#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Control Board Monitor — v0.6
Key fix:
- Discovery now uses **WEBSERVER_GET_JSON** and reads the `"GET:"` and `"POST:"` sections in that JSON.
- NO usage of `WEBSERVER_LIST_FUNCTIONS_JSON` anymore.
- Still parses the main page "/" as a fallback and then finally the embedded defaults (from your HTML).
Other bits kept: port=8785, selector dialog, scheduler (Run Once / Interval), thresholds+alarms with optional actions.
"""
import json
import queue
import re
import threading
import time
import urllib.parse
import urllib.request
from dataclasses import dataclass, field
from datetime import datetime
from typing import Dict, List, Optional, Tuple
try:
import tkinter as tk
from tkinter import ttk, messagebox
except Exception:
raise SystemExit("Tkinter is required to run this app.")
# =====================
# Global configuration
# =====================
SERVER_HOST: str = "localhost"
SERVER_PORT: int = 8785
REFRESH_INTERVAL_S: int = 60
MAX_RPS: float = 5.0
REQUEST_TIMEOUT_S: float = 5.0
USER_AGENT: str = "ControlBoardMonitor/0.6 (+tkinter)"
CONNECT_TIMEOUT_S: float = 5.0
BACKOFF_BASE_S: float = 1.0
BACKOFF_MAX_S: float = 15.0
MAX_RETRIES: int = 2
# Fallback defaults (extracted from your HTML)
DEFAULT_VARS: List[str] = ['ALARMS_ACTIVE', 'AMBIENT_TEMPERATURE', 'CHEM_BORON_DOSAGE_ACTUAL', 'CHEM_BORON_DOSAGE_ORDERED', 'CHEM_BORON_FILTER_ACTUAL', 'CHEM_BORON_FILTER_ORDERED', 'CHEM_BORON_PPM', 'CHEM_TRUCK_CONNECTED', 'CHEM_TRUCK_IN_ZONE', 'CHEMICAL_CLEANING_PUMP_DRY_STATUS', 'CHEMICAL_CLEANING_PUMP_OVERLOAD_STATUS', 'CHEMICAL_CLEANING_PUMP_STATUS', 'CHEMICAL_DOSING_PUMP_DRY_STATUS', 'CHEMICAL_DOSING_PUMP_OVERLOAD_STATUS', 'CHEMICAL_DOSING_PUMP_STATUS', 'CHEMICAL_FILTER_PUMP_DRY_STATUS', 'CHEMICAL_FILTER_PUMP_OVERLOAD_STATUS', 'CHEMICAL_FILTER_PUMP_STATUS', 'CONDENSER_CIRCULATION_PUMP_ACTIVE', 'CONDENSER_CIRCULATION_PUMP_ORDERED_SPEED', 'CONDENSER_CIRCULATION_PUMP_OVERLOAD_STATUS', 'CONDENSER_CIRCULATION_PUMP_SPEED', 'CONDENSER_CIRCULATION_PUMP_SWITCH', 'CONDENSER_CONDENSATE_FLOW_RATE', 'CONDENSER_COOLANT_EVAPORATED', 'CONDENSER_EXTRACTION_FLOW_RATE', 'CONDENSER_PRESSURE', 'CONDENSER_TEMPERATURE', 'CONDENSER_VACUUM', 'CONDENSER_VACUUM_PUMP_ACTIVE', 'CONDENSER_VACUUM_PUMP_MODE', 'CONDENSER_VACUUM_PUMP_POWER', 'CONDENSER_VACUUM_RELIEF_VALVE_OPENING', 'CONDENSER_VAPOR_VOLUME', 'CONDENSER_VOLUME', 'COOLANT_CORE_CIRCULATION_PUMP_0_CAPACITY', 'COOLANT_CORE_CIRCULATION_PUMP_0_DRY_STATUS', 'COOLANT_CORE_CIRCULATION_PUMP_0_ORDERED_SPEED', 'COOLANT_CORE_CIRCULATION_PUMP_0_OVERLOAD_STATUS', 'COOLANT_CORE_CIRCULATION_PUMP_0_SPEED', 'COOLANT_CORE_CIRCULATION_PUMP_0_STATUS', 'COOLANT_CORE_CIRCULATION_PUMP_1_CAPACITY', 'COOLANT_CORE_CIRCULATION_PUMP_1_DRY_STATUS', 'COOLANT_CORE_CIRCULATION_PUMP_1_ORDERED_SPEED', 'COOLANT_CORE_CIRCULATION_PUMP_1_OVERLOAD_STATUS', 'COOLANT_CORE_CIRCULATION_PUMP_1_SPEED', 'COOLANT_CORE_CIRCULATION_PUMP_1_STATUS', 'COOLANT_CORE_CIRCULATION_PUMP_2_CAPACITY', 'COOLANT_CORE_CIRCULATION_PUMP_2_DRY_STATUS', 'COOLANT_CORE_CIRCULATION_PUMP_2_ORDERED_SPEED', 'COOLANT_CORE_CIRCULATION_PUMP_2_OVERLOAD_STATUS', 'COOLANT_CORE_CIRCULATION_PUMP_2_SPEED', 'COOLANT_CORE_CIRCULATION_PUMP_2_STATUS', 'COOLANT_CORE_FLOW_IN', 'COOLANT_CORE_FLOW_ORDERED_SPEED', 'COOLANT_CORE_FLOW_OUT', 'COOLANT_CORE_FLOW_REACHED_SPEED', 'COOLANT_CORE_FLOW_SPEED', 'COOLANT_CORE_MAX_PRESSURE', 'COOLANT_CORE_PRESSURE', 'COOLANT_CORE_PRIMARY_LOOP_LEVEL', 'COOLANT_CORE_QUANTITY_CIRCULATION_PUMPS_PRESENT', 'COOLANT_CORE_QUANTITY_FREIGHT_PUMPS_PRESENT', 'COOLANT_CORE_QUANTITY_IN_VESSEL', 'COOLANT_CORE_STATE', 'COOLANT_CORE_VESSEL_TEMPERATURE', 'COOLANT_SEC_0_LIQUID_VOLUME', 'COOLANT_SEC_0_PRESSURE', 'COOLANT_SEC_0_TEMPERATURE', 'COOLANT_SEC_0_VOLUME', 'COOLANT_SEC_1_LIQUID_VOLUME', 'COOLANT_SEC_1_PRESSURE', 'COOLANT_SEC_1_TEMPERATURE', 'COOLANT_SEC_1_VOLUME', 'COOLANT_SEC_2_LIQUID_VOLUME', 'COOLANT_SEC_2_PRESSURE', 'COOLANT_SEC_2_TEMPERATURE', 'COOLANT_SEC_2_VOLUME', 'COOLANT_SEC_CIRCULATION_PUMP_0_CAPACITY', 'COOLANT_SEC_CIRCULATION_PUMP_0_DRY_STATUS', 'COOLANT_SEC_CIRCULATION_PUMP_0_ORDERED_SPEED', 'COOLANT_SEC_CIRCULATION_PUMP_0_OVERLOAD_STATUS', 'COOLANT_SEC_CIRCULATION_PUMP_0_SPEED', 'COOLANT_SEC_CIRCULATION_PUMP_0_STATUS', 'COOLANT_SEC_CIRCULATION_PUMP_1_CAPACITY', 'COOLANT_SEC_CIRCULATION_PUMP_1_DRY_STATUS', 'COOLANT_SEC_CIRCULATION_PUMP_1_ORDERED_SPEED', 'COOLANT_SEC_CIRCULATION_PUMP_1_OVERLOAD_STATUS', 'COOLANT_SEC_CIRCULATION_PUMP_1_SPEED', 'COOLANT_SEC_CIRCULATION_PUMP_1_STATUS', 'COOLANT_SEC_CIRCULATION_PUMP_2_CAPACITY', 'COOLANT_SEC_CIRCULATION_PUMP_2_DRY_STATUS', 'COOLANT_SEC_CIRCULATION_PUMP_2_ORDERED_SPEED', 'COOLANT_SEC_CIRCULATION_PUMP_2_OVERLOAD_STATUS', 'COOLANT_SEC_CIRCULATION_PUMP_2_SPEED', 'COOLANT_SEC_CIRCULATION_PUMP_2_STATUS', 'CORE_BAY_1_HATCH_OPEN', 'CORE_BAY_1_STATE', 'CORE_BAY_2_HATCH_OPEN', 'CORE_BAY_2_STATE', 'CORE_BAY_3_HATCH_OPEN', 'CORE_BAY_3_STATE', 'CORE_BAY_4_HATCH_OPEN', 'CORE_BAY_4_STATE', 'CORE_BAY_5_HATCH_OPEN', 'CORE_BAY_5_STATE', 'CORE_BAY_6_HATCH_OPEN', 'CORE_BAY_6_STATE', 'CORE_BAY_7_HATCH_OPEN', 'CORE_BAY_7_STATE', 'CORE_BAY_8_HATCH_OPEN', 'CORE_BAY_8_STATE', 'CORE_BAY_9_HATCH_OPEN', 'CORE_BAY_9_STATE', 'CORE_CRITICAL_MASS_REACHED', 'CORE_CRITICAL_MASS_REACHED_COUNTER', 'CORE_EXTERNAL_COOLANT_RESERVOIR_VOLUME', 'CORE_FACTOR', 'CORE_FACTOR_CHANGE', 'CORE_FUEL_1_FISSIONABLE', 'CORE_FUEL_1_POWER_FACTOR', 'CORE_FUEL_1_TEMPERATURE', 'CORE_FUEL_2_FISSIONABLE', 'CORE_FUEL_2_POWER_FACTOR', 'CORE_FUEL_2_TEMPERATURE', 'CORE_FUEL_3_FISSIONABLE', 'CORE_FUEL_3_POWER_FACTOR', 'CORE_FUEL_3_TEMPERATURE', 'CORE_FUEL_4_FISSIONABLE', 'CORE_FUEL_4_POWER_FACTOR', 'CORE_FUEL_4_TEMPERATURE', 'CORE_FUEL_5_FISSIONABLE', 'CORE_FUEL_5_POWER_FACTOR', 'CORE_FUEL_5_TEMPERATURE', 'CORE_FUEL_6_FISSIONABLE', 'CORE_FUEL_6_POWER_FACTOR', 'CORE_FUEL_6_TEMPERATURE', 'CORE_FUEL_7_FISSIONABLE', 'CORE_FUEL_7_POWER_FACTOR', 'CORE_FUEL_7_TEMPERATURE', 'CORE_FUEL_8_FISSIONABLE', 'CORE_FUEL_8_POWER_FACTOR', 'CORE_FUEL_8_TEMPERATURE', 'CORE_FUEL_9_FISSIONABLE', 'CORE_FUEL_9_POWER_FACTOR', 'CORE_FUEL_9_TEMPERATURE', 'CORE_FUEL_AVG_FISSIONABLE', 'CORE_FUEL_AVG_POWER_FACTOR', 'CORE_FUEL_AVG_TEMPERATURE', 'CORE_HIGH_STEAM_PRESENT', 'CORE_IMMINENT_FUSION', 'CORE_INTEGRITY', 'CORE_IODINE_CUMULATIVE', 'CORE_IODINE_GENERATION', 'CORE_OPERATION_MODE', 'CORE_POOL_COOLANT_TANK_VOLUME', 'CORE_POOL_PUMP', 'CORE_PRESSURE', 'CORE_PRESSURE_MAX', 'CORE_PRESSURE_OPERATIVE', 'CORE_PRIMARY_CIRCUIT_COOLING_TANK_VOLUME', 'CORE_READY_FOR_START', 'CORE_STATE', 'CORE_STATE_CRITICALITY', 'CORE_STEAM_PRESENT', 'CORE_TEMP', 'CORE_TEMP_MAX', 'CORE_TEMP_MIN', 'CORE_TEMP_OPERATIVE', 'CORE_TEMP_RESIDUAL', 'CORE_WEAR', 'CORE_XENON_CUMULATIVE', 'CORE_XENON_GENERATION', 'EMERGENCY_BATTERIES_MODE', 'EMERGENCY_BATTERIES_POWER_OUTPUT_KW', 'EMERGENCY_GENERATOR_1_FUEL', 'EMERGENCY_GENERATOR_1_MAINTENANCE_NEEDED', 'EMERGENCY_GENERATOR_1_MODE', 'EMERGENCY_GENERATOR_1_PRESSURIZER', 'EMERGENCY_GENERATOR_1_STATUS', 'EMERGENCY_GENERATOR_2_FUEL', 'EMERGENCY_GENERATOR_2_MAINTENANCE_NEEDED', 'EMERGENCY_GENERATOR_2_MODE', 'EMERGENCY_GENERATOR_2_PRESSURIZER', 'EMERGENCY_GENERATOR_2_STATUS', 'EMERGENCY_GENERATOR_POWER_OUTPUT_KW', 'FREIGHT_PUMP_CONDENSER_ACTIVE', 'FREIGHT_PUMP_CONDENSER_SWITCH', 'FREIGHT_PUMP_EXTERNAL_ACTIVE', 'FREIGHT_PUMP_EXTERNAL_SWITCH', 'FREIGHT_PUMP_FEEDWATER_ACTIVE', 'FREIGHT_PUMP_FEEDWATER_SWITCH', 'FREIGHT_PUMP_INTERNAL_ACTIVE', 'FREIGHT_PUMP_INTERNAL_SWITCH', 'FUN_IS_ENABLED', 'GAME_DIFFICULTY', 'GAME_SIM_SPEED', 'GAME_VERSION', 'GENERATOR_0_A', 'GENERATOR_0_BREAKER', 'GENERATOR_0_HERTZ', 'GENERATOR_0_KW', 'GENERATOR_0_V', 'GENERATOR_1_A', 'GENERATOR_1_BREAKER', 'GENERATOR_1_HERTZ', 'GENERATOR_1_KW', 'GENERATOR_1_V', 'GENERATOR_2_A', 'GENERATOR_2_BREAKER', 'GENERATOR_2_HERTZ', 'GENERATOR_2_KW', 'GENERATOR_2_V', 'INSTALLED_LOOPS_JSON', 'INVENTORY_HTML', 'MAINTENANCE_REPORT_HTML', 'MSCV_0_OPENING_ACTUAL', 'MSCV_1_OPENING_ACTUAL', 'MSCV_2_OPENING_ACTUAL', 'POWER_DEMAND_MW', 'POWER_FROM_EXTERNAL_KW', 'POWER_FROM_TURBINE_KW', 'POWER_MAX_THEORETICAL_FINAL_PLANT_OUTPUT_MW', 'POWER_MAX_THEORETICAL_PLANT_OUTPUT_MW', 'RES_ABSORPTION_CAPACITY_MW', 'RES_DIVERT_SURPLUS_FROM_MW', 'RES_EFFECTIVELY_DERIVED_ENERGY_MW', 'RESISTOR_BANK_01_SWITCH', 'RESISTOR_BANK_02_SWITCH', 'RESISTOR_BANK_03_SWITCH', 'RESISTOR_BANK_04_SWITCH', 'RESISTOR_BANKS_JSON', 'RESISTOR_BANKS_MAIN_SWITCH', 'ROD_BANK_POS_0_ACTUAL', 'ROD_BANK_POS_0_ORDERED', 'ROD_BANK_POS_1_ACTUAL', 'ROD_BANK_POS_1_ORDERED', 'ROD_BANK_POS_2_ACTUAL', 'ROD_BANK_POS_2_ORDERED', 'ROD_BANK_POS_3_ACTUAL', 'ROD_BANK_POS_3_ORDERED', 'ROD_BANK_POS_4_ACTUAL', 'ROD_BANK_POS_4_ORDERED', 'ROD_BANK_POS_5_ACTUAL', 'ROD_BANK_POS_5_ORDERED', 'ROD_BANK_POS_6_ACTUAL', 'ROD_BANK_POS_6_ORDERED', 'ROD_BANK_POS_7_ACTUAL', 'ROD_BANK_POS_7_ORDERED', 'ROD_BANK_POS_8_ACTUAL', 'ROD_BANK_POS_8_ORDERED', 'RODS_ALIGNED', 'RODS_DEFORMED', 'RODS_MAX_TEMPERATURE', 'RODS_MOVEMENT_SPEED', 'RODS_MOVEMENT_SPEED_DECREASED_HIGH_TEMPERATURE', 'RODS_POS_ACTUAL', 'RODS_POS_ORDERED', 'RODS_POS_REACHED', 'RODS_QUANTITY', 'RODS_STATUS', 'RODS_TEMPERATURE', 'STEAM_EJECTOR_CONDENSER_RETURN_VALVE_ACTUAL', 'STEAM_EJECTOR_CONDENSER_RETURN_VALVE_ORDERED', 'STEAM_EJECTOR_MOTIVE', 'STEAM_EJECTOR_OPERATIONAL_MOTIVE_VALVE_ACTUAL', 'STEAM_EJECTOR_OPERATIONAL_MOTIVE_VALVE_ORDERED', 'STEAM_EJECTOR_STARTUP_MOTIVE_VALVE_ACTUAL', 'STEAM_EJECTOR_STARTUP_MOTIVE_VALVE_ORDERED', 'STEAM_GEN_0_BOILING_POINT', 'STEAM_GEN_0_EVAPORATED', 'STEAM_GEN_0_INLET', 'STEAM_GEN_0_OUTLET', 'STEAM_GEN_0_RETURN_FLOW_PLUS_CONDENSED', 'STEAM_GEN_0_STATUS', 'STEAM_GEN_0_VENT_SWITCH', 'STEAM_GEN_1_BOILING_POINT', 'STEAM_GEN_1_EVAPORATED', 'STEAM_GEN_1_INLET', 'STEAM_GEN_1_OUTLET', 'STEAM_GEN_1_RETURN_FLOW_PLUS_CONDENSED', 'STEAM_GEN_1_STATUS', 'STEAM_GEN_1_VENT_SWITCH', 'STEAM_GEN_2_BOILING_POINT', 'STEAM_GEN_2_EVAPORATED', 'STEAM_GEN_2_INLET', 'STEAM_GEN_2_OUTLET', 'STEAM_GEN_2_RETURN_FLOW_PLUS_CONDENSED', 'STEAM_GEN_2_STATUS', 'STEAM_GEN_2_VENT_SWITCH', 'STEAM_TURBINE_0_BYPASS_ACTUAL', 'STEAM_TURBINE_0_INSTALLED', 'STEAM_TURBINE_0_PRESSURE', 'STEAM_TURBINE_0_RPM', 'STEAM_TURBINE_0_TEMPERATURE', 'STEAM_TURBINE_0_TORQUE', 'STEAM_TURBINE_1_BYPASS_ACTUAL', 'STEAM_TURBINE_1_INSTALLED', 'STEAM_TURBINE_1_PRESSURE', 'STEAM_TURBINE_1_RPM', 'STEAM_TURBINE_1_TEMPERATURE', 'STEAM_TURBINE_1_TORQUE', 'STEAM_TURBINE_2_BYPASS_ACTUAL', 'STEAM_TURBINE_2_INSTALLED', 'STEAM_TURBINE_2_PRESSURE', 'STEAM_TURBINE_2_RPM', 'STEAM_TURBINE_2_TEMPERATURE', 'STEAM_TURBINE_2_TORQUE', 'TIME', 'TIME_DAY', 'TIME_STAMP', 'VACUUM_RETENTION_TANK_PRESSURE', 'VACUUM_RETENTION_TANK_VOLUME', 'VALVE_M01_OPEN', 'VALVE_M02_OPEN', 'VALVE_M03_OPEN', 'VALVE_PANEL_JSON', 'WEATHER_FORECAST_JSON', 'WEBSERVER_BATCH_GET', 'WEBSERVER_LIST_VARIABLES', 'WEBSERVER_LIST_VARIABLES_JSON', 'WEBSERVER_VIEW_VARIABLES']
DEFAULT_FUNCTIONS: List[str] = ['CHEM_BORON_DOSAGE_ORDERED_RATE', 'CHEM_BORON_FILTER_ORDERED_SPEED', 'CONDENSER_CIRCULATION_PUMP_ORDERED_SPEED', 'CONDENSER_CIRCULATION_PUMP_SWITCH', 'CONDENSER_VACUUM_PUMP_MODE', 'CONDENSER_VACUUM_PUMP_START_STOP', 'COOLANT_CORE_CIRCULATION_PUMP_0_ORDERED_SPEED', 'COOLANT_CORE_CIRCULATION_PUMP_1_ORDERED_SPEED', 'COOLANT_CORE_CIRCULATION_PUMP_2_ORDERED_SPEED', 'COOLANT_SEC_CIRCULATION_PUMP_0_ORDERED_SPEED', 'COOLANT_SEC_CIRCULATION_PUMP_1_ORDERED_SPEED', 'COOLANT_SEC_CIRCULATION_PUMP_2_ORDERED_SPEED', 'CORE_BAY_1_FUEL_LOADING', 'CORE_BAY_1_HATCH', 'CORE_BAY_2_FUEL_LOADING', 'CORE_BAY_2_HATCH', 'CORE_BAY_3_FUEL_LOADING', 'CORE_BAY_3_HATCH', 'CORE_BAY_4_FUEL_LOADING', 'CORE_BAY_4_HATCH', 'CORE_BAY_5_FUEL_LOADING', 'CORE_BAY_5_HATCH', 'CORE_BAY_6_FUEL_LOADING', 'CORE_BAY_6_HATCH', 'CORE_BAY_7_FUEL_LOADING', 'CORE_BAY_7_HATCH', 'CORE_BAY_8_FUEL_LOADING', 'CORE_BAY_8_HATCH', 'CORE_BAY_9_FUEL_LOADING', 'CORE_BAY_9_HATCH', 'CORE_EMERGENCY_STOP', 'CORE_END_EMERGENCY_STOP', 'CORE_OPERATION_MODE', 'CORE_POOL_PUMP', 'CORE_SCRAM_BUTTON', 'EMERGENCY_BATTERIES_MODE', 'EMERGENCY_GENERATOR_1_MODE', 'EMERGENCY_GENERATOR_1_START_STOP', 'EMERGENCY_GENERATOR_2_MODE', 'EMERGENCY_GENERATOR_2_START_STOP', 'FREIGHT_PUMP_CONDENSER_SWITCH', 'FREIGHT_PUMP_EXTERNAL_SWITCH', 'FREIGHT_PUMP_FEEDWATER_SWITCH', 'FREIGHT_PUMP_INTERNAL_SWITCH', 'FUN_AO_SABOTAGE_ONCE', 'FUN_AO_SABOTAGE_TIME', 'FUN_BANK_ROBBERY', 'FUN_BREAKER_TRIP', 'FUN_DECREASE_INTEGRITY', 'FUN_FIRE_DRILL', 'FUN_IODINE_SPILL', 'FUN_OIL_SPILL', 'FUN_PUMP_JAM', 'FUN_REQUEST_ENABLE', 'FUN_SHOW_MESSAGE', 'FUN_TOGGLE_RANDOM_SWITCH', 'FUN_TRIGGER_AUDIT', 'FUN_WEATHER_CONTROL', 'FUN_XENON_SPILL', 'MSCV_0_OPENING_ORDERED', 'MSCV_1_OPENING_ORDERED', 'MSCV_2_OPENING_ORDERED', 'RESET_AO', 'RESISTOR_BANK_01_SWITCH', 'RESISTOR_BANK_02_SWITCH', 'RESISTOR_BANK_03_SWITCH', 'RESISTOR_BANK_04_SWITCH', 'RESISTOR_BANKS_MAIN_SWITCH', 'ROD_BANK_POS_0_ORDERED', 'ROD_BANK_POS_1_ORDERED', 'ROD_BANK_POS_2_ORDERED', 'ROD_BANK_POS_3_ORDERED', 'ROD_BANK_POS_4_ORDERED', 'ROD_BANK_POS_5_ORDERED', 'ROD_BANK_POS_6_ORDERED', 'ROD_BANK_POS_7_ORDERED', 'ROD_BANK_POS_8_ORDERED', 'RODS_ALL_POS_ORDERED', 'STEAM_EJECTOR_CONDENSER_RETURN_VALVE', 'STEAM_EJECTOR_OPERATIONAL_MOTIVE_VALVE', 'STEAM_EJECTOR_STARTUP_MOTIVE_VALVE', 'STEAM_GEN_0_VENT_SWITCH', 'STEAM_GEN_1_VENT_SWITCH', 'STEAM_GEN_2_VENT_SWITCH', 'STEAM_TURBINE_0_BYPASS_ORDERED', 'STEAM_TURBINE_1_BYPASS_ORDERED', 'STEAM_TURBINE_2_BYPASS_ORDERED', 'STEAM_TURBINE_TRIP', 'VALVE_CLOSE', 'VALVE_OFF', 'VALVE_OPEN']
# =====================
# Helpers
# =====================
def build_base_url(host: str, port: int) -> str:
return f"http://{host}:{port}/"
def http_get(base_url: str, params: Dict[str, str]) -> Tuple[int, str, Dict[str, str]]:
url = base_url + "?" + urllib.parse.urlencode(params)
req = urllib.request.Request(url, headers={"User-Agent": USER_AGENT})
try:
with urllib.request.urlopen(req, timeout=REQUEST_TIMEOUT_S) as resp:
status = resp.getcode()
body_bytes = resp.read()
try:
body = body_bytes.decode("utf-8", errors="replace")
except Exception:
body = body_bytes.decode("latin-1", errors="replace")
headers = {k.lower(): v for k, v in resp.getheaders()}
return status, body, headers
except urllib.error.HTTPError as e:
try:
body = e.read().decode("utf-8", errors="replace")
except Exception:
body = str(e)
return e.code, body, dict(e.headers or {})
except Exception as e:
return 0, str(e), {}
def http_get_root(base_url: str) -> Tuple[int, str, Dict[str, str]]:
req = urllib.request.Request(base_url, headers={"User-Agent": USER_AGENT})
try:
with urllib.request.urlopen(req, timeout=REQUEST_TIMEOUT_S) as resp:
status = resp.getcode()
body_bytes = resp.read()
try:
body = body_bytes.decode("utf-8", errors="replace")
except Exception:
body = body_bytes.decode("latin-1", errors="replace")
headers = {k.lower(): v for k, v in resp.getheaders()}
return status, body, headers
except urllib.error.HTTPError as e:
try:
body = e.read().decode("utf-8", errors="replace")
except Exception:
body = str(e)
return e.code, body, dict(e.headers or {})
except Exception as e:
return 0, str(e), {}
def coerce_preview(value: str, maxlen: int = 80) -> str:
v = value.strip().replace("\r", " ").replace("\n", " ")
return v if len(v) <= maxlen else (v[:maxlen - 1] + "…")
def parse_variable_names_from_html_index(html_text: str) -> List[str]:
tokens: List[str] = []
for m in re.finditer(r'href\s*=\s*["\']([^"\']+)["\']', html_text, flags=re.I):
href = m.group(1)
parsed = urllib.parse.urlparse(href)
qs = urllib.parse.parse_qs(parsed.query)
for v in qs.get("variable", []):
tokens.append(v)
for m in re.finditer(r'variable\s*=\s*["\']?([A-Za-z0-9_.:-]+)', html_text, flags=re.I):
tokens.append(m.group(1))
seen = set(); uniq: List[str] = []
for v in tokens:
vv = v.strip().strip(".,;)]}").strip().upper()
if vv and vv not in seen:
seen.add(vv); uniq.append(vv)
placeholders = {"VARNAME", "VARIABLE", "NAME"}
return [v for v in uniq if v not in placeholders]
def parse_function_names_from_html_index(html_text: str) -> List[str]:
start = html_text.find("==== POST ====")
if start == -1:
return []
post_html = html_text[start:]
names = re.findall(r"([A-Z0-9_]+)", post_html)
seen = set(); uniq: List[str] = []
for n in names:
if n not in seen:
seen.add(n); uniq.append(n)
placeholders = {"VARNAME", "VARIABLE", "NAME"}
return [v for v in uniq if v not in placeholders]
def extract_names(value_obj) -> List[str]:
"""Extract UPPERCASE names from JSON value that might be list/str/dict."""
out: List[str] = []
def add(name):
if not isinstance(name, str): return
name_u = name.strip().upper()
if name_u and name_u not in out:
out.append(name_u)
if isinstance(value_obj, list):
for item in value_obj:
if isinstance(item, str):
add(item)
elif isinstance(item, dict):
# Try common keys
for k in ("name","variable","var","id","func"):
if k in item and isinstance(item[k], str):
add(item[k])
elif isinstance(value_obj, dict):
# Could be {NAME: "...", NAME2: "..."}
for k in value_obj.keys():
add(k)
elif isinstance(value_obj, str):
for m in re.findall(r"[A-Z0-9_]+", value_obj.upper()):
add(m)
return out
def parse_get_post_from_weblist_json(body: str) -> Tuple[List[str], List[str]]:
try:
data = json.loads(body)
except Exception:
return [], []
if not isinstance(data, dict):
return [], []
get_candidates = []
post_candidates = []
for key, val in data.items():
k = str(key).strip().lower().rstrip(":")
if k == "get":
get_candidates.extend(extract_names(val))
elif k == "post":
post_candidates.extend(extract_names(val))
# dedupe while preserving order
seen=set(); get_out=[]
for v in get_candidates:
if v not in seen:
seen.add(v); get_out.append(v)
seen=set(); post_out=[]
for v in post_candidates:
if v not in seen:
seen.add(v); post_out.append(v)
return get_out, post_out
# =====================
# Data model
# =====================
@dataclass
class Thresholds:
dead_low: Optional[float] = None
low: Optional[float] = None
high: Optional[float] = None
extreme_high: Optional[float] = None
alarm_dead_low: bool = False
alarm_low: bool = False
alarm_high: bool = False
alarm_extreme_high: bool = True
action_dead_low: Optional[str] = None
value_dead_low: str = "1"
action_low: Optional[str] = None
value_low: str = "1"
action_high: Optional[str] = None
value_high: str = "1"
action_extreme_high: Optional[str] = None
value_extreme_high: str = "1"
@dataclass
class VarInfo:
name: str
last_value: str = ""
last_updated: float = 0.0
last_status: int = 0
error: Optional[str] = None
thresholds: Thresholds = field(default_factory=Thresholds)
last_state: str = "UNKNOWN"
@dataclass
class ActionTask:
name: str
value: str
interval_s: int
enabled: bool = True
last_run: float = 0.0
next_run: float = 0.0
task_id: int = 0
# =====================
# Scheduler thread
# =====================
class ActionScheduler(threading.Thread):
def __init__(self, get_base_url_cb):
super().__init__(daemon=True)
self.get_base_url_cb = get_base_url_cb
self.tasks: Dict[int, ActionTask] = {}
self._lock = threading.Lock()
self._stop = threading.Event()
self._counter = 1
def add_task(self, task: ActionTask) -> int:
with self._lock:
tid = self._counter
self._counter += 1
task.task_id = tid
now = time.time()
task.next_run = now if task.interval_s == 0 else now + task.interval_s
self.tasks[tid] = task
return tid
def remove_task(self, task_id: int) -> None:
with self._lock:
self.tasks.pop(task_id, None)
def list_tasks(self) -> List[ActionTask]:
with self._lock:
return list(self.tasks.values())
def set_enabled(self, task_id: int, enabled: bool) -> None:
with self._lock:
t = self.tasks.get(task_id)
if t:
t.enabled = enabled
if enabled and t.interval_s > 0:
t.next_run = time.time() + t.interval_s
def run_once(self, name: str, value: str) -> Tuple[int, str, Dict[str, str]]:
base = self.get_base_url_cb()
status, body, headers = http_get(base, {"variable": name, "value": value})
# If server expects POST, switch to POST: change to http_post() if needed in your env.
# status, body, headers = http_post(base, {"variable": name, "value": value})
return status, body, headers
def run(self) -> None:
while not self._stop.is_set():
to_run: List[ActionTask] = []
now = time.time()
with self._lock:
for t in self.tasks.values():
if t.enabled and t.next_run <= now:
to_run.append(t)
for t in to_run:
try:
status, body, _ = self.run_once(t.name, t.value)
t.last_run = now
if t.interval_s > 0:
t.next_run = now + t.interval_s
else:
self.remove_task(t.task_id)
except Exception:
if t.interval_s > 0:
t.next_run = now + t.interval_s
else:
self.remove_task(t.task_id)
time.sleep(0.25)
def stop(self) -> None:
self._stop.set()
# =====================
# Poller thread
# =====================
class Poller(threading.Thread):
def __init__(
self,
host: str,
port: int,
variables: List[str],
ui_queue: queue.Queue,
refresh_interval: int,
max_rps: float,
stop_event: threading.Event,
paused_event: threading.Event,
) -> None:
super().__init__(daemon=True)
self.host = host
self.port = port
self.variables = variables
self.ui_queue = ui_queue
self.refresh_interval = int(max(5, refresh_interval))
self.max_rps = max(0.5, max_rps)
self.stop_event = stop_event
self.paused_event = paused_event
def run(self) -> None:
base_url = build_base_url(self.host, self.port)
min_spacing = 1.0 / self.max_rps
while not self.stop_event.is_set():
cycle_start = time.time()
self.ui_queue.put(("cycle_start", datetime.now().strftime("%H:%M:%S")))
for name in list(self.variables):
while self.paused_event.is_set() and not self.stop_event.is_set():
time.sleep(0.1)
if self.stop_event.is_set():
break
attempt = 0
backoff = BACKOFF_BASE_S
while attempt <= MAX_RETRIES and not self.stop_event.is_set():
attempt += 1
t0 = time.time()
status, body, headers = http_get(base_url, {"variable": name})
if status == 200:
self.ui_queue.put(("update", name, body, status))
break
if status in (429, 500, 502, 503, 504, 0):
self.ui_queue.put(("error", name, status, coerce_preview(body, 200)))
time.sleep(backoff)
backoff = min(BACKOFF_MAX_S, backoff * 2.0)
else:
self.ui_queue.put(("error", name, status, coerce_preview(body, 200)))
break
dt = time.time() - t0
if dt < min_spacing:
time.sleep(min_spacing - dt)
dt = time.time() - t0
if dt < min_spacing:
time.sleep(min_spacing - dt)
cycle_dt = time.time() - cycle_start
remaining = self.refresh_interval - cycle_dt
if remaining > 0:
for _ in range(int(remaining * 10)):
if self.stop_event.is_set():
break
time.sleep(0.1)
self.ui_queue.put(("stopped", ""))
# =====================
# GUI
# =====================
def play_alarm_tone(level: str = "LOW") -> None:
try:
import winsound
freq = {"DEAD_LOW": 300, "LOW": 550, "HIGH": 800, "EXTREME_HIGH": 1000}.get(level, 600)
dur = 350 if level != "EXTREME_HIGH" else 600
winsound.Beep(freq, dur)
except Exception:
try:
root = tk._default_root
if root is not None:
root.bell()
except Exception:
pass
class App(tk.Tk):
def __init__(self) -> None:
super().__init__()
self.title("Control Board Monitor — v0.6")
self.geometry("1250x800")
self.vars: Dict[str, VarInfo] = {}
self.stop_event = threading.Event()
self.paused_event = threading.Event()
self.ui_queue: queue.Queue = queue.Queue()
self.poller: Optional[Poller] = None
self.variables_list: List[str] = []
self.functions_list: List[str] = []
self.scheduler = ActionScheduler(lambda: build_base_url(self.host_var.get().strip(), int(self.port_var.get())))
self.scheduler.start()
controls = ttk.Frame(self, padding=10)
controls.pack(side=tk.TOP, fill=tk.X)
self.host_var = tk.StringVar(value=SERVER_HOST)
self.port_var = tk.IntVar(value=SERVER_PORT)
self.refresh_var = tk.IntVar(value=REFRESH_INTERVAL_S)
self.rps_var = tk.DoubleVar(value=MAX_RPS)
ttk.Label(controls, text="Host:").grid(row=0, column=0, sticky="w")
ttk.Entry(controls, textvariable=self.host_var, width=16).grid(row=0, column=1, padx=(0, 10))
ttk.Label(controls, text="Port:").grid(row=0, column=2, sticky="w")
ttk.Entry(controls, textvariable=self.port_var, width=8).grid(row=0, column=3, padx=(0, 10))
ttk.Label(controls, text="Refresh (s):").grid(row=0, column=4, sticky="w")
ttk.Entry(controls, textvariable=self.refresh_var, width=8).grid(row=0, column=5, padx=(0, 10))
ttk.Label(controls, text="Max RPS:").grid(row=0, column=6, sticky="w")
ttk.Entry(controls, textvariable=self.rps_var, width=8).grid(row=0, column=7, padx=(0, 10))
self.status_lbl = ttk.Label(controls, text="Idle", foreground="#666")
self.status_lbl.grid(row=0, column=8, padx=(10, 0))
btns = ttk.Frame(controls)
btns.grid(row=0, column=9, padx=10, sticky="e")
ttk.Button(btns, text="Select Vars…", command=self.open_selector).grid(row=0, column=0, padx=4)
ttk.Button(btns, text="Reload (disc.)", command=self.reload_discovery).grid(row=0, column=1, padx=4)
self.start_btn = ttk.Button(btns, text="Start", command=self.start_polling)
self.start_btn.grid(row=0, column=2, padx=4)
self.pause_btn = ttk.Button(btns, text="Pause", command=self.toggle_pause, state="disabled")
self.pause_btn.grid(row=0, column=3, padx=4)
main = ttk.Panedwindow(self, orient=tk.VERTICAL)
main.pack(side=tk.TOP, fill=tk.BOTH, expand=True, padx=10, pady=(0,10))
search_frame = ttk.Frame(self, padding=(0, 6, 0, 6))
ttk.Label(search_frame, text="Filter:").pack(side=tk.LEFT)
self.filter_var = tk.StringVar(value="")
self.filter_var.trace_add("write", lambda *_: self.refresh_tree())
ttk.Entry(search_frame, textvariable=self.filter_var, width=50).pack(side=tk.LEFT, padx=8)
top_frame = ttk.Frame(main)
search_frame.pack(in_=top_frame, side=tk.TOP, fill=tk.X)
columns = ("value", "updated", "status")
self.tree = ttk.Treeview(top_frame, columns=columns, show="tree headings", height=18)
self.tree.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
self.tree.heading("#0", text="Variable")
self.tree.heading("value", text="Value")
self.tree.heading("updated", text="Updated")
self.tree.heading("status", text="HTTP")
self.tree.column("#0", width=480, anchor="w")
self.tree.column("value", width=480, anchor="w")
self.tree.column("updated", width=120, anchor="center")
self.tree.column("status", width=60, anchor="center")
style = ttk.Style(self)
try:
style.theme_use("clam")
except Exception:
pass
self.tree.tag_configure("ok", background="#eaffea")
self.tree.tag_configure("bad", background="#ffecec")
self.tree.tag_configure("neutral", background="#f5f7fb")
self.tree_menu = tk.Menu(self, tearoff=False)
self.tree_menu.add_command(label="Set thresholds & alarms…", command=self.open_thresholds_dialog)
self.tree.bind("", self.on_tree_right_click)
bottom = ttk.Frame(main)
act_controls = ttk.Frame(bottom, padding=(0,6,0,6))
ttk.Label(act_controls, text="Function:").pack(side=tk.LEFT)
self.func_name_var = tk.StringVar(value="")
self.func_combo = ttk.Combobox(act_controls, textvariable=self.func_name_var, width=40, state="readonly")
self.func_combo.pack(side=tk.LEFT, padx=6)
ttk.Label(act_controls, text="Value:").pack(side=tk.LEFT)
self.func_value_var = tk.StringVar(value="1")
ttk.Entry(act_controls, textvariable=self.func_value_var, width=10).pack(side=tk.LEFT, padx=6)
ttk.Button(act_controls, text="Run Once", command=self.run_func_once).pack(side=tk.LEFT, padx=4)
ttk.Button(act_controls, text="Schedule…", command=self.add_schedule_dialog).pack(side=tk.LEFT, padx=4)
columns2 = ("value", "mode", "interval", "next", "enabled")
self.actions_tree = ttk.Treeview(bottom, columns=columns2, show="headings", height=10)
for col, hdr, w in zip(columns2, ["Value", "Mode", "Interval(s)", "Next Run", "Enabled"], [160, 100, 100, 180, 80]):
self.actions_tree.heading(col, text=hdr)
self.actions_tree.column(col, width=w, anchor="center")
self.actions_tree.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
act_controls.pack(side=tk.TOP, fill=tk.X)
self.actions_menu = tk.Menu(self, tearoff=False)
self.actions_menu.add_command(label="Toggle Enable/Disable", command=self.toggle_selected_task)
self.actions_menu.add_command(label="Run Now", command=self.run_selected_task_now)
self.actions_menu.add_command(label="Remove", command=self.remove_selected_task)
self.actions_tree.bind("", self.on_actions_right_click)
main.add(top_frame, weight=3)
main.add(bottom, weight=2)
footer = ttk.Frame(self, padding=10)
footer.pack(side=tk.BOTTOM, fill=tk.X)
self.cycle_lbl = ttk.Label(footer, text="Last cycle: —")
self.cycle_lbl.pack(side=tk.LEFT)
self.protocol("WM_DELETE_WINDOW", self.on_close)
self.functions_list = list(DEFAULT_FUNCTIONS)
self.func_combo["values"] = self.functions_list
# --- Discovery ---
def reload_discovery(self) -> None:
host = self.host_var.get().strip()
port = int(self.port_var.get())
base = build_base_url(host, port)
discovered_vars: List[str] = []
discovered_funcs: List[str] = []
msgs = []
# 1) WEBSERVER_GET_JSON — source of truth for GET/POST
status, body, _ = http_get(base, {"variable": "WEBSERVER_LIST_FUNCTIONS_JSON"})
if status == 200 and body:
v_get, v_post = parse_get_post_from_weblist_json(body)
discovered_vars.extend(v_get)
discovered_funcs.extend(v_post)
else:
msgs.append(f"GET_JSON HTTP {status}: {coerce_preview(body, 120)}")
# 2) Fallback to main page parse (HTML links and POST section)
if not discovered_vars or not discovered_funcs:
s2, b2, _2 = http_get_root(base)
if s2 == 200 and b2:
if not discovered_vars:
discovered_vars = parse_variable_names_from_html_index(b2) or discovered_vars
if not discovered_funcs:
discovered_funcs = parse_function_names_from_html_index(b2) or discovered_funcs
else:
msgs.append(f"Main page HTTP {s2}: {coerce_preview(b2, 120)}")
# 3) Final fallback to embedded defaults
used_defaults = False
if not discovered_vars:
discovered_vars = list(DEFAULT_VARS)
used_defaults = True
if not discovered_funcs:
discovered_funcs = list(DEFAULT_FUNCTIONS)
# Apply
self.functions_list = discovered_funcs
self.func_combo["values"] = self.functions_list
self.show_selector_dialog(discovered_vars)
# Status
if used_defaults:
messagebox.showwarning(
"Discovery fallback",
"Could not discover variables/functions from WEBSERVER_GET_JSON or main page.\n"
"Loaded embedded defaults so you can proceed.\n\n" + ("\n".join(msgs[:6]) if msgs else ""))
self.status_lbl.configure(text=f"Loaded defaults ({len(discovered_vars)} vars, {len(discovered_funcs)} funcs)")
else:
self.status_lbl.configure(text=f"Discovered via GET_JSON: vars {len(discovered_vars)} | funcs {len(discovered_funcs)}")
# --- Select Vars dialog ---
def open_selector(self) -> None:
union = sorted(set(self.variables_list) | set(self.vars.keys()))
if not union:
union = list(DEFAULT_VARS)
self.show_selector_dialog(union)
def show_selector_dialog(self, discovered: List[str]) -> None:
dlg = tk.Toplevel(self)
dlg.title("Select Variables to Monitor")
dlg.geometry("600x520")
dlg.transient(self)
dlg.grab_set()
top = ttk.Frame(dlg, padding=8)
top.pack(side=tk.TOP, fill=tk.X)
ttk.Label(top, text="Filter:").pack(side=tk.LEFT)
filt_var = tk.StringVar(value="")
ttk.Entry(top, textvariable=filt_var, width=40).pack(side=tk.LEFT, padx=6)
sel_all = ttk.Button(top, text="Select All")
sel_none = ttk.Button(top, text="Clear")
sel_all.pack(side=tk.LEFT, padx=4); sel_none.pack(side=tk.LEFT, padx=4)
frame = ttk.Frame(dlg)
frame.pack(side=tk.TOP, fill=tk.BOTH, expand=True, padx=8, pady=8)
canvas = tk.Canvas(frame, borderwidth=0)
vsb = ttk.Scrollbar(frame, orient="vertical", command=canvas.yview)
inner = ttk.Frame(canvas)
inner.bind("", lambda e: canvas.configure(scrollregion=canvas.bbox("all")))
canvas.create_window((0,0), window=inner, anchor="nw")
canvas.configure(yscrollcommand=vsb.set)
canvas.pack(side="left", fill="both", expand=True); vsb.pack(side="right", fill="y")
current_set = set(self.variables_list or list(self.vars.keys()))
rows: List[Tuple[str, tk.BooleanVar, ttk.Checkbutton]] = []
def rebuild():
for child in inner.winfo_children():
child.destroy()
rows.clear()
f = filt_var.get().strip().upper()
for name in discovered:
if f and f not in name.upper():
continue
var = tk.BooleanVar(value=name in current_set)
cb = ttk.Checkbutton(inner, text=name, variable=var)
cb.pack(anchor="w", pady=2, padx=4)
rows.append((name, var, cb))
rebuild()
def on_filter(*_):
rebuild()
filt_var.trace_add("write", on_filter)
sel_all.configure(command=lambda: [v.set(True) for _, v, _ in rows])
sel_none.configure(command=lambda: [v.set(False) for _, v, _ in rows])
bot = ttk.Frame(dlg, padding=8)
bot.pack(side=tk.BOTTOM, fill=tk.X)
def apply_and_close():
selected = [name for name, var, _ in rows if var.get()]
if not selected:
if not messagebox.askyesno("Empty selection", "No variables selected. Continue?"):
return
self.variables_list = selected
self.vars = {v: self.vars.get(v, VarInfo(name=v)) for v in self.variables_list}
self.refresh_tree()
dlg.destroy()
ttk.Button(bot, text="Apply", command=apply_and_close).pack(side=tk.RIGHT, padx=4)
ttk.Button(bot, text="Cancel", command=dlg.destroy).pack(side=tk.RIGHT, padx=4)
# --- Thresholds/Alarms ---
def on_tree_right_click(self, event):
try:
iid = self.tree.identify_row(event.y)
if iid:
self.tree.selection_set(iid)
finally:
self.tree_menu.tk_popup(event.x_root, event.y_root)
def open_thresholds_dialog(self):
sel = self.tree.selection()
if not sel:
messagebox.showinfo("No selection", "Select a variable first.")
return
item = sel[0]
name = self.tree.item(item, "text")
if not name or "_" not in name:
messagebox.showinfo("Select variable", "Select a specific variable row (not a group).")
return
if name.endswith("]") and "[" in name:
name = name[:name.rfind("[")].strip()
vi = self.vars.get(name) or VarInfo(name=name)
dlg = tk.Toplevel(self)
dlg.title(f"Thresholds & Alarms — {name}")
dlg.geometry("560x520")
dlg.transient(self); dlg.grab_set()
t = vi.thresholds
grid = ttk.Frame(dlg, padding=10)
grid.pack(side=tk.TOP, fill=tk.BOTH, expand=True)
entries = {}
def add_row(r, label, key, default):
ttk.Label(grid, text=label).grid(row=r, column=0, sticky="w", pady=4)
sv = tk.StringVar(value="" if default is None else str(default))
e = ttk.Entry(grid, textvariable=sv, width=12)
e.grid(row=r, column=1, sticky="w", padx=6)
entries[key] = sv
add_row(0, "DEAD LOW", "dead_low", t.dead_low)
add_row(1, "LOW", "low", t.low)
add_row(2, "HIGH", "high", t.high)
add_row(3, "EXTREME HIGH", "extreme_high", t.extreme_high)
ttk.Label(grid, text="Alarm on enter:").grid(row=4, column=0, sticky="w", pady=(12,4))
alarm_vars = {}
for i, (lbl, key, val) in enumerate([("Dead Low", "alarm_dead_low", t.alarm_dead_low),
("Low", "alarm_low", t.alarm_low),
("High", "alarm_high", t.alarm_high),
("Extreme High", "alarm_extreme_high", t.alarm_extreme_high)]):
var = tk.BooleanVar(value=val)
ttk.Checkbutton(grid, text=lbl, variable=var).grid(row=5+i//2, column=i%2+0, sticky="w", padx=6, pady=2)
alarm_vars[key] = var
ttk.Label(grid, text="On enter, run function:").grid(row=7, column=0, sticky="w", pady=(12,4))
rows = [("Dead Low", "action_dead_low", "value_dead_low"),
("Low", "action_low", "value_low"),
("High", "action_high", "value_high"),
("Extreme High", "action_extreme_high", "value_extreme_high")]
action_vars = {}
value_vars = {}
for i, (label, action_key, value_key) in enumerate(rows):
ttk.Label(grid, text=label).grid(row=8+i, column=0, sticky="w", pady=2)
s = ttk.Combobox(grid, values=self.functions_list or DEFAULT_FUNCTIONS, width=38, state="readonly")
s.set(getattr(t, action_key) or "")
s.grid(row=8+i, column=1, sticky="w", padx=6)
action_vars[action_key] = s
sv = tk.StringVar(value=getattr(t, value_key))
ttk.Entry(grid, textvariable=sv, width=12).grid(row=8+i, column=2, sticky="w", padx=6)
value_vars[value_key] = sv
def save_and_close():
def _f(v):
v = v.strip()
return float(v) if v else None
nt = Thresholds(
dead_low=_f(entries["dead_low"].get()),
low=_f(entries["low"].get()),
high=_f(entries["high"].get()),
extreme_high=_f(entries["extreme_high"].get()),
alarm_dead_low=alarm_vars["alarm_dead_low"].get(),
alarm_low=alarm_vars["alarm_low"].get(),
alarm_high=alarm_vars["alarm_high"].get(),
alarm_extreme_high=alarm_vars["alarm_extreme_high"].get(),
action_dead_low=action_vars["action_dead_low"].get() or None,
value_dead_low=value_vars["value_dead_low"].get(),
action_low=action_vars["action_low"].get() or None,
value_low=value_vars["value_low"].get(),
action_high=action_vars["action_high"].get() or None,
value_high=value_vars["value_high"].get(),
action_extreme_high=action_vars["action_extreme_high"].get() or None,
value_extreme_high=value_vars["value_extreme_high"].get(),
)
vi.thresholds = nt
self.vars[name] = vi
dlg.destroy()
btns = ttk.Frame(dlg, padding=10)
btns.pack(side=tk.BOTTOM, fill=tk.X)
ttk.Button(btns, text="Save", command=save_and_close).pack(side=tk.RIGHT, padx=4)
ttk.Button(btns, text="Cancel", command=dlg.destroy).pack(side=tk.RIGHT, padx=4)
# --- Actions (Run Once / Schedule) ---
def on_actions_right_click(self, event):
try:
iid = self.actions_tree.identify_row(event.y)
if iid:
self.actions_tree.selection_set(iid)
finally:
self.actions_menu.tk_popup(event.x_root, event.y_root)
def toggle_selected_task(self):
sel = self.actions_tree.selection()
if not sel: return
tid = int(sel[0])
tasks = {t.task_id: t for t in self.scheduler.list_tasks()}
t = tasks.get(tid);
if not t: return
self.scheduler.set_enabled(tid, not t.enabled)
self.refresh_actions_tree()
def run_selected_task_now(self):
sel = self.actions_tree.selection()
if not sel: return
tid = int(sel[0])
tasks = {t.task_id: t for t in self.scheduler.list_tasks()}
t = tasks.get(tid)
if not t: return
status, body, _ = self.scheduler.run_once(t.name, t.value)
messagebox.showinfo("Run Now", f"{t.name}={t.value}\nHTTP {status}\n{coerce_preview(body, 300)}")
def remove_selected_task(self):
sel = self.actions_tree.selection()
if not sel: return
tid = int(sel[0])
self.scheduler.remove_task(tid)
self.refresh_actions_tree()
def refresh_actions_tree(self):
self.actions_tree.delete(*self.actions_tree.get_children())
for t in self.scheduler.list_tasks():
mode = "Interval" if t.interval_s > 0 else "Once"
next_s = ("—" if t.interval_s == 0 else datetime.fromtimestamp(t.next_run).strftime("%H:%M:%S"))
self.actions_tree.insert("", "end", iid=str(t.task_id), values=(t.value, mode, t.interval_s, next_s, "Yes" if t.enabled else "No"))
# --- Poller control / rendering ---
def start_polling(self) -> None:
if hasattr(self, "poller") and self.poller and self.poller.is_alive():
messagebox.showinfo("Already running", "Polling is already active.")
return
if not self.variables_list:
messagebox.showwarning("No variables", "Variable list is empty. Use Select Vars… first.")
return
self.stop_event.clear()
self.paused_event.clear()
self.poller = Poller(
host=self.host_var.get().strip(),
port=int(self.port_var.get()),
variables=self.variables_list,
ui_queue=self.ui_queue,
refresh_interval=int(self.refresh_var.get()),
max_rps=float(self.rps_var.get()),
stop_event=self.stop_event,
paused_event=self.paused_event,
)
self.poller.start()
self.start_btn.configure(state="disabled")
self.pause_btn.configure(state="normal", text="Pause")
self.status_lbl.configure(text="Running…")
self.after(100, self.drain_queue)
def toggle_pause(self) -> None:
if not (self.poller and self.poller.is_alive()):
return
if self.paused_event.is_set():
self.paused_event.clear()
self.pause_btn.configure(text="Pause")
self.status_lbl.configure(text="Running…")
else:
self.paused_event.set()
self.pause_btn.configure(text="Resume")
self.status_lbl.configure(text="Paused")
def drain_queue(self) -> None:
try:
while True:
item = self.ui_queue.get_nowait()
kind = item[0]
if kind == "update":
_, name, value, status = item
vi = self.vars.get(name) or VarInfo(name=name)
vi.last_value = value
vi.last_updated = time.time()
vi.last_status = status
vi.error = None
self.vars[name] = vi
self.evaluate_thresholds(name, value)
elif kind == "error":
_, name, status, msg = item
vi = self.vars.get(name) or VarInfo(name=name)
vi.last_status = status
vi.error = msg
vi.last_updated = time.time()
self.vars[name] = vi
elif kind == "cycle_start":
_, hhmmss = item
self.cycle_lbl.configure(text=f"Last cycle start: {hhmmss}")
elif kind == "stopped":
self.status_lbl.configure(text="Stopped")
self.ui_queue.task_done()
except queue.Empty:
pass
self.refresh_tree()
self.refresh_actions_tree()
if self.poller and self.poller.is_alive():
self.after(250, self.drain_queue)
def stop_polling(self) -> None:
if self.poller and self.poller.is_alive():
self.stop_event.set()
for _ in range(20):
if not self.poller.is_alive():
break
time.sleep(0.05)
self.start_btn.configure(state="normal")
self.pause_btn.configure(state="disabled", text="Pause")
def evaluate_thresholds(self, name: str, value: str) -> None:
vi = self.vars.get(name)
if not vi:
return
t = vi.thresholds
x = parse_first_float(value)
if x is None:
new_state = "NORMAL"
else:
new_state = "NORMAL"
if t.dead_low is not None and x <= t.dead_low:
new_state = "DEAD_LOW"
elif t.low is not None and x <= t.low:
new_state = "LOW"
elif t.extreme_high is not None and x >= t.extreme_high:
new_state = "EXTREME_HIGH"
elif t.high is not None and x >= t.high:
new_state = "HIGH"
if new_state != vi.last_state:
self.on_enter_state(name, new_state, vi)
vi.last_state = new_state
def on_enter_state(self, name: str, state: str, vi: VarInfo) -> None:
t = vi.thresholds
alarm_map = {
"DEAD_LOW": t.alarm_dead_low,
"LOW": t.alarm_low,
"HIGH": t.alarm_high,
"EXTREME_HIGH": t.alarm_extreme_high,
}
if alarm_map.get(state):
try:
play_alarm_tone(state)
except Exception:
pass
act_map = {
"DEAD_LOW": (t.action_dead_low, t.value_dead_low),
"LOW": (t.action_low, t.value_low),
"HIGH": (t.action_high, t.value_high),
"EXTREME_HIGH": (t.action_extreme_high, t.value_extreme_high),
}
act, val = act_map.get(state, (None, "1"))
if act:
# one-shot task
self.scheduler.add_task(ActionTask(name=act, value=val, interval_s=0))
def refresh_tree(self) -> None:
self.tree.delete(*self.tree.get_children())
groups: Dict[str, List[VarInfo]] = {}
filt = self.filter_var.get().strip().upper()
for name, vi in self.vars.items():
if filt and filt not in name.upper():
if vi.last_value and filt not in vi.last_value.upper():
continue
prefix = name.split("_", 1)[0] if "_" in name else "MISC"
groups.setdefault(prefix, []).append(vi)
for g in sorted(groups.keys()):
parent = self.tree.insert("", "end", text=g, values=("", "", ""), open=True)
for vi in sorted(groups[g], key=lambda x: x.name):
updated_str = "—"
if vi.last_updated:
updated_str = datetime.fromtimestamp(vi.last_updated).strftime("%H:%M:%S")
if vi.error:
value_preview = f"[ERR] {vi.error}"
else:
value_preview = coerce_preview(vi.last_value, 120)
tag = "neutral"
if vi.error:
tag = "bad"
else:
tag = "ok" if value_preview not in ("",) else "neutral"
suffix = "" if vi.last_state in {"UNKNOWN", "NORMAL"} else f" [{vi.last_state}]"
self.tree.insert(
parent,
"end",
text=vi.name + suffix,
values=(value_preview, updated_str, vi.last_status or "—"),
tags=(tag,),
)
def on_close(self) -> None:
try:
if self.poller and self.poller.is_alive():
self.stop_event.set()
except Exception:
pass
try:
self.scheduler.stop()
except Exception:
pass
self.destroy()
# --- Minor parsing utility ---
def parse_first_float(value: str) -> Optional[float]:
m = re.search(r"[-+]?\d+(?:\.\d+)?", value.replace(",", "."))
if m:
try:
return float(m.group(0))
except Exception:
return None
return None
def main() -> None:
app = App()
app.mainloop()
if __name__ == "__main__":
main()