def get_lisener(port, host=''):
lisener = None
while lisener is None:
family, address = parse_address((host, port))
try:
lisener = WSGIServer.get_listener(address, family=family)
except Exception, e:
pass
port += 1
def get_lisener(port, host=''):
lisener = None
while lisener is None:
family, address = parse_address((host, port))
try:
lisener = WSGIServer.get_listener(address, family=family)
except Exception, e:
pass
port += 1
def get_lisener(port, host=''):
if not host:
host = get_ip_address()
lisener = None
while lisener is None:
family, address = parse_address((host, port))
try:
lisener = WSGIServer.get_listener(address, family=family)
except Exception:
pass
port += 1
return lisener
def _make_gevent_socket(self):
if os.name != 'nt':
unix_socket_file = os.environ.get("CALIBRE_UNIX_SOCKET")
if unix_socket_file:
return self._make_gevent_unix_socket(unix_socket_file), "unix:" + unix_socket_file
if self.listen_address:
return (self.listen_address, self.listen_port), None
if os.name == 'nt':
self.listen_address = '0.0.0.0'
return (self.listen_address, self.listen_port), None
try:
address = ('::', self.listen_port)
sock = WSGIServer.get_listener(address, family=socket.AF_INET6)
except socket.error as ex:
log.error('%s', ex)
log.warning('Unable to listen on "", trying on IPv4 only...')
address = ('', self.listen_port)
sock = WSGIServer.get_listener(address, family=socket.AF_INET)
return sock, _readable_listen_address(*address)
def _make_gevent_unix_socket(self, socket_file):
# the socket file must not exist prior to bind()
if os.path.exists(socket_file):
# avoid nuking regular files and symbolic links (could be a mistype or security issue)
if os.path.isfile(socket_file) or os.path.islink(socket_file):
raise OSError(errno.EEXIST, os.strerror(errno.EEXIST), socket_file)
os.remove(socket_file)
unix_sock = WSGIServer.get_listener(socket_file, family=socket.AF_UNIX)
self.unix_socket_file = socket_file
# ensure current user and group have r/w permissions, no permissions for other users
# this way the socket can be shared in a semi-secure manner
# between the user running calibre-web and the user running the fronting webserver
os.chmod(socket_file, 0o660)
return unix_sock
