mirror of https://github.com/tikv/client-go.git
72 lines
2.4 KiB
Go
72 lines
2.4 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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// See the License for the specific language governing permissions and
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// limitations under the License.
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package txnsnapshot
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import (
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"github.com/pingcap/kvproto/pkg/kvrpcpb"
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"github.com/tikv/client-go/v2/internal/locate"
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"github.com/tikv/client-go/v2/internal/retry"
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"github.com/tikv/client-go/v2/tikvrpc"
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)
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// SnapshotProbe exposes some snapshot utilities for testing purpose.
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type SnapshotProbe struct {
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*KVSnapshot
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}
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// MergeRegionRequestStats merges RPC runtime stats into snapshot's stats.
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func (s SnapshotProbe) MergeRegionRequestStats(stats map[tikvrpc.CmdType]*locate.RPCRuntimeStats) {
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s.mergeRegionRequestStats(stats)
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}
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// RecordBackoffInfo records backoff stats into snapshot's stats.
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func (s SnapshotProbe) RecordBackoffInfo(bo *retry.Backoffer) {
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s.recordBackoffInfo(bo)
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}
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// MergeExecDetail merges exec stats into snapshot's stats.
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func (s SnapshotProbe) MergeExecDetail(detail *kvrpcpb.ExecDetailsV2) {
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s.mergeExecDetail(detail)
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}
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// FormatStats dumps information of stats.
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func (s SnapshotProbe) FormatStats() string {
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s.mu.Lock()
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defer s.mu.Unlock()
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return s.mu.stats.String()
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}
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// BatchGetSingleRegion gets a batch of keys from a region.
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func (s SnapshotProbe) BatchGetSingleRegion(bo *retry.Backoffer, region locate.RegionVerID, keys [][]byte, collectF func(k, v []byte)) error {
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return s.batchGetSingleRegion(bo, batchKeys{region: region, keys: keys}, collectF)
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}
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// NewScanner returns a scanner to iterate given key range.
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func (s SnapshotProbe) NewScanner(start, end []byte, batchSize int, reverse bool) (*Scanner, error) {
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return newScanner(s.KVSnapshot, start, end, batchSize, reverse)
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}
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// ConfigProbe exposes configurations and global variables for testing purpose.
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type ConfigProbe struct{}
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// GetScanBatchSize returns the batch size to scan ranges.
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func (c ConfigProbe) GetScanBatchSize() int {
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return defaultScanBatchSize
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}
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// GetGetMaxBackoff returns the max sleep for get command.
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func (c ConfigProbe) GetGetMaxBackoff() int {
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return getMaxBackoff
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}
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