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Viewing changes to iris/jabber/xmpp_jidlink.cpp

  • Committer: Bazaar Package Importer
  • Author(s): Jan Niehusmann
  • Date: 2004-06-15 00:10:41 UTC
  • mfrom: (1.1.1 upstream)
  • Revision ID: james.westby@ubuntu.com-20040615001041-enywb6pcpe4sjsw6
Tags: 0.9.2-1
* New upstream release
* Set KDEDIR for ./configure so kde specific files get installed
* Don't install libpsiwidgets.so. It got installed in /usr/share
  where it doesn't belong. May be included (at a better location)
  later.

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iris/jabber/xmpp_jidlink.cpp
 
1
/*
 
2
 * jidlink.cpp - establish a link between Jabber IDs
 
3
 * Copyright (C) 2001, 2002  Justin Karneges
 
4
 *
 
5
 * This library is free software; you can redistribute it and/or
 
6
 * modify it under the terms of the GNU Lesser General Public
 
7
 * License as published by the Free Software Foundation; either
 
8
 * version 2.1 of the License, or (at your option) any later version.
 
9
 *
 
10
 * This library 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 GNU
 
13
 * Lesser General Public License for more details.
 
14
 *
 
15
 * You should have received a copy of the GNU Lesser General Public
 
16
 * License along with this library; if not, write to the Free Software
 
17
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
18
 *
 
19
 */
 
20
 
 
21
#include"xmpp_jidlink.h"
 
22
 
 
23
#include<qdom.h>
 
24
#include<qtimer.h>
 
25
#include"im.h"
 
26
#include"s5b.h"
 
27
#include"xmpp_ibb.h"
 
28
 
 
29
using namespace XMPP;
 
30
 
 
31
//----------------------------------------------------------------------------
 
32
// JidLink
 
33
//----------------------------------------------------------------------------
 
34
class JidLink::Private
 
35
{
 
36
public:
 
37
        Client *client;
 
38
        ByteStream *bs;
 
39
        int type;
 
40
        int state;
 
41
        Jid peer;
 
42
};
 
43
 
 
44
JidLink::JidLink(Client *client)
 
45
:QObject(client->jidLinkManager())
 
46
{
 
47
        d = new Private;
 
48
        d->client = client;
 
49
        d->bs = 0;
 
50
 
 
51
        reset();
 
52
}
 
53
 
 
54
JidLink::~JidLink()
 
55
{
 
56
        reset(true);
 
57
 
 
58
        delete d;
 
59
}
 
60
 
 
61
void JidLink::reset(bool clear)
 
62
{
 
63
        d->type = None;
 
64
        d->state = Idle;
 
65
 
 
66
        if(d->bs) {
 
67
                unlink();
 
68
                d->bs->close();
 
69
                if(clear) {
 
70
                        delete d->bs;
 
71
                        d->bs = 0;
 
72
                }
 
73
        }
 
74
}
 
75
 
 
76
void JidLink::connectToJid(const Jid &jid, int type, const QDomElement &comment)
 
77
{
 
78
        reset(true);
 
79
        if(type == DTCP)
 
80
                d->bs = d->client->s5bManager()->createConnection();
 
81
        else if(type == IBB)
 
82
                d->bs = new IBBConnection(d->client->ibbManager());
 
83
        else
 
84
                return;
 
85
 
 
86
        d->type = type;
 
87
        d->peer = jid;
 
88
        d->state = Connecting;
 
89
 
 
90
        link();
 
91
 
 
92
        if(type == DTCP) {
 
93
                S5BConnection *c = (S5BConnection *)d->bs;
 
94
                status(StatDTCPRequesting);
 
95
                c->connectToJid(jid, d->client->s5bManager()->genUniqueSID(jid));
 
96
        }
 
97
        else {
 
98
                IBBConnection *c = (IBBConnection *)d->bs;
 
99
                status(StatIBBRequesting);
 
100
                c->connectToJid(jid, comment);
 
101
        }
 
102
}
 
103
 
 
104
void JidLink::link()
 
105
{
 
106
        if(d->type == DTCP) {
 
107
                S5BConnection *c = (S5BConnection *)d->bs;
 
108
                connect(c, SIGNAL(connected()), SLOT(dtcp_connected()));
 
109
                connect(c, SIGNAL(accepted()), SLOT(dtcp_accepted()));
 
110
        }
 
111
        else {
 
112
                IBBConnection *c = (IBBConnection *)d->bs;
 
113
                connect(c, SIGNAL(connected()), SLOT(ibb_connected()));
 
114
        }
 
115
 
 
116
        connect(d->bs, SIGNAL(connectionClosed()), SLOT(bs_connectionClosed()));
 
117
        connect(d->bs, SIGNAL(error(int)), SLOT(bs_error(int)));
 
118
        connect(d->bs, SIGNAL(bytesWritten(int)), SLOT(bs_bytesWritten(int)));
 
119
        connect(d->bs, SIGNAL(readyRead()), SLOT(bs_readyRead()));
 
120
}
 
121
 
 
122
void JidLink::unlink()
 
123
{
 
124
        d->bs->disconnect(this);
 
125
}
 
126
 
 
127
void JidLink::accept()
 
128
{
 
129
        if(d->state != WaitingForAccept)
 
130
                return;
 
131
 
 
132
        QTimer::singleShot(0, this, SLOT(doRealAccept()));
 
133
}
 
134
 
 
135
void JidLink::doRealAccept()
 
136
{
 
137
        if(d->type == DTCP) {
 
138
                ((S5BConnection *)d->bs)->accept();
 
139
                d->state = Connecting;
 
140
                dtcp_accepted();
 
141
        }
 
142
        else {
 
143
                ((IBBConnection *)d->bs)->accept();
 
144
                d->state = Active;
 
145
                connected();
 
146
        }
 
147
}
 
148
 
 
149
bool JidLink::setStream(ByteStream *bs)
 
150
{
 
151
        reset(true);
 
152
        int type = None;
 
153
        if(bs->inherits("XMPP::S5BConnection"))
 
154
                type = DTCP;
 
155
        else if(bs->inherits("XMPP::IBBConnection"))
 
156
                type = IBB;
 
157
 
 
158
        if(type == None)
 
159
                return false;
 
160
 
 
161
        d->type = type;
 
162
        d->bs = bs;
 
163
        d->state = WaitingForAccept;
 
164
 
 
165
        link();
 
166
 
 
167
        if(d->type == DTCP)
 
168
                d->peer = ((S5BConnection *)d->bs)->peer();
 
169
        else
 
170
                d->peer = ((IBBConnection *)d->bs)->peer();
 
171
 
 
172
        return true;
 
173
}
 
174
 
 
175
int JidLink::type() const
 
176
{
 
177
        return d->type;
 
178
}
 
179
 
 
180
Jid JidLink::peer() const
 
181
{
 
182
        return d->peer;
 
183
}
 
184
 
 
185
int JidLink::state() const
 
186
{
 
187
        return d->state;
 
188
}
 
189
 
 
190
bool JidLink::isOpen() const
 
191
{
 
192
        if(d->state == Active)
 
193
                return true;
 
194
        else
 
195
                return false;
 
196
}
 
197
 
 
198
void JidLink::close()
 
199
{
 
200
        if(d->state == Idle)
 
201
                return;
 
202
        reset();
 
203
}
 
204
 
 
205
void JidLink::write(const QByteArray &a)
 
206
{
 
207
        if(d->state == Active)
 
208
                d->bs->write(a);
 
209
}
 
210
 
 
211
QByteArray JidLink::read(int bytes)
 
212
{
 
213
        if(d->bs)
 
214
                return d->bs->read(bytes);
 
215
        else
 
216
                return QByteArray();
 
217
}
 
218
 
 
219
int JidLink::bytesAvailable() const
 
220
{
 
221
        if(d->bs)
 
222
                return d->bs->bytesAvailable();
 
223
        else
 
224
                return 0;
 
225
}
 
226
 
 
227
int JidLink::bytesToWrite() const
 
228
{
 
229
        if(d->state == Active)
 
230
                return d->bs->bytesToWrite();
 
231
        else
 
232
                return 0;
 
233
}
 
234
 
 
235
void JidLink::dtcp_accepted()
 
236
{
 
237
        status(StatDTCPAccepted);
 
238
}
 
239
 
 
240
void JidLink::dtcp_connected()
 
241
{
 
242
        d->state = Active;
 
243
        status(StatDTCPConnected);
 
244
        connected();
 
245
}
 
246
 
 
247
void JidLink::ibb_connected()
 
248
{
 
249
        d->state = Active;
 
250
        status(StatIBBConnected);
 
251
        connected();
 
252
}
 
253
 
 
254
void JidLink::bs_connectionClosed()
 
255
{
 
256
        reset();
 
257
        connectionClosed();
 
258
}
 
259
 
 
260
void JidLink::bs_error(int)
 
261
{
 
262
        reset();
 
263
        error(ErrConnect);
 
264
}
 
265
 
 
266
void JidLink::bs_readyRead()
 
267
{
 
268
        readyRead();
 
269
}
 
270
 
 
271
void JidLink::bs_bytesWritten(int x)
 
272
{
 
273
        bytesWritten(x);
 
274
}
 
275
 
 
276
 
 
277
//----------------------------------------------------------------------------
 
278
// JidLinkManager
 
279
//----------------------------------------------------------------------------
 
280
class JidLinkManager::Private
 
281
{
 
282
public:
 
283
        Private() {}
 
284
 
 
285
        Client *client;
 
286
        QPtrList<JidLink> incomingList;
 
287
};
 
288
 
 
289
JidLinkManager::JidLinkManager(Client *par)
 
290
:QObject(par)
 
291
{
 
292
        d = new Private;
 
293
        d->client = par;
 
294
}
 
295
 
 
296
JidLinkManager::~JidLinkManager()
 
297
{
 
298
        d->incomingList.setAutoDelete(true);
 
299
        d->incomingList.clear();
 
300
        delete d;
 
301
}
 
302
 
 
303
JidLink *JidLinkManager::takeIncoming()
 
304
{
 
305
        if(d->incomingList.isEmpty())
 
306
                return 0;
 
307
 
 
308
        JidLink *j = d->incomingList.getFirst();
 
309
        d->incomingList.removeRef(j);
 
310
        return j;
 
311
}
 
312
 
 
313
void JidLinkManager::insertStream(ByteStream *bs)
 
314
{
 
315
        JidLink *j = new JidLink(d->client);
 
316
        if(j->setStream(bs))
 
317
                d->incomingList.append(j);
 
318
}