wehub-resource-sync
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91 lines
2.8 KiB
Go
91 lines
2.8 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "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
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package proxy
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import (
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"context"
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"strconv"
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"time"
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"github.com/milvus-io/milvus-proto/go-api/v3/commonpb"
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"github.com/milvus-io/milvus/pkg/v3/metrics"
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"github.com/milvus-io/milvus/pkg/v3/proto/rootcoordpb"
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"github.com/milvus-io/milvus/pkg/v3/util/commonpbutil"
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"github.com/milvus-io/milvus/pkg/v3/util/merr"
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"github.com/milvus-io/milvus/pkg/v3/util/paramtable"
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"github.com/milvus-io/milvus/pkg/v3/util/timerecord"
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)
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// timestampAllocator implements tsoAllocator.
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type timestampAllocator struct {
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tso timestampAllocatorInterface
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peerID UniqueID
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}
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// newTimestampAllocator creates a new timestampAllocator
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func newTimestampAllocator(tso timestampAllocatorInterface, peerID UniqueID) (*timestampAllocator, error) {
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a := ×tampAllocator{
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peerID: peerID,
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tso: tso,
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}
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return a, nil
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}
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func (ta *timestampAllocator) alloc(ctx context.Context, count uint32) ([]Timestamp, error) {
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tr := timerecord.NewTimeRecorder("applyTimestamp")
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ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
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defer cancel()
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req := &rootcoordpb.AllocTimestampRequest{
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Base: commonpbutil.NewMsgBase(
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commonpbutil.WithMsgType(commonpb.MsgType_RequestTSO),
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commonpbutil.WithSourceID(ta.peerID),
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),
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Count: count,
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}
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resp, err := ta.tso.AllocTimestamp(ctx, req)
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defer func() {
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metrics.ProxyApplyTimestampLatency.WithLabelValues(strconv.FormatInt(paramtable.GetNodeID(), 10)).Observe(float64(tr.ElapseSpan().Microseconds()) / 1000.0)
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}()
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if err != nil {
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return nil, merr.Wrap(err, "syncTimestamp Failed")
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}
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if resp.GetStatus().GetErrorCode() != commonpb.ErrorCode_Success {
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return nil, merr.Error(resp.GetStatus())
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}
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if resp == nil {
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return nil, merr.WrapErrServiceInternalMsg("empty AllocTimestampResponse")
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}
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start, cnt := resp.GetTimestamp(), resp.GetCount()
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ret := make([]Timestamp, cnt)
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for i := uint32(0); i < cnt; i++ {
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ret[i] = start + uint64(i)
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}
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return ret, nil
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}
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// AllocOne allocates a timestamp.
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func (ta *timestampAllocator) AllocOne(ctx context.Context) (Timestamp, error) {
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ret, err := ta.alloc(ctx, 1)
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if err != nil {
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return 0, err
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}
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return ret[0], nil
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}
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