src/core/identserver.h

   1 /***************************************************************************
   2  *   Copyright (C) 2005-2018 by the Quassel Project                        *
   3  *   devel@quassel-irc.org                                                 *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) version 3.                                           *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
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  19  ***************************************************************************/
  20
  21 #pragma once
  22
  23 #include <list>
  24
  25 #include <QHash>
  26 #include <QObject>
  27 #include <QPointer>
  28 #include <QString>
  29 #include <QTcpServer>
  30 #include <QTcpSocket>
  31
  32 #include "coreidentity.h"
  33
  34 struct Request
  35 {
  36     QPointer<QTcpSocket> socket;
  37     uint16_t localPort;
  38     QString query;
  39     qint64 transactionId;
  40     qint64 requestId;
  41
  42     friend bool operator==(const Request &a, const Request &b);
  43
  44     void respondSuccess(const QString &user);
  45     void respondError(const QString &error);
  46 };
  47
  48
  49 class IdentServer : public QObject
  50 {
  51     Q_OBJECT
  52
  53 public:
  54     IdentServer(QObject *parent = nullptr);
  55
  56     bool startListening();
  57     void stopListening(const QString &msg);
  58     qint64 addWaitingSocket();
  59
  60 public slots:
  61     void addSocket(const CoreIdentity *identity, const QHostAddress &localAddress, quint16 localPort, const QHostAddress &peerAddress, quint16 peerPort, qint64 socketId);
  62     void removeSocket(const CoreIdentity *identity, const QHostAddress &localAddress, quint16 localPort, const QHostAddress &peerAddress, quint16 peerPort, qint64 socketId);
  63
  64 private slots:
  65     void incomingConnection();
  66     void respond();
  67
  68 private:
  69     bool responseAvailable(Request request) const;
  70
  71     qint64 lowestSocketId() const;
  72
  73     void processWaiting(qint64 socketId);
  74
  75     void removeWaitingSocket(qint64 socketId);
  76
  77     QTcpServer _server, _v6server;
  78
  79     QHash<uint16_t, QString> _connections;
  80     std::list<Request> _requestQueue;
  81     std::list<qint64> _waiting;
  82     qint64 _socketId{0};
  83     qint64 _requestId{0};
  84 };