| /* |
| * Copyright (c) 2021, 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 to support ping functionality. |
| */ |
| |
| #ifndef PING_SENDER_HPP_ |
| #define PING_SENDER_HPP_ |
| |
| #include "openthread-core-config.h" |
| |
| #if OPENTHREAD_CONFIG_PING_SENDER_ENABLE |
| |
| #include <openthread/ping_sender.h> |
| |
| #include "common/as_core_type.hpp" |
| #include "common/code_utils.hpp" |
| #include "common/locator.hpp" |
| #include "common/message.hpp" |
| #include "common/non_copyable.hpp" |
| #include "common/numeric_limits.hpp" |
| #include "common/time.hpp" |
| #include "common/timer.hpp" |
| #include "net/icmp6.hpp" |
| #include "net/ip6_address.hpp" |
| |
| namespace ot { |
| namespace Utils { |
| |
| /** |
| * This class implements sending ICMPv6 Echo Request messages and processing ICMPv6 Echo Reply messages. |
| * |
| */ |
| class PingSender : public InstanceLocator, private NonCopyable |
| { |
| public: |
| /** |
| * This class represents a ping reply. |
| * |
| */ |
| typedef otPingSenderReply Reply; |
| |
| /** |
| * This class represents the statistics of several ping requests. |
| * |
| */ |
| struct Statistics : public otPingSenderStatistics |
| { |
| Statistics(void) { Clear(); } |
| |
| void Clear(void) |
| { |
| mSentCount = 0; |
| mReceivedCount = 0; |
| mTotalRoundTripTime = 0; |
| mMinRoundTripTime = NumericLimits<uint16_t>::kMax; |
| mMaxRoundTripTime = NumericLimits<uint16_t>::kMin; |
| mIsMulticast = false; |
| } |
| }; |
| |
| /** |
| * This class represents a ping request configuration. |
| * |
| */ |
| class Config : public otPingSenderConfig |
| { |
| friend class PingSender; |
| |
| public: |
| /** |
| * This method gets the source IPv6 address of the ping. |
| * |
| * @returns The ping source IPv6 address. |
| * |
| */ |
| Ip6::Address &GetSource(void) { return AsCoreType(&mSource); } |
| |
| /** |
| * This method gets the source IPv6 address of the ping. |
| * |
| * @returns The ping source IPv6 address. |
| * |
| */ |
| const Ip6::Address &GetSource(void) const { return AsCoreType(&mSource); } |
| |
| /** |
| * This method gets the destination IPv6 address to ping. |
| * |
| * @returns The ping destination IPv6 address. |
| * |
| */ |
| Ip6::Address &GetDestination(void) { return AsCoreType(&mDestination); } |
| |
| /** |
| * This method gets the destination IPv6 address to ping. |
| * |
| * @returns The ping destination IPv6 address. |
| * |
| */ |
| const Ip6::Address &GetDestination(void) const { return AsCoreType(&mDestination); } |
| |
| private: |
| static constexpr uint16_t kDefaultSize = OPENTHREAD_CONFIG_PING_SENDER_DEFAULT_SIZE; |
| static constexpr uint16_t kDefaultCount = OPENTHREAD_CONFIG_PING_SENDER_DEFAULT_COUNT; |
| static constexpr uint32_t kDefaultInterval = OPENTHREAD_CONFIG_PING_SENDER_DEFAULT_INTEVRAL; |
| static constexpr uint32_t kDefaultTimeout = OPENTHREAD_CONFIG_PING_SENDER_DEFAULT_TIMEOUT; |
| |
| void SetUnspecifiedToDefault(void); |
| void InvokeReplyCallback(const Reply &aReply) const; |
| void InvokeStatisticsCallback(const Statistics &aStatistics) const; |
| }; |
| |
| /** |
| * This constructor initializes the `PingSender` object. |
| * |
| * @param[in] aInstance A reference to the OpenThread instance. |
| * |
| */ |
| explicit PingSender(Instance &aInstance); |
| |
| /** |
| * This method starts a ping. |
| * |
| * @param[in] aConfig The ping config to use. |
| * |
| * @retval kErrorNone The ping started successfully. |
| * @retval kErrorBusy Could not start since busy with a previous ongoing ping request. |
| * @retval kErrorInvalidArgs The @p aConfig contains invalid parameters (e.g., ping interval is too long). |
| * |
| */ |
| Error Ping(const Config &aConfig); |
| |
| /** |
| * This method stops an ongoing ping. |
| * |
| */ |
| void Stop(void); |
| |
| private: |
| void SendPing(void); |
| static void HandleTimer(Timer &aTimer); |
| void HandleTimer(void); |
| static void HandleIcmpReceive(void * aContext, |
| otMessage * aMessage, |
| const otMessageInfo *aMessageInfo, |
| const otIcmp6Header *aIcmpHeader); |
| void HandleIcmpReceive(const Message & aMessage, |
| const Ip6::MessageInfo & aMessageInfo, |
| const Ip6::Icmp::Header &aIcmpHeader); |
| |
| Config mConfig; |
| Statistics mStatistics; |
| uint16_t mIdentifier; |
| uint16_t mTargetEchoSequence; |
| TimerMilli mTimer; |
| Ip6::Icmp::Handler mIcmpHandler; |
| }; |
| |
| } // namespace Utils |
| |
| DefineCoreType(otPingSenderReply, Utils::PingSender::Reply); |
| DefineCoreType(otPingSenderConfig, Utils::PingSender::Config); |
| DefineCoreType(otPingSenderStatistics, Utils::PingSender::Statistics); |
| |
| } // namespace ot |
| |
| #endif // OPENTHREAD_CONFIG_PING_SENDER_ENABLE |
| |
| #endif // PING_SENDER_HPP_ |