class NFLogDescriptor(FileDescriptor):
def __init__(self, group, reactor=None):
FileDescriptor.__init__(self, reactor)
self.wrapper = NFLog()
self.wrapper.open()
self.wrapper.bindProtocolFamily(AF_INET)
self.group = group
self.wrapper.bindGroup(group)
self.wrapper.setMode(NFULNL_COPY_PACKET, 0xFFFF)
self.wrapper.setCallback(self.nflogCallback)
def fileno(self):
return self.wrapper.fd
def doRead(self):
try:
# this will trigger our callback
self.wrapper.catch()
except (OSError, IOError), ioe:
if ioe.args[0] in (errno.EAGAIN, errno.EINTR, errno.ENOBUFS):
return
else:
return CONNECTION_LOST
def testWrapper(self):
wrapper = NFLog()
# open
self.failUnlessEqual(wrapper.nflog_handle, 0)
self.failUnlessEqual(wrapper.nfnl_handle, 0)
wrapper.open()
self.failIfEqual(wrapper.nflog_handle, 0)
self.failIfEqual(wrapper.nfnl_handle, 0)
# bindGroup
self.failUnlessEqual(wrapper.nflog_g_handle, 0)
wrapper.bindGroup(42)
self.failIfEqual(wrapper.nflog_g_handle, 0)
# if this is non blocking, it should hang and make the test fail
self.failUnlessRaises(OSError, wrapper.catch)
wrapper.close()
self.failUnlessEqual(wrapper.nflog_handle, 0)
self.failUnlessEqual(wrapper.nfnl_handle, 0)
self.failUnlessEqual(wrapper.nflog_g_handle, 0)