import socket
import time
import sys
# Hosts
R1_HOST = "192.168.74.128"
R1_PORT = 5006
L1_PORT = 5002
L2_PORT = 5004
def send_and_read(sock, cmd, wait=1):
sock.send(f"{cmd}\r".encode())
time.sleep(wait)
try:
return sock.recv(4096).decode('utf-8', errors='ignore')
except:
return ""
def check_router():
print("\n--- Checking Router Interfaces ---")
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((R1_HOST, R1_PORT))
s.send(b"\r")
time.sleep(1)
s.recv(1024)
out = send_and_read(s, "show ip interface brief", 2)
print(out)
s.close()
except Exception as e:
print(f"Error checking router: {e}")
def check_vpcs(port, name, target_ip):
print(f"\n--- Checking {name} Ping to {target_ip} ---")
try:
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect(('localhost', port))
# Clear buffer
s.settimeout(0.5)
try:
while s.recv(1024): pass
except:
pass
s.settimeout(10)
cmd = f"ping {target_ip}"
print(f"Sending: {cmd}")
s.send(f"{cmd}\r".encode())
output = ""
start = time.time()
while time.time() - start < 10:
try:
chunk = s.recv(1024).decode('utf-8', errors='ignore')
output += chunk
sys.stdout.write(chunk)
sys.stdout.flush()
if "icmp_seq" in chunk or "timeout" in chunk or "host" in chunk:
# Continue reading a bit more
pass
except socket.timeout:
break
except:
break
s.close()
except Exception as e:
print(f"Error checking {name}: {e}")
if __name__ == "__main__":
check_router()
check_vpcs(L1_PORT, "Laptop1", "192.168.1.1") # Ping Gateway
check_vpcs(L2_PORT, "Laptop2", "192.168.2.1") # Ping Gateway
check_vpcs(L1_PORT, "Laptop1", "192.168.2.2") # Ping Laptop2
