func newGRPCBinding(ctx context.Context, tracer opentracing.Tracer, svc server.AddService, tracingLogger log.Logger) grpcBinding {
return grpcBinding{
sum: grpc.NewServer(
ctx,
kitot.TraceServer(tracer, "sum")(makeSumEndpoint(svc)),
servergrpc.DecodeSumRequest,
servergrpc.EncodeSumResponse,
grpc.ServerBefore(kitot.FromGRPCRequest(tracer, "", tracingLogger)),
),
concat: grpc.NewServer(
ctx,
kitot.TraceServer(tracer, "concat")(makeConcatEndpoint(svc)),
servergrpc.DecodeConcatRequest,
servergrpc.EncodeConcatResponse,
grpc.ServerBefore(kitot.FromGRPCRequest(tracer, "", tracingLogger)),
),
}
}
// MakeGRPCServer makes a set of endpoints available as a gRPC AddServer.
func MakeGRPCServer(ctx context.Context, endpoints Endpoints, tracer stdopentracing.Tracer, logger log.Logger) pb.AddServer {
options := []grpctransport.ServerOption{
grpctransport.ServerErrorLogger(logger),
}
return &grpcServer{
sum: grpctransport.NewServer(
ctx,
endpoints.SumEndpoint,
DecodeGRPCSumRequest,
EncodeGRPCSumResponse,
append(options, grpctransport.ServerBefore(opentracing.FromGRPCRequest(tracer, "Sum", logger)))...,
),
concat: grpctransport.NewServer(
ctx,
endpoints.ConcatEndpoint,
DecodeGRPCConcatRequest,
EncodeGRPCConcatResponse,
append(options, grpctransport.ServerBefore(opentracing.FromGRPCRequest(tracer, "Concat", logger)))...,
),
}
}