364 lines
16 KiB
C++
364 lines
16 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* *
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* Copyright (C) 2018 Simon Stürz <simon.stuerz@guh.io> *
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* *
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* This file is part of nymea-networkmanager. *
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* *
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* nymea-networkmanager is free software: you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation, either version 3 of the License, *
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* or (at your option) any later version. *
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* *
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* nymea-networkmanager is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License along *
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* with nymea-networkmanager. If not, see <http://www.gnu.org/licenses/>. *
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* *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#include "networkservice.h"
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#include "core.h"
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#include "bluetoothuuids.h"
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#include "loggingcategories.h"
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#include <QLowEnergyDescriptorData>
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#include <QLowEnergyCharacteristicData>
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NetworkService::NetworkService(QLowEnergyService *service, QObject *parent) :
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QObject(parent),
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m_service(service)
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{
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qCDebug(dcBluetoothServer()) << "Create NetworkService.";
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// Service
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connect(m_service, SIGNAL(characteristicChanged(QLowEnergyCharacteristic, QByteArray)), this, SLOT(characteristicChanged(QLowEnergyCharacteristic, QByteArray)));
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connect(m_service, SIGNAL(characteristicRead(QLowEnergyCharacteristic, QByteArray)), this, SLOT(characteristicChanged(QLowEnergyCharacteristic, QByteArray)));
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connect(m_service, SIGNAL(characteristicWritten(QLowEnergyCharacteristic, QByteArray)), this, SLOT(characteristicWritten(QLowEnergyCharacteristic, QByteArray)));
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connect(m_service, SIGNAL(descriptorWritten(QLowEnergyDescriptor, QByteArray)), this, SLOT(descriptorWritten(QLowEnergyDescriptor, QByteArray)));
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connect(m_service, SIGNAL(error(QLowEnergyService::ServiceError)), this, SLOT(serviceError(QLowEnergyService::ServiceError)));
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}
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QLowEnergyService *NetworkService::service()
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{
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return m_service;
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}
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void NetworkService::setNetworkManagerAvailable(bool available)
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{
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m_networkManagerAvailable = available;
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}
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void NetworkService::setNetworkManagerState(const NetworkManager::NetworkManagerState &state)
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{
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if (m_state == state)
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return;
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m_state = state;
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if (!m_service) {
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qCWarning(dcBluetoothServer()) << "NetworkService: Could not updatet network manager status. Service not valid";
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return;
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}
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QLowEnergyCharacteristic characteristic = m_service->characteristic(networkStatusCharacteristicUuid);
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if (!characteristic.isValid()) {
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qCWarning(dcBluetoothServer()) << "NetworkService: Could not update network manager status. Characteristic not valid";
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return;
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}
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qCDebug(dcBluetoothServer()) << "NetworkService: Notify state changed" << NetworkService::getNetworkManagerStateByteArray(m_state);
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m_service->writeCharacteristic(characteristic, NetworkService::getNetworkManagerStateByteArray(m_state));
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}
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void NetworkService::setNetworkingEnabled(bool enabled)
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{
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if (m_networkingEnabled == enabled)
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return;
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m_networkingEnabled = enabled;
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if (!m_service) {
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qCWarning(dcBluetoothServer()) << "NetworkService: Could not set networking enabled. Service not valid";
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return;
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}
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QLowEnergyCharacteristic characteristic = m_service->characteristic(networkingEnabledCharacteristicUuid);
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if (!characteristic.isValid()) {
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qCWarning(dcBluetoothServer()) << "NetworkService: Could not set networking enabled. Characteristic not valid";
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return;
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}
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qCDebug(dcBluetoothServer()) << "NetworkService: Notify networking enabled changed:" << (m_networkingEnabled ? "enabled" : "disabled");
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m_service->writeCharacteristic(characteristic, m_networkingEnabled ? QByteArray::fromHex("01") : QByteArray::fromHex("00"));
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}
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void NetworkService::setWirelessNetworkingEnabled(bool enabled)
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{
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if (m_wirelessNetworkingEnabled == enabled)
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return;
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m_wirelessNetworkingEnabled = enabled;
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if (!m_service) {
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qCWarning(dcBluetoothServer()) << "NetworkService: Could not set wireless enabled. Service not valid";
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return;
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}
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QLowEnergyCharacteristic characteristic = m_service->characteristic(wirelessEnabledCharacteristicUuid);
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if (!characteristic.isValid()) {
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qCWarning(dcBluetoothServer()) << "NetworkService: Could not set wireless enabled. Characteristic not valid";
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return;
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}
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qCDebug(dcBluetoothServer()) << "NetworkService: Notify wireless networking enabled changed:" << (m_wirelessNetworkingEnabled ? "enabled" : "disabled");
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m_service->writeCharacteristic(characteristic, m_wirelessNetworkingEnabled ? QByteArray::fromHex("01") : QByteArray::fromHex("00"));
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}
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QLowEnergyServiceData NetworkService::serviceData()
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{
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QLowEnergyServiceData serviceData;
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serviceData.setType(QLowEnergyServiceData::ServiceTypePrimary);
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serviceData.setUuid(networkServiceUuid);
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QLowEnergyDescriptorData clientConfigDescriptorData(QBluetoothUuid::ClientCharacteristicConfiguration, QByteArray(2, 0));
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// Network manager status ef6d661-b8af-49e0-9eca-ab343513641c
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QLowEnergyCharacteristicData networkStatusData;
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networkStatusData.setUuid(networkStatusCharacteristicUuid);
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networkStatusData.setValue(QByteArray(1, 0));
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networkStatusData.setProperties(QLowEnergyCharacteristic::Read | QLowEnergyCharacteristic::Notify);
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networkStatusData.addDescriptor(clientConfigDescriptorData);
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networkStatusData.setValue(NetworkService::getNetworkManagerStateByteArray(NetworkManager::NetworkManagerStateUnknown));
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serviceData.addCharacteristic(networkStatusData);
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// Network manager commander ef6d6612-b8af-49e0-9eca-ab343513641c
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QLowEnergyCharacteristicData networkCommanderCharacteristicData;
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networkCommanderCharacteristicData.setUuid(networkCommanderCharacteristicUuid);
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networkCommanderCharacteristicData.setProperties(QLowEnergyCharacteristic::Write);
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networkCommanderCharacteristicData.setValueLength(1, 1);
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serviceData.addCharacteristic(networkCommanderCharacteristicData);
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// Response characteristic ef6d6613-b8af-49e0-9eca-ab343513641c
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QLowEnergyCharacteristicData networkResponseCharacteristicData;
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networkResponseCharacteristicData.setUuid(networkResponseCharacteristicUuid);
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networkResponseCharacteristicData.setProperties(QLowEnergyCharacteristic::Notify);
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networkResponseCharacteristicData.addDescriptor(clientConfigDescriptorData);
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networkResponseCharacteristicData.setValueLength(1, 1);
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serviceData.addCharacteristic(networkResponseCharacteristicData);
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// Networking enabled ef6d6614-b8af-49e0-9eca-ab343513641c
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QLowEnergyCharacteristicData networkingEnabledStatusData;
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networkingEnabledStatusData.setUuid(networkingEnabledCharacteristicUuid);
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networkingEnabledStatusData.setValue(QByteArray(1, 0));
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networkingEnabledStatusData.setProperties(QLowEnergyCharacteristic::Read | QLowEnergyCharacteristic::Notify);
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networkingEnabledStatusData.setValue(QByteArray::fromHex("00"));
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serviceData.addCharacteristic(networkingEnabledStatusData);
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// Wireless enabled ef6d6615-b8af-49e0-9eca-ab343513641c
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QLowEnergyCharacteristicData wirelessEnabledStatusData;
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wirelessEnabledStatusData.setUuid(wirelessEnabledCharacteristicUuid);
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wirelessEnabledStatusData.setValue(QByteArray(1, 0));
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wirelessEnabledStatusData.setProperties(QLowEnergyCharacteristic::Read | QLowEnergyCharacteristic::Notify);
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wirelessEnabledStatusData.setValue(QByteArray::fromHex("00"));
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serviceData.addCharacteristic(wirelessEnabledStatusData);
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return serviceData;
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}
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QByteArray NetworkService::getNetworkManagerStateByteArray(const NetworkManager::NetworkManagerState &state)
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{
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QByteArray networkManagerState;
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switch (state) {
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case NetworkManager::NetworkManagerStateUnknown:
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networkManagerState = QByteArray::fromHex("00");
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break;
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case NetworkManager::NetworkManagerStateAsleep:
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networkManagerState = QByteArray::fromHex("01");
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break;
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case NetworkManager::NetworkManagerStateDisconnected:
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networkManagerState = QByteArray::fromHex("02");
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break;
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case NetworkManager::NetworkManagerStateDisconnecting:
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networkManagerState = QByteArray::fromHex("03");
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break;
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case NetworkManager::NetworkManagerStateConnecting:
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networkManagerState = QByteArray::fromHex("04");
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break;
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case NetworkManager::NetworkManagerStateConnectedLocal:
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networkManagerState = QByteArray::fromHex("05");
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break;
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case NetworkManager::NetworkManagerStateConnectedSite:
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networkManagerState = QByteArray::fromHex("06");
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break;
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case NetworkManager::NetworkManagerStateConnectedGlobal:
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networkManagerState = QByteArray::fromHex("07");
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break;
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}
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return networkManagerState;
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}
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void NetworkService::sendResponse(const NetworkService::NetworkServiceResponse &response)
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{
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if (!m_service) {
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qCWarning(dcBluetoothServer()) << "NetworkService: Could not send response. Service not valid";
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return;
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}
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QLowEnergyCharacteristic characteristic = m_service->characteristic(networkResponseCharacteristicUuid);
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if (!characteristic.isValid()) {
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qCWarning(dcBluetoothServer()) << "NetworkService: Could not send response. Characteristic not valid";
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return;
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}
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switch (response) {
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case NetworkServiceResponseSuccess:
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m_service->writeCharacteristic(characteristic, QByteArray::fromHex("00"));
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break;
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case NetworkServiceResponseIvalidValue:
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m_service->writeCharacteristic(characteristic, QByteArray::fromHex("01"));
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break;
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case NetworkServiceResponseNetworkManagerNotAvailable:
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m_service->writeCharacteristic(characteristic, QByteArray::fromHex("02"));
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break;
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case NetworkServiceResponseWirelessNotAvailable:
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m_service->writeCharacteristic(characteristic, QByteArray::fromHex("03"));
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break;
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default:
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// Unknown error
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m_service->writeCharacteristic(characteristic, QByteArray::fromHex("04"));
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break;
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}
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}
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NetworkService::NetworkServiceCommand NetworkService::verifyCommand(const QByteArray &commandData)
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{
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if (commandData.length() != 1)
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return NetworkServiceCommandInvalid;
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uint commandInteger = commandData.toHex().toUInt(0, 16);
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switch (commandInteger) {
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case NetworkServiceCommandEnableNetworking:
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return NetworkServiceCommandEnableNetworking;
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case NetworkServiceCommandDisableNetworking:
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return NetworkServiceCommandDisableNetworking;
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case NetworkServiceCommandEnableWireless:
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return NetworkServiceCommandEnableWireless;
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case NetworkServiceCommandDisableWireless:
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return NetworkServiceCommandDisableWireless;
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default:
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break;
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}
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return NetworkServiceCommandInvalid;
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}
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void NetworkService::characteristicChanged(const QLowEnergyCharacteristic &characteristic, const QByteArray &value)
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{
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if (characteristic.uuid() == networkCommanderCharacteristicUuid) {
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NetworkServiceCommand command = verifyCommand(value);
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if (command == NetworkServiceCommandInvalid) {
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qCWarning(dcBluetoothServer()) << "NetworkService: received invalid command" << command;
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sendResponse(NetworkServiceResponseIvalidValue);
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return;
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}
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if (!m_networkManagerAvailable) {
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qCWarning(dcBluetoothServer()) << "NetworkService: Networkmanager not available";
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sendResponse(NetworkServiceResponseNetworkManagerNotAvailable);
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return;
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}
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processCommand(command);
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sendResponse(NetworkServiceResponseSuccess);
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return;
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}
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qCDebug(dcBluetoothServer()) << "NetworkService: Characteristic changed" << characteristic.uuid().toString() << value;
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}
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void NetworkService::characteristicRead(const QLowEnergyCharacteristic &characteristic, const QByteArray &value)
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{
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qCDebug(dcBluetoothServer()) << "NetworkService: Characteristic read" << characteristic.uuid().toString() << value;
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}
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void NetworkService::characteristicWritten(const QLowEnergyCharacteristic &characteristic, const QByteArray &value)
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{
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qCDebug(dcBluetoothServer()) << "NetworkService: Characteristic written" << characteristic.uuid().toString() << value;
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}
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void NetworkService::descriptorRead(const QLowEnergyDescriptor &descriptor, const QByteArray &value)
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{
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qCDebug(dcBluetoothServer()) << "NetworkService: Descriptor read" << descriptor.uuid().toString() << value;
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}
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void NetworkService::descriptorWritten(const QLowEnergyDescriptor &descriptor, const QByteArray &value)
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{
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qCDebug(dcBluetoothServer()) << "NetworkService: Descriptor written" << descriptor.uuid().toString() << value;
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}
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void NetworkService::serviceError(const QLowEnergyService::ServiceError &error)
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{
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QString errorString;
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switch (error) {
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case QLowEnergyService::NoError:
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errorString = "No error";
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break;
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case QLowEnergyService::OperationError:
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errorString = "Operation error";
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break;
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case QLowEnergyService::CharacteristicReadError:
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errorString = "Characteristic read error";
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break;
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case QLowEnergyService::CharacteristicWriteError:
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errorString = "Characteristic write error";
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break;
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case QLowEnergyService::DescriptorReadError:
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errorString = "Descriptor read error";
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break;
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case QLowEnergyService::DescriptorWriteError:
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errorString = "Descriptor write error";
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break;
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case QLowEnergyService::UnknownError:
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errorString = "Unknown error";
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break;
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default:
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errorString = "Unhandled error";
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break;
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}
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qCWarning(dcBluetoothServer()) << "NetworkService: Error:" << errorString;
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}
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void NetworkService::processCommand(const NetworkServiceCommand &command)
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{
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switch (command) {
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case NetworkServiceCommandEnableNetworking:
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qCDebug(dcBluetoothServer()) << "NetworkService: received \"Enable networking\" command";
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Core::instance()->networkManager()->enableNetworking(true);
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break;
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case NetworkServiceCommandDisableNetworking:
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qCDebug(dcBluetoothServer()) << "NetworkService: received \"Disable networking\" command";
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Core::instance()->networkManager()->enableNetworking(false);
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break;
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case NetworkServiceCommandEnableWireless:
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qCDebug(dcBluetoothServer()) << "NetworkService: received \"Enable wireless networking\" command";
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Core::instance()->networkManager()->enableWireless(true);
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break;
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case NetworkServiceCommandDisableWireless:
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qCDebug(dcBluetoothServer()) << "NetworkService: received \"Disable wireless networking\" command";
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Core::instance()->networkManager()->enableWireless(false);
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break;
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default:
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qCWarning(dcBluetoothServer()) << "NetworkService: Unhandled command" << command;
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sendResponse(NetworkServiceResponseIvalidValue);
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break;
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}
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}
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