def cb_validate(self, tctx, kp, newval):
global maapisock
log.debug("==> kp=%s newval=%s" % (kp, newval))
rv = _confd.CONFD_OK
threshold = 100
try:
maapi.attach(maapisock, maapi_example_ns.ns.hash, tctx)
mc = maapi.init_cursor(maapisock, tctx.th, items_keypath_string)
val_sum = 0
keys = maapi.get_next(mc)
while keys:
if maapi.exists(
maapisock, tctx.th,
"%s{%s}/value" % (items_keypath_string, keys[0])):
log.debug("value element exists")
val = maapi.get_elem(
maapisock, tctx.th,
"%s{%s}/value" % (items_keypath_string, keys[0]))
log.debug("val=%d", val)
val_sum += int(val)
keys = maapi.get_next(mc)
maapi.destroy_cursor(mc)
maapi.detach(maapisock, tctx)
if val_sum > threshold:
text = "Sum of value elements in %s is %u," \
" which is greater than %u!" % (
items_keypath_string, val_sum, threshold)
dp.trans_seterr(tctx, text)
log.warn(text)
rv = _confd.CONFD_ERR
except Exception as e:
log.exception(e)
rv = _confd.CONFD_ERR
log.debug("<== rv=%d" % rv)
return rv
def cb_command(self, uinfo, path, argv):
global maapisock
log.debug("==> path %s argv=%r" % (path, argv))
rv = _confd.CONFD_OK
try:
maapi.attach2(maapisock, maapi_example_ns.ns.hash, uinfo.usid,
uinfo.actx_thandle)
mc = maapi.init_cursor(maapisock, uinfo.actx_thandle,
start_log_keypath_string)
count = 0
keys = maapi.get_next(mc)
while keys:
if (maapi.exists(
maapisock, uinfo.actx_thandle,
"%s{%s}" % (start_log_keypath_string, str(keys[0])))):
count += 1
log.debug("Value element count=%d" % count)
keys = maapi.get_next(mc)
maapi.destroy_cursor(mc)
maapi.detach2(maapisock, uinfo.actx_thandle)
log.debug("count=%i" % count)
maapi.cli_write(maapisock, uinfo.usid,
"\nApplication startup count %d\n" % count)
except Exception as e:
maapi.cli_write(maapisock, uinfo.usid,
"Cannot determine application startup count")
log.exception(e)
rv = _confd.CONFD_ERR
log.debug("<== rv=%d" % rv)
return rv
def cb_get_next(self, tctx, kp, next):
global maapisock
log.debug("==> kp=%s next=%d" % (kp, next))
rv = _confd.CONFD_OK
try:
maapi.attach(maapisock, maapi_example_ns.ns.hash, tctx)
if next == -1: # first call
next = 0
n = 0
mc = maapi.init_cursor(maapisock, tctx.th, items_keypath_string)
keys = maapi.get_next(mc)
while keys and n != next:
log.debug("n=%d" % n)
keys = maapi.get_next(mc)
n += 1
if not keys:
log.debug("No more item entry, element not found.")
dp.data_reply_next_key(tctx, None, -1)
else:
next += 1
dp.data_reply_next_key(tctx, keys, next)
maapi.destroy_cursor(mc)
maapi.detach(maapisock, tctx)
except Exception as e:
log.exception(e)
rv = _confd.CONFD_ERR
log.debug("<== rv=%d" % rv)
return rv
def _get_unused_user_id():
""" Return "free" (hopefully) user-id that can be used for
new user in the "user-storage.yang" configuration.
"""
cursor = maapi.init_cursor(maapi_socket, helper.th, USER_PATH)
keys = maapi.get_next(cursor)
last_user_id = init_user_id
while keys:
last_user_id = int(keys[0])
keys = maapi.get_next(cursor)
maapi.destroy_cursor(cursor)
return last_user_id + 1
def _get_list_cursor(next_counter, path, cursors):
""" Return MAAPI cursor for iterating the YANG list
depending on the "next" value and request keypath.
CDB path string is used as cursor identifier to simplify API.
"""
if -1 == next_counter:
if path in cursors:
maapi.destroy_cursor(cursors[path])
cursors[path] = maapi.init_cursor(maapi_socket, helper.th,
path)
else:
if path not in cursors:
raise ValueError("Jumping into uninitialized iteration!")
return cursors[path]
def exec_totals(self, uinfo):
print('exec totals')
key = get_thread_key(uinfo)
print('[thr# ' + key + '] watch thread for abort request')
thr = self.thread_map[key]
# import pdb; pdb.set_trace()
# open own MAAPI connection for reading values
msock = socket.socket()
maapi.connect(msock, CONFD_ADDR, _confd.CONFD_PORT)
th = maapi.start_trans2(msock, _confd.RUNNING, _confd.READ, uinfo.usid)
path = "/model:dm/proc"
mc = maapi.init_cursor(msock, th, path)
# gather data from ConfD
cpu_sum = 0
cpu_cnt = 0
keys = maapi.get_next(mc)
while not thr.stop_flag and keys is not False:
cpu = maapi.get_elem(msock, th,
path + '{' + str(keys[0]) + '}/cpu')
cpu_sum += int(cpu)
cpu_cnt += 1
keys = maapi.get_next(mc)
# clean the used MAAPI session
maapi.destroy_cursor(mc)
maapi.close(msock)
# and dispatch result to ConfD
result = [
make_tag_value(ns.hash, ns.model_num_procs, int(cpu_cnt),
_confd.C_UINT32),
make_tag_value(ns.hash, ns.model_total_cpu, int(cpu_sum),
_confd.C_UINT32)
]
dp.action_reply_values(uinfo, result)
return _confd.OK