How to use getDialAddr method of netext Package

Best K6 code snippet using netext.getDialAddr

dialer.go

Source:dialer.go Github

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...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 {...

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dialer_test.go

Source:dialer_test.go Github

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...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")},...

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getDialAddr

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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}

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getDialAddr

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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}

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getDialAddr

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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("

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getDialAddr

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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 (

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getDialAddr

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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}

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getDialAddr

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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}

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getDialAddr

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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}

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getDialAddr

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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("

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getDialAddr

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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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