diff options
Diffstat (limited to 'src/vpp-api/python/vpp_papi/vpp_stats.py')
| -rw-r--r-- | src/vpp-api/python/vpp_papi/vpp_stats.py | 30 |
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''' |