This patch separates the transactionSequenceNumber used for sending from the one received. According to the specification, the transactionSequenceNumber is not meant to equally increase on both ends, but instead really just be a "random" number which allows to match a reply to a request. Syncing them on both ends has the outcome to increase the likelyhood of collisions if a device sends a notification at the same time we send a request and thus even may wrongly interpret that incoming command as a reply to the request. In fact, ideally TSNs for outgoing messages would stay away as far as possible from incoming ones. The old code additionally had the problem that it would re-use the last received TSN for outgoing requests, given it used a post-increment when reading m_transactionSequenceNumber after setting it to the last received TSN. The new code will use a single static upcounting TSN for all outgoing requests but will still allow overriding it with a custom TSN of for some reason a certain device requires a specific TSN (apparently those exist). It will not do anything with incoming TSNs but forward them now to the application layer which may decide to use it match its own transactions or to deduplicate packets. This allows fixing the issue in nymea that remote controls sometimes produce duplicate pressed events (seen most often with the Tradfri Symfonisk) by discarding commands that didn't increase the TSN.
147 lines
6.6 KiB
C++
147 lines
6.6 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright 2013 - 2020, nymea GmbH
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* Contact: contact@nymea.io
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*
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* This file is part of nymea-zigbee.
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* This project including source code and documentation is protected by copyright law, and
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* remains the property of nymea GmbH. All rights, including reproduction, publication,
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* editing and translation, are reserved. The use of this project is subject to the terms of a
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* license agreement to be concluded with nymea GmbH in accordance with the terms
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* of use of nymea GmbH, available under https://nymea.io/license
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*
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* GNU Lesser General Public License Usage
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* Alternatively, this project may be redistributed and/or modified under the terms of the GNU
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* Lesser General Public License as published by the Free Software Foundation; version 3.
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* this project is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License along with this project.
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* If not, see <https://www.gnu.org/licenses/>.
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*
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* For any further details and any questions please contact us under contact@nymea.io
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* or see our FAQ/Licensing Information on https://nymea.io/license/faq
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "zigbeeclusteronoff.h"
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#include "zigbeenetworkreply.h"
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#include "loggingcategory.h"
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#include "zigbeenetwork.h"
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#include "zigbeeutils.h"
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#include <QDataStream>
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ZigbeeClusterOnOff::ZigbeeClusterOnOff(ZigbeeNetwork *network, ZigbeeNode *node, ZigbeeNodeEndpoint *endpoint, Direction direction, QObject *parent) :
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ZigbeeCluster(network, node, endpoint, ZigbeeClusterLibrary::ClusterIdOnOff, direction, parent)
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{
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}
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ZigbeeClusterReply *ZigbeeClusterOnOff::commandOff()
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{
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return executeClusterCommand(ZigbeeClusterOnOff::CommandOff);
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}
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ZigbeeClusterReply *ZigbeeClusterOnOff::commandOn()
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{
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return executeClusterCommand(ZigbeeClusterOnOff::CommandOn);
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}
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ZigbeeClusterReply *ZigbeeClusterOnOff::commandToggle()
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{
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return executeClusterCommand(ZigbeeClusterOnOff::CommandToggle);
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}
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ZigbeeClusterReply *ZigbeeClusterOnOff::commandOffWithEffect(ZigbeeClusterOnOff::Effect effect, quint8 effectVariant)
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{
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QByteArray payload;
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QDataStream stream(&payload, QIODevice::WriteOnly);
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stream.setByteOrder(QDataStream::LittleEndian);
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stream << static_cast<quint8>(effect) << effectVariant;
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return executeClusterCommand(ZigbeeClusterOnOff::CommandOffWithEffect, payload);
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}
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ZigbeeClusterReply *ZigbeeClusterOnOff::commandOnWithRecallGlobalScene()
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{
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return executeClusterCommand(ZigbeeClusterOnOff::CommandOnWithRecallGlobalScene);
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}
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ZigbeeClusterReply *ZigbeeClusterOnOff::commandOnWithTimedOff(bool acceptOnlyWhenOn, quint16 onTime, quint16 offWaitTime)
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{
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QByteArray payload;
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QDataStream stream(&payload, QIODevice::WriteOnly);
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stream.setByteOrder(QDataStream::LittleEndian);
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stream << static_cast<quint8>(acceptOnlyWhenOn) << onTime << offWaitTime;
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return executeClusterCommand(ZigbeeClusterOnOff::CommandOnWithTimedOff, payload);
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}
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bool ZigbeeClusterOnOff::power() const
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{
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return m_power;
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}
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void ZigbeeClusterOnOff::setAttribute(const ZigbeeClusterAttribute &attribute)
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{
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qCDebug(dcZigbeeCluster()) << "Update attribute" << m_node << m_endpoint << this << static_cast<Attribute>(attribute.id()) << attribute.dataType();
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updateOrAddAttribute(attribute);
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// Parse the information for convenience
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if (attribute.id() == AttributeOnOff) {
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bool valueOk = false;
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bool value = attribute.dataType().toBool(&valueOk);
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if (valueOk) {
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m_power = value;
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qCDebug(dcZigbeeCluster()) << "OnOff state changed on" << m_node << m_endpoint << this << m_power;
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emit powerChanged(m_power);
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} else {
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qCWarning(dcZigbeeCluster()) << "Failed to parse attribute data" << m_node << m_endpoint << this << attribute;
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}
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}
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}
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void ZigbeeClusterOnOff::processDataIndication(ZigbeeClusterLibrary::Frame frame)
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{
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qCDebug(dcZigbeeCluster()) << "Processing cluster frame" << m_node << m_endpoint << this << frame;
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switch (m_direction) {
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case Client:
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// If the client cluster sends data to a server cluster (independent which), the command was executed on the device like button pressed
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if (frame.header.frameControl.direction == ZigbeeClusterLibrary::DirectionClientToServer) {
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// Read the payload which is
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Command command = static_cast<Command>(frame.header.command);
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emit commandSent(command, frame.payload, frame.header.transactionSequenceNumber);
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switch (command) {
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case CommandOffWithEffect: {
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QByteArray payload = frame.payload;
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QDataStream payloadStream(&payload, QIODevice::ReadOnly);
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payloadStream.setByteOrder(QDataStream::LittleEndian);
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quint8 effectValue = 0; quint16 effectVariant;
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payloadStream >> effectValue >> effectVariant;
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qCDebug(dcZigbeeCluster()) << "Command received from" << m_node << m_endpoint << this << command << "effect:" << effectValue << "effectVariant:" << effectVariant;
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emit commandOffWithEffectSent(static_cast<Effect>(effectValue), effectVariant, frame.header.transactionSequenceNumber);
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break;
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}
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case CommandOnWithTimedOff: {
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QByteArray payload = frame.payload;
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QDataStream payloadStream(&payload, QIODevice::ReadOnly);
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payloadStream.setByteOrder(QDataStream::LittleEndian);
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quint8 acceptOnlyWhenOnInt = 0; quint16 onTime; quint16 offTime;
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payloadStream >> acceptOnlyWhenOnInt >> onTime >> offTime;
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qCDebug(dcZigbeeCluster()) << "Command received from" << m_node << m_endpoint << this << command << "accentOnlyWhenOnInt:" << acceptOnlyWhenOnInt << "onTime:" << onTime << "offTime:" << offTime;
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emit commandOnWithTimedOffSent(static_cast<bool>(acceptOnlyWhenOnInt), onTime, offTime, frame.header.transactionSequenceNumber);
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break;
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}
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default:
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qCDebug(dcZigbeeCluster()) << "Command received from" << m_node << m_endpoint << this << command << ZigbeeUtils::convertByteArrayToHexString(frame.payload);
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break;
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}
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}
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break;
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case Server:
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qCWarning(dcZigbeeCluster()) << "Unhandled ZCL indication in" << m_node << m_endpoint << this << frame;
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break;
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}
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}
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