sharedlib_name = 'libvppapiclient.so'
def __init__(self, socketname=default_socketname, timeout=10):
+ self.socketname = socketname
+ self.timeout = timeout
+ self.connected = False
try:
self.api = ffi.dlopen(VPPStats.sharedlib_name)
except Exception:
raise VPPStatsClientLoadError("Could not open: %s" %
VPPStats.sharedlib_name)
+
+ def connect(self):
self.client = self.api.stat_client_get()
- poll_end_time = time.time() + timeout
+ poll_end_time = time.time() + self.timeout
while time.time() < poll_end_time:
- rv = self.api.stat_segment_connect_r(socketname.encode('utf-8'),
- self.client)
+ rv = self.api.stat_segment_connect_r(
+ self.socketname.encode('utf-8'), self.client)
# Break out if success or any other error than "no such file"
# (indicating that VPP hasn't started yet)
if rv == 0 or ffi.errno != 2:
+ self.connected = True
break
if rv != 0:
raise VPPStatsIOError(retval=rv)
def heartbeat(self):
+ if not self.connected:
+ self.connect()
return self.api.stat_segment_heartbeat_r(self.client)
def ls(self, patterns):
+ if not self.connected:
+ self.connect()
return self.api.stat_segment_ls_r(make_string_vector(self.api,
patterns),
self.client)
def lsstr(self, patterns):
+ if not self.connected:
+ self.connect()
rv = self.api.stat_segment_ls_r(make_string_vector(self.api,
patterns),
self.client)
for i in range(self.api.stat_segment_vec_len(rv))]
def dump(self, counters):
+ if not self.connected:
+ self.connect()
stats = {}
rv = self.api.stat_segment_dump_r(counters, self.client)
# Raise exception and retry
return sum(self.get_counter(name))
def disconnect(self):
- self.api.stat_segment_disconnect_r(self.client)
- self.api.stat_client_free(self.client)
+ try:
+ self.api.stat_segment_disconnect_r(self.client)
+ self.api.stat_client_free(self.client)
+ self.connected = False
+ del self.client
+ except AttributeError:
+ # no need to disconnect if we're not connected
+ pass
def set_errors(self):
'''Return all errors counters > 0'''
cls.wait_for_enter()
- @classmethod
- def wait_for_stats_socket(cls):
- deadline = time.time() + 300
- ok = False
- while time.time() < deadline or \
- cls.debug_gdb or cls.debug_gdbserver:
- if os.path.exists(cls.stats_sock):
- ok = True
- break
- cls.sleep(0.8)
- if not ok:
- cls.logger.critical("Couldn't stat : {}".format(cls.stats_sock))
-
@classmethod
def wait_for_coredump(cls):
corefile = cls.tempdir + "/core"
else:
hook = hookmodule.PollHook(cls)
cls.vapi.register_hook(hook)
- cls.wait_for_stats_socket()
cls.statistics = VPPStats(socketname=cls.stats_sock)
try:
hook.poll_vpp()