#!/usr/bin/python

import socket
import sys
import os
import mncc
import ctypes

class mncc_msg(mncc.gsm_mncc):
    def send(self):
        return buffer(self)[:]
    def receive(self, bytes):
        fit = min(len(bytes), ctypes.sizeof(self))
        ctypes.memmove(ctypes.addressof(self), bytes, fit)

def mncc_number(number, num_type = 0, num_plan = 0, num_present = 1, num_screen = 0):
    return mncc.gsm_mncc_number(number = number, type = num_type,
                                plan = num_plan, present = num_present,
                                screen = num_screen)

class MnccSocket(object):
    def __init__(self, address = '/tmp/bsc_mncc'):
        self.sock = socket.socket(socket.AF_UNIX, socket.SOCK_SEQPACKET)
        print 'connectiong to %s' % address
        try:
            self.sock.connect(address)
        except socket.error, errmsg:
            print >>sys.stderr, errmsg
            sys.exit(1)

        # FIXME: parse the HELLO message
        msg = self.recv()

    def send(self, msg):
        return self.sock.sendall(msg.send())

    def recv(self):
        data = self.sock.recv(1500)
        ms = mncc_msg()
        ms.receive(data)
        return ms