trikWiFiWorker.h

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/* Copyright 2015 Yurii Litvinov and CyberTech Labs Ltd.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. */

#pragma once

#include <QtCore/QObject>
#include <QtCore/QString>
#include <QtCore/QScopedPointer>
#include <QtCore/QSocketNotifier>
#include <QtCore/QHash>

#include <trikKernel/synchronizedVar.h>

#include "networkStructs.h"

namespace trikWiFi {

class WpaSupplicantCommunicator;

class TrikWiFiWorker : public QObject
{
    Q_OBJECT

public:
    TrikWiFiWorker(const QString &interfaceFilePrefix, const QString &daemonFile);

    ~TrikWiFiWorker() override;

    Q_INVOKABLE void connect(const QString &ssid);

    Q_INVOKABLE void disconnect();

    Q_INVOKABLE void reinit();

    Q_INVOKABLE void dispose();

    Q_INVOKABLE void statusRequest();

    Status statusResult();

    Q_INVOKABLE void scanRequest();

    QList<ScanResult> scanResult();

signals:
    void scanFinished();

    void connected();

    void disconnected(trikWiFi::DisconnectReason reason);

    void statusReady();

    void error(const QString &message);

private slots:
    void receiveMessages();

private:
    struct NetworkConfiguration
    {
        int id;

        QString ssid;
    };

    static QHash<QString, QString> parseReply(const QString &reply);

    void processMessage(const QString &message);

    void processScanResults();

    int addOpenNetwork(const QString &ssid);

    int findNetworkId(const QString &ssid) const;

    void listKnownNetworks();

    QString mInterfaceFile;
    QString mDaemonFile;
    QScopedPointer<WpaSupplicantCommunicator> mControlInterface;
    QScopedPointer<WpaSupplicantCommunicator> mMonitorInterface;
    QScopedPointer<QSocketNotifier> mMonitorFileSocketNotifier;

    QHash<QString, NetworkConfiguration> mNetworkConfiguration;

    trikKernel::SynchronizedVar<Status> mStatus;

    trikKernel::SynchronizedVar<QList<ScanResult>> mScanResult;

    bool mIgnoreScanResults = true;

    bool mPlannedDisconnect = false;
};

}