src/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                 command = ['vpp_api_test']
  46
  47                 if os.geteuid() != 0:
  48                     command = ['sudo', 'vpp_api_test']
  49
  50                 vpp_process = subprocess.Popen(command,
  51                         stderr=subprocess.PIPE,
  52                         stdin=subprocess.PIPE,
  53                         stdout=subprocess.PIPE)
  54                 stdout_value = vpp_process.communicate(input_command)[0]
  55
  56                 buffer_stdout = stdout_value.splitlines()
  57
  58                 buffer_stdout[:]  = [b for b in buffer_stdout
  59                         if line_remove not in b]
  60
  61                 for i, num in enumerate(buffer_stdout):
  62                         buffer_stdout[i] = num.replace('vat# ','')
  63
  64                 stdout_value = s.join(buffer_stdout)
  65                 print stdout_value
  66
  67         def do_help(self, line):
  68                 self.runVat("help")
  69
  70         def default(self, line):
  71                 self.runVat(line)
  72
  73         def do_exit(self, line):
  74                 self.historyWrite()
  75                 raise SystemExit
  76
  77         def emptyline(self):
  78                 pass
  79
  80         def do_EOF(self,line):
  81                 self.historyWrite()
  82                 sys.stdout.write('\n')
  83                 raise SystemExit
  84
  85         def preloop(self):
  86                 if readline and os.path.exists(persishist):
  87                         readline.read_history_file(persishist)
  88
  89         def postcmd(self, stop, line):
  90                 self.historyWrite()
  91
  92 if __name__ == '__main__':
  93         command_args = sys.argv
  94
  95
  96         if not len(command_args) > 1:
  97                 prompt = Vppctl()
  98                 red_set = '\033[31m'
  99                 norm_set = '\033[0m'
 100                 if sys.stdout.isatty():
 101                         prompt.prompt = 'vpp# '
 102                         try:
 103                                 prompt.cmdloop(red_set + "    _______    _       " + norm_set + " _   _____  ___ \n" +
 104                                         red_set + " __/ __/ _ \  (_)__   " + norm_set + " | | / / _ \/ _ \\\n" +
 105                                         red_set + " _/ _// // / / / _ \\" + norm_set + "   | |/ / ___/ ___/\n" +
 106                                         red_set + " /_/ /____(_)_/\___/   " + norm_set + "|___/_/  /_/   \n")
 107                         except KeyboardInterrupt:
 108                                 sys.stdout.write('\n')
 109                 else:
 110                         try:
 111                                 prompt.cmdloop()
 112                         except KeyboardInterrupt:
 113                                 sys.stdout.write('\n')
 114         else:
 115                 del command_args[0]
 116                 stdout_value = " ".join(command_args)
 117                 VatAddress = Vppctl()
 118                 VatAddress.runVat(stdout_value)
 119
 120
 121