Merged PR 542: Update arp.show() to include port_num

## Summary
*Replace this text with an explanation of what the changes are and how you implemented them. Can this impact any other parts of the codebase that we should keep in mind?*

## Test process
*How have you tested this (if applicable)?*

## Checklist
- [X] PR is linked to a **work item**
- [ ] **acceptance criteria** of linked ticket are met
- [X] performed **self-review** of the code
- [X] written **tests** for any new functionality added with this PR
- [ ] updated the **documentation** if this PR changes or adds functionality
- [ ] written/updated **design docs** if this PR implements new functionality
- [X] updated the **change log**
- [X] ran **pre-commit** checks for code style
- [X] attended to any **TO-DOs** left in the code

#2456 - Minor change to arp.show() to include port number

Related work items: #2456

CHANGELOG.md

@@ -8,7 +8,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ## [Unreleased]
 ### Added
 -   Log observation space data by episode and step.
+
+### Changed
 -   ACL's are no longer applied to layer-2 traffic.
+-   ARP .show() method will now include the port number associated with each entry.
 -   Added `services_requires_scan` and `applications_requires_scan` to agent observation space config to allow the agents to be able to see actual health states of services and applications without requiring scans (Default `True`, set to `False` to allow agents to see actual health state without scanning).
 
 ## [3.3.0] - 2024-09-04

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

@@ -47,7 +47,7 @@ class ARP(Service):
 
         :param markdown: If True, format the output as Markdown. Otherwise, use plain text.
         """
-        table = PrettyTable(["IP Address", "MAC Address", "Via"])
+        table = PrettyTable(["IP Address", "MAC Address", "Via", "Port"])
         if markdown:
             table.set_style(MARKDOWN)
         table.align = "l"
@@ -58,6 +58,7 @@ class ARP(Service):
                     str(ip),
                     arp.mac_address,
                     self.software_manager.node.network_interfaces[arp.network_interface_uuid].mac_address,
+                    self.software_manager.node.network_interfaces[arp.network_interface_uuid].port_num,
                 ]
             )
         print(table)