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69 lines
2.0 KiB
69 lines
2.0 KiB
// Copyright © 2023 OpenIM. All rights reserved.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package cache
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import (
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"context"
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"errors"
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"fmt"
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"time"
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"github.com/redis/go-redis/v9"
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"github.com/OpenIMSDK/tools/config"
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"github.com/OpenIMSDK/tools/errs"
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"github.com/OpenIMSDK/tools/mw/specialerror"
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)
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const (
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maxRetry = 10 // number of retries
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)
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// NewRedis Initialize redis connection.
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func NewRedis() (redis.UniversalClient, error) {
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if len(config.Config.Redis.Address) == 0 {
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return nil, errors.New("redis address is empty")
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}
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specialerror.AddReplace(redis.Nil, errs.ErrRecordNotFound)
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var rdb redis.UniversalClient
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if len(config.Config.Redis.Address) > 1 {
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rdb = redis.NewClusterClient(&redis.ClusterOptions{
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Addrs: config.Config.Redis.Address,
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Username: config.Config.Redis.Username,
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Password: config.Config.Redis.Password, // no password set
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PoolSize: 50,
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MaxRetries: maxRetry,
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})
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} else {
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rdb = redis.NewClient(&redis.Options{
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Addr: config.Config.Redis.Address[0],
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Username: config.Config.Redis.Username,
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Password: config.Config.Redis.Password, // no password set
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DB: 0, // use default DB
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PoolSize: 100, // connection pool size
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MaxRetries: maxRetry,
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})
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}
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var err error = nil
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ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
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defer cancel()
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err = rdb.Ping(ctx).Err()
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if err != nil {
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return nil, fmt.Errorf("redis ping %w", err)
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}
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return rdb, err
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}
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