| /* |
| * Copyright (c) 2020, The OpenThread Authors. |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of the copyright holder nor the |
| * names of its contributors may be used to endorse or promote products |
| * derived from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @file |
| * This file includes definitions for transmitting SVR_DATA.ntf messages. |
| */ |
| |
| #ifndef NETWORK_DATA_NOTIFIER_HPP_ |
| #define NETWORK_DATA_NOTIFIER_HPP_ |
| |
| #include "openthread-core-config.h" |
| |
| #if OPENTHREAD_FTD || OPENTHREAD_CONFIG_BORDER_ROUTER_ENABLE || OPENTHREAD_CONFIG_TMF_NETDATA_SERVICE_ENABLE |
| |
| #include "coap/coap.hpp" |
| #include "common/message.hpp" |
| #include "common/non_copyable.hpp" |
| #include "common/notifier.hpp" |
| #include "common/tasklet.hpp" |
| #include "common/time_ticker.hpp" |
| |
| namespace ot { |
| namespace NetworkData { |
| |
| /** |
| * This class implements the SVR_DATA.ntf transmission logic. |
| * |
| */ |
| class Notifier : public InstanceLocator, private NonCopyable |
| { |
| friend class ot::Notifier; |
| friend class ot::TimeTicker; |
| |
| public: |
| /** |
| * Constructor. |
| * |
| * @param[in] aInstance The OpenThread instance. |
| * |
| */ |
| explicit Notifier(Instance &aInstance); |
| |
| /** |
| * Call this method to inform the notifier that new server data is available. |
| * |
| * This method posts a tasklet to sync new server data with leader so if there are multiple changes within the same |
| * flow of execution (multiple calls to this method) they are all synchronized together and included in the same |
| * message to the leader. |
| * |
| */ |
| void HandleServerDataUpdated(void); |
| |
| #if OPENTHREAD_FTD && OPENTHREAD_CONFIG_BORDER_ROUTER_ENABLE && OPENTHREAD_CONFIG_BORDER_ROUTER_REQUEST_ROUTER_ROLE |
| /** |
| * This method indicates whether the device as border router is eligible for router role upgrade request using the |
| * status reason `kBorderRouterRequest`. |
| * |
| * This method checks whether device is providing IP connectivity and that there are fewer than two border routers |
| * in network data acting as router. Device is considered to provide external IP connectivity if at least one of |
| * the below conditions hold: |
| * |
| * - It has added at least one external route entry. |
| * - It has added at least one prefix entry with default-route and on-mesh flags set. |
| * - It has added at least one domain prefix (domain and on-mesh flags set). |
| * |
| * This method does not check the current role of device. |
| * |
| * @retval TRUE Device is eligible to request router role upgrade as a border router. |
| * @retval FALSE Device is not eligible to request router role upgrade as a border router. |
| * |
| */ |
| bool IsEligibleForRouterRoleUpgradeAsBorderRouter(void) const; |
| #endif |
| |
| private: |
| static constexpr uint32_t kDelayNoBufs = 1000; // in msec |
| static constexpr uint32_t kDelayRemoveStaleChildren = 5000; // in msec |
| static constexpr uint32_t kDelaySynchronizeServerData = 300000; // in msec |
| static constexpr uint8_t kRouterRoleUpgradeMaxTimeout = 10; // in sec |
| |
| void HandleNotifierEvents(Events aEvents); |
| |
| static void HandleTimer(Timer &aTimer); |
| void HandleTimer(void); |
| |
| static void HandleCoapResponse(void * aContext, |
| otMessage * aMessage, |
| const otMessageInfo *aMessageInfo, |
| Error aResult); |
| void HandleCoapResponse(Error aResult); |
| |
| static void HandleSynchronizeDataTask(Tasklet &aTasklet); |
| |
| void SynchronizeServerData(void); |
| #if OPENTHREAD_FTD && OPENTHREAD_CONFIG_BORDER_ROUTER_ENABLE && OPENTHREAD_CONFIG_BORDER_ROUTER_REQUEST_ROUTER_ROLE |
| void ScheduleRouterRoleUpgradeIfEligible(void); |
| void HandleTimeTick(void); |
| #endif |
| |
| TimerMilli mTimer; |
| Tasklet mSynchronizeDataTask; |
| uint32_t mNextDelay; |
| bool mWaitingForResponse : 1; |
| |
| #if OPENTHREAD_FTD && OPENTHREAD_CONFIG_BORDER_ROUTER_ENABLE && OPENTHREAD_CONFIG_BORDER_ROUTER_REQUEST_ROUTER_ROLE |
| bool mDidRequestRouterRoleUpgrade : 1; |
| uint8_t mRouterRoleUpgradeTimeout; |
| #endif |
| }; |
| |
| } // namespace NetworkData |
| } // namespace ot |
| |
| #endif // OPENTHREAD_FTD || OPENTHREAD_CONFIG_BORDER_ROUTER_ENABLE || OPENTHREAD_CONFIG_TMF_NETDATA_SERVICE_ENABLE |
| |
| #endif // NETWORK_DATA_NOTIFIER_HPP_ |