#2676: Put global variables in dataclass

src/primaite/simulator/network/nmne.py

@@ -1,48 +1,55 @@
 # © Crown-owned copyright 2024, Defence Science and Technology Laboratory UK
-from typing import Dict, Final, List
-
-CAPTURE_NMNE: bool = True
-"""Indicates whether Malicious Network Events (MNEs) should be captured. Default is True."""
-
-NMNE_CAPTURE_KEYWORDS: List[str] = []
-"""List of keywords to identify malicious network events."""
-
-# TODO: Remove final and make configurable after example layout when the NICObservation creates nmne structure dynamically
-CAPTURE_BY_DIRECTION: Final[bool] = True
-"""Flag to determine if captures should be organized by traffic direction (inbound/outbound)."""
-CAPTURE_BY_IP_ADDRESS: Final[bool] = False
-"""Flag to determine if captures should be organized by source or destination IP address."""
-CAPTURE_BY_PROTOCOL: Final[bool] = False
-"""Flag to determine if captures should be organized by network protocol (e.g., TCP, UDP)."""
-CAPTURE_BY_PORT: Final[bool] = False
-"""Flag to determine if captures should be organized by source or destination port."""
-CAPTURE_BY_KEYWORD: Final[bool] = False
-"""Flag to determine if captures should be filtered and categorised based on specific keywords."""
+from dataclasses import dataclass, field
+from typing import Dict, List
 
 
-def set_nmne_config(nmne_config: Dict):
+@dataclass
+class nmne_data:
+    """Store all the information to perform NMNE operations."""
+
+    capture_nmne: bool = True
+    """Indicates whether Malicious Network Events (MNEs) should be captured."""
+    nmne_capture_keywords: List[str] = field(default_factory=list)
+    """List of keywords to identify malicious network events."""
+    capture_by_direction: bool = True
+    """Captures should be organized by traffic direction (inbound/outbound)."""
+    capture_by_ip_address: bool = False
+    """Captures should be organized by source or destination IP address."""
+    capture_by_protocol: bool = False
+    """Captures should be organized by network protocol (e.g., TCP, UDP)."""
+    capture_by_port: bool = False
+    """Captures should be organized by source or destination port."""
+    capture_by_keyword: bool = False
+    """Captures should be filtered and categorised based on specific keywords."""
+
+
+def set_nmne_config(nmne_config: Dict) -> nmne_data:
     """
-    Sets the configuration for capturing Malicious Network Events (MNEs) based on a provided dictionary.
+    Sets the configuration for capturing Malicious Network Events (MNEs) based on a provided
+    dictionary.
 
-    This function updates global settings related to NMNE capture, including whether to capture NMNEs and what
-    keywords to use for identifying NMNEs.
+    This function updates global settings related to NMNE capture, including whether to capture
+    NMNEs and what keywords to use for identifying NMNEs.
 
-    The function ensures that the settings are updated only if they are provided in the `nmne_config` dictionary,
-    and maintains type integrity by checking the types of the provided values.
+    The function ensures that the settings are updated only if they are provided in the
+    `nmne_config` dictionary, and maintains type integrity by checking the types of the provided
+    values.
 
-    :param nmne_config: A dictionary containing the NMNE configuration settings. Possible keys include:
-        "capture_nmne" (bool) to indicate whether NMNEs should be captured, "nmne_capture_keywords" (list of strings)
-        to specify keywords for NMNE identification.
+    :param nmne_config: A dictionary containing the NMNE configuration settings. Possible keys
+    include:
+        "capture_nmne" (bool) to indicate whether NMNEs should be captured;
+        "nmne_capture_keywords" (list of strings) to specify keywords for NMNE identification.
+    :rvar dataclass with data read from config file.
     """
-    global NMNE_CAPTURE_KEYWORDS
-    global CAPTURE_NMNE
-
+    nmne_capture_keywords = []
     # Update the NMNE capture flag, defaulting to False if not specified or if the type is incorrect
-    CAPTURE_NMNE = nmne_config.get("capture_nmne", False)
-    if not isinstance(CAPTURE_NMNE, bool):
-        CAPTURE_NMNE = True  # Revert to default True if the provided value is not a boolean
+    capture_nmne = nmne_config.get("capture_nmne", False)
+    if not isinstance(capture_nmne, bool):
+        capture_nmne = True  # Revert to default True if the provided value is not a boolean
 
     # Update the NMNE capture keywords, appending new keywords if provided
-    NMNE_CAPTURE_KEYWORDS += nmne_config.get("nmne_capture_keywords", [])
-    if not isinstance(NMNE_CAPTURE_KEYWORDS, list):
-        NMNE_CAPTURE_KEYWORDS = []  # Reset to empty list if the provided value is not a list
+    nmne_capture_keywords += nmne_config.get("nmne_capture_keywords", [])
+    if not isinstance(nmne_capture_keywords, list):
+        nmne_capture_keywords = []  # Reset to empty list if the provided value is not a list
+
+    return nmne_data(capture_nmne=capture_nmne, nmne_capture_keywords=nmne_capture_keywords)