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
 

daemon/core/nodes/base.py

@@ -73,8 +73,9 @@ class NodeBase(abc.ABC):
         self.icon: Optional[str] = None
         self.position: Position = Position()
         self.up: bool = False
-        use_ovs = session.options.get_config("ovs") == "True"
-        self.net_client: LinuxNetClient = get_net_client(use_ovs, self.host_cmd)
+        self.net_client: LinuxNetClient = get_net_client(
+            self.session.use_ovs(), self.host_cmd
+        )
 
     @abc.abstractmethod
     def startup(self) -> None:
@@ -471,8 +472,9 @@ class CoreNode(CoreNodeBase):
         self.pid: Optional[int] = None
         self.lock: RLock = RLock()
         self._mounts: List[Tuple[str, str]] = []
-        use_ovs = session.options.get_config("ovs") == "True"
-        self.node_net_client: LinuxNetClient = self.create_node_net_client(use_ovs)
+        self.node_net_client: LinuxNetClient = self.create_node_net_client(
+            self.session.use_ovs()
+        )
 
     def create_node_net_client(self, use_ovs: bool) -> LinuxNetClient:
         """

daemon/core/nodes/interface.py

@@ -68,8 +68,9 @@ class CoreInterface:
         # id used to find flow data
         self.flow_id: Optional[int] = None
         self.server: Optional["DistributedServer"] = server
-        use_ovs = session.options.get_config("ovs") == "True"
-        self.net_client: LinuxNetClient = get_net_client(use_ovs, self.host_cmd)
+        self.net_client: LinuxNetClient = get_net_client(
+            self.session.use_ovs(), self.host_cmd
+        )
 
     def host_cmd(
         self,

daemon/core/nodes/network.py

@@ -756,7 +756,7 @@ class CtrlNet(CoreNetwork):
         :param index: starting address index
         :return: nothing
         """
-        use_ovs = self.session.options.get_config("ovs") == "True"
+        use_ovs = self.session.use_ovs()
         address = self.prefix[index]
         current = f"{address}/{self.prefix.prefixlen}"
         net_client = get_net_client(use_ovs, utils.cmd)

daemon/scripts/core-daemon

@@ -118,6 +118,9 @@ def get_merged_config(filename):
     # parse command line options
     args = parser.parse_args()
 
+    # convert ovs to internal format
+    args.ovs = "1" if args.ovs else "0"
+
     # read the config file
     if args.configfile is not None:
         filename = args.configfile