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#!/router/bin/python
from collections import namedtuple, OrderedDict
from client_utils import text_tables
from common.text_opts import format_text
from client.trex_async_client import CTRexAsyncStats
import copy
import datetime
import re
GLOBAL_STATS = 'g'
PORT_STATS = 'p'
PORT_STATUS = 'ps'
ALL_STATS_OPTS = {GLOBAL_STATS, PORT_STATS, PORT_STATUS}
COMPACT = {GLOBAL_STATS, PORT_STATS}
ExportableStats = namedtuple('ExportableStats', ['raw_data', 'text_table'])
class CTRexStatsGenerator(object):
"""
This object is responsible of generating stats from objects maintained at
CTRexStatelessClient and the ports.
"""
def __init__(self, global_stats_ref, ports_dict_ref):
self._global_stats = global_stats_ref
self._ports_dict = ports_dict_ref
def generate_single_statistic(self, port_id_list, statistic_type):
if statistic_type == GLOBAL_STATS:
return self._generate_global_stats()
elif statistic_type == PORT_STATS:
return self._generate_port_stats(port_id_list)
pass
elif statistic_type == PORT_STATUS:
return self._generate_port_status(port_id_list)
else:
# ignore by returning empty object
return {}
def _generate_global_stats(self):
# stats_obj = self._async_stats.get_general_stats()
stats_data = self._global_stats.generate_stats()
# build table representation
stats_table = text_tables.TRexTextInfo()
stats_table.set_cols_align(["l", "l"])
stats_table.add_rows([[k.replace("_", " ").title(), v]
for k, v in stats_data.iteritems()],
header=False)
return {"global_statistics": ExportableStats(stats_data, stats_table)}
def _generate_port_stats(self, port_id_list):
relevant_ports = self.__get_relevant_ports(port_id_list)
return_stats_data = {}
per_field_stats = OrderedDict([("owner", []),
("state", []),
("--", []),
("opackets", []),
("obytes", []),
("ipackets", []),
("ibytes", []),
("ierrors", []),
("oerrors", []),
("tx-bytes", []),
("rx-bytes", []),
("tx-pkts", []),
("rx-pkts", []),
("---", []),
("Tx bps", []),
("Rx bps", []),
("----", []),
("Tx pps", []),
("Rx pps", [])
]
)
for port_obj in relevant_ports:
# fetch port data
port_stats = port_obj.generate_port_stats()
# populate to data structures
return_stats_data[port_obj.port_id] = port_stats
self.__update_per_field_dict(port_stats, per_field_stats)
stats_table = text_tables.TRexTextTable()
stats_table.set_cols_align(["l"] + ["r"]*len(relevant_ports))
stats_table.set_cols_width([10] + [20] * len(relevant_ports))
stats_table.set_cols_dtype(['t'] + ['t'] * len(relevant_ports))
stats_table.add_rows([[k] + v
for k, v in per_field_stats.iteritems()],
header=False)
stats_table.header(["port"] + [port.port_id
for port in relevant_ports])
return {"port_statistics": ExportableStats(return_stats_data, stats_table)}
def _generate_port_status(self, port_id_list):
relevant_ports = self.__get_relevant_ports(port_id_list)
return_stats_data = {}
per_field_status = OrderedDict([("port-type", []),
("maximum", []),
("port-status", [])
]
)
for port_obj in relevant_ports:
# fetch port data
# port_stats = self._async_stats.get_port_stats(port_obj.port_id)
port_status = port_obj.generate_port_status()
# populate to data structures
return_stats_data[port_obj.port_id] = port_status
self.__update_per_field_dict(port_status, per_field_status)
stats_table = text_tables.TRexTextTable()
stats_table.set_cols_align(["l"] + ["c"]*len(relevant_ports))
stats_table.set_cols_width([10] + [20] * len(relevant_ports))
stats_table.add_rows([[k] + v
for k, v in per_field_status.iteritems()],
header=False)
stats_table.header(["port"] + [port.port_id
for port in relevant_ports])
return {"port_status": ExportableStats(return_stats_data, stats_table)}
def __get_relevant_ports(self, port_id_list):
# fetch owned ports
ports = [port_obj
for _, port_obj in self._ports_dict.iteritems()
if port_obj.is_acquired() and port_obj.port_id in port_id_list]
# display only the first FOUR options, by design
if len(ports) > 4:
print format_text("[WARNING]: ", 'magenta', 'bold'), format_text("displaying up to 4 ports", 'magenta')
ports = ports[:4]
return ports
def __update_per_field_dict(self, dict_src_data, dict_dest_ref):
for key, val in dict_src_data.iteritems():
if key in dict_dest_ref:
dict_dest_ref[key].append(val)
class CTRexStats(object):
""" This is an abstract class to represent a stats object """
def __init__(self):
self.reference_stats = None
self.latest_stats = {}
self.last_update_ts = datetime.datetime.now()
def __getitem__(self, item):
# override this to allow quick and clean access to fields
if not item in self.latest_stats:
return "N/A"
# item must exist
m = re.search('_(([a-z])ps)$', item)
if m:
# this is a non-relative item
unit = m.group(2)
if unit == "b":
return self.get(item, format=True, suffix="b/sec")
elif unit == "p":
return self.get(item, format=True, suffix="pkt/sec")
else:
return self.get(item, format=True, suffix=m.group(1))
m = re.search('^[i|o](a-z+)$', item)
if m:
# this is a non-relative item
type = m.group(1)
if type == "bytes":
return self.get_rel(item, format=True, suffix="B")
elif type == "packets":
return self.get_rel(item, format=True, suffix="pkts")
else:
# do not format with suffix
return self.get_rel(item, format=True)
# can't match to any known pattern, return N/A
return "N/A"
@staticmethod
def format_num(size, suffix = ""):
for unit in ['','K','M','G','T','P']:
if abs(size) < 1000.0:
return "%3.2f %s%s" % (size, unit, suffix)
size /= 1000.0
return "NaN"
def generate_stats(self):
# must be implemented by designated classes (such as port/ global stats)
raise NotImplementedError()
def update(self, snapshot):
# update
self.last_update_ts = datetime.datetime.now()
self.latest_stats = snapshot
if self.reference_stats == None:
self.reference_stats = self.latest_stats
def clear_stats(self):
self.reference_stats = self.latest_stats
def get(self, field, format=False, suffix=""):
if not field in self.latest_stats:
return "N/A"
if not format:
return self.latest_stats[field]
else:
return self.format_num(self.latest_stats[field], suffix)
def get_rel(self, field, format=False, suffix=""):
if not field in self.latest_stats:
return "N/A"
if not format:
return (self.latest_stats[field] - self.reference_stats[field])
else:
return self.format_num(self.latest_stats[field] - self.reference_stats[field], suffix)
class CGlobalStats(CTRexStats):
pass
def __init__(self, connection_info, server_version, ports_dict_ref):
super(CGlobalStats, self).__init__()
self.connection_info = connection_info
self.server_version = server_version
self._ports_dict = ports_dict_ref
def generate_stats(self):
return OrderedDict([("connection", "{host}, Port {port}".format(host=self.connection_info.get("server"),
port=self.connection_info.get("sync_port"))),
("version", "{ver}, UUID: {uuid}".format(ver=self.server_version.get("version", "N/A"),
uuid="N/A")),
("cpu_util", "{0}%".format(self.get("m_cpu_util"))),
("total_tx", self.get("m_tx_bps", format=True, suffix="b/sec")),
("total_rx", self.get("m_rx_bps", format=True, suffix="b/sec")),
("total_pps", self.format_num(self.get("m_tx_pps") + self.get("m_rx_pps"),
suffix="pkt/sec")),
("total_streams", sum([len(port_obj.streams)
for _, port_obj in self._ports_dict.iteritems()])),
("active_ports", sum([port_obj.is_active()
for _, port_obj in self._ports_dict.iteritems()]))
]
)
class CPortStats(CTRexStats):
pass
def __init__(self, port_obj):
super(CPortStats, self).__init__()
self._port_obj = port_obj
def generate_stats(self):
return {"owner": self._port_obj.user,
"state": self._port_obj.get_port_state_name(),
"--": "",
"opackets" : self.get_rel("opackets"),
"obytes" : self.get_rel("obytes"),
"ipackets" : self.get_rel("ipackets"),
"ibytes" : self.get_rel("ibytes"),
"ierrors" : self.get_rel("ierrors"),
"oerrors" : self.get_rel("oerrors"),
"tx-bytes": self.get_rel("obytes", format = True, suffix = "B"),
"rx-bytes": self.get_rel("ibytes", format = True, suffix = "B"),
"tx-pkts": self.get_rel("opackets", format = True, suffix = "pkts"),
"rx-pkts": self.get_rel("ipackets", format = True, suffix = "pkts"),
"---": "",
"Tx bps": self.get("m_total_tx_bps", format = True, suffix = "bps"),
"Rx bps": self.get("m_total_rx_bps", format = True, suffix = "bps"),
"----": "",
"Tx pps": self.get("m_total_tx_pps", format = True, suffix = "pps"),
"Rx pps": self.get("m_total_rx_pps", format = True, suffix = "pps"),
}
if __name__ == "__main__":
pass
|
