add new app

device_status_checker.py

@@ -0,0 +1,114 @@
+import paho.mqtt.client as mqtt
+import time
+import os
+from collections import Counter
+
+def get_modbus_devices():
+    devices = {}
+    def on_connect(client, userdata, flags, rc):
+        client.subscribe("/devices/+/meta/driver")
+
+    def on_message(client, userdata, msg):
+        if msg.payload.decode() == "wb-modbus":
+            device_name = msg.topic.split('/')[2]
+            devices[device_name] = {}
+
+    client = mqtt.Client()
+    client.on_connect = on_connect
+    client.on_message = on_message
+    client.connect("192.168.98.244", 1883, 60)
+    client.loop_start()
+    time.sleep(3)
+    client.loop_stop()
+    client.unsubscribe("/devices/+/meta/driver")
+    client.disconnect()
+    return devices
+
+def get_all_controls(devices):
+    def on_connect(client, userdata, flags, rc):
+        for device in devices.keys():
+            client.subscribe(f"/devices/{device}/controls/+")
+
+    def on_message(client, userdata, msg):
+        device = msg.topic.split('/')[2]
+        control = msg.topic.split('/')[-1]
+        devices[device][control] = "noerror"
+
+    client = mqtt.Client()
+    client.on_connect = on_connect
+    client.on_message = on_message
+    client.connect("192.168.98.244", 1883, 60)
+    client.loop_start()
+    time.sleep(0.5)
+    client.loop_stop()
+    for device in devices.keys():
+        client.unsubscribe(f"/devices/{device}/controls/+")
+    client.disconnect()
+    return devices
+
+def get_all_controls_errors(devices):
+    def on_connect(client, userdata, flags, rc):
+        for device, controls in devices.items():
+            for control in controls.keys():
+                client.subscribe(f"/devices/{device}/controls/{control}/meta/error")
+
+    def on_message(client, userdata, msg):
+        error = msg.payload.decode()
+        device = msg.topic.split('/')[2]
+        control = msg.topic.split('/')[4]
+        if any(char in error for char in ['r', 'w']):
+            devices[device][control] = "readwriteerror"
+        elif error == "p":
+            devices[device][control] = "perioderror"
+        else:
+            devices[device][control] = "noerror"
+
+    client = mqtt.Client()
+    client.on_connect = on_connect
+    client.on_message = on_message
+    client.connect("192.168.98.244", 1883, 60)
+    client.loop_start()
+
+def sort_devices(devices):
+    sorted_devices = sorted(devices.items(), key=lambda item: item[0])
+    sorted_devices = sorted(sorted_devices, key=lambda item: sum(value == "readwriteerror" for value in item[1].values()), reverse=True)
+    return sorted_devices
+
+
+print("Get devices...")
+devices = get_modbus_devices()
+print("Get controls...")
+devices = get_all_controls(devices)
+print("Subscribe errors...")
+get_all_controls_errors(devices)
+
+lines_printed = 0
+while True:
+    time.sleep(1)
+    # Move the cursor up and clear the line for each line printed in the last iteration
+    for _ in range(lines_printed):
+        print("\033[F\033[K", end="")
+    lines_printed = 0
+
+    print("Device error status:")
+    lines_printed += 1
+    sorted_devices = sort_devices(devices)
+    max_device_name_length = max(len(device) for device, _ in sorted_devices)
+    print(f"+{'-'*(max_device_name_length+2)}+{'-'*7}+{'-'*7}+{'-'*8}+{'-'*8}+")
+    print(f"| {'Device':<{max_device_name_length}} | {'All':<5} | {'R/W':<5} | {'Period':<5} | {'Normal':<5} |")
+    print(f"+{'-'*(max_device_name_length+2)}+{'-'*7}+{'-'*7}+{'-'*8}+{'-'*8}+")
+    lines_printed += 3
+    for device, controls in sorted_devices:
+        error_counter = Counter(controls.values())
+        normal = len(controls) - error_counter['readwriteerror']
+        if normal != len(controls):
+            if normal == 0:
+                print("\033[31m", end="")  # Start red color
+            print(f"| {device:<{max_device_name_length}} | {len(controls):<5} | {error_counter['readwriteerror']:<5} | {error_counter['perioderror']:<6} | {normal:<6} |")
+            lines_printed += 1
+            if normal == 0:
+                print("\033[0m", end="")  # Reset color
+
+    print(f"+{'-'*(max_device_name_length+2)}+{'-'*7}+{'-'*7}+{'-'*8}+{'-'*8}+")
+    lines_printed += 1
+