Add clear_peripherals method to adapter

src/api/mod.rs

@@ -355,6 +355,9 @@ pub trait Central: Send + Sync + Clone {
     /// Add a [`Peripheral`] from a MAC address without a scan result. Not supported on all Bluetooth systems.
     async fn add_peripheral(&self, address: &PeripheralId) -> Result<Self::Peripheral>;
 
+    /// Clear the list of [`Peripheral`]s that have been discovered so far.
+    async fn clear_peripherals(&self) -> Result<()>;
+
     /// Get information about the Bluetooth adapter being used, such as the model or type.
     ///
     /// The details of this are platform-specific andyou should not attempt to parse it, but it may

src/bluez/adapter.rs

@@ -101,6 +101,12 @@ impl Central for Adapter {
         ))
     }
 
+    async fn clear_peripherals(&self) -> Result<()> {
+        Err(Error::NotSupported(
+            "Can't clear peripheral list on this platform".to_string(),
+        ))
+    }
+
     async fn adapter_info(&self) -> Result<String> {
         let adapter_info = self.session.get_adapter_info(&self.adapter).await?;
         Ok(format!("{} ({})", adapter_info.id, adapter_info.modalias))

src/common/adapter_manager.rs

@@ -66,6 +66,10 @@ where
         self.peripherals.insert(peripheral.id(), peripheral);
     }
 
+    pub fn clear_peripherals(&self) {
+        self.peripherals.clear();
+    }
+
     pub fn peripherals(&self) -> Vec<PeripheralType> {
         self.peripherals
             .iter()

src/corebluetooth/adapter.rs

@@ -117,6 +117,11 @@ impl Central for Adapter {
         ))
     }
 
+    async fn clear_peripherals(&self) -> Result<()> {
+        self.manager.clear_peripherals();
+        Ok(())
+    }
+
     async fn adapter_info(&self) -> Result<String> {
         // TODO: Get information about the adapter.
         Ok("CoreBluetooth".to_string())

src/droidplug/adapter.rs

@@ -167,6 +167,11 @@ impl Central for Adapter {
     async fn add_peripheral(&self, address: &PeripheralId) -> Result<Peripheral> {
         self.add(address.0)
     }
+
+    async fn clear_peripherals(&self) -> Result<()> {
+        self.manager.clear_peripherals();
+        Ok(())
+    }
 }
 
 pub(crate) fn adapter_report_scan_result_internal(

src/winrtble/adapter.rs

@@ -96,6 +96,11 @@ impl Central for Adapter {
         ))
     }
 
+    async fn clear_peripherals(&self) -> Result<()> {
+        self.manager.clear_peripherals();
+        Ok(())
+    }
+
     async fn adapter_info(&self) -> Result<String> {
         // TODO: Get information about the adapter.
         Ok("WinRT".to_string())