51 lines
1.5 KiB
Go
51 lines
1.5 KiB
Go
/*
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Copyright 2021 The Dapr Authors
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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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http://www.apache.org/licenses/LICENSE-2.0
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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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*/
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package internal
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import (
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"fmt"
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"strings"
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)
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const (
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keySpacePrefix = "__keyspace@"
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separator = "||"
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)
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func GetRedisValueAndVersion(redisValue string) (string, string) {
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valueAndRevision := strings.Split(redisValue, separator)
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if len(valueAndRevision) == 0 {
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return "", ""
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}
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if len(valueAndRevision) == 1 {
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return valueAndRevision[0], ""
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}
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return valueAndRevision[0], valueAndRevision[1]
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}
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func ParseRedisKeyFromChannel(eventChannel string, redisDB int) (string, error) {
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channelPrefix := keySpacePrefix + fmt.Sprint(redisDB) + "__:"
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index := strings.Index(eventChannel, channelPrefix)
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if index == -1 {
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return "", fmt.Errorf("wrong format of event channel, it should start with '%s': eventChannel=%s", channelPrefix, eventChannel)
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}
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return eventChannel[len(channelPrefix):], nil
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}
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func GetRedisChannelFromKey(key string, redisDB int) string {
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redisEvent := keySpacePrefix + fmt.Sprint(redisDB) + "__:" + key
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return redisEvent
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}
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