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https://github.com/etcd-io/etcd.git
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d2ca782277
grpc 1.3 uses MaxMsgSize() to limit received message size. However, grpc 1.4 introduces a 4mb default limit on send message size. In etcd, server shouldn't be limit size of message that it can be sent. Hence, set maximum size of send message using MaxSendMsgSize().
70 lines
2.3 KiB
Go
70 lines
2.3 KiB
Go
// Copyright 2016 The etcd Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package v3rpc
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import (
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"crypto/tls"
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"math"
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"github.com/coreos/etcd/etcdserver"
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pb "github.com/coreos/etcd/etcdserver/etcdserverpb"
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"google.golang.org/grpc"
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"google.golang.org/grpc/credentials"
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"google.golang.org/grpc/grpclog"
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"google.golang.org/grpc/health"
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healthpb "google.golang.org/grpc/health/grpc_health_v1"
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)
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const (
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grpcOverheadBytes = 512 * 1024
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maxStreams = math.MaxUint32
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maxSendBytes = math.MaxInt32
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)
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func init() {
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grpclog.SetLogger(plog)
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}
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func Server(s *etcdserver.EtcdServer, tls *tls.Config) *grpc.Server {
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var opts []grpc.ServerOption
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opts = append(opts, grpc.CustomCodec(&codec{}))
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if tls != nil {
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opts = append(opts, grpc.Creds(credentials.NewTLS(tls)))
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}
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opts = append(opts, grpc.UnaryInterceptor(newUnaryInterceptor(s)))
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opts = append(opts, grpc.StreamInterceptor(newStreamInterceptor(s)))
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opts = append(opts, grpc.MaxRecvMsgSize(int(s.Cfg.MaxRequestBytes+grpcOverheadBytes)))
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opts = append(opts, grpc.MaxSendMsgSize(maxSendBytes))
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opts = append(opts, grpc.MaxConcurrentStreams(maxStreams))
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grpcServer := grpc.NewServer(opts...)
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pb.RegisterKVServer(grpcServer, NewQuotaKVServer(s))
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pb.RegisterWatchServer(grpcServer, NewWatchServer(s))
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pb.RegisterLeaseServer(grpcServer, NewQuotaLeaseServer(s))
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pb.RegisterClusterServer(grpcServer, NewClusterServer(s))
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pb.RegisterAuthServer(grpcServer, NewAuthServer(s))
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pb.RegisterMaintenanceServer(grpcServer, NewMaintenanceServer(s))
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// server should register all the services manually
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// use empty service name for all etcd services' health status,
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// see https://github.com/grpc/grpc/blob/master/doc/health-checking.md for more
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hsrv := health.NewServer()
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hsrv.SetServingStatus("", healthpb.HealthCheckResponse_SERVING)
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healthpb.RegisterHealthServer(grpcServer, hsrv)
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return grpcServer
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}
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