diff options
| -rw-r--r-- | src/serialport/qserialportinfo_unix.cpp | 230 |
1 files changed, 128 insertions, 102 deletions
diff --git a/src/serialport/qserialportinfo_unix.cpp b/src/serialport/qserialportinfo_unix.cpp index 1856c0e..ea5a1b3 100644 --- a/src/serialport/qserialportinfo_unix.cpp +++ b/src/serialport/qserialportinfo_unix.cpp @@ -49,7 +49,7 @@ #ifndef Q_OS_MAC -#if defined (Q_OS_LINUX) && defined (HAVE_LIBUDEV) +#ifdef HAVE_LIBUDEV extern "C" { #include <libudev.h> @@ -65,7 +65,7 @@ QT_BEGIN_NAMESPACE #ifndef Q_OS_MAC -#if !(defined (Q_OS_LINUX) && defined (HAVE_LIBUDEV)) +#ifndef HAVE_LIBUDEV static inline const QStringList& filtersOfDevices() { @@ -90,13 +90,135 @@ static inline const QStringList& filtersOfDevices() return deviceFileNameFilterList; } -#endif +static QStringList filteredDeviceFilePaths() +{ + QStringList result; + + QDir deviceDir(QLatin1String("/dev")); + if (deviceDir.exists()) { + deviceDir.setNameFilters(filtersOfDevices()); + deviceDir.setFilter(QDir::Files | QDir::System | QDir::NoSymLinks); + QStringList deviceFilePaths; + foreach (const QFileInfo &deviceFileInfo, deviceDir.entryInfoList()) { + const QString deviceAbsoluteFilePath = deviceFileInfo.absoluteFilePath(); + if (!deviceFilePaths.contains(deviceAbsoluteFilePath)) { + deviceFilePaths.append(deviceAbsoluteFilePath); + result.append(deviceAbsoluteFilePath); + } + } + } + + return result; +} QList<QSerialPortInfo> QSerialPortInfo::availablePorts() { QList<QSerialPortInfo> serialPortInfoList; -#if defined (Q_OS_LINUX) && defined (HAVE_LIBUDEV) + bool sysfsEnabled = false; + +#ifdef Q_OS_LINUX + + QDir ttySysClassDir(QLatin1String("/sys/class/tty")); + sysfsEnabled = ttySysClassDir.exists() && ttySysClassDir.isReadable(); + + if (sysfsEnabled) { + ttySysClassDir.setFilter(QDir::Dirs | QDir::NoDotAndDotDot); + foreach (const QFileInfo &fileInfo, ttySysClassDir.entryInfoList()) { + if (!fileInfo.isSymLink()) + continue; + + const QString targetPath = fileInfo.symLinkTarget(); + const int lastIndexOfSlash = targetPath.lastIndexOf(QLatin1Char('/')); + if (lastIndexOfSlash == -1) + continue; + + bool canAppendToList = true; + QSerialPortInfo serialPortInfo; + + if (targetPath.contains(QLatin1String("pnp"))) { + // TODO: Implement me. + } else if (targetPath.contains(QLatin1String("platform"))) { + // Platform 'pseudo' bus for legacy device. + // Skip this devices because this type of subsystem does + // not include a real physical serial device. + canAppendToList = false; + } else if (targetPath.contains(QLatin1String("usb"))) { + + QDir targetDir(targetPath); + targetDir.setFilter(QDir::Files | QDir::Readable); + targetDir.setNameFilters(QStringList(QLatin1String("uevent"))); + + do { + const QFileInfoList entryInfoList = targetDir.entryInfoList(); + if (entryInfoList.isEmpty()) + continue; + + QFile uevent(entryInfoList.first().absoluteFilePath()); + if (!uevent.open(QIODevice::ReadOnly | QIODevice::Text)) + continue; + + const QString ueventContent = QString::fromLatin1(uevent.readAll()); + + if (ueventContent.contains(QLatin1String("DEVTYPE=usb_device")) + && ueventContent.contains(QLatin1String("DRIVER=usb"))) { + + QFile description(QFileInfo(targetDir, QLatin1String("product")).absoluteFilePath()); + if (description.open(QIODevice::ReadOnly | QIODevice::Text)) + serialPortInfo.d_ptr->description = QString::fromLatin1(description.readAll()).simplified(); + + QFile manufacturer(QFileInfo(targetDir, QLatin1String("manufacturer")).absoluteFilePath()); + if (manufacturer.open(QIODevice::ReadOnly | QIODevice::Text)) + serialPortInfo.d_ptr->manufacturer = QString::fromLatin1(manufacturer.readAll()).simplified(); + + QFile vendorIdentifier(QFileInfo(targetDir, QLatin1String("idVendor")).absoluteFilePath()); + if (vendorIdentifier.open(QIODevice::ReadOnly | QIODevice::Text)) { + serialPortInfo.d_ptr->vendorIdentifier = QString::fromLatin1(vendorIdentifier.readAll()) + .toInt(&serialPortInfo.d_ptr->hasVendorIdentifier, 16); + } + + QFile productIdentifier(QFileInfo(targetDir, QLatin1String("idProduct")).absoluteFilePath()); + if (productIdentifier.open(QIODevice::ReadOnly | QIODevice::Text)) { + serialPortInfo.d_ptr->productIdentifier = QString::fromLatin1(productIdentifier.readAll()) + .toInt(&serialPortInfo.d_ptr->hasProductIdentifier, 16); + } + + break; + } + } while (targetDir.cdUp()); + + } else { + // unknown types of devices + canAppendToList = false; + } + + if (canAppendToList) { + serialPortInfo.d_ptr->portName = targetPath.mid(lastIndexOfSlash + 1); + serialPortInfo.d_ptr->device = QSerialPortPrivate::portNameToSystemLocation(serialPortInfo.d_ptr->portName); + serialPortInfoList.append(serialPortInfo); + } + } + } + +#endif + + if (!sysfsEnabled) { + foreach (const QString &deviceFilePath, filteredDeviceFilePaths()) { + QSerialPortInfo serialPortInfo; + serialPortInfo.d_ptr->device = deviceFilePath; + serialPortInfo.d_ptr->portName = QSerialPortPrivate::portNameFromSystemLocation(deviceFilePath); + serialPortInfoList.append(serialPortInfo); + } + } + + return serialPortInfoList; +} + +#else + +QList<QSerialPortInfo> QSerialPortInfo::availablePorts() +{ + QList<QSerialPortInfo> serialPortInfoList; // White list for devices without a parent static const QString rfcommDeviceName(QLatin1String("rfcomm")); @@ -202,107 +324,11 @@ QList<QSerialPortInfo> QSerialPortInfo::availablePorts() ::udev_unref(udev); } -#elif defined (Q_OS_FREEBSD) && defined (HAVE_LIBUSB) - // TODO: Implement me. -#else - - QDir devDir(QLatin1String("/dev")); - if (devDir.exists()) { - - devDir.setNameFilters(filtersOfDevices()); - devDir.setFilter(QDir::Files | QDir::System | QDir::NoSymLinks); - - QStringList foundDevices; // Found devices list. - - foreach (const QFileInfo &deviceFileInfo, devDir.entryInfoList()) { - QString deviceFilePath = deviceFileInfo.absoluteFilePath(); - if (!foundDevices.contains(deviceFilePath)) { - foundDevices.append(deviceFilePath); - - QSerialPortInfo serialPortInfo; - - serialPortInfo.d_ptr->device = deviceFilePath; - serialPortInfo.d_ptr->portName = QSerialPortPrivate::portNameFromSystemLocation(deviceFilePath); - - bool canAppendToList = true; - -#if defined (Q_OS_LINUX) - - const QFileInfo ttySysClassFileInfo(QDir(QLatin1String("/sys/class/tty")) - .absoluteFilePath(serialPortInfo.d_ptr->portName)); - - const QString targetPath = ttySysClassFileInfo.isSymLink() - ? ttySysClassFileInfo.symLinkTarget() : ttySysClassFileInfo.canonicalPath(); - - if (targetPath.contains(QLatin1String("pnp"))) { - // TODO: Implement me. - } else if (targetPath.contains(QLatin1String("platform"))) { - // Platform 'pseudo' bus for legacy device. - // Skip this devices because this type of subsystem does - // not include a real physical serial device. - canAppendToList = false; - } else if (targetPath.contains(QLatin1String("usb"))) { - - QDir targetDir(targetPath); - targetDir.setFilter(QDir::Files | QDir::Readable); - targetDir.setNameFilters(QStringList(QLatin1String("uevent"))); - - do { - const QFileInfoList entryInfoList = targetDir.entryInfoList(); - if (entryInfoList.isEmpty()) - continue; - - QFile uevent(entryInfoList.first().absoluteFilePath()); - if (!uevent.open(QIODevice::ReadOnly | QIODevice::Text)) - continue; - - const QString ueventContent(uevent.readAll()); - - if (ueventContent.contains(QLatin1String("DEVTYPE=usb_device")) - && ueventContent.contains(QLatin1String("DRIVER=usb"))) { - - QFile description(QFileInfo(targetDir, QLatin1String("product")).absoluteFilePath()); - if (description.open(QIODevice::ReadOnly | QIODevice::Text)) - serialPortInfo.d_ptr->description = QString(description.readAll()).simplified(); - - QFile manufacturer(QFileInfo(targetDir, QLatin1String("manufacturer")).absoluteFilePath()); - if (manufacturer.open(QIODevice::ReadOnly | QIODevice::Text)) - serialPortInfo.d_ptr->manufacturer = QString(manufacturer.readAll()).simplified(); - - QFile vendorIdentifier(QFileInfo(targetDir, QLatin1String("idVendor")).absoluteFilePath()); - if (vendorIdentifier.open(QIODevice::ReadOnly | QIODevice::Text)) { - serialPortInfo.d_ptr->vendorIdentifier = QString::fromLatin1(vendorIdentifier.readAll()) - .toInt(&serialPortInfo.d_ptr->hasVendorIdentifier, 16); - } - - QFile productIdentifier(QFileInfo(targetDir, QLatin1String("idProduct")).absoluteFilePath()); - if (productIdentifier.open(QIODevice::ReadOnly | QIODevice::Text)) { - serialPortInfo.d_ptr->productIdentifier = QString::fromLatin1(productIdentifier.readAll()) - .toInt(&serialPortInfo.d_ptr->hasProductIdentifier, 16); - } - - break; - } - } while (targetDir.cdUp()); - - } else { - // Unknown types of devices - canAppendToList = false; - } - -#endif - if (canAppendToList) - serialPortInfoList.append(serialPortInfo); - - } - } - } - -#endif - return serialPortInfoList; } +#endif + #endif // Q_OS_MAC // common part |