How to use Invoke method of grpc Package

Best K6 code snippet using grpc.Invoke

backchannel_example_test.go

Source:backchannel_example_test.go Github

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...47 if err != nil {48 return fmt.Errorf("get backchannel: %w", err)49 }50 fmt.Println("Gitaly sending vote to Praefect via backchannel")51 if err := backchannelConn.Invoke(52 stream.Context(), "/Praefect/VoteTransaction",53 &gitalypb.VoteTransactionRequest{}, &gitalypb.VoteTransactionResponse{},54 ); err != nil {55 return fmt.Errorf("invoke backchannel: %w", err)56 }57 fmt.Println("Gitaly received vote response via backchannel")58 fmt.Println("Gitaly responding to the transactional mutator")59 return stream.SendMsg(&gitalypb.CreateBranchResponse{})60 }),61 )62 defer srv.Stop()63 // Start the server64 go func() {65 if err := srv.Serve(ln); err != nil {66 fmt.Printf("failed to serve: %v", err)67 }68 }()69 fmt.Printf("Invoke with a multiplexed client:\n\n")70 if err := invokeWithMuxedClient(logger, ln.Addr().String()); err != nil {71 fmt.Printf("failed to invoke with muxed client: %v", err)72 return73 }74 fmt.Printf("\nInvoke with a non-multiplexed client:\n\n")75 if err := invokeWithNormalClient(ln.Addr().String()); err != nil {76 fmt.Printf("failed to invoke with non-muxed client: %v", err)77 return78 }79 // Output:80 // Invoke with a multiplexed client:81 //82 // Gitaly received a transactional mutator83 // Gitaly sending vote to Praefect via backchannel84 // Praefect received vote via backchannel85 // Praefect responding via backchannel86 // Gitaly received vote response via backchannel87 // Gitaly responding to the transactional mutator88 //89 // Invoke with a non-multiplexed client:90 //91 // Gitaly received a transactional mutator92 // Gitaly responding to a non-multiplexed client93}94func invokeWithMuxedClient(logger *logrus.Entry, address string) error {95 // clientHandshaker's ClientHandshake gets called on each established connection. The Server returned by the96 // ServerFactory is started on Praefect's end of the connection, which Gitaly can call.97 clientHandshaker := backchannel.NewClientHandshaker(logger, func() backchannel.Server {98 return grpc.NewServer(grpc.UnknownServiceHandler(func(srv interface{}, stream grpc.ServerStream) error {99 fmt.Println("Praefect received vote via backchannel")100 fmt.Println("Praefect responding via backchannel")101 return stream.SendMsg(&gitalypb.VoteTransactionResponse{})102 }))103 })104 return invokeWithOpts(address, grpc.WithTransportCredentials(clientHandshaker.ClientHandshake(insecure.NewCredentials())))105}106func invokeWithNormalClient(address string) error {107 return invokeWithOpts(address, grpc.WithInsecure())108}109func invokeWithOpts(address string, opts ...grpc.DialOption) error {110 clientConn, err := grpc.Dial(address, opts...)111 if err != nil {112 return fmt.Errorf("dial server: %w", err)113 }114 if err := clientConn.Invoke(context.Background(), "/Gitaly/Mutator", &gitalypb.CreateBranchRequest{}, &gitalypb.CreateBranchResponse{}); err != nil {115 return fmt.Errorf("call server: %w", err)116 }117 if err := clientConn.Close(); err != nil {118 return fmt.Errorf("close clientConn: %w", err)119 }120 return nil121}...

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cli_grpc.go

Source:cli_grpc.go Github

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...52}53func (g *GRpcClient) DeployContract(trans *rpc.Transaction) (*rpc.TxReceipt, rpc.StdError) {54 return g.contractGrpc.DeployContractReturnReceipt(trans)55}56func (g *GRpcClient) InvokeContractReturnHash(transaction *rpc.Transaction) (string, rpc.StdError) {57 return g.contractGrpc.InvokeContract(transaction)58}59func (g *GRpcClient) InvokeCrossChainContractReturnHash(transaction *rpc.Transaction, methodName rpc.CrossChainMethod) (string, rpc.StdError) {60 return "", nil61}62func (g *GRpcClient) InvokeContract(transaction *rpc.Transaction) (*rpc.TxReceipt, rpc.StdError) {63 return g.contractGrpc.InvokeContractReturnReceipt(transaction)64}65func (g *GRpcClient) InvokeCrossChainContract(transaction *rpc.Transaction, methodName rpc.CrossChainMethod) (*rpc.TxReceipt, rpc.StdError) {66 return nil, nil67}68func (g *GRpcClient) FileUpload(filePath string, description string, userList []string, nodeIdList []int, pushNodes []int, accountJson string, password string) (string, rpc.StdError) {69 return GrpcConnMgr.grpc.rpc.FileUpload(filePath, description, userList, nodeIdList, pushNodes, accountJson, password)70}71func (g *GRpcClient) SendTxReturnHash(transaction *rpc.Transaction) (string, rpc.StdError) {72 return g.transGrpc.SendTransaction(transaction)73}74func (g *GRpcClient) SendTx(transaction *rpc.Transaction) (*rpc.TxReceipt, rpc.StdError) {75 return g.transGrpc.SendTransactionReturnReceipt(transaction)76}77func (g *GRpcClient) GetTransactionByHash(txHash string) (*rpc.TransactionInfo, rpc.StdError) {78 return GrpcConnMgr.grpc.rpc.GetTransactionByHash(txHash)79}80func (g *GRpcClient) GetTxReceiptByPolling(txHash string, isPrivateTx bool) (*rpc.TxReceipt, rpc.StdError, bool) {81 return GrpcConnMgr.grpc.rpc.GetTxReceiptByPolling(txHash, isPrivateTx)82}83func (g *GRpcClient) GetTxCount() (*rpc.TransactionsCount, rpc.StdError) {84 return GrpcConnMgr.grpc.rpc.GetTxCount()85}86func (g *GRpcClient) GetChainHeight() (string, rpc.StdError) {87 return GrpcConnMgr.grpc.rpc.GetChainHeight()88}89func (g *GRpcClient) CompileContract(code string) (*rpc.CompileResult, rpc.StdError) {90 return GrpcConnMgr.grpc.rpc.CompileContract(code)91}92func (g *GRpcClient) SignAndInvokeCrossChainContract(transaction *rpc.Transaction, methodName rpc.CrossChainMethod, key interface{}) (*rpc.TxReceipt, rpc.StdError) {93 return GrpcConnMgr.grpc.rpc.SignAndInvokeCrossChainContract(transaction, methodName, key)94}95func (g *GRpcClient) Close() {96 if len(GrpcConnMgr.grpcs) > 0 {97 for _, grpc := range GrpcConnMgr.grpcs {98 grpc.gpc.Close()99 grpc.rpc.Close()100 }101 GrpcConnMgr.grpcs = []*GRpc{}102 }103}...

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grpcinvoke.go

Source:grpcinvoke.go Github

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...41 show()42 getservicehandler(filename, serivce, method string) *desc.MethodDescriptor43 getmessage(filename, method string) *dynamic.Message44}45type GrpcInvokeIf interface {46 initGrpc(target string, opts ...grpc.DialOption) error //初始化连接47 loadProto(ProtoSourceIf) error48 parseProto() error49 fillData() error50 protoMarshal() ([]byte, error)51 call(filename, service, method string, req map[string]interface{}, rep *map[string]interface{}, ctx context.Context, opts ...grpc.CallOption) error52}53type GrpcInvokeEngine struct {54 l ProtoSourceIf55 defaultInvoke56}57func (me *GrpcInvokeEngine) Call(filename, servicename, methodname string,58 req map[string]interface{}, rep *map[string]interface{}, ctx context.Context, opts ...grpc.CallOption) error {59 if err := me.call(filename, servicename, methodname, req, rep, ctx, opts...);60 err != nil {61 return err62 }63 return nil64}65func (me *GrpcInvokeEngine) SetKeyVal(filename, methodname, key string, value interface{}) {66 me.l.kv(filename, methodname, key, value)67}68func NewGrpcInvoke(loadder ProtoSourceIf, target string, opts ...grpc.DialOption) *GrpcInvokeEngine {69 app := &GrpcInvokeEngine{70 l: loadder,71 }72 if err := app.initGrpc(target, opts...); err != nil {73 return nil74 }75 if err := app.loadProto(app.l); err != nil {76 return nil77 }78 if err := app.parseProto(); err != nil {79 return nil80 }81 if err := app.fillData(); err != nil {82 return nil83 }...

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Invoke

Using AI Code Generation

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1func main() {2 conn, err := grpc.Dial("localhost:50051", grpc.WithInsecure())3 if err != nil {4 log.Fatalf("did not connect: %v", err)5 }6 defer conn.Close()7 c := pb.NewGreeterClient(conn)8 if len(os.Args) > 1 {9 }10 ctx, cancel := context.WithTimeout(context.Background(), time.Second)11 defer cancel()12 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})13 if err != nil {14 log.Fatalf("could not greet: %v", err)15 }16 log.Printf("Greeting: %s", r.Message)17}18func main() {19 conn, err := grpc.Dial("localhost:50051", grpc.WithInsecure())20 if err != nil {21 log.Fatalf("did not connect: %v", err)22 }23 defer conn.Close()24 c := pb.NewGreeterClient(conn)25 if len(os.Args) > 1 {26 }27 ctx, cancel := context.WithTimeout(context.Background(), time.Second)28 defer cancel()29 r, err := c.SayHelloAgain(ctx, &pb.HelloRequest{Name: name})30 if err != nil {31 log.Fatalf("could not greet: %v", err)32 }33 log.Printf("Greeting: %s", r.Message)34}35func main() {36 conn, err := grpc.Dial("localhost:50051", grpc.WithInsecure())37 if err != nil {38 log.Fatalf("did not connect: %v", err)39 }40 defer conn.Close()41 c := pb.NewGreeterClient(conn)42 if len(os.Args) > 1 {43 }44 ctx, cancel := context.WithTimeout(context.Background(), time.Second)45 defer cancel()46 r, err := c.SayHelloAgain(ctx, &pb.H

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Invoke

Using AI Code Generation

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1import (2func main() {3 conn, err := grpc.Dial("localhost:50051", grpc.WithInsecure())4 if err != nil {5 log.Fatalf("did not connect: %v", err)6 }7 defer conn.Close()8 c := NewGreeterClient(conn)9 ctx, cancel := context.WithTimeout(context.Background(), time.Second)10 defer cancel()11 r, err := c.Invoke(ctx, &HelloRequest{Name: name})12 if err != nil {13 log.Fatalf("could not greet: %v", err)14 }15 fmt.Println(r.GetMessage())16}17import (18func main() {19 conn, err := grpc.Dial("localhost:50051", grpc.WithInsecure())20 if err != nil {21 log.Fatalf("did not connect: %v", err)22 }23 defer conn.Close()24 c := NewGreeterClient(conn)25 ctx, cancel := context.WithTimeout(context.Background(), time.Second)26 defer cancel()27 r, err := c.Invoke(ctx, &HelloRequest{Name: name})28 if err != nil {29 log.Fatalf("could not greet: %v", err)30 }31 fmt.Println(r.GetMessage())32}

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Invoke

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1import (2const (3func main() {4 conn, err := grpc.Dial(address, grpc.WithInsecure())5 if err != nil {6 log.Fatalf("did not connect: %v", err)7 }8 defer conn.Close()9 c := pb.NewGreeterClient(conn)10 if len(os.Args) > 1 {11 }12 ctx, cancel := context.WithTimeout(context.Background(), time.Second)13 defer cancel()14 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})15 if err != nil {16 log.Fatalf("could not greet: %v", err)17 }18 fmt.Println(r.Message)19}20import (21const (22func main() {23 conn, err := grpc.Dial(address, grpc.WithInsecure())24 if err != nil {25 log.Fatalf("did not connect: %v", err)26 }27 defer conn.Close()28 c := pb.NewGreeterClient(conn)29 if len(os.Args) > 1 {30 }31 ctx, cancel := context.WithTimeout(context.Background(), time.Second)32 defer cancel()33 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})34 if err != nil {35 log.Fatalf("could not greet: %v", err)36 }37 fmt.Println(r.Message)38}39import (

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Invoke

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1import (2const (3func main() {4 creds, err := credentials.NewClientTLSFromFile("certs/server.crt", "localhost")5 if err != nil {6 log.Fatalf("could not load tls cert: %s", err)7 }8 conn, err := grpc.Dial(address, grpc.WithTransportCredentials(creds))9 if err != nil {10 log.Fatalf("did not connect: %v", err)11 }12 defer conn.Close()13 c := pb.NewGreeterClient(conn)14 if len(os.Args) > 1 {15 }16 ctx, cancel := context.WithTimeout(context.Background(), time.Second)17 defer cancel()18 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})19 if err != nil {20 log.Fatalf("could not greet: %v", err)21 }22 log.Printf("Greeting: %s", r.Message)23}24import (25const (26func main() {27 creds, err := credentials.NewClientTLSFromFile("certs/server.crt", "localhost")28 if err != nil {29 log.Fatalf("could not load tls cert: %s", err)30 }31 conn, err := grpc.Dial(address, grpc.WithTransportCredentials(creds))32 if err != nil {

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Invoke

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1import (2const (3func main() {4 conn, err := grpc.Dial(address, grpc.WithInsecure(), grpc.WithBlock())5 if err != nil {6 log.Fatalf("did not connect: %v", err)7 }8 defer conn.Close()9 c := pb.NewGreeterClient(conn)10 if len(os.Args) > 1 {11 }12 ctx, cancel := context.WithTimeout(context.Background(), time.Second)13 defer cancel()14 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})15 if err != nil {16 log.Fatalf("could not greet: %v", err)17 }18 log.Printf("Greeting: %s", r.Message)19}

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Invoke

Using AI Code Generation

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1import (2const (3type server struct {4}5func (s *server) SayHello(ctx context.Context, in *pb.HelloRequest) (*pb.HelloReply, error) {6 fmt.Println("Received: ", in.GetName())7 return &pb.HelloReply{Message: "Hello " + in.GetName()}, nil8}9func main() {10 lis, err := net.Listen("tcp", port)11 if err != nil {12 log.Fatalf("failed to listen: %v", err)13 }14 s := grpc.NewServer()15 pb.RegisterGreeterServer(s, &server{})16 if err := s.Serve(lis); err != nil {17 log.Fatalf("failed to serve: %v", err)18 }19}20import (21const (22func main() {23 conn, err := grpc.Dial(address, grpc.WithInsecure(), grpc.WithBlock())24 if err != nil {25 log.Fatalf("did not connect: %v", err)26 }27 defer conn.Close()28 c := pb.NewGreeterClient(conn)29 if len(os.Args) > 1 {30 }31 ctx, cancel := context.WithTimeout(context.Background(), time.Second)32 defer cancel()33 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})34 if err != nil {35 log.Fatalf("could not greet: %v", err)36 }37 log.Printf("Greeting: %s", r.Message)38}

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Invoke

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1func main() {2 flag.Parse()3 defer glog.Flush()4 conn, err := grpc.Dial(*serverAddr, grpc.WithInsecure())5 if err != nil {6 glog.Fatalf("fail to dial: %v", err)7 }8 defer conn.Close()9 client := pb.NewGreeterClient(conn)10 ctx, cancel := context.WithTimeout(context.Background(), time.Second)11 defer cancel()12 if len(os.Args) > 1 {13 }14 req := &pb.HelloRequest{Name: name}15 resp, err := client.SayHello(ctx, req)16 if err != nil {17 glog.Fatalf("could not greet: %v", err)18 }19 glog.Info(resp.Message)20}21func main() {22 flag.Parse()23 defer glog.Flush()24 conn, err := grpc.Dial(*serverAddr, grpc.WithInsecure())25 if err != nil {26 glog.Fatalf("fail to dial: %v", err)27 }28 defer conn.Close()29 client := pb.NewGreeterClient(conn)30 ctx, cancel := context.WithTimeout(context.Background(), time.Second)31 defer cancel()32 if len(os.Args) > 1 {33 }34 req := &pb.HelloRequest{Name: name}35 resp, err := client.SayHello(ctx, req)36 if err != nil {37 glog.Fatalf("could not greet: %v", err)38 }39 glog.Info(resp.Message)40}41func main() {42 flag.Parse()43 defer glog.Flush()44 conn, err := grpc.Dial(*serverAddr, grpc.WithInsecure())45 if err != nil {46 glog.Fatalf("fail to dial: %v", err)47 }48 defer conn.Close()49 client := pb.NewGreeterClient(conn

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Invoke

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1import (2const (3func main() {4 conn, err := grpc.Dial(address, grpc.WithInsecure(), grpc.WithBlock())5 if err != nil {6 log.Fatalf("did not connect: %v", err)7 }8 defer conn.Close()9 c := pb.NewGreeterClient(conn)10 if len(os.Args) > 1 {11 }12 ctx, cancel := context.WithTimeout(context.Background(), time.Second)13 defer cancel()14 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})15 if err != nil {16 log.Fatalf("could not greet: %v", err)17 }18 log.Printf("Greeting: %s", r.Message)19}20import (21const (22func main() {23 conn, err := grpc.Dial(address, grpc.WithInsecure(), grpc.WithBlock())24 if err != nil {25 log.Fatalf("did not connect: %v", err)26 }27 defer conn.Close()28 c := pb.NewGreeterClient(conn)29 if len(os.Args) > 1 {30 }31 ctx, cancel := context.WithTimeout(context.Background(), time.Second)32 defer cancel()33 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})34 if err != nil {35 log.Fatalf("could not greet: %v", err

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1import (2const (3func main() {4 conn, err := grpc.Dial(address, grpc.WithInsecure(), grpc.WithBlock())5 if err != nil {6 log.Fatalf("did not connect: %v", err)7 }8 defer conn.Close()9 c := pb.NewGreeterClient(conn)10 ctx, cancel := context.WithTimeout(context.Background(), time.Second)11 defer cancel()12 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})13 if err != nil {14 log.Fatalf("could not greet: %v", err)15 }16 fmt.Println("Greeting: ", r.Message)17}18import (19const (20func main() {21 conn, err := grpc.Dial(address, grpc.WithInsecure(), grpc.WithBlock())22 if err != nil {23 log.Fatalf("did not connect: %v", err)24 }25 defer conn.Close()26 c := pb.NewGreeterClient(conn)27 ctx, cancel := context.WithTimeout(context.Background(), time.Second)28 defer cancel()29 r, err := c.SayHello(ctx, &pb.HelloRequest{Name: name})30 if err != nil {31 log.Fatalf("could not greet: %v", err)32 }33 fmt.Println("Greeting: ", r.Message)34}35import (36const (37func main()

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