package command_test import ( "context" "testing" "time" "github.com/golang/mock/gomock" "github.com/google/go-cmp/cmp" "github.com/google/go-cmp/cmp/cmpopts" "google.golang.org/grpc" "google.golang.org/grpc/test/bufconn" "github.com/v2fly/v2ray-core/v4/app/router" . "github.com/v2fly/v2ray-core/v4/app/router/command" "github.com/v2fly/v2ray-core/v4/app/stats" "github.com/v2fly/v2ray-core/v4/common" "github.com/v2fly/v2ray-core/v4/common/net" "github.com/v2fly/v2ray-core/v4/features/routing" "github.com/v2fly/v2ray-core/v4/testing/mocks" ) func TestServiceSubscribeRoutingStats(t *testing.T) { c := stats.NewChannel(&stats.ChannelConfig{ SubscriberLimit: 1, BufferSize: 0, Blocking: true, }) common.Must(c.Start()) defer c.Close() lis := bufconn.Listen(1024 * 1024) bufDialer := func(context.Context, string) (net.Conn, error) { return lis.Dial() } testCases := []*RoutingContext{ {InboundTag: "in", OutboundTag: "out"}, {TargetIPs: [][]byte{{1, 2, 3, 4}}, TargetPort: 8080, OutboundTag: "out"}, {TargetDomain: "example.com", TargetPort: 443, OutboundTag: "out"}, {SourcePort: 9999, TargetPort: 9999, OutboundTag: "out"}, {Network: net.Network_UDP, OutboundGroupTags: []string{"outergroup", "innergroup"}, OutboundTag: "out"}, {Protocol: "bittorrent", OutboundTag: "blocked"}, {User: "example@v2fly.org", OutboundTag: "out"}, {SourceIPs: [][]byte{{127, 0, 0, 1}}, Attributes: map[string]string{"attr": "value"}, OutboundTag: "out"}, } errCh := make(chan error) nextPub := make(chan struct{}) // Server goroutine go func() { server := grpc.NewServer() RegisterRoutingServiceServer(server, NewRoutingServer(nil, c)) errCh <- server.Serve(lis) }() // Publisher goroutine go func() { publishTestCases := func() error { ctx, cancel := context.WithTimeout(context.Background(), time.Second) defer cancel() for { // Wait until there's one subscriber in routing stats channel if len(c.Subscribers()) > 0 { break } if ctx.Err() != nil { return ctx.Err() } } for _, tc := range testCases { c.Publish(context.Background(), AsRoutingRoute(tc)) time.Sleep(time.Millisecond) } return nil } if err := publishTestCases(); err != nil { errCh <- err } // Wait for next round of publishing <-nextPub if err := publishTestCases(); err != nil { errCh <- err } }() // Client goroutine go func() { defer lis.Close() conn, err := grpc.DialContext(context.Background(), "bufnet", grpc.WithContextDialer(bufDialer), grpc.WithInsecure()) if err != nil { errCh <- err return } defer conn.Close() client := NewRoutingServiceClient(conn) // Test retrieving all fields testRetrievingAllFields := func() error { streamCtx, streamClose := context.WithCancel(context.Background()) // Test the unsubscription of stream works well defer func() { streamClose() timeOutCtx, timeout := context.WithTimeout(context.Background(), time.Second) defer timeout() for { // Wait until there's no subscriber in routing stats channel if len(c.Subscribers()) == 0 { break } if timeOutCtx.Err() != nil { t.Error("unexpected subscribers not decreased in channel", timeOutCtx.Err()) } } }() stream, err := client.SubscribeRoutingStats(streamCtx, &SubscribeRoutingStatsRequest{}) if err != nil { return err } for _, tc := range testCases { msg, err := stream.Recv() if err != nil { return err } if r := cmp.Diff(msg, tc, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" { t.Error(r) } } // Test that double subscription will fail errStream, err := client.SubscribeRoutingStats(context.Background(), &SubscribeRoutingStatsRequest{ FieldSelectors: []string{"ip", "port", "domain", "outbound"}, }) if err != nil { return err } if _, err := errStream.Recv(); err == nil { t.Error("unexpected successful subscription") } return nil } // Test retrieving only a subset of fields testRetrievingSubsetOfFields := func() error { streamCtx, streamClose := context.WithCancel(context.Background()) defer streamClose() stream, err := client.SubscribeRoutingStats(streamCtx, &SubscribeRoutingStatsRequest{ FieldSelectors: []string{"ip", "port", "domain", "outbound"}, }) if err != nil { return err } // Send nextPub signal to start next round of publishing close(nextPub) for _, tc := range testCases { msg, err := stream.Recv() if err != nil { return err } stat := &RoutingContext{ // Only a subset of stats is retrieved SourceIPs: tc.SourceIPs, TargetIPs: tc.TargetIPs, SourcePort: tc.SourcePort, TargetPort: tc.TargetPort, TargetDomain: tc.TargetDomain, OutboundGroupTags: tc.OutboundGroupTags, OutboundTag: tc.OutboundTag, } if r := cmp.Diff(msg, stat, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" { t.Error(r) } } return nil } if err := testRetrievingAllFields(); err != nil { errCh <- err } if err := testRetrievingSubsetOfFields(); err != nil { errCh <- err } errCh <- nil // Client passed all tests successfully }() // Wait for goroutines to complete select { case <-time.After(2 * time.Second): t.Fatal("Test timeout after 2s") case err := <-errCh: if err != nil { t.Fatal(err) } } } func TestSerivceTestRoute(t *testing.T) { c := stats.NewChannel(&stats.ChannelConfig{ SubscriberLimit: 1, BufferSize: 16, Blocking: true, }) common.Must(c.Start()) defer c.Close() r := new(router.Router) mockCtl := gomock.NewController(t) defer mockCtl.Finish() common.Must(r.Init(&router.Config{ Rule: []*router.RoutingRule{ { InboundTag: []string{"in"}, TargetTag: &router.RoutingRule_Tag{Tag: "out"}, }, { Protocol: []string{"bittorrent"}, TargetTag: &router.RoutingRule_Tag{Tag: "blocked"}, }, { PortList: &net.PortList{Range: []*net.PortRange{{From: 8080, To: 8080}}}, TargetTag: &router.RoutingRule_Tag{Tag: "out"}, }, { SourcePortList: &net.PortList{Range: []*net.PortRange{{From: 9999, To: 9999}}}, TargetTag: &router.RoutingRule_Tag{Tag: "out"}, }, { Domain: []*router.Domain{{Type: router.Domain_Domain, Value: "com"}}, TargetTag: &router.RoutingRule_Tag{Tag: "out"}, }, { SourceGeoip: []*router.GeoIP{{CountryCode: "private", Cidr: []*router.CIDR{{Ip: []byte{127, 0, 0, 0}, Prefix: 8}}}}, TargetTag: &router.RoutingRule_Tag{Tag: "out"}, }, { UserEmail: []string{"example@v2fly.org"}, TargetTag: &router.RoutingRule_Tag{Tag: "out"}, }, { Networks: []net.Network{net.Network_UDP, net.Network_TCP}, TargetTag: &router.RoutingRule_Tag{Tag: "out"}, }, }, }, mocks.NewDNSClient(mockCtl), mocks.NewOutboundManager(mockCtl))) lis := bufconn.Listen(1024 * 1024) bufDialer := func(context.Context, string) (net.Conn, error) { return lis.Dial() } errCh := make(chan error) // Server goroutine go func() { server := grpc.NewServer() RegisterRoutingServiceServer(server, NewRoutingServer(r, c)) errCh <- server.Serve(lis) }() // Client goroutine go func() { defer lis.Close() conn, err := grpc.DialContext(context.Background(), "bufnet", grpc.WithContextDialer(bufDialer), grpc.WithInsecure()) if err != nil { errCh <- err } defer conn.Close() client := NewRoutingServiceClient(conn) testCases := []*RoutingContext{ {InboundTag: "in", OutboundTag: "out"}, {TargetIPs: [][]byte{{1, 2, 3, 4}}, TargetPort: 8080, OutboundTag: "out"}, {TargetDomain: "example.com", TargetPort: 443, OutboundTag: "out"}, {SourcePort: 9999, TargetPort: 9999, OutboundTag: "out"}, {Network: net.Network_UDP, Protocol: "bittorrent", OutboundTag: "blocked"}, {User: "example@v2fly.org", OutboundTag: "out"}, {SourceIPs: [][]byte{{127, 0, 0, 1}}, Attributes: map[string]string{"attr": "value"}, OutboundTag: "out"}, } // Test simple TestRoute testSimple := func() error { for _, tc := range testCases { route, err := client.TestRoute(context.Background(), &TestRouteRequest{RoutingContext: tc}) if err != nil { return err } if r := cmp.Diff(route, tc, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" { t.Error(r) } } return nil } // Test TestRoute with special options testOptions := func() error { sub, err := c.Subscribe() if err != nil { return err } for _, tc := range testCases { route, err := client.TestRoute(context.Background(), &TestRouteRequest{ RoutingContext: tc, FieldSelectors: []string{"ip", "port", "domain", "outbound"}, PublishResult: true, }) if err != nil { return err } stat := &RoutingContext{ // Only a subset of stats is retrieved SourceIPs: tc.SourceIPs, TargetIPs: tc.TargetIPs, SourcePort: tc.SourcePort, TargetPort: tc.TargetPort, TargetDomain: tc.TargetDomain, OutboundGroupTags: tc.OutboundGroupTags, OutboundTag: tc.OutboundTag, } if r := cmp.Diff(route, stat, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" { t.Error(r) } select { // Check that routing result has been published to statistics channel case msg, received := <-sub: if route, ok := msg.(routing.Route); received && ok { if r := cmp.Diff(AsProtobufMessage(nil)(route), tc, cmpopts.IgnoreUnexported(RoutingContext{})); r != "" { t.Error(r) } } else { t.Error("unexpected failure in receiving published routing result for testcase", tc) } case <-time.After(100 * time.Millisecond): t.Error("unexpected failure in receiving published routing result", tc) } } return nil } if err := testSimple(); err != nil { errCh <- err } if err := testOptions(); err != nil { errCh <- err } errCh <- nil // Client passed all tests successfully }() // Wait for goroutines to complete select { case <-time.After(2 * time.Second): t.Fatal("Test timeout after 2s") case err := <-errCh: if err != nil { t.Fatal(err) } } }