From 1c825797be7d20679dcea6133633964c5b30c2fc Mon Sep 17 00:00:00 2001
From: Vicki Pfau <vi@endrift.com>
Date: Mon, 1 Apr 2024 20:21:38 -0700
Subject: [PATCH] manager: Implement wifi_power_management_state

---
 src/manager.rs | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

diff --git a/src/manager.rs b/src/manager.rs
index 529cb58..2988690 100644
--- a/src/manager.rs
+++ b/src/manager.rs
@@ -99,9 +99,19 @@ impl SteamOSManager {
     }
 
     #[zbus(property)]
-    fn wifi_power_management_state(&self) -> zbus::fdo::Result<u32> {
-        Err(zbus::fdo::Error::UnknownProperty(String::from(
-            "This property can't currently be read",
+    async fn wifi_power_management_state(&self) -> zbus::fdo::Result<u32> {
+        let output = script_output("/usr/bin/iwconfig", &["wlan0"])
+            .await
+            .map_err(anyhow_to_zbus_fdo)?;
+        for line in output.lines() {
+            return Ok(match line.trim() {
+                "Power Management:on" => WifiPowerManagement::Enabled as u32,
+                "Power Management:off" => WifiPowerManagement::Disabled as u32,
+                _ => continue,
+            });
+        }
+        Err(zbus::fdo::Error::Failed(String::from(
+            "Failed to query power management state",
         )))
     }