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|
#!/router/bin/python
# for API usage the path name must be full
from trex_stl_lib.trex_stl_exceptions import *
from trex_stl_lib.trex_stl_streams import *
from trex_stl_jsonrpc_client import JsonRpcClient, BatchMessage
import trex_stl_stats
from trex_stl_port import Port
from trex_stl_types import *
from trex_stl_async_client import CTRexAsyncClient
from utils import parsing_opts, text_tables, common
from utils.text_opts import *
from collections import namedtuple
from yaml import YAMLError
import time
import datetime
import re
import random
import json
import traceback
############################ logger #############################
############################ #############################
############################ #############################
# logger API for the client
class LoggerApi(object):
# verbose levels
VERBOSE_QUIET = 0
VERBOSE_REGULAR = 1
VERBOSE_HIGH = 2
def __init__(self):
self.level = LoggerApi.VERBOSE_REGULAR
# implemented by specific logger
def write(self, msg, newline = True):
raise Exception("implement this")
# implemented by specific logger
def flush(self):
raise Exception("implement this")
def set_verbose (self, level):
if not level in xrange(self.VERBOSE_QUIET, self.VERBOSE_HIGH + 1):
raise ValueError("bad value provided for logger")
self.level = level
def get_verbose (self):
return self.level
def check_verbose (self, level):
return (self.level >= level)
# simple log message with verbose
def log (self, msg, level = VERBOSE_REGULAR, newline = True):
if not self.check_verbose(level):
return
self.write(msg, newline)
# logging that comes from async event
def async_log (self, msg, level = VERBOSE_REGULAR, newline = True):
self.log(msg, level, newline)
def pre_cmd (self, desc):
self.log(format_text('\n{:<60}'.format(desc), 'bold'), newline = False)
self.flush()
def post_cmd (self, rc):
if rc:
self.log(format_text("[SUCCESS]\n", 'green', 'bold'))
else:
self.log(format_text("[FAILED]\n", 'red', 'bold'))
def log_cmd (self, desc):
self.pre_cmd(desc)
self.post_cmd(True)
# supress object getter
def supress (self):
class Supress(object):
def __init__ (self, logger):
self.logger = logger
def __enter__ (self):
self.saved_level = self.logger.get_verbose()
self.logger.set_verbose(LoggerApi.VERBOSE_QUIET)
def __exit__ (self, type, value, traceback):
self.logger.set_verbose(self.saved_level)
return Supress(self)
# default logger - to stdout
class DefaultLogger(LoggerApi):
def __init__ (self):
super(DefaultLogger, self).__init__()
def write (self, msg, newline = True):
if newline:
print msg
else:
print msg,
def flush (self):
sys.stdout.flush()
############################ async event hander #############################
############################ #############################
############################ #############################
# handles different async events given to the client
class AsyncEventHandler(object):
def __init__ (self, client):
self.client = client
self.logger = self.client.logger
self.events = []
# public functions
def get_events (self):
return self.events
def clear_events (self):
self.events = []
def on_async_dead (self):
if self.client.connected:
msg = 'lost connection to server'
self.__add_event_log(msg, 'local', True)
self.client.connected = False
def on_async_alive (self):
pass
# handles an async stats update from the subscriber
def handle_async_stats_update(self, dump_data):
global_stats = {}
port_stats = {}
# filter the values per port and general
for key, value in dump_data.iteritems():
# match a pattern of ports
m = re.search('(.*)\-([0-8])', key)
if m:
port_id = int(m.group(2))
field_name = m.group(1)
if self.client.ports.has_key(port_id):
if not port_id in port_stats:
port_stats[port_id] = {}
port_stats[port_id][field_name] = value
else:
continue
else:
# no port match - general stats
global_stats[key] = value
# update the general object with the snapshot
self.client.global_stats.update(global_stats)
# update all ports
for port_id, data in port_stats.iteritems():
self.client.ports[port_id].port_stats.update(data)
# dispatcher for server async events (port started, port stopped and etc.)
def handle_async_event (self, type, data):
# DP stopped
show_event = False
# port started
if (type == 0):
port_id = int(data['port_id'])
ev = "Port {0} has started".format(port_id)
self.__async_event_port_started(port_id)
# port stopped
elif (type == 1):
port_id = int(data['port_id'])
ev = "Port {0} has stopped".format(port_id)
# call the handler
self.__async_event_port_stopped(port_id)
# port paused
elif (type == 2):
port_id = int(data['port_id'])
ev = "Port {0} has paused".format(port_id)
# call the handler
self.__async_event_port_paused(port_id)
# port resumed
elif (type == 3):
port_id = int(data['port_id'])
ev = "Port {0} has resumed".format(port_id)
# call the handler
self.__async_event_port_resumed(port_id)
# port finished traffic
elif (type == 4):
port_id = int(data['port_id'])
ev = "Port {0} job done".format(port_id)
# call the handler
self.__async_event_port_stopped(port_id)
show_event = True
# port was stolen...
elif (type == 5):
session_id = data['session_id']
# false alarm, its us
if session_id == self.client.session_id:
return
port_id = int(data['port_id'])
who = data['who']
ev = "Port {0} was forcely taken by '{1}'".format(port_id, who)
# call the handler
self.__async_event_port_forced_acquired(port_id)
show_event = True
# server stopped
elif (type == 100):
ev = "Server has stopped"
self.__async_event_server_stopped()
show_event = True
else:
# unknown event - ignore
return
self.__add_event_log(ev, 'server', show_event)
# private functions
def __async_event_port_stopped (self, port_id):
self.client.ports[port_id].async_event_port_stopped()
def __async_event_port_started (self, port_id):
self.client.ports[port_id].async_event_port_started()
def __async_event_port_paused (self, port_id):
self.client.ports[port_id].async_event_port_paused()
def __async_event_port_resumed (self, port_id):
self.client.ports[port_id].async_event_port_resumed()
def __async_event_port_forced_acquired (self, port_id):
self.client.ports[port_id].async_event_forced_acquired()
def __async_event_server_stopped (self):
self.client.connected = False
# add event to log
def __add_event_log (self, msg, ev_type, show = False):
if ev_type == "server":
prefix = "[server]"
elif ev_type == "local":
prefix = "[local]"
ts = time.time()
st = datetime.datetime.fromtimestamp(ts).strftime('%Y-%m-%d %H:%M:%S')
self.events.append("{:<10} - {:^8} - {:}".format(st, prefix, format_text(msg, 'bold')))
if show:
self.logger.async_log(format_text("\n\n{:^8} - {:}".format(prefix, format_text(msg, 'bold'))))
############################ RPC layer #############################
############################ #############################
############################ #############################
class CCommLink(object):
"""describes the connectivity of the stateless client method"""
def __init__(self, server="localhost", port=5050, virtual=False, prn_func = None):
self.virtual = virtual
self.server = server
self.port = port
self.rpc_link = JsonRpcClient(self.server, self.port, prn_func)
@property
def is_connected(self):
if not self.virtual:
return self.rpc_link.connected
else:
return True
def get_server (self):
return self.server
def get_port (self):
return self.port
def connect(self):
if not self.virtual:
return self.rpc_link.connect()
def disconnect(self):
if not self.virtual:
return self.rpc_link.disconnect()
def transmit(self, method_name, params={}):
if self.virtual:
self._prompt_virtual_tx_msg()
_, msg = self.rpc_link.create_jsonrpc_v2(method_name, params)
print msg
return
else:
return self.rpc_link.invoke_rpc_method(method_name, params)
def transmit_batch(self, batch_list):
if self.virtual:
self._prompt_virtual_tx_msg()
print [msg
for _, msg in [self.rpc_link.create_jsonrpc_v2(command.method, command.params)
for command in batch_list]]
else:
batch = self.rpc_link.create_batch()
for command in batch_list:
batch.add(command.method, command.params)
# invoke the batch
return batch.invoke()
def _prompt_virtual_tx_msg(self):
print "Transmitting virtually over tcp://{server}:{port}".format(server=self.server,
port=self.port)
############################ client #############################
############################ #############################
############################ #############################
class STLClient(object):
"""docstring for STLClient"""
def __init__(self,
username = common.get_current_user(),
server = "localhost",
sync_port = 4501,
async_port = 4500,
verbose_level = LoggerApi.VERBOSE_QUIET,
logger = None,
virtual = False):
self.username = username
# init objects
self.ports = {}
self.server_version = {}
self.system_info = {}
self.session_id = random.getrandbits(32)
self.connected = False
# logger
self.logger = DefaultLogger() if not logger else logger
# initial verbose
self.logger.set_verbose(verbose_level)
# low level RPC layer
self.comm_link = CCommLink(server,
sync_port,
virtual,
self.logger)
# async event handler manager
self.event_handler = AsyncEventHandler(self)
# async subscriber level
self.async_client = CTRexAsyncClient(server,
async_port,
self)
# stats
self.connection_info = {"username": username,
"server": server,
"sync_port": sync_port,
"async_port": async_port,
"virtual": virtual}
self.global_stats = trex_stl_stats.CGlobalStats(self.connection_info,
self.server_version,
self.ports)
self.stats_generator = trex_stl_stats.CTRexInfoGenerator(self.global_stats,
self.ports)
############# private functions - used by the class itself ###########
# some preprocessing for port argument
def __ports (self, port_id_list):
# none means all
if port_id_list == None:
return range(0, self.get_port_count())
# always list
if isinstance(port_id_list, int):
port_id_list = [port_id_list]
if not isinstance(port_id_list, list):
raise ValueError("bad port id list: {0}".format(port_id_list))
for port_id in port_id_list:
if not isinstance(port_id, int) or (port_id < 0) or (port_id > self.get_port_count()):
raise ValueError("bad port id {0}".format(port_id))
return port_id_list
# sync ports
def __sync_ports (self, port_id_list = None, force = False):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].sync())
return rc
# acquire ports, if port_list is none - get all
def __acquire (self, port_id_list = None, force = False):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].acquire(force))
return rc
# release ports
def __release (self, port_id_list = None):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].release())
return rc
def __add_streams(self, stream_list, port_id_list = None):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].add_streams(stream_list))
return rc
def __remove_streams(self, stream_id_list, port_id_list = None):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].remove_streams(stream_id_list))
return rc
def __remove_all_streams(self, port_id_list = None):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].remove_all_streams())
return rc
def __get_stream(self, stream_id, port_id, get_pkt = False):
return self.ports[port_id].get_stream(stream_id)
def __get_all_streams(self, port_id, get_pkt = False):
return self.ports[port_id].get_all_streams()
def __get_stream_id_list(self, port_id):
return self.ports[port_id].get_stream_id_list()
def __start (self, multiplier, duration, port_id_list = None, force = False):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].start(multiplier, duration, force))
return rc
def __resume (self, port_id_list = None, force = False):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].resume())
return rc
def __pause (self, port_id_list = None, force = False):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].pause())
return rc
def __stop (self, port_id_list = None, force = False):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].stop(force))
return rc
def __update (self, mult, port_id_list = None, force = False):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].update(mult, force))
return rc
def __validate (self, port_id_list = None):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].validate())
return rc
def __set_port_attr (self, port_id_list = None, attr_dict = None):
port_id_list = self.__ports(port_id_list)
rc = RC()
for port_id in port_id_list:
rc.add(self.ports[port_id].set_attr(attr_dict))
return rc
# connect to server
def __connect(self):
# first disconnect if already connected
if self.is_connected():
self.__disconnect()
# clear this flag
self.connected = False
# connect sync channel
self.logger.pre_cmd("Connecting to RPC server on {0}:{1}".format(self.connection_info['server'], self.connection_info['sync_port']))
rc = self.comm_link.connect()
self.logger.post_cmd(rc)
if not rc:
return rc
# version
rc = self._transmit("get_version")
if not rc:
return rc
self.server_version = rc.data()
self.global_stats.server_version = rc.data()
# cache system info
rc = self._transmit("get_system_info")
if not rc:
return rc
self.system_info = rc.data()
# cache supported commands
rc = self._transmit("get_supported_cmds")
if not rc:
return rc
self.supported_cmds = rc.data()
# create ports
for port_id in xrange(self.system_info["port_count"]):
info = self.system_info['ports'][port_id]
self.ports[port_id] = Port(port_id,
self.username,
self.comm_link,
self.session_id,
info)
# sync the ports
rc = self.__sync_ports()
if not rc:
return rc
# connect async channel
self.logger.pre_cmd("connecting to publisher server on {0}:{1}".format(self.connection_info['server'], self.connection_info['async_port']))
rc = self.async_client.connect()
self.logger.post_cmd(rc)
if not rc:
return rc
self.connected = True
return RC_OK()
# disconenct from server
def __disconnect(self, release_ports = True):
# release any previous acquired ports
if self.is_connected() and release_ports:
self.__release(self.get_acquired_ports())
self.comm_link.disconnect()
self.async_client.disconnect()
self.connected = False
return RC_OK()
# clear stats
def __clear_stats(self, port_id_list, clear_global):
for port_id in port_id_list:
self.ports[port_id].clear_stats()
if clear_global:
self.global_stats.clear_stats()
self.logger.log_cmd("clearing stats on port(s) {0}:".format(port_id_list))
return RC
# get stats
def __get_stats (self, port_id_list):
stats = {}
stats['global'] = self.global_stats.get_stats()
total = {}
for port_id in port_id_list:
port_stats = self.ports[port_id].get_stats()
stats[port_id] = port_stats
for k, v in port_stats.iteritems():
if not k in total:
total[k] = v
else:
total[k] += v
stats['total'] = total
return stats
############ functions used by other classes but not users ##############
def _validate_port_list (self, port_id_list):
# listfiy single int
if isinstance(port_id_list, int):
port_id_list = [port_id_list]
# should be a list
if not isinstance(port_id_list, list):
raise STLTypeError('port_id_list', type(port_id_list), list)
if not port_id_list:
raise STLError('No ports provided')
valid_ports = self.get_all_ports()
for port_id in port_id_list:
if not port_id in valid_ports:
raise STLError("Port ID '{0}' is not a valid port ID - valid values: {1}".format(port_id, valid_ports))
return port_id_list
# transmit request on the RPC link
def _transmit(self, method_name, params={}):
return self.comm_link.transmit(method_name, params)
# transmit batch request on the RPC link
def _transmit_batch(self, batch_list):
return self.comm_link.transmit_batch(batch_list)
# stats
def _get_formatted_stats(self, port_id_list, stats_mask = trex_stl_stats.COMPACT):
stats_opts = trex_stl_stats.ALL_STATS_OPTS.intersection(stats_mask)
stats_obj = {}
for stats_type in stats_opts:
stats_obj.update(self.stats_generator.generate_single_statistic(port_id_list, stats_type))
return stats_obj
def _get_streams(self, port_id_list, streams_mask=set()):
streams_obj = self.stats_generator.generate_streams_info(port_id_list, streams_mask)
return streams_obj
def _invalidate_stats (self, port_id_list):
for port_id in port_id_list:
self.ports[port_id].invalidate_stats()
self.global_stats.invalidate()
return RC_OK()
#################################
# ------ private methods ------ #
@staticmethod
def __get_mask_keys(ok_values={True}, **kwargs):
masked_keys = set()
for key, val in kwargs.iteritems():
if val in ok_values:
masked_keys.add(key)
return masked_keys
@staticmethod
def __filter_namespace_args(namespace, ok_values):
return {k: v for k, v in namespace.__dict__.items() if k in ok_values}
# API decorator - double wrap because of argument
def __api_check(connected = True):
def wrap (f):
def wrap2(*args, **kwargs):
client = args[0]
func_name = f.__name__
# check connection
if connected and not client.is_connected():
raise STLStateError(func_name, 'disconnected')
ret = f(*args, **kwargs)
return ret
return wrap2
return wrap
############################ API #############################
############################ #############################
############################ #############################
def __enter__ (self):
self.connect()
self.acquire(force = True)
self.reset()
return self
def __exit__ (self, type, value, traceback):
if self.get_active_ports():
self.stop(self.get_active_ports())
self.disconnect()
############################ Getters #############################
############################ #############################
############################ #############################
# return verbose level of the logger
def get_verbose (self):
return self.logger.get_verbose()
# is the client on read only mode ?
def is_all_ports_acquired (self):
return not (self.get_all_ports() == self.get_acquired_ports())
# is the client connected ?
def is_connected (self):
return self.connected and self.comm_link.is_connected
# get connection info
def get_connection_info (self):
return self.connection_info
# get supported commands by the server
def get_server_supported_cmds(self):
return self.supported_cmds
# get server version
def get_server_version(self):
return self.server_version
# get server system info
def get_server_system_info(self):
return self.system_info
# get port count
def get_port_count(self):
return len(self.ports)
# returns the port object
def get_port (self, port_id):
port = self.ports.get(port_id, None)
if (port != None):
return port
else:
raise STLArgumentError('port id', port_id, valid_values = self.get_all_ports())
# get all ports as IDs
def get_all_ports (self):
return self.ports.keys()
# get all acquired ports
def get_acquired_ports(self):
return [port_id
for port_id, port_obj in self.ports.iteritems()
if port_obj.is_acquired()]
# get all active ports (TX or pause)
def get_active_ports(self):
return [port_id
for port_id, port_obj in self.ports.iteritems()
if port_obj.is_active()]
# get paused ports
def get_paused_ports (self):
return [port_id
for port_id, port_obj in self.ports.iteritems()
if port_obj.is_paused()]
# get all TX ports
def get_transmitting_ports (self):
return [port_id
for port_id, port_obj in self.ports.iteritems()
if port_obj.is_transmitting()]
# get stats
def get_stats (self, ports = None, async_barrier = True):
# by default use all acquired ports
ports = ports if ports is not None else self.get_acquired_ports()
ports = self._validate_port_list(ports)
# check async barrier
if not type(async_barrier) is bool:
raise STLArgumentError('async_barrier', async_barrier)
# if the user requested a barrier - use it
if async_barrier:
rc = self.async_client.barrier()
if not rc:
raise STLError(rc)
return self.__get_stats(ports)
# return all async events
def get_events (self):
return self.event_handler.get_events()
# get port(s) info as a list of dicts
@__api_check(True)
def get_port_info (self, ports = None):
ports = ports if ports is not None else self.get_all_ports()
ports = self._validate_port_list(ports)
return [self.ports[port_id].get_info() for port_id in ports]
############################ Commands #############################
############################ #############################
############################ #############################
"""
Sets verbose level
:parameters:
level : str
"high"
"low"
"normal"
:raises:
None
"""
def set_verbose (self, level):
modes = {'low' : LoggerApi.VERBOSE_QUIET, 'normal': LoggerApi.VERBOSE_REGULAR, 'high': LoggerApi.VERBOSE_HIGH}
if not level in modes.keys():
raise STLArgumentError('level', level)
self.logger.set_verbose(modes[level])
"""
Connects to the TRex server
:parameters:
None
:raises:
+ :exc:`STLError`
"""
@__api_check(False)
def connect (self):
rc = self.__connect()
if not rc:
raise STLError(rc)
"""
Disconnects from the server
:parameters:
stop_traffic : bool
tries to stop traffic before disconnecting
release_ports : bool
tries to release all the acquired ports
"""
@__api_check(False)
def disconnect (self, stop_traffic = True, release_ports = True):
# try to stop ports but do nothing if not possible
if stop_traffic:
try:
self.stop()
except STLError:
pass
self.logger.pre_cmd("Disconnecting from server at '{0}':'{1}'".format(self.connection_info['server'],
self.connection_info['sync_port']))
rc = self.__disconnect(release_ports)
self.logger.post_cmd(rc)
"""
Acquires ports for executing commands
:parameters:
ports : list
ports to execute the command
force : bool
force acquire the ports
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def acquire (self, ports = None, force = False):
# by default use all ports
ports = ports if ports is not None else self.get_all_ports()
ports = self._validate_port_list(ports)
if force:
self.logger.pre_cmd("Force acquiring ports {0}:".format(ports))
else:
self.logger.pre_cmd("Acquiring ports {0}:".format(ports))
rc = self.__acquire(ports, force)
self.logger.post_cmd(rc)
if not rc:
# cleanup
self.__release(ports)
raise STLError(rc)
"""
Release ports
:parameters:
ports : list
ports to execute the command
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def release (self, ports = None):
ports = ports if ports is not None else self.get_acquired_ports()
ports = self._validate_port_list(ports)
self.logger.pre_cmd("Releasing ports {0}:".format(ports))
rc = self.__release(ports)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
Pings the server
:parameters:
None
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def ping(self):
self.logger.pre_cmd( "Pinging the server on '{0}' port '{1}': ".format(self.connection_info['server'],
self.connection_info['sync_port']))
rc = self._transmit("ping")
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
force acquire ports, stop the traffic, remove all streams and clear stats
:parameters:
ports : list
ports to execute the command
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def reset(self, ports = None):
ports = ports if ports is not None else self.get_all_ports()
ports = self._validate_port_list(ports)
self.acquire(ports, force = True)
self.stop(ports)
self.remove_all_streams(ports)
self.clear_stats(ports)
"""
remove all streams from port(s)
:parameters:
ports : list
ports to execute the command
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def remove_all_streams (self, ports = None):
ports = ports if ports is not None else self.get_acquired_ports()
ports = self._validate_port_list(ports)
self.logger.pre_cmd("Removing all streams from port(s) {0}:".format(ports))
rc = self.__remove_all_streams(ports)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
add a list of streams to port(s)
:parameters:
ports : list
ports to execute the command
streams: list
streams to attach
:returns:
list of stream IDs in order of the stream list
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def add_streams (self, streams, ports = None):
ports = ports if ports is not None else self.get_acquired_ports()
ports = self._validate_port_list(ports)
# transform single stream
if not isinstance(streams, list):
streams = [streams]
# check streams
if not all([isinstance(stream, STLStream) for stream in streams]):
raise STLArgumentError('streams', streams)
self.logger.pre_cmd("Attaching {0} streams to port(s) {1}:".format(len(streams), ports))
rc = self.__add_streams(streams, ports)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
return [stream.get_id() for stream in streams]
"""
remove a list of streams from ports
:parameters:
ports : list
ports to execute the command
stream_id_list: list
stream id list to remove
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def remove_streams (self, stream_id_list, ports = None):
ports = ports if ports is not None else self.get_acquired_ports()
ports = self._validate_port_list(ports)
# transform single stream
if not isinstance(stream_id_list, list):
stream_id_list = [stream_id_list]
# check streams
if not all([isinstance(stream_id, long) for stream_id in stream_id_list]):
raise STLArgumentError('stream_id_list', stream_id_list)
# remove streams
self.logger.pre_cmd("Removing {0} streams from port(s) {1}:".format(len(stream_id_list), ports))
rc = self.__remove_streams(stream_id_list, ports)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
start traffic on port(s)
:parameters:
ports : list
ports to execute command
mult : str
multiplier in a form of pps, bps, or line util in %
examples: "5kpps", "10gbps", "85%", "32mbps"
force : bool
imply stopping the port of active and also
forces a profile that exceeds the L1 BW
duration : int
limit the run for time in seconds
-1 means unlimited
total : bool
should the B/W be divided by the ports
or duplicated for each
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def start (self,
ports = None,
mult = "1",
force = False,
duration = -1,
total = False):
ports = ports if ports is not None else self.get_acquired_ports()
ports = self._validate_port_list(ports)
# verify multiplier
mult_obj = parsing_opts.decode_multiplier(mult,
allow_update = False,
divide_count = len(ports) if total else 1)
if not mult_obj:
raise STLArgumentError('mult', mult)
# some type checkings
if not type(force) is bool:
raise STLArgumentError('force', force)
if not isinstance(duration, (int, float)):
raise STLArgumentError('duration', duration)
if not type(total) is bool:
raise STLArgumentError('total', total)
# verify ports are stopped or force stop them
active_ports = list(set(self.get_active_ports()).intersection(ports))
if active_ports:
if not force:
raise STLError("Port(s) {0} are active - please stop them or specify 'force'".format(active_ports))
else:
rc = self.stop(active_ports)
if not rc:
raise STLError(rc)
# start traffic
self.logger.pre_cmd("Starting traffic on port(s) {0}:".format(ports))
rc = self.__start(mult_obj, duration, ports, force)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
stop port(s)
:parameters:
ports : list
ports to execute the command
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def stop (self, ports = None):
ports = ports if ports is not None else self.get_active_ports()
ports = self._validate_port_list(ports)
if not ports:
return
self.logger.pre_cmd("Stopping traffic on port(s) {0}:".format(ports))
rc = self.__stop(ports)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
update traffic on port(s)
:parameters:
ports : list
ports to execute command
mult : str
multiplier in a form of pps, bps, or line util in %
and also with +/-
examples: "5kpps+", "10gbps-", "85%", "32mbps", "20%+"
force : bool
forces a profile that exceeds the L1 BW
total : bool
should the B/W be divided by the ports
or duplicated for each
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def update (self, ports = None, mult = "1", total = False, force = False):
ports = ports if ports is not None else self.get_active_ports()
ports = self._validate_port_list(ports)
# verify multiplier
mult_obj = parsing_opts.decode_multiplier(mult,
allow_update = True,
divide_count = len(ports) if total else 1)
if not mult_obj:
raise STLArgumentError('mult', mult)
# verify total
if not type(total) is bool:
raise STLArgumentError('total', total)
# call low level functions
self.logger.pre_cmd("Updating traffic on port(s) {0}:".format(ports))
rc = self.__update(mult_obj, ports, force)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
pause traffic on port(s)
:parameters:
ports : list
ports to execute command
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def pause (self, ports = None):
ports = ports if ports is not None else self.get_transmitting_ports()
ports = self._validate_port_list(ports)
self.logger.pre_cmd("Pausing traffic on port(s) {0}:".format(ports))
rc = self.__pause(ports)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
resume traffic on port(s)
:parameters:
ports : list
ports to execute command
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def resume (self, ports = None):
ports = ports if ports is not None else self.get_paused_ports()
ports = self._validate_port_list(ports)
self.logger.pre_cmd("Resume traffic on port(s) {0}:".format(ports))
rc = self.__resume(ports)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
validate port(s) configuration
:parameters:
ports : list
ports to execute command
mult : str
multiplier in a form of pps, bps, or line util in %
examples: "5kpps", "10gbps", "85%", "32mbps"
duration : int
limit the run for time in seconds
-1 means unlimited
total : bool
should the B/W be divided by the ports
or duplicated for each
:raises:
+ :exc:`STLError`
"""
@__api_check(True)
def validate (self, ports = None, mult = "1", duration = "-1", total = False):
ports = ports if ports is not None else self.get_acquired_ports()
ports = self._validate_port_list(ports)
# verify multiplier
mult_obj = parsing_opts.decode_multiplier(mult,
allow_update = True,
divide_count = len(ports) if total else 1)
if not mult_obj:
raise STLArgumentError('mult', mult)
if not isinstance(duration, (int, float)):
raise STLArgumentError('duration', duration)
self.logger.pre_cmd("Validating streams on port(s) {0}:".format(ports))
rc = self.__validate(ports)
self.logger.post_cmd(rc)
for port in ports:
self.ports[port].print_profile(mult_obj, duration)
"""
clear stats on port(s)
:parameters:
ports : list
ports to execute command
clear_global : bool
clear the global stats
:raises:
+ :exc:`STLError`
"""
@__api_check(False)
def clear_stats (self, ports = None, clear_global = True):
ports = ports if ports is not None else self.get_all_ports()
ports = self._validate_port_list(ports)
# verify clear global
if not type(clear_global) is bool:
raise STLArgumentError('clear_global', clear_global)
rc = self.__clear_stats(ports, clear_global)
if not rc:
raise STLError(rc)
"""
block until specify port(s) traffic has ended
:parameters:
ports : list
ports to execute command
timeout : int
timeout in seconds
:raises:
+ :exc:`STLTimeoutError` - in case timeout has expired
+ :exe:'STLError'
"""
@__api_check(True)
def wait_on_traffic (self, ports = None, timeout = 60):
ports = ports if ports is not None else self.get_acquired_ports()
ports = self._validate_port_list(ports)
expr = time.time() + timeout
# wait while any of the required ports are active
while set(self.get_active_ports()).intersection(ports):
time.sleep(0.01)
if time.time() > expr:
raise STLTimeoutError(timeout)
#
"""
set port(s) attributes
:parameters:
promiscuous - set this to True or False
:raises:
None
"""
@__api_check(True)
def set_port_attr (self, ports = None, promiscuous = None):
ports = ports if ports is not None else self.get_acquired_ports()
ports = self._validate_port_list(ports)
# check arguments
validate_type('promiscuous', promiscuous, (bool, NoneType))
# build attributes
attr_dict = {}
if promiscuous is not None:
attr_dict['promiscuous'] = {'enabled': bool(promiscuous)}
# no attributes to set
if not attr_dict:
return
self.logger.pre_cmd("Applying attributes on port(s) {0}:".format(ports))
rc = self.__set_port_attr(ports, attr_dict)
self.logger.post_cmd(rc)
if not rc:
raise STLError(rc)
"""
clear all events
:parameters:
None
:raises:
None
"""
def clear_events (self):
self.event_handler.clear_events()
############################ Line #############################
############################ Commands #############################
############################ #############################
# console decorator
def __console(f):
def wrap(*args):
client = args[0]
time1 = time.time()
try:
rc = f(*args)
except STLError as e:
client.logger.log("Log:\n" + format_text(e.brief() + "\n", 'bold'))
return
# if got true - print time
if rc:
delta = time.time() - time1
client.logger.log(format_time(delta) + "\n")
return wrap
@__console
def connect_line (self, line):
'''Connects to the TRex server'''
# define a parser
parser = parsing_opts.gen_parser(self,
"connect",
self.connect_line.__doc__,
parsing_opts.FORCE)
opts = parser.parse_args(line.split())
if opts is None:
return
# call the API
self.connect()
self.acquire(force = opts.force)
# true means print time
return True
@__console
def disconnect_line (self, line):
self.disconnect()
@__console
def reset_line (self, line):
self.reset()
# true means print time
return True
@__console
def start_line (self, line):
'''Start selected traffic in specified ports on TRex\n'''
# define a parser
parser = parsing_opts.gen_parser(self,
"start",
self.start_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL,
parsing_opts.TOTAL,
parsing_opts.FORCE,
parsing_opts.FILE_PATH,
parsing_opts.DURATION,
parsing_opts.MULTIPLIER_STRICT,
parsing_opts.DRY_RUN)
opts = parser.parse_args(line.split())
if opts is None:
return
active_ports = list(set(self.get_active_ports()).intersection(opts.ports))
if active_ports:
if not opts.force:
msg = "Port(s) {0} are active - please stop them or add '--force'\n".format(active_ports)
self.logger.log(format_text(msg, 'bold'))
return
else:
self.stop(active_ports)
# remove all streams
self.remove_all_streams(opts.ports)
# pack the profile
try:
profile = STLProfile.load(opts.file[0])
except STLError as e:
print format_text("\nError while loading profile '{0}'\n".format(opts.file[0]), 'bold')
print e.brief() + "\n"
return
self.add_streams(profile.get_streams(), ports = opts.ports)
if opts.dry:
self.validate(opts.ports, opts.mult, opts.duration, opts.total)
else:
self.start(opts.ports,
opts.mult,
opts.force,
opts.duration,
opts.total)
# true means print time
return True
@__console
def stop_line (self, line):
'''Stop active traffic in specified ports on TRex\n'''
parser = parsing_opts.gen_parser(self,
"stop",
self.stop_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL)
opts = parser.parse_args(line.split())
if opts is None:
return
# find the relevant ports
ports = list(set(self.get_active_ports()).intersection(opts.ports))
if not ports:
self.logger.log(format_text("No active traffic on provided ports\n", 'bold'))
return
self.stop(ports)
# true means print time
return True
@__console
def update_line (self, line):
'''Update port(s) speed currently active\n'''
parser = parsing_opts.gen_parser(self,
"update",
self.update_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL,
parsing_opts.MULTIPLIER,
parsing_opts.TOTAL,
parsing_opts.FORCE)
opts = parser.parse_args(line.split())
if opts is None:
return
# find the relevant ports
ports = list(set(self.get_active_ports()).intersection(opts.ports))
if not ports:
self.logger.log(format_text("No ports in valid state to update\n", 'bold'))
return
self.update(ports, opts.mult, opts.total, opts.force)
# true means print time
return True
@__console
def pause_line (self, line):
'''Pause active traffic in specified ports on TRex\n'''
parser = parsing_opts.gen_parser(self,
"pause",
self.pause_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL)
opts = parser.parse_args(line.split())
if opts is None:
return
# find the relevant ports
ports = list(set(self.get_transmitting_ports()).intersection(opts.ports))
if not ports:
self.logger.log(format_text("No ports in valid state to pause\n", 'bold'))
return
self.pause(ports)
# true means print time
return True
@__console
def resume_line (self, line):
'''Resume active traffic in specified ports on TRex\n'''
parser = parsing_opts.gen_parser(self,
"resume",
self.resume_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL)
opts = parser.parse_args(line.split())
if opts is None:
return
# find the relevant ports
ports = list(set(self.get_paused_ports()).intersection(opts.ports))
if not ports:
self.logger.log(format_text("No ports in valid state to resume\n", 'bold'))
return
return self.resume(ports)
# true means print time
return True
@__console
def clear_stats_line (self, line):
'''Clear cached local statistics\n'''
# define a parser
parser = parsing_opts.gen_parser(self,
"clear",
self.clear_stats_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL)
opts = parser.parse_args(line.split())
if opts is None:
return
self.clear_stats(opts.ports)
@__console
def show_stats_line (self, line):
'''Fetch statistics from TRex server by port\n'''
# define a parser
parser = parsing_opts.gen_parser(self,
"stats",
self.show_stats_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL,
parsing_opts.STATS_MASK)
opts = parser.parse_args(line.split())
if opts is None:
return
# determine stats mask
mask = self.__get_mask_keys(**self.__filter_namespace_args(opts, trex_stl_stats.ALL_STATS_OPTS))
if not mask:
# set to show all stats if no filter was given
mask = trex_stl_stats.ALL_STATS_OPTS
stats_opts = trex_stl_stats.ALL_STATS_OPTS.intersection(mask)
stats = self._get_formatted_stats(opts.ports, mask)
# print stats to screen
for stat_type, stat_data in stats.iteritems():
text_tables.print_table_with_header(stat_data.text_table, stat_type)
@__console
def show_streams_line(self, line):
'''Fetch streams statistics from TRex server by port\n'''
# define a parser
parser = parsing_opts.gen_parser(self,
"streams",
self.show_streams_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL,
parsing_opts.STREAMS_MASK)
opts = parser.parse_args(line.split())
if opts is None:
return
streams = self._get_streams(opts.ports, set(opts.streams))
if not streams:
self.logger.log(format_text("No streams found with desired filter.\n", "bold", "magenta"))
else:
# print stats to screen
for stream_hdr, port_streams_data in streams.iteritems():
text_tables.print_table_with_header(port_streams_data.text_table,
header= stream_hdr.split(":")[0] + ":",
untouched_header= stream_hdr.split(":")[1])
@__console
def validate_line (self, line):
'''validates port(s) stream configuration\n'''
parser = parsing_opts.gen_parser(self,
"validate",
self.validate_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL)
opts = parser.parse_args(line.split())
if opts is None:
return
self.validate(opts.ports)
@__console
def push_line (self, line):
'''Push a PCAP file '''
parser = parsing_opts.gen_parser(self,
"push",
self.push_line.__doc__,
parsing_opts.FILE_PATH,
parsing_opts.PORT_LIST_WITH_ALL,
parsing_opts.COUNT,
parsing_opts.DURATION,
parsing_opts.IPG,
parsing_opts.SPEEDUP,
parsing_opts.FORCE)
opts = parser.parse_args(line.split())
if opts is None:
return
active_ports = list(set(self.get_active_ports()).intersection(opts.ports))
if active_ports:
if not opts.force:
msg = "Port(s) {0} are active - please stop them or add '--force'\n".format(active_ports)
self.logger.log(format_text(msg, 'bold'))
return
else:
self.stop(active_ports)
try:
# pcap injection removes all previous streams from the ports
self.remove_all_streams(ports = opts.ports)
profile = STLProfile.load_pcap(opts.file[0],
opts.ipg_usec,
opts.speedup,
opts.count)
id_list = self.add_streams(profile.get_streams(), opts.ports)
self.start(ports = opts.ports, duration = opts.duration, force = opts.force)
except STLError as e:
print e.brief()
return
return True
@__console
def set_port_attr_line (self, line):
'''Sets port attributes '''
parser = parsing_opts.gen_parser(self,
"port",
self.set_port_attr_line.__doc__,
parsing_opts.PORT_LIST_WITH_ALL,
parsing_opts.PROMISCUOUS_SWITCH)
opts = parser.parse_args(line.split())
if opts is None:
return
try:
self.set_port_attr(opts.ports, opts.prom)
except STLError as e:
print e.brief()
return
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