315 lines
14 KiB
C++
315 lines
14 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* Copyright 2013 - 2024, nymea GmbH
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* Contact: contact@nymea.io
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*
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* This file is part of nymea.
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* This project including source code and documentation is protected by
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* copyright law, and remains the property of nymea GmbH. All rights, including
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* reproduction, publication, editing and translation, are reserved. The use of
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* this project is subject to the terms of a license agreement to be concluded
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* with nymea GmbH in accordance with the terms of use of nymea GmbH, available
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* 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
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* terms of the GNU Lesser General Public License as published by the Free
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* Software Foundation; version 3. This project is distributed in the hope that
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* it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* 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
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* along with this project. 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
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* contact@nymea.io or see our FAQ/Licensing Information on
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* https://nymea.io/license/faq
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "goediscovery.h"
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#include "extern-plugininfo.h"
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#include <QJsonDocument>
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#include <QJsonParseError>
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GoeDiscovery::GoeDiscovery(NetworkAccessManager *networkAccessManager, NetworkDeviceDiscovery *networkDeviceDiscovery, ZeroConfServiceBrowser *serviceBrowser, QObject *parent) :
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QObject{parent},
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m_networkAccessManager{networkAccessManager},
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m_networkDeviceDiscovery{networkDeviceDiscovery},
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m_serviceBrowser{serviceBrowser}
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{
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}
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GoeDiscovery::~GoeDiscovery()
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{
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qCDebug(dcGoECharger()) << "Discovery: destroy discovery object";
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cleanupPendingReplies();
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}
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void GoeDiscovery::startDiscovery()
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{
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// Clean up
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m_discoveryResults.clear();
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m_verifiedHostAddresses.clear();
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m_startDateTime = QDateTime::currentDateTime();
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qCInfo(dcGoECharger()) << "Discovery: Start discovering the network...";
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// ZeroConf
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connect(m_serviceBrowser, &ZeroConfServiceBrowser::serviceEntryAdded, this, &GoeDiscovery::onServiceEntryAdded);
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foreach (const ZeroConfServiceEntry &serviceEntry, m_serviceBrowser->serviceEntries()) {
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onServiceEntryAdded(serviceEntry);
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}
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// Network discovery
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m_discoveryReply = m_networkDeviceDiscovery->discover();
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// Test any network device beeing discovered
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connect(m_discoveryReply, &NetworkDeviceDiscoveryReply::hostAddressDiscovered, this, &GoeDiscovery::checkHostAddress);
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// When the network discovery has finished, we process the rest and give some time to finish the pending replies
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connect(m_discoveryReply, &NetworkDeviceDiscoveryReply::finished, this, [this](){
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// The network device discovery is done
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m_discoveredNetworkDeviceInfos = m_discoveryReply->networkDeviceInfos();
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m_discoveryReply->deleteLater();
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m_discoveryReply = nullptr;
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// If there might be some response after the grace period time,
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// we don't care any more since there might just waiting for some timeouts...
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// If there would be a device, it would have responded.
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QTimer::singleShot(3000, this, [this](){
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qCDebug(dcGoECharger()) << "Discovery: Grace period timer triggered.";
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finishDiscovery();
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});
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});
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}
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QList<GoeDiscovery::Result> GoeDiscovery::discoveryResults() const
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{
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return m_discoveryResults.values();
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}
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QNetworkRequest GoeDiscovery::buildRequestV1(const QHostAddress &address)
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{
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QUrl requestUrl;
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requestUrl.setScheme("http");
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requestUrl.setHost(address.toString());
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requestUrl.setPath("/status");
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return QNetworkRequest(requestUrl);
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}
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QNetworkRequest GoeDiscovery::buildRequestV2(const QHostAddress &address)
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{
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QUrl requestUrl;
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requestUrl.setScheme("http");
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requestUrl.setHost(address.toString());
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requestUrl.setPath("/api/status");
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return QNetworkRequest(requestUrl);
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}
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bool GoeDiscovery::isGoeCharger(const ZeroConfServiceEntry &serviceEntry)
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{
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return serviceEntry.name().toLower().contains("go-echarger");
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}
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void GoeDiscovery::checkHostAddress(const QHostAddress &address)
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{
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// Make sure we have not checked this host yet
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if (m_verifiedHostAddresses.contains(address))
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return;
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qCDebug(dcGoECharger()) << "Discovery: Start inspecting" << address.toString();
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checkHostAddressApiV2(address);
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checkHostAddressApiV1(address);
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m_verifiedHostAddresses.append(address);
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}
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void GoeDiscovery::checkHostAddressApiV1(const QHostAddress &address)
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{
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// Check if API V1 is available: http://<host>/status
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QNetworkReply *reply = m_networkAccessManager->get(buildRequestV1(address));
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m_pendingReplies.append(reply);
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connect(reply, &QNetworkReply::finished, this, [=](){
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m_pendingReplies.removeAll(reply);
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reply->deleteLater();
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if (reply->error() != QNetworkReply::NoError) {
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qCDebug(dcGoECharger()) << "Discovery:" << address.toString() << "API V1 verification HTTP error" << reply->errorString() << "Continue...";
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return;
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}
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QByteArray data = reply->readAll();
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QJsonParseError error;
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QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &error);
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if (error.error != QJsonParseError::NoError) {
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qCDebug(dcGoECharger()) << "Discovery:" << address.toString() << "API V1 verification invalid JSON data. Continue...";
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return;
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}
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// Verify if we have the required values in the response map
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// https://github.com/goecharger/go-eCharger-API-v1/blob/master/go-eCharger%20API%20v1%20EN.md
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QVariantMap responseMap = jsonDoc.toVariant().toMap();
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if (responseMap.contains("fwv") && responseMap.contains("sse") && responseMap.contains("nrg") && responseMap.contains("amp")) {
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// Looks like we have found a go-e V1 api endpoint, nice
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qCDebug(dcGoECharger()) << "Discovery: --> Found API V1 on" << address.toString();
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if (m_discoveryResults.contains(address) && m_discoveryResults.value(address).discoveryMethod == DiscoveryMethodZeroConf) {
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qCDebug(dcGoECharger()) << "Discovery: Network discovery found API V1 go-eCharger on" << address.toString()
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<< "but this host has already been discovered using ZeroConf. Prefering ZeroConf over MAC address due to Repeater missbehaviours.";
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return;
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}
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if (m_discoveryResults.contains(address)) {
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// We use the information from API V2 since there are more information available
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m_discoveryResults[address].apiAvailableV1 = true;
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} else {
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GoeDiscovery::Result result;
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result.serialNumber = responseMap.value("sse").toString();
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result.firmwareVersion = responseMap.value("fwv").toString();
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//result.networkDeviceInfo = networkDeviceInfo;
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result.apiAvailableV1 = true;
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m_discoveryResults[address] = result;
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}
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} else {
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qCDebug(dcGoECharger()) << "Discovery:" << address.toString() << "API V1 verification returned JSON data but not the right one. Continue...";
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}
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});
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}
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void GoeDiscovery::checkHostAddressApiV2(const QHostAddress &address)
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{
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// Check if API V2 is available: http://<host>/api/status
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qCDebug(dcGoECharger()) << "Discovery: verify API V2 on" << address.toString();
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QNetworkReply *reply = m_networkAccessManager->get(buildRequestV2(address));
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m_pendingReplies.append(reply);
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connect(reply, &QNetworkReply::finished, this, [=](){
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m_pendingReplies.removeAll(reply);
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reply->deleteLater();
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if (reply->error() != QNetworkReply::NoError) {
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qCDebug(dcGoECharger()) << "Discovery:" << address.toString() << "API V2 verification HTTP error" << reply->errorString() << "Continue...";
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return;
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}
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QByteArray data = reply->readAll();
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QJsonParseError error;
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QJsonDocument jsonDoc = QJsonDocument::fromJson(data, &error);
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if (error.error != QJsonParseError::NoError) {
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qCDebug(dcGoECharger()) << "Discovery:" << address.toString() << "API V2 verification invalid JSON data. Continue...";
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return;
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}
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// Verify if we have the required values in the response map
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// https://github.com/goecharger/go-eCharger-API-v2/blob/main/http-en.md
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QVariantMap responseMap = jsonDoc.toVariant().toMap();
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if (responseMap.contains("fwv") && responseMap.contains("sse") && responseMap.contains("typ") && responseMap.contains("fna")) {
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// Looks like we have found a go-e V2 api endpoint, nice
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qCDebug(dcGoECharger()) << "Discovery: --> Found API V2 on" << address.toString();
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GoeDiscovery::Result result;
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result.serialNumber = responseMap.value("sse").toString();
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result.firmwareVersion = responseMap.value("fwv").toString();
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result.manufacturer = responseMap.value("oem").toString();
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result.product = responseMap.value("typ").toString();
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result.friendlyName = responseMap.value("fna").toString();
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//result.networkDeviceInfo = networkDeviceInfo;
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result.discoveryMethod = DiscoveryMethodNetwork;
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result.apiAvailableV2 = true;
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if (m_discoveryResults.contains(address) && m_discoveryResults.value(address).discoveryMethod == DiscoveryMethodZeroConf) {
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qCDebug(dcGoECharger()) << "Discovery: Network discovery found API V2 go-eCharger on" << address.toString()
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<< "but this host has already been discovered using ZeroConf. Prefering ZeroConf over MAC address due to Repeater missbehaviours.";
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return;
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}
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if (m_discoveryResults.contains(address)) {
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result.apiAvailableV1 = m_discoveryResults.value(address).apiAvailableV1;
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}
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// Overwrite result from V1 since V2 contains more information
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m_discoveryResults[address] = result;
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} else {
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qCDebug(dcGoECharger()) << "Discovery:" << address.toString() << "API V2 verification returned JSON data but not the right one. Continue...";
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}
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});
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}
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void GoeDiscovery::onServiceEntryAdded(const ZeroConfServiceEntry &serviceEntry)
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{
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// Note: we always prefere the zeroconf discovery over the network discovery. Some networks use wifi repeaters,
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// which spoof the mac address and multipe IP have the same mac address. Using zeroconf and have IP based discovery
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// solves this issue
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if (isGoeCharger(serviceEntry) && serviceEntry.protocol() == QAbstractSocket::IPv4Protocol) {
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qCDebug(dcGoECharger()) << "Discovery: Found ZeroConf go-eCharger" << serviceEntry;
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GoeDiscovery::Result result;
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result.serialNumber = serviceEntry.txt("serial");
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result.firmwareVersion = serviceEntry.txt("version");
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result.manufacturer = serviceEntry.txt("manufacturer");
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result.product = serviceEntry.txt("devicetype");
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result.friendlyName = serviceEntry.txt("friendly_name");
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result.discoveryMethod = DiscoveryMethodZeroConf;
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result.apiAvailableV1 = serviceEntry.txt("protocol").toUInt() == 1;
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result.apiAvailableV2 = serviceEntry.txt("protocol").toUInt() == 2;
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result.address = serviceEntry.hostAddress();
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qCDebug(dcGoECharger()) << "Discovery:" << result;
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// Overwrite any already discovered result for this host, we always prefere ZeroConf over Networkdiscovery...
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m_discoveryResults[result.address] = result;
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m_verifiedHostAddresses.append(result.address);
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}
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}
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void GoeDiscovery::cleanupPendingReplies()
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{
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foreach (QNetworkReply *reply, m_pendingReplies) {
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m_pendingReplies.removeAll(reply);
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reply->abort();
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}
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}
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void GoeDiscovery::finishDiscovery()
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{
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disconnect(m_serviceBrowser, &ZeroConfServiceBrowser::serviceEntryAdded, this, &GoeDiscovery::onServiceEntryAdded);
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foreach (const Result &result, m_discoveryResults) {
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int index = m_discoveredNetworkDeviceInfos.indexFromHostAddress(result.address);
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if (index >= 0) {
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m_discoveryResults[result.address].networkDeviceInfo = m_discoveredNetworkDeviceInfos.at(index);
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}
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}
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qint64 durationMilliSeconds = QDateTime::currentMSecsSinceEpoch() - m_startDateTime.toMSecsSinceEpoch();
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qCInfo(dcGoECharger()) << "Discovery: Finished the discovery process. Found" << m_discoveryResults.count() << "go-eChargers in" << QTime::fromMSecsSinceStartOfDay(durationMilliSeconds).toString("mm:ss.zzz");
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cleanupPendingReplies();
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emit discoveryFinished();
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}
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QDebug operator<<(QDebug dbg, const GoeDiscovery::Result &result)
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{
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dbg.nospace() << "GoeDiscovery:Result(" << result.product;
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dbg.nospace() << ", " << result.manufacturer;
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dbg.nospace() << ", Version: " << result.firmwareVersion;
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dbg.nospace() << ", SN: " << result.serialNumber;
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dbg.nospace() << ", V1: " << result.apiAvailableV1;
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dbg.nospace() << ", V2: " << result.apiAvailableV2;
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if (result.discoveryMethod == GoeDiscovery::DiscoveryMethodZeroConf) {
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dbg.nospace() << ", " << result.discoveryMethod;
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dbg.nospace() << ", " << result.address.toString();
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} else {
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dbg.nospace() << ", " << result.networkDeviceInfo.address().toString();
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}
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dbg.nospace() << ") ";
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return dbg.maybeSpace();
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}
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