frostfs-node/cmd/neofs-node/modules/grpc/routing.go
Stanislav Bogatyrev b7b5079934 Add Inner Ring code
2020-07-24 17:07:37 +03:00

115 lines
2.5 KiB
Go

// About "github.com/nspcc-dev/neofs-node/lib/grpc"
// there's just alias for "google.golang.org/grpc"
// with Service-interface
package grpc
import (
middleware "github.com/grpc-ecosystem/go-grpc-middleware"
gZap "github.com/grpc-ecosystem/go-grpc-middleware/logging/zap"
prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
libgrpc "github.com/nspcc-dev/neofs-node/pkg/network/transport/grpc"
"github.com/spf13/viper"
"go.uber.org/dig"
"go.uber.org/zap"
"google.golang.org/grpc"
)
type (
Service = libgrpc.Service
// ServerParams to create gRPC-server
// and provide service-handlers
ServerParams struct {
dig.In
Services []Service
Logger *zap.Logger
Viper *viper.Viper
}
// ServicesResult ...
ServicesResult struct {
dig.Out
Services []Service
}
// Server type-alias
Server = grpc.Server
// CallOption type-alias
CallOption = grpc.CallOption
// ClientConn type-alias
ClientConn = grpc.ClientConn
// ServerOption type-alias
ServerOption = grpc.ServerOption
)
var (
// DialContext func-alias
DialContext = grpc.DialContext
// WithBlock func-alias
WithBlock = grpc.WithBlock
// WithInsecure func-alias
WithInsecure = grpc.WithInsecure
)
// NewServer creates a gRPC server which has no service registered and has not
// started to accept requests yet.
func NewServer(opts ...ServerOption) *Server {
return grpc.NewServer(opts...)
}
// creates new gRPC server and attach handlers.
func routing(p ServerParams) *grpc.Server {
var (
options []ServerOption
stream []grpc.StreamServerInterceptor
unary []grpc.UnaryServerInterceptor
)
if p.Viper.GetBool("node.grpc.billing") {
unary = append(unary, unaryBilling)
stream = append(stream, streamBilling)
}
if p.Viper.GetBool("node.grpc.logging") {
stream = append(stream, gZap.StreamServerInterceptor(p.Logger))
unary = append(unary, gZap.UnaryServerInterceptor(p.Logger))
}
if p.Viper.GetBool("node.grpc.metrics") {
stream = append(stream, prometheus.StreamServerInterceptor)
unary = append(unary, prometheus.UnaryServerInterceptor)
}
// Add stream options:
if len(stream) > 0 {
options = append(options,
grpc.StreamInterceptor(middleware.ChainStreamServer(stream...)),
)
}
// Add unary options:
if len(unary) > 0 {
options = append(options,
grpc.UnaryInterceptor(middleware.ChainUnaryServer(unary...)),
)
}
g := grpc.NewServer(options...)
// Service services here:
for _, service := range p.Services {
p.Logger.Info("register gRPC service",
zap.String("service", service.Name()))
service.Register(g)
}
return g
}