switch sides: use ipc to pass msg from ui to server

Signed-off-by: 21pages <pages21@163.com>

src/ipc.rs

@@ -208,7 +208,8 @@ pub enum Data {
     Empty,
     Disconnected,
     DataPortableService(DataPortableService),
-    SwitchBack,
+    SwitchSidesRequest(String),
+    SwitchSidesBack,
 }
 
 #[tokio::main(flavor = "current_thread")]
@@ -429,6 +430,15 @@ async fn handle(data: Data, stream: &mut Connection) {
         Data::TestRendezvousServer => {
             crate::test_rendezvous_server();
         }
+        Data::SwitchSidesRequest(id) => {
+            let uuid = uuid::Uuid::new_v4();
+            crate::server::insert_switch_sides_uuid(id, uuid.clone());
+            allow_err!(
+                stream
+                    .send(&Data::SwitchSidesRequest(uuid.to_string()))
+                    .await
+            );
+        }
         _ => {}
     }
 }

src/server/connection.rs

@@ -366,7 +366,7 @@ impl Connection {
                                 log::error!("Failed to start portable service from cm:{:?}", e);
                             }
                         }
-                        ipc::Data::SwitchBack => {
+                        ipc::Data::SwitchSidesBack => {
                             let mut misc = Misc::new();
                             misc.set_switch_back(SwitchBack::default());
                             let mut msg = Message::new();
@@ -1796,7 +1796,6 @@ impl Connection {
     }
 }
 
-#[cfg(feature = "flutter")]
 pub fn insert_switch_sides_uuid(id: String, uuid: uuid::Uuid) {
     SWITCH_SIDES_UUID
         .lock()

src/ui_cm_interface.rs

@@ -248,7 +248,7 @@ pub fn get_clients_length() -> usize {
 #[cfg(feature = "flutter")]
 pub fn switch_back(id: i32) {
     if let Some(client) = CLIENTS.read().unwrap().get(&id) {
-        allow_err!(client.tx.send(Data::SwitchBack));
+        allow_err!(client.tx.send(Data::SwitchSidesBack));
     };
 }
 

src/ui_session_interface.rs

@@ -17,6 +17,7 @@ use hbb_common::{fs, get_version_number, log, Stream};
 use rdev::{Event, EventType::*};
 use std::collections::HashMap;
 use std::ops::{Deref, DerefMut};
+use std::str::FromStr;
 use std::sync::atomic::{AtomicBool, AtomicUsize, Ordering};
 use std::sync::{Arc, Mutex, RwLock};
 use uuid::Uuid;
@@ -619,17 +620,38 @@ impl<T: InvokeUiSession> Session<T> {
         self.send(Data::ElevateWithLogon(username, password));
     }
 
-    pub fn switch_sides(&self) {
-        let uuid = Uuid::new_v4();
-        crate::server::insert_switch_sides_uuid(self.id.clone(), uuid.clone());
-        let mut misc = Misc::new();
-        misc.set_switch_sides_request(SwitchSidesRequest {
-            uuid: Bytes::from(uuid.as_bytes().to_vec()),
-            ..Default::default()
-        });
-        let mut msg_out = Message::new();
-        msg_out.set_misc(misc);
-        self.send(Data::Message(msg_out));
+    #[tokio::main(flavor = "current_thread")]
+    pub async fn switch_sides(&self) {
+        match crate::ipc::connect(1000, "").await {
+            Ok(mut conn) => {
+                if conn
+                    .send(&crate::ipc::Data::SwitchSidesRequest(self.id.to_string()))
+                    .await
+                    .is_ok()
+                {
+                    if let Ok(Some(data)) = conn.next_timeout(1000).await {
+                        match data {
+                            crate::ipc::Data::SwitchSidesRequest(str_uuid) => {
+                                if let Ok(uuid) = Uuid::from_str(&str_uuid) {
+                                    let mut misc = Misc::new();
+                                    misc.set_switch_sides_request(SwitchSidesRequest {
+                                        uuid: Bytes::from(uuid.as_bytes().to_vec()),
+                                        ..Default::default()
+                                    });
+                                    let mut msg_out = Message::new();
+                                    msg_out.set_misc(misc);
+                                    self.send(Data::Message(msg_out));
+                                }
+                            }
+                            _ => {}
+                        }
+                    }
+                }
+            }
+            Err(err) => {
+                log::info!("server not started (will try to start): {}", err);
+            }
+        }
     }
 }