1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtSystems module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qservicedebuglog_p.h"
#include <QDebug>
#include <QTime>
#include <QMutex>
#include <QMutexLocker>
#include <QUdpSocket>
#include <QCoreApplication>
#include <QFileInfo>
#include <QNetworkInterface>
#ifdef Q_OS_UNIX
#include <signal.h>
#endif
QT_BEGIN_NAMESPACE
QServiceDebugMessage::QServiceDebugMessage()
{
#ifdef QT_SFW_IPC_DEBUG
buffer = new QBuffer();
buffer->open(QIODevice::WriteOnly);
ds.setDevice(buffer);
QTime t = QTime::currentTime();
ds << (quint8)t.hour();
ds << (quint8)t.minute();
ds << (quint8)t.second();
ds << (quint16)t.msec();
ds << (quint32)(QCoreApplication::applicationPid());
QFileInfo fi(QCoreApplication::applicationFilePath());
QByteArray ba = fi.fileName().toLatin1();
ds.writeBytes(ba.constData(), ba.size());
#endif
}
QServiceDebugMessage::~QServiceDebugMessage()
{
#ifdef QT_SFW_IPC_DEBUG
/* when we're destructed, we're ready to send! */
buffer->close();
QServiceDebugLog::instance()->logMessage(this);
#endif
}
const static QHostAddress _group_addr(QLatin1String("224.0.105.201"));
QServiceDebugLog::QServiceDebugLog()
{
makeSockets();
}
#ifdef QT_SFW_IPC_DEBUG
#include <fcntl.h>
#endif
void QServiceDebugLog::makeSockets()
{
#ifdef QT_SFW_IPC_DEBUG
if (sockets.size() > 0)
return;
QList<QNetworkInterface> ifs = QNetworkInterface::allInterfaces();
foreach (const QNetworkInterface &inf, ifs) {
/* avoid the loopback or any wireless interfaces
* (we probably don't want debug over those) */
if (inf.name().startsWith("wifi")
|| inf.name().startsWith("wl") || inf.name().startsWith("ppp")
|| inf.name().startsWith("tun") || inf.name().startsWith("tap"))
continue;
QUdpSocket *socket = new QUdpSocket();
if (!socket->bind(QHostAddress::AnyIPv4, 10520, QAbstractSocket::ShareAddress)) {
delete socket;
continue;
}
socket->setMulticastInterface(inf);
if (!socket->joinMulticastGroup(_group_addr, inf)) {
delete socket;
continue;
}
int fd = socket->socketDescriptor();
int flags = ::fcntl(fd, F_GETFL, 0);
if (flags < 0) {
delete socket;
continue;
}
flags |= O_NONBLOCK;
if (::fcntl(fd, F_SETFL, flags)) {
delete socket;
continue;
}
qDebug("SFW udp debug on interface %s", qPrintable(inf.name()));
sockets << socket;
}
#endif
}
void QServiceDebugLog::logMessage(QServiceDebugMessage *msg)
{
#ifdef QT_SFW_IPC_DEBUG
QMutexLocker m(&socketLock);
if (sockets.size() == 0) {
makeSockets();
if (sockets.size() == 0) {
queue << msg->buffer;
return;
}
}
if (sockets.size() > 0) {
while (!queue.isEmpty()) {
foreach (QUdpSocket *socket, sockets) {
int ret = socket->writeDatagram(queue.front()->data(), _group_addr, 10520);
if (ret == -1 && (errno == EWOULDBLOCK || errno == EAGAIN)) {
queue << msg->buffer;
return;
}
}
delete queue.front();
queue.pop_front();
}
foreach (QUdpSocket *socket, sockets) {
int ret = socket->writeDatagram(msg->buffer->data(), _group_addr, 10520);
if (ret == -1 && (errno == EWOULDBLOCK || errno == EAGAIN)) {
queue << msg->buffer;
return;
}
}
delete msg->buffer;
}
#else
Q_UNUSED(msg)
#endif
}
QServiceDebugLog *QServiceDebugLog::instance()
{
static QServiceDebugLog *dbg = 0;
static QMutex m;
QMutexLocker l(&m);
if (!dbg)
dbg = new QServiceDebugLog();
return dbg;
}
QT_END_NAMESPACE
|
