update

master.py

@@ -52,17 +52,73 @@ Specific scripts can be disabled with config.json
 import time
 import threading
 import subprocess
-import json
 import os
+import sqlite3
+
 
 # Base directory where scripts are stored
 SCRIPT_DIR = "/var/www/nebuleair_pro_4g/"
-CONFIG_FILE = "/var/www/nebuleair_pro_4g/config.json"
+DB_PATH = "/var/www/nebuleair_pro_4g/sqlite/sensors.db"
+
+# Lock file path for SARA script
+SARA_LOCK_FILE = "/var/www/nebuleair_pro_4g/sara_script.lock"
+
+
+def is_script_enabled(script_name):
+    """Check if a script is enabled in the database."""
+    try:
+        conn = sqlite3.connect(DB_PATH)
+        cursor = conn.cursor()
+        
+        cursor.execute(
+            "SELECT enabled FROM config_scripts_table WHERE script_path = ?",
+            (script_name,)
+        )
+        
+        result = cursor.fetchone()
+        conn.close()
+        
+        if result is None:
+            return True  # Default to enabled if not found in database
+        
+        return bool(result[0])
+    except Exception:
+        # If any database error occurs, default to enabled
+        return True
+
+
+def create_lock_file():
+    """Create a lock file for the SARA script."""
+    with open(SARA_LOCK_FILE, 'w') as f:
+        f.write(str(int(time.time())))
+
+
+def remove_lock_file():
+    """Remove the SARA script lock file."""
+    if os.path.exists(SARA_LOCK_FILE):
+        os.remove(SARA_LOCK_FILE)
+
+
+def is_script_locked():
+    """Check if the SARA script is currently locked."""
+    if not os.path.exists(SARA_LOCK_FILE):
+        return False
+    
+    # Check if lock is older than 60 seconds (stale)
+    with open(SARA_LOCK_FILE, 'r') as f:
+        try:
+            lock_time = int(f.read().strip())
+            if time.time() - lock_time > 60:
+                # Lock is stale, remove it
+                remove_lock_file()
+                return False
+        except ValueError:
+            # Invalid lock file content
+            remove_lock_file()
+            return False
+    
+    return True
 
-def load_config():
-    """Load the configuration file to determine which scripts to run."""
-    with open(CONFIG_FILE, "r") as f:
-        return json.load(f)
 
 def run_script(script_name, interval, delay=0):
     """Run a script in a synchronized loop with an optional start delay."""
@@ -70,33 +126,41 @@ def run_script(script_name, interval, delay=0):
     next_run = time.monotonic() + delay  # Apply the initial delay
 
     while True:
-        config = load_config()
-        if config.get(script_name, True):  # Default to True if not found
-            subprocess.run(["python3", script_path])
+        if is_script_enabled(script_name):
+            # Special handling for SARA script to prevent concurrent runs
+            if script_name == "loop/SARA_send_data_v2.py":
+                if not is_script_locked():
+                    create_lock_file()
+                    try:
+                        subprocess.run(["python3", script_path])
+                    finally:
+                        remove_lock_file()
+            else:
+                # Run other scripts normally
+                subprocess.run(["python3", script_path])
         
         # Wait until the next exact interval
         next_run += interval
         sleep_time = max(0, next_run - time.monotonic())  # Prevent negative sleep times
         time.sleep(sleep_time)
 
+
 # Define scripts and their execution intervals (seconds)
 SCRIPTS = [
-    #("RTC/save_to_db.py", 1, 0),                # --> will run as a separated system service (rtc_save_to_db.service)
-    ("NPM/get_data_modbus_v3.py", 10, 0),       # Get NPM data (modbus 5 channels) every 10s, with 2s delay
-    ("envea/read_value_v2.py", 10, 0),          # Get NPM data (modbus 5 channels) every 10s, with 2s delay
-    ("loop/SARA_send_data_v2.py", 60, 1),       # Send data every 60 seconds, with 2s delay
-    ("BME280/get_data_v2.py", 120, 0),          # Get BME280 data every 120 seconds, no delay
-    ("MPPT/read.py", 120, 0),                   # Get MPPT data every 120 seconds, no delay
-    #("windMeter/read.py", 60, 2),               # --> will run as a separated system service ()
-    ("sqlite/flush_old_data.py", 86400, 0)        # flush old data inside db every day ()
+    # Format: (script_name, interval_in_seconds, start_delay_in_seconds)
+    ("NPM/get_data_modbus_v3.py", 10, 0),       # Get NPM data (modbus 5 channels) every 10s
+    ("envea/read_value_v2.py", 10, 0),          # Get Envea data every 10s
+    ("loop/SARA_send_data_v2.py", 60, 1),       # Send data every 60 seconds, with 1s delay
+    ("BME280/get_data_v2.py", 120, 0),          # Get BME280 data every 120 seconds
+    ("MPPT/read.py", 120, 0),                   # Get MPPT data every 120 seconds
+    ("sqlite/flush_old_data.py", 86400, 0)      # Flush old data inside db every day
 ]
 
-# Start threads for enabled scripts
+# Start threads for scripts
 for script_name, interval, delay in SCRIPTS:
     thread = threading.Thread(target=run_script, args=(script_name, interval, delay), daemon=True)
     thread.start()
 
 # Keep the main script running
 while True:
-    time.sleep(1)
-
+    time.sleep(1)