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tdecore: Initial support for hybrid suspend (aka suspend to RAM + suspend to disk).

Browse Source 
Update to dbus interface and hardware device manager will be commit separately.
This relates to bug 2601.

Signed-off-by: Michele Calgaro <michele.calgaro@yahoo.it>
pull/1/head
Michele Calgaro 9 years ago
parent dfd961b2b9
commit 3b095cf3cd
3 changed files with 180 additions and 18 deletions
Show Stats Download Patch File Download Diff File

6
tdecore/tdehw/tdehardwaredevices.cpp
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@ -3363,6 +3363,9 @@ void TDEHardwareDevices::updateExistingDeviceInformation(TDEGenericDevice* exist
if (line.contains("reboot")) {
hibernationmethods.append(TDESystemHibernationMethod::Reboot);
}
if (line.contains("suspend")) {
hibernationmethods.append(TDESystemHibernationMethod::Suspend);
}
if (line.contains("testproc")) {
hibernationmethods.append(TDESystemHibernationMethod::TestProc);
}
@ -3384,6 +3387,9 @@ void TDEHardwareDevices::updateExistingDeviceInformation(TDEGenericDevice* exist
if (line.contains("reboot")) {
hibernationmethod = TDESystemHibernationMethod::Reboot;
}
if (line.contains("suspend")) {
hibernationmethod = TDESystemHibernationMethod::Suspend;
}
if (line.contains("testproc")) {
hibernationmethod = TDESystemHibernationMethod::TestProc;
}

181
tdecore/tdehw/tderootsystemdevice.cpp
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@ -296,9 +296,12 @@ bool TDERootSystemDevice::canSuspend() {
bool TDERootSystemDevice::canHibernate() {
TQString statenode = "/sys/power/state";
int rval = access (statenode.ascii(), W_OK);
if (rval == 0) {
if (powerStates().contains(TDESystemPowerState::Hibernate)) {
TQString disknode = "/sys/power/disk";
int state_rval = access (statenode.ascii(), W_OK);
int disk_rval = access (disknode.ascii(), W_OK);
if (state_rval == 0 && disk_rval == 0) {
if (powerStates().contains(TDESystemPowerState::Hibernate) &&
hibernationMethods().contains(TDESystemHibernationMethod::Platform)) {
return TRUE;
}
else {
@ -407,6 +410,83 @@ bool TDERootSystemDevice::canHibernate() {
return FALSE;
}
bool TDERootSystemDevice::canHybridSuspend() {
TQString statenode = "/sys/power/state";
TQString disknode = "/sys/power/disk";
int state_rval = access (statenode.ascii(), W_OK);
int disk_rval = access (disknode.ascii(), W_OK);
if (state_rval == 0 && disk_rval == 0) {
if (powerStates().contains(TDESystemPowerState::Hibernate) &&
hibernationMethods().contains(TDESystemHibernationMethod::Suspend)) {
return TRUE;
}
else {
return FALSE;
}
}
#ifdef WITH_LOGINDPOWER
{
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
// can hybrid suspend?
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"CanHybridSleep");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
return (reply[0].toString() == "yes");
}
}
}
#endif // WITH_LOGINDPOWER
// No support "hybrid suspend" in org.freedesktop.UPower
// No support "hybrid suspend" in org.freedesktop.DeviceKit.Power
#ifdef WITH_HAL
{
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
TQT_DBusProxy halProperties("org.freedesktop.Hal", "/org/freedesktop/Hal/devices/computer", "org.freedesktop.Hal.Device", dbusConn);
if (halProperties.canSend()) {
// can hybrid suspend?
TQValueList<TQT_DBusData> params;
TQT_DBusMessage reply;
params.clear();
params << TQT_DBusData::fromString("power_management.can_suspend_hybrid");
reply = halProperties.sendWithReply("GetPropertyBoolean", params);
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
return reply[0].toBool();
}
}
}
}
#endif // WITH_HAL
#ifdef WITH_TDEHWLIB_DAEMONS
{
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
// can hybrid suspend?
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.trinitydesktop.hardwarecontrol",
"/org/trinitydesktop/hardwarecontrol",
"org.trinitydesktop.hardwarecontrol.Power",
"CanHybridSuspend");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
return reply[0].toBool();
}
}
}
#endif // WITH_TDEHWLIB_DAEMONS
return FALSE;
}
bool TDERootSystemDevice::canPowerOff() {
TDEConfig config("ksmserverrc", true);
config.setGroup("General" );
@ -574,31 +654,47 @@ void TDERootSystemDevice::setHibernationMethod(TDESystemHibernationMethod::TDESy
}
bool TDERootSystemDevice::setPowerState(TDESystemPowerState::TDESystemPowerState ps) {
if ((ps == TDESystemPowerState::Standby) || (ps == TDESystemPowerState::Freeze) || (ps == TDESystemPowerState::Suspend) || (ps == TDESystemPowerState::Hibernate)) {
if ((ps == TDESystemPowerState::Freeze) || (ps == TDESystemPowerState::Standby) ||
(ps == TDESystemPowerState::Suspend) || (ps == TDESystemPowerState::Hibernate) ||
(ps == TDESystemPowerState::HybridSuspend)) {
TQString statenode = "/sys/power/state";
TQFile file( statenode );
if ( file.open( IO_WriteOnly ) ) {
TQString disknode = "/sys/power/disk";
TQFile statefile( statenode );
TQFile diskfile( disknode );
if ( statefile.open( IO_WriteOnly ) &&
((ps != TDESystemPowerState::Hibernate && ps != TDESystemPowerState::HybridSuspend) ||
diskfile.open( IO_WriteOnly )) ) {
TQString powerCommand;
if (ps == TDESystemPowerState::Standby) {
powerCommand = "standby";
}
if (ps == TDESystemPowerState::Freeze) {
powerCommand = "freeze";
}
if (ps == TDESystemPowerState::Suspend) {
else if (ps == TDESystemPowerState::Standby) {
powerCommand = "standby";
}
else if (ps == TDESystemPowerState::Suspend) {
powerCommand = "mem";
}
if (ps == TDESystemPowerState::Hibernate) {
else if (ps == TDESystemPowerState::Hibernate) {
powerCommand = "disk";
TQTextStream diskstream( &diskfile );
diskstream << "platform";
diskfile.close();
}
TQTextStream stream( &file );
stream << powerCommand;
file.close();
else if (ps == TDESystemPowerState::HybridSuspend) {
powerCommand = "disk";
TQTextStream diskstream( &diskfile );
diskstream << "suspend";
diskfile.close();
}
TQTextStream statestream( &statefile );
statestream << powerCommand;
statefile.close();
return true;
}
#ifdef WITH_LOGINDPOWER
{
// No support for "freeze" in org.freedesktop.login1
TQT_DBusConnection dbusConn;
dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if ( dbusConn.isConnected() ) {
@ -624,12 +720,24 @@ bool TDERootSystemDevice::setPowerState(TDESystemPowerState::TDESystemPowerState
return true;
}
}
else if (ps == TDESystemPowerState::HybridSuspend) {
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.freedesktop.login1",
"/org/freedesktop/login1",
"org.freedesktop.login1.Manager",
"HybridSleep");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage) {
return true;
}
}
}
}
#endif // WITH_LOGINDPOWER
#ifdef WITH_UPOWER
{
// No support for "freeze" and "hybrid suspend" in org.freedesktop.UPower
TQT_DBusConnection dbusConn;
dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if ( dbusConn.isConnected() ) {
@ -661,6 +769,7 @@ bool TDERootSystemDevice::setPowerState(TDESystemPowerState::TDESystemPowerState
#ifdef WITH_DEVKITPOWER
{
// No support for "freeze" and "hybrid suspend" in org.freedesktop.DeviceKit.Power
TQT_DBusConnection dbusConn;
dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if ( dbusConn.isConnected() ) {
@ -692,6 +801,7 @@ bool TDERootSystemDevice::setPowerState(TDESystemPowerState::TDESystemPowerState
#ifdef WITH_HAL
{
// No support for "freeze" in org.freedesktop.Hal
TQT_DBusConnection dbusConn;
dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if ( dbusConn.isConnected() ) {
@ -719,6 +829,17 @@ bool TDERootSystemDevice::setPowerState(TDESystemPowerState::TDESystemPowerState
return true;
}
}
else if (ps == TDESystemPowerState::HybridSuspend) {
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.freedesktop.Hal",
"/org/freedesktop/Hal/devices/computer",
"org.freedesktop.Hal.Device.SystemPowerManagement",
"SuspendHybrid");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage) {
return true;
}
}
}
}
#endif // WITH_HAL
@ -772,6 +893,17 @@ bool TDERootSystemDevice::setPowerState(TDESystemPowerState::TDESystemPowerState
return true;
}
}
else if (ps == TDESystemPowerState::HybridSuspend) {
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.trinitydesktop.hardwarecontrol",
"/org/trinitydesktop/hardwarecontrol",
"org.trinitydesktop.hardwarecontrol.Power",
"HybridSuspend");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage) {
return true;
}
}
}
}
#endif // WITH_TDEHWLIB_DAEMONS
@ -819,7 +951,24 @@ bool TDERootSystemDevice::setPowerState(TDESystemPowerState::TDESystemPowerState
}
#endif // WITH_CONSOLEKIT
// Power down the system using a DCOP command
// Values are explained at http://lists.kde.org/?l=kde-linux&m=115770988603387
/* As found at http://lists.kde.org/?l=kde-linux&m=115770988603387
Logout parameters explanation:
First parameter: confirm
Obey the user's confirmation setting: -1
Don't confirm, shutdown without asking: 0
Always confirm, ask even if the user turned it off: 1
Second parameter: type
Select previous action or the default if it's the first time: -1
Only log out: 0
Log out and reboot the machine: 1
Log out and halt the machine: 2
Third parameter: mode
Select previous mode or the default if it's the first time: -1
Schedule a shutdown (halt or reboot) for the time all active sessions have exited: 0
Shut down, if no sessions are active. Otherwise do nothing: 1
Force shutdown. Kill any possibly active sessions: 2
Pop up a dialog asking the user what to do if sessions are still active: 3
*/
TQByteArray data;
TQDataStream arg(data, IO_WriteOnly);
arg << (int)0 << (int)2 << (int)2;
@ -869,7 +1018,7 @@ bool TDERootSystemDevice::setPowerState(TDESystemPowerState::TDESystemPowerState
}
#endif // WITH_CONSOLEKIT
// Power down the system using a DCOP command
// Values are explained at http://lists.kde.org/?l=kde-linux&m=115770988603387
// See above PowerOff section for logout() parameters explanation
TQByteArray data;
TQDataStream arg(data, IO_WriteOnly);
arg << (int)0 << (int)1 << (int)2;

11
tdecore/tdehw/tderootsystemdevice.h
Unescape View File

@ -41,7 +41,8 @@ enum TDESystemPowerState {
Suspend,
Hibernate,
PowerOff,
Reboot
Reboot,
HybridSuspend
};
};
@ -52,7 +53,8 @@ enum TDESystemHibernationMethod {
Shutdown,
Reboot,
TestProc,
Test
Test,
Suspend
};
};
@ -123,6 +125,11 @@ class TDECORE_EXPORT TDERootSystemDevice : public TDEGenericDevice
*/
bool canHibernate();
/**
* @return TRUE if hardware and permissions allow the system to be hybrid suspended, FALSE if not
*/
bool canHybridSuspend();
/**
* @return TRUE if permissions allow the system to be powered down, FALSE if not
*/

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