daemon: updated ovs option to be a formal session option, will now display within gui, save to and be read from xml

daemon/core/emulator/coreemu.py

@@ -80,7 +80,7 @@ class CoreEmu:
         :raises core.errors.CoreError: when an executable does not exist on path
         """
         requirements = COMMON_REQUIREMENTS
-        use_ovs = self.config.get("ovs") == "True"
+        use_ovs = self.config.get("ovs") == "1"
         if use_ovs:
             requirements += OVS_REQUIREMENTS
         else:

daemon/core/emulator/session.py

@@ -217,6 +217,9 @@ class Session:
             else:
                 common_network.unlink(iface1, iface2)
 
+    def use_ovs(self) -> bool:
+        return self.options.get_config("ovs") == "1"
+
     def add_link(
         self,
         node1_id: int,

daemon/core/emulator/sessionconfig.py

@@ -56,6 +56,9 @@ class SessionConfig(ConfigurableManager, ConfigurableOptions):
             default=Sdt.DEFAULT_SDT_URL,
             label="SDT3D URL",
         ),
+        Configuration(
+            _id="ovs", _type=ConfigDataTypes.BOOL, default="0", label="Enable OVS"
+        ),
     ]
     config_type: RegisterTlvs = RegisterTlvs.UTILITY