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sandesh_stats.py
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sandesh_stats.py
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#
# Copyright (c) 2013 Juniper Networks, Inc. All rights reserved.
#
#
# sandesh_stats.py
#
from pysandesh.sandesh_base import Sandesh
from pysandesh.gen_py.sandesh_uve.ttypes import SandeshMessageStats
from pysandesh.gen_py.sandesh.ttypes import SandeshTxDropReason, \
SandeshRxDropReason
class SandeshMessageStatistics(object):
def __init__(self):
self._message_type_stats = {}
self._aggregate_stats = SandeshMessageStats()
# end __init__
def message_type_stats(self):
return self._message_type_stats
# end message_type_stats
def aggregate_stats(self):
return self._aggregate_stats
# end aggregate_stats
def update_tx_stats(self, message_type, nbytes,
drop_reason=SandeshTxDropReason.NoDrop):
if SandeshTxDropReason.MinDropReason < drop_reason < \
SandeshTxDropReason.MaxDropReason:
try:
message_stats = self._message_type_stats[message_type]
except KeyError:
message_stats = SandeshMessageStats()
self._message_type_stats[message_type] = message_stats
finally:
self._update_tx_stats_internal(message_stats, nbytes,
drop_reason)
self._update_tx_stats_internal(self._aggregate_stats, nbytes,
drop_reason)
return True
return False
# end update_tx_stats
def update_rx_stats(self, message_type, nbytes,
drop_reason=SandeshRxDropReason.NoDrop):
if SandeshRxDropReason.MinDropReason < drop_reason < \
SandeshRxDropReason.MaxDropReason:
try:
message_stats = self._message_type_stats[message_type]
except KeyError:
message_stats = SandeshMessageStats()
self._message_type_stats[message_type] = message_stats
finally:
self._update_rx_stats_internal(message_stats, nbytes,
drop_reason)
self._update_rx_stats_internal(self._aggregate_stats, nbytes,
drop_reason)
return True
return False
# end update_rx_stats
def _update_tx_stats_internal(self, msg_stats, nbytes, drop_reason):
if drop_reason is SandeshTxDropReason.NoDrop:
try:
msg_stats.messages_sent += 1
msg_stats.bytes_sent += nbytes
except TypeError:
msg_stats.messages_sent = 1
msg_stats.bytes_sent = nbytes
else:
if msg_stats.messages_sent_dropped:
msg_stats.messages_sent_dropped += 1
msg_stats.bytes_sent_dropped += nbytes
else:
msg_stats.messages_sent_dropped = 1
msg_stats.bytes_sent_dropped = nbytes
if drop_reason is SandeshTxDropReason.ValidationFailed:
if msg_stats.messages_sent_dropped_validation_failed:
msg_stats.messages_sent_dropped_validation_failed += 1
msg_stats.bytes_sent_dropped_validation_failed += nbytes
else:
msg_stats.messages_sent_dropped_validation_failed = 1
msg_stats.bytes_sent_dropped_validation_failed = nbytes
elif drop_reason is SandeshTxDropReason.QueueLevel:
if msg_stats.messages_sent_dropped_queue_level:
msg_stats.messages_sent_dropped_queue_level += 1
msg_stats.bytes_sent_dropped_queue_level += nbytes
else:
msg_stats.messages_sent_dropped_queue_level = 1
msg_stats.bytes_sent_dropped_queue_level = nbytes
elif drop_reason is SandeshTxDropReason.NoClient:
if msg_stats.messages_sent_dropped_no_client:
msg_stats.messages_sent_dropped_no_client += 1
msg_stats.bytes_sent_dropped_no_client += nbytes
else:
msg_stats.messages_sent_dropped_no_client = 1
msg_stats.bytes_sent_dropped_no_client = nbytes
elif drop_reason is SandeshTxDropReason.NoSession:
if msg_stats.messages_sent_dropped_no_session:
msg_stats.messages_sent_dropped_no_session += 1
msg_stats.bytes_sent_dropped_no_session += nbytes
else:
msg_stats.messages_sent_dropped_no_session = 1
msg_stats.bytes_sent_dropped_no_session = nbytes
elif drop_reason is SandeshTxDropReason.NoQueue:
if msg_stats.messages_sent_dropped_no_queue:
msg_stats.messages_sent_dropped_no_queue += 1
msg_stats.bytes_sent_dropped_no_queue += nbytes
else:
msg_stats.messages_sent_dropped_no_queue = 1
msg_stats.bytes_sent_dropped_no_queue = nbytes
elif drop_reason is SandeshTxDropReason.ClientSendFailed:
if msg_stats.messages_sent_dropped_client_send_failed:
msg_stats.messages_sent_dropped_client_send_failed += 1
msg_stats.bytes_sent_dropped_client_send_failed += nbytes
else:
msg_stats.messages_sent_dropped_client_send_failed = 1
msg_stats.bytes_sent_dropped_client_send_failed = nbytes
elif drop_reason is SandeshTxDropReason.HeaderWriteFailed:
if msg_stats.messages_sent_dropped_header_write_failed:
msg_stats.messages_sent_dropped_header_write_failed += 1
msg_stats.bytes_sent_dropped_header_write_failed += nbytes
else:
msg_stats.messages_sent_dropped_header_write_failed = 1
msg_stats.bytes_sent_dropped_header_write_failed = nbytes
elif drop_reason is SandeshTxDropReason.WriteFailed:
if msg_stats.messages_sent_dropped_write_failed:
msg_stats.messages_sent_dropped_write_failed += 1
msg_stats.bytes_sent_dropped_write_failed += nbytes
else:
msg_stats.messages_sent_dropped_write_failed = 1
msg_stats.bytes_sent_dropped_write_failed = nbytes
elif drop_reason is SandeshTxDropReason.SessionNotConnected:
if msg_stats.messages_sent_dropped_session_not_connected:
msg_stats.messages_sent_dropped_session_not_connected += 1
msg_stats.bytes_sent_dropped_session_not_connected += nbytes
else:
msg_stats.messages_sent_dropped_session_not_connected = 1
msg_stats.bytes_sent_dropped_session_not_connected = nbytes
elif drop_reason is SandeshTxDropReason.WrongClientSMState:
if msg_stats.messages_sent_dropped_wrong_client_sm_state:
msg_stats.messages_sent_dropped_wrong_client_sm_state += 1
msg_stats.bytes_sent_dropped_wrong_client_sm_state += nbytes
else:
msg_stats.messages_sent_dropped_wrong_client_sm_state = 1
msg_stats.bytes_sent_dropped_wrong_client_sm_state = nbytes
elif drop_reason is SandeshTxDropReason.RatelimitDrop:
if msg_stats.messages_sent_dropped_rate_limited:
msg_stats.messages_sent_dropped_rate_limited += 1
msg_stats.bytes_sent_dropped_rate_limited += nbytes
else:
msg_stats.messages_sent_dropped_rate_limited = 1
msg_stats.bytes_sent_dropped_rate_limited = nbytes
else:
assert 0, 'Unhandled Tx drop reason <%s>' % (str(drop_reason))
# end _update_tx_stats_internal
def _update_rx_stats_internal(self, msg_stats, nbytes, drop_reason):
if drop_reason is SandeshRxDropReason.NoDrop:
if msg_stats.messages_received:
msg_stats.messages_received += 1
msg_stats.bytes_received += nbytes
else:
msg_stats.messages_received = 1
msg_stats.bytes_received = nbytes
else:
if msg_stats.messages_received_dropped:
msg_stats.messages_received_dropped += 1
msg_stats.bytes_received_dropped += nbytes
else:
msg_stats.messages_received_dropped = 1
msg_stats.bytes_received_dropped = nbytes
if drop_reason is SandeshRxDropReason.QueueLevel:
if msg_stats.messages_received_dropped_queue_level:
msg_stats.messages_received_dropped_queue_level += 1
msg_stats.bytes_received_dropped_queue_level += nbytes
else:
msg_stats.messages_received_dropped_queue_level = 1
msg_stats.bytes_received_dropped_queue_level = nbytes
elif drop_reason is SandeshRxDropReason.NoQueue:
if msg_stats.messages_received_dropped_no_queue:
msg_stats.messages_received_dropped_no_queue += 1
msg_stats.bytes_received_dropped_no_queue += nbytes
else:
msg_stats.messages_received_dropped_no_queue = 1
msg_stats.bytes_received_dropped_no_queue = nbytes
elif drop_reason is SandeshRxDropReason.ControlMsgFailed:
if msg_stats.messages_received_dropped_control_msg_failed:
msg_stats.messages_received_dropped_control_msg_failed += 1
msg_stats.bytes_received_dropped_control_msg_failed += nbytes
else:
msg_stats.messages_received_dropped_control_msg_failed = 1
msg_stats.bytes_received_dropped_control_msg_failed = nbytes
elif drop_reason is SandeshRxDropReason.CreateFailed:
if msg_stats.messages_received_dropped_create_failed:
msg_stats.messages_received_dropped_create_failed += 1
msg_stats.bytes_received_dropped_create_failed += nbytes
else:
msg_stats.messages_received_dropped_create_failed = 1
msg_stats.bytes_received_dropped_create_failed = nbytes
elif drop_reason is SandeshRxDropReason.DecodingFailed:
if msg_stats.messages_received_dropped_decoding_failed:
msg_stats.messages_received_dropped_decoding_failed += 1
msg_stats.bytes_received_dropped_decoding_failed += nbytes
else:
msg_stats.messages_received_dropped_decoding_failed = 1
msg_stats.bytes_received_dropped_decoding_failed = nbytes
else:
assert 0, 'Unhandled Rx drop reason <%s>' % (str(drop_reason))
# end _update_rx_stats_internal
# end class SandeshMessageStatistics