mirror of https://github.com/milvus-io/milvus.git
149 lines
3.4 KiB
Go
149 lines
3.4 KiB
Go
package grpcproxyservice
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import (
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"context"
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"fmt"
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"log"
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"net"
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"strconv"
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"sync"
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"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
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"github.com/zilliztech/milvus-distributed/internal/proto/internalpb2"
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"github.com/zilliztech/milvus-distributed/internal/proto/milvuspb"
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"github.com/zilliztech/milvus-distributed/internal/proto/proxypb"
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"github.com/zilliztech/milvus-distributed/internal/proxyservice"
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"github.com/zilliztech/milvus-distributed/internal/util/funcutil"
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"google.golang.org/grpc"
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)
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type Server struct {
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ctx context.Context
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wg sync.WaitGroup
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grpcServer *grpc.Server
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grpcErrChan chan error
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impl *proxyservice.ServiceImpl
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}
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func NewServer(ctx context.Context) (*Server, error) {
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server := &Server{
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ctx: ctx,
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grpcErrChan: make(chan error),
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}
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var err error
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server.impl, err = proxyservice.NewServiceImpl(server.ctx)
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if err != nil {
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return nil, err
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}
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return server, err
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}
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func (s *Server) Run() error {
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if err := s.init(); err != nil {
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return err
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}
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if err := s.start(); err != nil {
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return err
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}
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return nil
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}
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func (s *Server) init() error {
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Params.Init()
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proxyservice.Params.Init()
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s.wg.Add(1)
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go s.startGrpcLoop(Params.ServicePort)
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// wait for grpc server loop start
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if err := <-s.grpcErrChan; err != nil {
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return err
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}
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s.impl.UpdateStateCode(internalpb2.StateCode_INITIALIZING)
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if err := s.impl.Init(); err != nil {
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return err
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}
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return nil
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}
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func (s *Server) startGrpcLoop(grpcPort int) {
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defer s.wg.Done()
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fmt.Println("network port: ", grpcPort)
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lis, err := net.Listen("tcp", ":"+strconv.Itoa(grpcPort))
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if err != nil {
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log.Printf("GrpcServer:failed to listen: %v", err)
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s.grpcErrChan <- err
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return
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}
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ctx, cancel := context.WithCancel(s.ctx)
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defer cancel()
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s.grpcServer = grpc.NewServer()
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proxypb.RegisterProxyServiceServer(s.grpcServer, s)
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milvuspb.RegisterProxyServiceServer(s.grpcServer, s)
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go funcutil.CheckGrpcReady(ctx, s.grpcErrChan)
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if err := s.grpcServer.Serve(lis); err != nil {
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s.grpcErrChan <- err
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}
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}
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func (s *Server) start() error {
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fmt.Println("proxy ServiceImpl start ...")
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if err := s.impl.Start(); err != nil {
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return err
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}
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return nil
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}
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func (s *Server) Stop() error {
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s.impl.Stop()
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if s.grpcServer != nil {
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s.grpcServer.GracefulStop()
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}
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s.wg.Wait()
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return nil
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}
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func (s *Server) RegisterLink(ctx context.Context, empty *commonpb.Empty) (*milvuspb.RegisterLinkResponse, error) {
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return s.impl.RegisterLink()
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}
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func (s *Server) RegisterNode(ctx context.Context, request *proxypb.RegisterNodeRequest) (*proxypb.RegisterNodeResponse, error) {
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return s.impl.RegisterNode(request)
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}
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func (s *Server) InvalidateCollectionMetaCache(ctx context.Context, request *proxypb.InvalidateCollMetaCacheRequest) (*commonpb.Status, error) {
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return &commonpb.Status{}, s.impl.InvalidateCollectionMetaCache(request)
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}
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func (s *Server) GetTimeTickChannel(ctx context.Context, empty *commonpb.Empty) (*milvuspb.StringResponse, error) {
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channel, err := s.impl.GetTimeTickChannel()
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if err != nil {
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return &milvuspb.StringResponse{
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Status: &commonpb.Status{
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ErrorCode: commonpb.ErrorCode_UNEXPECTED_ERROR,
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Reason: err.Error(),
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},
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Value: "",
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}, nil
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}
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return &milvuspb.StringResponse{
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Value: channel,
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}, nil
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}
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func (s *Server) GetComponentStates(ctx context.Context, empty *commonpb.Empty) (*internalpb2.ComponentStates, error) {
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return s.impl.GetComponentStates()
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}
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