github.com/openimsdk/tools@v0.0.49/utils/idutil/id_generator.go (about)

     1  // Copyright © 2024 OpenIM open source community. All rights reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package idutil
    16  
    17  import (
    18  	"github.com/openimsdk/tools/utils/encrypt"
    19  	"github.com/openimsdk/tools/utils/stringutil"
    20  	"github.com/openimsdk/tools/utils/timeutil"
    21  	"math/rand"
    22  	"strconv"
    23  	"time"
    24  )
    25  
    26  func GetMsgIDByMD5(sendID string) string {
    27  	t := stringutil.Int64ToString(timeutil.GetCurrentTimestampByNano())
    28  	return encrypt.Md5(t + sendID + stringutil.Int64ToString(rand.Int63n(timeutil.GetCurrentTimestampByNano())))
    29  }
    30  
    31  func OperationIDGenerator() string {
    32  	return strconv.FormatInt(time.Now().UnixNano()+int64(rand.Uint32()), 10)
    33  }