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128 lines
3.6 KiB
Go
128 lines
3.6 KiB
Go
package grpcqueryserviceclient
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import (
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"context"
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"errors"
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"log"
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"time"
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"google.golang.org/grpc"
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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/querypb"
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)
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type Client struct {
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grpcClient querypb.QueryServiceClient
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conn *grpc.ClientConn
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addr string
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timeout time.Duration
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retry int
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}
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func NewClient(address string, timeout time.Duration) (*Client, error) {
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return &Client{
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grpcClient: nil,
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conn: nil,
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addr: address,
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timeout: timeout,
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retry: 3,
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}, nil
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}
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func (c *Client) Init() error {
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ctx, cancel := context.WithTimeout(context.Background(), c.timeout)
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defer cancel()
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var err error
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for i := 0; i < c.retry; i++ {
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if c.conn, err = grpc.DialContext(ctx, c.addr, grpc.WithInsecure(), grpc.WithBlock()); err == nil {
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break
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}
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}
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if err != nil {
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return err
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}
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c.grpcClient = querypb.NewQueryServiceClient(c.conn)
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log.Printf("connected to queryService, queryService=%s", c.addr)
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return nil
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}
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func (c *Client) Start() error {
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return nil
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}
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func (c *Client) Stop() error {
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return c.conn.Close()
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}
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func (c *Client) GetComponentStates() (*internalpb2.ComponentStates, error) {
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return c.grpcClient.GetComponentStates(context.Background(), &commonpb.Empty{})
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}
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func (c *Client) GetTimeTickChannel() (string, error) {
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resp, err := c.grpcClient.GetTimeTickChannel(context.Background(), &commonpb.Empty{})
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if err != nil {
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return "", err
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}
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if resp.Status.ErrorCode != commonpb.ErrorCode_SUCCESS {
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return "", errors.New(resp.Status.Reason)
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}
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return resp.Value, nil
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}
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func (c *Client) GetStatisticsChannel() (string, error) {
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resp, err := c.grpcClient.GetStatisticsChannel(context.Background(), &commonpb.Empty{})
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if err != nil {
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return "", err
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}
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if resp.Status.ErrorCode != commonpb.ErrorCode_SUCCESS {
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return "", errors.New(resp.Status.Reason)
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}
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return resp.Value, nil
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}
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func (c *Client) RegisterNode(req *querypb.RegisterNodeRequest) (*querypb.RegisterNodeResponse, error) {
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return c.grpcClient.RegisterNode(context.TODO(), req)
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}
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func (c *Client) ShowCollections(req *querypb.ShowCollectionRequest) (*querypb.ShowCollectionResponse, error) {
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return c.grpcClient.ShowCollections(context.TODO(), req)
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}
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func (c *Client) LoadCollection(req *querypb.LoadCollectionRequest) (*commonpb.Status, error) {
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return c.grpcClient.LoadCollection(context.TODO(), req)
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}
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func (c *Client) ReleaseCollection(req *querypb.ReleaseCollectionRequest) (*commonpb.Status, error) {
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return c.grpcClient.ReleaseCollection(context.TODO(), req)
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}
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func (c *Client) ShowPartitions(req *querypb.ShowPartitionRequest) (*querypb.ShowPartitionResponse, error) {
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return c.grpcClient.ShowPartitions(context.TODO(), req)
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}
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func (c *Client) LoadPartitions(req *querypb.LoadPartitionRequest) (*commonpb.Status, error) {
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return c.grpcClient.LoadPartitions(context.TODO(), req)
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}
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func (c *Client) ReleasePartitions(req *querypb.ReleasePartitionRequest) (*commonpb.Status, error) {
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return c.grpcClient.ReleasePartitions(context.TODO(), req)
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}
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func (c *Client) CreateQueryChannel() (*querypb.CreateQueryChannelResponse, error) {
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return c.grpcClient.CreateQueryChannel(context.TODO(), &commonpb.Empty{})
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}
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func (c *Client) GetPartitionStates(req *querypb.PartitionStatesRequest) (*querypb.PartitionStatesResponse, error) {
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return c.grpcClient.GetPartitionStates(context.TODO(), req)
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}
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func (c *Client) GetSegmentInfo(req *querypb.SegmentInfoRequest) (*querypb.SegmentInfoResponse, error) {
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return c.grpcClient.GetSegmentInfo(context.TODO(), req)
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}
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