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from pyngrok import ngrok, conf
import psutil
import time
import os
import json
import yaml
import requests
from requests.exceptions import ConnectionError
class TunnelManager:
DEFAULT_PORT = 5000
_current_tunnel = None
_ngrok_process = None
@staticmethod
def load_config():
"""Carga la configuración desde config.yaml"""
try:
config_path = os.path.join(os.path.dirname(__file__), 'config.yaml')
with open(config_path, 'r') as f:
return yaml.safe_load(f)
except Exception as e:
print(f"Error al cargar config.yaml: {e}")
return {}
@staticmethod
def setup_ngrok():
"""Configura ngrok con el token del archivo config.yaml"""
config = TunnelManager.load_config()
token = config.get('NGROK_TOKEN')
if token:
try:
ngrok.set_auth_token(token)
return True
except Exception as e:
print(f"Error al configurar el token de ngrok: {e}")
return False
@staticmethod
def cleanup():
"""Limpia todas las sesiones de ngrok existentes"""
try:
print("\nLimpiando sesiones anteriores...")
# Intentar matar procesos de ngrok usando psutil
for proc in psutil.process_iter(['pid', 'name']):
try:
if 'ngrok' in proc.name().lower():
proc.kill()
except (psutil.NoSuchProcess, psutil.AccessDenied):
pass
# Usar el método de pyngrok para limpiar
ngrok.kill()
time.sleep(2) # Dar tiempo para que los procesos terminen
print("✓ Limpieza completada")
TunnelManager._current_tunnel = None
except Exception as e:
print(f"Error durante la limpieza: {e}")
@classmethod
def get_active_tunnel(cls):
"""Obtiene la URL del túnel activo más reciente"""
try:
# Intentar diferentes puertos comunes de ngrok
ports = [4040, 4041, 5000]
for port in ports:
try:
response = requests.get(f"http://127.0.0.1:{port}/api/tunnels", timeout=1)
if response.status_code == 200:
tunnels = response.json()["tunnels"]
if tunnels:
for tunnel in tunnels:
if tunnel["proto"] == "https":
cls._current_tunnel = tunnel["public_url"]
return cls._current_tunnel
except ConnectionError:
continue
except Exception:
continue
return None
except Exception as e:
print(f"No se encontraron túneles activos")
return None
@classmethod
def start(cls, port=5000):
"""Inicia un túnel de ngrok"""
if cls._current_tunnel:
return cls._current_tunnel
try:
# Asegurarse de que no hay túneles activos
cls.cleanup()
# Configurar e iniciar nuevo túnel
tunnel = ngrok.connect(port, "http")
cls._current_tunnel = tunnel.public_url
# Verificar que el túnel está activo
time.sleep(1)
tunnels = ngrok.get_tunnels()
if not tunnels:
raise Exception("No se pudo establecer el túnel")
return cls._current_tunnel
except Exception as e:
print(f"Error iniciando túnel: {e}")
return None
@staticmethod
def get_tunnels():
"""Obtiene la lista de túneles activos"""
try:
return ngrok.get_tunnels()
except:
return []
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