global mtu
c.mtu = cfg.get('virtual','mtu')
+def process_cfg_ipif(section, varmap):
+ for d, s in varmap:
+ try: v = getattr(c, s)
+ except KeyError: pass
+ setattr(c, d, v)
+
+ print(repr(c))
+
+ c.ipif_command = cfg.get(section,'ipif', vars=c.__dict__)
+
+def process_cfg_network():
+ c.network = ipnetwork(cfg.get('virtual','network'))
+ if c.network.num_addresses < 3 + 2:
+ raise ValueError('network needs at least 2^3 addresses')
+
+def process_cfg_server():
+ try:
+ c.server = cfg.get('virtual','server')
+ except NoOptionError:
+ process_cfg_network()
+ c.server = next(c.network.hosts())
+
+class ServerAddr():
+ def __init__(self, port, addrspec):
+ self.port = port
+ # also self.addr
+ try:
+ self.addr = ipaddress.IPv4Address(addrspec)
+ self._endpointfactory = twisted.internet.endpoints.TCP4ServerEndpoint
+ self._inurl = '%s'
+ except AddressValueError:
+ self.addr = ipaddress.IPv6Address(addrspec)
+ self._endpointfactory = twisted.internet.endpoints.TCP6ServerEndpoint
+ self._inurl = '[%s]'
+ def make_endpoint(self):
+ return self._endpointfactory(reactor, self.port, self.addr)
+ def url(self):
+ url = 'http://' + (self._inurl % self.addr)
+ if self.port != 80: url += ':%d' % self.port
+ url += '/'
+ return url
+
+def process_cfg_saddrs():
+ port = cfg.getint('server','port')
+
+ c.saddrs = [ ]
+ for addrspec in cfg.get('server','addrs').split():
+ sa = ServerAddr(port, addrspec)
+ c.saddrs.append(sa)
+
+def process_cfg_clients(constructor):
+ c.clients = [ ]
+ for cs in cfg.sections():
+ if not (':' in cs or '.' in cs): continue
+ ci = ipaddr(cs)
+ pw = cfg.get(cs, 'password')
+ constructor(ci,cs,pw)
+
#---------- startup ----------
def common_startup(defcfg):