mirror of
https://gitee.com/dromara/mayfly-go
synced 2025-11-08 02:10:24 +08:00
54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
package rdm
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import (
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"context"
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"mayfly-go/internal/machine/mcm"
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"mayfly-go/pkg/pool"
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)
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var (
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poolGroup = pool.NewPoolGroup[*RedisConn]()
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)
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func init() {
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mcm.AddCheckSshTunnelMachineUseFunc(func(machineId int) bool {
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// 遍历所有redis连接实例，若存在redis实例使用该ssh隧道机器，则返回true，表示还在使用中...
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items := poolGroup.AllPool()
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for _, v := range items {
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rc, err := v.Get(context.Background(), pool.WithGetNoUpdateLastActive(), pool.WithGetNoNewConn())
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if err != nil {
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continue // 获取连接失败，跳过
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}
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if rc.Info.SshTunnelMachineId == machineId {
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return true
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}
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}
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return false
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})
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}
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// 从缓存中获取redis连接信息, 若缓存中不存在则会使用回调函数获取redisInfo进行连接并缓存
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func GetRedisConn(ctx context.Context, redisId uint64, db int, getRedisInfo func() (*RedisInfo, error)) (*RedisConn, error) {
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p, err := poolGroup.GetCachePool(getConnId(redisId, db), func() (*RedisConn, error) {
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// 若缓存中不存在，则从回调函数中获取RedisInfo
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ri, err := getRedisInfo()
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if err != nil {
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return nil, err
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}
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// 连接数据库
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return ri.Conn()
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})
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if err != nil {
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return nil, err
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}
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// 从连接池中获取一个可用的连接
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return p.Get(ctx)
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}
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// 移除redis连接缓存并关闭redis连接
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func CloseConn(id uint64, db int) {
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poolGroup.Close(getConnId(id, db))
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}
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