[Update] Controller: Validate and handle IP address setting in setOscIpAddress method.

[Update] Utils: Implement isValidIpAddress function to check IP address validity.

src-python/controller.py

@@ -6,7 +6,7 @@ import re
 from device_manager import device_manager
 from config import config
 from model import model
-from utils import removeLog, printLog, errorLogging, isConnectedNetwork
+from utils import removeLog, printLog, errorLogging, isConnectedNetwork, isValidIpAddress
 
 class Controller:
     def __init__(self) -> None:
@@ -1085,9 +1085,28 @@ class Controller:
 
     @staticmethod
     def setOscIpAddress(data, *args, **kwargs) -> dict:
-        config.OSC_IP_ADDRESS = data
-        model.setOscIpAddress(config.OSC_IP_ADDRESS)
-        return {"status":200, "result":config.OSC_IP_ADDRESS}
+        if isValidIpAddress(data) is False:
+            return {
+                "status":400,
+                "result":{
+                    "message":"Invalid IP address",
+                    "data": config.OSC_IP_ADDRESS
+                }
+            }
+        else:
+            try:
+                model.setOscIpAddress(data)
+                config.OSC_IP_ADDRESS = data
+                return {"status":200, "result":config.OSC_IP_ADDRESS}
+            except Exception:
+                model.setOscIpAddress(config.OSC_IP_ADDRESS)
+                return {
+                    "status":400,
+                    "result":{
+                        "message":"Cannot set IP address",
+                        "data": config.OSC_IP_ADDRESS
+                    }
+                }
 
     @staticmethod
     def getOscPort(*args, **kwargs) -> dict: