# socket, bind, listen, accept
from socket import *
from struct import pack
from sys import argv

port = 5177
if(len(argv) > 1):
    port = int(argv[1])

skt = socket(AF_INET, SOCK_STREAM);
skt.bind(("0.0.0.0", port))
skt.listen(5)
print(skt)
while(1):
    cskt, caddr = skt.accept()
    print(caddr)
    version_format_string = "<BBBH"
    data_to_send = pack(version_format_string, 14, 4, 3, 0)
    cskt.send(data_to_send)
    cskt.close()