fix instantiation of network nodes

src/primaite/simulator/network/hardware/base.py

@@ -639,10 +639,8 @@ class IPWiredNetworkInterface(WiredNetworkInterface, Layer3Interface, ABC):
         `default_gateway_hello` method is not defined, ignoring such errors to proceed without interruption.
         """
         super().enable()
-        try:
+        if hasattr(self._connected_node, "default_gateway_hello"):
             self._connected_node.default_gateway_hello()
-        except AttributeError:
-            pass
         return True
 
     @abstractmethod

src/primaite/simulator/network/hardware/nodes/host/host_node.py

@@ -333,7 +333,7 @@ class HostNode(Node, discriminator="host-node"):
     class ConfigSchema(Node.ConfigSchema):
         """Configuration Schema for HostNode class."""
 
-        type: Literal["host-node"]
+        type: Literal["host-node"] = "host-node"
         hostname: str = "HostNode"
         subnet_mask: IPV4Address = "255.255.255.0"
         ip_address: IPV4Address
@@ -375,7 +375,7 @@ class HostNode(Node, discriminator="host-node"):
         This method is invoked to ensure the host node can communicate with its default gateway, primarily to confirm
         network connectivity and populate the ARP cache with the gateway's MAC address.
         """
-        if self.operating_state == NodeOperatingState.ON and self.default_gateway:
+        if self.operating_state == NodeOperatingState.ON and self.config.default_gateway:
             self.software_manager.arp.get_default_gateway_mac_address()
 
     def receive_frame(self, frame: Frame, from_network_interface: NIC):

src/primaite/simulator/network/hardware/nodes/network/router.py

@@ -1351,7 +1351,6 @@ class Router(NetworkNode, discriminator="router"):
         :return: A dictionary representing the current state.
         """
         state = super().describe_state()
-        state["num_ports"] = self.config.num_ports
         state["acl"] = self.acl.describe_state()
         return state
 

src/primaite/simulator/network/hardware/nodes/network/switch.py

@@ -103,8 +103,8 @@ class Switch(NetworkNode, discriminator="switch"):
 
         type: Literal["switch"] = "switch"
         hostname: str = "Switch"
-        num_ports: int = 24
+        num_ports: int = 8
-        "The number of ports on the switch. Default is 24."
+        "The number of ports on the switch."
 
     config: ConfigSchema = Field(default_factory=lambda: Switch.ConfigSchema())
 
@@ -139,7 +139,6 @@ class Switch(NetworkNode, discriminator="switch"):
         """
         state = super().describe_state()
         state["ports"] = {port_num: port.describe_state() for port_num, port in self.network_interface.items()}
-        state["num_ports"] = self.config.num_ports  # redundant?
         state["mac_address_table"] = {mac: port.port_num for mac, port in self.mac_address_table.items()}
         return state
 

src/primaite/simulator/system/services/arp/arp.py

@@ -137,8 +137,8 @@ class ARP(Service, discriminator="arp"):
                 break
 
         if use_default_gateway:
-            if self.software_manager.node.default_gateway:
+            if self.software_manager.node.config.default_gateway:
-                target_ip_address = self.software_manager.node.default_gateway
+                target_ip_address = self.software_manager.node.config.default_gateway
             else:
                 return
 

src/primaite/simulator/system/software.py

@@ -82,7 +82,7 @@ class Software(SimComponent, ABC):
         """Configurable options for all software."""
 
         model_config = ConfigDict(extra="forbid")
-        starting_health_state: SoftwareHealthState = SoftwareHealthState.UNUSED
+        starting_health_state: SoftwareHealthState = SoftwareHealthState.GOOD
         criticality: SoftwareCriticality = SoftwareCriticality.LOWEST
         fixing_duration: int = 2