vpp-api-test/scripts/vppctl

   1 #!/usr/bin/python
   2 '''
   3 Copyright 2016 Intel Corporation
   4
   5 Licensed under the Apache License, Version 2.0 (the "License");
   6 you may not use this file except in compliance with the License.
   7 You may obtain a copy of the License at
   8
   9     http://www.apache.org/licenses/LICENSE-2.0
  10
  11 Unless required by applicable law or agreed to in writing, software
  12 distributed under the License is distributed on an "AS IS" BASIS,
  13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 See the License for the specific language governing permissions and
  15 limitations under the License.
  16 '''
  17
  18 from cmd import Cmd
  19 import os
  20 import subprocess
  21 import re
  22 import sys
  23 try:
  24         import readline
  25 except ImportError:
  26         readline = None
  27
  28 persishist = os.path.expanduser('~/.vpphistory')
  29 persishist_size = 1000
  30 if not persishist:
  31         os.mknod(persishist, stat.S_IFREG)
  32
  33 class Vppctl(Cmd):
  34
  35         def historyWrite(self):
  36                 if readline:
  37                         readline.set_history_length(persishist_size)
  38                         readline.write_history_file(persishist)
  39
  40         def runVat(self, line):
  41                 input_prefix = "exec "
  42                 input_command = input_prefix + line
  43                 line_remove = '^load_one_plugin:'
  44                 s = '\n'
  45
  46                 vpp_process = subprocess.Popen(['sudo', 'vpp_api_test'],
  47                         stderr=subprocess.PIPE,
  48                         stdin=subprocess.PIPE,
  49                         stdout=subprocess.PIPE)
  50                 stdout_value = vpp_process.communicate(input_command)[0]
  51
  52                 buffer_stdout = stdout_value.splitlines()
  53
  54                 buffer_stdout[:]  = [b for b in buffer_stdout
  55                         if line_remove not in b]
  56
  57                 for i, num in enumerate(buffer_stdout):
  58                         buffer_stdout[i] = num.replace('vat# ','')
  59
  60                 stdout_value = s.join(buffer_stdout)
  61                 print stdout_value
  62
  63         def do_help(self, line):
  64                 self.runVat("help")
  65
  66         def default(self, line):
  67                 self.runVat(line)
  68
  69         def do_exit(self, line):
  70                 self.historyWrite()
  71
  72                 raise SystemExit
  73
  74         def emptyline(self):
  75                 pass
  76
  77         def preloop(self):
  78                 if readline and os.path.exists(persishist):
  79                         readline.read_history_file(persishist)
  80
  81         def postcmd(self, stop, line):
  82                 self.historyWrite()
  83
  84 if __name__ == '__main__':
  85         command_args = sys.argv
  86
  87         if not len(command_args) > 1:
  88                 prompt = Vppctl()
  89                 prompt.prompt = 'vpp# '
  90                 prompt.cmdloop("Starting Vppctl...")
  91         else:
  92                 del command_args[0]
  93                 stdout_value = " ".join(command_args)
  94                 VatAddress = Vppctl()
  95                 VatAddress.runVat(stdout_value)
  96