# -*-pyrex-*-
#
# $Id$
#
# Non-blocking connections
#
# (c) 2005 Straylight/Edgeware
#

#----- Licensing notice -----------------------------------------------------
#
# This file is part of the Python interface to mLib.
#
# mLib/Python is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# mLib/Python is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with mLib/Python; if not, write to the Free Software Foundation,
# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

cdef class SelConnect:
  cdef conn c
  cdef int _activep
  cdef readonly object socket
  cdef _connected
  cdef _error
  def __new__(me, sk, connectedproc = None, errorproc = None,
              *hunoz, **hukairz):
    conn_fd(&me.c, &_sel, sk.fileno(), _connfunc, <void *>me)
    me._activep = 1
    me.socket = sk
    me._connected = _checkcallable(connectedproc, 'connected proc')
    me._error = _checkcallable(errorproc, 'error proc')
  def __dealloc__(me):
    if me._activep:
      conn_kill(&me.c)
  property activep:
    def __get__(me):
      return _tobool(me._activep)
  property connectedproc:
    def __get__(me):
      return me._connected
    def __set__(me, proc):
      me._connected = _checkcallable(proc, 'connected proc')
    def __del__(me):
      me._connected = None
  property errorproc:
    def __get__(me):
      return me._error
    def __set__(me, proc):
      me._error = _checkcallable(proc, 'error proc')
    def __del__(me):
      me._error = None
  def kill(me):
    if not me._activep:
      raise ValueError, 'already dead'
    conn_kill(&me.c);
    me._dead()
    return me
  cdef _dead(me):
    me._activep = 0
    me.dead()
  def dead(me):
    pass
  def connected(me):
    return _maybecall(me._connected, ())
  def error(me, errno, strerror):
    return _maybecall(me._error, ())

cdef void _connfunc(int fd, void *arg):
  cdef SelConnect c
  c = <SelConnect>arg
  c._dead()
  if fd == -1:
    c.socket = None
    c.error(errno, strerror(errno))
  else:
    c.connected()

#----- That's all, folks ----------------------------------------------------