//=========================================== // Lumina-DE source code // Copyright (c) 2014, Ken Moore // Available under the 3-clause BSD license // See the LICENSE file for full details //=========================================== #ifdef __linux__ #include <QDebug> #include "LuminaOS.h" #include <unistd.h> #include <stdio.h> // Needed for BUFSIZ //can't read xbrightness settings - assume invalid until set static int screenbrightness = -1; QString LOS::OSName(){ return "Debian GNU/Linux"; } //OS-specific prefix(s) // NOTE: PREFIX, L_ETCDIR, L_SHAREDIR are defined in the OS-detect.pri project file and passed in QString LOS::LuminaShare(){ return (L_SHAREDIR+"/Lumina-DE/"); } //Install dir for Lumina share files QString LOS::AppPrefix(){ return "/usr/"; } //Prefix for applications QString LOS::SysPrefix(){ return "/"; } //Prefix for system //OS-specific application shortcuts (*.desktop files) QString LOS::ControlPanelShortcut(){ return ""; } //system control panel QString LOS::AppStoreShortcut(){ return LOS::AppPrefix() + "/share/applications/synaptic.desktop"; } //graphical app/pkg manager // ==== ExternalDevicePaths() ==== QStringList LOS::ExternalDevicePaths(){ /* Returns: QStringList[<type>::::<filesystem>::::<path>] Note: <type> = [USB, HDRIVE, DVD, SDCARD, UNKNOWN] df is much better for this than mount, because it skips all non-physical devices (like bind-mounts from schroot) so they are not listed in lumina-fm */ QStringList devs = LUtils::getCmdOutput("df --output=source,fstype,target"); //Now check the output for(int i=0; i<devs.length(); i++){ if(devs[i].startsWith("/dev/")){ devs[i] = devs[i].simplified(); QString type = devs[i].section(" on ",0,0); type.remove("/dev/"); //Determine the type of hardware device based on the dev node if(type.startsWith("sd") || type.startsWith("nvme")){ type = "HDRIVE"; } else if(type.startsWith("sr")){ type="DVD"; } else if(type.contains("mapper")){ type="LVM"; } else{ type = "UNKNOWN"; } //Now put the device in the proper output format devs[i] = type + "::::" + devs[i].section(" ",1,1) + "::::" + devs[i].section(" ",2,2); }else{ //invalid device - remove it from the list devs.removeAt(i); i--; } } return devs; } //Read screen brightness information int LOS::ScreenBrightness(){ //Returns: Screen Brightness as a percentage (0-100, with -1 for errors) if(screenbrightness==-1){ if(QFile::exists(QDir::homePath()+"/.lumina/.currentxbrightness")){ int val = LUtils::readFile(QDir::homePath()+"/.lumina/.currentxbrightness").join("").simplified().toInt(); screenbrightness = val; } } return screenbrightness; } //Set screen brightness void LOS::setScreenBrightness(int percent){ //ensure bounds if(percent<0){percent=0;} else if(percent>100){ percent=100; } // float pf = percent/100.0; //convert to a decimel //Run the command QString cmd = "xbacklight -set %1"; // cmd = cmd.arg( QString::number( int(65535*pf) ) ); cmd = cmd.arg( QString::number( percent ) ); int ret = LUtils::runCmd(cmd); //Save the result for later if(ret!=0){ screenbrightness = -1; } else{ screenbrightness = percent; } LUtils::writeFile(QDir::homePath()+"/.lumina/.currentxbrightness", QStringList() << QString::number(screenbrightness), true); } //Read the current volume int LOS::audioVolume(){ //Returns: audio volume as a percentage (0-100, with -1 for errors) QString info = LUtils::getCmdOutput("amixer get Master").join("").simplified();; int out = -1; int start_position, end_position; QString current_volume; if(!info.isEmpty()){ start_position = info.indexOf("["); start_position++; end_position = info.indexOf("%"); current_volume = info.mid(start_position, end_position - start_position); out = current_volume.toInt(); } return out; } //Set the current volume void LOS::setAudioVolume(int percent){ if(percent<0){percent=0;} else if(percent>100){percent=100;} // QString info = "amixer -c 0 sset Master,0 " + QString::number(percent) + "%"; QString info = "amixer set Master " + QString::number(percent) + "%"; if(!info.isEmpty()){ //Run Command LUtils::runCmd(info); } } //Change the current volume a set amount (+ or -) void LOS::changeAudioVolume(int percentdiff){ int old_volume = audioVolume(); int new_volume = old_volume + percentdiff; if (new_volume < 0) new_volume = 0; if (new_volume > 100) new_volume = 100; qDebug() << "Setting new volume to: " << new_volume; setAudioVolume(new_volume); } //Check if a graphical audio mixer is installed bool LOS::hasMixerUtility(){ return QFile::exists(LOS::AppPrefix() + "bin/pavucontrol"); } //Launch the graphical audio mixer utility void LOS::startMixerUtility(){ QProcess::startDetached(LOS::AppPrefix() + "bin/pavucontrol"); } //Check for user system permission (shutdown/restart) bool LOS::userHasShutdownAccess(){ return QProcess::startDetached("dbus-send --system --print-reply=literal \ --type=method_call --dest=org.freedesktop.login1 \ /org/freedesktop/login1 org.freedesktop.login1.Manager.CanPowerOff"); } //Check for whether the system is safe to power off (no updates being perfomed) bool LOS::systemPerformingUpdates(){ return false; //Not implemented yet } //System Shutdown void LOS::systemShutdown(){ //start poweroff sequence QProcess::startDetached("dbus-send --system --print-reply \ --dest=org.freedesktop.login1 /org/freedesktop/login1 \ org.freedesktop.login1.Manager.PowerOff boolean:true"); } //System Restart void LOS::systemRestart(){ //start reboot sequence QProcess::startDetached("dbus-send --system --print-reply \ --dest=org.freedesktop.login1 /org/freedesktop/login1 \ org.freedesktop.login1.Manager.Reboot boolean:true"); } //Check for suspend support bool LOS::systemCanSuspend(){ return QProcess::startDetached("dbus-send --system --print-reply=literal \ --type=method_call --dest=org.freedesktop.login1 \ /org/freedesktop/login1 org.freedesktop.login1.Manager.CanSuspend"); } //Put the system into the suspend state void LOS::systemSuspend(){ QProcess::startDetached("dbus-send --system --print-reply \ --dest=org.freedesktop.login1 /org/freedesktop/login1 \ org.freedesktop.login1.Manager.Suspend boolean:true"); } //Battery Availability bool LOS::hasBattery(){ QString my_status = LUtils::getCmdOutput("acpi -b").join(""); bool no_battery = my_status.contains("No support"); if (no_battery) return false; return true; } //Battery Charge Level int LOS::batteryCharge(){ //Returns: percent charge (0-100), anything outside that range is counted as an error QString my_status = LUtils::getCmdOutput("acpi -b").join(""); int my_start = my_status.indexOf("%"); // get the number right before the % sign int my_end = my_start; my_start--; while ( (my_status[my_start] != ' ') && (my_start > 0) ) my_start--; my_start++; int my_charge = my_status.mid(my_start, my_end - my_start).toInt(); if ( (my_charge < 0) || (my_charge > 100) ) return -1; return my_charge; } //Battery Charging State // Many possible values are returned if the laptop is plugged in // these include "Unknown, Full and No support. // However, it seems just one status is returned when running // on battery and that is "Discharging". So if the value we get // is NOT Discharging then we assume the battery is charging. bool LOS::batteryIsCharging(){ QString my_status = LUtils::getCmdOutput("acpi -b").join(""); bool discharging = my_status.contains("Discharging"); if (discharging) return false; return true; } //Battery Time Remaining int LOS::batterySecondsLeft(){ //Returns: estimated number of seconds remaining return 0; //not implemented yet for Linux } //File Checksums QStringList LOS::Checksums(QStringList filepaths){ //Return: checksum of the input file QStringList info = LUtils::getCmdOutput("md5sum \""+filepaths.join("\" \"")+"\""); for(int i=0; i<info.length(); i++){ // first: md5sum: = error ; second: there's always one empty entry generated by getCmdOutput if( info[i].startsWith("md5sum:") || info[i].isEmpty()){ info.removeAt(i); i--; } else{ //Strip out the extra information info[i] = info[i].section(" ",0,0); } } return info; } //file system capacity QString LOS::FileSystemCapacity(QString dir) { //Return: percentage capacity as give by the df command QStringList mountInfo = LUtils::getCmdOutput("df -h \"" + dir + "\""); QString::SectionFlag skipEmpty = QString::SectionSkipEmpty; //output: 200G of 400G available on /mount/point QString capacity = mountInfo[1].section(" ",3,3, skipEmpty) + " of " + mountInfo[1].section(" ",1,1, skipEmpty) + " available on " + mountInfo[1].section(" ",5,5, skipEmpty); return capacity; } QStringList LOS::CPUTemperatures(){ //Returns: List containing the temperature of any CPU's ("50C" for example) QStringList temp = LUtils::getCmdOutput("acpi -t").filter("degrees"); for(int i=0; i<temp.length(); i++){ if(temp[i].startsWith("Thermal")){ temp[i] = temp[i].section(" ", 4, 6); }else{ temp.removeAt(i); i--; } } if(temp.isEmpty()) { temp << "Not available"; } return temp; } int LOS::CPUUsagePercent(){ //Returns: Overall percentage of the amount of CPU cycles in use (-1 for errors) QStringList info = LUtils::getCmdOutput("top -bn1").filter("Cpu(s)"); if(info.isEmpty()){ return -1; } QString idle = info.first().section(" ", 7, 7, QString::SectionSkipEmpty); if(idle.isEmpty()){ return -1; } else{ return (100 - idle.toDouble()); } } int LOS::MemoryUsagePercent(){ QStringList mem = LUtils::getCmdOutput("top -bn1").filter("Mem :"); if(mem.isEmpty()){ return -1; } double fB = 0; //Free Bytes double uB = 0; //Used Bytes fB = mem.first().section(" ", 5, 5, QString::SectionSkipEmpty).toDouble(); uB = mem.first().section(" ", 7, 7, QString::SectionSkipEmpty).toDouble(); double per = (uB/(fB+uB)) * 100.0; return qRound(per); } QStringList LOS::DiskUsage(){ //Returns: List of current read/write stats for each device QStringList info = LUtils::getCmdOutput("iostat -dx -N"); if(info.length()<3){ return QStringList(); } //nothing from command QStringList labs = info[1].split(" ",QString::SkipEmptyParts); QStringList out; QString fmt = "%1: %2 %3"; for(int i=2; i<info.length(); i++){ //skip the first two lines, just labels info[i].replace("\t"," "); if(info[i].startsWith("Device:")){ labs = info[i].split(" ", QString::SkipEmptyParts); }//the labels for each column else{ QStringList data = info[i].split(" ",QString::SkipEmptyParts); //data[0] is always the device if(data.length()>2 && labs.length()>2){ out << fmt.arg(data[0], data[3]+" "+labs[3], data[4]+" "+labs[4]); } } } return out; } #endif