Zabbix

/*

** Copyright (C) 2001-2025 Zabbix SIA

**

** This program is free software: you can redistribute it and/or modify it under the terms of

** the GNU Affero General Public License as published by the Free Software Foundation, version 3.

**

** 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 Affero General Public License for more details.

**

** You should have received a copy of the GNU Affero General Public License along with this program.

** If not, see <https://www.gnu.org/licenses/>.

**/

​

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

}