server: moved send_message to LobbyManager and added broadcast_message

server_tcp.py

@@ -30,10 +30,11 @@ class Lobby:
 
 class Client:
 
-    def __init__(self, client_id, client_name, address):
+    def __init__(self, client_id, client_name, address, connection):
         self.client_id = client_id
         self.client_name = client_name
         self.address = address
+        self.connection = connection
 
 class LobbyManager:
 
@@ -54,8 +55,13 @@ class LobbyManager:
         except KeyError:
             print(f"Lobby with ID {lobby_id} not found, could not be deleted")
 
-    def join_lobby(self, lobby_id, client_id, client_name, address) -> None:
+    def join_lobby(self, lobby_id, client_id, client_name, address, connection) -> None:
-        self.active_lobbies[lobby_id].connected_clients[client_id] = Client(client_id, client_name, address)
+        self.active_lobbies[lobby_id].connected_clients[client_id] = Client(
+            client_id,
+            client_name,
+            address,
+            connection,
+        )
         print(f"Client {client_id} joined lobby {lobby_id}")
     
     def leave_lobby(self, lobby_id, client_id) -> None:
@@ -68,12 +74,21 @@ class LobbyManager:
     def get_lobby_host_client_id(self, lobby_id) -> str:
         return self.active_lobbies[lobby_id].host_client_id
 
+    def send_message(self, lobby_id, client_id, message) -> None:
+        self.active_lobbies[lobby_id].connected_clients[client_id].connection.sendall(str.encode(message))
+
+    def broadcast_message(self, lobby_id, message) -> None:
+        connected_clients = self.active_lobbies[lobby_id].connected_clients
+        for client_id in connected_clients:
+            connected_clients[client_id].connection.sendall(str.encode(message))
+
 class ClientConnection:
 
     def __init__(self, connection, address, lobby_manager):
         self.connection = connection
         self.address = address
         self.lobby_manager = lobby_manager
+
         self.listen_client()
 
     # Listens to a connected TCP client.
@@ -112,11 +127,16 @@ class ClientConnection:
                 data_object["client_id"],
                 data_object["client_name"],
                 self.address,
+                self.connection,
             )
-            self.send_message(json.dumps({
+            self.lobby_manager.send_message(
+                data_object["lobby_id"],
+                data_object["client_id"],
+                json.dumps({
                     "response": "create_lobby",
                     "status": "ok",
-            }))
+                }),
+            )
         
         elif data_object["response"] == "join_lobby":
             print("joining lobby")
@@ -125,11 +145,16 @@ class ClientConnection:
                 data_object["client_id"],
                 data_object["client_name"],
                 self.address,
+                self.connection,
             )
-            self.send_message(json.dumps({
+            self.lobby_manager.send_message(
+                data_object["lobby_id"],
+                data_object["client_id"],
+                json.dumps({
                     "response": "join_lobby",
                     "status": "ok",
-            }))
+                }),
+            )
 
             # send message to all connected clients
         
@@ -148,9 +173,6 @@ class ClientConnection:
                 # client is not host; client leaves only
                 self.lobby_manager.leave_lobby(lobby_id, data_object["client_id"])
 
-    def send_message(self, message: str) -> None:
-        self.connection.sendall(str.encode(message))
-
 if __name__ == '__main__':
     if len(sys.argv) < 2:
         print("Usage: ./server.py PORT")