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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "outputcollector.h"
#include "debuggertr.h"
#ifdef Q_OS_WIN
#include <QLocalServer>
#include <QLocalSocket>
#include <QCoreApplication>
#include <stdlib.h>
#else
#include <utils/temporaryfile.h>
#include <QSocketNotifier>
#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::Internal {
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, &QLocalServer::newConnection, this, &OutputCollector::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 {
{
Utils::TemporaryFile tf("outputcollector");
if (!tf.open()) {
m_errorString = Tr::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::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::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, &QSocketNotifier::activated, this, &OutputCollector::bytesAvailable);
return true;
#endif
}
void OutputCollector::shutdown()
{
// Make sure any last data is read first.
bytesAvailable();
#ifdef Q_OS_WIN
delete m_server; // Deletes socket as well (QObject parent)
m_server = nullptr;
m_socket = nullptr;
#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, &QIODevice::readyRead, this, &OutputCollector::bytesAvailable);
}
#endif
void OutputCollector::bytesAvailable()
{
#ifdef Q_OS_WIN
if (m_socket)
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
}
} // Debugger::Internal
|
