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