mirror of
https://github.com/netbirdio/netbird.git
synced 2024-12-15 03:11:02 +01:00
604 lines
14 KiB
Go
604 lines
14 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/relay/auth"
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"github.com/netbirdio/netbird/relay/auth/hmac"
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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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var (
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av = &auth.AllowAllAuth{}
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hmacTokenStore = &hmac.TokenStore{}
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serverListenAddr = "127.0.0.1:1234"
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serverURL = "rel://127.0.0.1:1234"
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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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srv := server.NewServer(serverURL, false, av)
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errChan := make(chan error, 1)
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go func() {
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listenCfg := server.ListenerConfig{Address: serverListenAddr}
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err := srv.Listen(listenCfg)
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if err != nil {
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errChan <- 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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// wait for server to start
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if err := waitForServerToStart(errChan); err != nil {
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t.Fatalf("failed to start server: %s", err)
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}
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t.Log("alice connecting to server")
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clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "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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t.Log("placeholder connecting to server")
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clientPlaceHolder := NewClient(ctx, serverURL, hmacTokenStore, "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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t.Log("Bob connecting to server")
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clientBob := NewClient(ctx, serverURL, hmacTokenStore, "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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t.Log("Alice open connection to Bob")
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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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t.Log("Bob open connection to Alice")
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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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srvCfg := server.ListenerConfig{Address: serverListenAddr}
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srv := server.NewServer(serverURL, false, av)
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errChan := make(chan error, 1)
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go func() {
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err := srv.Listen(srvCfg)
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if err != nil {
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errChan <- err
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}
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}()
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// wait for server to start
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if err := waitForServerToStart(errChan); err != nil {
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t.Fatalf("failed to start server: %s", err)
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}
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clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "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", hmacTokenStore, "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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srvCfg := server.ListenerConfig{Address: serverListenAddr}
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srv := server.NewServer(serverURL, false, av)
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errChan := make(chan error, 1)
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go func() {
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err := srv.Listen(srvCfg)
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if err != nil {
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errChan <- 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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// wait for servers to start
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if err := waitForServerToStart(errChan); err != nil {
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t.Fatalf("failed to start server: %s", err)
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}
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clientAlice := NewClient(ctx, serverURL, hmacTokenStore, 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, serverURL, hmacTokenStore, 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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srvCfg := server.ListenerConfig{Address: serverListenAddr}
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srv := server.NewServer(serverURL, false, av)
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errChan := make(chan error, 1)
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go func() {
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err := srv.Listen(srvCfg)
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if err != nil {
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errChan <- 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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// wait for servers to start
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if err := waitForServerToStart(errChan); err != nil {
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t.Fatalf("failed to start server: %s", err)
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}
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clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "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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srvCfg := server.ListenerConfig{Address: serverListenAddr}
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srv := server.NewServer(serverURL, false, av)
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errChan := make(chan error, 1)
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go func() {
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err := srv.Listen(srvCfg)
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if err != nil {
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errChan <- 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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// wait for servers to start
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if err := waitForServerToStart(errChan); err != nil {
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t.Fatalf("failed to start server: %s", err)
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}
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clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "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, serverURL, hmacTokenStore, "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, serverURL, hmacTokenStore, "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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srvCfg := server.ListenerConfig{Address: serverListenAddr}
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srv := server.NewServer(serverURL, false, av)
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errChan := make(chan error, 1)
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go func() {
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err := srv.Listen(srvCfg)
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if err != nil {
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errChan <- 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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// wait for servers to start
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if err := waitForServerToStart(errChan); err != nil {
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t.Fatalf("failed to start server: %s", err)
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}
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clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "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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srvCfg := server.ListenerConfig{Address: serverListenAddr}
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srv := server.NewServer(serverURL, false, av)
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errChan := make(chan error, 1)
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go func() {
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err := srv.Listen(srvCfg)
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if err != nil {
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errChan <- 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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// wait for servers to start
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if err := waitForServerToStart(errChan); err != nil {
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t.Fatalf("failed to start server: %s", err)
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}
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clientAlice := NewClient(ctx, serverURL, hmacTokenStore, "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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srvCfg := server.ListenerConfig{Address: serverListenAddr}
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srv1 := server.NewServer(serverURL, false, av)
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errChan := make(chan error, 1)
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go func() {
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err := srv1.Listen(srvCfg)
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if err != nil {
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errChan <- err
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}
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}()
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// wait for servers to start
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if err := waitForServerToStart(errChan); err != nil {
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t.Fatalf("failed to start server: %s", err)
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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, serverURL, hmacTokenStore, 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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srvCfg := server.ListenerConfig{Address: serverListenAddr}
|
|
srv := server.NewServer(serverURL, false, av)
|
|
errChan := make(chan error, 1)
|
|
go func() {
|
|
err := srv.Listen(srvCfg)
|
|
if err != nil {
|
|
errChan <- err
|
|
}
|
|
}()
|
|
|
|
// wait for servers to start
|
|
if err := waitForServerToStart(errChan); err != nil {
|
|
t.Fatalf("failed to start server: %s", err)
|
|
}
|
|
|
|
idAlice := "alice"
|
|
log.Debugf("connect by alice")
|
|
relayClient := NewClient(ctx, serverURL, hmacTokenStore, idAlice)
|
|
err := relayClient.Connect()
|
|
if err != nil {
|
|
log.Fatalf("failed to connect to server: %s", err)
|
|
}
|
|
|
|
err = relayClient.Close()
|
|
if err != nil {
|
|
t.Errorf("failed to close client: %s", err)
|
|
}
|
|
|
|
_, err = relayClient.OpenConn("bob")
|
|
if err == nil {
|
|
t.Errorf("unexpected opening connection to closed server")
|
|
}
|
|
|
|
err = srv.Close()
|
|
if err != nil {
|
|
t.Fatalf("failed to close server: %s", err)
|
|
}
|
|
}
|
|
|
|
func waitForServerToStart(errChan chan error) error {
|
|
select {
|
|
case err := <-errChan:
|
|
if err != nil {
|
|
return err
|
|
}
|
|
case <-time.After(300 * time.Millisecond):
|
|
return nil
|
|
}
|
|
return nil
|
|
}
|