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#!/router/bin/python
import trex_root_path
from client.trex_stateless_client import *
from common.trex_exceptions import *
import cmd
from termstyle import termstyle
# import termstyle
import os
from argparse import ArgumentParser
import socket
import errno
import ast
import json
class InteractiveStatelessTRex(cmd.Cmd):
intro = termstyle.green("\nInteractive shell to play with Cisco's TRex stateless API.\
\nType help to view available pre-defined scenarios\n(c) All rights reserved.\n")
prompt = '> '
def __init__(self, trex_host, trex_port, virtual, verbose):
cmd.Cmd.__init__(self)
self.verbose = verbose
self.virtual = virtual
self.trex = STLClient(trex_host, trex_port, self.virtual)
self.DEFAULT_RUN_PARAMS = dict(m=1.5,
nc=True,
p=True,
d=100,
f='avl/sfr_delay_10_1g.yaml',
l=1000)
self.run_params = dict(self.DEFAULT_RUN_PARAMS)
def do_transmit(self, line):
"""Transmits a request over using a given link to server.\
\nuse: transmit [method_name] [method_params]"""
if line == "":
print "\nUsage: [method name] [param dict as string]\n"
print "Example: rpc test_add {'x': 12, 'y': 17}\n"
return
args = line.split(' ', 1) # args will have max length of 2
method_name = args[0]
params = None
bad_parse = False
try:
params = ast.literal_eval(args[1])
if not isinstance(params, dict):
bad_parse = True
except ValueError as e1:
bad_parse = True
except SyntaxError as e2:
bad_parse = True
if bad_parse:
print "\nValue should be a valid dict: '{0}'".format(args[1])
print "\nUsage: [method name] [param dict as string]\n"
print "Example: rpc test_add {'x': 12, 'y': 17}\n"
return
response = self.trex.transmit(method_name, params)
if not self.virtual:
# expect response
rc, msg = response
if rc:
print "\nServer Response:\n\n" + json.dumps(msg) + "\n"
else:
print "\n*** " + msg + "\n"
def do_push_files(self, filepaths):
"""Pushes a custom file to be stored locally on TRex server.\
\nPush multiple files by specifying their path separated by ' ' (space)."""
try:
filepaths = filepaths.split(' ')
print termstyle.green("*** Starting pushing files ({trex_files}) to TRex. ***".format(
trex_files=', '.join(filepaths))
)
ret_val = self.trex.push_files(filepaths)
if ret_val:
print termstyle.green("*** End of TRex push_files method (success) ***")
else:
print termstyle.magenta("*** End of TRex push_files method (failed) ***")
except IOError as inst:
print termstyle.magenta(inst)
if __name__ == "__main__":
parser = ArgumentParser(description=termstyle.cyan('Run TRex client stateless API demos and scenarios.'),
usage="client_interactive_example [options]")
parser.add_argument('-v', '--version', action='version', version='%(prog)s 1.0 \t (C) Cisco Systems Inc.\n')
parser.add_argument("-t", "--trex-host", required = True, dest="trex_host",
action="store", help="Specify the hostname or ip to connect with TRex server.",
metavar="HOST" )
parser.add_argument("-p", "--trex-port", type=int, default = 5050, metavar="PORT", dest="trex_port",
help="Select port on which the TRex server listens. Default port is 5050.", action="store")
# parser.add_argument("-m", "--maxhist", type=int, default = 100, metavar="SIZE", dest="hist_size",
# help="Specify maximum history size saved at client side. Default size is 100.", action="store")
parser.add_argument("--virtual", dest="virtual",
action="store_true",
help="Switch ON virtual option at TRex client. Default is: OFF.",
default=False)
parser.add_argument("--verbose", dest="verbose",
action="store_true",
help="Switch ON verbose option at TRex client. Default is: OFF.",
default=False)
args = parser.parse_args()
try:
InteractiveStatelessTRex(**vars(args)).cmdloop()
except KeyboardInterrupt:
print termstyle.cyan('Bye Bye!')
exit(-1)
except socket.error, e:
if e.errno == errno.ECONNREFUSED:
raise socket.error(errno.ECONNREFUSED,
"Connection from TRex server was terminated. \
Please make sure the server is up.")
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