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Merge pull request #12667 from lemonlinger/implement-endpoint-manager…
…-and-resolver Implement Update method for EndpointManager
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package grpc_testing | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "net" | ||
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| "google.golang.org/grpc" | ||
| testpb "google.golang.org/grpc/test/grpc_testing" | ||
| ) | ||
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| // StubServer is borrowed from the interal package of grpc-go. | ||
| // See https://github.com/grpc/grpc-go/blob/master/internal/stubserver/stubserver.go | ||
| // Since it cannot be imported directly, we have to copy and paste it here, | ||
| // and useless code for our testing is removed. | ||
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| // StubServer is a server that is easy to customize within individual test | ||
| // cases. | ||
| type StubServer struct { | ||
| // Guarantees we satisfy this interface; panics if unimplemented methods are called. | ||
| testpb.TestServiceServer | ||
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| EmptyCallF func(ctx context.Context, in *testpb.Empty) (*testpb.Empty, error) | ||
| UnaryCallF func(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) | ||
| FullDuplexCallF func(stream testpb.TestService_FullDuplexCallServer) error | ||
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| s *grpc.Server | ||
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| // Network and Address are parameters for Listen. Defaults will be used if these are empty before Start. | ||
| Network string | ||
| Address string | ||
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| cleanups []func() // Lambdas executed in Stop(); populated by Start(). | ||
| } | ||
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| // EmptyCall is the handler for testpb.EmptyCall. | ||
| func (ss *StubServer) EmptyCall(ctx context.Context, in *testpb.Empty) (*testpb.Empty, error) { | ||
| return ss.EmptyCallF(ctx, in) | ||
| } | ||
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| // UnaryCall is the handler for testpb.UnaryCall. | ||
| func (ss *StubServer) UnaryCall(ctx context.Context, in *testpb.SimpleRequest) (*testpb.SimpleResponse, error) { | ||
| return ss.UnaryCallF(ctx, in) | ||
| } | ||
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| // FullDuplexCall is the handler for testpb.FullDuplexCall. | ||
| func (ss *StubServer) FullDuplexCall(stream testpb.TestService_FullDuplexCallServer) error { | ||
| return ss.FullDuplexCallF(stream) | ||
| } | ||
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| // Start starts the server and creates a client connected to it. | ||
| func (ss *StubServer) Start(sopts []grpc.ServerOption, dopts ...grpc.DialOption) error { | ||
| if ss.Network == "" { | ||
| ss.Network = "tcp" | ||
| } | ||
| if ss.Address == "" { | ||
| ss.Address = "localhost:0" | ||
| } | ||
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| lis, err := net.Listen(ss.Network, ss.Address) | ||
| if err != nil { | ||
| return fmt.Errorf("net.Listen(%q, %q) = %v", ss.Network, ss.Address, err) | ||
| } | ||
| ss.Address = lis.Addr().String() | ||
| ss.cleanups = append(ss.cleanups, func() { lis.Close() }) | ||
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| s := grpc.NewServer(sopts...) | ||
| testpb.RegisterTestServiceServer(s, ss) | ||
| go s.Serve(lis) | ||
| ss.cleanups = append(ss.cleanups, s.Stop) | ||
| ss.s = s | ||
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| return nil | ||
| } | ||
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| // Stop stops ss and cleans up all resources it consumed. | ||
| func (ss *StubServer) Stop() { | ||
| for i := len(ss.cleanups) - 1; i >= 0; i-- { | ||
| ss.cleanups[i]() | ||
| } | ||
| } | ||
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| // Addr gets the address the server listening on. | ||
| func (ss *StubServer) Addr() string { | ||
| return ss.Address | ||
| } |
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