import socket
import binascii

HOST = "0.0.0.0"
PORT = 10012
BUFFER_SIZE = 4096

def hexdump(data, width=16):
    for i in range(0, len(data), width):
        chunk = data[i:i+width]
        hex_bytes = " ".join(f"{b:02X}" for b in chunk)
        ascii_bytes = "".join(chr(b) if 32 <= b <= 126 else "." for b in chunk)
        print(f"{i:04X}  {hex_bytes:<{width*3}}  {ascii_bytes}")

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
    s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    s.bind((HOST, PORT))
    s.listen()

    print(f"[+] Listening on {HOST}:{PORT}")

    conn, addr = s.accept()
    with conn:
        print(f"[+] Connection from {addr}")

        while True:
            data = conn.recv(BUFFER_SIZE)
            if not data:
                print("[-] Connection closed")
                break

            print(f"\n[+] Received {len(data)} bytes")
            print("Raw repr:")
            print(repr(data))

            print("\nHex dump:")
            hexdump(data)