mirror of https://github.com/tikv/client-go.git
90 lines
2.6 KiB
Go
90 lines
2.6 KiB
Go
// Copyright 2021 TiKV Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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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// NOTE: The code in this file is based on code from the
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// TiDB project, licensed under the Apache License v 2.0
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//
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// https://github.com/pingcap/tidb/tree/cc5e161ac06827589c4966674597c137cc9e809c/store/tikv/tikvrpc/endpoint.go
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//
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// Copyright 2021 PingCAP, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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 tikvrpc
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import "github.com/pingcap/kvproto/pkg/metapb"
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// EndpointType represents the type of a remote endpoint..
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type EndpointType uint8
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// EndpointType type enums.
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const (
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TiKV EndpointType = iota
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TiFlash
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TiDB
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TiFlashMPP
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)
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// Name returns the name of endpoint type.
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func (t EndpointType) Name() string {
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switch t {
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case TiKV:
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return "tikv"
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case TiFlash:
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return "tiflash"
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case TiDB:
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return "tidb"
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case TiFlashMPP:
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return "tiflash_mpp"
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}
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return "unspecified"
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}
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// IsTiFlashRelatedType return true if it's tiflash or tiflash_mpp.
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func (t EndpointType) IsTiFlashRelatedType() bool {
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return t == TiFlash || t == TiFlashMPP
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}
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// Constants to determine engine type.
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// They should be synced with PD.
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const (
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EngineLabelKey = "engine"
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EngineLabelTiFlash = "tiflash"
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EngineLabelTiFlashMPP = "tiflash_mpp"
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)
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// GetStoreTypeByMeta gets store type by store meta pb.
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func GetStoreTypeByMeta(store *metapb.Store) EndpointType {
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for _, label := range store.Labels {
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if label.Key == EngineLabelKey && label.Value == EngineLabelTiFlash {
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return TiFlash
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}
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if label.Key == EngineLabelKey && label.Value == EngineLabelTiFlashMPP {
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return TiFlashMPP
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}
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}
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return TiKV
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}
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