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Open-IM-Server/pkg/rpccache/online.go

107 lines
3.7 KiB

package rpccache
import (
"context"
"github.com/openimsdk/open-im-server/v3/pkg/common/storage/cache/cachekey"
"github.com/openimsdk/open-im-server/v3/pkg/localcache"
"github.com/openimsdk/open-im-server/v3/pkg/localcache/lru"
"github.com/openimsdk/open-im-server/v3/pkg/rpcclient"
"github.com/openimsdk/open-im-server/v3/pkg/util/useronline"
"github.com/openimsdk/tools/log"
"github.com/openimsdk/tools/mcontext"
"github.com/redis/go-redis/v9"
"math/rand"
"strconv"
"time"
)
func NewOnlineCache(user rpcclient.UserRpcClient, group *GroupLocalCache, rdb redis.UniversalClient, fn func(ctx context.Context, userID string, platformIDs []int32)) *OnlineCache {
x := &OnlineCache{
user: user,
group: group,
local: lru.NewSlotLRU(1024, localcache.LRUStringHash, func() lru.LRU[string, []int32] {
return lru.NewLayLRU[string, []int32](2048, cachekey.OnlineExpire/2, time.Second*3, localcache.EmptyTarget{}, func(key string, value []int32) {})
}),
}
go func() {
ctx := mcontext.SetOperationID(context.Background(), cachekey.OnlineChannel+strconv.FormatUint(rand.Uint64(), 10))
for message := range rdb.Subscribe(ctx, cachekey.OnlineChannel).Channel() {
userID, platformIDs, err := useronline.ParseUserOnlineStatus(message.Payload)
if err != nil {
log.ZError(ctx, "OnlineCache setUserOnline redis subscribe parseUserOnlineStatus", err, "payload", message.Payload, "channel", message.Channel)
continue
}
storageCache := x.setUserOnline(userID, platformIDs)
log.ZDebug(ctx, "OnlineCache setUserOnline", "userID", userID, "platformIDs", platformIDs, "payload", message.Payload, "storageCache", storageCache)
if fn != nil {
fn(ctx, userID, platformIDs)
}
}
}()
return x
}
type OnlineCache struct {
user rpcclient.UserRpcClient
group *GroupLocalCache
local lru.LRU[string, []int32]
}
func (o *OnlineCache) GetUserOnlinePlatform(ctx context.Context, userID string) ([]int32, error) {
platformIDs, err := o.local.Get(userID, func() ([]int32, error) {
return o.user.GetUserOnlinePlatform(ctx, userID)
})
if err != nil {
log.ZError(ctx, "OnlineCache GetUserOnlinePlatform", err, "userID", userID)
return nil, err
}
log.ZDebug(ctx, "OnlineCache GetUserOnlinePlatform", "userID", userID, "platformIDs", platformIDs)
return nil, err
}
func (o *OnlineCache) GetUserOnline(ctx context.Context, userID string) (bool, error) {
platformIDs, err := o.GetUserOnlinePlatform(ctx, userID)
if err != nil {
return false, err
}
return len(platformIDs) > 0, nil
}
//func (o *OnlineCache) GetUsersOnline(ctx context.Context, userIDs []string) ([]string, error) {
// onlineUserIDs := make([]string, 0, len(userIDs))
// for _, userID := range userIDs {
// online, err := o.GetUserOnline(ctx, userID)
// if err != nil {
// return nil, err
// }
// if online {
// onlineUserIDs = append(onlineUserIDs, userID)
// }
// }
// log.ZDebug(ctx, "OnlineCache GetUsersOnline", "userIDs", userIDs, "onlineUserIDs", onlineUserIDs)
// return onlineUserIDs, nil
//}
//
//func (o *OnlineCache) GetGroupOnline(ctx context.Context, groupID string) ([]string, error) {
// userIDs, err := o.group.GetGroupMemberIDs(ctx, groupID)
// if err != nil {
// return nil, err
// }
// var onlineUserIDs []string
// for _, userID := range userIDs {
// online, err := o.GetUserOnline(ctx, userID)
// if err != nil {
// return nil, err
// }
// if online {
// onlineUserIDs = append(onlineUserIDs, userID)
// }
// }
// log.ZDebug(ctx, "OnlineCache GetGroupOnline", "groupID", groupID, "onlineUserIDs", onlineUserIDs, "allUserID", userIDs)
// return onlineUserIDs, nil
//}
func (o *OnlineCache) setUserOnline(userID string, platformIDs []int32) bool {
return o.local.SetHas(userID, platformIDs)
}