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rockbox/rbutil/rbutilqt/base/autodetection.cpp
Dominik Riebeling 38dde55c27 FS#10100: Wait for the system to remount the player after bootloader installation. 
OS X requires to unmount the player during bootloader installation on Sansas / Ipods. The system remounts the player automatically after a short while.
Not waiting for the system to remount the player will result in a changed mount point, making the small / full install write the main build to the wrong
 location.
This currently waits up to 60 seconds for the player to get remounted until it errors out. This value seems to be sufficient, if it's not please report
so we can adjust it. Also, the waiting can't be interrupted right now.



git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23716 a1c6a512-1295-4272-9138-f99709370657
2009-11-22 22:13:25 +00:00

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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
*
* Copyright (C) 2007 by Dominik Wenger
* $Id$
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include <QtCore>
#include "autodetection.h"
#include "rbsettings.h"
#include "../ipodpatcher/ipodpatcher.h"
#include "../sansapatcher/sansapatcher.h"
#if defined(Q_OS_LINUX) || defined(Q_OS_MACX)
#include <stdio.h>
#endif
#if defined(Q_OS_LINUX)
#include <mntent.h>
#endif
#if defined(Q_OS_MACX)
#include <sys/param.h>
#include <sys/ucred.h>
#include <sys/mount.h>
#endif
#if defined(Q_OS_WIN32)
#if defined(UNICODE)
#define _UNICODE
#endif
#include <stdio.h>
#include <tchar.h>
#include <windows.h>
#include <setupapi.h>
#include <winioctl.h>
#endif
#if defined(Q_OS_OPENBSD)
#include <sys/param.h>
#include <sys/mount.h>
#endif
#include "system.h"
#include "utils.h"
Autodetection::Autodetection(QObject* parent): QObject(parent)
{
}
bool Autodetection::detect()
{
m_device = "";
m_mountpoint = "";
m_errdev = "";
detectUsb();
// Try detection via rockbox.info / rbutil.log
QStringList mounts = mountpoints();
for(int i=0; i< mounts.size();i++)
{
// do the file checking
QDir dir(mounts.at(i));
qDebug() << "[Autodetect] paths to check:" << mounts;
if(dir.exists())
{
// check logfile first.
if(QFile(mounts.at(i) + "/.rockbox/rbutil.log").exists()) {
QSettings log(mounts.at(i) + "/.rockbox/rbutil.log",
QSettings::IniFormat, this);
if(!log.value("platform").toString().isEmpty()) {
if(m_device.isEmpty())
m_device = log.value("platform").toString();
m_mountpoint = mounts.at(i);
qDebug() << "[Autodetect] rbutil.log detected:" << m_device << m_mountpoint;
return true;
}
}
// check rockbox-info.txt afterwards.
RockboxInfo info(mounts.at(i));
if(info.success())
{
if(m_device.isEmpty())
{
m_device = info.target();
// special case for video64mb. This is a workaround, and
// should get replaced when autodetection is reworked.
if(m_device == "ipodvideo" || info.ram() == 64)
{
m_device = "ipodvideo64mb";
}
}
m_mountpoint = mounts.at(i);
qDebug() << "[Autodetect] rockbox-info.txt detected:"
<< m_device << m_mountpoint;
return true;
}
// check for some specific files in root folder
QDir root(mounts.at(i));
QStringList rootentries = root.entryList(QDir::Files);
if(rootentries.contains("archos.mod", Qt::CaseInsensitive))
{
// archos.mod in root folder -> Archos Player
m_device = "player";
m_mountpoint = mounts.at(i);
return true;
}
if(rootentries.contains("ONDIOST.BIN", Qt::CaseInsensitive))
{
// ONDIOST.BIN in root -> Ondio FM
m_device = "ondiofm";
m_mountpoint = mounts.at(i);
return true;
}
if(rootentries.contains("ONDIOSP.BIN", Qt::CaseInsensitive))
{
// ONDIOSP.BIN in root -> Ondio SP
m_device = "ondiosp";
m_mountpoint = mounts.at(i);
return true;
}
if(rootentries.contains("ajbrec.ajz", Qt::CaseInsensitive))
{
qDebug() << "[Autodetect] ajbrec.ajz found. Trying detectAjbrec()";
if(detectAjbrec(mounts.at(i))) {
m_mountpoint = mounts.at(i);
qDebug() << "[Autodetect]" << m_device;
return true;
}
}
// detection based on player specific folders
QStringList rootfolders = root.entryList(QDir::Dirs
| QDir::NoDotAndDotDot | QDir::Hidden | QDir::System);
if(rootfolders.contains("GBSYSTEM", Qt::CaseInsensitive))
{
// GBSYSTEM folder -> Gigabeat
m_device = "gigabeatf";
m_mountpoint = mounts.at(i);
return true;
}
#if defined(Q_OS_WIN32)
// on windows, try to detect the drive letter of an Ipod
if(rootfolders.contains("iPod_Control", Qt::CaseInsensitive))
{
// iPod_Control folder -> Ipod found
// detecting of the Ipod type is done below using ipodpatcher
m_mountpoint = mounts.at(i);
}
#endif
}
}
int n;
// try ipodpatcher
// initialize sector buffer. Needed.
ipod_sectorbuf = NULL;
ipod_alloc_buffer(&ipod_sectorbuf, BUFFER_SIZE);
struct ipod_t ipod;
n = ipod_scan(&ipod);
if(n == 1) {
qDebug() << "[Autodetect] Ipod found:" << ipod.modelstr << "at" << ipod.diskname;
m_device = ipod.targetname;
m_mountpoint = resolveMountPoint(ipod.diskname);
return true;
}
else {
qDebug() << "[Autodetect] ipodpatcher: no Ipod found." << n;
}
free(ipod_sectorbuf);
ipod_sectorbuf = NULL;
// try sansapatcher
// initialize sector buffer. Needed.
sansa_sectorbuf = NULL;
sansa_alloc_buffer(&sansa_sectorbuf, BUFFER_SIZE);
struct sansa_t sansa;
n = sansa_scan(&sansa);
if(n == 1) {
qDebug() << "[Autodetect] Sansa found:" << sansa.targetname << "at" << sansa.diskname;
m_device = QString("sansa%1").arg(sansa.targetname);
m_mountpoint = resolveMountPoint(sansa.diskname);
return true;
}
else {
qDebug() << "[Autodetect] sansapatcher: no Sansa found." << n;
}
free(sansa_sectorbuf);
sansa_sectorbuf = NULL;
if(m_mountpoint.isEmpty() && m_device.isEmpty()
&& m_errdev.isEmpty() && m_incompat.isEmpty())
return false;
return true;
}
QStringList Autodetection::mountpoints()
{
QStringList tempList;
#if defined(Q_OS_WIN32)
QFileInfoList list = QDir::drives();
for(int i=0; i<list.size();i++)
{
tempList << list.at(i).absolutePath();
}
#elif defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
int num;
struct statfs *mntinf;
num = getmntinfo(&mntinf, MNT_WAIT);
while(num--) {
tempList << QString(mntinf->f_mntonname);
mntinf++;
}
#elif defined(Q_OS_LINUX)
FILE *mn = setmntent("/etc/mtab", "r");
if(!mn)
return QStringList("");
struct mntent *ent;
while((ent = getmntent(mn)))
tempList << QString(ent->mnt_dir);
endmntent(mn);
#else
#error Unknown Plattform
#endif
return tempList;
}
/** resolve device name to mount point / drive letter
* @param device device name / disk number
* @return mount point / drive letter
*/
QString Autodetection::resolveMountPoint(QString device)
{
qDebug() << "[Autodetect] resolving mountpoint:" << device;
#if defined(Q_OS_LINUX)
FILE *mn = setmntent("/etc/mtab", "r");
if(!mn)
return QString("");
struct mntent *ent;
while((ent = getmntent(mn))) {
if(QString(ent->mnt_fsname).startsWith(device)
&& QString(ent->mnt_type).contains("vfat", Qt::CaseInsensitive)) {
endmntent(mn);
qDebug() << "[Autodetect] resolved mountpoint is:" << ent->mnt_dir;
return QString(ent->mnt_dir);
}
}
endmntent(mn);
#endif
#if defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
int num;
struct statfs *mntinf;
num = getmntinfo(&mntinf, MNT_WAIT);
while(num--) {
if(QString(mntinf->f_mntfromname).startsWith(device)
&& QString(mntinf->f_fstypename).contains("msdos", Qt::CaseInsensitive)) {
qDebug() << "[Autodetect] resolved mountpoint is:" << mntinf->f_mntonname;
return QString(mntinf->f_mntonname);
}
mntinf++;
}
#endif
#if defined(Q_OS_WIN32)
QString result;
unsigned int driveno = device.replace(QRegExp("^.*([0-9]+)"), "\\1").toInt();
int letter;
for(letter = 'A'; letter <= 'Z'; letter++) {
if(resolveDevicename(QString(letter)).toUInt() == driveno) {
result = letter;
break;
}
}
qDebug() << "[Autodetect] resolved mountpoint is:" << result;
if(!result.isEmpty())
return result + ":/";
#endif
return QString("");
}
/** Resolve mountpoint to devicename / disk number
* @param path mountpoint path / drive letter
* @return devicename / disk number
*/
QString Autodetection::resolveDevicename(QString path)
{
qDebug() << "[Autodetect] resolving device name" << path;
#if defined(Q_OS_LINUX)
FILE *mn = setmntent("/etc/mtab", "r");
if(!mn)
return QString("");
struct mntent *ent;
while((ent = getmntent(mn))) {
if(QString(ent->mnt_dir).startsWith(path)
&& QString(ent->mnt_type).contains("vfat", Qt::CaseInsensitive)) {
endmntent(mn);
qDebug() << "[Autodetect] device name is" << ent->mnt_fsname;
return QString(ent->mnt_fsname);
}
}
endmntent(mn);
#endif
#if defined(Q_OS_MACX) || defined(Q_OS_OPENBSD)
int num;
struct statfs *mntinf;
num = getmntinfo(&mntinf, MNT_WAIT);
while(num--) {
if(QString(mntinf->f_mntonname).startsWith(path)
&& QString(mntinf->f_fstypename).contains("msdos", Qt::CaseInsensitive)) {
qDebug() << "[Autodetect] device name is" << mntinf->f_mntfromname;
return QString(mntinf->f_mntfromname);
}
mntinf++;
}
#endif
#if defined(Q_OS_WIN32)
DWORD written;
HANDLE h;
TCHAR uncpath[MAX_PATH];
UCHAR buffer[0x400];
PVOLUME_DISK_EXTENTS extents = (PVOLUME_DISK_EXTENTS)buffer;
_stprintf(uncpath, _TEXT("\\\\.\\%c:"), path.toAscii().at(0));
h = CreateFile(uncpath, GENERIC_READ, FILE_SHARE_READ | FILE_SHARE_WRITE,
NULL, OPEN_EXISTING, 0, NULL);
if(h == INVALID_HANDLE_VALUE) {
//qDebug() << "error getting extents for" << uncpath;
return "";
}
// get the extents
if(DeviceIoControl(h, IOCTL_VOLUME_GET_VOLUME_DISK_EXTENTS,
NULL, 0, extents, sizeof(buffer), &written, NULL)) {
if(extents->NumberOfDiskExtents > 1) {
qDebug() << "[Autodetect] resolving device name: volume spans multiple disks!";
return "";
}
qDebug() << "[Autodetect] device name is" << extents->Extents[0].DiskNumber;
return QString("%1").arg(extents->Extents[0].DiskNumber);
}
#endif
return QString("");
}
/** @brief detect devices based on usb pid / vid.
* @return true upon success, false otherwise.
*/
bool Autodetection::detectUsb()
{
// usbids holds the mapping in the form
// ((VID<<16)|(PID)), targetname
// the ini file needs to hold the IDs as hex values.
QMap<int, QString> usbids = RbSettings::usbIdMap(RbSettings::MapDevice);
QMap<int, QString> usberror = RbSettings::usbIdMap(RbSettings::MapError);
QMap<int, QString> usbincompat = RbSettings::usbIdMap(RbSettings::MapIncompatible);
// usb pid detection
QList<uint32_t> attached;
attached = System::listUsbIds();
int i = attached.size();
while(i--) {
if(usbids.contains(attached.at(i))) {
m_device = usbids.value(attached.at(i));
qDebug() << "[USB] detected supported player" << m_device;
return true;
}
if(usberror.contains(attached.at(i))) {
m_errdev = usberror.value(attached.at(i));
qDebug() << "[USB] detected problem with player" << m_errdev;
return true;
}
QString idstring = QString("%1").arg(attached.at(i), 8, 16, QChar('0'));
if(!RbSettings::platformValue(idstring, RbSettings::CurName).toString().isEmpty()) {
m_incompat = idstring;
qDebug() << "[USB] detected incompatible player" << m_incompat;
return true;
}
}
return false;
}
bool Autodetection::detectAjbrec(QString root)
{
QFile f(root + "/ajbrec.ajz");
char header[24];
f.open(QIODevice::ReadOnly);
if(!f.read(header, 24)) return false;
// check the header of the file.
// recorder v1 had a 6 bytes sized header
// recorder v2, FM, Ondio SP and FM have a 24 bytes header.
// recorder v1 has the binary length in the first 4 bytes, so check
// for them first.
int len = (header[0]<<24) | (header[1]<<16) | (header[2]<<8) | header[3];
qDebug() << "[Autodetect] ABJREC possible bin length:" << len
<< "file len:" << f.size();
if((f.size() - 6) == len)
m_device = "recorder";
// size didn't match, now we need to assume we have a headerlength of 24.
switch(header[11]) {
case 2:
m_device = "recorderv2";
break;
case 4:
m_device = "fmrecorder";
break;
case 8:
m_device = "ondiofm";
break;
case 16:
m_device = "ondiosp";
break;
default:
break;
}
f.close();
if(m_device.isEmpty()) return false;
return true;
}
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