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Open-IM-Server/internal/rpc/msg/lock.go

57 lines
1.5 KiB

package msg
import (
"context"
"time"
"github.com/OpenIMSDK/Open-IM-Server/pkg/common/db/cache"
)
const GlOBALLOCK = "GLOBAL_LOCK"
type MessageLocker interface {
LockMessageTypeKey(ctx context.Context, clientMsgID, typeKey string) (err error)
UnLockMessageTypeKey(ctx context.Context, clientMsgID string, typeKey string) error
LockGlobalMessage(ctx context.Context, clientMsgID string) (err error)
UnLockGlobalMessage(ctx context.Context, clientMsgID string) (err error)
}
type LockerMessage struct {
cache cache.MsgModel
}
func NewLockerMessage(cache cache.MsgModel) *LockerMessage {
return &LockerMessage{cache: cache}
}
func (l *LockerMessage) LockMessageTypeKey(ctx context.Context, clientMsgID, typeKey string) (err error) {
for i := 0; i < 3; i++ {
err = l.cache.LockMessageTypeKey(ctx, clientMsgID, typeKey)
if err != nil {
time.Sleep(time.Millisecond * 100)
continue
} else {
break
}
}
return err
}
func (l *LockerMessage) LockGlobalMessage(ctx context.Context, clientMsgID string) (err error) {
for i := 0; i < 3; i++ {
err = l.cache.LockMessageTypeKey(ctx, clientMsgID, GlOBALLOCK)
if err != nil {
time.Sleep(time.Millisecond * 100)
continue
} else {
break
}
}
return err
}
func (l *LockerMessage) UnLockMessageTypeKey(ctx context.Context, clientMsgID string, typeKey string) error {
return l.cache.UnLockMessageTypeKey(ctx, clientMsgID, typeKey)
}
func (l *LockerMessage) UnLockGlobalMessage(ctx context.Context, clientMsgID string) error {
return l.cache.UnLockMessageTypeKey(ctx, clientMsgID, GlOBALLOCK)
}