mirror of
https://github.com/openimsdk/open-im-server.git
synced 2025-11-04 19:32:17 +08:00
99 lines
2.5 KiB
Go
99 lines
2.5 KiB
Go
package redis
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import (
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"context"
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"encoding/json"
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"github.com/dtm-labs/rockscache"
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"github.com/openimsdk/tools/errs"
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"github.com/openimsdk/tools/log"
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"github.com/redis/go-redis/v9"
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"golang.org/x/sync/singleflight"
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"time"
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"unsafe"
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)
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func getRocksCacheRedisClient(cli *rockscache.Client) redis.UniversalClient {
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type Client struct {
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rdb redis.UniversalClient
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_ rockscache.Options
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_ singleflight.Group
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}
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return (*Client)(unsafe.Pointer(cli)).rdb
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}
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func batchGetCache2[K comparable, V any](ctx context.Context, rcClient *rockscache.Client, expire time.Duration, ids []K, idKey func(id K) string, vId func(v *V) K, fn func(ctx context.Context, ids []K) ([]*V, error)) ([]*V, error) {
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if len(ids) == 0 {
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return nil, nil
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}
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findKeys := make([]string, 0, len(ids))
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keyId := make(map[string]K)
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for _, id := range ids {
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key := idKey(id)
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if _, ok := keyId[key]; ok {
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continue
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}
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keyId[key] = id
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findKeys = append(findKeys, key)
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}
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slotKeys, err := groupKeysBySlot(ctx, getRocksCacheRedisClient(rcClient), findKeys)
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if err != nil {
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return nil, err
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}
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result := make([]*V, 0, len(findKeys))
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for _, keys := range slotKeys {
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indexCache, err := rcClient.FetchBatch2(ctx, keys, expire, func(idx []int) (map[int]string, error) {
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queryIds := make([]K, 0, len(idx))
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idIndex := make(map[K]int)
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for _, index := range idx {
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id := keyId[keys[index]]
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idIndex[id] = index
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queryIds = append(queryIds, id)
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}
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values, err := fn(ctx, queryIds)
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if err != nil {
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log.ZError(ctx, "batchGetCache query database failed", err, "keys", keys, "queryIds", queryIds)
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return nil, err
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}
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if len(values) == 0 {
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return map[int]string{}, nil
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}
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cacheIndex := make(map[int]string)
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for _, value := range values {
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id := vId(value)
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index, ok := idIndex[id]
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if !ok {
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continue
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}
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bs, err := json.Marshal(value)
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if err != nil {
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log.ZError(ctx, "marshal failed", err)
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return nil, err
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}
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cacheIndex[index] = string(bs)
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}
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return cacheIndex, nil
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})
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if err != nil {
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return nil, errs.WrapMsg(err, "FetchBatch2 failed")
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}
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for index, data := range indexCache {
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if data == "" {
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continue
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}
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var value V
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if err := json.Unmarshal([]byte(data), &value); err != nil {
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return nil, errs.WrapMsg(err, "Unmarshal failed")
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}
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if cb, ok := any(&value).(BatchCacheCallback[K]); ok {
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cb.BatchCache(keyId[keys[index]])
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}
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result = append(result, &value)
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}
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}
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return result, nil
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}
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type BatchCacheCallback[K comparable] interface {
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BatchCache(id K)
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}
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