From 2280c7079b13ff8ddb64e9ecccac12d447bfbc2a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sl=C3=A1vek=20Banko?= Date: Sun, 25 Aug 2013 14:59:43 +0200 Subject: Add tdehwlib-daemon power management backend to TDE hardware library --- .../dbus/org.trinitydesktop.hardwarecontrol.conf | 4 + .../hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c | 55 +++++++++++ tdecore/tdehw/tderootsystemdevice.cpp | 101 ++++++++++++++++++++- 3 files changed, 156 insertions(+), 4 deletions(-) diff --git a/tdecore/tdehw/hwlibdaemons/dbus/org.trinitydesktop.hardwarecontrol.conf b/tdecore/tdehw/hwlibdaemons/dbus/org.trinitydesktop.hardwarecontrol.conf index a649b969f..f8537010f 100644 --- a/tdecore/tdehw/hwlibdaemons/dbus/org.trinitydesktop.hardwarecontrol.conf +++ b/tdecore/tdehw/hwlibdaemons/dbus/org.trinitydesktop.hardwarecontrol.conf @@ -20,6 +20,8 @@ send_interface="org.freedesktop.DBus.Properties"/> + @@ -27,6 +29,8 @@ send_interface="org.trinitydesktop.hardwarecontrol.CPUGovernor"/> + diff --git a/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c b/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c index f7e707522..4cdbcea9b 100644 --- a/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c +++ b/tdecore/tdehw/hwlibdaemons/dbus/tde_dbus_hardwarecontrol.c @@ -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)); } diff --git a/tdecore/tdehw/tderootsystemdevice.cpp b/tdecore/tdehw/tderootsystemdevice.cpp index 422ff50de..86a92340c 100644 --- a/tdecore/tdehw/tderootsystemdevice.cpp +++ b/tdecore/tdehw/tderootsystemdevice.cpp @@ -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 #include #include #include #include -#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) { -- cgit v1.2.1