def update_ip_pool(self):
cache_key = self.get_cache_key('ip_pool')
set_cache_key = self.get_cache_key('ip_pool_set')
cache_db.lock_acquire(cache_key)
try:
ip_pool = ipaddress.IPv4Network(self.network).iterhosts()
ip_pool.next()
users = set()
for org in self.iter_orgs():
for user in org.iter_users():
if user.type == CERT_CLIENT:
users.add(org.id + '-' + user.id)
for user_id in cache_db.dict_keys(cache_key) - users:
ip_set = cache_db.dict_get(cache_key, user_id)
local_ip_addr, remote_ip_addr = ip_set.split('-')
cache_db.set_remove(set_cache_key, local_ip_addr)
cache_db.set_remove(set_cache_key, remote_ip_addr)
cache_db.dict_remove(cache_key, user_id)
try:
for user_id in users - cache_db.dict_keys(cache_key):
while True:
remote_ip_addr = str(ip_pool.next())
ip_addr_endpoint = remote_ip_addr.split('.')[-1]
if ip_addr_endpoint not in VALID_IP_ENDPOINTS:
continue
local_ip_addr = str(ip_pool.next())
if not cache_db.set_exists(set_cache_key,
local_ip_addr) and not cache_db.set_exists(
set_cache_key, remote_ip_addr):
cache_db.set_add(set_cache_key, local_ip_addr)
cache_db.set_add(set_cache_key, remote_ip_addr)
break
cache_db.dict_set(cache_key, user_id,
local_ip_addr + '-' + remote_ip_addr)
except StopIteration:
pass
finally:
self._commit_ip_pool()
for org in self.iter_orgs():
Event(type=USERS_UPDATED, resource_id=org.id)
finally:
cache_db.lock_release(cache_key)
def _update_clients_bandwidth(self, clients):
# Remove client no longer connected
for client_id in cache_db.dict_keys(self.get_cache_key('clients')):
if client_id not in clients:
cache_db.dict_remove(self.get_cache_key('clients'), client_id)
# Get total bytes send and recv for all clients
bytes_recv_t = 0
bytes_sent_t = 0
for client_id in clients:
bytes_recv = clients[client_id]['bytes_received']
bytes_sent = clients[client_id]['bytes_sent']
prev_bytes_recv = 0
prev_bytes_sent = 0
client_prev = cache_db.dict_get(self.get_cache_key('clients'),
client_id)
cache_db.dict_set(self.get_cache_key('clients'), client_id,
'%s,%s' % (bytes_recv, bytes_sent))
if client_prev:
client_prev = client_prev.split(',')
prev_bytes_recv = int(client_prev[0])
prev_bytes_sent = int(client_prev[1])
if prev_bytes_recv > bytes_recv or prev_bytes_sent > bytes_sent:
prev_bytes_recv = 0
prev_bytes_sent = 0
bytes_recv_t += bytes_recv - prev_bytes_recv
bytes_sent_t += bytes_sent - prev_bytes_sent
# Store bytes send recv into time periods
if bytes_recv_t != 0 or bytes_sent_t != 0:
date = datetime.datetime.utcnow()
date -= datetime.timedelta(microseconds=date.microsecond,
seconds=date.second)
timestamp_1m = date.strftime('%s')
timestamp_1m_min = int((date - datetime.timedelta(
hours=6)).strftime('%s'))
date_5m = date - datetime.timedelta(minutes=date.minute % 5)
timestamp_5m = date_5m.strftime('%s')
timestamp_5m_min = int((date_5m - datetime.timedelta(
days=1)).strftime('%s'))
date_30m = date - datetime.timedelta(minutes=date.minute % 30)
timestamp_30m = date_30m.strftime('%s')
timestamp_30m_min = int((date_30m - datetime.timedelta(
days=7)).strftime('%s'))
date_2h = date - datetime.timedelta(
hours=date.hour % 2, minutes=date.minute)
timestamp_2h = date_2h.strftime('%s')
timestamp_2h_min = int((date_2h - datetime.timedelta(
days=30)).strftime('%s'))
date_1d = date - datetime.timedelta(
hours=date.hour, minutes=date.minute)
timestamp_1d = date_1d.strftime('%s')
timestamp_1d_min = int((date_1d - datetime.timedelta(
days=365)).strftime('%s'))
for period, timestamp, timestamp_min in (
('1m', timestamp_1m, timestamp_1m_min),
('5m', timestamp_5m, timestamp_5m_min),
('30m', timestamp_30m, timestamp_30m_min),
('2h', timestamp_2h, timestamp_2h_min),
('1d', timestamp_1d, timestamp_1d_min),
):
bytes_recv = bytes_recv_t
bytes_sent = bytes_sent_t
prev_bandwidth = persist_db.dict_get(
self.get_cache_key('bandwidth-%s' % period), timestamp)
if prev_bandwidth:
prev_bandwidth = prev_bandwidth.split(',')
bytes_recv += int(prev_bandwidth[0])
bytes_sent += int(prev_bandwidth[1])
persist_db.dict_set(self.get_cache_key(
'bandwidth-%s' % period), timestamp,
'%s,%s' % (bytes_recv, bytes_sent))
for timestamp_p in persist_db.dict_keys(self.get_cache_key(
'bandwidth-%s' % period)):
if int(timestamp_p) <= timestamp_min:
persist_db.dict_remove(self.get_cache_key(
'bandwidth-%s' % period), timestamp_p)
