github.com/noisysockets/noisysockets@v0.21.2-0.20240515114641-7f467e651c90/internal/transport/constants.go (about) 1 // SPDX-License-Identifier: MPL-2.0 2 /* 3 * Copyright (C) 2024 The Noisy Sockets Authors. 4 * 5 * This Source Code Form is subject to the terms of the Mozilla Public 6 * License, v. 2.0. If a copy of the MPL was not distributed with this 7 * file, You can obtain one at http://mozilla.org/MPL/2.0/. 8 * 9 * Portions of this file are based on code originally from wireguard-go, 10 * 11 * Copyright (C) 2017-2023 WireGuard LLC. All Rights Reserved. 12 * 13 * Permission is hereby granted, free of charge, to any person obtaining a copy of 14 * this software and associated documentation files (the "Software"), to deal in 15 * the Software without restriction, including without limitation the rights to 16 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies 17 * of the Software, and to permit persons to whom the Software is furnished to do 18 * so, subject to the following conditions: 19 * 20 * The above copyright notice and this permission notice shall be included in all 21 * copies or substantial portions of the Software. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 24 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 25 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 26 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 27 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 28 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 29 * SOFTWARE. 30 */ 31 32 package transport 33 34 import ( 35 "time" 36 ) 37 38 /* Specification constants */ 39 40 const ( 41 RekeyAfterMessages = (1 << 60) 42 RejectAfterMessages = (1 << 64) - (1 << 13) - 1 43 RekeyAfterTime = time.Second * 120 44 RekeyAttemptTime = time.Second * 90 45 RekeyTimeout = time.Second * 5 46 MaxTimerHandshakes = 90 / 5 /* RekeyAttemptTime / RekeyTimeout */ 47 RekeyTimeoutJitterMaxMs = 334 48 RejectAfterTime = time.Second * 180 49 KeepaliveTimeout = time.Second * 10 50 CookieRefreshTime = time.Second * 120 51 HandshakeInitationRate = time.Second / 50 52 PaddingMultiple = 16 53 ) 54 55 const ( 56 MinMessageSize = MessageKeepaliveSize // minimum size of transport message (keepalive) 57 MaxMessageSize = MaxSegmentSize // maximum size of transport message 58 MaxContentSize = MaxSegmentSize - MessageTransportSize // maximum size of transport message content 59 ) 60 61 /* Implementation constants */ 62 63 const ( 64 UnderLoadAfterTime = time.Second // how long does the transport remain under load after detected 65 MaxPeers = 1 << 16 // maximum number of configured peers 66 )