async_client: Allow setting the initial device display name.

examples/login.rs

@@ -47,7 +47,9 @@ async fn login(
 
     client.add_event_callback(async_cb);
 
-    client.login(username, password, None).await?;
+    client
+        .login(username, password, None, Some("rust-sdk".to_string()))
+        .await?;
     client.sync_forever(SyncSettings::new(), |_| async {}).await;
 
     Ok(())

src/async_client.rs

@@ -341,6 +341,7 @@ impl AsyncClient {
         user: S,
         password: S,
         device_id: Option<S>,
+        initial_device_display_name: Option<S>,
     ) -> Result<login::Response> {
         info!("Logging in to {} as {:?}", self.homeserver, user);
 
@@ -350,7 +351,7 @@ impl AsyncClient {
                 password: password.into(),
             },
             device_id: device_id.map(|d| d.into()),
-            initial_device_display_name: None,
+            initial_device_display_name: initial_device_display_name.map(|d| d.into()),
         };
 
         let response = self.send(request).await?;

tests/async_client_tests.rs

@@ -22,7 +22,7 @@ fn login() {
 
     let mut client = AsyncClient::new(homeserver, None).unwrap();
 
-    rt.block_on(client.login("example", "wordpass", None))
+    rt.block_on(client.login("example", "wordpass", None, None))
         .unwrap();
 
     let logged_in = rt.block_on(client.logged_in());