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/****************************************************************************
**
** Copyright (C) 2011-2012 Denis Shienkov <denis.shienkov@gmail.com>
** Copyright (C) 2011 Sergey Belyashov <Sergey.Belyashov@gmail.com>
** Copyright (C) 2012 Laszlo Papp <lpapp@kde.org>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtSerialPort module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qserialportinfo.h"
#include "qserialportinfo_p.h"
#include <sys/param.h>
#include <CoreFoundation/CoreFoundation.h>
#include <IOKit/IOKitLib.h>
#include <IOKit/serial/IOSerialKeys.h>
#include <IOKit/storage/IOStorageDeviceCharacteristics.h> // for kIOPropertyProductNameKey
#include <IOKit/usb/USB.h>
#if defined(MAC_OS_X_VERSION_10_4) && (MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_4)
# include <IOKit/serial/ioss.h>
#endif
#include <IOKit/IOBSD.h>
QT_BEGIN_NAMESPACE
enum { MATCHING_PROPERTIES_COUNT = 6 };
QList<QSerialPortInfo> QSerialPortInfo::availablePorts()
{
QList<QSerialPortInfo> serialPortInfoList;
int matchingPropertiesCounter = 0;
::CFMutableDictionaryRef matching = ::IOServiceMatching(kIOSerialBSDServiceValue);
if (!matching)
return serialPortInfoList;
::CFDictionaryAddValue(matching,
CFSTR(kIOSerialBSDTypeKey),
CFSTR(kIOSerialBSDAllTypes));
io_iterator_t iter = 0;
kern_return_t kr = ::IOServiceGetMatchingServices(kIOMasterPortDefault,
matching,
&iter);
if (kr != kIOReturnSuccess)
return serialPortInfoList;
io_registry_entry_t service;
while ((service = ::IOIteratorNext(iter))) {
::CFTypeRef device = 0;
::CFTypeRef portName = 0;
::CFTypeRef description = 0;
::CFTypeRef manufacturer = 0;
::CFTypeRef vendorIdentifier = 0;
::CFTypeRef productIdentifier = 0;
io_registry_entry_t entry = service;
// Find MacOSX-specific properties names.
do {
if (!device) {
device =
::IORegistryEntrySearchCFProperty(entry,
kIOServicePlane,
CFSTR(kIOCalloutDeviceKey),
kCFAllocatorDefault,
0);
if (device)
++matchingPropertiesCounter;
}
if (!portName) {
portName =
::IORegistryEntrySearchCFProperty(entry,
kIOServicePlane,
CFSTR(kIOTTYDeviceKey),
kCFAllocatorDefault,
0);
if (portName)
++matchingPropertiesCounter;
}
if (!description) {
description =
::IORegistryEntrySearchCFProperty(entry,
kIOServicePlane,
CFSTR(kIOPropertyProductNameKey),
kCFAllocatorDefault,
0);
if (!description)
description =
::IORegistryEntrySearchCFProperty(entry,
kIOServicePlane,
CFSTR(kUSBProductString),
kCFAllocatorDefault,
0);
if (!description)
description =
::IORegistryEntrySearchCFProperty(entry,
kIOServicePlane,
CFSTR("BTName"),
kCFAllocatorDefault,
0);
if (description)
++matchingPropertiesCounter;
}
if (!manufacturer) {
manufacturer =
::IORegistryEntrySearchCFProperty(entry,
kIOServicePlane,
CFSTR(kUSBVendorString),
kCFAllocatorDefault,
0);
if (manufacturer)
++matchingPropertiesCounter;
}
if (!vendorIdentifier) {
vendorIdentifier =
::IORegistryEntrySearchCFProperty(entry,
kIOServicePlane,
CFSTR(kUSBVendorID),
kCFAllocatorDefault,
0);
if (vendorIdentifier)
++matchingPropertiesCounter;
}
if (!productIdentifier) {
productIdentifier =
::IORegistryEntrySearchCFProperty(entry,
kIOServicePlane,
CFSTR(kUSBProductID),
kCFAllocatorDefault,
0);
if (productIdentifier)
++matchingPropertiesCounter;
}
// If all matching properties is found, then force break loop.
if (matchingPropertiesCounter == MATCHING_PROPERTIES_COUNT)
break;
kr = ::IORegistryEntryGetParentEntry(entry, kIOServicePlane, &entry);
} while (kr == kIOReturnSuccess);
(void) ::IOObjectRelease(entry);
// Convert from MacOSX-specific properties to Qt4-specific.
if (matchingPropertiesCounter > 0) {
QSerialPortInfo serialPortInfo;
QByteArray buffer(MAXPATHLEN, 0);
if (device) {
if (::CFStringGetCString(CFStringRef(device),
buffer.data(),
buffer.size(),
kCFStringEncodingUTF8)) {
serialPortInfo.d_ptr->device = QString::fromUtf8(buffer);
}
::CFRelease(device);
}
if (portName) {
if (::CFStringGetCString(CFStringRef(portName),
buffer.data(),
buffer.size(),
kCFStringEncodingUTF8)) {
serialPortInfo.d_ptr->portName = QString::fromUtf8(buffer);
}
::CFRelease(portName);
}
if (description) {
if (::CFStringGetCString(CFStringRef(description),
buffer.data(),
buffer.size(),
kCFStringEncodingUTF8)) {
serialPortInfo.d_ptr->description = QString::fromUtf8(buffer);
}
::CFRelease(description);
}
if (manufacturer) {
if (::CFStringGetCString(CFStringRef(manufacturer),
buffer.data(),
buffer.size(),
kCFStringEncodingUTF8)) {
serialPortInfo.d_ptr->manufacturer = QString::fromUtf8(buffer);
}
::CFRelease(manufacturer);
}
quint16 value = 0;
if (vendorIdentifier) {
serialPortInfo.d_ptr->hasVendorIdentifier = ::CFNumberGetValue(CFNumberRef(vendorIdentifier), kCFNumberIntType, &value);
if (serialPortInfo.d_ptr->hasVendorIdentifier)
serialPortInfo.d_ptr->vendorIdentifier = value;
::CFRelease(vendorIdentifier);
}
if (productIdentifier) {
serialPortInfo.d_ptr->hasProductIdentifier = ::CFNumberGetValue(CFNumberRef(productIdentifier), kCFNumberIntType, &value);
if (serialPortInfo.d_ptr->hasProductIdentifier)
serialPortInfo.d_ptr->productIdentifier = value;
::CFRelease(productIdentifier);
}
serialPortInfoList.append(serialPortInfo);
}
(void) ::IOObjectRelease(service);
}
(void) ::IOObjectRelease(iter);
return serialPortInfoList;
}
QT_END_NAMESPACE