2021-10-25 20:19:25 +08:00
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// 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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2021-04-19 11:35:38 +08:00
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// with the License. You may obtain a copy of the License at
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//
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2021-10-25 20:19:25 +08:00
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// http://www.apache.org/licenses/LICENSE-2.0
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2021-04-19 11:35:38 +08:00
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//
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2021-10-25 20:19:25 +08:00
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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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2021-09-10 11:26:00 +08:00
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2021-06-22 10:42:07 +08:00
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package datacoord
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2021-01-22 19:43:27 +08:00
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import (
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2021-02-26 17:44:24 +08:00
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"context"
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2023-06-09 01:28:37 +08:00
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"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
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2021-06-22 16:14:09 +08:00
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"github.com/milvus-io/milvus/internal/proto/rootcoordpb"
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2021-12-15 20:49:10 +08:00
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"github.com/milvus-io/milvus/internal/types"
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2023-04-06 19:14:32 +08:00
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"github.com/milvus-io/milvus/pkg/util/commonpbutil"
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"github.com/milvus-io/milvus/pkg/util/paramtable"
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)
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2021-12-23 15:12:21 +08:00
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// allocator is the interface that allocating `UniqueID` or `Timestamp`
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type allocator interface {
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allocTimestamp(context.Context) (Timestamp, error)
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allocID(context.Context) (UniqueID, error)
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}
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2021-12-08 17:35:06 +08:00
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// make sure rootCoordAllocator implements allocator interface
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var _ allocator = (*rootCoordAllocator)(nil)
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// rootCoordAllocator use RootCoord as allocator
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type rootCoordAllocator struct {
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types.RootCoordClient
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}
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2021-11-01 16:52:19 +08:00
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// newRootCoordAllocator gets an allocator from RootCoord
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func newRootCoordAllocator(rootCoordClient types.RootCoordClient) allocator {
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return &rootCoordAllocator{
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RootCoordClient: rootCoordClient,
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}
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}
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2021-11-01 16:50:33 +08:00
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// allocTimestamp allocates a Timestamp
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// invoking RootCoord `AllocTimestamp`
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func (alloc *rootCoordAllocator) allocTimestamp(ctx context.Context) (Timestamp, error) {
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resp, err := alloc.AllocTimestamp(ctx, &rootcoordpb.AllocTimestampRequest{
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Base: commonpbutil.NewMsgBase(
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commonpbutil.WithMsgType(commonpb.MsgType_RequestTSO),
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commonpbutil.WithMsgID(0),
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commonpbutil.WithSourceID(paramtable.GetNodeID()),
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),
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Count: 1,
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})
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if err = VerifyResponse(resp, err); err != nil {
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return 0, err
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}
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return resp.Timestamp, nil
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}
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2021-11-01 16:54:07 +08:00
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// allocID allocates an `UniqueID` from RootCoord, invoking AllocID grpc
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func (alloc *rootCoordAllocator) allocID(ctx context.Context) (UniqueID, error) {
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resp, err := alloc.AllocID(ctx, &rootcoordpb.AllocIDRequest{
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Base: commonpbutil.NewMsgBase(
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commonpbutil.WithMsgType(commonpb.MsgType_RequestID),
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commonpbutil.WithMsgID(0),
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commonpbutil.WithSourceID(paramtable.GetNodeID()),
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),
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Count: 1,
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})
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2022-02-18 18:29:50 +08:00
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2021-02-23 09:58:06 +08:00
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if err = VerifyResponse(resp, err); err != nil {
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return 0, err
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}
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return resp.ID, nil
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}
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