Files
fa26_cs425_.group-mp_.team-01/MP1/server.py
T

60 lines
1.4 KiB
Python

# server.py
import socket
import shlex
import subprocess
HOST = "0.0.0.0"
PORT = 5055
server_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
server_socket.bind((HOST, PORT))
server_socket.listen()
print(f"Server listening on {HOST}:{PORT}")
def send_message(sock, message):
e_data = message.encode('utf-8')
#header for the message length
header = str(len(e_data)).zfill(10).encode('utf-8')
sock.sendall(header)
sock.sendall(e_data)
def receive_message(sock):
header = sock.recv(10)
if not header:
return None
message_length = int(header.decode('utf-8'))
received_data = b""
while len(received_data) < message_length:
chunk = sock.recv(65536)
if not chunk:
break
received_data += chunk
return received_data.decode('utf-8')
while True:
conn, addr = server_socket.accept()
print(f"Connected by {addr}")
command = receive_message(conn)
# print("Received Grep Command:", command.decode())
command_args = shlex.split(command.decode())
if not command_args or command_args[0] != "grep":
response = "Invalid command. Please use the 'grep' command."
conn.sendall(response.encode())
conn.close()
continue
command_args.insert(1, "-n")
result = subprocess.run(command_args, capture_output=True, text=True)
send_message(conn, result.stdout)
conn.close()
server_socket.close()