET / HTTP/1.0\r17    if _, err := io.Copy(os.Stdout, conn); err != nil {18        log.Fatal(err)19    }20}21func getDialAddr(network, addr string) (string, error) {22    switch network {23        if ip := net.ParseIP(addr); ip != nil {24        }25        addrs, err := net.DefaultResolver.LookupHost(context.Background(), addr)26        if err != nil {27        }28        return "", fmt.Errorf("network %q not supported", network)29    }30}

getDialAddr

Using AI Code Generation

1import (2func main() {3	netext := netext{}4	fmt.Println(netext.getDialAddr("tcp", "google.com:80"))5}6import (7func main() {8	fmt.Println(netext.getDialAddr("tcp", "google.com:80"))9}

getDialAddr

Using AI Code Generation

1import (2func main() {3	netext := netext{}4	fmt.Println(netext.getDialAddr("tcp", "www.google.com:80"))5}6import (7func main() {8	netext := netext{}9	fmt.Println(netext.getDialAddr("tcp", "www.google.com:80"))10}11import (12func main() {13	netext := netext{}14	fmt.Println(netext.getDialAddr("tcp", "www.google.com:80"))15}16import (17type netext struct{}18func (netext) getDialAddr(network, address string) string {19	return net.JoinHostPort(net.ParseIP("

getDialAddr

Using AI Code Generation

1import (2func main() {3	n := netext{}4	fmt.Println(n.getDialAddr("localhost", "8080"))5}6import (7type netext struct {8}9func (n netext) getDialAddr(host string, port string) string {10	return net.JoinHostPort(host, port)11}12import (13func main() {14	fmt.Println(net.JoinHostPort("localhost", "8080"))15}

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