#2689 minor docustring and type hint change

src/primaite/simulator/system/applications/red_applications/c2/abstract_c2.py

@@ -191,7 +191,7 @@ class AbstractC2(Application):
         """
         return self._handle_c2_payload(payload, session_id)
 
-    def _send_keep_alive(self) -> bool:
+    def _send_keep_alive(self, session_id: Optional[str]) -> bool:
         """Sends a C2 keep alive payload to the self.remote_connection IPv4 Address."""
         # Checking that the c2 application is capable of performing both actions and has an enabled NIC
         # (Using NOT to improve code readability)
@@ -217,6 +217,7 @@ class AbstractC2(Application):
             dest_ip_address=self.c2_remote_connection,
             port=self.current_masquerade_port,
             protocol=self.current_masquerade_protocol,
+            session_id=session_id,
         ):
             self.sys_log.info(f"{self.name}: Keep Alive sent to {self.c2_remote_connection}")
             self.sys_log.debug(f"{self.name}: on {self.current_masquerade_port} via {self.current_masquerade_protocol}")

src/primaite/simulator/system/applications/red_applications/c2/c2_beacon.py

@@ -261,7 +261,7 @@ class C2Beacon(AbstractC2):
 
 
     def _check_c2_connection(self, timestep) -> bool:
-        """Checks the C2 Server connection. If a connection cannot be confirmed then the c2 beacon will halt and close."""
+        """Checks the C2 Server connection. If a connection cannot be confirmed then this method will return false otherwise true."""
         if self.keep_alive_inactivity > self.keep_alive_frequency:
             self.sys_log.info(f"{self.name}: Keep Alive sent to {self.c2_remote_connection} at timestep {timestep}.")
             self._send_keep_alive()

src/primaite/simulator/system/applications/red_applications/c2/c2_server.py

@@ -11,3 +11,4 @@ class C2Server(AbstractC2):
     def _handle_command_output(payload):
         """Abstract Method: Used in C2 server to parse and receive the output of commands sent to the c2 beacon."""
         pass
+