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server.go
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server.go
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/*
* Copyright 2023 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package server
import (
"time"
grpc_middleware "github.com/grpc-ecosystem/go-grpc-middleware"
grpc_zap "github.com/grpc-ecosystem/go-grpc-middleware/logging/zap"
grpc_ratelimit "github.com/grpc-ecosystem/go-grpc-middleware/ratelimit"
grpc_recovery "github.com/grpc-ecosystem/go-grpc-middleware/recovery"
grpc_validator "github.com/grpc-ecosystem/go-grpc-middleware/validator"
grpc_prometheus "github.com/grpc-ecosystem/go-grpc-prometheus"
"go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc"
"google.golang.org/grpc"
"google.golang.org/grpc/health"
healthpb "google.golang.org/grpc/health/grpc_health_v1"
"google.golang.org/grpc/keepalive"
"google.golang.org/grpc/reflection"
trainerv1 "d7y.io/api/pkg/apis/trainer/v1"
logger "d7y.io/dragonfly/v2/internal/dflog"
"d7y.io/dragonfly/v2/pkg/rpc"
)
const (
// DefaultQPS is default qps of grpc server.
DefaultQPS = 10 * 1000
// DefaultBurst is default burst of grpc server.
DefaultBurst = 20 * 1000
// DefaultMaxConnectionIdle is default max connection idle of grpc keepalive.
DefaultMaxConnectionIdle = 10 * time.Minute
// DefaultMaxConnectionAge is default max connection age of grpc keepalive.
DefaultMaxConnectionAge = 12 * time.Hour
// DefaultMaxConnectionAgeGrace is default max connection age grace of grpc keepalive.
DefaultMaxConnectionAgeGrace = 5 * time.Minute
)
// New returns grpc server instance and register service on grpc server.
func New(trainerServerV1 trainerv1.TrainerServer, opts ...grpc.ServerOption) *grpc.Server {
limiter := rpc.NewRateLimiterInterceptor(DefaultQPS, DefaultBurst)
grpcServer := grpc.NewServer(append([]grpc.ServerOption{
grpc.KeepaliveParams(keepalive.ServerParameters{
MaxConnectionIdle: DefaultMaxConnectionIdle,
MaxConnectionAge: DefaultMaxConnectionAge,
MaxConnectionAgeGrace: DefaultMaxConnectionAgeGrace,
}),
grpc.UnaryInterceptor(grpc_middleware.ChainUnaryServer(
grpc_ratelimit.UnaryServerInterceptor(limiter),
otelgrpc.UnaryServerInterceptor(),
grpc_prometheus.UnaryServerInterceptor,
grpc_zap.UnaryServerInterceptor(logger.GrpcLogger.Desugar()),
grpc_validator.UnaryServerInterceptor(),
grpc_recovery.UnaryServerInterceptor(),
)),
grpc.StreamInterceptor(grpc_middleware.ChainStreamServer(
grpc_ratelimit.StreamServerInterceptor(limiter),
otelgrpc.StreamServerInterceptor(),
grpc_prometheus.StreamServerInterceptor,
grpc_zap.StreamServerInterceptor(logger.GrpcLogger.Desugar()),
grpc_validator.StreamServerInterceptor(),
grpc_recovery.StreamServerInterceptor(),
)),
}, opts...)...)
// Register servers on v1 version of the grpc server.
trainerv1.RegisterTrainerServer(grpcServer, trainerServerV1)
// Register health on grpc server.
healthpb.RegisterHealthServer(grpcServer, health.NewServer())
// Register reflection on grpc server.
reflection.Register(grpcServer)
return grpcServer
}