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device.go
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device.go
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/**
* Copyright (c) 2014-2015, GoBelieve
* All rights reserved.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package main
import "fmt"
import "github.com/garyburd/redigo/redis"
func GetDeviceID(device_id string, platform_id int) (int64, error) {
conn := redis_pool.Get()
defer conn.Close()
key := fmt.Sprintf("devices_%s_%d", device_id, platform_id)
device_ID, err := redis.Int64(conn.Do("GET", key))
if err != nil {
k := "devices_id"
device_ID, err = redis.Int64(conn.Do("INCR", k))
if err != nil {
return 0, err
}
_, err = conn.Do("SET", key, device_ID)
if err != nil {
return 0, err
}
}
return device_ID, err
}