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
|
/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, 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, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#include "outputcollector.h"
#ifdef Q_OS_WIN
#include <QLocalServer>
#include <QLocalSocket>
#include <QCoreApplication>
#include <stdlib.h>
#else
#include <QFile>
#include <QSocketNotifier>
#include <QTemporaryFile>
#include <QVarLengthArray>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/stat.h>
#ifdef Q_OS_SOLARIS
# include <sys/filio.h> // FIONREAD
#endif
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
#endif
namespace Debugger {
namespace Internal {
OutputCollector::OutputCollector(QObject *parent)
: QObject(parent)
{
#ifdef Q_OS_WIN
m_server = 0;
m_socket = 0;
#endif
}
OutputCollector::~OutputCollector()
{
shutdown();
}
bool OutputCollector::listen()
{
#ifdef Q_OS_WIN
if (m_server)
return m_server->isListening();
m_server = new QLocalServer(this);
connect(m_server, SIGNAL(newConnection()), SLOT(newConnectionAvailable()));
return m_server->listen(QString::fromLatin1("creator-%1-%2")
.arg(QCoreApplication::applicationPid())
.arg(rand()));
#else
if (!m_serverPath.isEmpty())
return true;
QByteArray codedServerPath;
forever {
{
QTemporaryFile tf;
if (!tf.open()) {
m_errorString = tr("Cannot create temporary file: %1").arg(tf.errorString());
m_serverPath.clear();
return false;
}
m_serverPath = tf.fileName();
}
// By now the temp file was deleted again
codedServerPath = QFile::encodeName(m_serverPath);
if (!::mkfifo(codedServerPath.constData(), 0600))
break;
if (errno != EEXIST) {
m_errorString = tr("Cannot create FiFo %1: %2").
arg(m_serverPath, QString::fromLocal8Bit(strerror(errno)));
m_serverPath.clear();
return false;
}
}
if ((m_serverFd = ::open(codedServerPath.constData(), O_RDONLY|O_NONBLOCK)) < 0) {
m_errorString = tr("Cannot open FiFo %1: %2").
arg(m_serverPath, QString::fromLocal8Bit(strerror(errno)));
m_serverPath.clear();
return false;
}
m_serverNotifier = new QSocketNotifier(m_serverFd, QSocketNotifier::Read, this);
connect(m_serverNotifier, SIGNAL(activated(int)), SLOT(bytesAvailable()));
return true;
#endif
}
void OutputCollector::shutdown()
{
#ifdef Q_OS_WIN
delete m_server; // Deletes socket as well (QObject parent)
m_server = 0;
m_socket = 0;
#else
if (!m_serverPath.isEmpty()) {
::close(m_serverFd);
::unlink(QFile::encodeName(m_serverPath).constData());
delete m_serverNotifier;
m_serverPath.clear();
}
#endif
}
QString OutputCollector::errorString() const
{
#ifdef Q_OS_WIN
return m_socket ? m_socket->errorString() : m_server->errorString();
#else
return m_errorString;
#endif
}
QString OutputCollector::serverName() const
{
#ifdef Q_OS_WIN
return m_server->fullServerName();
#else
return m_serverPath;
#endif
}
#ifdef Q_OS_WIN
void OutputCollector::newConnectionAvailable()
{
if (m_socket)
return;
m_socket = m_server->nextPendingConnection();
connect(m_socket, SIGNAL(readyRead()), SLOT(bytesAvailable()));
}
#endif
void OutputCollector::bytesAvailable()
{
#ifdef Q_OS_WIN
emit byteDelivery(m_socket->readAll());
#else
size_t nbytes = 0;
if (::ioctl(m_serverFd, FIONREAD, (char *) &nbytes) < 0)
return;
QVarLengthArray<char, 8192> buff(nbytes);
if (::read(m_serverFd, buff.data(), nbytes) != (int)nbytes)
return;
if (nbytes) // Skip EOF notifications
emit byteDelivery(QByteArray::fromRawData(buff.data(), nbytes));
#endif
}
} // namespace Internal
} // namespace Debugger
|
