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-rw-r--r--src/vpp-api/python/vpp_papi/vpp_stats.py30
1 files changed, 25 insertions, 5 deletions
diff --git a/src/vpp-api/python/vpp_papi/vpp_stats.py b/src/vpp-api/python/vpp_papi/vpp_stats.py
index 1375f118e68..aa3409554d0 100644
--- a/src/vpp-api/python/vpp_papi/vpp_stats.py
+++ b/src/vpp-api/python/vpp_papi/vpp_stats.py
@@ -196,34 +196,46 @@ class VPPStats(object):
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)
@@ -235,6 +247,8 @@ class VPPStats(object):
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
@@ -271,8 +285,14 @@ class VPPStats(object):
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'''