1 /* 2 * P2PFaaS - A framework for FaaS Load Balancing 3 * Copyright (c) 2019 - 2022. Gabriele Proietti Mattia <pm.gabriele@outlook.com> 4 * 5 * This program is free software: you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation, either version 3 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program. If not, see <https://www.gnu.org/licenses/>. 17 */ 18 19 package utils 20 21 import ( 22 "math/rand" 23 "time" 24 ) 25 26 func GetRandomInteger(max int) int { 27 if max == 0 { 28 return 0 29 } 30 randomSource := rand.NewSource(time.Now().UnixNano()) 31 randomGenerator := rand.New(randomSource) 32 return randomGenerator.Int() % max 33 } 34