| /* |
| * 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 implements a time ticker. |
| */ |
| |
| #include "time_ticker.hpp" |
| |
| #include "common/code_utils.hpp" |
| #include "common/debug.hpp" |
| #include "common/instance.hpp" |
| #include "common/locator_getters.hpp" |
| #include "common/random.hpp" |
| #include "thread/mle_router.hpp" |
| |
| namespace ot { |
| |
| TimeTicker::TimeTicker(Instance &aInstance) |
| : InstanceLocator(aInstance) |
| , mReceivers(0) |
| , mTimer(aInstance, HandleTimer) |
| { |
| } |
| |
| void TimeTicker::RegisterReceiver(Receiver aReceiver) |
| { |
| mReceivers |= Mask(aReceiver); |
| |
| if (!mTimer.IsRunning()) |
| { |
| mTimer.Start(Random::NonCrypto::GetUint32InRange(0, kTickInterval + 1)); |
| } |
| } |
| |
| void TimeTicker::UnregisterReceiver(Receiver aReceiver) |
| { |
| mReceivers &= ~Mask(aReceiver); |
| |
| if (mReceivers == 0) |
| { |
| mTimer.Stop(); |
| } |
| } |
| |
| void TimeTicker::HandleTimer(Timer &aTimer) |
| { |
| aTimer.Get<TimeTicker>().HandleTimer(); |
| } |
| |
| void TimeTicker::HandleTimer(void) |
| { |
| mTimer.FireAt(mTimer.GetFireTime() + Random::NonCrypto::AddJitter(kTickInterval, kRestartJitter)); |
| |
| if (mReceivers & Mask(kMeshForwarder)) |
| { |
| Get<MeshForwarder>().HandleTimeTick(); |
| } |
| |
| #if OPENTHREAD_FTD |
| if (mReceivers & Mask(kMleRouter)) |
| { |
| Get<Mle::MleRouter>().HandleTimeTick(); |
| } |
| |
| if (mReceivers & Mask(kAddressResolver)) |
| { |
| Get<AddressResolver>().HandleTimeTick(); |
| } |
| |
| #if OPENTHREAD_CONFIG_CHILD_SUPERVISION_ENABLE |
| if (mReceivers & Mask(kChildSupervisor)) |
| { |
| Get<Utils::ChildSupervisor>().HandleTimeTick(); |
| } |
| #endif |
| #endif // OPENTHREAD_FTD |
| |
| #if OPENTHREAD_CONFIG_IP6_FRAGMENTATION_ENABLE |
| if (mReceivers & Mask(kIp6FragmentReassembler)) |
| { |
| Get<Ip6::Ip6>().HandleTimeTick(); |
| } |
| #endif |
| |
| #if OPENTHREAD_CONFIG_DUA_ENABLE || (OPENTHREAD_FTD && OPENTHREAD_CONFIG_TMF_PROXY_DUA_ENABLE) |
| if (mReceivers & Mask(kDuaManager)) |
| { |
| Get<DuaManager>().HandleTimeTick(); |
| } |
| #endif |
| |
| #if OPENTHREAD_CONFIG_MLR_ENABLE || (OPENTHREAD_FTD && OPENTHREAD_CONFIG_TMF_PROXY_MLR_ENABLE) |
| if (mReceivers & Mask(kMlrManager)) |
| { |
| Get<MlrManager>().HandleTimeTick(); |
| } |
| #endif |
| } |
| |
| } // namespace ot |