How to use AcceptConnection method of conn Package

Best Gauge code snippet using conn.AcceptConnection

downloader_test.go

Source:downloader_test.go

1package tcp2import (3	"errors"4	"io"5	"math/rand"6	"net"7	"strconv"8	"testing"9	"time"10	ahp "github.com/morozovcookie/afihtmlparser"11)12func TestDownloader_Download(t *testing.T) {13	tt := []struct {14		name    string15		enabled bool16		dialTimeout time.Duration17		startServer      func(string) (net.Listener, error)18		acceptConnection func(net.Listener) error19		stopServer       func(net.Listener) error20		contentLength int6421		timeout       time.Duration22		callback      ahp.DownloadCallback23		wantErr bool24	}{25		{26			name:    "pass",27			enabled: true,28			dialTimeout: time.Minute,29			startServer: func(address string) (net.Listener, error) {30				ln, err := net.Listen("tcp", address)31				if err != nil {32					return ln, err33				}34				return ln, nil35			},36			acceptConnection: func(ln net.Listener) error {37				if ln == nil {38					return nil39				}40				conn, err := ln.Accept()41				if err != nil {42					if err == io.EOF {43						return nil44					}45					return err46				}47				defer conn.Close()48				_, err = conn.Write([]byte(`1111111111`))49				if err != nil {50					return err51				}52				return nil53			},54			stopServer: func(ln net.Listener) error {55				if ln == nil {56					return nil57				}58				return ln.Close()59			},60			contentLength: 10,61			timeout:       time.Second,62			callback: func(r io.Reader) (err error) {63				return nil64			},65		},66		{67			name:    "dial error",68			enabled: true,69			dialTimeout: time.Second,70			startServer: func(_ string) (net.Listener, error) {71				return nil, nil72			},73			acceptConnection: func(_ net.Listener) error {74				return nil75			},76			stopServer: func(_ net.Listener) error {77				return nil78			},79			wantErr: true,80		},81		{82			name:    "copy error",83			enabled: true,84			dialTimeout: time.Minute,85			startServer: func(address string) (net.Listener, error) {86				ln, err := net.Listen("tcp", address)87				if err != nil {88					return ln, err89				}90				return ln, nil91			},92			acceptConnection: func(ln net.Listener) error {93				if ln == nil {94					return nil95				}96				conn, err := ln.Accept()97				if err != nil {98					if err == io.EOF {99						return nil100					}101					return err102				}103				defer conn.Close()104				_, err = conn.Write([]byte(`1111111111`))105				if err != nil {106					return err107				}108				return nil109			},110			stopServer: func(ln net.Listener) error {111				if ln == nil {112					return nil113				}114				return ln.Close()115			},116			contentLength: 20,117			timeout:       time.Second,118			callback: func(r io.Reader) (err error) {119				return nil120			},121			wantErr: true,122		},123		{124			name:    "callback error",125			enabled: true,126			dialTimeout: time.Minute,127			startServer: func(address string) (net.Listener, error) {128				ln, err := net.Listen("tcp", address)129				if err != nil {130					return ln, err131				}132				return ln, nil133			},134			acceptConnection: func(ln net.Listener) error {135				if ln == nil {136					return nil137				}138				conn, err := ln.Accept()139				if err != nil {140					if err == io.EOF {141						return nil142					}143					return err144				}145				defer conn.Close()146				_, err = conn.Write([]byte(`1111111111`))147				if err != nil {148					return err149				}150				return nil151			},152			stopServer: func(ln net.Listener) error {153				if ln == nil {154					return nil155				}156				return ln.Close()157			},158			contentLength: 10,159			timeout:       time.Second,160			callback: func(r io.Reader) (err error) {161				return errors.New("some error")162			},163			wantErr: true,164		},165	}166	for _, test := range tt {167		t.Run(test.name, func(t *testing.T) {168			if !test.enabled {169				t.SkipNow()170			}171			addr := "127.0.0.1:" + strconv.Itoa(1024+rand.Intn(64511))172			ln, err := test.startServer(addr)173			if err != nil {174				t.Fatal(err)175			}176			errCh := make(chan error, 1)177			defer close(errCh)178			go func(ln net.Listener, accept func(net.Listener) error, ch chan<- error) {179				ch <- accept(ln)180			}(ln, test.acceptConnection, errCh)181			err = NewDownloader(addr, test.dialTimeout).Download(test.contentLength, test.timeout, test.callback)182			if stopErr := test.stopServer(ln); stopErr != nil {183				t.Fatal(stopErr)184			}185			if chErr := <-errCh; chErr != nil {186				t.Fatal(chErr)187			}188			if (err != nil) != test.wantErr {189				t.Error(err)190			}191		})192	}193}...

netcat.go

Source:netcat.go

1package main2import (3	"flag"4	"net"5	"os"6	"github.com/vktec/nettools/netlib"7)8func acceptConnection(lis net.Listener) int {9	conn, err := lis.Accept()10	if err != nil {11		netlib.Errln("Error accepting connection:", err)12		return 113	}14	defer conn.Close()15	netlib.ConnectBidirectional(conn, netlib.Stdio)16	return 017}18func Main() int {19	listenMode := flag.Bool("l", false, "Listen for connections")20	keepListening := flag.Bool("k", false, "Keep the socket open after connections are closed. Ignored without -l.")21	flag.Parse()22	if flag.NArg() < 1 {23		netlib.Errln("Please specify an address")24		return 125	}26	addr := flag.Arg(0)27	if *listenMode {28		lis, err := net.Listen("tcp", addr)29		if err != nil {30			netlib.Errln("Error opening socket:", err)31			return 132		}33		defer lis.Close()34		if *keepListening {35			for {36				if ret := acceptConnection(lis); ret != 0 {37					return ret38				}39			}40		} else {41			return acceptConnection(lis)42		}43	} else {44		conn, err := net.Dial("tcp", addr)45		if err != nil {46			netlib.Errln("Error connecting:", err)47			return 148		}49		defer conn.Close()50		netlib.ConnectBidirectional(conn, netlib.Stdio)51	}52	return 053}54func main() {55	os.Exit(Main())56}...

tunnel.go

Source:tunnel.go

...20	// @return error21	//22	CreateListener(address string) error23	//24	// AcceptConnection25	// @Description:26	// @return conn27	// @return err28	//29	AcceptConnection() (conn net.Conn, err error)30}...

AcceptConnection

Using AI Code Generation

1import (2func main() {3	ln, err := net.Listen("tcp", ":8081")4	if err != nil {5		fmt.Println(err)6	}7	for {8		conn, err := ln.Accept()9		if err != nil {10			fmt.Println(err)11		}12		go handleConnection(conn)13	}14}15func handleConnection(conn net.Conn) {16	defer conn.Close()17	buf := make([]byte, 1024)18	for {19		n, err := conn.Read(buf)20		if err != nil {21			fmt.Println(err)22		}23		fmt.Println(string(buf[:n]))24	}25}

AcceptConnection

Using AI Code Generation

1import (2func main() {3	conn, err = net.Dial("tcp", "localhost:8888")4	if err != nil {5		fmt.Println("Error in dialing", err)6	}7	fmt.Println("Connection established")8	conn.Close()9}

AcceptConnection

Using AI Code Generation

1import (2func main() {3	listener, err := net.Listen("tcp", "localhost:8080")4	if err != nil {5		fmt.Println("Error in creating a listener")6	}7	conn, err := listener.Accept()8	if err != nil {9		fmt.Println("Error in accepting connection")10	}11	conn.Close()12}

AcceptConnection

Using AI Code Generation

1import (2func main() {3	listener, err := net.Listen("tcp", ":8080")4	if err != nil {5		fmt.Println("Error in creating listener")6	}7	conn, err := listener.Accept()8	if err != nil {9		fmt.Println("Error in accepting connection")10	}11	fmt.Println("Connection accepted")12	err = conn.Close()13	if err != nil {14		fmt.Println("Error in closing connection")15	}16	fmt.Println("Connection closed")17}

AcceptConnection

Using AI Code Generation

1import (2func main() {3	listener, err := net.Listen("tcp", "localhost:8080")4	if err != nil {5		fmt.Println("Error in listening")6	}7	conn, err := listener.Accept()8	if err != nil {9		fmt.Println("Error in accepting connection")10	}11	fmt.Println("Connection accepted")12	conn.Close()13}

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