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[Companion] Speed up/fix findMassstoragePath(): Use Qt methods when available (v5.4+) and only check for path on FAT[32] file systems; For older Qt, skip root (/), /net, /proc, & /run devices on Linux/macOS; Fixes long delay on eg. macOS due to network access. Remove unused #include "mountlist.h" in process_flash.cpp. (#4937)

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This commit is contained in:
Max Paperno
2017-05-20 21:34:26 +02:00
committed by Bertrand Songis
parent 1a85956dcb
commit 69576cb17d
2 changed files with 49 additions and 42 deletions
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companion/src/radiointerface.cpp
+48 -40
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@@ -25,15 +25,10 @@
#include "radionotfound.h"
#include "burnconfigdialog.h"
#include "helpers.h"
#include "mountlist.h"
#include "process_copy.h"
#include "storage.h"
#include "progresswidget.h"
#if defined WIN32 || !defined __GNUC__
#include <windows.h>
#endif
QString getRadioInterfaceCmd()
{
burnConfigDialog bcd;
@@ -401,7 +396,9 @@ bool writeEeprom(const QString & filename, ProgressWidget * progress)
return false;
}
#if (QT_VERSION < QT_VERSION_CHECK(5, 4, 0))
#if defined WIN32 || !defined __GNUC__
#include <windows.h>
bool isRemovableMedia(const QString & vol)
{
char szDosDeviceName[MAX_PATH];
@@ -415,61 +412,69 @@ bool isRemovableMedia(const QString & vol)
}
return true;
}
#endif
#else
#include "mountlist.h"
#endif // defined WIN32 || !defined __GNUC__
#endif // (QT_VERSION < QT_VERSION_CHECK(5, 4, 0))
QString findMassstoragePath(const QString & filename, bool onlyPath)
{
QString temppath;
QStringList drives;
QString eepromfile;
QString fsname;
bool found = false;
QRegularExpression fstypeRe("^(v?fat|msdos)", QRegularExpression::CaseInsensitiveOption); // Linux: "vfat"; macOS: "msdos"; Win: "FAT32"
#if (QT_VERSION >= QT_VERSION_CHECK(5, 4, 0))
foreach(const QStorageInfo & si, QStorageInfo::mountedVolumes()) {
//qDebug() << si.rootPath() << si.name() << si.device() << si.displayName() << si.fileSystemType() << si.isReady();
if (!si.isReady() || !QString(si.fileSystemType()).contains(fstypeRe))
continue;
temppath = si.rootPath();
eepromfile = temppath % "/" % filename;
qDebug() << "Searching for" << eepromfile;
if (QFile::exists(eepromfile)) {
found = true;
break;
}
}
#elif defined WIN32 || !defined __GNUC__
static QStringList blacklist;
#if defined WIN32 || !defined __GNUC__
foreach(QFileInfo drive, QDir::drives()) {
foreach(const QFileInfo & drive, QDir::drives()) {
temppath = drive.absolutePath();
if (blacklist.contains(temppath))
continue;
if (!isRemovableMedia(temppath)) {
blacklist.append(temppath);
continue;
}
WCHAR szVolumeName[256] ;
WCHAR szFileSystemName[256];
DWORD dwSerialNumber = 0;
DWORD dwMaxFileNameLength=256;
DWORD dwFileSystemFlags=0;
if (!blacklist.contains(drive.absolutePath())) {
if (!isRemovableMedia( drive.absolutePath() )) {
blacklist.append(drive.absolutePath());
} else {
bool ret = GetVolumeInformationW( (WCHAR *) drive.absolutePath().utf16(),szVolumeName,256,&dwSerialNumber,&dwMaxFileNameLength,&dwFileSystemFlags,szFileSystemName,256);
if (ret) {
QString vName = QString::fromUtf16 ( (const ushort *) szVolumeName) ;
temppath = drive.absolutePath();
eepromfile = temppath;
eepromfile.append("/" + filename);
if (QFile::exists(eepromfile)) {
return onlyPath ? temppath : eepromfile;
}
}
}
if (!GetVolumeInformationW( (WCHAR *) drive.absolutePath().utf16(),szVolumeName,256,&dwSerialNumber,&dwMaxFileNameLength,&dwFileSystemFlags,szFileSystemName,256))
continue;
eepromfile = temppath % "/" % filename;
qDebug() << "Searching for" << eepromfile;
if (QFile::exists(eepromfile)) {
found = true;
break;
}
}
#else
const static QStringList blacklist = QStringList() << "/" << "/net" << "/proc" << "/run";
QStringList drives;
struct mount_entry *entry;
struct mount_entry *firstEntry;
firstEntry = entry = read_file_system_list(true);
while (entry != NULL) {
if (!drives.contains(entry->me_devname)) {
temppath = entry->me_mountdir;
if (!drives.contains(entry->me_devname) && !blacklist.contains(temppath) && QString(entry->me_type).contains(fstypeRe)) {
drives.append(entry->me_devname);
temppath = entry->me_mountdir;
eepromfile = temppath;
eepromfile.append("/" + filename);
eepromfile = temppath % "/" % filename;
qDebug() << "Searching for" << eepromfile;
#if !defined __APPLE__
QString fstype = entry->me_type;
// qDebug() << eepromfile;
if (fstype.contains("fat") && QFile::exists(eepromfile)) {
#else
if (QFile::exists(eepromfile)) {
#endif
free_file_system_list(firstEntry);
return onlyPath ? temppath : eepromfile;
found = true;
break;
}
}
entry = entry->me_next;
@@ -477,5 +482,8 @@ QString findMassstoragePath(const QString & filename, bool onlyPath)
free_file_system_list(firstEntry);
#endif
return QString();
if (found)
return onlyPath ? temppath : eepromfile;
else
return QString();
}