mirror of
https://github.com/netbirdio/netbird.git
synced 2024-12-15 19:31:06 +01:00
524 lines
11 KiB
Go
524 lines
11 KiB
Go
package client
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import (
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"context"
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"net"
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"os"
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"testing"
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"time"
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log "github.com/sirupsen/logrus"
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"github.com/netbirdio/netbird/util"
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"github.com/netbirdio/netbird/relay/server"
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)
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func TestMain(m *testing.M) {
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_ = util.InitLog("trace", "console")
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code := m.Run()
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os.Exit(code)
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}
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func TestClient(t *testing.T) {
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ctx := context.Background()
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addr := "localhost:1234"
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srv := server.NewServer()
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go func() {
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err := srv.Listen(addr)
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if err != nil {
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t.Fatalf("failed to bind server: %s", err)
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}
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}()
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defer func() {
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err := srv.Close()
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if err != nil {
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t.Errorf("failed to close server: %s", err)
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}
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}()
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clientAlice := NewClient(ctx, addr, "alice")
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err := clientAlice.Connect()
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if err != nil {
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t.Fatalf("failed to connect to server: %s", err)
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}
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defer clientAlice.Close()
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clientPlaceHolder := NewClient(ctx, addr, "clientPlaceHolder")
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err = clientPlaceHolder.Connect()
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if err != nil {
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t.Fatalf("failed to connect to server: %s", err)
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}
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defer clientPlaceHolder.Close()
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clientBob := NewClient(ctx, addr, "bob")
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err = clientBob.Connect()
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if err != nil {
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t.Fatalf("failed to connect to server: %s", err)
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}
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defer clientBob.Close()
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connAliceToBob, err := clientAlice.OpenConn("bob")
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if err != nil {
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t.Fatalf("failed to bind channel: %s", err)
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}
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connBobToAlice, err := clientBob.OpenConn("alice")
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if err != nil {
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t.Fatalf("failed to bind channel: %s", err)
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}
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payload := "hello bob, I am alice"
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_, err = connAliceToBob.Write([]byte(payload))
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if err != nil {
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t.Fatalf("failed to write to channel: %s", err)
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}
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log.Debugf("alice sent message to bob")
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buf := make([]byte, 65535)
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n, err := connBobToAlice.Read(buf)
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if err != nil {
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t.Fatalf("failed to read from channel: %s", err)
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}
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log.Debugf("on new message from alice to bob")
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if payload != string(buf[:n]) {
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t.Fatalf("expected %s, got %s", payload, string(buf[:n]))
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}
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}
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func TestRegistration(t *testing.T) {
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ctx := context.Background()
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addr := "localhost:1234"
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srv := server.NewServer()
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go func() {
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err := srv.Listen(addr)
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if err != nil {
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t.Fatalf("failed to bind server: %s", err)
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}
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}()
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clientAlice := NewClient(ctx, addr, "alice")
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err := clientAlice.Connect()
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if err != nil {
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_ = srv.Close()
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t.Fatalf("failed to connect to server: %s", err)
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}
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err = clientAlice.Close()
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if err != nil {
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t.Errorf("failed to close conn: %s", err)
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}
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err = srv.Close()
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if err != nil {
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t.Errorf("failed to close server: %s", err)
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}
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}
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func TestRegistrationTimeout(t *testing.T) {
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ctx := context.Background()
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fakeUDPListener, err := net.ListenUDP("udp", &net.UDPAddr{
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Port: 1234,
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IP: net.ParseIP("0.0.0.0"),
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})
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if err != nil {
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t.Fatalf("failed to bind UDP server: %s", err)
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}
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defer func(fakeUDPListener *net.UDPConn) {
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_ = fakeUDPListener.Close()
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}(fakeUDPListener)
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fakeTCPListener, err := net.ListenTCP("tcp", &net.TCPAddr{
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Port: 1234,
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IP: net.ParseIP("0.0.0.0"),
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})
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if err != nil {
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t.Fatalf("failed to bind TCP server: %s", err)
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}
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defer func(fakeTCPListener *net.TCPListener) {
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_ = fakeTCPListener.Close()
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}(fakeTCPListener)
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clientAlice := NewClient(ctx, "127.0.0.1:1234", "alice")
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err = clientAlice.Connect()
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if err == nil {
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t.Errorf("failed to connect to server: %s", err)
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}
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log.Debugf("%s", err)
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err = clientAlice.Close()
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if err != nil {
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t.Errorf("failed to close conn: %s", err)
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}
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}
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func TestEcho(t *testing.T) {
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ctx := context.Background()
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idAlice := "alice"
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idBob := "bob"
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addr := "localhost:1234"
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srv := server.NewServer()
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go func() {
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err := srv.Listen(addr)
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if err != nil {
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t.Fatalf("failed to bind server: %s", err)
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}
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}()
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defer func() {
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err := srv.Close()
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if err != nil {
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t.Errorf("failed to close server: %s", err)
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}
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}()
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clientAlice := NewClient(ctx, addr, idAlice)
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err := clientAlice.Connect()
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if err != nil {
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t.Fatalf("failed to connect to server: %s", err)
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}
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defer func() {
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err := clientAlice.Close()
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if err != nil {
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t.Errorf("failed to close Alice client: %s", err)
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}
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}()
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clientBob := NewClient(ctx, addr, idBob)
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err = clientBob.Connect()
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if err != nil {
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t.Fatalf("failed to connect to server: %s", err)
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}
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defer func() {
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err := clientBob.Close()
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if err != nil {
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t.Errorf("failed to close Bob client: %s", err)
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}
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}()
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connAliceToBob, err := clientAlice.OpenConn(idBob)
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if err != nil {
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t.Fatalf("failed to bind channel: %s", err)
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}
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connBobToAlice, err := clientBob.OpenConn(idAlice)
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if err != nil {
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t.Fatalf("failed to bind channel: %s", err)
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}
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payload := "hello bob, I am alice"
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_, err = connAliceToBob.Write([]byte(payload))
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if err != nil {
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t.Fatalf("failed to write to channel: %s", err)
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}
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buf := make([]byte, 65535)
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n, err := connBobToAlice.Read(buf)
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if err != nil {
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t.Fatalf("failed to read from channel: %s", err)
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}
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_, err = connBobToAlice.Write(buf[:n])
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if err != nil {
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t.Fatalf("failed to write to channel: %s", err)
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}
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n, err = connAliceToBob.Read(buf)
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if err != nil {
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t.Fatalf("failed to read from channel: %s", err)
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}
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if payload != string(buf[:n]) {
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t.Fatalf("expected %s, got %s", payload, string(buf[:n]))
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}
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}
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func TestBindToUnavailabePeer(t *testing.T) {
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ctx := context.Background()
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addr := "localhost:1234"
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srv := server.NewServer()
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go func() {
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err := srv.Listen(addr)
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if err != nil {
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t.Fatalf("failed to bind server: %s", err)
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}
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}()
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defer func() {
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log.Infof("closing server")
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err := srv.Close()
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if err != nil {
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t.Errorf("failed to close server: %s", err)
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}
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}()
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clientAlice := NewClient(ctx, addr, "alice")
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err := clientAlice.Connect()
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if err != nil {
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t.Errorf("failed to connect to server: %s", err)
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}
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_, err = clientAlice.OpenConn("bob")
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if err != nil {
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t.Errorf("failed to bind channel: %s", err)
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}
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log.Infof("closing client")
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err = clientAlice.Close()
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if err != nil {
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t.Errorf("failed to close client: %s", err)
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}
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}
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func TestBindReconnect(t *testing.T) {
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ctx := context.Background()
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addr := "localhost:1234"
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srv := server.NewServer()
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go func() {
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err := srv.Listen(addr)
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if err != nil {
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t.Errorf("failed to bind server: %s", err)
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}
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}()
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defer func() {
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log.Infof("closing server")
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err := srv.Close()
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if err != nil {
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t.Errorf("failed to close server: %s", err)
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}
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}()
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clientAlice := NewClient(ctx, addr, "alice")
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err := clientAlice.Connect()
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if err != nil {
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t.Errorf("failed to connect to server: %s", err)
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}
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_, err = clientAlice.OpenConn("bob")
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if err != nil {
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t.Errorf("failed to bind channel: %s", err)
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}
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clientBob := NewClient(ctx, addr, "bob")
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err = clientBob.Connect()
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if err != nil {
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t.Errorf("failed to connect to server: %s", err)
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}
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chBob, err := clientBob.OpenConn("alice")
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if err != nil {
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t.Errorf("failed to bind channel: %s", err)
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}
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log.Infof("closing client Alice")
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err = clientAlice.Close()
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if err != nil {
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t.Errorf("failed to close client: %s", err)
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}
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clientAlice = NewClient(ctx, addr, "alice")
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err = clientAlice.Connect()
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if err != nil {
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t.Errorf("failed to connect to server: %s", err)
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}
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chAlice, err := clientAlice.OpenConn("bob")
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if err != nil {
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t.Errorf("failed to bind channel: %s", err)
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}
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testString := "hello alice, I am bob"
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_, err = chBob.Write([]byte(testString))
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if err != nil {
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t.Errorf("failed to write to channel: %s", err)
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}
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buf := make([]byte, 65535)
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n, err := chAlice.Read(buf)
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if err != nil {
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t.Errorf("failed to read from channel: %s", err)
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}
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if testString != string(buf[:n]) {
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t.Errorf("expected %s, got %s", testString, string(buf[:n]))
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}
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log.Infof("closing client")
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err = clientAlice.Close()
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if err != nil {
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t.Errorf("failed to close client: %s", err)
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}
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}
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func TestCloseConn(t *testing.T) {
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ctx := context.Background()
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addr := "localhost:1234"
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srv := server.NewServer()
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go func() {
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err := srv.Listen(addr)
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if err != nil {
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t.Errorf("failed to bind server: %s", err)
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}
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}()
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defer func() {
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log.Infof("closing server")
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err := srv.Close()
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if err != nil {
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t.Errorf("failed to close server: %s", err)
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}
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}()
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clientAlice := NewClient(ctx, addr, "alice")
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err := clientAlice.Connect()
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if err != nil {
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t.Errorf("failed to connect to server: %s", err)
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}
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conn, err := clientAlice.OpenConn("bob")
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if err != nil {
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t.Errorf("failed to bind channel: %s", err)
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}
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log.Infof("closing connection")
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err = conn.Close()
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if err != nil {
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t.Errorf("failed to close connection: %s", err)
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}
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_, err = conn.Read(make([]byte, 1))
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if err == nil {
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t.Errorf("unexpected reading from closed connection")
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}
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_, err = conn.Write([]byte("hello"))
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if err == nil {
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t.Errorf("unexpected writing from closed connection")
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}
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}
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func TestCloseRelayConn(t *testing.T) {
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ctx := context.Background()
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addr := "localhost:1234"
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srv := server.NewServer()
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go func() {
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err := srv.Listen(addr)
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if err != nil {
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t.Errorf("failed to bind server: %s", err)
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}
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}()
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defer func() {
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err := srv.Close()
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if err != nil {
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log.Errorf("failed to close server: %s", err)
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}
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}()
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clientAlice := NewClient(ctx, addr, "alice")
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err := clientAlice.Connect()
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if err != nil {
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t.Fatalf("failed to connect to server: %s", err)
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}
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conn, err := clientAlice.OpenConn("bob")
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if err != nil {
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t.Errorf("failed to bind channel: %s", err)
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}
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_ = clientAlice.relayConn.Close()
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_, err = conn.Read(make([]byte, 1))
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if err == nil {
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t.Errorf("unexpected reading from closed connection")
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}
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_, err = clientAlice.OpenConn("bob")
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if err == nil {
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t.Errorf("unexpected opening connection to closed server")
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}
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}
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func TestCloseByServer(t *testing.T) {
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ctx := context.Background()
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addr1 := "localhost:1234"
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srv1 := server.NewServer()
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go func() {
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err := srv1.Listen(addr1)
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if err != nil {
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t.Fatalf("failed to bind server: %s", err)
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}
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}()
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idAlice := "alice"
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log.Debugf("connect by alice")
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relayClient := NewClient(ctx, addr1, idAlice)
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err := relayClient.Connect()
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if err != nil {
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log.Fatalf("failed to connect to server: %s", err)
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}
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disconnected := make(chan struct{})
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relayClient.SetOnDisconnectListener(func() {
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log.Infof("client disconnected")
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close(disconnected)
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})
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err = srv1.Close()
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if err != nil {
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t.Fatalf("failed to close server: %s", err)
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}
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select {
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case <-disconnected:
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case <-time.After(3 * time.Second):
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log.Fatalf("timeout waiting for client to disconnect")
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}
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_, err = relayClient.OpenConn("bob")
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if err == nil {
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t.Errorf("unexpected opening connection to closed server")
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}
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}
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func TestCloseByClient(t *testing.T) {
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ctx := context.Background()
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addr1 := "localhost:1234"
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srv := server.NewServer()
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go func() {
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err := srv.Listen(addr1)
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if err != nil {
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t.Fatalf("failed to bind server: %s", err)
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}
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}()
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idAlice := "alice"
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log.Debugf("connect by alice")
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relayClient := NewClient(ctx, addr1, idAlice)
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err := relayClient.Connect()
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if err != nil {
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log.Fatalf("failed to connect to server: %s", err)
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}
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err = relayClient.Close()
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if err != nil {
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t.Errorf("failed to close client: %s", err)
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}
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_, err = relayClient.OpenConn("bob")
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if err == nil {
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t.Errorf("unexpected opening connection to closed server")
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}
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err = srv.Close()
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if err != nil {
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t.Fatalf("failed to close server: %s", err)
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}
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}
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