client.py


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#!/usr/bin/env python3
from ctypes import c_uint16 as acccre_size
from socket import *
from sys import *

sun = socket(AF_UNIX)
if len(argv) >= 2 and argv[1]:
    sun_path = argv[1]
else:
    sun_path = "./acccre.sock"

try:
    sun.connect(sun_path)
except FileNotFoundError as e:
    exit(e)

if len(argv) >= 3 and argv[2]:
    msg = argv[2].encode("ascii")
else:
    msg = b"hello, world!"

# 1 char in Python is 2 bytes instead of 1 byte in C
#msg_len = acccre_size(getsizeof(msg))
msg_len = acccre_size(2)
sun.send(msg_len)
sun.send(msg)
sun.close