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// _ _
// __ _____ __ ___ ___ __ _| |_ ___
// \ \ /\ / / _ \/ _` \ \ / / |/ _` | __/ _ \
// \ V V / __/ (_| |\ V /| | (_| | || __/
// \_/\_/ \___|\__,_| \_/ |_|\__,_|\__\___|
//
// Copyright © 2016 - 2024 Weaviate B.V. All rights reserved.
//
// CONTACT: [email protected]
//
package grpc
import (
"fmt"
"net"
"github.com/weaviate/weaviate/adapters/handlers/rest/state"
pbv0 "github.com/weaviate/weaviate/grpc/generated/protocol/v0"
pbv1 "github.com/weaviate/weaviate/grpc/generated/protocol/v1"
"github.com/weaviate/weaviate/usecases/auth/authentication/composer"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
_ "google.golang.org/grpc/encoding/gzip" // Install the gzip compressor
"google.golang.org/grpc/health/grpc_health_v1"
v0 "github.com/weaviate/weaviate/adapters/handlers/grpc/v0"
v1 "github.com/weaviate/weaviate/adapters/handlers/grpc/v1"
)
const maxMsgSize = 104858000 // 10mb, needs to be synchronized with clients
func CreateGRPCServer(state *state.State) *GRPCServer {
o := []grpc.ServerOption{
grpc.MaxRecvMsgSize(maxMsgSize),
grpc.MaxSendMsgSize(maxMsgSize),
}
// Add TLS creds for the GRPC connection, if defined.
if len(state.ServerConfig.Config.GRPC.CertFile) > 0 || len(state.ServerConfig.Config.GRPC.KeyFile) > 0 {
c, err := credentials.NewServerTLSFromFile(state.ServerConfig.Config.GRPC.CertFile,
state.ServerConfig.Config.GRPC.KeyFile)
if err != nil {
state.Logger.WithField("action", "grpc_startup").
Fatalf("grpc server TLS credential error: %s", err)
}
o = append(o, grpc.Creds(c))
}
s := grpc.NewServer(o...)
weaviateV0 := v0.NewService()
weaviateV1 := v1.NewService(
state.Traverser,
composer.New(
state.ServerConfig.Config.Authentication,
state.APIKey, state.OIDC),
state.ServerConfig.Config.Authentication.AnonymousAccess.Enabled,
state.SchemaManager,
state.BatchManager,
)
pbv0.RegisterWeaviateServer(s, weaviateV0)
pbv1.RegisterWeaviateServer(s, weaviateV1)
grpc_health_v1.RegisterHealthServer(s, weaviateV1)
return &GRPCServer{s}
}
func StartAndListen(s *GRPCServer, state *state.State) error {
lis, err := net.Listen("tcp", fmt.Sprintf(":%d",
state.ServerConfig.Config.GRPC.Port))
if err != nil {
return err
}
state.Logger.WithField("action", "grpc_startup").
Infof("grpc server listening at %v", lis.Addr())
if err := s.Serve(lis); err != nil {
return fmt.Errorf("failed to serve: %v", err)
}
return nil
}
type GRPCServer struct {
*grpc.Server
}
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