logging as of 2022-02-01

Change-Id: I63c681bea9553cd822b214075b163ca6c42fe0cc

secop/protocol/dispatcher.py

@@ -130,6 +130,7 @@ class Dispatcher:
             self._connections.remove(conn)
         for _evt, conns in list(self._subscriptions.items()):
             conns.discard(conn)
+        self.set_all_log_levels(conn, 'off')
         self._active_connections.discard(conn)
 
     def register_module(self, moduleobj, modulename, export=True):
@@ -375,11 +376,33 @@ class Dispatcher:
             # XXX: also check all entries in self._subscriptions?
         return (DISABLEEVENTSREPLY, None, None)
 
+    def send_log_msg(self, conn, modname, level, msg):
+        """send log message """
+        if conn in self._connections:
+            conn.send_reply(('log', '%s:%s' % (modname, level), msg))
+            return True
+        return False
+
+    def set_all_log_levels(self, conn, level):
+        for modobj in self._modules.values():
+            modobj.setRemoteLogging(conn, level)
+
+    def handle_logging(self, conn, specifier, level):
+        if specifier and specifier != '.':
+            modobj = self._modules[specifier]
+            iodev = getattr(modobj, '_iodev', None)
+            if iodev and iodev.remoteLogHandler is None:
+                iodev.setRemoteLogging(conn, 'off')
+                iodev.remoteLogHandler.used_by.add(modobj)
+            modobj.setRemoteLogging(conn, level)
+        else:
+            self.set_all_log_levels(conn, level)
+        return 'logging', specifier, level
+
     def close(self):
         for conn in self._connections:
             try:
                 # - may be used for the 'closed' message in serial interface
-                # - is used in frappy history for indicating the close time
                 conn.close_message((ERRORCLOSED, None, None))
             except AttributeError:
                 pass