feat: change limits dynamically

asusd/src/asus_armoury.rs

@@ -55,6 +55,25 @@ impl AsusArmouryAttribute {
         String::from(self.attr.name())
     }
 
+    fn resolve_i32_value(refreshed: Option<i32>, cached: &AttrValue) -> i32 {
+        refreshed
+            .or_else(|| match cached {
+                AttrValue::Integer(i) => Some(*i),
+                _ => None,
+            })
+            .unwrap_or(-1)
+    }
+
+    pub async fn emit_limits(&self, connection: &Connection) -> Result<(), RogError> {
+        let path = dbus_path_for_attr(self.attr.name());
+        let signal = SignalEmitter::new(connection, path)?;
+        self.min_value_changed(&signal).await?;
+        self.max_value_changed(&signal).await?;
+        self.scalar_increment_changed(&signal).await?;
+        self.current_value_changed(&signal).await?;
+        Ok(())
+    }
+
     pub async fn move_to_zbus(self, connection: &Connection) -> Result<(), RogError> {
         let path = dbus_path_for_attr(self.attr.name());
         connection
@@ -117,6 +136,35 @@ impl AsusArmouryAttribute {
     }
 }
 
+#[derive(Clone, Default)]
+pub struct ArmouryAttributeRegistry {
+    attrs: Vec<AsusArmouryAttribute>,
+}
+
+impl ArmouryAttributeRegistry {
+    pub fn push(&mut self, attr: AsusArmouryAttribute) {
+        self.attrs.push(attr);
+    }
+
+    pub async fn emit_limits(&self, connection: &Connection) -> Result<(), RogError> {
+        let mut last_err: Option<RogError> = None;
+        for attr in &self.attrs {
+            if let Err(e) = attr.emit_limits(connection).await {
+                error!(
+                    "Failed to emit updated limits for attribute '{}': {e:?}",
+                    attr.attribute_name()
+                );
+                last_err = Some(e);
+            }
+        }
+        if let Some(err) = last_err {
+            Err(err)
+        } else {
+            Ok(())
+        }
+    }
+}
+
 impl crate::Reloadable for AsusArmouryAttribute {
     async fn reload(&mut self) -> Result<(), RogError> {
         info!("Reloading {}", self.attr.name());
@@ -256,26 +304,20 @@ impl AsusArmouryAttribute {
 
     #[zbus(property)]
     async fn min_value(&self) -> i32 {
-        match self.attr.min_value() {
-            AttrValue::Integer(i) => *i,
-            _ => -1,
-        }
+        Self::resolve_i32_value(self.attr.refresh_min_value(), self.attr.min_value())
     }
 
     #[zbus(property)]
     async fn max_value(&self) -> i32 {
-        match self.attr.max_value() {
-            AttrValue::Integer(i) => *i,
-            _ => -1,
-        }
+        Self::resolve_i32_value(self.attr.refresh_max_value(), self.attr.max_value())
     }
 
     #[zbus(property)]
     async fn scalar_increment(&self) -> i32 {
-        match self.attr.scalar_increment() {
-            AttrValue::Integer(i) => *i,
-            _ => -1,
-        }
+        Self::resolve_i32_value(
+            self.attr.refresh_scalar_increment(),
+            self.attr.scalar_increment(),
+        )
     }
 
     #[zbus(property)]
@@ -393,7 +435,8 @@ pub async fn start_attributes_zbus(
     power: AsusPower,
     attributes: FirmwareAttributes,
     config: Arc<Mutex<Config>>,
-) -> Result<(), RogError> {
+) -> Result<ArmouryAttributeRegistry, RogError> {
+    let mut registry = ArmouryAttributeRegistry::default();
     for attr in attributes.attributes() {
         let mut attr = AsusArmouryAttribute::new(
             attr.clone(),
@@ -402,6 +445,8 @@ pub async fn start_attributes_zbus(
             config.clone(),
         );
 
+        let registry_attr = attr.clone();
+
         if let Err(e) = attr.reload().await {
             error!(
                 "Skipping attribute '{}' due to reload error: {e:?}",
@@ -430,9 +475,12 @@ pub async fn start_attributes_zbus(
 
         if let Err(e) = attr.move_to_zbus(conn).await {
             error!("Failed to register attribute '{attr_name}' on zbus: {e:?}");
+            continue;
         }
+
+        registry.push(registry_attr);
     }
-    Ok(())
+    Ok(registry)
 }
 
 pub async fn set_config_or_default(

asusd/src/ctrl_platform.rs

@@ -13,7 +13,7 @@ use zbus::fdo::Error as FdoErr;
 use zbus::object_server::SignalEmitter;
 use zbus::{interface, Connection};
 
-use crate::asus_armoury::set_config_or_default;
+use crate::asus_armoury::{set_config_or_default, ArmouryAttributeRegistry};
 use crate::config::Config;
 use crate::error::RogError;
 use crate::{task_watch_item, CtrlTask, ReloadAndNotify};
@@ -46,6 +46,8 @@ pub struct CtrlPlatform {
     attributes: FirmwareAttributes,
     cpu_control: Option<CPUControl>,
     config: Arc<Mutex<Config>>,
+    connection: Connection,
+    armoury_registry: ArmouryAttributeRegistry,
 }
 
 impl CtrlPlatform {
@@ -56,6 +58,8 @@ impl CtrlPlatform {
         config: Arc<Mutex<Config>>,
         config_path: &Path,
         signal_context: SignalEmitter<'static>,
+        connection: Connection,
+        armoury_registry: ArmouryAttributeRegistry,
     ) -> Result<Self, RogError> {
         let config1 = config.clone();
         let config_path = config_path.to_owned();
@@ -68,6 +72,8 @@ impl CtrlPlatform {
             cpu_control: CPUControl::new()
                 .map_err(|e| error!("Couldn't get CPU control sysfs: {e}"))
                 .ok(),
+            connection,
+            armoury_registry,
         };
         let mut inotify_self = ret_self.clone();
 
@@ -729,6 +735,31 @@ impl CtrlTask for CtrlPlatform {
                             }
                             if !sleeping {
                                 platform1.run_ac_or_bat_cmd(power_plugged > 0).await;
+                                if let Ok(profile) =
+                                    platform1.platform.get_platform_profile().map(|p| p.into())
+                                {
+                                    let attrs = FirmwareAttributes::new();
+                                    {
+                                        let mut cfg = platform1.config.lock().await;
+                                        set_config_or_default(
+                                            &attrs,
+                                            &mut *cfg,
+                                            power_plugged > 0,
+                                            profile,
+                                        )
+                                        .await;
+                                    }
+                                    if let Err(e) = platform1
+                                        .armoury_registry
+                                        .emit_limits(&platform1.connection)
+                                        .await
+                                    {
+                                        error!(
+                                            "Failed to emit armoury updates after power change: \
+                                             {e:?}"
+                                        );
+                                    }
+                                }
                             }
                             platform1.config.lock().await.last_power_plugged = power_plugged;
                         }
@@ -789,13 +820,17 @@ impl CtrlTask for CtrlPlatform {
                     {
                         // TODO: manage this better, shouldn't need to create every time
                         let attrs = FirmwareAttributes::new();
-                        set_config_or_default(
-                            &attrs,
-                            &mut *platform3.config.lock().await,
-                            power_plugged,
-                            profile,
-                        )
-                        .await;
+                        {
+                            let mut cfg = platform3.config.lock().await;
+                            set_config_or_default(&attrs, &mut *cfg, power_plugged, profile).await;
+                        }
+                        if let Err(e) = platform3
+                            .armoury_registry
+                            .emit_limits(&platform3.connection)
+                            .await
+                        {
+                            error!("Failed to emit armoury updates after AC/DC toggle: {e:?}");
+                        }
                         platform3
                             .enable_ppt_group_changed(&signal_ctxt_copy)
                             .await
@@ -852,6 +887,9 @@ impl CtrlTask for CtrlPlatform {
                             profile,
                         )
                         .await;
+                        if let Err(e) = ctrl.armoury_registry.emit_limits(&ctrl.connection).await {
+                            error!("Failed to emit armoury updates after profile change: {e:?}");
+                        }
                     }
                 }
             }

asusd/src/daemon.rs

@@ -3,7 +3,7 @@ use std::error::Error;
 use std::sync::Arc;
 
 use ::zbus::Connection;
-use asusd::asus_armoury::start_attributes_zbus;
+use asusd::asus_armoury::{start_attributes_zbus, ArmouryAttributeRegistry};
 use asusd::aura_manager::DeviceManager;
 use asusd::config::Config;
 use asusd::ctrl_backlight::CtrlBacklight;
@@ -74,7 +74,7 @@ async fn start_daemon() -> Result<(), Box<dyn Error>> {
     let platform = RogPlatform::new()?; // TODO: maybe needs async mutex?
     let power = AsusPower::new()?; // TODO: maybe needs async mutex?
     let attributes = FirmwareAttributes::new();
-    if let Err(e) = start_attributes_zbus(
+    let armoury_registry = match start_attributes_zbus(
         &server,
         platform.clone(),
         power.clone(),
@@ -83,8 +83,12 @@ async fn start_daemon() -> Result<(), Box<dyn Error>> {
     )
     .await
     {
-        error!("Failed to initialize firmware attributes over zbus: {e:?}");
-    }
+        Ok(registry) => registry,
+        Err(e) => {
+            error!("Failed to initialize firmware attributes over zbus: {e:?}");
+            ArmouryAttributeRegistry::default()
+        }
+    };
 
     match CtrlFanCurveZbus::new() {
         Ok(ctrl) => {
@@ -113,6 +117,8 @@ async fn start_daemon() -> Result<(), Box<dyn Error>> {
         config.clone(),
         &cfg_path,
         CtrlPlatform::signal_context(&server)?,
+        server.clone(),
+        armoury_registry,
     ) {
         Ok(ctrl) => {
             let sig_ctx = CtrlPlatform::signal_context(&server)?;