Ready to implement sync client manager

src/broadcast_messages.rs

@@ -0,0 +1,17 @@
+use crate::sync_client::SyncClientID;
+use crate::user::{APIClientID, UserID};
+
+/// Broadcast messages
+#[derive(Debug, Clone)]
+pub enum BroadcastMessage {
+    /// Request to close the session of a specific client
+    CloseClientSession(APIClientID),
+    /// Close all the sessions of a given user
+    CloseAllUserSessions(UserID),
+    /// Stop sync client for a given user
+    StopSyncClientForUser(UserID),
+    /// Start sync client for a given user (if not already running)
+    StartSyncClientForUser(UserID),
+    /// Stop a client with a given client ID
+    StopSyncClient(SyncClientID),
+}