def main():
xs.watch("@introduceDomain", "reload")
xs.watch("@releaseDomain", "reload")
setup_watches()
while True:
(path, token) = xs.read_watch()
if token == "reload":
setup_watches()
else:
if path.endswith("/state"):
handle_vbd_state(path)
def main():
xs.watch('@introduceDomain', 'reload')
xs.watch('@releaseDomain', 'reload')
setup_watches()
while True:
(path, token) = xs.read_watch()
if token == 'reload':
setup_watches()
else:
if path.endswith('/state'):
handle_vbd_state(path)
def setup_watches():
global domain_list
new_domain_list = xs.ls("", "/local/domain")
for dom in new_domain_list:
if dom not in domain_list:
print "Adding: %s" % dom
xs.watch("/local/domain/%s/backend/vbd" % dom, int(dom))
for dom in domain_list:
if dom not in new_domain_list:
print "Removing: %s" % dom
xs.unwatch("/local/domain/%s/backend/vbd" % dom, int(dom))
domain_list = new_domain_list
def setup_watches():
global domain_list
new_domain_list = xs.ls('', '/local/domain')
for dom in new_domain_list:
if dom not in domain_list:
print "Adding: %s" % dom
xs.watch('/local/domain/%s/backend/vbd' % dom, int(dom))
for dom in domain_list:
if dom not in new_domain_list:
print "Removing: %s" % dom
xs.unwatch('/local/domain/%s/backend/vbd' % dom, int(dom))
domain_list = new_domain_list
def main():
xs = xen.lowlevel.xs.xs()
suppress = set()
xs.watch('/local/domain', '')
for path, token in iter(xs.read_watch, None):
if path in suppress:
suppress.remove(path)
continue
if path.endswith('/state') and 'backend' in path:
print('got watch {}'.format(path))
while True:
t = xs.transaction_start()
state = xs.read(t, path)
print('writing or not {} to {}'.format(state, path))
if state is None:
break
xs.write(t, path, state)
if xs.transaction_end(t, 0):
break
suppress.add(path)
