SURFnet\VPN\Server\Utils

Complexity

Total Complexity

10

Size/Duplication

Total Lines	28
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	0

Importance

Changes

0

1 Method

Rating	Name	Duplication	Size	Complexity
B	getProcessCount()	0	20	10

<?php
/**
 *  Copyright (C) 2016 SURFnet.
 *
 *  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, either version 3 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 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 <http://www.gnu.org/licenses/>.
 */
namespace SURFnet\VPN\Server;

class Utils
{
    /**
     * Depending on the size of the prefix assigned to this pool, this method
     * will return the number of OpenVPN processes backing that range, each
     * pool range is split in #processCount number of OpenVPN processes.
     */
    public static function getProcessCount($prefix)
    {
        switch ($prefix) {
            case 32:    // 1 IP
            case 31:    // 2 IPs
                throw new RuntimeException('not enough available IPs in range');
            case 30:    // 4 IPs (1 usable for client, no splitting)
            case 29:    // 8 IPs (5 usable for clients, no splitting)
                return 1;
            case 28:    // 16 IPs (12 usable for clients)

36% of this comment could be valid code. Did you maybe forget this after debugging?

            case 27:    // 32 IPs
            case 26:    // 64 IPs
            case 25:    // 128 IPs
                return 2;
            case 24:
                return 4;
        }

        return 8;
    }
}