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package pluginworkers
import (
"context"
"net"
"sync"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/master_pb"
"google.golang.org/grpc"
"google.golang.org/protobuf/proto"
"testing"
)
// MasterServer provides a stub master gRPC service for topology responses.
type MasterServer struct {
master_pb.UnimplementedSeaweedServer
t *testing.T
server *grpc.Server
listener net.Listener
address string
mu sync.RWMutex
response *master_pb.VolumeListResponse
}
// NewMasterServer starts a stub master server that serves the provided response.
func NewMasterServer(t *testing.T, response *master_pb.VolumeListResponse) *MasterServer {
t.Helper()
listener, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatalf("listen master: %v", err)
}
server := pb.NewGrpcServer()
ms := &MasterServer{
t: t,
server: server,
listener: listener,
address: listener.Addr().String(),
response: response,
}
master_pb.RegisterSeaweedServer(server, ms)
go func() {
_ = server.Serve(listener)
}()
t.Cleanup(func() {
ms.Shutdown()
})
return ms
}
// Address returns the gRPC address of the master server.
func (m *MasterServer) Address() string {
return m.address
}
// SetVolumeListResponse updates the response served by VolumeList.
func (m *MasterServer) SetVolumeListResponse(response *master_pb.VolumeListResponse) {
m.mu.Lock()
defer m.mu.Unlock()
m.response = response
}
// VolumeList returns the configured topology response.
func (m *MasterServer) VolumeList(ctx context.Context, req *master_pb.VolumeListRequest) (*master_pb.VolumeListResponse, error) {
m.mu.RLock()
defer m.mu.RUnlock()
if m.response == nil {
return &master_pb.VolumeListResponse{}, nil
}
return proto.Clone(m.response).(*master_pb.VolumeListResponse), nil
}
// Shutdown stops the master gRPC server.
func (m *MasterServer) Shutdown() {
if m.server != nil {
m.server.GracefulStop()
}
if m.listener != nil {
_ = m.listener.Close()
}
}