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98 lines
3.4 KiB
C++
98 lines
3.4 KiB
C++
/* Ricochet - https://ricochet.im/
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* Copyright (C) 2014, John Brooks <john.brooks@dereferenced.net>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the names of the copyright owners nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef TORSOCKET_H
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#define TORSOCKET_H
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#include <QTcpSocket>
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#include <QTimer>
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namespace Tor {
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/* Specialized QTcpSocket which makes connections over the SOCKS proxy
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* from a TorControl instance, automatically attempts reconnections, and
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* reacts to Tor's connectivity state.
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*
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* Use normal QTcpSocket/QAbstractSocket API. When a connection fails, it
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* will be retried automatically after the correct interval and when
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* connectivity is available.
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*
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* To fully disconnect, destroy the object, or call
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* setReconnectEnabled(false) and disconnect the socket with
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* disconnectFromHost or abort.
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*
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* The caller is responsible for resetting the attempt counter if a
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* connection was successful and reconnection will be used again.
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*/
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class TorSocket : public QTcpSocket
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{
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Q_OBJECT
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public:
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explicit TorSocket(QObject *parent = 0);
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virtual ~TorSocket();
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bool reconnectEnabled() const { return m_reconnectEnabled; }
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void setReconnectEnabled(bool enabled);
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int maxAttemptInterval() { return m_maxInterval; }
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void setMaxAttemptInterval(int interval);
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void resetAttempts();
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virtual void connectToHost(const QString &hostName, quint16 port, OpenMode openMode = ReadWrite, NetworkLayerProtocol protocol = AnyIPProtocol);
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virtual void connectToHost(const QHostAddress &address, quint16 port, OpenMode openMode = ReadWrite);
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QString hostName() const { return m_host; }
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quint16 port() const { return m_port; }
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protected:
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virtual int reconnectInterval();
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private slots:
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void reconnect();
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void connectivityChanged();
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void onFailed();
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private:
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QString m_host;
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quint16 m_port;
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QTimer m_connectTimer;
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bool m_reconnectEnabled;
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int m_maxInterval;
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int m_connectAttempts;
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using QAbstractSocket::connectToHost;
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};
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}
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#endif
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