1 /* Ricochet - https://ricochet.im/
2  * Copyright (C) 2014, John Brooks <john.brooks@dereferenced.net>
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions are
6  * met:
7  *
8  *    * Redistributions of source code must retain the above copyright
9  *      notice, this list of conditions and the following disclaimer.
10  *
11  *    * Redistributions in binary form must reproduce the above
12  *      copyright notice, this list of conditions and the following disclaimer
13  *      in the documentation and/or other materials provided with the
14  *      distribution.
15  *
16  *    * Neither the names of the copyright owners nor the names of its
17  *      contributors may be used to endorse or promote products derived from
18  *      this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31  */
32 
33 #ifndef TORCONTROLSOCKET_H
34 #define TORCONTROLSOCKET_H
35 
36 #include <QTcpSocket>
37 #include <QQueue>
38 
39 namespace Tor
40 {
41 
42 class TorControlCommand;
43 
44 class TorControlSocket : public QTcpSocket
45 {
46 Q_OBJECT
47 public:
48     explicit TorControlSocket(QObject *parent = 0);
49     virtual ~TorControlSocket();
50 
errorMessage()51     QString errorMessage() const { return m_errorMessage; }
52 
53     void registerEvent(const QByteArray &event, TorControlCommand *handler);
54 
sendCommand(const QByteArray & data)55     void sendCommand(const QByteArray &data) { sendCommand(0, data); }
56     void sendCommand(TorControlCommand *command, const QByteArray &data);
57 
58 signals:
59     void error(const QString &message);
60 
61 private slots:
62     void process();
63     void clear();
64 
65 private:
66     QQueue<TorControlCommand*> commandQueue;
67     QHash<QByteArray,TorControlCommand*> eventCommands;
68     QString m_errorMessage;
69     TorControlCommand *currentCommand;
70     bool inDataReply;
71 
72     void setError(const QString &message);
73 };
74 
75 }
76 
77 #endif // TORCONTROLSOCKET_H
78