1 /* 2 * Copyright (c) 2020, The OpenThread Authors. 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Neither the name of the copyright holder nor the 13 * names of its contributors may be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 26 * POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 /** 30 * @file 31 * This file includes definition for DUA routing functionalities. 32 */ 33 34 #ifndef BACKBONE_ROUTER_DUA_ROUTING_MANAGER 35 #define BACKBONE_ROUTER_DUA_ROUTING_MANAGER 36 37 #include "openthread-br/config.h" 38 39 #if OTBR_ENABLE_DUA_ROUTING 40 41 #include <set> 42 #include <utility> 43 #include <openthread/backbone_router_ftd.h> 44 45 #include "common/code_utils.hpp" 46 #include "ncp/rcp_host.hpp" 47 #include "utils/system_utils.hpp" 48 49 namespace otbr { 50 namespace BackboneRouter { 51 52 /** 53 * @addtogroup border-router-backbone 54 * 55 * @brief 56 * This module includes definition for DUA routing functionalities. 57 * 58 * @{ 59 */ 60 61 /** 62 * This class implements the DUA routing manager. 63 */ 64 class DuaRoutingManager : private NonCopyable 65 { 66 public: 67 /** 68 * This constructor initializes a DUA routing manager instance. 69 */ DuaRoutingManager(std::string aInterfaceName,std::string aBackboneInterfaceName)70 explicit DuaRoutingManager(std::string aInterfaceName, std::string aBackboneInterfaceName) 71 : mEnabled(false) 72 , mInterfaceName(std::move(aInterfaceName)) 73 , mBackboneInterfaceName(std::move(aBackboneInterfaceName)) 74 { 75 } 76 77 /** 78 * This method enables the DUA routing manager. 79 */ 80 void Enable(const Ip6Prefix &aDomainPrefix); 81 82 /** 83 * This method disables the DUA routing manager. 84 */ 85 void Disable(void); 86 87 private: 88 void AddDefaultRouteToThread(void); 89 void DelDefaultRouteToThread(void); 90 void AddPolicyRouteToBackbone(void); 91 void DelPolicyRouteToBackbone(void); 92 93 Ip6Prefix mDomainPrefix; 94 bool mEnabled : 1; 95 std::string mInterfaceName; 96 std::string mBackboneInterfaceName; 97 }; 98 99 /** 100 * @} 101 */ 102 103 } // namespace BackboneRouter 104 } // namespace otbr 105 106 #endif // OTBR_ENABLE_DUA_ROUTING 107 108 #endif // BACKBONE_ROUTER_DUA_ROUTING_MANAGER 109