86 lines
3.1 KiB
Python
86 lines
3.1 KiB
Python
"""
|
|
Device information management
|
|
Handles hostname, IP address, and device configuration
|
|
"""
|
|
|
|
import socket
|
|
import os
|
|
from config_settings import DEVICE_INFO_FILE
|
|
|
|
|
|
def get_device_info():
|
|
"""
|
|
Get hostname and device IP with file-based fallback
|
|
Returns tuple: (hostname, device_ip)
|
|
"""
|
|
hostname = None
|
|
device_ip = None
|
|
|
|
# Try to get current hostname and IP
|
|
try:
|
|
hostname = socket.gethostname()
|
|
device_ip = socket.gethostbyname(hostname)
|
|
print(f"Successfully resolved - Hostname: {hostname}, IP: {device_ip}")
|
|
|
|
# Save the working values to file for future fallback
|
|
try:
|
|
os.makedirs(os.path.dirname(DEVICE_INFO_FILE), exist_ok=True)
|
|
with open(DEVICE_INFO_FILE, "w") as f:
|
|
f.write(f"{hostname}\n{device_ip}\n")
|
|
print(f"Saved device info to {DEVICE_INFO_FILE}")
|
|
except Exception as e:
|
|
print(f"Warning: Could not save device info to file: {e}")
|
|
|
|
return hostname, device_ip
|
|
|
|
except socket.gaierror as e:
|
|
print(f"Socket error occurred: {e}")
|
|
print("Attempting to load device info from file...")
|
|
|
|
# Try to load from file
|
|
try:
|
|
with open(DEVICE_INFO_FILE, "r") as f:
|
|
lines = f.read().strip().split('\n')
|
|
if len(lines) >= 2:
|
|
hostname = lines[0].strip()
|
|
device_ip = lines[1].strip()
|
|
print(f"Loaded from file - Hostname: {hostname}, IP: {device_ip}")
|
|
return hostname, device_ip
|
|
else:
|
|
print("File exists but doesn't contain valid data")
|
|
except FileNotFoundError:
|
|
print(f"No fallback file found at {DEVICE_INFO_FILE}")
|
|
except Exception as e:
|
|
print(f"Error reading fallback file: {e}")
|
|
|
|
except Exception as e:
|
|
print(f"Unexpected error getting device info: {e}")
|
|
|
|
# Try to load from file as fallback
|
|
try:
|
|
with open(DEVICE_INFO_FILE, "r") as f:
|
|
lines = f.read().strip().split('\n')
|
|
if len(lines) >= 2:
|
|
hostname = lines[0].strip()
|
|
device_ip = lines[1].strip()
|
|
print(f"Loaded from file after error - Hostname: {hostname}, IP: {device_ip}")
|
|
return hostname, device_ip
|
|
except Exception as file_error:
|
|
print(f"Could not load from file: {file_error}")
|
|
|
|
# Final fallback if everything fails
|
|
print("All methods failed - Using default values")
|
|
hostname = hostname or "unknown-device"
|
|
device_ip = "127.0.0.1"
|
|
|
|
# Try to save these default values for next time
|
|
try:
|
|
os.makedirs(os.path.dirname(DEVICE_INFO_FILE), exist_ok=True)
|
|
with open(DEVICE_INFO_FILE, "w") as f:
|
|
f.write(f"{hostname}\n{device_ip}\n")
|
|
print(f"Saved fallback values to {DEVICE_INFO_FILE}")
|
|
except Exception as e:
|
|
print(f"Could not save fallback values: {e}")
|
|
|
|
return hostname, device_ip
|