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ssudeviceinfo.cpp
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ssudeviceinfo.cpp
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/**
* @file ssudeviceinfo.cpp
* @copyright 2013 2013 Jolla Ltd.
* @author Bernd Wachter <bwachter@lart.info>
* @date 2013
*/
#include <QTextStream>
#include <QDir>
#include <sys/utsname.h>
extern "C" {
#include <boardname.h>
}
#include "ssudeviceinfo.h"
#include "ssucoreconfig.h"
#include "ssulog.h"
#include "ssuvariables.h"
#include "../constants.h"
#include <QDeviceInfo>
SsuDeviceInfo::SsuDeviceInfo(QString model): QObject(){
boardMappings = new SsuSettings(SSU_BOARD_MAPPING_CONFIGURATION, SSU_BOARD_MAPPING_CONFIGURATION_DIR);
if (!model.isEmpty())
cachedModel = model;
}
QStringList SsuDeviceInfo::adaptationRepos(){
QStringList result;
QString model = deviceVariant(true);
if (boardMappings->contains(model + "/adaptation-repos"))
result = boardMappings->value(model + "/adaptation-repos").toStringList();
return result;
}
QString SsuDeviceInfo::adaptationVariables(const QString &adaptationName, QHash<QString, QString> *storageHash){
SsuLog *ssuLog = SsuLog::instance();
QStringList adaptationRepoList = adaptationRepos();
// special handling for adaptation-repositories
// - check if repo is in right format (adaptation\d*)
// - check if the configuration has that many adaptation repos
// - export the entry in the adaptation list as %(adaptation)
// - look up variables for that adaptation, and export matching
// adaptation variable
QRegExp regex("adaptation\\\d*", Qt::CaseSensitive, QRegExp::RegExp2);
if (regex.exactMatch(adaptationName)){
regex.setPattern("\\\d*");
regex.lastIndexIn(adaptationName);
int n = regex.cap().toInt();
if (!adaptationRepoList.isEmpty()){
if (adaptationRepoList.size() <= n) {
ssuLog->print(LOG_INFO, "Note: repo index out of bounds, substituting 0" + adaptationName);
n = 0;
}
QString adaptationRepo = adaptationRepoList.at(n);
storageHash->insert("adaptation", adaptationRepo);
ssuLog->print(LOG_DEBUG, "Found first adaptation " + adaptationName);
QString model = deviceVariant(true);
QHash<QString, QString> h;
// add global variables for this model
if (boardMappings->contains(model + "/variables")){
QStringList sections = boardMappings->value(model + "/variables").toStringList();
foreach(const QString §ion, sections)
variableSection(section, &h);
}
// override with variables specific to this repository
variableSection(adaptationRepo, &h);
QHash<QString, QString>::const_iterator i = h.constBegin();
while (i != h.constEnd()){
storageHash->insert(i.key(), i.value());
i++;
}
} else
ssuLog->print(LOG_INFO, "Note: adaptation repo for invalid repo requested " + adaptationName);
return "adaptation";
}
return adaptationName;
}
void SsuDeviceInfo::clearCache(){
cachedFamily = "";
cachedModel = "";
cachedVariant = "";
}
bool SsuDeviceInfo::contains(const QString &model){
QString oldModel = deviceModel();
bool found = false;
if (!model.isEmpty()){
clearCache();
setDeviceModel(model);
}
if (!deviceVariant(false).isEmpty())
found = true;
if (boardMappings->childGroups().contains(deviceModel()))
found = true;
if (!model.isEmpty()){
clearCache();
setDeviceModel(oldModel);
}
return found;
}
QString SsuDeviceInfo::deviceFamily(){
if (!cachedFamily.isEmpty())
return cachedFamily;
QString model = deviceVariant(true);
cachedFamily = "UNKNOWN";
if (boardMappings->contains(model + "/family"))
cachedFamily = boardMappings->value(model + "/family").toString();
return cachedFamily;
}
QString SsuDeviceInfo::deviceVariant(bool fallback){
if (!cachedVariant.isEmpty())
return cachedVariant;
cachedVariant = "";
if (boardMappings->contains("variants/" + deviceModel())) {
cachedVariant = boardMappings->value("variants/" + deviceModel()).toString();
}
if (cachedVariant == "" && fallback)
return deviceModel();
return cachedVariant;
}
QString SsuDeviceInfo::deviceModel(){
QDir dir;
QFile procCpuinfo;
QStringList keys;
QStringList sections;
if (!cachedModel.isEmpty())
return cachedModel;
boardMappings->beginGroup("file.exists");
keys = boardMappings->allKeys();
// check if the device can be identified by testing for a file
foreach (const QString &key, keys){
QString value = boardMappings->value(key).toString();
if (dir.exists(value)){
cachedModel = key;
break;
}
}
boardMappings->endGroup();
if (!cachedModel.isEmpty()) return cachedModel;
// check if boardname matches/contains
QString boardName(getboardname());
boardName = boardName.trimmed();
sections.clear();
sections << "boardname.equals" << "boardname.contains";
foreach (const QString §ion, sections){
boardMappings->beginGroup(section);
keys = boardMappings->allKeys();
foreach (const QString &key, keys){
QString value = boardMappings->value(key).toString();
if (section.endsWith(".contains")){
if (boardName.contains(value)){
cachedModel = key;
break;
}
} else if (section.endsWith(".equals")){
if (boardName == value){
cachedModel = key;
break;
}
}
}
boardMappings->endGroup();
if (!cachedModel.isEmpty()) break;
}
if (!cachedModel.isEmpty()) return cachedModel;
// check if the QSystemInfo model is useful
//QSystemDeviceInfo devInfo;
// TODO Current Mer SystemDeviceInfo only returns cpuinfo stuff,
// which is what we can do with cpuinfo matching in a more
// flexible way, so there's not really any need to pull in the
// whole X11 stack just for this. Can be enabled once systeminfo
// is less insane
/*
QSystemDeviceInfoLinuxCommonPrivate devInfo;
QString model = devInfo.model();
boardMappings->beginGroup("systeminfo.equals");
keys = boardMappings->allKeys();
foreach (const QString &key, keys){
QString value = boardMappings->value(key).toString();
if (model == value){
cachedModel = key;
break;
}
}
boardMappings->endGroup();
if (!cachedModel.isEmpty()) return cachedModel;
*/
// check if the device can be identified by a string in /proc/cpuinfo
procCpuinfo.setFileName("/proc/cpuinfo");
procCpuinfo.open(QIODevice::ReadOnly | QIODevice::Text);
if (procCpuinfo.isOpen()){
QTextStream in(&procCpuinfo);
QString cpuinfo = in.readAll();
boardMappings->beginGroup("cpuinfo.contains");
keys = boardMappings->allKeys();
foreach (const QString &key, keys){
QString value = boardMappings->value(key).toString();
if (cpuinfo.contains(value)){
cachedModel = key;
break;
}
}
boardMappings->endGroup();
}
if (!cachedModel.isEmpty()) return cachedModel;
// check if the device can be identified by the kernel version string
struct utsname buf;
if (!uname(&buf)){
QString utsRelease(buf.release);
boardMappings->beginGroup("uname-release.contains");
keys = boardMappings->allKeys();
foreach (const QString &key, keys){
QString value = boardMappings->value(key).toString();
if (utsRelease.contains(value)){
cachedModel = key;
break;
}
}
boardMappings->endGroup();
}
if (!cachedModel.isEmpty()) return cachedModel;
// check if there's a match on arch of generic fallback. This probably
// only makes sense for x86
boardMappings->beginGroup("arch.equals");
keys = boardMappings->allKeys();
SsuCoreConfig *settings = SsuCoreConfig::instance();
foreach (const QString &key, keys){
QString value = boardMappings->value(key).toString();
if (settings->value("arch").toString() == value){
cachedModel = key;
break;
}
}
boardMappings->endGroup();
if (cachedModel.isEmpty()) cachedModel = "UNKNOWN";
return cachedModel;
}
QString SsuDeviceInfo::deviceUid(){
QString IMEI;
QDeviceInfo devInfo;
/// @todo properly check number of imeis, ...
IMEI = devInfo.imei(0);
// this might not be completely unique (or might change on reflash), but works for now
if (IMEI == ""){
IMEI = devInfo.uniqueDeviceID();
}
return IMEI;
}
QStringList SsuDeviceInfo::disabledRepos(){
QStringList result;
QString model = deviceVariant(true);
if (boardMappings->contains(model + "/disabled-repos"))
result = boardMappings->value(model + "/disabled-repos").toStringList();
return result;
}
// this half belongs into repo-manager, as it not only handles board-specific
// repositories. Right now this one looks like the better place due to the
// connection to board specific stuff, though
QStringList SsuDeviceInfo::repos(bool rnd, int filter){
int adaptationCount = adaptationRepos().size();
QStringList result;
if (filter == SsuRepoManager::NoFilter ||
filter == SsuRepoManager::BoardFilter ||
filter == SsuRepoManager::BoardFilterUserBlacklist){
// for repo names we have adaptation0, adaptation1, ..., adaptationN
for (int i=0; i<adaptationCount; i++)
result.append(QString("adaptation%1").arg(i));
// now read the release/rnd repos
SsuSettings repoSettings(SSU_REPO_CONFIGURATION, QSettings::IniFormat);
QString repoKey = (rnd ? "default-repos/rnd" : "default-repos/release");
if (repoSettings.contains(repoKey))
result.append(repoSettings.value(repoKey).toStringList());
// TODO: add specific repos (developer, sdk, ..)
// add device configured repos
if (boardMappings->contains(deviceVariant(true) + "/repos"))
result.append(boardMappings->value(deviceVariant(true) + "/repos").toStringList());
// read the disabled repositories for this device
// user can override repositories disabled here in the user configuration
foreach (const QString &key, disabledRepos())
result.removeAll(key);
}
// read user-defined repositories from ssu.ini
// TODO: in strict mode, filter the repository list from there
SsuCoreConfig *ssuSettings = SsuCoreConfig::instance();
if (filter == SsuRepoManager::NoFilter ||
filter == SsuRepoManager::UserFilter){
ssuSettings->beginGroup("repository-urls");
result.append(ssuSettings->allKeys());
ssuSettings->endGroup();
// read user-enabled repositories from ssu.ini
if (ssuSettings->contains("enabled-repos"))
result.append(ssuSettings->value("enabled-repos").toStringList());
}
if (filter == SsuRepoManager::NoFilter ||
filter == SsuRepoManager::UserFilter ||
filter == SsuRepoManager::BoardFilterUserBlacklist){
// read the disabled repositories from user configuration
if (ssuSettings->contains("disabled-repos")){
foreach (const QString &key, ssuSettings->value("disabled-repos").toStringList())
result.removeAll(key);
}
}
result.removeDuplicates();
return result;
}
QVariant SsuDeviceInfo::variable(QString section, const QString &key){
/// @todo compat-setting as ssudeviceinfo guaranteed to prepend sections with var-;
/// SsuVariables does not have this guarantee. Remove from here as well.
if (!section.startsWith("var-"))
section = "var-" + section;
return SsuVariables::variable(boardMappings, section, key);
}
void SsuDeviceInfo::variableSection(QString section, QHash<QString, QString> *storageHash){
if (!section.startsWith("var-"))
section = "var-" + section;
SsuVariables::variableSection(boardMappings, section, storageHash);
}
void SsuDeviceInfo::setDeviceModel(QString model){
if (model == "")
cachedModel = "";
else
cachedModel = model;
cachedFamily = "";
cachedVariant = "";
}
QVariant SsuDeviceInfo::value(const QString &key, const QVariant &value){
if (boardMappings->contains(deviceVariant()+"/"+key)){
return boardMappings->value(deviceVariant()+"/"+key);
} else if (boardMappings->contains(deviceModel()+"/"+key)){
return boardMappings->value(deviceModel()+"/"+key);
}
return value;
}