1/***************************************************************************
2 * Copyright (C) 2005-2014 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., *
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
19 ***************************************************************************/
20
21#ifndef PEER_H
22#define PEER_H
23
24#include <QAbstractSocket>
25#include <QPointer>
26
27#include "authhandler.h"
28#include "protocol.h"
29#include "signalproxy.h"
30
31class Peer : public QObject
32{
33 Q_OBJECT
34
35public:
36 Peer(AuthHandler *authHandler, QObject *parent = 0);
37
38 virtual QString description() const = 0;
39
40 virtual SignalProxy *signalProxy() const = 0;
41 virtual void setSignalProxy(SignalProxy *proxy) = 0;
42
43 AuthHandler *authHandler() const;
44
45 virtual bool isOpen() const = 0;
46 virtual bool isSecure() const = 0;
47 virtual bool isLocal() const = 0;
48
49 virtual int lag() const = 0;
50
51public slots:
52 /* Handshake messages */
53 virtual void dispatch(const Protocol::RegisterClient &) = 0;
54 virtual void dispatch(const Protocol::ClientDenied &) = 0;
55 virtual void dispatch(const Protocol::ClientRegistered &) = 0;
56 virtual void dispatch(const Protocol::SetupData &) = 0;
57 virtual void dispatch(const Protocol::SetupFailed &) = 0;
58 virtual void dispatch(const Protocol::SetupDone &) = 0;
59 virtual void dispatch(const Protocol::Login &) = 0;
60 virtual void dispatch(const Protocol::LoginFailed &) = 0;
61 virtual void dispatch(const Protocol::LoginSuccess &) = 0;
62 virtual void dispatch(const Protocol::SessionState &) = 0;
63
64 /* Sigproxy messages */
65 virtual void dispatch(const Protocol::SyncMessage &) = 0;
66 virtual void dispatch(const Protocol::RpcCall &) = 0;
67 virtual void dispatch(const Protocol::InitRequest &) = 0;
68 virtual void dispatch(const Protocol::InitData &) = 0;
69
70 virtual void close(const QString &reason = QString()) = 0;
71
72signals:
73 void disconnected();
74 void secureStateChanged(bool secure = true);
75 void lagUpdated(int msecs);
76
77protected:
78 template<typename T>
79 void handle(const T &protoMessage);
80
81private:
82 QPointer<AuthHandler> _authHandler;
83};
84
85// We need to special-case Peer* in attached signals/slots, so typedef it for the meta type system
86typedef Peer * PeerPtr;
87Q_DECLARE_METATYPE(PeerPtr)
88
89
90// Template method needed in the header
91template<typename T> inline
92void Peer::handle(const T &protoMessage)
93{
94 switch(protoMessage.handler()) {
95 case Protocol::SignalProxy:
96 if (!signalProxy()) {
97 qWarning() << Q_FUNC_INFO << "Cannot handle message without a SignalProxy!";
98 return;
99 }
100 signalProxy()->handle(this, protoMessage);
101 break;
102
103 case Protocol::AuthHandler:
104 if (!authHandler()) {
105 qWarning() << Q_FUNC_INFO << "Cannot handle auth messages without an active AuthHandler!";
106 return;
107 }
108 authHandler()->handle(protoMessage);
109 break;
110
111 default:
112 qWarning() << Q_FUNC_INFO << "Unknown handler for protocol message!";
113 return;
114 }
115}
116
117#endif
118