mirror of
https://gitee.com/milvus-io/milvus.git
synced 2025-12-06 17:18:35 +08:00
93 lines
2.7 KiB
Go
93 lines
2.7 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package grpcdatanodeclient
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import (
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"context"
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"time"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/util/retry"
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otgrpc "github.com/opentracing-contrib/go-grpc"
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"github.com/opentracing/opentracing-go"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/datapb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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"github.com/milvus-io/milvus/internal/proto/milvuspb"
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"go.uber.org/zap"
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"google.golang.org/grpc"
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)
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type Client struct {
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ctx context.Context
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grpc datapb.DataNodeClient
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conn *grpc.ClientConn
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address string
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}
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func NewClient(address string) *Client {
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return &Client{
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address: address,
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ctx: context.Background(),
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}
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}
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func (c *Client) Init() error {
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tracer := opentracing.GlobalTracer()
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connectGrpcFunc := func() error {
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log.Debug("DataNode connect ", zap.String("address", c.address))
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conn, err := grpc.DialContext(c.ctx, c.address, grpc.WithInsecure(), grpc.WithBlock(),
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grpc.WithUnaryInterceptor(
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otgrpc.OpenTracingClientInterceptor(tracer)),
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grpc.WithStreamInterceptor(
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otgrpc.OpenTracingStreamClientInterceptor(tracer)))
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if err != nil {
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return err
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}
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c.conn = conn
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return nil
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}
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err := retry.Retry(100000, time.Millisecond*200, connectGrpcFunc)
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if err != nil {
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return err
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}
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c.grpc = datapb.NewDataNodeClient(c.conn)
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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(ctx context.Context) (*internalpb.ComponentStates, error) {
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return c.grpc.GetComponentStates(ctx, &internalpb.GetComponentStatesRequest{})
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}
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func (c *Client) GetStatisticsChannel(ctx context.Context) (*milvuspb.StringResponse, error) {
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return c.grpc.GetStatisticsChannel(ctx, &internalpb.GetStatisticsChannelRequest{})
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}
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func (c *Client) WatchDmChannels(ctx context.Context, req *datapb.WatchDmChannelsRequest) (*commonpb.Status, error) {
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return c.grpc.WatchDmChannels(ctx, req)
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}
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func (c *Client) FlushSegments(ctx context.Context, req *datapb.FlushSegmentsRequest) (*commonpb.Status, error) {
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return c.grpc.FlushSegments(ctx, req)
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}
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