Zabbix

/*

** Zabbix

** Copyright (C) 2001-2023 Zabbix SIA

**

** This program is free software; you can redistribute it and/or modify

** it under the terms of the GNU General Public License as published by

** the Free Software Foundation; either version 2 of the License, or

** (at your option) any later version.

**

** This program is distributed in the hope that it will be useful,

** but WITHOUT ANY WARRANTY; without even the implied warranty of

** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

** GNU General Public License for more details.

**

** You should have received a copy of the GNU General Public License

** along with this program; if not, write to the Free Software

** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

**/

​

package redis

​

import (

    "github.com/mediocregopher/radix/v3"

)

​

const (

    pingFailed = 0

    pingOk     = 1

)

​

// pingHandler executes 'PING' command and returns pingOk if a connection is alive or pingFailed otherwise.

func pingHandler(conn redisClient, _ map[string]string) (interface{}, error) {

    var res string

​

    if _ = conn.Query(radix.Cmd(&res, "PING")); res != "PONG" {

        return pingFailed, nil

    }

​

    return pingOk, nil

}