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https://gitee.com/milvus-io/milvus.git
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89 lines
2.7 KiB
Go
89 lines
2.7 KiB
Go
package server
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import (
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"context"
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"google.golang.org/grpc"
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"github.com/milvus-io/milvus/internal/streamingnode/client/handler/registry"
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"github.com/milvus-io/milvus/internal/streamingnode/server/service"
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"github.com/milvus-io/milvus/internal/streamingnode/server/walmanager"
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"github.com/milvus-io/milvus/internal/util/initcore"
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"github.com/milvus-io/milvus/internal/util/sessionutil"
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"github.com/milvus-io/milvus/pkg/v2/log"
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"github.com/milvus-io/milvus/pkg/v2/proto/streamingpb"
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_ "github.com/milvus-io/milvus/pkg/v2/streaming/walimpls/impls/kafka"
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_ "github.com/milvus-io/milvus/pkg/v2/streaming/walimpls/impls/pulsar"
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_ "github.com/milvus-io/milvus/pkg/v2/streaming/walimpls/impls/rmq"
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"github.com/milvus-io/milvus/pkg/v2/util/paramtable"
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)
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// Server is the streamingnode server.
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type Server struct {
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// session of current server.
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session *sessionutil.Session
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grpcServer *grpc.Server
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// service level instances.
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handlerService service.HandlerService
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managerService service.ManagerService
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// basic component instances.
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walManager walmanager.Manager
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}
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// Init initializes the streamingnode server.
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func (s *Server) Init(ctx context.Context) (err error) {
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log.Info("init streamingnode server...")
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// init all basic components.
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s.initBasicComponent(ctx)
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// init all service.
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s.initService(ctx)
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log.Info("streamingnode server initialized")
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// init storage v2 file system.
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err = initcore.InitStorageV2FileSystem(paramtable.Get())
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if 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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// Start starts the streamingnode server.
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func (s *Server) Start() {
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}
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// Stop stops the streamingnode server.
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func (s *Server) Stop() {
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log.Info("stopping streamingnode server...")
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log.Info("close wal manager...")
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s.walManager.Close()
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log.Info("streamingnode server stopped")
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log.Info("stopping flusher...")
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}
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// initBasicComponent initialize all underlying dependency for streamingnode.
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func (s *Server) initBasicComponent(_ context.Context) {
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var err error
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s.walManager, err = walmanager.OpenManager()
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if err != nil {
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panic("open wal manager failed")
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}
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// Register the wal manager to the local registry.
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registry.RegisterLocalWALManager(s.walManager)
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}
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// initService initializes the grpc service.
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func (s *Server) initService(_ context.Context) {
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s.handlerService = service.NewHandlerService(s.walManager)
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s.managerService = service.NewManagerService(s.walManager)
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s.registerGRPCService(s.grpcServer)
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}
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// registerGRPCService register all grpc service to grpc server.
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func (s *Server) registerGRPCService(grpcServer *grpc.Server) {
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streamingpb.RegisterStreamingNodeHandlerServiceServer(grpcServer, s.handlerService)
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streamingpb.RegisterStreamingNodeManagerServiceServer(grpcServer, s.managerService)
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}
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