Some good news: I finally figured out how to modify asyncore to make it properly handle the non-blocking ssl-handshake. I provided a patch for test_ssl.py in issue 3899. Bill, could you please review it?
--- Giampaolo http://code.google.com/p/pyftpdlib/ On 18 Set, 00:49, "Giampaolo Rodola'" <[EMAIL PROTECTED]> wrote: > Ok, here's some news, in case they can be of some interest. > I managed to write an asyncore disptacher which seems to work. > I used my test suite against it and 70 tests passed and 2 failed. > The tests failed because at a certain point a call to do_handhsake > results in an EOF exception, which is very strange since it is > supposed to raise SSL_ERROR_WANT_READ or SSL_ERROR_WANT_WRITE only. > I'll keep you updated in case I have some news. > > --- Exception --- > > File "C:\python26\lib\ssl.py", line 293, in do_handshake > self._sslobj.do_handshake() > SSLError: [Errno 8] _ssl.c:480: EOF occurred in violation of protocol > > --- SSL dispatcher ---- > > class SSLConnection(asyncore.dispatcher): > > def __init__(self): > self.ssl_handshake_pending = False > > def do_ssl_handshake(self): > try: > self.socket.do_handshake() > except ssl.SSLError, err: > if err.args[0] == ssl.SSL_ERROR_WANT_READ: > self.ssl_handshake_pending = 'read' > elif err.args[0] == ssl.SSL_ERROR_WANT_WRITE: > self.ssl_handshake_pending = 'write' > else: > raise > else: > self.ssl_handshake_pending = False > > def handle_read_event(self): > if self.ssl_handshake_pending == 'read': > self.do_ssl_handshake() > ## if not self.ssl_handshake_pending: > ## asyncore.dispatcher.handle_read_event(self) > else: > asyncore.dispatcher.handle_read_event(self) > > def handle_write_event(self): > if self.ssl_handshake_pending == 'write': > self.do_ssl_handshake() > ## if not self.ssl_handshake_pending: > ## asyncore.dispatcher.handle_write_event(self) > else: > asyncore.dispatcher.handle_write_event(self) > > --- Giampaolohttp://code.google.com/p/pyftpdlib/ > _______________________________________________ > Python-Dev mailing list > [EMAIL PROTECTED]://mail.python.org/mailman/listinfo/python-dev > Unsubscribe:http://mail.python.org/mailman/options/python-dev/python-dev2-garchiv... _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
