0
|
1 |
/****************************************************************************
|
|
2 |
**
|
|
3 |
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
|
|
4 |
** All rights reserved.
|
|
5 |
** Contact: Nokia Corporation (qt-info@nokia.com)
|
|
6 |
**
|
|
7 |
** This file is part of the QtNetwork module of the Qt Toolkit.
|
|
8 |
**
|
|
9 |
** $QT_BEGIN_LICENSE:LGPL$
|
|
10 |
** No Commercial Usage
|
|
11 |
** This file contains pre-release code and may not be distributed.
|
|
12 |
** You may use this file in accordance with the terms and conditions
|
|
13 |
** contained in the Technology Preview License Agreement accompanying
|
|
14 |
** this package.
|
|
15 |
**
|
|
16 |
** GNU Lesser General Public License Usage
|
|
17 |
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
18 |
** General Public License version 2.1 as published by the Free Software
|
|
19 |
** Foundation and appearing in the file LICENSE.LGPL included in the
|
|
20 |
** packaging of this file. Please review the following information to
|
|
21 |
** ensure the GNU Lesser General Public License version 2.1 requirements
|
|
22 |
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
23 |
**
|
|
24 |
** In addition, as a special exception, Nokia gives you certain additional
|
|
25 |
** rights. These rights are described in the Nokia Qt LGPL Exception
|
|
26 |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
27 |
**
|
|
28 |
** If you have questions regarding the use of this file, please contact
|
|
29 |
** Nokia at qt-info@nokia.com.
|
|
30 |
**
|
|
31 |
**
|
|
32 |
**
|
|
33 |
**
|
|
34 |
**
|
|
35 |
**
|
|
36 |
**
|
|
37 |
**
|
|
38 |
** $QT_END_LICENSE$
|
|
39 |
**
|
|
40 |
****************************************************************************/
|
|
41 |
|
|
42 |
#include "qlocalsocket.h"
|
|
43 |
#include "qlocalsocket_p.h"
|
|
44 |
#include "qlocalserver.h"
|
|
45 |
|
|
46 |
#include <qhostaddress.h>
|
|
47 |
#include <qsettings.h>
|
|
48 |
#include <qdebug.h>
|
|
49 |
|
|
50 |
QT_BEGIN_NAMESPACE
|
|
51 |
|
|
52 |
QLocalSocketPrivate::QLocalSocketPrivate() : QIODevicePrivate(),
|
|
53 |
tcpSocket(0),
|
|
54 |
ownsTcpSocket(true),
|
|
55 |
state(QLocalSocket::UnconnectedState)
|
|
56 |
{
|
|
57 |
}
|
|
58 |
|
|
59 |
void QLocalSocketPrivate::init()
|
|
60 |
{
|
|
61 |
setSocket(new QLocalUnixSocket);
|
|
62 |
}
|
|
63 |
|
|
64 |
void QLocalSocketPrivate::setSocket(QLocalUnixSocket* socket)
|
|
65 |
{
|
|
66 |
if (ownsTcpSocket)
|
|
67 |
delete tcpSocket;
|
|
68 |
ownsTcpSocket = false;
|
|
69 |
tcpSocket = socket;
|
|
70 |
|
|
71 |
Q_Q(QLocalSocket);
|
|
72 |
// QIODevice signals
|
|
73 |
q->connect(tcpSocket, SIGNAL(aboutToClose()), q, SIGNAL(aboutToClose()));
|
|
74 |
q->connect(tcpSocket, SIGNAL(bytesWritten(qint64)),
|
|
75 |
q, SIGNAL(bytesWritten(qint64)));
|
|
76 |
q->connect(tcpSocket, SIGNAL(readyRead()), q, SIGNAL(readyRead()));
|
|
77 |
// QAbstractSocket signals
|
|
78 |
q->connect(tcpSocket, SIGNAL(connected()), q, SIGNAL(connected()));
|
|
79 |
q->connect(tcpSocket, SIGNAL(disconnected()), q, SIGNAL(disconnected()));
|
|
80 |
q->connect(tcpSocket, SIGNAL(stateChanged(QAbstractSocket::SocketState)),
|
|
81 |
q, SLOT(_q_stateChanged(QAbstractSocket::SocketState)));
|
|
82 |
q->connect(tcpSocket, SIGNAL(error(QAbstractSocket::SocketError)),
|
|
83 |
q, SLOT(_q_error(QAbstractSocket::SocketError)));
|
|
84 |
q->connect(tcpSocket, SIGNAL(readChannelFinished()), q, SIGNAL(readChannelFinished()));
|
|
85 |
tcpSocket->setParent(q);
|
|
86 |
}
|
|
87 |
|
|
88 |
void QLocalSocketPrivate::_q_error(QAbstractSocket::SocketError socketError)
|
|
89 |
{
|
|
90 |
Q_Q(QLocalSocket);
|
|
91 |
QString function = QLatin1String("QLocalSocket");
|
|
92 |
QLocalSocket::LocalSocketError error = (QLocalSocket::LocalSocketError)socketError;
|
|
93 |
QString errorString = generateErrorString(error, function);
|
|
94 |
q->setErrorString(errorString);
|
|
95 |
emit q->error(error);
|
|
96 |
}
|
|
97 |
|
|
98 |
void QLocalSocketPrivate::_q_stateChanged(QAbstractSocket::SocketState newState)
|
|
99 |
{
|
|
100 |
Q_Q(QLocalSocket);
|
|
101 |
QLocalSocket::LocalSocketState currentState = state;
|
|
102 |
switch(newState) {
|
|
103 |
case QAbstractSocket::UnconnectedState:
|
|
104 |
state = QLocalSocket::UnconnectedState;
|
|
105 |
serverName = QString();
|
|
106 |
fullServerName = QString();
|
|
107 |
break;
|
|
108 |
case QAbstractSocket::ConnectingState:
|
|
109 |
state = QLocalSocket::ConnectingState;
|
|
110 |
break;
|
|
111 |
case QAbstractSocket::ConnectedState:
|
|
112 |
state = QLocalSocket::ConnectedState;
|
|
113 |
break;
|
|
114 |
case QAbstractSocket::ClosingState:
|
|
115 |
state = QLocalSocket::ClosingState;
|
|
116 |
break;
|
|
117 |
default:
|
|
118 |
#if defined QLOCALSOCKET_DEBUG
|
|
119 |
qWarning() << "QLocalSocket::Unhandled socket state change:" << newState;
|
|
120 |
#endif
|
|
121 |
return;
|
|
122 |
}
|
|
123 |
if (currentState != state)
|
|
124 |
emit q->stateChanged(state);
|
|
125 |
}
|
|
126 |
|
|
127 |
QString QLocalSocketPrivate::generateErrorString(QLocalSocket::LocalSocketError error, const QString &function) const
|
|
128 |
{
|
|
129 |
QString errorString;
|
|
130 |
switch (error) {
|
|
131 |
case QLocalSocket::ConnectionRefusedError:
|
|
132 |
errorString = QLocalSocket::tr("%1: Connection refused").arg(function);
|
|
133 |
break;
|
|
134 |
case QLocalSocket::PeerClosedError:
|
|
135 |
errorString = QLocalSocket::tr("%1: Remote closed").arg(function);
|
|
136 |
break;
|
|
137 |
case QLocalSocket::ServerNotFoundError:
|
|
138 |
errorString = QLocalSocket::tr("%1: Invalid name").arg(function);
|
|
139 |
break;
|
|
140 |
case QLocalSocket::SocketAccessError:
|
|
141 |
errorString = QLocalSocket::tr("%1: Socket access error").arg(function);
|
|
142 |
break;
|
|
143 |
case QLocalSocket::SocketResourceError:
|
|
144 |
errorString = QLocalSocket::tr("%1: Socket resource error").arg(function);
|
|
145 |
break;
|
|
146 |
case QLocalSocket::SocketTimeoutError:
|
|
147 |
errorString = QLocalSocket::tr("%1: Socket operation timed out").arg(function);
|
|
148 |
break;
|
|
149 |
case QLocalSocket::DatagramTooLargeError:
|
|
150 |
errorString = QLocalSocket::tr("%1: Datagram too large").arg(function);
|
|
151 |
break;
|
|
152 |
case QLocalSocket::ConnectionError:
|
|
153 |
errorString = QLocalSocket::tr("%1: Connection error").arg(function);
|
|
154 |
break;
|
|
155 |
case QLocalSocket::UnsupportedSocketOperationError:
|
|
156 |
errorString = QLocalSocket::tr("%1: The socket operation is not supported").arg(function);
|
|
157 |
break;
|
|
158 |
case QLocalSocket::UnknownSocketError:
|
|
159 |
default:
|
|
160 |
errorString = QLocalSocket::tr("%1: Unknown error").arg(function);
|
|
161 |
}
|
|
162 |
return errorString;
|
|
163 |
}
|
|
164 |
|
|
165 |
void QLocalSocketPrivate::errorOccurred(QLocalSocket::LocalSocketError error, const QString &function)
|
|
166 |
{
|
|
167 |
Q_Q(QLocalSocket);
|
|
168 |
switch (error) {
|
|
169 |
case QLocalSocket::ConnectionRefusedError:
|
|
170 |
tcpSocket->setSocketError(QAbstractSocket::ConnectionRefusedError);
|
|
171 |
break;
|
|
172 |
case QLocalSocket::PeerClosedError:
|
|
173 |
tcpSocket->setSocketError(QAbstractSocket::RemoteHostClosedError);
|
|
174 |
break;
|
|
175 |
case QLocalSocket::ServerNotFoundError:
|
|
176 |
tcpSocket->setSocketError(QAbstractSocket::HostNotFoundError);
|
|
177 |
break;
|
|
178 |
case QLocalSocket::SocketAccessError:
|
|
179 |
tcpSocket->setSocketError(QAbstractSocket::SocketAccessError);
|
|
180 |
break;
|
|
181 |
case QLocalSocket::SocketResourceError:
|
|
182 |
tcpSocket->setSocketError(QAbstractSocket::SocketResourceError);
|
|
183 |
break;
|
|
184 |
case QLocalSocket::SocketTimeoutError:
|
|
185 |
tcpSocket->setSocketError(QAbstractSocket::SocketTimeoutError);
|
|
186 |
break;
|
|
187 |
case QLocalSocket::DatagramTooLargeError:
|
|
188 |
tcpSocket->setSocketError(QAbstractSocket::DatagramTooLargeError);
|
|
189 |
break;
|
|
190 |
case QLocalSocket::ConnectionError:
|
|
191 |
tcpSocket->setSocketError(QAbstractSocket::NetworkError);
|
|
192 |
break;
|
|
193 |
case QLocalSocket::UnsupportedSocketOperationError:
|
|
194 |
tcpSocket->setSocketError(QAbstractSocket::UnsupportedSocketOperationError);
|
|
195 |
break;
|
|
196 |
case QLocalSocket::UnknownSocketError:
|
|
197 |
default:
|
|
198 |
tcpSocket->setSocketError(QAbstractSocket::UnknownSocketError);
|
|
199 |
}
|
|
200 |
|
|
201 |
QString errorString = generateErrorString(error, function);
|
|
202 |
q->setErrorString(errorString);
|
|
203 |
emit q->error(error);
|
|
204 |
|
|
205 |
// errors cause a disconnect
|
|
206 |
tcpSocket->setSocketState(QAbstractSocket::UnconnectedState);
|
|
207 |
bool stateChanged = (state != QLocalSocket::UnconnectedState);
|
|
208 |
state = QLocalSocket::UnconnectedState;
|
|
209 |
q->close();
|
|
210 |
if (stateChanged)
|
|
211 |
q->emit stateChanged(state);
|
|
212 |
}
|
|
213 |
|
|
214 |
void QLocalSocket::connectToServer(const QString &name, OpenMode openMode)
|
|
215 |
{
|
|
216 |
Q_D(QLocalSocket);
|
|
217 |
if (state() == ConnectedState
|
|
218 |
|| state() == ConnectingState)
|
|
219 |
return;
|
|
220 |
|
|
221 |
d->errorString = QString();
|
|
222 |
d->state = ConnectingState;
|
|
223 |
emit stateChanged(d->state);
|
|
224 |
|
|
225 |
if (name.isEmpty()) {
|
|
226 |
d->errorOccurred(ServerNotFoundError,
|
|
227 |
QLatin1String("QLocalSocket::connectToServer"));
|
|
228 |
return;
|
|
229 |
}
|
|
230 |
|
|
231 |
d->serverName = name;
|
|
232 |
const QLatin1String prefix("QLocalServer/");
|
|
233 |
if (name.startsWith(prefix))
|
|
234 |
d->fullServerName = name;
|
|
235 |
else
|
|
236 |
d->fullServerName = prefix + name;
|
|
237 |
|
|
238 |
QSettings settings(QLatin1String("Trolltech"), QLatin1String("Qt"));
|
|
239 |
bool ok;
|
|
240 |
const quint16 port = settings.value(d->fullServerName).toUInt(&ok);
|
|
241 |
if (!ok) {
|
|
242 |
d->errorOccurred(ServerNotFoundError,
|
|
243 |
QLatin1String("QLocalSocket::connectToServer"));
|
|
244 |
return;
|
|
245 |
}
|
|
246 |
d->tcpSocket->connectToHost(QHostAddress::LocalHost, port, openMode);
|
|
247 |
QIODevice::open(openMode);
|
|
248 |
}
|
|
249 |
|
|
250 |
bool QLocalSocket::setSocketDescriptor(quintptr socketDescriptor,
|
|
251 |
LocalSocketState socketState, OpenMode openMode)
|
|
252 |
{
|
|
253 |
Q_D(QLocalSocket);
|
|
254 |
QAbstractSocket::SocketState newSocketState = QAbstractSocket::UnconnectedState;
|
|
255 |
switch (socketState) {
|
|
256 |
case ConnectingState:
|
|
257 |
newSocketState = QAbstractSocket::ConnectingState;
|
|
258 |
break;
|
|
259 |
case ConnectedState:
|
|
260 |
newSocketState = QAbstractSocket::ConnectedState;
|
|
261 |
break;
|
|
262 |
case ClosingState:
|
|
263 |
newSocketState = QAbstractSocket::ClosingState;
|
|
264 |
break;
|
|
265 |
case UnconnectedState:
|
|
266 |
newSocketState = QAbstractSocket::UnconnectedState;
|
|
267 |
break;
|
|
268 |
}
|
|
269 |
QIODevice::open(openMode);
|
|
270 |
d->state = socketState;
|
|
271 |
|
|
272 |
// Is our parent a localServer? Then it wants us to use its remote socket.
|
|
273 |
QLocalServer* localServer = qobject_cast<QLocalServer*>( parent() );
|
|
274 |
if (localServer) {
|
|
275 |
foreach (QObject* child, localServer->children()) {
|
|
276 |
QTcpSocket* childTcpSocket = qobject_cast<QTcpSocket*>(child);
|
|
277 |
if (childTcpSocket && childTcpSocket->socketDescriptor() == socketDescriptor) {
|
|
278 |
d->setSocket( static_cast<QLocalUnixSocket*>(childTcpSocket) );
|
|
279 |
return true;
|
|
280 |
}
|
|
281 |
}
|
|
282 |
}
|
|
283 |
|
|
284 |
// We couldn't find the socket in the children list of our server.
|
|
285 |
// So it might be that the user wants to set a socket descriptor.
|
|
286 |
return d->tcpSocket->setSocketDescriptor(socketDescriptor,
|
|
287 |
newSocketState, openMode);
|
|
288 |
}
|
|
289 |
|
|
290 |
quintptr QLocalSocket::socketDescriptor() const
|
|
291 |
{
|
|
292 |
Q_D(const QLocalSocket);
|
|
293 |
return d->tcpSocket->socketDescriptor();
|
|
294 |
}
|
|
295 |
|
|
296 |
qint64 QLocalSocket::readData(char *data, qint64 c)
|
|
297 |
{
|
|
298 |
Q_D(QLocalSocket);
|
|
299 |
return d->tcpSocket->readData(data, c);
|
|
300 |
}
|
|
301 |
|
|
302 |
qint64 QLocalSocket::writeData(const char *data, qint64 c)
|
|
303 |
{
|
|
304 |
Q_D(QLocalSocket);
|
|
305 |
return d->tcpSocket->writeData(data, c);
|
|
306 |
}
|
|
307 |
|
|
308 |
void QLocalSocket::abort()
|
|
309 |
{
|
|
310 |
Q_D(QLocalSocket);
|
|
311 |
d->tcpSocket->abort();
|
|
312 |
}
|
|
313 |
|
|
314 |
qint64 QLocalSocket::bytesAvailable() const
|
|
315 |
{
|
|
316 |
Q_D(const QLocalSocket);
|
|
317 |
return QIODevice::bytesAvailable() + d->tcpSocket->bytesAvailable();
|
|
318 |
}
|
|
319 |
|
|
320 |
qint64 QLocalSocket::bytesToWrite() const
|
|
321 |
{
|
|
322 |
Q_D(const QLocalSocket);
|
|
323 |
return d->tcpSocket->bytesToWrite();
|
|
324 |
}
|
|
325 |
|
|
326 |
bool QLocalSocket::canReadLine() const
|
|
327 |
{
|
|
328 |
Q_D(const QLocalSocket);
|
|
329 |
return QIODevice::canReadLine() || d->tcpSocket->canReadLine();
|
|
330 |
}
|
|
331 |
|
|
332 |
void QLocalSocket::close()
|
|
333 |
{
|
|
334 |
Q_D(QLocalSocket);
|
|
335 |
d->tcpSocket->close();
|
|
336 |
d->serverName = QString();
|
|
337 |
d->fullServerName = QString();
|
|
338 |
QIODevice::close();
|
|
339 |
}
|
|
340 |
|
|
341 |
bool QLocalSocket::waitForBytesWritten(int msecs)
|
|
342 |
{
|
|
343 |
Q_D(QLocalSocket);
|
|
344 |
return d->tcpSocket->waitForBytesWritten(msecs);
|
|
345 |
}
|
|
346 |
|
|
347 |
bool QLocalSocket::flush()
|
|
348 |
{
|
|
349 |
Q_D(QLocalSocket);
|
|
350 |
return d->tcpSocket->flush();
|
|
351 |
}
|
|
352 |
|
|
353 |
void QLocalSocket::disconnectFromServer()
|
|
354 |
{
|
|
355 |
Q_D(QLocalSocket);
|
|
356 |
d->tcpSocket->disconnectFromHost();
|
|
357 |
}
|
|
358 |
|
|
359 |
QLocalSocket::LocalSocketError QLocalSocket::error() const
|
|
360 |
{
|
|
361 |
Q_D(const QLocalSocket);
|
|
362 |
switch (d->tcpSocket->error()) {
|
|
363 |
case QAbstractSocket::ConnectionRefusedError:
|
|
364 |
return QLocalSocket::ConnectionRefusedError;
|
|
365 |
case QAbstractSocket::RemoteHostClosedError:
|
|
366 |
return QLocalSocket::PeerClosedError;
|
|
367 |
case QAbstractSocket::HostNotFoundError:
|
|
368 |
return QLocalSocket::ServerNotFoundError;
|
|
369 |
case QAbstractSocket::SocketAccessError:
|
|
370 |
return QLocalSocket::SocketAccessError;
|
|
371 |
case QAbstractSocket::SocketResourceError:
|
|
372 |
return QLocalSocket::SocketResourceError;
|
|
373 |
case QAbstractSocket::SocketTimeoutError:
|
|
374 |
return QLocalSocket::SocketTimeoutError;
|
|
375 |
case QAbstractSocket::DatagramTooLargeError:
|
|
376 |
return QLocalSocket::DatagramTooLargeError;
|
|
377 |
case QAbstractSocket::NetworkError:
|
|
378 |
return QLocalSocket::ConnectionError;
|
|
379 |
case QAbstractSocket::UnsupportedSocketOperationError:
|
|
380 |
return QLocalSocket::UnsupportedSocketOperationError;
|
|
381 |
case QAbstractSocket::UnknownSocketError:
|
|
382 |
return QLocalSocket::UnknownSocketError;
|
|
383 |
default:
|
|
384 |
#if defined QLOCALSOCKET_DEBUG
|
|
385 |
qWarning() << "QLocalSocket error not handled:" << d->tcpSocket->error();
|
|
386 |
#endif
|
|
387 |
break;
|
|
388 |
}
|
|
389 |
return UnknownSocketError;
|
|
390 |
}
|
|
391 |
|
|
392 |
bool QLocalSocket::isValid() const
|
|
393 |
{
|
|
394 |
Q_D(const QLocalSocket);
|
|
395 |
return d->tcpSocket->isValid();
|
|
396 |
}
|
|
397 |
|
|
398 |
qint64 QLocalSocket::readBufferSize() const
|
|
399 |
{
|
|
400 |
Q_D(const QLocalSocket);
|
|
401 |
return d->tcpSocket->readBufferSize();
|
|
402 |
}
|
|
403 |
|
|
404 |
void QLocalSocket::setReadBufferSize(qint64 size)
|
|
405 |
{
|
|
406 |
Q_D(QLocalSocket);
|
|
407 |
d->tcpSocket->setReadBufferSize(size);
|
|
408 |
}
|
|
409 |
|
|
410 |
bool QLocalSocket::waitForConnected(int msec)
|
|
411 |
{
|
|
412 |
Q_D(QLocalSocket);
|
|
413 |
if (state() != ConnectingState)
|
|
414 |
return (state() == ConnectedState);
|
|
415 |
|
|
416 |
return d->tcpSocket->waitForConnected(msec);
|
|
417 |
}
|
|
418 |
|
|
419 |
bool QLocalSocket::waitForDisconnected(int msecs)
|
|
420 |
{
|
|
421 |
Q_D(QLocalSocket);
|
|
422 |
if (state() == UnconnectedState) {
|
|
423 |
qWarning() << "QLocalSocket::waitForDisconnected() is not allowed in UnconnectedState";
|
|
424 |
return false;
|
|
425 |
}
|
|
426 |
return (d->tcpSocket->waitForDisconnected(msecs));
|
|
427 |
}
|
|
428 |
|
|
429 |
bool QLocalSocket::waitForReadyRead(int msecs)
|
|
430 |
{
|
|
431 |
Q_D(QLocalSocket);
|
|
432 |
if (state() == QLocalSocket::UnconnectedState)
|
|
433 |
return false;
|
|
434 |
return (d->tcpSocket->waitForReadyRead(msecs));
|
|
435 |
}
|
|
436 |
|
|
437 |
QT_END_NAMESPACE
|