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tdelibs
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Add tdehwlib-daemon power management backend to TDE hardware library

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pull/16/head
Slávek Banko 11 years ago
parent a5ba7ad712
commit 2280c7079b
3 changed files with 156 additions and 4 deletions
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4
tdecore/tdehw/hwlibdaemons/dbus/org.trinitydesktop.hardwarecontrol.conf
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@ -20,6 +20,8 @@
send_interface="org.freedesktop.DBus.Properties"/>
<allow send_destination="org.trinitydesktop.hardwarecontrol.Brightness"
send_interface="org.freedesktop.DBus.Properties"/>
<allow send_destination="org.trinitydesktop.hardwarecontrol.Power"
send_interface="org.freedesktop.DBus.Properties"/>
<allow send_destination="org.trinitydesktop.hardwarecontrol"
send_interface="org.trinitydesktop.hardwarecontrol"/>
@ -27,6 +29,8 @@
send_interface="org.trinitydesktop.hardwarecontrol.CPUGovernor"/>
<allow send_destination="org.trinitydesktop.hardwarecontrol"
send_interface="org.trinitydesktop.hardwarecontrol.Brightness"/>
<allow send_destination="org.trinitydesktop.hardwarecontrol"
send_interface="org.trinitydesktop.hardwarecontrol.Power"/>
</policy>
<policy context="default">

55
tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c
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@ -249,6 +249,43 @@ void reply_SetBrightness(DBusMessage* msg, DBusConnection* conn) {
free(safepath);
}
void reply_CanSetPower(DBusMessage* msg, DBusConnection* conn, char* state) {
// check if path is writable
int writable = false;
int rval = access ("/sys/power/state", W_OK);
if (rval == 0) {
writable = true;
}
// check if method is supported
int method = false;
if (writable) {
FILE *node = fopen("/sys/power/state", "r");
if (node != NULL) {
char *line = NULL;
size_t len = 0;
ssize_t read = getline(&line, &len, node);
if (line) {
method = strstr(line, state) != NULL;
free(line);
}
if (fclose(node) == EOF) {
// Error!
}
}
}
// send reply
reply_Bool(msg, conn, writable && method);
}
void reply_SetPower(DBusMessage* msg, DBusConnection* conn, char* state) {
// set power state
reply_SetGivenPath(msg, conn, "/sys/power/state", state);
}
void listen() {
DBusMessage* msg;
DBusMessage* reply;
@ -309,6 +346,24 @@ void listen() {
else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.Brightness", "SetBrightness")) {
reply_SetBrightness(msg, conn);
}
else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.Power", "CanStandby")) {
reply_CanSetPower(msg, conn, "standby");
}
else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.Power", "Standby")) {
reply_SetPower(msg, conn, "standby");
}
else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.Power", "CanSuspend")) {
reply_CanSetPower(msg, conn, "mem");
}
else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.Power", "Suspend")) {
reply_SetPower(msg, conn, "mem");
}
else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.Power", "CanHibernate")) {
reply_CanSetPower(msg, conn, "disk");
}
else if (dbus_message_is_method_call(msg, "org.trinitydesktop.hardwarecontrol.Power", "Hibernate")) {
reply_SetPower(msg, conn, "disk");
}
else {
fprintf(stderr, "[tde_dbus_hardwarecontrol] Unknown method '%s' called on interface '%s', ignoring\n", dbus_message_get_member(msg), dbus_message_get_interface(msg));
}

101
tdecore/tdehw/tderootsystemdevice.cpp
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@ -30,13 +30,13 @@
#include "config.h"
#if defined(WITH_UPOWER) || defined(WITH_CONSOLEKIT)
#if defined(WITH_TDEHWLIB_DAEMONS) || defined(WITH_UPOWER) || defined(WITH_DEVKITPOWER) || defined(WITH_HAL) || defined(WITH_CONSOLEKIT)
#include <tqdbusdata.h>
#include <tqdbusmessage.h>
#include <tqdbusproxy.h>
#include <tqdbusvariant.h>
#include <tqdbusconnection.h>
#endif // defined(WITH_UPOWER) || defined(WITH_CONSOLEKIT)
#endif // defined(WITH_TDEHWLIB_DAEMONS) || defined(WITH_UPOWER) || defined(WITH_DEVKITPOWER) || defined(WITH_HAL) || defined(WITH_CONSOLEKIT)
TDERootSystemDevice::TDERootSystemDevice(TDEGenericDeviceType::TDEGenericDeviceType dt, TQString dn) : TDEGenericDevice(dt, dn) {
m_hibernationSpace = -1;
@ -107,9 +107,24 @@ bool TDERootSystemDevice::canStandby() {
return FALSE;
}
}
else {
return FALSE;
#ifdef WITH_TDEHWLIB_DAEMONS
{
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
// can standby?
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.trinitydesktop.hardwarecontrol",
"/org/trinitydesktop/hardwarecontrol",
"org.trinitydesktop.hardwarecontrol.Power",
"CanStandby");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage && reply.count() == 1) {
return reply[0].toBool();
}
}
}
#endif // WITH_TDEHWLIB_DAEMONS
}
bool TDERootSystemDevice::canSuspend() {
@ -186,6 +201,24 @@ bool TDERootSystemDevice::canSuspend() {
}
#endif // WITH_HAL
#ifdef WITH_TDEHWLIB_DAEMONS
{
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
// can suspend?
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.trinitydesktop.hardwarecontrol",
"/org/trinitydesktop/hardwarecontrol",
"org.trinitydesktop.hardwarecontrol.Power",
"CanSuspend");
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;
}
@ -263,6 +296,24 @@ bool TDERootSystemDevice::canHibernate() {
}
#endif // WITH_HAL
#ifdef WITH_TDEHWLIB_DAEMONS
{
TQT_DBusConnection dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if (dbusConn.isConnected()) {
// can hibernate?
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.trinitydesktop.hardwarecontrol",
"/org/trinitydesktop/hardwarecontrol",
"org.trinitydesktop.hardwarecontrol.Power",
"CanHibernate");
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;
}
@ -492,6 +543,48 @@ bool TDERootSystemDevice::setPowerState(TDESystemPowerState::TDESystemPowerState
}
#endif // WITH_HAL
#ifdef WITH_TDEHWLIB_DAEMONS
{
TQT_DBusConnection dbusConn;
dbusConn = TQT_DBusConnection::addConnection(TQT_DBusConnection::SystemBus);
if ( dbusConn.isConnected() ) {
if (ps == TDESystemPowerState::Standby) {
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.trinitydesktop.hardwarecontrol",
"/org/trinitydesktop/hardwarecontrol",
"org.trinitydesktop.hardwarecontrol.Power",
"Standby");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage) {
return true;
}
}
else if (ps == TDESystemPowerState::Suspend) {
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.trinitydesktop.hardwarecontrol",
"/org/trinitydesktop/hardwarecontrol",
"org.trinitydesktop.hardwarecontrol.Power",
"Suspend");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage) {
return true;
}
}
else if (ps == TDESystemPowerState::Hibernate) {
TQT_DBusMessage msg = TQT_DBusMessage::methodCall(
"org.trinitydesktop.hardwarecontrol",
"/org/trinitydesktop/hardwarecontrol",
"org.trinitydesktop.hardwarecontrol.Power",
"Hibernate");
TQT_DBusMessage reply = dbusConn.sendWithReply(msg);
if (reply.type() == TQT_DBusMessage::ReplyMessage) {
return true;
}
}
}
}
#endif // WITH_TDEHWLIB_DAEMONS
return false;
}
else if (ps == TDESystemPowerState::PowerOff) {

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